u64 low;
};
-/*
- * Standard fixup and ex_table sections for crypt_s390 inline functions.
- * label 0: the s390 crypto operation
- * label 1: just after 1 to catch illegal operation exception
- * (unsupported model)
- * label 6: the return point after fixup
- * label 7: set error value if exception _in_ crypto operation
- * label 8: set error value if illegal operation exception
- * [ret] is the variable to receive the error code
- * [ERR] is the error code value
- */
-#ifndef CONFIG_64BIT
-#define __crypt_s390_fixup \
- ".section .fixup,\"ax\" \n" \
- "7: lhi %0,%h[e1] \n" \
- " bras 1,9f \n" \
- " .long 6b \n" \
- "8: lhi %0,%h[e2] \n" \
- " bras 1,9f \n" \
- " .long 6b \n" \
- "9: l 1,0(1) \n" \
- " br 1 \n" \
- ".previous \n" \
- ".section __ex_table,\"a\" \n" \
- " .align 4 \n" \
- " .long 0b,7b \n" \
- " .long 1b,8b \n" \
- ".previous"
-#else /* CONFIG_64BIT */
-#define __crypt_s390_fixup \
- ".section .fixup,\"ax\" \n" \
- "7: lhi %0,%h[e1] \n" \
- " jg 6b \n" \
- "8: lhi %0,%h[e2] \n" \
- " jg 6b \n" \
- ".previous\n" \
- ".section __ex_table,\"a\" \n" \
- " .align 8 \n" \
- " .quad 0b,7b \n" \
- " .quad 1b,8b \n" \
- ".previous"
-#endif /* CONFIG_64BIT */
-
-/*
- * Standard code for setting the result of s390 crypto instructions.
- * %0: the register which will receive the result
- * [result]: the register containing the result (e.g. second operand length
- * to compute number of processed bytes].
- */
-#ifndef CONFIG_64BIT
-#define __crypt_s390_set_result \
- " lr %0,%[result] \n"
-#else /* CONFIG_64BIT */
-#define __crypt_s390_set_result \
- " lgr %0,%[result] \n"
-#endif
-
/*
* Executes the KM (CIPHER MESSAGE) operation of the CPU.
* @param func: the function code passed to KM; see crypt_s390_km_func
{
register long __func asm("0") = func & CRYPT_S390_FUNC_MASK;
register void* __param asm("1") = param;
- register u8* __dest asm("4") = dest;
register const u8* __src asm("2") = src;
register long __src_len asm("3") = src_len;
+ register u8* __dest asm("4") = dest;
int ret;
- ret = 0;
- __asm__ __volatile__ (
- "0: .insn rre,0xB92E0000,%1,%2 \n" /* KM opcode */
+ asm volatile(
+ "0: .insn rre,0xb92e0000,%3,%1 \n" /* KM opcode */
"1: brc 1,0b \n" /* handle partial completion */
- __crypt_s390_set_result
- "6: \n"
- __crypt_s390_fixup
- : "+d" (ret), "+a" (__dest), "+a" (__src),
- [result] "+d" (__src_len)
- : [e1] "K" (-EFAULT), [e2] "K" (-ENOSYS), "d" (__func),
- "a" (__param)
- : "cc", "memory"
- );
- if (ret >= 0 && func & CRYPT_S390_FUNC_MASK){
- ret = src_len - ret;
- }
- return ret;
+ " ahi %0,%h7\n"
+ "2: ahi %0,%h8\n"
+ "3:\n"
+ EX_TABLE(0b,3b) EX_TABLE(1b,2b)
+ : "=d" (ret), "+a" (__src), "+d" (__src_len), "+a" (__dest)
+ : "d" (__func), "a" (__param), "0" (-EFAULT),
+ "K" (ENOSYS), "K" (-ENOSYS + EFAULT) : "cc", "memory");
+ if (ret < 0)
+ return ret;
+ return (func & CRYPT_S390_FUNC_MASK) ? src_len - __src_len : __src_len;
}
/*
{
register long __func asm("0") = func & CRYPT_S390_FUNC_MASK;
register void* __param asm("1") = param;
- register u8* __dest asm("4") = dest;
register const u8* __src asm("2") = src;
register long __src_len asm("3") = src_len;
+ register u8* __dest asm("4") = dest;
int ret;
- ret = 0;
- __asm__ __volatile__ (
- "0: .insn rre,0xB92F0000,%1,%2 \n" /* KMC opcode */
+ asm volatile(
+ "0: .insn rre,0xb92f0000,%3,%1 \n" /* KMC opcode */
"1: brc 1,0b \n" /* handle partial completion */
- __crypt_s390_set_result
- "6: \n"
- __crypt_s390_fixup
- : "+d" (ret), "+a" (__dest), "+a" (__src),
- [result] "+d" (__src_len)
- : [e1] "K" (-EFAULT), [e2] "K" (-ENOSYS), "d" (__func),
- "a" (__param)
- : "cc", "memory"
- );
- if (ret >= 0 && func & CRYPT_S390_FUNC_MASK){
- ret = src_len - ret;
- }
- return ret;
+ " ahi %0,%h7\n"
+ "2: ahi %0,%h8\n"
+ "3:\n"
+ EX_TABLE(0b,3b) EX_TABLE(1b,2b)
+ : "=d" (ret), "+a" (__src), "+d" (__src_len), "+a" (__dest)
+ : "d" (__func), "a" (__param), "0" (-EFAULT),
+ "K" (ENOSYS), "K" (-ENOSYS + EFAULT) : "cc", "memory");
+ if (ret < 0)
+ return ret;
+ return (func & CRYPT_S390_FUNC_MASK) ? src_len - __src_len : __src_len;
}
/*
register long __src_len asm("3") = src_len;
int ret;
- ret = 0;
- __asm__ __volatile__ (
- "0: .insn rre,0xB93E0000,%1,%1 \n" /* KIMD opcode */
- "1: brc 1,0b \n" /* handle partical completion */
- __crypt_s390_set_result
- "6: \n"
- __crypt_s390_fixup
- : "+d" (ret), "+a" (__src), [result] "+d" (__src_len)
- : [e1] "K" (-EFAULT), [e2] "K" (-ENOSYS), "d" (__func),
- "a" (__param)
- : "cc", "memory"
- );
- if (ret >= 0 && (func & CRYPT_S390_FUNC_MASK)){
- ret = src_len - ret;
- }
- return ret;
+ asm volatile(
+ "0: .insn rre,0xb93e0000,%1,%1 \n" /* KIMD opcode */
+ "1: brc 1,0b \n" /* handle partial completion */
+ " ahi %0,%h6\n"
+ "2: ahi %0,%h7\n"
+ "3:\n"
+ EX_TABLE(0b,3b) EX_TABLE(1b,2b)
+ : "=d" (ret), "+a" (__src), "+d" (__src_len)
+ : "d" (__func), "a" (__param), "0" (-EFAULT),
+ "K" (ENOSYS), "K" (-ENOSYS + EFAULT) : "cc", "memory");
+ if (ret < 0)
+ return ret;
+ return (func & CRYPT_S390_FUNC_MASK) ? src_len - __src_len : __src_len;
}
/*
register long __src_len asm("3") = src_len;
int ret;
- ret = 0;
- __asm__ __volatile__ (
- "0: .insn rre,0xB93F0000,%1,%1 \n" /* KLMD opcode */
- "1: brc 1,0b \n" /* handle partical completion */
- __crypt_s390_set_result
- "6: \n"
- __crypt_s390_fixup
- : "+d" (ret), "+a" (__src), [result] "+d" (__src_len)
- : [e1] "K" (-EFAULT), [e2] "K" (-ENOSYS), "d" (__func),
- "a" (__param)
- : "cc", "memory"
- );
- if (ret >= 0 && func & CRYPT_S390_FUNC_MASK){
- ret = src_len - ret;
- }
- return ret;
+ asm volatile(
+ "0: .insn rre,0xb93f0000,%1,%1 \n" /* KLMD opcode */
+ "1: brc 1,0b \n" /* handle partial completion */
+ " ahi %0,%h6\n"
+ "2: ahi %0,%h7\n"
+ "3:\n"
+ EX_TABLE(0b,3b) EX_TABLE(1b,2b)
+ : "=d" (ret), "+a" (__src), "+d" (__src_len)
+ : "d" (__func), "a" (__param), "0" (-EFAULT),
+ "K" (ENOSYS), "K" (-ENOSYS + EFAULT) : "cc", "memory");
+ if (ret < 0)
+ return ret;
+ return (func & CRYPT_S390_FUNC_MASK) ? src_len - __src_len : __src_len;
}
/*
register long __src_len asm("3") = src_len;
int ret;
- ret = 0;
- __asm__ __volatile__ (
- "0: .insn rre,0xB91E0000,%5,%5 \n" /* KMAC opcode */
- "1: brc 1,0b \n" /* handle partical completion */
- __crypt_s390_set_result
- "6: \n"
- __crypt_s390_fixup
- : "+d" (ret), "+a" (__src), [result] "+d" (__src_len)
- : [e1] "K" (-EFAULT), [e2] "K" (-ENOSYS), "d" (__func),
- "a" (__param)
- : "cc", "memory"
- );
- if (ret >= 0 && func & CRYPT_S390_FUNC_MASK){
- ret = src_len - ret;
- }
- return ret;
+ asm volatile(
+ "0: .insn rre,0xb91e0000,%1,%1 \n" /* KLAC opcode */
+ "1: brc 1,0b \n" /* handle partial completion */
+ " ahi %0,%h6\n"
+ "2: ahi %0,%h7\n"
+ "3:\n"
+ EX_TABLE(0b,3b) EX_TABLE(1b,2b)
+ : "=d" (ret), "+a" (__src), "+d" (__src_len)
+ : "d" (__func), "a" (__param), "0" (-EFAULT),
+ "K" (ENOSYS), "K" (-ENOSYS + EFAULT) : "cc", "memory");
+ if (ret < 0)
+ return ret;
+ return (func & CRYPT_S390_FUNC_MASK) ? src_len - __src_len : __src_len;
}
/**
register unsigned long _subcode asm("0") = subcode;
register unsigned long _size asm("1") = size;
- asm volatile (" diag %2,%0,0x204\n"
- "0: \n" ".section __ex_table,\"a\"\n"
-#ifndef __s390x__
- " .align 4\n"
- " .long 0b,0b\n"
-#else
- " .align 8\n"
- " .quad 0b,0b\n"
-#endif
- ".previous":"+d" (_subcode), "+d"(_size)
- :"d"(addr)
- :"memory");
+ asm volatile(
+ " diag %2,%0,0x204\n"
+ "0:\n"
+ EX_TABLE(0b,0b)
+ : "+d" (_subcode), "+d" (_size) : "d" (addr) : "memory");
if (_subcode)
return -1;
- else
- return _size;
+ return _size;
}
/*
static void diag224(void *ptr)
{
- asm volatile(" diag %0,%1,0x224\n"
- : :"d" (0), "d"(ptr) : "memory");
+ asm volatile("diag %0,%1,0x224" : :"d" (0), "d"(ptr) : "memory");
}
static int diag224_get_name_table(void)
current->ptrace &= ~PT_DTRACE;
task_unlock(current);
current->thread.fp_regs.fpc=0;
- __asm__ __volatile__
- ("sr 0,0\n\t"
- "sfpc 0,0\n\t"
- : : :"0");
+ asm volatile("sfpc %0,0" : : "d" (0));
}
putname(filename);
out:
*/
int __cpcmd(const char *cmd, char *response, int rlen, int *response_code)
{
- const int mask = 0x40000000L;
- unsigned long flags;
- int return_code;
- int return_len;
- int cmdlen;
+ unsigned long flags, cmdlen;
+ int return_code, return_len;
spin_lock_irqsave(&cpcmd_lock, flags);
cmdlen = strlen(cmd);
ASCEBC(cpcmd_buf, cmdlen);
if (response != NULL && rlen > 0) {
+ register unsigned long reg2 asm ("2") = (addr_t) cpcmd_buf;
+ register unsigned long reg3 asm ("3") = (addr_t) response;
+ register unsigned long reg4 asm ("4") = cmdlen | 0x40000000L;
+ register unsigned long reg5 asm ("5") = rlen;
+
memset(response, 0, rlen);
+ asm volatile(
#ifndef CONFIG_64BIT
- asm volatile ( "lra 2,0(%2)\n"
- "lr 4,%3\n"
- "o 4,%6\n"
- "lra 3,0(%4)\n"
- "lr 5,%5\n"
- "diag 2,4,0x8\n"
- "brc 8, 1f\n"
- "ar 5, %5\n"
- "1: \n"
- "lr %0,4\n"
- "lr %1,5\n"
- : "=d" (return_code), "=d" (return_len)
- : "a" (cpcmd_buf), "d" (cmdlen),
- "a" (response), "d" (rlen), "m" (mask)
- : "cc", "2", "3", "4", "5" );
+ " diag %2,%0,0x8\n"
+ " brc 8,1f\n"
+ " ar %1,%4\n"
#else /* CONFIG_64BIT */
- asm volatile ( "lrag 2,0(%2)\n"
- "lgr 4,%3\n"
- "o 4,%6\n"
- "lrag 3,0(%4)\n"
- "lgr 5,%5\n"
- "sam31\n"
- "diag 2,4,0x8\n"
- "sam64\n"
- "brc 8, 1f\n"
- "agr 5, %5\n"
- "1: \n"
- "lgr %0,4\n"
- "lgr %1,5\n"
- : "=d" (return_code), "=d" (return_len)
- : "a" (cpcmd_buf), "d" (cmdlen),
- "a" (response), "d" (rlen), "m" (mask)
- : "cc", "2", "3", "4", "5" );
+ " sam31\n"
+ " diag %2,%0,0x8\n"
+ " sam64\n"
+ " brc 8,1f\n"
+ " agr %1,%4\n"
#endif /* CONFIG_64BIT */
+ "1:\n"
+ : "+d" (reg4), "+d" (reg5)
+ : "d" (reg2), "d" (reg3), "d" (rlen) : "cc");
+ return_code = (int) reg4;
+ return_len = (int) reg5;
EBCASC(response, rlen);
} else {
+ register unsigned long reg2 asm ("2") = (addr_t) cpcmd_buf;
+ register unsigned long reg3 asm ("3") = cmdlen;
return_len = 0;
+ asm volatile(
#ifndef CONFIG_64BIT
- asm volatile ( "lra 2,0(%1)\n"
- "lr 3,%2\n"
- "diag 2,3,0x8\n"
- "lr %0,3\n"
- : "=d" (return_code)
- : "a" (cpcmd_buf), "d" (cmdlen)
- : "2", "3" );
+ " diag %1,%0,0x8\n"
#else /* CONFIG_64BIT */
- asm volatile ( "lrag 2,0(%1)\n"
- "lgr 3,%2\n"
- "sam31\n"
- "diag 2,3,0x8\n"
- "sam64\n"
- "lgr %0,3\n"
- : "=d" (return_code)
- : "a" (cpcmd_buf), "d" (cmdlen)
- : "2", "3" );
+ " sam31\n"
+ " diag %1,%0,0x8\n"
+ " sam64\n"
#endif /* CONFIG_64BIT */
+ : "+d" (reg3) : "d" (reg2) : "cc");
+ return_code = (int) reg3;
}
spin_unlock_irqrestore(&cpcmd_lock, flags);
if (response_code != NULL)
static int diag308(unsigned long subcode, void *addr)
{
- register unsigned long _addr asm("0") = (unsigned long)addr;
+ register unsigned long _addr asm("0") = (unsigned long) addr;
register unsigned long _rc asm("1") = 0;
- asm volatile (
- " diag %0,%2,0x308\n"
- "0: \n"
- ".section __ex_table,\"a\"\n"
-#ifdef CONFIG_64BIT
- " .align 8\n"
- " .quad 0b, 0b\n"
-#else
- " .align 4\n"
- " .long 0b, 0b\n"
-#endif
- ".previous\n"
+ asm volatile(
+ " diag %0,%2,0x308\n"
+ "0:\n"
+ EX_TABLE(0b,0b)
: "+d" (_addr), "+d" (_rc)
- : "d" (subcode) : "cc", "memory" );
-
+ : "d" (subcode) : "cc", "memory");
return _rc;
}
#include <asm/irq.h>
#include <asm/timer.h>
-asmlinkage void ret_from_fork(void) __asm__("ret_from_fork");
+asmlinkage void ret_from_fork(void) asm ("ret_from_fork");
/*
* Return saved PC of a blocked thread. used in kernel/sched.
extern void kernel_thread_starter(void);
-__asm__(".align 4\n"
+asm(
+ ".align 4\n"
"kernel_thread_starter:\n"
" la 2,0(10)\n"
" basr 14,9\n"
{
int old_val, new_val;
- __asm__ __volatile__(" l %0,0(%3)\n"
- "0: ltr %1,%0\n"
- " jhe 1f\n"
- " lhi %1,0\n"
- "1: ar %1,%4\n"
- " cs %0,%1,0(%3)\n"
- " jl 0b\n"
- : "=&d" (old_val), "=&d" (new_val),
- "=m" (sem->count)
- : "a" (&sem->count), "d" (incr), "m" (sem->count)
- : "cc" );
+ asm volatile(
+ " l %0,0(%3)\n"
+ "0: ltr %1,%0\n"
+ " jhe 1f\n"
+ " lhi %1,0\n"
+ "1: ar %1,%4\n"
+ " cs %0,%1,0(%3)\n"
+ " jl 0b\n"
+ : "=&d" (old_val), "=&d" (new_val), "=m" (sem->count)
+ : "a" (&sem->count), "d" (incr), "m" (sem->count)
+ : "cc");
return old_val;
}
/*
* Store processor id in lowcore (used e.g. in timer_interrupt)
*/
- asm volatile ("stidp %0": "=m" (S390_lowcore.cpu_data.cpu_id));
+ asm volatile("stidp %0": "=m" (S390_lowcore.cpu_data.cpu_id));
S390_lowcore.cpu_data.cpu_addr = addr;
/*
static void smp_ext_bitcall_others(ec_bit_sig);
/*
- * Structure and data for smp_call_function(). This is designed to minimise
+5B * Structure and data for smp_call_function(). This is designed to minimise
* static memory requirements. It also looks cleaner.
*/
static DEFINE_SPINLOCK(call_lock);
/*
* parameter area for the set/clear control bit callbacks
*/
-typedef struct
-{
- __u16 start_ctl;
- __u16 end_ctl;
+struct ec_creg_mask_parms {
unsigned long orvals[16];
unsigned long andvals[16];
-} ec_creg_mask_parms;
+};
/*
* callback for setting/clearing control bits
*/
void smp_ctl_bit_callback(void *info) {
- ec_creg_mask_parms *pp;
+ struct ec_creg_mask_parms *pp = info;
unsigned long cregs[16];
int i;
- pp = (ec_creg_mask_parms *) info;
- __ctl_store(cregs[pp->start_ctl], pp->start_ctl, pp->end_ctl);
- for (i = pp->start_ctl; i <= pp->end_ctl; i++)
+ __ctl_store(cregs, 0, 15);
+ for (i = 0; i <= 15; i++)
cregs[i] = (cregs[i] & pp->andvals[i]) | pp->orvals[i];
- __ctl_load(cregs[pp->start_ctl], pp->start_ctl, pp->end_ctl);
+ __ctl_load(cregs, 0, 15);
}
/*
* Set a bit in a control register of all cpus
*/
-void smp_ctl_set_bit(int cr, int bit) {
- ec_creg_mask_parms parms;
+void smp_ctl_set_bit(int cr, int bit)
+{
+ struct ec_creg_mask_parms parms;
- parms.start_ctl = cr;
- parms.end_ctl = cr;
+ memset(&parms.orvals, 0, sizeof(parms.orvals));
+ memset(&parms.andvals, 0xff, sizeof(parms.andvals));
parms.orvals[cr] = 1 << bit;
- parms.andvals[cr] = -1L;
- preempt_disable();
- smp_call_function(smp_ctl_bit_callback, &parms, 0, 1);
- __ctl_set_bit(cr, bit);
- preempt_enable();
+ on_each_cpu(smp_ctl_bit_callback, &parms, 0, 1);
}
/*
* Clear a bit in a control register of all cpus
*/
-void smp_ctl_clear_bit(int cr, int bit) {
- ec_creg_mask_parms parms;
+void smp_ctl_clear_bit(int cr, int bit)
+{
+ struct ec_creg_mask_parms parms;
- parms.start_ctl = cr;
- parms.end_ctl = cr;
- parms.orvals[cr] = 0;
+ memset(&parms.orvals, 0, sizeof(parms.orvals));
+ memset(&parms.andvals, 0xff, sizeof(parms.andvals));
parms.andvals[cr] = ~(1L << bit);
- preempt_disable();
- smp_call_function(smp_ctl_bit_callback, &parms, 0, 1);
- __ctl_clear_bit(cr, bit);
- preempt_enable();
+ on_each_cpu(smp_ctl_bit_callback, &parms, 0, 1);
}
/*
sf->gprs[9] = (unsigned long) sf;
cpu_lowcore->save_area[15] = (unsigned long) sf;
__ctl_store(cpu_lowcore->cregs_save_area[0], 0, 15);
- __asm__ __volatile__("stam 0,15,0(%0)"
- : : "a" (&cpu_lowcore->access_regs_save_area)
- : "memory");
+ asm volatile(
+ " stam 0,15,0(%0)"
+ : : "a" (&cpu_lowcore->access_regs_save_area) : "memory");
cpu_lowcore->percpu_offset = __per_cpu_offset[cpu];
cpu_lowcore->current_task = (unsigned long) idle;
cpu_lowcore->cpu_data.cpu_nr = cpu;
__cpu_disable(void)
{
unsigned long flags;
- ec_creg_mask_parms cr_parms;
+ struct ec_creg_mask_parms cr_parms;
int cpu = smp_processor_id();
spin_lock_irqsave(&smp_reserve_lock, flags);
pfault_fini();
#endif
- /* disable all external interrupts */
+ memset(&cr_parms.orvals, 0, sizeof(cr_parms.orvals));
+ memset(&cr_parms.andvals, 0xff, sizeof(cr_parms.andvals));
- cr_parms.start_ctl = 0;
- cr_parms.end_ctl = 0;
+ /* disable all external interrupts */
cr_parms.orvals[0] = 0;
cr_parms.andvals[0] = ~(1<<15 | 1<<14 | 1<<13 | 1<<12 |
1<<11 | 1<<10 | 1<< 6 | 1<< 4);
- smp_ctl_bit_callback(&cr_parms);
-
/* disable all I/O interrupts */
-
- cr_parms.start_ctl = 6;
- cr_parms.end_ctl = 6;
cr_parms.orvals[6] = 0;
cr_parms.andvals[6] = ~(1<<31 | 1<<30 | 1<<29 | 1<<28 |
1<<27 | 1<<26 | 1<<25 | 1<<24);
- smp_ctl_bit_callback(&cr_parms);
-
/* disable most machine checks */
-
- cr_parms.start_ctl = 14;
- cr_parms.end_ctl = 14;
cr_parms.orvals[14] = 0;
cr_parms.andvals[14] = ~(1<<28 | 1<<27 | 1<<26 | 1<<25 | 1<<24);
+
smp_ctl_bit_callback(&cr_parms);
spin_unlock_irqrestore(&smp_reserve_lock, flags);
int cc;
/* kick the TOD clock */
- asm volatile ("STCK 0(%1)\n\t"
- "IPM %0\n\t"
- "SRL %0,28" : "=r" (cc) : "a" (&init_timer_cc)
- : "memory", "cc");
+ asm volatile(
+ " stck 0(%2)\n"
+ " ipm %0\n"
+ " srl %0,28"
+ : "=d" (cc), "=m" (init_timer_cc)
+ : "a" (&init_timer_cc) : "cc");
switch (cc) {
case 0: /* clock in set state: all is fine */
break;
local_irq_enable();
if (MACHINE_HAS_IEEE)
- __asm__ volatile ("stfpc %0\n\t"
- : "=m" (current->thread.fp_regs.fpc));
+ asm volatile("stfpc %0" : "=m" (current->thread.fp_regs.fpc));
#ifdef CONFIG_MATHEMU
else if (regs->psw.mask & PSW_MASK_PSTATE) {
* yield the megahertz number of the cpu. The important function
* is udelay and that is done using the tod clock. -- martin.
*/
- __asm__ __volatile__(
- "0: brct %0,0b"
- : /* no outputs */ : "r" ((loops/2) + 1));
+ asm volatile("0: brct %0,0b" : : "d" ((loops/2) + 1));
}
/*
*/
void __udelay(unsigned long usecs)
{
- uint64_t start_cc, end_cc;
+ uint64_t start_cc;
if (usecs == 0)
return;
- asm volatile ("STCK %0" : "=m" (start_cc));
+ start_cc = get_clock();
do {
cpu_relax();
- asm volatile ("STCK %0" : "=m" (end_cc));
- } while (((end_cc - start_cc)/4096) < usecs);
+ } while (((get_clock() - start_cc)/4096) < usecs);
}
}
static inline void emu_load_regd(int reg) {
- if ((reg&9) != 0) /* test if reg in {0,2,4,6} */
+ if ((reg&9) != 0) /* test if reg in {0,2,4,6} */
return;
- asm volatile ( /* load reg from fp_regs.fprs[reg] */
- " bras 1,0f\n"
- " ld 0,0(%1)\n"
- "0: ex %0,0(1)"
- : /* no output */
- : "a" (reg<<4),"a" (¤t->thread.fp_regs.fprs[reg].d)
- : "1" );
+ asm volatile( /* load reg from fp_regs.fprs[reg] */
+ " bras 1,0f\n"
+ " ld 0,0(%1)\n"
+ "0: ex %0,0(1)"
+ : /* no output */
+ : "a" (reg<<4),"a" (¤t->thread.fp_regs.fprs[reg].d)
+ : "1");
}
static inline void emu_load_rege(int reg) {
- if ((reg&9) != 0) /* test if reg in {0,2,4,6} */
+ if ((reg&9) != 0) /* test if reg in {0,2,4,6} */
return;
- asm volatile ( /* load reg from fp_regs.fprs[reg] */
- " bras 1,0f\n"
- " le 0,0(%1)\n"
- "0: ex %0,0(1)"
- : /* no output */
- : "a" (reg<<4), "a" (¤t->thread.fp_regs.fprs[reg].f)
- : "1" );
+ asm volatile( /* load reg from fp_regs.fprs[reg] */
+ " bras 1,0f\n"
+ " le 0,0(%1)\n"
+ "0: ex %0,0(1)"
+ : /* no output */
+ : "a" (reg<<4), "a" (¤t->thread.fp_regs.fprs[reg].f)
+ : "1");
}
static inline void emu_store_regd(int reg) {
- if ((reg&9) != 0) /* test if reg in {0,2,4,6} */
+ if ((reg&9) != 0) /* test if reg in {0,2,4,6} */
return;
- asm volatile ( /* store reg to fp_regs.fprs[reg] */
- " bras 1,0f\n"
- " std 0,0(%1)\n"
- "0: ex %0,0(1)"
- : /* no output */
- : "a" (reg<<4), "a" (¤t->thread.fp_regs.fprs[reg].d)
- : "1" );
+ asm volatile( /* store reg to fp_regs.fprs[reg] */
+ " bras 1,0f\n"
+ " std 0,0(%1)\n"
+ "0: ex %0,0(1)"
+ : /* no output */
+ : "a" (reg<<4), "a" (¤t->thread.fp_regs.fprs[reg].d)
+ : "1");
}
static inline void emu_store_rege(int reg) {
- if ((reg&9) != 0) /* test if reg in {0,2,4,6} */
+ if ((reg&9) != 0) /* test if reg in {0,2,4,6} */
return;
- asm volatile ( /* store reg to fp_regs.fprs[reg] */
- " bras 1,0f\n"
- " ste 0,0(%1)\n"
- "0: ex %0,0(1)"
- : /* no output */
- : "a" (reg<<4), "a" (¤t->thread.fp_regs.fprs[reg].f)
- : "1" );
+ asm volatile( /* store reg to fp_regs.fprs[reg] */
+ " bras 1,0f\n"
+ " ste 0,0(%1)\n"
+ "0: ex %0,0(1)"
+ : /* no output */
+ : "a" (reg<<4), "a" (¤t->thread.fp_regs.fprs[reg].f)
+ : "1");
}
int math_emu_b3(__u8 *opcode, struct pt_regs * regs) {
if ((opc & 0x90) == 0) { /* test if rx in {0,2,4,6} */
/* we got an exception therfore ry can't be in {0,2,4,6} */
- __asm__ __volatile ( /* load rx from fp_regs.fprs[ry] */
- " bras 1,0f\n"
- " ld 0,0(%1)\n"
- "0: ex %0,0(1)"
- : /* no output */
- : "a" (opc & 0xf0),
- "a" (&fp_regs->fprs[opc & 0xf].d)
- : "1" );
+ asm volatile( /* load rx from fp_regs.fprs[ry] */
+ " bras 1,0f\n"
+ " ld 0,0(%1)\n"
+ "0: ex %0,0(1)"
+ : /* no output */
+ : "a" (opc & 0xf0), "a" (&fp_regs->fprs[opc & 0xf].d)
+ : "1");
} else if ((opc & 0x9) == 0) { /* test if ry in {0,2,4,6} */
- __asm__ __volatile ( /* store ry to fp_regs.fprs[rx] */
- " bras 1,0f\n"
- " std 0,0(%1)\n"
- "0: ex %0,0(1)"
- : /* no output */
- : "a" ((opc & 0xf) << 4),
- "a" (&fp_regs->fprs[(opc & 0xf0)>>4].d)
- : "1" );
+ asm volatile ( /* store ry to fp_regs.fprs[rx] */
+ " bras 1,0f\n"
+ " std 0,0(%1)\n"
+ "0: ex %0,0(1)"
+ : /* no output */
+ : "a" ((opc & 0xf) << 4),
+ "a" (&fp_regs->fprs[(opc & 0xf0)>>4].d)
+ : "1");
} else /* move fp_regs.fprs[ry] to fp_regs.fprs[rx] */
fp_regs->fprs[(opc & 0xf0) >> 4] = fp_regs->fprs[opc & 0xf];
return 0;
if ((opc & 0x90) == 0) { /* test if rx in {0,2,4,6} */
/* we got an exception therfore ry can't be in {0,2,4,6} */
- __asm__ __volatile ( /* load rx from fp_regs.fprs[ry] */
- " bras 1,0f\n"
- " le 0,0(%1)\n"
- "0: ex %0,0(1)"
- : /* no output */
- : "a" (opc & 0xf0),
- "a" (&fp_regs->fprs[opc & 0xf].f)
- : "1" );
+ asm volatile( /* load rx from fp_regs.fprs[ry] */
+ " bras 1,0f\n"
+ " le 0,0(%1)\n"
+ "0: ex %0,0(1)"
+ : /* no output */
+ : "a" (opc & 0xf0), "a" (&fp_regs->fprs[opc & 0xf].f)
+ : "1");
} else if ((opc & 0x9) == 0) { /* test if ry in {0,2,4,6} */
- __asm__ __volatile ( /* store ry to fp_regs.fprs[rx] */
- " bras 1,0f\n"
- " ste 0,0(%1)\n"
- "0: ex %0,0(1)"
- : /* no output */
- : "a" ((opc & 0xf) << 4),
- "a" (&fp_regs->fprs[(opc & 0xf0) >> 4].f)
- : "1" );
+ asm volatile( /* store ry to fp_regs.fprs[rx] */
+ " bras 1,0f\n"
+ " ste 0,0(%1)\n"
+ "0: ex %0,0(1)"
+ : /* no output */
+ : "a" ((opc & 0xf) << 4),
+ "a" (&fp_regs->fprs[(opc & 0xf0) >> 4].f)
+ : "1");
} else /* move fp_regs.fprs[ry] to fp_regs.fprs[rx] */
fp_regs->fprs[(opc & 0xf0) >> 4] = fp_regs->fprs[opc & 0xf];
return 0;
#include <asm/byteorder.h>
#define add_ssaaaa(sh, sl, ah, al, bh, bl) ({ \
- unsigned int __sh = (ah); \
- unsigned int __sl = (al); \
- __asm__ (" alr %1,%3\n" \
- " brc 12,0f\n" \
- " ahi %0,1\n" \
- "0: alr %0,%2" \
- : "+&d" (__sh), "+d" (__sl) \
- : "d" (bh), "d" (bl) : "cc" ); \
- (sh) = __sh; \
- (sl) = __sl; \
+ unsigned int __sh = (ah); \
+ unsigned int __sl = (al); \
+ asm volatile( \
+ " alr %1,%3\n" \
+ " brc 12,0f\n" \
+ " ahi %0,1\n" \
+ "0: alr %0,%2" \
+ : "+&d" (__sh), "+d" (__sl) \
+ : "d" (bh), "d" (bl) : "cc"); \
+ (sh) = __sh; \
+ (sl) = __sl; \
})
#define sub_ddmmss(sh, sl, ah, al, bh, bl) ({ \
- unsigned int __sh = (ah); \
- unsigned int __sl = (al); \
- __asm__ (" slr %1,%3\n" \
- " brc 3,0f\n" \
- " ahi %0,-1\n" \
- "0: slr %0,%2" \
- : "+&d" (__sh), "+d" (__sl) \
- : "d" (bh), "d" (bl) : "cc" ); \
- (sh) = __sh; \
- (sl) = __sl; \
+ unsigned int __sh = (ah); \
+ unsigned int __sl = (al); \
+ asm volatile( \
+ " slr %1,%3\n" \
+ " brc 3,0f\n" \
+ " ahi %0,-1\n" \
+ "0: slr %0,%2" \
+ : "+&d" (__sh), "+d" (__sl) \
+ : "d" (bh), "d" (bl) : "cc"); \
+ (sh) = __sh; \
+ (sl) = __sl; \
})
/* a umul b = a mul b + (a>=2<<31) ? b<<32:0 + (b>=2<<31) ? a<<32:0 */
#define umul_ppmm(wh, wl, u, v) ({ \
- unsigned int __wh = u; \
- unsigned int __wl = v; \
- __asm__ (" ltr 1,%0\n" \
- " mr 0,%1\n" \
- " jnm 0f\n" \
- " alr 0,%1\n" \
- "0: ltr %1,%1\n" \
- " jnm 1f\n" \
- " alr 0,%0\n" \
- "1: lr %0,0\n" \
- " lr %1,1\n" \
- : "+d" (__wh), "+d" (__wl) \
- : : "0", "1", "cc" ); \
- wh = __wh; \
- wl = __wl; \
+ unsigned int __wh = u; \
+ unsigned int __wl = v; \
+ asm volatile( \
+ " ltr 1,%0\n" \
+ " mr 0,%1\n" \
+ " jnm 0f\n" \
+ " alr 0,%1\n" \
+ "0: ltr %1,%1\n" \
+ " jnm 1f\n" \
+ " alr 0,%0\n" \
+ "1: lr %0,0\n" \
+ " lr %1,1\n" \
+ : "+d" (__wh), "+d" (__wl) \
+ : : "0", "1", "cc"); \
+ wh = __wh; \
+ wl = __wl; \
})
#define udiv_qrnnd(q, r, n1, n0, d) \
rx = (unsigned long) parameter;
ry = (unsigned long) func;
- __asm__ __volatile__(
+ asm volatile(
#ifdef CONFIG_64BIT
- " sam31\n" // switch to 31 bit
- " diag %0,%1,0x64\n"
- " sam64\n" // switch back to 64 bit
+ " sam31\n"
+ " diag %0,%1,0x64\n"
+ " sam64\n"
#else
- " diag %0,%1,0x64\n"
+ " diag %0,%1,0x64\n"
#endif
- " ipm %2\n"
- " srl %2,28\n"
- : "+d" (rx), "+d" (ry), "=d" (rc) : : "cc" );
+ " ipm %2\n"
+ " srl %2,28\n"
+ : "+d" (rx), "+d" (ry), "=d" (rc) : : "cc");
*ret1 = rx;
*ret2 = ry;
return rc;
if (pfault_disable)
return -1;
- __asm__ __volatile__(
- " diag %1,%0,0x258\n"
- "0: j 2f\n"
- "1: la %0,8\n"
+ asm volatile(
+ " diag %1,%0,0x258\n"
+ "0: j 2f\n"
+ "1: la %0,8\n"
"2:\n"
- ".section __ex_table,\"a\"\n"
- " .align 4\n"
-#ifndef CONFIG_64BIT
- " .long 0b,1b\n"
-#else /* CONFIG_64BIT */
- " .quad 0b,1b\n"
-#endif /* CONFIG_64BIT */
- ".previous"
- : "=d" (rc) : "a" (&refbk), "m" (refbk) : "cc" );
+ EX_TABLE(0b,1b)
+ : "=d" (rc) : "a" (&refbk), "m" (refbk) : "cc");
__ctl_set_bit(0, 9);
return rc;
}
if (pfault_disable)
return;
__ctl_clear_bit(0,9);
- __asm__ __volatile__(
- " diag %0,0,0x258\n"
+ asm volatile(
+ " diag %0,0,0x258\n"
"0:\n"
- ".section __ex_table,\"a\"\n"
- " .align 4\n"
-#ifndef CONFIG_64BIT
- " .long 0b,0b\n"
-#else /* CONFIG_64BIT */
- " .quad 0b,0b\n"
-#endif /* CONFIG_64BIT */
- ".previous"
- : : "a" (&refbk), "m" (refbk) : "cc" );
+ EX_TABLE(0b,0b)
+ : : "a" (&refbk), "m" (refbk) : "cc");
}
asmlinkage void
{
if (addr >= 0x7ff00000)
return;
+ asm volatile(
#ifdef CONFIG_64BIT
- asm volatile (
- " sam31\n"
- " diag %0,%0,0x10\n"
- "0: sam64\n"
- ".section __ex_table,\"a\"\n"
- " .align 8\n"
- " .quad 0b, 0b\n"
- ".previous\n"
- : : "a" (addr));
+ " sam31\n"
+ " diag %0,%0,0x10\n"
+ "0: sam64\n"
#else
- asm volatile (
- " diag %0,%0,0x10\n"
+ " diag %0,%0,0x10\n"
"0:\n"
- ".section __ex_table,\"a\"\n"
- " .align 4\n"
- " .long 0b, 0b\n"
- ".previous\n"
- : : "a" (addr));
#endif
+ EX_TABLE(0b,0b)
+ : : "a" (addr));
}
void show_mem(void)
S390_lowcore.kernel_asce = pgdir_k;
/* enable virtual mapping in kernel mode */
- __asm__ __volatile__(" LCTL 1,1,%0\n"
- " LCTL 7,7,%0\n"
- " LCTL 13,13,%0\n"
- " SSM %1"
- : : "m" (pgdir_k), "m" (ssm_mask));
+ __ctl_load(pgdir_k, 1, 1);
+ __ctl_load(pgdir_k, 7, 7);
+ __ctl_load(pgdir_k, 13, 13);
+ __raw_local_irq_ssm(ssm_mask);
local_flush_tlb();
return;
S390_lowcore.kernel_asce = pgdir_k;
/* enable virtual mapping in kernel mode */
- __asm__ __volatile__("lctlg 1,1,%0\n\t"
- "lctlg 7,7,%0\n\t"
- "lctlg 13,13,%0\n\t"
- "ssm %1"
- : :"m" (pgdir_k), "m" (ssm_mask));
+ __ctl_load(pgdir_k, 1, 1);
+ __ctl_load(pgdir_k, 7, 7);
+ __ctl_load(pgdir_k, 13, 13);
+ __raw_local_irq_ssm(ssm_mask);
local_flush_tlb();
* and function code cmd.
* In case of an exception return 3. Otherwise return result of bitwise OR of
* resulting condition code and DIAG return code. */
-static __inline__ int
-dia250(void *iob, int cmd)
+static inline int dia250(void *iob, int cmd)
{
+ register unsigned long reg0 asm ("0") = (unsigned long) iob;
typedef union {
struct dasd_diag_init_io init_io;
struct dasd_diag_rw_io rw_io;
} addr_type;
int rc;
- __asm__ __volatile__(
-#ifdef CONFIG_64BIT
- " lghi %0,3\n"
- " lgr 0,%3\n"
- " diag 0,%2,0x250\n"
- "0: ipm %0\n"
- " srl %0,28\n"
- " or %0,1\n"
- "1:\n"
- ".section __ex_table,\"a\"\n"
- " .align 8\n"
- " .quad 0b,1b\n"
- ".previous\n"
-#else
- " lhi %0,3\n"
- " lr 0,%3\n"
+ rc = 3;
+ asm volatile(
" diag 0,%2,0x250\n"
"0: ipm %0\n"
" srl %0,28\n"
" or %0,1\n"
"1:\n"
- ".section __ex_table,\"a\"\n"
- " .align 4\n"
- " .long 0b,1b\n"
- ".previous\n"
-#endif
- : "=&d" (rc), "=m" (*(addr_type *) iob)
- : "d" (cmd), "d" (iob), "m" (*(addr_type *) iob)
- : "0", "1", "cc");
+ EX_TABLE(0b,1b)
+ : "+d" (rc), "=m" (*(addr_type *) iob)
+ : "d" (cmd), "d" (reg0), "m" (*(addr_type *) iob)
+ : "1", "cc");
return rc;
}
*/
static int xpram_page_in (unsigned long page_addr, unsigned int xpage_index)
{
- int cc;
+ int cc = 2; /* return unused cc 2 if pgin traps */
- __asm__ __volatile__ (
- " lhi %0,2\n" /* return unused cc 2 if pgin traps */
- " .insn rre,0xb22e0000,%1,%2\n" /* pgin %1,%2 */
- "0: ipm %0\n"
- " srl %0,28\n"
+ asm volatile(
+ " .insn rre,0xb22e0000,%1,%2\n" /* pgin %1,%2 */
+ "0: ipm %0\n"
+ " srl %0,28\n"
"1:\n"
-#ifndef CONFIG_64BIT
- ".section __ex_table,\"a\"\n"
- " .align 4\n"
- " .long 0b,1b\n"
- ".previous"
-#else
- ".section __ex_table,\"a\"\n"
- " .align 8\n"
- " .quad 0b,1b\n"
- ".previous"
-#endif
- : "=&d" (cc)
- : "a" (__pa(page_addr)), "a" (xpage_index)
- : "cc" );
+ EX_TABLE(0b,1b)
+ : "+d" (cc) : "a" (__pa(page_addr)), "d" (xpage_index) : "cc");
if (cc == 3)
return -ENXIO;
if (cc == 2) {
*/
static long xpram_page_out (unsigned long page_addr, unsigned int xpage_index)
{
- int cc;
+ int cc = 2; /* return unused cc 2 if pgin traps */
- __asm__ __volatile__ (
- " lhi %0,2\n" /* return unused cc 2 if pgout traps */
- " .insn rre,0xb22f0000,%1,%2\n" /* pgout %1,%2 */
- "0: ipm %0\n"
- " srl %0,28\n"
+ asm volatile(
+ " .insn rre,0xb22f0000,%1,%2\n" /* pgout %1,%2 */
+ "0: ipm %0\n"
+ " srl %0,28\n"
"1:\n"
-#ifndef CONFIG_64BIT
- ".section __ex_table,\"a\"\n"
- " .align 4\n"
- " .long 0b,1b\n"
- ".previous"
-#else
- ".section __ex_table,\"a\"\n"
- " .align 8\n"
- " .quad 0b,1b\n"
- ".previous"
-#endif
- : "=&d" (cc)
- : "a" (__pa(page_addr)), "a" (xpage_index)
- : "cc" );
+ EX_TABLE(0b,1b)
+ : "+d" (cc) : "a" (__pa(page_addr)), "d" (xpage_index) : "cc");
if (cc == 3)
return -ENXIO;
if (cc == 2) {
{
int cc;
- __asm__ __volatile__(
- " .insn rre,0xb2200000,%1,%2\n" /* servc %1,%2 */
- " ipm %0\n"
- " srl %0,28"
- : "=&d" (cc)
- : "d" (command), "a" (__pa(sccb))
- : "cc", "memory" );
+ asm volatile(
+ " .insn rre,0xb2200000,%1,%2\n" /* servc %1,%2 */
+ " ipm %0\n"
+ " srl %0,28"
+ : "=&d" (cc) : "d" (command), "a" (__pa(sccb))
+ : "cc", "memory");
if (cc == 3)
return -EIO;
if (cc == 2)
sclp_process_queue();
}
-/* Return current Time-Of-Day clock. */
-static inline u64
-sclp_get_clock(void)
-{
- u64 result;
-
- asm volatile ("STCK 0(%1)" : "=m" (result) : "a" (&(result)) : "cc");
- return result;
-}
-
/* Convert interval in jiffies to TOD ticks. */
static inline u64
sclp_tod_from_jiffies(unsigned long jiffies)
void
sclp_sync_wait(void)
{
- unsigned long psw_mask;
unsigned long flags;
unsigned long cr0, cr0_sync;
u64 timeout;
timeout = 0;
if (timer_pending(&sclp_request_timer)) {
/* Get timeout TOD value */
- timeout = sclp_get_clock() +
+ timeout = get_clock() +
sclp_tod_from_jiffies(sclp_request_timer.expires -
jiffies);
}
cr0_sync |= 0x00000200;
cr0_sync &= 0xFFFFF3AC;
__ctl_load(cr0_sync, 0, 0);
- asm volatile ("STOSM 0(%1),0x01"
- : "=m" (psw_mask) : "a" (&psw_mask) : "memory");
+ __raw_local_irq_stosm(0x01);
/* Loop until driver state indicates finished request */
while (sclp_running_state != sclp_running_state_idle) {
/* Check for expired request timer */
if (timer_pending(&sclp_request_timer) &&
- sclp_get_clock() > timeout &&
+ get_clock() > timeout &&
del_timer(&sclp_request_timer))
sclp_request_timer.function(sclp_request_timer.data);
barrier();
static int __diag288(enum vmwdt_func func, unsigned int timeout,
char *cmd, size_t len)
{
- register unsigned long __func asm("2");
- register unsigned long __timeout asm("3");
- register unsigned long __cmdp asm("4");
- register unsigned long __cmdl asm("5");
+ register unsigned long __func asm("2") = func;
+ register unsigned long __timeout asm("3") = timeout;
+ register unsigned long __cmdp asm("4") = virt_to_phys(cmd);
+ register unsigned long __cmdl asm("5") = len;
int err;
- __func = func;
- __timeout = timeout;
- __cmdp = virt_to_phys(cmd);
- __cmdl = len;
- err = 0;
- asm volatile (
-#ifdef CONFIG_64BIT
- "diag %2,%4,0x288\n"
- "1: \n"
- ".section .fixup,\"ax\"\n"
- "2: lghi %0,%1\n"
- " jg 1b\n"
- ".previous\n"
- ".section __ex_table,\"a\"\n"
- " .align 8\n"
- " .quad 1b,2b\n"
- ".previous\n"
-#else
- "diag %2,%4,0x288\n"
- "1: \n"
- ".section .fixup,\"ax\"\n"
- "2: lhi %0,%1\n"
- " bras 1,3f\n"
- " .long 1b\n"
- "3: l 1,0(1)\n"
- " br 1\n"
- ".previous\n"
- ".section __ex_table,\"a\"\n"
- " .align 4\n"
- " .long 1b,2b\n"
- ".previous\n"
-#endif
- : "+&d"(err)
- : "i"(-EINVAL), "d"(__func), "d"(__timeout),
- "d"(__cmdp), "d"(__cmdl)
- : "1", "cc");
+ err = -EINVAL;
+ asm volatile(
+ " diag %1,%3,0x288\n"
+ "0: la %0,0\n"
+ "1:\n"
+ EX_TABLE(0b,1b)
+ : "=d" (err) : "d"(__func), "d"(__timeout),
+ "d"(__cmdp), "d"(__cmdl), "0" (-EINVAL) : "1", "cc");
return err;
}
spin_lock_irqsave(&diag210_lock, flags);
diag210_tmp = *addr;
- asm volatile (
- " lhi %0,-1\n"
- " sam31\n"
- " diag %1,0,0x210\n"
- "0: ipm %0\n"
- " srl %0,28\n"
- "1: sam64\n"
- ".section __ex_table,\"a\"\n"
- " .align 8\n"
- " .quad 0b,1b\n"
- ".previous"
- : "=&d" (ccode) : "a" (__pa(&diag210_tmp)) : "cc", "memory" );
+ asm volatile(
+ " lhi %0,-1\n"
+ " sam31\n"
+ " diag %1,0,0x210\n"
+ "0: ipm %0\n"
+ " srl %0,28\n"
+ "1: sam64\n"
+ EX_TABLE(0b,1b)
+ : "=&d" (ccode) : "a" (__pa(&diag210_tmp)) : "cc", "memory");
*addr = diag210_tmp;
spin_unlock_irqrestore(&diag210_lock, flags);
{
int ccode;
- asm volatile (
- " lhi %0,-1\n"
- " diag %1,0,0x210\n"
- "0: ipm %0\n"
- " srl %0,28\n"
+ asm volatile(
+ " lhi %0,-1\n"
+ " diag %1,0,0x210\n"
+ "0: ipm %0\n"
+ " srl %0,28\n"
"1:\n"
- ".section __ex_table,\"a\"\n"
- " .align 4\n"
- " .long 0b,1b\n"
- ".previous"
- : "=&d" (ccode) : "a" (__pa(addr)) : "cc", "memory" );
+ EX_TABLE(0b,1b)
+ : "=&d" (ccode) : "a" (__pa(addr)) : "cc", "memory");
return ccode;
}
static inline int stsch(struct subchannel_id schid,
volatile struct schib *addr)
{
+ register struct subchannel_id reg1 asm ("1") = schid;
int ccode;
- __asm__ __volatile__(
- " lr 1,%1\n"
- " stsch 0(%2)\n"
- " ipm %0\n"
- " srl %0,28"
- : "=d" (ccode)
- : "d" (schid), "a" (addr), "m" (*addr)
- : "cc", "1" );
+ asm volatile(
+ " stsch 0(%2)\n"
+ " ipm %0\n"
+ " srl %0,28"
+ : "=d" (ccode) : "d" (reg1), "a" (addr), "m" (*addr) : "cc");
return ccode;
}
static inline int stsch_err(struct subchannel_id schid,
volatile struct schib *addr)
{
- int ccode;
+ register struct subchannel_id reg1 asm ("1") = schid;
+ int ccode = -EIO;
- __asm__ __volatile__(
- " lhi %0,%3\n"
- " lr 1,%1\n"
- " stsch 0(%2)\n"
- "0: ipm %0\n"
- " srl %0,28\n"
+ asm volatile(
+ " stsch 0(%2)\n"
+ "0: ipm %0\n"
+ " srl %0,28\n"
"1:\n"
-#ifdef CONFIG_64BIT
- ".section __ex_table,\"a\"\n"
- " .align 8\n"
- " .quad 0b,1b\n"
- ".previous"
-#else
- ".section __ex_table,\"a\"\n"
- " .align 4\n"
- " .long 0b,1b\n"
- ".previous"
-#endif
- : "=&d" (ccode)
- : "d" (schid), "a" (addr), "K" (-EIO), "m" (*addr)
- : "cc", "1" );
+ EX_TABLE(0b,1b)
+ : "+d" (ccode) : "d" (reg1), "a" (addr), "m" (*addr) : "cc");
return ccode;
}
static inline int msch(struct subchannel_id schid,
volatile struct schib *addr)
{
+ register struct subchannel_id reg1 asm ("1") = schid;
int ccode;
- __asm__ __volatile__(
- " lr 1,%1\n"
- " msch 0(%2)\n"
- " ipm %0\n"
- " srl %0,28"
- : "=d" (ccode)
- : "d" (schid), "a" (addr), "m" (*addr)
- : "cc", "1" );
+ asm volatile(
+ " msch 0(%2)\n"
+ " ipm %0\n"
+ " srl %0,28"
+ : "=d" (ccode) : "d" (reg1), "a" (addr), "m" (*addr) : "cc");
return ccode;
}
static inline int msch_err(struct subchannel_id schid,
volatile struct schib *addr)
{
- int ccode;
+ register struct subchannel_id reg1 asm ("1") = schid;
+ int ccode = -EIO;
- __asm__ __volatile__(
- " lhi %0,%3\n"
- " lr 1,%1\n"
- " msch 0(%2)\n"
- "0: ipm %0\n"
- " srl %0,28\n"
+ asm volatile(
+ " msch 0(%2)\n"
+ "0: ipm %0\n"
+ " srl %0,28\n"
"1:\n"
-#ifdef CONFIG_64BIT
- ".section __ex_table,\"a\"\n"
- " .align 8\n"
- " .quad 0b,1b\n"
- ".previous"
-#else
- ".section __ex_table,\"a\"\n"
- " .align 4\n"
- " .long 0b,1b\n"
- ".previous"
-#endif
- : "=&d" (ccode)
- : "d" (schid), "a" (addr), "K" (-EIO), "m" (*addr)
- : "cc", "1" );
+ EX_TABLE(0b,1b)
+ : "+d" (ccode) : "d" (reg1), "a" (addr), "m" (*addr) : "cc");
return ccode;
}
static inline int tsch(struct subchannel_id schid,
volatile struct irb *addr)
{
+ register struct subchannel_id reg1 asm ("1") = schid;
int ccode;
- __asm__ __volatile__(
- " lr 1,%1\n"
- " tsch 0(%2)\n"
- " ipm %0\n"
- " srl %0,28"
- : "=d" (ccode)
- : "d" (schid), "a" (addr), "m" (*addr)
- : "cc", "1" );
+ asm volatile(
+ " tsch 0(%2)\n"
+ " ipm %0\n"
+ " srl %0,28"
+ : "=d" (ccode) : "d" (reg1), "a" (addr), "m" (*addr) : "cc");
return ccode;
}
{
int ccode;
- __asm__ __volatile__(
- " tpi 0(%1)\n"
- " ipm %0\n"
- " srl %0,28"
- : "=d" (ccode)
- : "a" (addr), "m" (*addr)
- : "cc", "1" );
+ asm volatile(
+ " tpi 0(%1)\n"
+ " ipm %0\n"
+ " srl %0,28"
+ : "=d" (ccode) : "a" (addr), "m" (*addr) : "cc");
return ccode;
}
static inline int ssch(struct subchannel_id schid,
volatile struct orb *addr)
{
+ register struct subchannel_id reg1 asm ("1") = schid;
int ccode;
- __asm__ __volatile__(
- " lr 1,%1\n"
- " ssch 0(%2)\n"
- " ipm %0\n"
- " srl %0,28"
- : "=d" (ccode)
- : "d" (schid), "a" (addr), "m" (*addr)
- : "cc", "1" );
+ asm volatile(
+ " ssch 0(%2)\n"
+ " ipm %0\n"
+ " srl %0,28"
+ : "=d" (ccode) : "d" (reg1), "a" (addr), "m" (*addr) : "cc");
return ccode;
}
static inline int rsch(struct subchannel_id schid)
{
+ register struct subchannel_id reg1 asm ("1") = schid;
int ccode;
- __asm__ __volatile__(
- " lr 1,%1\n"
- " rsch\n"
- " ipm %0\n"
- " srl %0,28"
- : "=d" (ccode)
- : "d" (schid)
- : "cc", "1" );
+ asm volatile(
+ " rsch\n"
+ " ipm %0\n"
+ " srl %0,28"
+ : "=d" (ccode) : "d" (reg1) : "cc");
return ccode;
}
static inline int csch(struct subchannel_id schid)
{
+ register struct subchannel_id reg1 asm ("1") = schid;
int ccode;
- __asm__ __volatile__(
- " lr 1,%1\n"
- " csch\n"
- " ipm %0\n"
- " srl %0,28"
- : "=d" (ccode)
- : "d" (schid)
- : "cc", "1" );
+ asm volatile(
+ " csch\n"
+ " ipm %0\n"
+ " srl %0,28"
+ : "=d" (ccode) : "d" (reg1) : "cc");
return ccode;
}
static inline int hsch(struct subchannel_id schid)
{
+ register struct subchannel_id reg1 asm ("1") = schid;
int ccode;
- __asm__ __volatile__(
- " lr 1,%1\n"
- " hsch\n"
- " ipm %0\n"
- " srl %0,28"
- : "=d" (ccode)
- : "d" (schid)
- : "cc", "1" );
+ asm volatile(
+ " hsch\n"
+ " ipm %0\n"
+ " srl %0,28"
+ : "=d" (ccode) : "d" (reg1) : "cc");
return ccode;
}
static inline int xsch(struct subchannel_id schid)
{
+ register struct subchannel_id reg1 asm ("1") = schid;
int ccode;
- __asm__ __volatile__(
- " lr 1,%1\n"
- " .insn rre,0xb2760000,%1,0\n"
- " ipm %0\n"
- " srl %0,28"
- : "=d" (ccode)
- : "d" (schid)
- : "cc", "1" );
+ asm volatile(
+ " .insn rre,0xb2760000,%1,0\n"
+ " ipm %0\n"
+ " srl %0,28"
+ : "=d" (ccode) : "d" (reg1) : "cc");
return ccode;
}
typedef struct { char _[4096]; } addr_type;
int cc;
- __asm__ __volatile__ (
- ".insn rre,0xb25f0000,%2,0 \n\t"
- "ipm %0 \n\t"
- "srl %0,28 \n\t"
+ asm volatile(
+ " .insn rre,0xb25f0000,%2,0\n"
+ " ipm %0\n"
+ " srl %0,28\n"
: "=d" (cc), "=m" (*(addr_type *) chsc_area)
: "d" (chsc_area), "m" (*(addr_type *) chsc_area)
- : "cc" );
-
+ : "cc");
return cc;
}
-static inline int iac( void)
-{
- int ccode;
-
- __asm__ __volatile__(
- " iac 1\n"
- " ipm %0\n"
- " srl %0,28"
- : "=d" (ccode) : : "cc", "1" );
- return ccode;
-}
-
static inline int rchp(int chpid)
{
+ register unsigned int reg1 asm ("1") = chpid;
int ccode;
- __asm__ __volatile__(
- " lr 1,%1\n"
- " rchp\n"
- " ipm %0\n"
- " srl %0,28"
- : "=d" (ccode)
- : "d" (chpid)
- : "cc", "1" );
+ asm volatile(
+ " lr 1,%1\n"
+ " rchp\n"
+ " ipm %0\n"
+ " srl %0,28"
+ : "=d" (ccode) : "d" (reg1) : "cc");
return ccode;
}
register unsigned long _sch asm ("1") = sch;
unsigned long _queuestart = ((unsigned long)queue << 32) | *start;
- asm volatile (
- " .insn rsy,0xeb000000008A,%1,0,0(%2)\n\t"
- : "+d" (_ccq), "+d" (_queuestart)
- : "d" ((unsigned long)state), "d" (_sch)
- : "memory", "cc"
- );
+ asm volatile(
+ " .insn rsy,0xeb000000008A,%1,0,0(%2)"
+ : "+d" (_ccq), "+d" (_queuestart)
+ : "d" ((unsigned long)state), "d" (_sch)
+ : "memory", "cc");
*count = _ccq & 0xff;
*start = _queuestart & 0xff;
unsigned long _queuestart = ((unsigned long)queue << 32) | *start;
unsigned long _state = 0;
- asm volatile (
- " .insn rrf,0xB99c0000,%1,%2,0,0 \n\t"
- : "+d" (_ccq), "+d" (_queuestart), "+d" (_state)
- : "d" (_sch)
- : "memory", "cc"
- );
+ asm volatile(
+ " .insn rrf,0xB99c0000,%1,%2,0,0"
+ : "+d" (_ccq), "+d" (_queuestart), "+d" (_state)
+ : "d" (_sch)
+ : "memory", "cc" );
*count = _ccq & 0xff;
*start = _queuestart & 0xff;
*state = _state & 0xff;
static inline int
do_siga_sync(struct subchannel_id schid, unsigned int mask1, unsigned int mask2)
{
+ register unsigned long reg0 asm ("0") = 2;
+ register struct subchannel_id reg1 asm ("1") = schid;
+ register unsigned long reg2 asm ("2") = mask1;
+ register unsigned long reg3 asm ("3") = mask2;
int cc;
-#ifndef CONFIG_64BIT
- asm volatile (
- "lhi 0,2 \n\t"
- "lr 1,%1 \n\t"
- "lr 2,%2 \n\t"
- "lr 3,%3 \n\t"
- "siga 0 \n\t"
- "ipm %0 \n\t"
- "srl %0,28 \n\t"
+ asm volatile(
+ " siga 0\n"
+ " ipm %0\n"
+ " srl %0,28\n"
: "=d" (cc)
- : "d" (schid), "d" (mask1), "d" (mask2)
- : "cc", "0", "1", "2", "3"
- );
-#else /* CONFIG_64BIT */
- asm volatile (
- "lghi 0,2 \n\t"
- "llgfr 1,%1 \n\t"
- "llgfr 2,%2 \n\t"
- "llgfr 3,%3 \n\t"
- "siga 0 \n\t"
- "ipm %0 \n\t"
- "srl %0,28 \n\t"
- : "=d" (cc)
- : "d" (schid), "d" (mask1), "d" (mask2)
- : "cc", "0", "1", "2", "3"
- );
-#endif /* CONFIG_64BIT */
+ : "d" (reg0), "d" (reg1), "d" (reg2), "d" (reg3) : "cc");
return cc;
}
static inline int
do_siga_input(struct subchannel_id schid, unsigned int mask)
{
+ register unsigned long reg0 asm ("0") = 1;
+ register struct subchannel_id reg1 asm ("1") = schid;
+ register unsigned long reg2 asm ("2") = mask;
int cc;
-#ifndef CONFIG_64BIT
- asm volatile (
- "lhi 0,1 \n\t"
- "lr 1,%1 \n\t"
- "lr 2,%2 \n\t"
- "siga 0 \n\t"
- "ipm %0 \n\t"
- "srl %0,28 \n\t"
- : "=d" (cc)
- : "d" (schid), "d" (mask)
- : "cc", "0", "1", "2", "memory"
- );
-#else /* CONFIG_64BIT */
- asm volatile (
- "lghi 0,1 \n\t"
- "llgfr 1,%1 \n\t"
- "llgfr 2,%2 \n\t"
- "siga 0 \n\t"
- "ipm %0 \n\t"
- "srl %0,28 \n\t"
+ asm volatile(
+ " siga 0\n"
+ " ipm %0\n"
+ " srl %0,28\n"
: "=d" (cc)
- : "d" (schid), "d" (mask)
- : "cc", "0", "1", "2", "memory"
- );
-#endif /* CONFIG_64BIT */
-
+ : "d" (reg0), "d" (reg1), "d" (reg2) : "cc", "memory");
return cc;
}
do_siga_output(unsigned long schid, unsigned long mask, __u32 *bb,
unsigned int fc)
{
+ register unsigned long __fc asm("0") = fc;
+ register unsigned long __schid asm("1") = schid;
+ register unsigned long __mask asm("2") = mask;
int cc;
- __u32 busy_bit;
-
-#ifndef CONFIG_64BIT
- asm volatile (
- "lhi 0,0 \n\t"
- "lr 1,%2 \n\t"
- "lr 2,%3 \n\t"
- "siga 0 \n\t"
- "0:"
- "ipm %0 \n\t"
- "srl %0,28 \n\t"
- "srl 0,31 \n\t"
- "lr %1,0 \n\t"
- "1: \n\t"
- ".section .fixup,\"ax\"\n\t"
- "2: \n\t"
- "lhi %0,%4 \n\t"
- "bras 1,3f \n\t"
- ".long 1b \n\t"
- "3: \n\t"
- "l 1,0(1) \n\t"
- "br 1 \n\t"
- ".previous \n\t"
- ".section __ex_table,\"a\"\n\t"
- ".align 4 \n\t"
- ".long 0b,2b \n\t"
- ".previous \n\t"
- : "=d" (cc), "=d" (busy_bit)
- : "d" (schid), "d" (mask),
- "i" (QDIO_SIGA_ERROR_ACCESS_EXCEPTION)
- : "cc", "0", "1", "2", "memory"
- );
-#else /* CONFIG_64BIT */
- asm volatile (
- "llgfr 0,%5 \n\t"
- "lgr 1,%2 \n\t"
- "llgfr 2,%3 \n\t"
- "siga 0 \n\t"
- "0:"
- "ipm %0 \n\t"
- "srl %0,28 \n\t"
- "srl 0,31 \n\t"
- "llgfr %1,0 \n\t"
- "1: \n\t"
- ".section .fixup,\"ax\"\n\t"
- "lghi %0,%4 \n\t"
- "jg 1b \n\t"
- ".previous\n\t"
- ".section __ex_table,\"a\"\n\t"
- ".align 8 \n\t"
- ".quad 0b,1b \n\t"
- ".previous \n\t"
- : "=d" (cc), "=d" (busy_bit)
- : "d" (schid), "d" (mask),
- "i" (QDIO_SIGA_ERROR_ACCESS_EXCEPTION), "d" (fc)
- : "cc", "0", "1", "2", "memory"
- );
-#endif /* CONFIG_64BIT */
-
- (*bb) = busy_bit;
+
+ asm volatile(
+ " siga 0\n"
+ "0: ipm %0\n"
+ " srl %0,28\n"
+ "1:\n"
+ EX_TABLE(0b,1b)
+ : "=d" (cc), "+d" (__fc), "+d" (__schid), "+d" (__mask)
+ : "0" (QDIO_SIGA_ERROR_ACCESS_EXCEPTION)
+ : "cc", "memory");
+ (*bb) = ((unsigned int) __fc) >> 31;
return cc;
}
static inline unsigned long
do_clear_global_summary(void)
{
-
- unsigned long time;
-
-#ifndef CONFIG_64BIT
- asm volatile (
- "lhi 1,3 \n\t"
- ".insn rre,0xb2650000,2,0 \n\t"
- "lr %0,3 \n\t"
- : "=d" (time) : : "cc", "1", "2", "3"
- );
-#else /* CONFIG_64BIT */
- asm volatile (
- "lghi 1,3 \n\t"
- ".insn rre,0xb2650000,2,0 \n\t"
- "lgr %0,3 \n\t"
- : "=d" (time) : : "cc", "1", "2", "3"
- );
-#endif /* CONFIG_64BIT */
-
- return time;
+ register unsigned long __fn asm("1") = 3;
+ register unsigned long __tmp asm("2");
+ register unsigned long __time asm("3");
+
+ asm volatile(
+ " .insn rre,0xb2650000,2,0"
+ : "+d" (__fn), "=d" (__tmp), "=d" (__time));
+ return __time;
}
/*
*
* Returns: return code from CP's IUCV call
*/
-static __inline__ ulong
-b2f0(__u32 code, void *parm)
+static inline ulong b2f0(__u32 code, void *parm)
{
+ register unsigned long reg0 asm ("0");
+ register unsigned long reg1 asm ("1");
iucv_dumpit("iparml before b2f0 call:", parm, sizeof(iucv_param));
- asm volatile (
- "LRA 1,0(%1)\n\t"
- "LR 0,%0\n\t"
- ".long 0xb2f01000"
- :
- : "d" (code), "a" (parm)
- : "0", "1"
- );
+ reg0 = code;
+ reg1 = virt_to_phys(parm);
+ asm volatile(".long 0xb2f01000" : : "d" (reg0), "a" (reg1));
iucv_dumpit("iparml after b2f0 call:", parm, sizeof(iucv_param));
static int
iucv_query_generic(int want_maxconn)
{
+ register unsigned long reg0 asm ("0");
+ register unsigned long reg1 asm ("1");
iparml_purge *parm = (iparml_purge *)grab_param();
int bufsize, maxconn;
int ccode;
* Call b2f0 and store R0 (max buffer size),
* R1 (max connections) and CC.
*/
- asm volatile (
- "LRA 1,0(%4)\n\t"
- "LR 0,%3\n\t"
- ".long 0xb2f01000\n\t"
- "IPM %0\n\t"
- "SRL %0,28\n\t"
- "ST 0,%1\n\t"
- "ST 1,%2\n\t"
- : "=d" (ccode), "=m" (bufsize), "=m" (maxconn)
- : "d" (QUERY), "a" (parm)
- : "0", "1", "cc"
- );
+ reg0 = QUERY;
+ reg1 = virt_to_phys(parm);
+ asm volatile(
+ " .long 0xb2f01000\n"
+ " ipm %0\n"
+ " srl %0,28\n"
+ : "=d" (ccode), "+d" (reg0), "+d" (reg1) : : "cc");
+ bufsize = reg0;
+ maxconn = reg1;
release_param(parm);
if (ccode)
kill_task = 1;
#ifndef CONFIG_64BIT
- asm volatile("ld 0,0(%0)\n"
- "ld 2,8(%0)\n"
- "ld 4,16(%0)\n"
- "ld 6,24(%0)"
- : : "a" (&S390_lowcore.floating_pt_save_area));
+ asm volatile(
+ " ld 0,0(%0)\n"
+ " ld 2,8(%0)\n"
+ " ld 4,16(%0)\n"
+ " ld 6,24(%0)"
+ : : "a" (&S390_lowcore.floating_pt_save_area));
#endif
if (MACHINE_HAS_IEEE) {
* Floating point control register can't be restored.
* Task will be terminated.
*/
- asm volatile ("lfpc 0(%0)" : : "a" (&zero), "m" (zero));
+ asm volatile("lfpc 0(%0)" : : "a" (&zero), "m" (zero));
kill_task = 1;
- }
- else
- asm volatile (
- "lfpc 0(%0)"
- : : "a" (fpt_creg_save_area));
-
- asm volatile("ld 0,0(%0)\n"
- "ld 1,8(%0)\n"
- "ld 2,16(%0)\n"
- "ld 3,24(%0)\n"
- "ld 4,32(%0)\n"
- "ld 5,40(%0)\n"
- "ld 6,48(%0)\n"
- "ld 7,56(%0)\n"
- "ld 8,64(%0)\n"
- "ld 9,72(%0)\n"
- "ld 10,80(%0)\n"
- "ld 11,88(%0)\n"
- "ld 12,96(%0)\n"
- "ld 13,104(%0)\n"
- "ld 14,112(%0)\n"
- "ld 15,120(%0)\n"
- : : "a" (fpt_save_area));
+ } else
+ asm volatile("lfpc 0(%0)" : : "a" (fpt_creg_save_area));
+
+ asm volatile(
+ " ld 0,0(%0)\n"
+ " ld 1,8(%0)\n"
+ " ld 2,16(%0)\n"
+ " ld 3,24(%0)\n"
+ " ld 4,32(%0)\n"
+ " ld 5,40(%0)\n"
+ " ld 6,48(%0)\n"
+ " ld 7,56(%0)\n"
+ " ld 8,64(%0)\n"
+ " ld 9,72(%0)\n"
+ " ld 10,80(%0)\n"
+ " ld 11,88(%0)\n"
+ " ld 12,96(%0)\n"
+ " ld 13,104(%0)\n"
+ " ld 14,112(%0)\n"
+ " ld 15,120(%0)\n"
+ : : "a" (fpt_save_area));
}
/* Revalidate access registers */
- asm volatile("lam 0,15,0(%0)"
- : : "a" (&S390_lowcore.access_regs_save_area));
+ asm volatile(
+ " lam 0,15,0(%0)"
+ : : "a" (&S390_lowcore.access_regs_save_area));
if (!mci->ar)
/*
* Access registers have unknown contents.
s390_handle_damage("invalid control registers.");
else
#ifdef CONFIG_64BIT
- asm volatile("lctlg 0,15,0(%0)"
- : : "a" (&S390_lowcore.cregs_save_area));
+ asm volatile(
+ " lctlg 0,15,0(%0)"
+ : : "a" (&S390_lowcore.cregs_save_area));
#else
- asm volatile("lctl 0,15,0(%0)"
- : : "a" (&S390_lowcore.cregs_save_area));
+ asm volatile(
+ " lctl 0,15,0(%0)"
+ : : "a" (&S390_lowcore.cregs_save_area));
#endif
/*
* old contents (should be zero) otherwise set it to zero.
*/
if (!mci->pr)
- asm volatile("sr 0,0\n"
- "sckpf"
- : : : "0", "cc");
+ asm volatile(
+ " sr 0,0\n"
+ " sckpf"
+ : : : "0", "cc");
else
asm volatile(
- "l 0,0(%0)\n"
- "sckpf"
- : : "a" (&S390_lowcore.tod_progreg_save_area) : "0", "cc");
+ " l 0,0(%0)\n"
+ " sckpf"
+ : : "a" (&S390_lowcore.tod_progreg_save_area)
+ : "0", "cc");
#endif
/* Revalidate clock comparator register */
- asm volatile ("stck 0(%1)\n"
- "sckc 0(%1)"
- : "=m" (tmpclock) : "a" (&(tmpclock)) : "cc", "memory");
+ asm volatile(
+ " stck 0(%1)\n"
+ " sckc 0(%1)"
+ : "=m" (tmpclock) : "a" (&(tmpclock)) : "cc", "memory");
/* Check if old PSW is valid */
if (!mci->wp)
parm_list.product_id_addr = (unsigned long) id;
parm_list.buffer_addr = virt_to_phys(buffer);
asm volatile(
- "diag %1,%0,0xdc"
+ " diag %1,%0,0xdc"
: "=d" (ry)
: "d" (&parm_list), "m" (parm_list), "m" (*id)
: "cc");
#ifdef __KERNEL__
+#if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ > 2)
+
#define __CS_LOOP(ptr, op_val, op_string) ({ \
typeof(ptr->counter) old_val, new_val; \
- __asm__ __volatile__(" l %0,0(%3)\n" \
- "0: lr %1,%0\n" \
- op_string " %1,%4\n" \
- " cs %0,%1,0(%3)\n" \
- " jl 0b" \
- : "=&d" (old_val), "=&d" (new_val), \
- "=m" (((atomic_t *)(ptr))->counter) \
- : "a" (ptr), "d" (op_val), \
- "m" (((atomic_t *)(ptr))->counter) \
- : "cc", "memory" ); \
+ asm volatile( \
+ " l %0,%2\n" \
+ "0: lr %1,%0\n" \
+ op_string " %1,%3\n" \
+ " cs %0,%1,%2\n" \
+ " jl 0b" \
+ : "=&d" (old_val), "=&d" (new_val), \
+ "=Q" (((atomic_t *)(ptr))->counter) \
+ : "d" (op_val), "Q" (((atomic_t *)(ptr))->counter) \
+ : "cc", "memory"); \
new_val; \
})
+
+#else /* __GNUC__ */
+
+#define __CS_LOOP(ptr, op_val, op_string) ({ \
+ typeof(ptr->counter) old_val, new_val; \
+ asm volatile( \
+ " l %0,0(%3)\n" \
+ "0: lr %1,%0\n" \
+ op_string " %1,%4\n" \
+ " cs %0,%1,0(%3)\n" \
+ " jl 0b" \
+ : "=&d" (old_val), "=&d" (new_val), \
+ "=m" (((atomic_t *)(ptr))->counter) \
+ : "a" (ptr), "d" (op_val), \
+ "m" (((atomic_t *)(ptr))->counter) \
+ : "cc", "memory"); \
+ new_val; \
+})
+
+#endif /* __GNUC__ */
+
#define atomic_read(v) ((v)->counter)
#define atomic_set(v,i) (((v)->counter) = (i))
static __inline__ int atomic_cmpxchg(atomic_t *v, int old, int new)
{
- __asm__ __volatile__(" cs %0,%3,0(%2)\n"
- : "+d" (old), "=m" (v->counter)
- : "a" (v), "d" (new), "m" (v->counter)
- : "cc", "memory" );
+#if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ > 2)
+ asm volatile(
+ " cs %0,%2,%1"
+ : "+d" (old), "=Q" (v->counter)
+ : "d" (new), "Q" (v->counter)
+ : "cc", "memory");
+#else /* __GNUC__ */
+ asm volatile(
+ " cs %0,%3,0(%2)"
+ : "+d" (old), "=m" (v->counter)
+ : "a" (v), "d" (new), "m" (v->counter)
+ : "cc", "memory");
+#endif /* __GNUC__ */
return old;
}
} __attribute__ ((aligned (8))) atomic64_t;
#define ATOMIC64_INIT(i) { (i) }
+#if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ > 2)
+
#define __CSG_LOOP(ptr, op_val, op_string) ({ \
typeof(ptr->counter) old_val, new_val; \
- __asm__ __volatile__(" lg %0,0(%3)\n" \
- "0: lgr %1,%0\n" \
- op_string " %1,%4\n" \
- " csg %0,%1,0(%3)\n" \
- " jl 0b" \
- : "=&d" (old_val), "=&d" (new_val), \
- "=m" (((atomic_t *)(ptr))->counter) \
- : "a" (ptr), "d" (op_val), \
- "m" (((atomic_t *)(ptr))->counter) \
- : "cc", "memory" ); \
+ asm volatile( \
+ " lg %0,%2\n" \
+ "0: lgr %1,%0\n" \
+ op_string " %1,%3\n" \
+ " csg %0,%1,%2\n" \
+ " jl 0b" \
+ : "=&d" (old_val), "=&d" (new_val), \
+ "=Q" (((atomic_t *)(ptr))->counter) \
+ : "d" (op_val), "Q" (((atomic_t *)(ptr))->counter) \
+ : "cc", "memory" ); \
new_val; \
})
+
+#else /* __GNUC__ */
+
+#define __CSG_LOOP(ptr, op_val, op_string) ({ \
+ typeof(ptr->counter) old_val, new_val; \
+ asm volatile( \
+ " lg %0,0(%3)\n" \
+ "0: lgr %1,%0\n" \
+ op_string " %1,%4\n" \
+ " csg %0,%1,0(%3)\n" \
+ " jl 0b" \
+ : "=&d" (old_val), "=&d" (new_val), \
+ "=m" (((atomic_t *)(ptr))->counter) \
+ : "a" (ptr), "d" (op_val), \
+ "m" (((atomic_t *)(ptr))->counter) \
+ : "cc", "memory" ); \
+ new_val; \
+})
+
+#endif /* __GNUC__ */
+
#define atomic64_read(v) ((v)->counter)
#define atomic64_set(v,i) (((v)->counter) = (i))
static __inline__ long long atomic64_cmpxchg(atomic64_t *v,
long long old, long long new)
{
- __asm__ __volatile__(" csg %0,%3,0(%2)\n"
- : "+d" (old), "=m" (v->counter)
- : "a" (v), "d" (new), "m" (v->counter)
- : "cc", "memory" );
+#if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ > 2)
+ asm volatile(
+ " csg %0,%2,%1"
+ : "+d" (old), "=Q" (v->counter)
+ : "d" (new), "Q" (v->counter)
+ : "cc", "memory");
+#else /* __GNUC__ */
+ asm volatile(
+ " csg %0,%3,0(%2)"
+ : "+d" (old), "=m" (v->counter)
+ : "a" (v), "d" (new), "m" (v->counter)
+ : "cc", "memory");
+#endif /* __GNUC__ */
return old;
}
#define __BITOPS_AND "nr"
#define __BITOPS_XOR "xr"
-#define __BITOPS_LOOP(__old, __new, __addr, __val, __op_string) \
- __asm__ __volatile__(" l %0,0(%4)\n" \
- "0: lr %1,%0\n" \
- __op_string " %1,%3\n" \
- " cs %0,%1,0(%4)\n" \
- " jl 0b" \
- : "=&d" (__old), "=&d" (__new), \
- "=m" (*(unsigned long *) __addr) \
- : "d" (__val), "a" (__addr), \
- "m" (*(unsigned long *) __addr) : "cc" );
+#if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ > 2)
+
+#define __BITOPS_LOOP(__old, __new, __addr, __val, __op_string) \
+ asm volatile( \
+ " l %0,%2\n" \
+ "0: lr %1,%0\n" \
+ __op_string " %1,%3\n" \
+ " cs %0,%1,%2\n" \
+ " jl 0b" \
+ : "=&d" (__old), "=&d" (__new), \
+ "=Q" (*(unsigned long *) __addr) \
+ : "d" (__val), "Q" (*(unsigned long *) __addr) \
+ : "cc");
+
+#else /* __GNUC__ */
+
+#define __BITOPS_LOOP(__old, __new, __addr, __val, __op_string) \
+ asm volatile( \
+ " l %0,0(%4)\n" \
+ "0: lr %1,%0\n" \
+ __op_string " %1,%3\n" \
+ " cs %0,%1,0(%4)\n" \
+ " jl 0b" \
+ : "=&d" (__old), "=&d" (__new), \
+ "=m" (*(unsigned long *) __addr) \
+ : "d" (__val), "a" (__addr), \
+ "m" (*(unsigned long *) __addr) : "cc");
+
+#endif /* __GNUC__ */
#else /* __s390x__ */
#define __BITOPS_AND "ngr"
#define __BITOPS_XOR "xgr"
-#define __BITOPS_LOOP(__old, __new, __addr, __val, __op_string) \
- __asm__ __volatile__(" lg %0,0(%4)\n" \
- "0: lgr %1,%0\n" \
- __op_string " %1,%3\n" \
- " csg %0,%1,0(%4)\n" \
- " jl 0b" \
- : "=&d" (__old), "=&d" (__new), \
- "=m" (*(unsigned long *) __addr) \
- : "d" (__val), "a" (__addr), \
- "m" (*(unsigned long *) __addr) : "cc" );
+#if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ > 2)
+
+#define __BITOPS_LOOP(__old, __new, __addr, __val, __op_string) \
+ asm volatile( \
+ " lg %0,%2\n" \
+ "0: lgr %1,%0\n" \
+ __op_string " %1,%3\n" \
+ " csg %0,%1,%2\n" \
+ " jl 0b" \
+ : "=&d" (__old), "=&d" (__new), \
+ "=Q" (*(unsigned long *) __addr) \
+ : "d" (__val), "Q" (*(unsigned long *) __addr) \
+ : "cc");
+
+#else /* __GNUC__ */
+
+#define __BITOPS_LOOP(__old, __new, __addr, __val, __op_string) \
+ asm volatile( \
+ " lg %0,0(%4)\n" \
+ "0: lgr %1,%0\n" \
+ __op_string " %1,%3\n" \
+ " csg %0,%1,0(%4)\n" \
+ " jl 0b" \
+ : "=&d" (__old), "=&d" (__new), \
+ "=m" (*(unsigned long *) __addr) \
+ : "d" (__val), "a" (__addr), \
+ "m" (*(unsigned long *) __addr) : "cc");
+
+
+#endif /* __GNUC__ */
#endif /* __s390x__ */
#define __BITOPS_WORDS(bits) (((bits)+__BITOPS_WORDSIZE-1)/__BITOPS_WORDSIZE)
-#define __BITOPS_BARRIER() __asm__ __volatile__ ( "" : : : "memory" )
+#define __BITOPS_BARRIER() asm volatile("" : : : "memory")
#ifdef CONFIG_SMP
/*
unsigned long addr;
addr = (unsigned long) ptr + ((nr ^ (__BITOPS_WORDSIZE - 8)) >> 3);
- asm volatile("oc 0(1,%1),0(%2)"
- : "=m" (*(char *) addr)
- : "a" (addr), "a" (_oi_bitmap + (nr & 7)),
- "m" (*(char *) addr) : "cc" );
+ asm volatile(
+ " oc 0(1,%1),0(%2)"
+ : "=m" (*(char *) addr) : "a" (addr),
+ "a" (_oi_bitmap + (nr & 7)), "m" (*(char *) addr) : "cc" );
}
static inline void
unsigned long addr;
addr = ((unsigned long) ptr) + ((nr ^ (__BITOPS_WORDSIZE - 8)) >> 3);
- switch (nr&7) {
- case 0:
- asm volatile ("oi 0(%1),0x01" : "=m" (*(char *) addr)
- : "a" (addr), "m" (*(char *) addr) : "cc" );
- break;
- case 1:
- asm volatile ("oi 0(%1),0x02" : "=m" (*(char *) addr)
- : "a" (addr), "m" (*(char *) addr) : "cc" );
- break;
- case 2:
- asm volatile ("oi 0(%1),0x04" : "=m" (*(char *) addr)
- : "a" (addr), "m" (*(char *) addr) : "cc" );
- break;
- case 3:
- asm volatile ("oi 0(%1),0x08" : "=m" (*(char *) addr)
- : "a" (addr), "m" (*(char *) addr) : "cc" );
- break;
- case 4:
- asm volatile ("oi 0(%1),0x10" : "=m" (*(char *) addr)
- : "a" (addr), "m" (*(char *) addr) : "cc" );
- break;
- case 5:
- asm volatile ("oi 0(%1),0x20" : "=m" (*(char *) addr)
- : "a" (addr), "m" (*(char *) addr) : "cc" );
- break;
- case 6:
- asm volatile ("oi 0(%1),0x40" : "=m" (*(char *) addr)
- : "a" (addr), "m" (*(char *) addr) : "cc" );
- break;
- case 7:
- asm volatile ("oi 0(%1),0x80" : "=m" (*(char *) addr)
- : "a" (addr), "m" (*(char *) addr) : "cc" );
- break;
- }
+ *(unsigned char *) addr |= 1 << (nr & 7);
}
#define set_bit_simple(nr,addr) \
unsigned long addr;
addr = (unsigned long) ptr + ((nr ^ (__BITOPS_WORDSIZE - 8)) >> 3);
- asm volatile("nc 0(1,%1),0(%2)"
- : "=m" (*(char *) addr)
- : "a" (addr), "a" (_ni_bitmap + (nr & 7)),
- "m" (*(char *) addr) : "cc" );
+ asm volatile(
+ " nc 0(1,%1),0(%2)"
+ : "=m" (*(char *) addr) : "a" (addr),
+ "a" (_ni_bitmap + (nr & 7)), "m" (*(char *) addr) : "cc");
}
static inline void
unsigned long addr;
addr = ((unsigned long) ptr) + ((nr ^ (__BITOPS_WORDSIZE - 8)) >> 3);
- switch (nr&7) {
- case 0:
- asm volatile ("ni 0(%1),0xFE" : "=m" (*(char *) addr)
- : "a" (addr), "m" (*(char *) addr) : "cc" );
- break;
- case 1:
- asm volatile ("ni 0(%1),0xFD": "=m" (*(char *) addr)
- : "a" (addr), "m" (*(char *) addr) : "cc" );
- break;
- case 2:
- asm volatile ("ni 0(%1),0xFB" : "=m" (*(char *) addr)
- : "a" (addr), "m" (*(char *) addr) : "cc" );
- break;
- case 3:
- asm volatile ("ni 0(%1),0xF7" : "=m" (*(char *) addr)
- : "a" (addr), "m" (*(char *) addr) : "cc" );
- break;
- case 4:
- asm volatile ("ni 0(%1),0xEF" : "=m" (*(char *) addr)
- : "a" (addr), "m" (*(char *) addr) : "cc" );
- break;
- case 5:
- asm volatile ("ni 0(%1),0xDF" : "=m" (*(char *) addr)
- : "a" (addr), "m" (*(char *) addr) : "cc" );
- break;
- case 6:
- asm volatile ("ni 0(%1),0xBF" : "=m" (*(char *) addr)
- : "a" (addr), "m" (*(char *) addr) : "cc" );
- break;
- case 7:
- asm volatile ("ni 0(%1),0x7F" : "=m" (*(char *) addr)
- : "a" (addr), "m" (*(char *) addr) : "cc" );
- break;
- }
+ *(unsigned char *) addr &= ~(1 << (nr & 7));
}
#define clear_bit_simple(nr,addr) \
unsigned long addr;
addr = (unsigned long) ptr + ((nr ^ (__BITOPS_WORDSIZE - 8)) >> 3);
- asm volatile("xc 0(1,%1),0(%2)"
- : "=m" (*(char *) addr)
- : "a" (addr), "a" (_oi_bitmap + (nr & 7)),
- "m" (*(char *) addr) : "cc" );
+ asm volatile(
+ " xc 0(1,%1),0(%2)"
+ : "=m" (*(char *) addr) : "a" (addr),
+ "a" (_oi_bitmap + (nr & 7)), "m" (*(char *) addr) : "cc" );
}
static inline void
unsigned long addr;
addr = ((unsigned long) ptr) + ((nr ^ (__BITOPS_WORDSIZE - 8)) >> 3);
- switch (nr&7) {
- case 0:
- asm volatile ("xi 0(%1),0x01" : "=m" (*(char *) addr)
- : "a" (addr), "m" (*(char *) addr) : "cc" );
- break;
- case 1:
- asm volatile ("xi 0(%1),0x02" : "=m" (*(char *) addr)
- : "a" (addr), "m" (*(char *) addr) : "cc" );
- break;
- case 2:
- asm volatile ("xi 0(%1),0x04" : "=m" (*(char *) addr)
- : "a" (addr), "m" (*(char *) addr) : "cc" );
- break;
- case 3:
- asm volatile ("xi 0(%1),0x08" : "=m" (*(char *) addr)
- : "a" (addr), "m" (*(char *) addr) : "cc" );
- break;
- case 4:
- asm volatile ("xi 0(%1),0x10" : "=m" (*(char *) addr)
- : "a" (addr), "m" (*(char *) addr) : "cc" );
- break;
- case 5:
- asm volatile ("xi 0(%1),0x20" : "=m" (*(char *) addr)
- : "a" (addr), "m" (*(char *) addr) : "cc" );
- break;
- case 6:
- asm volatile ("xi 0(%1),0x40" : "=m" (*(char *) addr)
- : "a" (addr), "m" (*(char *) addr) : "cc" );
- break;
- case 7:
- asm volatile ("xi 0(%1),0x80" : "=m" (*(char *) addr)
- : "a" (addr), "m" (*(char *) addr) : "cc" );
- break;
- }
+ *(unsigned char *) addr ^= 1 << (nr & 7);
}
#define change_bit_simple(nr,addr) \
addr = (unsigned long) ptr + ((nr ^ (__BITOPS_WORDSIZE - 8)) >> 3);
ch = *(unsigned char *) addr;
- asm volatile("oc 0(1,%1),0(%2)"
- : "=m" (*(char *) addr)
- : "a" (addr), "a" (_oi_bitmap + (nr & 7)),
- "m" (*(char *) addr) : "cc", "memory" );
+ asm volatile(
+ " oc 0(1,%1),0(%2)"
+ : "=m" (*(char *) addr)
+ : "a" (addr), "a" (_oi_bitmap + (nr & 7)),
+ "m" (*(char *) addr) : "cc", "memory");
return (ch >> (nr & 7)) & 1;
}
#define __test_and_set_bit(X,Y) test_and_set_bit_simple(X,Y)
addr = (unsigned long) ptr + ((nr ^ (__BITOPS_WORDSIZE - 8)) >> 3);
ch = *(unsigned char *) addr;
- asm volatile("nc 0(1,%1),0(%2)"
- : "=m" (*(char *) addr)
- : "a" (addr), "a" (_ni_bitmap + (nr & 7)),
- "m" (*(char *) addr) : "cc", "memory" );
+ asm volatile(
+ " nc 0(1,%1),0(%2)"
+ : "=m" (*(char *) addr)
+ : "a" (addr), "a" (_ni_bitmap + (nr & 7)),
+ "m" (*(char *) addr) : "cc", "memory");
return (ch >> (nr & 7)) & 1;
}
#define __test_and_clear_bit(X,Y) test_and_clear_bit_simple(X,Y)
addr = (unsigned long) ptr + ((nr ^ (__BITOPS_WORDSIZE - 8)) >> 3);
ch = *(unsigned char *) addr;
- asm volatile("xc 0(1,%1),0(%2)"
- : "=m" (*(char *) addr)
- : "a" (addr), "a" (_oi_bitmap + (nr & 7)),
- "m" (*(char *) addr) : "cc", "memory" );
+ asm volatile(
+ " xc 0(1,%1),0(%2)"
+ : "=m" (*(char *) addr)
+ : "a" (addr), "a" (_oi_bitmap + (nr & 7)),
+ "m" (*(char *) addr) : "cc", "memory");
return (ch >> (nr & 7)) & 1;
}
#define __test_and_change_bit(X,Y) test_and_change_bit_simple(X,Y)
if (!size)
return 0;
- __asm__(" lhi %1,-1\n"
- " lr %2,%3\n"
- " slr %0,%0\n"
- " ahi %2,31\n"
- " srl %2,5\n"
- "0: c %1,0(%0,%4)\n"
- " jne 1f\n"
- " la %0,4(%0)\n"
- " brct %2,0b\n"
- " lr %0,%3\n"
- " j 4f\n"
- "1: l %2,0(%0,%4)\n"
- " sll %0,3\n"
- " lhi %1,0xff\n"
- " tml %2,0xffff\n"
- " jno 2f\n"
- " ahi %0,16\n"
- " srl %2,16\n"
- "2: tml %2,0x00ff\n"
- " jno 3f\n"
- " ahi %0,8\n"
- " srl %2,8\n"
- "3: nr %2,%1\n"
- " ic %2,0(%2,%5)\n"
- " alr %0,%2\n"
- "4:"
- : "=&a" (res), "=&d" (cmp), "=&a" (count)
- : "a" (size), "a" (addr), "a" (&_zb_findmap),
- "m" (*(addrtype *) addr) : "cc" );
+ asm volatile(
+ " lhi %1,-1\n"
+ " lr %2,%3\n"
+ " slr %0,%0\n"
+ " ahi %2,31\n"
+ " srl %2,5\n"
+ "0: c %1,0(%0,%4)\n"
+ " jne 1f\n"
+ " la %0,4(%0)\n"
+ " brct %2,0b\n"
+ " lr %0,%3\n"
+ " j 4f\n"
+ "1: l %2,0(%0,%4)\n"
+ " sll %0,3\n"
+ " lhi %1,0xff\n"
+ " tml %2,0xffff\n"
+ " jno 2f\n"
+ " ahi %0,16\n"
+ " srl %2,16\n"
+ "2: tml %2,0x00ff\n"
+ " jno 3f\n"
+ " ahi %0,8\n"
+ " srl %2,8\n"
+ "3: nr %2,%1\n"
+ " ic %2,0(%2,%5)\n"
+ " alr %0,%2\n"
+ "4:"
+ : "=&a" (res), "=&d" (cmp), "=&a" (count)
+ : "a" (size), "a" (addr), "a" (&_zb_findmap),
+ "m" (*(addrtype *) addr) : "cc");
return (res < size) ? res : size;
}
if (!size)
return 0;
- __asm__(" slr %1,%1\n"
- " lr %2,%3\n"
- " slr %0,%0\n"
- " ahi %2,31\n"
- " srl %2,5\n"
- "0: c %1,0(%0,%4)\n"
- " jne 1f\n"
- " la %0,4(%0)\n"
- " brct %2,0b\n"
- " lr %0,%3\n"
- " j 4f\n"
- "1: l %2,0(%0,%4)\n"
- " sll %0,3\n"
- " lhi %1,0xff\n"
- " tml %2,0xffff\n"
- " jnz 2f\n"
- " ahi %0,16\n"
- " srl %2,16\n"
- "2: tml %2,0x00ff\n"
- " jnz 3f\n"
- " ahi %0,8\n"
- " srl %2,8\n"
- "3: nr %2,%1\n"
- " ic %2,0(%2,%5)\n"
- " alr %0,%2\n"
- "4:"
- : "=&a" (res), "=&d" (cmp), "=&a" (count)
- : "a" (size), "a" (addr), "a" (&_sb_findmap),
- "m" (*(addrtype *) addr) : "cc" );
+ asm volatile(
+ " slr %1,%1\n"
+ " lr %2,%3\n"
+ " slr %0,%0\n"
+ " ahi %2,31\n"
+ " srl %2,5\n"
+ "0: c %1,0(%0,%4)\n"
+ " jne 1f\n"
+ " la %0,4(%0)\n"
+ " brct %2,0b\n"
+ " lr %0,%3\n"
+ " j 4f\n"
+ "1: l %2,0(%0,%4)\n"
+ " sll %0,3\n"
+ " lhi %1,0xff\n"
+ " tml %2,0xffff\n"
+ " jnz 2f\n"
+ " ahi %0,16\n"
+ " srl %2,16\n"
+ "2: tml %2,0x00ff\n"
+ " jnz 3f\n"
+ " ahi %0,8\n"
+ " srl %2,8\n"
+ "3: nr %2,%1\n"
+ " ic %2,0(%2,%5)\n"
+ " alr %0,%2\n"
+ "4:"
+ : "=&a" (res), "=&d" (cmp), "=&a" (count)
+ : "a" (size), "a" (addr), "a" (&_sb_findmap),
+ "m" (*(addrtype *) addr) : "cc");
return (res < size) ? res : size;
}
if (!size)
return 0;
- __asm__(" lghi %1,-1\n"
- " lgr %2,%3\n"
- " slgr %0,%0\n"
- " aghi %2,63\n"
- " srlg %2,%2,6\n"
- "0: cg %1,0(%0,%4)\n"
- " jne 1f\n"
- " la %0,8(%0)\n"
- " brct %2,0b\n"
- " lgr %0,%3\n"
- " j 5f\n"
- "1: lg %2,0(%0,%4)\n"
- " sllg %0,%0,3\n"
- " clr %2,%1\n"
- " jne 2f\n"
- " aghi %0,32\n"
- " srlg %2,%2,32\n"
- "2: lghi %1,0xff\n"
- " tmll %2,0xffff\n"
- " jno 3f\n"
- " aghi %0,16\n"
- " srl %2,16\n"
- "3: tmll %2,0x00ff\n"
- " jno 4f\n"
- " aghi %0,8\n"
- " srl %2,8\n"
- "4: ngr %2,%1\n"
- " ic %2,0(%2,%5)\n"
- " algr %0,%2\n"
- "5:"
- : "=&a" (res), "=&d" (cmp), "=&a" (count)
+ asm volatile(
+ " lghi %1,-1\n"
+ " lgr %2,%3\n"
+ " slgr %0,%0\n"
+ " aghi %2,63\n"
+ " srlg %2,%2,6\n"
+ "0: cg %1,0(%0,%4)\n"
+ " jne 1f\n"
+ " la %0,8(%0)\n"
+ " brct %2,0b\n"
+ " lgr %0,%3\n"
+ " j 5f\n"
+ "1: lg %2,0(%0,%4)\n"
+ " sllg %0,%0,3\n"
+ " clr %2,%1\n"
+ " jne 2f\n"
+ " aghi %0,32\n"
+ " srlg %2,%2,32\n"
+ "2: lghi %1,0xff\n"
+ " tmll %2,0xffff\n"
+ " jno 3f\n"
+ " aghi %0,16\n"
+ " srl %2,16\n"
+ "3: tmll %2,0x00ff\n"
+ " jno 4f\n"
+ " aghi %0,8\n"
+ " srl %2,8\n"
+ "4: ngr %2,%1\n"
+ " ic %2,0(%2,%5)\n"
+ " algr %0,%2\n"
+ "5:"
+ : "=&a" (res), "=&d" (cmp), "=&a" (count)
: "a" (size), "a" (addr), "a" (&_zb_findmap),
- "m" (*(addrtype *) addr) : "cc" );
+ "m" (*(addrtype *) addr) : "cc");
return (res < size) ? res : size;
}
if (!size)
return 0;
- __asm__(" slgr %1,%1\n"
- " lgr %2,%3\n"
- " slgr %0,%0\n"
- " aghi %2,63\n"
- " srlg %2,%2,6\n"
- "0: cg %1,0(%0,%4)\n"
- " jne 1f\n"
- " aghi %0,8\n"
- " brct %2,0b\n"
- " lgr %0,%3\n"
- " j 5f\n"
- "1: lg %2,0(%0,%4)\n"
- " sllg %0,%0,3\n"
- " clr %2,%1\n"
- " jne 2f\n"
- " aghi %0,32\n"
- " srlg %2,%2,32\n"
- "2: lghi %1,0xff\n"
- " tmll %2,0xffff\n"
- " jnz 3f\n"
- " aghi %0,16\n"
- " srl %2,16\n"
- "3: tmll %2,0x00ff\n"
- " jnz 4f\n"
- " aghi %0,8\n"
- " srl %2,8\n"
- "4: ngr %2,%1\n"
- " ic %2,0(%2,%5)\n"
- " algr %0,%2\n"
- "5:"
- : "=&a" (res), "=&d" (cmp), "=&a" (count)
+ asm volatile(
+ " slgr %1,%1\n"
+ " lgr %2,%3\n"
+ " slgr %0,%0\n"
+ " aghi %2,63\n"
+ " srlg %2,%2,6\n"
+ "0: cg %1,0(%0,%4)\n"
+ " jne 1f\n"
+ " aghi %0,8\n"
+ " brct %2,0b\n"
+ " lgr %0,%3\n"
+ " j 5f\n"
+ "1: lg %2,0(%0,%4)\n"
+ " sllg %0,%0,3\n"
+ " clr %2,%1\n"
+ " jne 2f\n"
+ " aghi %0,32\n"
+ " srlg %2,%2,32\n"
+ "2: lghi %1,0xff\n"
+ " tmll %2,0xffff\n"
+ " jnz 3f\n"
+ " aghi %0,16\n"
+ " srl %2,16\n"
+ "3: tmll %2,0x00ff\n"
+ " jnz 4f\n"
+ " aghi %0,8\n"
+ " srl %2,8\n"
+ "4: ngr %2,%1\n"
+ " ic %2,0(%2,%5)\n"
+ " algr %0,%2\n"
+ "5:"
+ : "=&a" (res), "=&d" (cmp), "=&a" (count)
: "a" (size), "a" (addr), "a" (&_sb_findmap),
- "m" (*(addrtype *) addr) : "cc" );
+ "m" (*(addrtype *) addr) : "cc");
return (res < size) ? res : size;
}
if (!size)
return 0;
- __asm__(" lhi %1,-1\n"
- " lr %2,%3\n"
- " ahi %2,31\n"
- " srl %2,5\n"
- " slr %0,%0\n"
- "0: cl %1,0(%0,%4)\n"
- " jne 1f\n"
- " ahi %0,4\n"
- " brct %2,0b\n"
- " lr %0,%3\n"
- " j 4f\n"
- "1: l %2,0(%0,%4)\n"
- " sll %0,3\n"
- " ahi %0,24\n"
- " lhi %1,0xff\n"
- " tmh %2,0xffff\n"
- " jo 2f\n"
- " ahi %0,-16\n"
- " srl %2,16\n"
- "2: tml %2,0xff00\n"
- " jo 3f\n"
- " ahi %0,-8\n"
- " srl %2,8\n"
- "3: nr %2,%1\n"
- " ic %2,0(%2,%5)\n"
- " alr %0,%2\n"
- "4:"
- : "=&a" (res), "=&d" (cmp), "=&a" (count)
- : "a" (size), "a" (vaddr), "a" (&_zb_findmap),
- "m" (*(addrtype *) vaddr) : "cc" );
+ asm volatile(
+ " lhi %1,-1\n"
+ " lr %2,%3\n"
+ " ahi %2,31\n"
+ " srl %2,5\n"
+ " slr %0,%0\n"
+ "0: cl %1,0(%0,%4)\n"
+ " jne 1f\n"
+ " ahi %0,4\n"
+ " brct %2,0b\n"
+ " lr %0,%3\n"
+ " j 4f\n"
+ "1: l %2,0(%0,%4)\n"
+ " sll %0,3\n"
+ " ahi %0,24\n"
+ " lhi %1,0xff\n"
+ " tmh %2,0xffff\n"
+ " jo 2f\n"
+ " ahi %0,-16\n"
+ " srl %2,16\n"
+ "2: tml %2,0xff00\n"
+ " jo 3f\n"
+ " ahi %0,-8\n"
+ " srl %2,8\n"
+ "3: nr %2,%1\n"
+ " ic %2,0(%2,%5)\n"
+ " alr %0,%2\n"
+ "4:"
+ : "=&a" (res), "=&d" (cmp), "=&a" (count)
+ : "a" (size), "a" (vaddr), "a" (&_zb_findmap),
+ "m" (*(addrtype *) vaddr) : "cc");
return (res < size) ? res : size;
}
if (!size)
return 0;
- __asm__(" lghi %1,-1\n"
- " lgr %2,%3\n"
- " aghi %2,63\n"
- " srlg %2,%2,6\n"
- " slgr %0,%0\n"
- "0: clg %1,0(%0,%4)\n"
- " jne 1f\n"
- " aghi %0,8\n"
- " brct %2,0b\n"
- " lgr %0,%3\n"
- " j 5f\n"
- "1: cl %1,0(%0,%4)\n"
- " jne 2f\n"
- " aghi %0,4\n"
- "2: l %2,0(%0,%4)\n"
- " sllg %0,%0,3\n"
- " aghi %0,24\n"
- " lghi %1,0xff\n"
- " tmlh %2,0xffff\n"
- " jo 3f\n"
- " aghi %0,-16\n"
- " srl %2,16\n"
- "3: tmll %2,0xff00\n"
- " jo 4f\n"
- " aghi %0,-8\n"
- " srl %2,8\n"
- "4: ngr %2,%1\n"
- " ic %2,0(%2,%5)\n"
- " algr %0,%2\n"
- "5:"
- : "=&a" (res), "=&d" (cmp), "=&a" (count)
+ asm volatile(
+ " lghi %1,-1\n"
+ " lgr %2,%3\n"
+ " aghi %2,63\n"
+ " srlg %2,%2,6\n"
+ " slgr %0,%0\n"
+ "0: clg %1,0(%0,%4)\n"
+ " jne 1f\n"
+ " aghi %0,8\n"
+ " brct %2,0b\n"
+ " lgr %0,%3\n"
+ " j 5f\n"
+ "1: cl %1,0(%0,%4)\n"
+ " jne 2f\n"
+ " aghi %0,4\n"
+ "2: l %2,0(%0,%4)\n"
+ " sllg %0,%0,3\n"
+ " aghi %0,24\n"
+ " lghi %1,0xff\n"
+ " tmlh %2,0xffff\n"
+ " jo 3f\n"
+ " aghi %0,-16\n"
+ " srl %2,16\n"
+ "3: tmll %2,0xff00\n"
+ " jo 4f\n"
+ " aghi %0,-8\n"
+ " srl %2,8\n"
+ "4: ngr %2,%1\n"
+ " ic %2,0(%2,%5)\n"
+ " algr %0,%2\n"
+ "5:"
+ : "=&a" (res), "=&d" (cmp), "=&a" (count)
: "a" (size), "a" (vaddr), "a" (&_zb_findmap),
- "m" (*(addrtype *) vaddr) : "cc" );
+ "m" (*(addrtype *) vaddr) : "cc");
return (res < size) ? res : size;
}
p = addr + offset / __BITOPS_WORDSIZE;
if (bit) {
#ifndef __s390x__
- asm(" ic %0,0(%1)\n"
- " icm %0,2,1(%1)\n"
- " icm %0,4,2(%1)\n"
- " icm %0,8,3(%1)"
- : "=&a" (word) : "a" (p), "m" (*p) : "cc" );
+ asm volatile(
+ " ic %0,0(%1)\n"
+ " icm %0,2,1(%1)\n"
+ " icm %0,4,2(%1)\n"
+ " icm %0,8,3(%1)"
+ : "=&a" (word) : "a" (p), "m" (*p) : "cc");
#else
- asm(" lrvg %0,%1" : "=a" (word) : "m" (*p) );
+ asm volatile(
+ " lrvg %0,%1"
+ : "=a" (word) : "m" (*p) );
#endif
/*
* s390 version of ffz returns __BITOPS_WORDSIZE
#ifdef __GNUC__
#ifdef __s390x__
-static __inline__ __u64 ___arch__swab64p(const __u64 *x)
+static inline __u64 ___arch__swab64p(const __u64 *x)
{
__u64 result;
- __asm__ __volatile__ (
- " lrvg %0,%1"
- : "=d" (result) : "m" (*x) );
+ asm volatile("lrvg %0,%1" : "=d" (result) : "m" (*x));
return result;
}
-static __inline__ __u64 ___arch__swab64(__u64 x)
+static inline __u64 ___arch__swab64(__u64 x)
{
__u64 result;
- __asm__ __volatile__ (
- " lrvgr %0,%1"
- : "=d" (result) : "d" (x) );
+ asm volatile("lrvgr %0,%1" : "=d" (result) : "d" (x));
return result;
}
-static __inline__ void ___arch__swab64s(__u64 *x)
+static inline void ___arch__swab64s(__u64 *x)
{
*x = ___arch__swab64p(x);
}
#endif /* __s390x__ */
-static __inline__ __u32 ___arch__swab32p(const __u32 *x)
+static inline __u32 ___arch__swab32p(const __u32 *x)
{
__u32 result;
- __asm__ __volatile__ (
+ asm volatile(
#ifndef __s390x__
- " icm %0,8,3(%1)\n"
- " icm %0,4,2(%1)\n"
- " icm %0,2,1(%1)\n"
- " ic %0,0(%1)"
- : "=&d" (result) : "a" (x), "m" (*x) : "cc" );
+ " icm %0,8,3(%1)\n"
+ " icm %0,4,2(%1)\n"
+ " icm %0,2,1(%1)\n"
+ " ic %0,0(%1)"
+ : "=&d" (result) : "a" (x), "m" (*x) : "cc");
#else /* __s390x__ */
- " lrv %0,%1"
- : "=d" (result) : "m" (*x) );
+ " lrv %0,%1"
+ : "=d" (result) : "m" (*x));
#endif /* __s390x__ */
return result;
}
-static __inline__ __u32 ___arch__swab32(__u32 x)
+static inline __u32 ___arch__swab32(__u32 x)
{
#ifndef __s390x__
return ___arch__swab32p(&x);
#else /* __s390x__ */
__u32 result;
- __asm__ __volatile__ (
- " lrvr %0,%1"
- : "=d" (result) : "d" (x) );
+ asm volatile("lrvr %0,%1" : "=d" (result) : "d" (x));
return result;
#endif /* __s390x__ */
}
{
__u16 result;
- __asm__ __volatile__ (
+ asm volatile(
#ifndef __s390x__
- " icm %0,2,1(%1)\n"
- " ic %0,0(%1)\n"
- : "=&d" (result) : "a" (x), "m" (*x) : "cc" );
+ " icm %0,2,1(%1)\n"
+ " ic %0,0(%1)\n"
+ : "=&d" (result) : "a" (x), "m" (*x) : "cc");
#else /* __s390x__ */
- " lrvh %0,%1"
- : "=d" (result) : "m" (*x) );
+ " lrvh %0,%1"
+ : "=d" (result) : "m" (*x));
#endif /* __s390x__ */
return result;
}
static inline unsigned int
csum_partial(const unsigned char * buff, int len, unsigned int sum)
{
- /*
- * Experiments with ethernet and slip connections show that buf
- * is aligned on either a 2-byte or 4-byte boundary.
- */
-#ifndef __s390x__
- register_pair rp;
-
- rp.subreg.even = (unsigned long) buff;
- rp.subreg.odd = (unsigned long) len;
- __asm__ __volatile__ (
- "0: cksm %0,%1\n" /* do checksum on longs */
- " jo 0b\n"
- : "+&d" (sum), "+&a" (rp) : : "cc", "memory" );
-#else /* __s390x__ */
- __asm__ __volatile__ (
- " lgr 2,%1\n" /* address in gpr 2 */
- " lgfr 3,%2\n" /* length in gpr 3 */
- "0: cksm %0,2\n" /* do checksum on longs */
- " jo 0b\n"
- : "+&d" (sum)
- : "d" (buff), "d" (len)
- : "cc", "memory", "2", "3" );
-#endif /* __s390x__ */
- return sum;
-}
-
-/*
- * csum_partial as an inline function
- */
-static inline unsigned int
-csum_partial_inline(const unsigned char * buff, int len, unsigned int sum)
-{
-#ifndef __s390x__
- register_pair rp;
+ register unsigned long reg2 asm("2") = (unsigned long) buff;
+ register unsigned long reg3 asm("3") = (unsigned long) len;
- rp.subreg.even = (unsigned long) buff;
- rp.subreg.odd = (unsigned long) len;
- __asm__ __volatile__ (
- "0: cksm %0,%1\n" /* do checksum on longs */
- " jo 0b\n"
- : "+&d" (sum), "+&a" (rp) : : "cc", "memory" );
-#else /* __s390x__ */
- __asm__ __volatile__ (
- " lgr 2,%1\n" /* address in gpr 2 */
- " lgfr 3,%2\n" /* length in gpr 3 */
- "0: cksm %0,2\n" /* do checksum on longs */
- " jo 0b\n"
- : "+&d" (sum)
- : "d" (buff), "d" (len)
- : "cc", "memory", "2", "3" );
-#endif /* __s390x__ */
+ asm volatile(
+ "0: cksm %0,%1\n" /* do checksum on longs */
+ " jo 0b\n"
+ : "+d" (sum), "+d" (reg2), "+d" (reg3) : : "cc", "memory");
return sum;
}
csum_partial_copy_nocheck (const char *src, char *dst, int len, unsigned int sum)
{
memcpy(dst,src,len);
- return csum_partial_inline(dst, len, sum);
+ return csum_partial(dst, len, sum);
}
/*
#ifndef __s390x__
register_pair rp;
- __asm__ __volatile__ (
- " slr %N1,%N1\n" /* %0 = H L */
- " lr %1,%0\n" /* %0 = H L, %1 = H L 0 0 */
- " srdl %1,16\n" /* %0 = H L, %1 = 0 H L 0 */
- " alr %1,%N1\n" /* %0 = H L, %1 = L H L 0 */
- " alr %0,%1\n" /* %0 = H+L+C L+H */
- " srl %0,16\n" /* %0 = H+L+C */
- : "+&d" (sum), "=d" (rp) : : "cc" );
+ asm volatile(
+ " slr %N1,%N1\n" /* %0 = H L */
+ " lr %1,%0\n" /* %0 = H L, %1 = H L 0 0 */
+ " srdl %1,16\n" /* %0 = H L, %1 = 0 H L 0 */
+ " alr %1,%N1\n" /* %0 = H L, %1 = L H L 0 */
+ " alr %0,%1\n" /* %0 = H+L+C L+H */
+ " srl %0,16\n" /* %0 = H+L+C */
+ : "+&d" (sum), "=d" (rp) : : "cc");
#else /* __s390x__ */
- __asm__ __volatile__ (
- " sr 3,3\n" /* %0 = H*65536 + L */
- " lr 2,%0\n" /* %0 = H L, R2/R3 = H L / 0 0 */
- " srdl 2,16\n" /* %0 = H L, R2/R3 = 0 H / L 0 */
- " alr 2,3\n" /* %0 = H L, R2/R3 = L H / L 0 */
- " alr %0,2\n" /* %0 = H+L+C L+H */
- " srl %0,16\n" /* %0 = H+L+C */
+ asm volatile(
+ " sr 3,3\n" /* %0 = H*65536 + L */
+ " lr 2,%0\n" /* %0 = H L, 2/3 = H L / 0 0 */
+ " srdl 2,16\n" /* %0 = H L, 2/3 = 0 H / L 0 */
+ " alr 2,3\n" /* %0 = H L, 2/3 = L H / L 0 */
+ " alr %0,2\n" /* %0 = H+L+C L+H */
+ " srl %0,16\n" /* %0 = H+L+C */
: "+&d" (sum) : : "cc", "2", "3");
#endif /* __s390x__ */
return ((unsigned short) ~sum);
static inline unsigned short
ip_fast_csum(unsigned char *iph, unsigned int ihl)
{
- unsigned long sum;
-#ifndef __s390x__
- register_pair rp;
-
- rp.subreg.even = (unsigned long) iph;
- rp.subreg.odd = (unsigned long) ihl*4;
- __asm__ __volatile__ (
- " sr %0,%0\n" /* set sum to zero */
- "0: cksm %0,%1\n" /* do checksum on longs */
- " jo 0b\n"
- : "=&d" (sum), "+&a" (rp) : : "cc", "memory" );
-#else /* __s390x__ */
- __asm__ __volatile__ (
- " slgr %0,%0\n" /* set sum to zero */
- " lgr 2,%1\n" /* address in gpr 2 */
- " lgfr 3,%2\n" /* length in gpr 3 */
- "0: cksm %0,2\n" /* do checksum on ints */
- " jo 0b\n"
- : "=&d" (sum)
- : "d" (iph), "d" (ihl*4)
- : "cc", "memory", "2", "3" );
-#endif /* __s390x__ */
- return csum_fold(sum);
+ return csum_fold(csum_partial(iph, ihl*4, 0));
}
/*
unsigned int sum)
{
#ifndef __s390x__
- __asm__ __volatile__ (
- " alr %0,%1\n" /* sum += saddr */
- " brc 12,0f\n"
- " ahi %0,1\n" /* add carry */
+ asm volatile(
+ " alr %0,%1\n" /* sum += saddr */
+ " brc 12,0f\n"
+ " ahi %0,1\n" /* add carry */
"0:"
- : "+&d" (sum) : "d" (saddr) : "cc" );
- __asm__ __volatile__ (
- " alr %0,%1\n" /* sum += daddr */
- " brc 12,1f\n"
- " ahi %0,1\n" /* add carry */
+ : "+&d" (sum) : "d" (saddr) : "cc");
+ asm volatile(
+ " alr %0,%1\n" /* sum += daddr */
+ " brc 12,1f\n"
+ " ahi %0,1\n" /* add carry */
"1:"
- : "+&d" (sum) : "d" (daddr) : "cc" );
- __asm__ __volatile__ (
- " alr %0,%1\n" /* sum += (len<<16) + (proto<<8) */
- " brc 12,2f\n"
- " ahi %0,1\n" /* add carry */
+ : "+&d" (sum) : "d" (daddr) : "cc");
+ asm volatile(
+ " alr %0,%1\n" /* sum += (len<<16) + (proto<<8) */
+ " brc 12,2f\n"
+ " ahi %0,1\n" /* add carry */
"2:"
: "+&d" (sum)
: "d" (((unsigned int) len<<16) + (unsigned int) proto)
- : "cc" );
+ : "cc");
#else /* __s390x__ */
- __asm__ __volatile__ (
- " lgfr %0,%0\n"
- " algr %0,%1\n" /* sum += saddr */
- " brc 12,0f\n"
- " aghi %0,1\n" /* add carry */
- "0: algr %0,%2\n" /* sum += daddr */
- " brc 12,1f\n"
- " aghi %0,1\n" /* add carry */
- "1: algfr %0,%3\n" /* sum += (len<<16) + proto */
- " brc 12,2f\n"
- " aghi %0,1\n" /* add carry */
- "2: srlg 0,%0,32\n"
- " alr %0,0\n" /* fold to 32 bits */
- " brc 12,3f\n"
- " ahi %0,1\n" /* add carry */
- "3: llgfr %0,%0"
+ asm volatile(
+ " lgfr %0,%0\n"
+ " algr %0,%1\n" /* sum += saddr */
+ " brc 12,0f\n"
+ " aghi %0,1\n" /* add carry */
+ "0: algr %0,%2\n" /* sum += daddr */
+ " brc 12,1f\n"
+ " aghi %0,1\n" /* add carry */
+ "1: algfr %0,%3\n" /* sum += (len<<16) + proto */
+ " brc 12,2f\n"
+ " aghi %0,1\n" /* add carry */
+ "2: srlg 0,%0,32\n"
+ " alr %0,0\n" /* fold to 32 bits */
+ " brc 12,3f\n"
+ " ahi %0,1\n" /* add carry */
+ "3: llgfr %0,%0"
: "+&d" (sum)
: "d" (saddr), "d" (daddr),
"d" (((unsigned int) len<<16) + (unsigned int) proto)
- : "cc", "0" );
+ : "cc", "0");
#endif /* __s390x__ */
return sum;
}
{
if (nr-- <= 0)
return;
- __asm__ __volatile__(
- " bras 1,1f\n"
- " tr 0(1,%0),0(%2)\n"
- "0: tr 0(256,%0),0(%2)\n"
- " la %0,256(%0)\n"
- "1: ahi %1,-256\n"
- " jnm 0b\n"
- " ex %1,0(1)"
- : "+&a" (addr), "+&a" (nr)
- : "a" (codepage) : "cc", "memory", "1" );
+ asm volatile(
+ " bras 1,1f\n"
+ " tr 0(1,%0),0(%2)\n"
+ "0: tr 0(256,%0),0(%2)\n"
+ " la %0,256(%0)\n"
+ "1: ahi %1,-256\n"
+ " jnm 0b\n"
+ " ex %1,0(1)"
+ : "+&a" (addr), "+&a" (nr)
+ : "a" (codepage) : "cc", "memory", "1");
}
#define ASCEBC(addr,nr) codepage_convert(_ascebc, addr, nr)
static inline unsigned long virt_to_phys(volatile void * address)
{
unsigned long real_address;
- __asm__ (
+ asm volatile(
#ifndef __s390x__
- " lra %0,0(%1)\n"
- " jz 0f\n"
- " sr %0,%0\n"
+ " lra %0,0(%1)\n"
#else /* __s390x__ */
- " lrag %0,0(%1)\n"
- " jz 0f\n"
- " slgr %0,%0\n"
+ " lrag %0,0(%1)\n"
#endif /* __s390x__ */
+ " jz 0f\n"
+ " la %0,0\n"
"0:"
- : "=a" (real_address) : "a" (address) : "cc" );
+ : "=a" (real_address) : "a" (address) : "cc");
return real_address;
}
#ifdef __KERNEL__
+#if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ > 2)
+
+/* store then or system mask. */
+#define __raw_local_irq_stosm(__or) \
+({ \
+ unsigned long __mask; \
+ asm volatile( \
+ " stosm %0,%1" \
+ : "=Q" (__mask) : "i" (__or) : "memory"); \
+ __mask; \
+})
+
+/* store then and system mask. */
+#define __raw_local_irq_stnsm(__and) \
+({ \
+ unsigned long __mask; \
+ asm volatile( \
+ " stnsm %0,%1" \
+ : "=Q" (__mask) : "i" (__and) : "memory"); \
+ __mask; \
+})
+
+/* set system mask. */
+#define __raw_local_irq_ssm(__mask) \
+({ \
+ asm volatile("ssm %0" : : "Q" (__mask) : "memory"); \
+})
+
+#else /* __GNUC__ */
+
+/* store then or system mask. */
+#define __raw_local_irq_stosm(__or) \
+({ \
+ unsigned long __mask; \
+ asm volatile( \
+ " stosm 0(%1),%2" \
+ : "=m" (__mask) \
+ : "a" (&__mask), "i" (__or) : "memory"); \
+ __mask; \
+})
+
+/* store then and system mask. */
+#define __raw_local_irq_stnsm(__and) \
+({ \
+ unsigned long __mask; \
+ asm volatile( \
+ " stnsm 0(%1),%2" \
+ : "=m" (__mask) \
+ : "a" (&__mask), "i" (__and) : "memory"); \
+ __mask; \
+})
+
+/* set system mask. */
+#define __raw_local_irq_ssm(__mask) \
+({ \
+ asm volatile( \
+ " ssm 0(%0)" \
+ : : "a" (&__mask), "m" (__mask) : "memory"); \
+})
+
+#endif /* __GNUC__ */
+
/* interrupt control.. */
-#define raw_local_irq_enable() ({ \
- unsigned long __dummy; \
- __asm__ __volatile__ ( \
- "stosm 0(%1),0x03" \
- : "=m" (__dummy) : "a" (&__dummy) : "memory" ); \
- })
-
-#define raw_local_irq_disable() ({ \
- unsigned long __flags; \
- __asm__ __volatile__ ( \
- "stnsm 0(%1),0xfc" : "=m" (__flags) : "a" (&__flags) ); \
- __flags; \
- })
-
-#define raw_local_save_flags(x) \
-do { \
- typecheck(unsigned long, x); \
- __asm__ __volatile__("stosm 0(%1),0" : "=m" (x) : "a" (&x), "m" (x) ); \
-} while (0)
+static inline unsigned long raw_local_irq_enable(void)
+{
+ return __raw_local_irq_stosm(0x03);
+}
-#define raw_local_irq_restore(x) \
-do { \
- typecheck(unsigned long, x); \
- __asm__ __volatile__("ssm 0(%0)" : : "a" (&x), "m" (x) : "memory"); \
+static inline unsigned long raw_local_irq_disable(void)
+{
+ return __raw_local_irq_stnsm(0xfc);
+}
+
+#define raw_local_save_flags(x) \
+do { \
+ typecheck(unsigned long, x); \
+ (x) = __raw_local_irq_stosm(0x00); \
} while (0)
-#define raw_irqs_disabled() \
-({ \
- unsigned long flags; \
- raw_local_save_flags(flags); \
- !((flags >> __FLAG_SHIFT) & 3); \
-})
+static inline void raw_local_irq_restore(unsigned long flags)
+{
+ __raw_local_irq_ssm(flags);
+}
static inline int raw_irqs_disabled_flags(unsigned long flags)
{
- return !((flags >> __FLAG_SHIFT) & 3);
+ return !(flags & (3UL << (BITS_PER_LONG - 8)));
}
/* For spinlocks etc */
static inline void set_prefix(__u32 address)
{
- __asm__ __volatile__ ("spx %0" : : "m" (address) : "memory" );
+ asm volatile("spx %0" : : "m" (address) : "memory");
}
#define __PANIC_MAGIC 0xDEADC0DE
#include <asm/setup.h>
#ifndef __ASSEMBLY__
-#ifndef __s390x__
-
-static inline void clear_page(void *page)
-{
- register_pair rp;
-
- rp.subreg.even = (unsigned long) page;
- rp.subreg.odd = (unsigned long) 4096;
- asm volatile (" slr 1,1\n"
- " mvcl %0,0"
- : "+&a" (rp) : : "memory", "cc", "1" );
-}
-
-static inline void copy_page(void *to, void *from)
-{
- if (MACHINE_HAS_MVPG)
- asm volatile (" sr 0,0\n"
- " mvpg %0,%1"
- : : "a" ((void *)(to)), "a" ((void *)(from))
- : "memory", "cc", "0" );
- else
- asm volatile (" mvc 0(256,%0),0(%1)\n"
- " mvc 256(256,%0),256(%1)\n"
- " mvc 512(256,%0),512(%1)\n"
- " mvc 768(256,%0),768(%1)\n"
- " mvc 1024(256,%0),1024(%1)\n"
- " mvc 1280(256,%0),1280(%1)\n"
- " mvc 1536(256,%0),1536(%1)\n"
- " mvc 1792(256,%0),1792(%1)\n"
- " mvc 2048(256,%0),2048(%1)\n"
- " mvc 2304(256,%0),2304(%1)\n"
- " mvc 2560(256,%0),2560(%1)\n"
- " mvc 2816(256,%0),2816(%1)\n"
- " mvc 3072(256,%0),3072(%1)\n"
- " mvc 3328(256,%0),3328(%1)\n"
- " mvc 3584(256,%0),3584(%1)\n"
- " mvc 3840(256,%0),3840(%1)\n"
- : : "a"((void *)(to)),"a"((void *)(from))
- : "memory" );
-}
-
-#else /* __s390x__ */
-
static inline void clear_page(void *page)
{
- asm volatile (" lgr 2,%0\n"
- " lghi 3,4096\n"
- " slgr 1,1\n"
- " mvcl 2,0"
- : : "a" ((void *) (page))
- : "memory", "cc", "1", "2", "3" );
+ register unsigned long reg1 asm ("1") = 0;
+ register void *reg2 asm ("2") = page;
+ register unsigned long reg3 asm ("3") = 4096;
+ asm volatile(
+ " mvcl 2,0"
+ : "+d" (reg2), "+d" (reg3) : "d" (reg1) : "memory", "cc");
}
static inline void copy_page(void *to, void *from)
{
- if (MACHINE_HAS_MVPG)
- asm volatile (" sgr 0,0\n"
- " mvpg %0,%1"
- : : "a" ((void *)(to)), "a" ((void *)(from))
- : "memory", "cc", "0" );
- else
- asm volatile (" mvc 0(256,%0),0(%1)\n"
- " mvc 256(256,%0),256(%1)\n"
- " mvc 512(256,%0),512(%1)\n"
- " mvc 768(256,%0),768(%1)\n"
- " mvc 1024(256,%0),1024(%1)\n"
- " mvc 1280(256,%0),1280(%1)\n"
- " mvc 1536(256,%0),1536(%1)\n"
- " mvc 1792(256,%0),1792(%1)\n"
- " mvc 2048(256,%0),2048(%1)\n"
- " mvc 2304(256,%0),2304(%1)\n"
- " mvc 2560(256,%0),2560(%1)\n"
- " mvc 2816(256,%0),2816(%1)\n"
- " mvc 3072(256,%0),3072(%1)\n"
- " mvc 3328(256,%0),3328(%1)\n"
- " mvc 3584(256,%0),3584(%1)\n"
- " mvc 3840(256,%0),3840(%1)\n"
- : : "a"((void *)(to)),"a"((void *)(from))
- : "memory" );
+ if (MACHINE_HAS_MVPG) {
+ register unsigned long reg0 asm ("0") = 0;
+ asm volatile(
+ " mvpg %0,%1"
+ : : "a" (to), "a" (from), "d" (reg0)
+ : "memory", "cc");
+ } else
+ asm volatile(
+ " mvc 0(256,%0),0(%1)\n"
+ " mvc 256(256,%0),256(%1)\n"
+ " mvc 512(256,%0),512(%1)\n"
+ " mvc 768(256,%0),768(%1)\n"
+ " mvc 1024(256,%0),1024(%1)\n"
+ " mvc 1280(256,%0),1280(%1)\n"
+ " mvc 1536(256,%0),1536(%1)\n"
+ " mvc 1792(256,%0),1792(%1)\n"
+ " mvc 2048(256,%0),2048(%1)\n"
+ " mvc 2304(256,%0),2304(%1)\n"
+ " mvc 2560(256,%0),2560(%1)\n"
+ " mvc 2816(256,%0),2816(%1)\n"
+ " mvc 3072(256,%0),3072(%1)\n"
+ " mvc 3328(256,%0),3328(%1)\n"
+ " mvc 3584(256,%0),3584(%1)\n"
+ " mvc 3840(256,%0),3840(%1)\n"
+ : : "a" (to), "a" (from) : "memory");
}
-#endif /* __s390x__ */
-
#define clear_user_page(page, vaddr, pg) clear_page(page)
#define copy_user_page(to, from, vaddr, pg) copy_page(to, from)
static inline void
page_set_storage_key(unsigned long addr, unsigned int skey)
{
- asm volatile ( "sske %0,%1" : : "d" (skey), "a" (addr) );
+ asm volatile("sske %0,%1" : : "d" (skey), "a" (addr));
}
static inline unsigned int
{
unsigned int skey;
- asm volatile ( "iske %0,%1" : "=d" (skey) : "a" (addr), "0" (0) );
-
+ asm volatile("iske %0,%1" : "=d" (skey) : "a" (addr), "0" (0));
return skey;
}
/* ipte in zarch mode can do the math */
pte_t *pto = ptep;
#endif
- asm volatile ("ipte %2,%3"
- : "=m" (*ptep) : "m" (*ptep),
- "a" (pto), "a" (address) );
+ asm volatile(
+ " ipte %2,%3"
+ : "=m" (*ptep) : "m" (*ptep),
+ "a" (pto), "a" (address));
}
pte_val(*ptep) = _PAGE_TYPE_EMPTY;
}
/*
* Test and clear referenced bit in storage key.
*/
-#define page_test_and_clear_young(page) \
-({ \
- struct page *__page = (page); \
- unsigned long __physpage = __pa((__page-mem_map) << PAGE_SHIFT); \
- int __ccode; \
- asm volatile ("rrbe 0,%1\n\t" \
- "ipm %0\n\t" \
- "srl %0,28\n\t" \
- : "=d" (__ccode) : "a" (__physpage) : "cc" ); \
- (__ccode & 2); \
+#define page_test_and_clear_young(page) \
+({ \
+ struct page *__page = (page); \
+ unsigned long __physpage = __pa((__page-mem_map) << PAGE_SHIFT);\
+ int __ccode; \
+ asm volatile( \
+ " rrbe 0,%1\n" \
+ " ipm %0\n" \
+ " srl %0,28\n" \
+ : "=d" (__ccode) : "a" (__physpage) : "cc"); \
+ (__ccode & 2); \
})
/*
#ifndef __ASM_S390_PROCESSOR_H
#define __ASM_S390_PROCESSOR_H
-#include <asm/page.h>
#include <asm/ptrace.h>
#ifdef __KERNEL__
* Default implementation of macro that returns current
* instruction pointer ("program counter").
*/
-#define current_text_addr() ({ void *pc; __asm__("basr %0,0":"=a"(pc)); pc; })
+#define current_text_addr() ({ void *pc; asm("basr %0,0" : "=a" (pc)); pc; })
/*
* CPU type and hardware bug flags. Kept separately for each CPU.
static inline void cpu_relax(void)
{
if (MACHINE_HAS_DIAG44)
- asm volatile ("diag 0,0,68" : : : "memory");
+ asm volatile("diag 0,0,68" : : : "memory");
else
barrier();
}
static inline void __load_psw(psw_t psw)
{
#ifndef __s390x__
- asm volatile ("lpsw 0(%0)" : : "a" (&psw), "m" (psw) : "cc" );
+ asm volatile("lpsw 0(%0)" : : "a" (&psw), "m" (psw) : "cc");
#else
- asm volatile ("lpswe 0(%0)" : : "a" (&psw), "m" (psw) : "cc" );
+ asm volatile("lpswe 0(%0)" : : "a" (&psw), "m" (psw) : "cc");
#endif
}
psw.mask = mask;
#ifndef __s390x__
- asm volatile (
- " basr %0,0\n"
- "0: ahi %0,1f-0b\n"
- " st %0,4(%1)\n"
- " lpsw 0(%1)\n"
+ asm volatile(
+ " basr %0,0\n"
+ "0: ahi %0,1f-0b\n"
+ " st %0,4(%1)\n"
+ " lpsw 0(%1)\n"
"1:"
- : "=&d" (addr) : "a" (&psw), "m" (psw) : "memory", "cc" );
+ : "=&d" (addr) : "a" (&psw), "m" (psw) : "memory", "cc");
#else /* __s390x__ */
- asm volatile (
- " larl %0,1f\n"
- " stg %0,8(%1)\n"
- " lpswe 0(%1)\n"
+ asm volatile(
+ " larl %0,1f\n"
+ " stg %0,8(%1)\n"
+ " lpswe 0(%1)\n"
"1:"
- : "=&d" (addr) : "a" (&psw), "m" (psw) : "memory", "cc" );
+ : "=&d" (addr) : "a" (&psw), "m" (psw) : "memory", "cc");
#endif /* __s390x__ */
}
* the processor is dead afterwards
*/
#ifndef __s390x__
- asm volatile (" stctl 0,0,0(%2)\n"
- " ni 0(%2),0xef\n" /* switch off protection */
- " lctl 0,0,0(%2)\n"
- " stpt 0xd8\n" /* store timer */
- " stckc 0xe0\n" /* store clock comparator */
- " stpx 0x108\n" /* store prefix register */
- " stam 0,15,0x120\n" /* store access registers */
- " std 0,0x160\n" /* store f0 */
- " std 2,0x168\n" /* store f2 */
- " std 4,0x170\n" /* store f4 */
- " std 6,0x178\n" /* store f6 */
- " stm 0,15,0x180\n" /* store general registers */
- " stctl 0,15,0x1c0\n" /* store control registers */
- " oi 0x1c0,0x10\n" /* fake protection bit */
- " lpsw 0(%1)"
- : "=m" (ctl_buf)
- : "a" (&dw_psw), "a" (&ctl_buf), "m" (dw_psw) : "cc" );
+ asm volatile(
+ " stctl 0,0,0(%2)\n"
+ " ni 0(%2),0xef\n" /* switch off protection */
+ " lctl 0,0,0(%2)\n"
+ " stpt 0xd8\n" /* store timer */
+ " stckc 0xe0\n" /* store clock comparator */
+ " stpx 0x108\n" /* store prefix register */
+ " stam 0,15,0x120\n" /* store access registers */
+ " std 0,0x160\n" /* store f0 */
+ " std 2,0x168\n" /* store f2 */
+ " std 4,0x170\n" /* store f4 */
+ " std 6,0x178\n" /* store f6 */
+ " stm 0,15,0x180\n" /* store general registers */
+ " stctl 0,15,0x1c0\n" /* store control registers */
+ " oi 0x1c0,0x10\n" /* fake protection bit */
+ " lpsw 0(%1)"
+ : "=m" (ctl_buf)
+ : "a" (&dw_psw), "a" (&ctl_buf), "m" (dw_psw) : "cc");
#else /* __s390x__ */
- asm volatile (" stctg 0,0,0(%2)\n"
- " ni 4(%2),0xef\n" /* switch off protection */
- " lctlg 0,0,0(%2)\n"
- " lghi 1,0x1000\n"
- " stpt 0x328(1)\n" /* store timer */
- " stckc 0x330(1)\n" /* store clock comparator */
- " stpx 0x318(1)\n" /* store prefix register */
- " stam 0,15,0x340(1)\n" /* store access registers */
- " stfpc 0x31c(1)\n" /* store fpu control */
- " std 0,0x200(1)\n" /* store f0 */
- " std 1,0x208(1)\n" /* store f1 */
- " std 2,0x210(1)\n" /* store f2 */
- " std 3,0x218(1)\n" /* store f3 */
- " std 4,0x220(1)\n" /* store f4 */
- " std 5,0x228(1)\n" /* store f5 */
- " std 6,0x230(1)\n" /* store f6 */
- " std 7,0x238(1)\n" /* store f7 */
- " std 8,0x240(1)\n" /* store f8 */
- " std 9,0x248(1)\n" /* store f9 */
- " std 10,0x250(1)\n" /* store f10 */
- " std 11,0x258(1)\n" /* store f11 */
- " std 12,0x260(1)\n" /* store f12 */
- " std 13,0x268(1)\n" /* store f13 */
- " std 14,0x270(1)\n" /* store f14 */
- " std 15,0x278(1)\n" /* store f15 */
- " stmg 0,15,0x280(1)\n" /* store general registers */
- " stctg 0,15,0x380(1)\n" /* store control registers */
- " oi 0x384(1),0x10\n" /* fake protection bit */
- " lpswe 0(%1)"
- : "=m" (ctl_buf)
- : "a" (&dw_psw), "a" (&ctl_buf),
- "m" (dw_psw) : "cc", "0", "1");
+ asm volatile(
+ " stctg 0,0,0(%2)\n"
+ " ni 4(%2),0xef\n" /* switch off protection */
+ " lctlg 0,0,0(%2)\n"
+ " lghi 1,0x1000\n"
+ " stpt 0x328(1)\n" /* store timer */
+ " stckc 0x330(1)\n" /* store clock comparator */
+ " stpx 0x318(1)\n" /* store prefix register */
+ " stam 0,15,0x340(1)\n"/* store access registers */
+ " stfpc 0x31c(1)\n" /* store fpu control */
+ " std 0,0x200(1)\n" /* store f0 */
+ " std 1,0x208(1)\n" /* store f1 */
+ " std 2,0x210(1)\n" /* store f2 */
+ " std 3,0x218(1)\n" /* store f3 */
+ " std 4,0x220(1)\n" /* store f4 */
+ " std 5,0x228(1)\n" /* store f5 */
+ " std 6,0x230(1)\n" /* store f6 */
+ " std 7,0x238(1)\n" /* store f7 */
+ " std 8,0x240(1)\n" /* store f8 */
+ " std 9,0x248(1)\n" /* store f9 */
+ " std 10,0x250(1)\n" /* store f10 */
+ " std 11,0x258(1)\n" /* store f11 */
+ " std 12,0x260(1)\n" /* store f12 */
+ " std 13,0x268(1)\n" /* store f13 */
+ " std 14,0x270(1)\n" /* store f14 */
+ " std 15,0x278(1)\n" /* store f15 */
+ " stmg 0,15,0x280(1)\n"/* store general registers */
+ " stctg 0,15,0x380(1)\n"/* store control registers */
+ " oi 0x384(1),0x10\n"/* fake protection bit */
+ " lpswe 0(%1)"
+ : "=m" (ctl_buf)
+ : "a" (&dw_psw), "a" (&ctl_buf), "m" (dw_psw) : "cc", "0");
#endif /* __s390x__ */
}
static inline void
psw_set_key(unsigned int key)
{
- asm volatile ( "spka 0(%0)" : : "d" (key) );
+ asm volatile("spka 0(%0)" : : "d" (key));
}
#endif /* __ASSEMBLY__ */
{
signed long old, new;
- __asm__ __volatile__(
+ asm volatile(
#ifndef __s390x__
- " l %0,0(%3)\n"
- "0: lr %1,%0\n"
- " ahi %1,%5\n"
- " cs %0,%1,0(%3)\n"
- " jl 0b"
+ " l %0,0(%3)\n"
+ "0: lr %1,%0\n"
+ " ahi %1,%5\n"
+ " cs %0,%1,0(%3)\n"
+ " jl 0b"
#else /* __s390x__ */
- " lg %0,0(%3)\n"
- "0: lgr %1,%0\n"
- " aghi %1,%5\n"
- " csg %0,%1,0(%3)\n"
- " jl 0b"
+ " lg %0,0(%3)\n"
+ "0: lgr %1,%0\n"
+ " aghi %1,%5\n"
+ " csg %0,%1,0(%3)\n"
+ " jl 0b"
#endif /* __s390x__ */
- : "=&d" (old), "=&d" (new), "=m" (sem->count)
+ : "=&d" (old), "=&d" (new), "=m" (sem->count)
: "a" (&sem->count), "m" (sem->count),
- "i" (RWSEM_ACTIVE_READ_BIAS) : "cc", "memory" );
+ "i" (RWSEM_ACTIVE_READ_BIAS) : "cc", "memory");
if (old < 0)
rwsem_down_read_failed(sem);
}
{
signed long old, new;
- __asm__ __volatile__(
+ asm volatile(
#ifndef __s390x__
- " l %0,0(%3)\n"
- "0: ltr %1,%0\n"
- " jm 1f\n"
- " ahi %1,%5\n"
- " cs %0,%1,0(%3)\n"
- " jl 0b\n"
+ " l %0,0(%3)\n"
+ "0: ltr %1,%0\n"
+ " jm 1f\n"
+ " ahi %1,%5\n"
+ " cs %0,%1,0(%3)\n"
+ " jl 0b\n"
"1:"
#else /* __s390x__ */
- " lg %0,0(%3)\n"
- "0: ltgr %1,%0\n"
- " jm 1f\n"
- " aghi %1,%5\n"
- " csg %0,%1,0(%3)\n"
- " jl 0b\n"
+ " lg %0,0(%3)\n"
+ "0: ltgr %1,%0\n"
+ " jm 1f\n"
+ " aghi %1,%5\n"
+ " csg %0,%1,0(%3)\n"
+ " jl 0b\n"
"1:"
#endif /* __s390x__ */
- : "=&d" (old), "=&d" (new), "=m" (sem->count)
+ : "=&d" (old), "=&d" (new), "=m" (sem->count)
: "a" (&sem->count), "m" (sem->count),
- "i" (RWSEM_ACTIVE_READ_BIAS) : "cc", "memory" );
+ "i" (RWSEM_ACTIVE_READ_BIAS) : "cc", "memory");
return old >= 0 ? 1 : 0;
}
signed long old, new, tmp;
tmp = RWSEM_ACTIVE_WRITE_BIAS;
- __asm__ __volatile__(
+ asm volatile(
#ifndef __s390x__
- " l %0,0(%3)\n"
- "0: lr %1,%0\n"
- " a %1,%5\n"
- " cs %0,%1,0(%3)\n"
- " jl 0b"
+ " l %0,0(%3)\n"
+ "0: lr %1,%0\n"
+ " a %1,%5\n"
+ " cs %0,%1,0(%3)\n"
+ " jl 0b"
#else /* __s390x__ */
- " lg %0,0(%3)\n"
- "0: lgr %1,%0\n"
- " ag %1,%5\n"
- " csg %0,%1,0(%3)\n"
- " jl 0b"
+ " lg %0,0(%3)\n"
+ "0: lgr %1,%0\n"
+ " ag %1,%5\n"
+ " csg %0,%1,0(%3)\n"
+ " jl 0b"
#endif /* __s390x__ */
- : "=&d" (old), "=&d" (new), "=m" (sem->count)
+ : "=&d" (old), "=&d" (new), "=m" (sem->count)
: "a" (&sem->count), "m" (sem->count), "m" (tmp)
- : "cc", "memory" );
+ : "cc", "memory");
if (old != 0)
rwsem_down_write_failed(sem);
}
{
signed long old;
- __asm__ __volatile__(
+ asm volatile(
#ifndef __s390x__
- " l %0,0(%2)\n"
- "0: ltr %0,%0\n"
- " jnz 1f\n"
- " cs %0,%4,0(%2)\n"
- " jl 0b\n"
+ " l %0,0(%2)\n"
+ "0: ltr %0,%0\n"
+ " jnz 1f\n"
+ " cs %0,%4,0(%2)\n"
+ " jl 0b\n"
#else /* __s390x__ */
- " lg %0,0(%2)\n"
- "0: ltgr %0,%0\n"
- " jnz 1f\n"
- " csg %0,%4,0(%2)\n"
- " jl 0b\n"
+ " lg %0,0(%2)\n"
+ "0: ltgr %0,%0\n"
+ " jnz 1f\n"
+ " csg %0,%4,0(%2)\n"
+ " jl 0b\n"
#endif /* __s390x__ */
"1:"
- : "=&d" (old), "=m" (sem->count)
+ : "=&d" (old), "=m" (sem->count)
: "a" (&sem->count), "m" (sem->count),
- "d" (RWSEM_ACTIVE_WRITE_BIAS) : "cc", "memory" );
+ "d" (RWSEM_ACTIVE_WRITE_BIAS) : "cc", "memory");
return (old == RWSEM_UNLOCKED_VALUE) ? 1 : 0;
}
{
signed long old, new;
- __asm__ __volatile__(
+ asm volatile(
#ifndef __s390x__
- " l %0,0(%3)\n"
- "0: lr %1,%0\n"
- " ahi %1,%5\n"
- " cs %0,%1,0(%3)\n"
- " jl 0b"
+ " l %0,0(%3)\n"
+ "0: lr %1,%0\n"
+ " ahi %1,%5\n"
+ " cs %0,%1,0(%3)\n"
+ " jl 0b"
#else /* __s390x__ */
- " lg %0,0(%3)\n"
- "0: lgr %1,%0\n"
- " aghi %1,%5\n"
- " csg %0,%1,0(%3)\n"
- " jl 0b"
+ " lg %0,0(%3)\n"
+ "0: lgr %1,%0\n"
+ " aghi %1,%5\n"
+ " csg %0,%1,0(%3)\n"
+ " jl 0b"
#endif /* __s390x__ */
- : "=&d" (old), "=&d" (new), "=m" (sem->count)
+ : "=&d" (old), "=&d" (new), "=m" (sem->count)
: "a" (&sem->count), "m" (sem->count),
"i" (-RWSEM_ACTIVE_READ_BIAS)
- : "cc", "memory" );
+ : "cc", "memory");
if (new < 0)
if ((new & RWSEM_ACTIVE_MASK) == 0)
rwsem_wake(sem);
signed long old, new, tmp;
tmp = -RWSEM_ACTIVE_WRITE_BIAS;
- __asm__ __volatile__(
+ asm volatile(
#ifndef __s390x__
- " l %0,0(%3)\n"
- "0: lr %1,%0\n"
- " a %1,%5\n"
- " cs %0,%1,0(%3)\n"
- " jl 0b"
+ " l %0,0(%3)\n"
+ "0: lr %1,%0\n"
+ " a %1,%5\n"
+ " cs %0,%1,0(%3)\n"
+ " jl 0b"
#else /* __s390x__ */
- " lg %0,0(%3)\n"
- "0: lgr %1,%0\n"
- " ag %1,%5\n"
- " csg %0,%1,0(%3)\n"
- " jl 0b"
+ " lg %0,0(%3)\n"
+ "0: lgr %1,%0\n"
+ " ag %1,%5\n"
+ " csg %0,%1,0(%3)\n"
+ " jl 0b"
#endif /* __s390x__ */
- : "=&d" (old), "=&d" (new), "=m" (sem->count)
+ : "=&d" (old), "=&d" (new), "=m" (sem->count)
: "a" (&sem->count), "m" (sem->count), "m" (tmp)
- : "cc", "memory" );
+ : "cc", "memory");
if (new < 0)
if ((new & RWSEM_ACTIVE_MASK) == 0)
rwsem_wake(sem);
signed long old, new, tmp;
tmp = -RWSEM_WAITING_BIAS;
- __asm__ __volatile__(
+ asm volatile(
#ifndef __s390x__
- " l %0,0(%3)\n"
- "0: lr %1,%0\n"
- " a %1,%5\n"
- " cs %0,%1,0(%3)\n"
- " jl 0b"
+ " l %0,0(%3)\n"
+ "0: lr %1,%0\n"
+ " a %1,%5\n"
+ " cs %0,%1,0(%3)\n"
+ " jl 0b"
#else /* __s390x__ */
- " lg %0,0(%3)\n"
- "0: lgr %1,%0\n"
- " ag %1,%5\n"
- " csg %0,%1,0(%3)\n"
- " jl 0b"
+ " lg %0,0(%3)\n"
+ "0: lgr %1,%0\n"
+ " ag %1,%5\n"
+ " csg %0,%1,0(%3)\n"
+ " jl 0b"
#endif /* __s390x__ */
- : "=&d" (old), "=&d" (new), "=m" (sem->count)
+ : "=&d" (old), "=&d" (new), "=m" (sem->count)
: "a" (&sem->count), "m" (sem->count), "m" (tmp)
- : "cc", "memory" );
+ : "cc", "memory");
if (new > 1)
rwsem_downgrade_wake(sem);
}
{
signed long old, new;
- __asm__ __volatile__(
+ asm volatile(
#ifndef __s390x__
- " l %0,0(%3)\n"
- "0: lr %1,%0\n"
- " ar %1,%5\n"
- " cs %0,%1,0(%3)\n"
- " jl 0b"
+ " l %0,0(%3)\n"
+ "0: lr %1,%0\n"
+ " ar %1,%5\n"
+ " cs %0,%1,0(%3)\n"
+ " jl 0b"
#else /* __s390x__ */
- " lg %0,0(%3)\n"
- "0: lgr %1,%0\n"
- " agr %1,%5\n"
- " csg %0,%1,0(%3)\n"
- " jl 0b"
+ " lg %0,0(%3)\n"
+ "0: lgr %1,%0\n"
+ " agr %1,%5\n"
+ " csg %0,%1,0(%3)\n"
+ " jl 0b"
#endif /* __s390x__ */
- : "=&d" (old), "=&d" (new), "=m" (sem->count)
+ : "=&d" (old), "=&d" (new), "=m" (sem->count)
: "a" (&sem->count), "m" (sem->count), "d" (delta)
- : "cc", "memory" );
+ : "cc", "memory");
}
/*
{
signed long old, new;
- __asm__ __volatile__(
+ asm volatile(
#ifndef __s390x__
- " l %0,0(%3)\n"
- "0: lr %1,%0\n"
- " ar %1,%5\n"
- " cs %0,%1,0(%3)\n"
- " jl 0b"
+ " l %0,0(%3)\n"
+ "0: lr %1,%0\n"
+ " ar %1,%5\n"
+ " cs %0,%1,0(%3)\n"
+ " jl 0b"
#else /* __s390x__ */
- " lg %0,0(%3)\n"
- "0: lgr %1,%0\n"
- " agr %1,%5\n"
- " csg %0,%1,0(%3)\n"
- " jl 0b"
+ " lg %0,0(%3)\n"
+ "0: lgr %1,%0\n"
+ " agr %1,%5\n"
+ " csg %0,%1,0(%3)\n"
+ " jl 0b"
#endif /* __s390x__ */
- : "=&d" (old), "=&d" (new), "=m" (sem->count)
+ : "=&d" (old), "=&d" (new), "=m" (sem->count)
: "a" (&sem->count), "m" (sem->count), "d" (delta)
- : "cc", "memory" );
+ : "cc", "memory");
return new;
}
* sem->count.counter = --new_val;
* In the ppc code this is called atomic_dec_if_positive.
*/
- __asm__ __volatile__ (
- " l %0,0(%3)\n"
- "0: ltr %1,%0\n"
- " jle 1f\n"
- " ahi %1,-1\n"
- " cs %0,%1,0(%3)\n"
- " jl 0b\n"
+ asm volatile(
+ " l %0,0(%3)\n"
+ "0: ltr %1,%0\n"
+ " jle 1f\n"
+ " ahi %1,-1\n"
+ " cs %0,%1,0(%3)\n"
+ " jl 0b\n"
"1:"
: "=&d" (old_val), "=&d" (new_val), "=m" (sem->count.counter)
: "a" (&sem->count.counter), "m" (sem->count.counter)
- : "cc", "memory" );
+ : "cc", "memory");
return old_val <= 0;
}
unsigned int __r2 = (x2) + (y2); \
unsigned int __r1 = (x1); \
unsigned int __r0 = (x0); \
- __asm__ (" alr %2,%3\n" \
- " brc 12,0f\n" \
- " lhi 0,1\n" \
- " alr %1,0\n" \
- " brc 12,0f\n" \
- " alr %0,0\n" \
- "0:" \
- : "+&d" (__r2), "+&d" (__r1), "+&d" (__r0) \
- : "d" (y0), "i" (1) : "cc", "0" ); \
- __asm__ (" alr %1,%2\n" \
- " brc 12,0f\n" \
- " ahi %0,1\n" \
- "0:" \
- : "+&d" (__r2), "+&d" (__r1) \
- : "d" (y1) : "cc" ); \
+ asm volatile( \
+ " alr %2,%3\n" \
+ " brc 12,0f\n" \
+ " lhi 0,1\n" \
+ " alr %1,0\n" \
+ " brc 12,0f\n" \
+ " alr %0,0\n" \
+ "0:" \
+ : "+&d" (__r2), "+&d" (__r1), "+&d" (__r0) \
+ : "d" (y0), "i" (1) : "cc", "0" ); \
+ asm volatile( \
+ " alr %1,%2\n" \
+ " brc 12,0f\n" \
+ " ahi %0,1\n" \
+ "0:" \
+ : "+&d" (__r2), "+&d" (__r1) \
+ : "d" (y1) : "cc"); \
(r2) = __r2; \
(r1) = __r1; \
(r0) = __r0; \
unsigned int __r2 = (x2) - (y2); \
unsigned int __r1 = (x1); \
unsigned int __r0 = (x0); \
- __asm__ (" slr %2,%3\n" \
- " brc 3,0f\n" \
- " lhi 0,1\n" \
- " slr %1,0\n" \
- " brc 3,0f\n" \
- " slr %0,0\n" \
- "0:" \
- : "+&d" (__r2), "+&d" (__r1), "+&d" (__r0) \
- : "d" (y0) : "cc", "0" ); \
- __asm__ (" slr %1,%2\n" \
- " brc 3,0f\n" \
- " ahi %0,-1\n" \
- "0:" \
- : "+&d" (__r2), "+&d" (__r1) \
- : "d" (y1) : "cc" ); \
+ asm volatile( \
+ " slr %2,%3\n" \
+ " brc 3,0f\n" \
+ " lhi 0,1\n" \
+ " slr %1,0\n" \
+ " brc 3,0f\n" \
+ " slr %0,0\n" \
+ "0:" \
+ : "+&d" (__r2), "+&d" (__r1), "+&d" (__r0) \
+ : "d" (y0) : "cc", "0"); \
+ asm volatile( \
+ " slr %1,%2\n" \
+ " brc 3,0f\n" \
+ " ahi %0,-1\n" \
+ "0:" \
+ : "+&d" (__r2), "+&d" (__r1) \
+ : "d" (y1) : "cc"); \
(r2) = __r2; \
(r1) = __r1; \
(r0) = __r0; \
static inline sigp_ccode
signal_processor(__u16 cpu_addr, sigp_order_code order_code)
{
+ register unsigned long reg1 asm ("1") = 0;
sigp_ccode ccode;
- __asm__ __volatile__(
- " sr 1,1\n" /* parameter=0 in gpr 1 */
- " sigp 1,%1,0(%2)\n"
- " ipm %0\n"
- " srl %0,28\n"
- : "=d" (ccode)
- : "d" (__cpu_logical_map[cpu_addr]), "a" (order_code)
- : "cc" , "memory", "1" );
+ asm volatile(
+ " sigp %1,%2,0(%3)\n"
+ " ipm %0\n"
+ " srl %0,28\n"
+ : "=d" (ccode)
+ : "d" (reg1), "d" (__cpu_logical_map[cpu_addr]),
+ "a" (order_code) : "cc" , "memory");
return ccode;
}
* Signal processor with parameter
*/
static inline sigp_ccode
-signal_processor_p(__u32 parameter, __u16 cpu_addr,
- sigp_order_code order_code)
+signal_processor_p(__u32 parameter, __u16 cpu_addr, sigp_order_code order_code)
{
+ register unsigned int reg1 asm ("1") = parameter;
sigp_ccode ccode;
-
- __asm__ __volatile__(
- " lr 1,%1\n" /* parameter in gpr 1 */
- " sigp 1,%2,0(%3)\n"
- " ipm %0\n"
- " srl %0,28\n"
+
+ asm volatile(
+ " sigp %1,%2,0(%3)\n"
+ " ipm %0\n"
+ " srl %0,28\n"
: "=d" (ccode)
- : "d" (parameter), "d" (__cpu_logical_map[cpu_addr]),
- "a" (order_code)
- : "cc" , "memory", "1" );
+ : "d" (reg1), "d" (__cpu_logical_map[cpu_addr]),
+ "a" (order_code) : "cc" , "memory");
return ccode;
}
* Signal processor with parameter and return status
*/
static inline sigp_ccode
-signal_processor_ps(__u32 *statusptr, __u32 parameter,
- __u16 cpu_addr, sigp_order_code order_code)
+signal_processor_ps(__u32 *statusptr, __u32 parameter, __u16 cpu_addr,
+ sigp_order_code order_code)
{
+ register unsigned int reg1 asm ("1") = parameter;
sigp_ccode ccode;
-
- __asm__ __volatile__(
- " sr 2,2\n" /* clear status */
- " lr 3,%2\n" /* parameter in gpr 3 */
- " sigp 2,%3,0(%4)\n"
- " st 2,%1\n"
- " ipm %0\n"
- " srl %0,28\n"
- : "=d" (ccode), "=m" (*statusptr)
- : "d" (parameter), "d" (__cpu_logical_map[cpu_addr]),
- "a" (order_code)
- : "cc" , "memory", "2" , "3"
- );
- return ccode;
+
+ asm volatile(
+ " sigp %1,%2,0(%3)\n"
+ " ipm %0\n"
+ " srl %0,28\n"
+ : "=d" (ccode), "+d" (reg1)
+ : "d" (__cpu_logical_map[cpu_addr]), "a" (order_code)
+ : "cc" , "memory");
+ *statusptr = reg1;
+ return ccode;
}
#endif /* __SIGP__ */
{
__u16 cpu_address;
- __asm__ ("stap %0\n" : "=m" (cpu_address));
+ asm volatile("stap %0" : "=m" (cpu_address));
return cpu_address;
}
#ifndef __ASM_SPINLOCK_H
#define __ASM_SPINLOCK_H
+#if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ > 2)
+
+static inline int
+_raw_compare_and_swap(volatile unsigned int *lock,
+ unsigned int old, unsigned int new)
+{
+ asm volatile(
+ " cs %0,%3,%1"
+ : "=d" (old), "=Q" (*lock)
+ : "0" (old), "d" (new), "Q" (*lock)
+ : "cc", "memory" );
+ return old;
+}
+
+#else /* __GNUC__ */
+
static inline int
_raw_compare_and_swap(volatile unsigned int *lock,
unsigned int old, unsigned int new)
{
- asm volatile ("cs %0,%3,0(%4)"
- : "=d" (old), "=m" (*lock)
- : "0" (old), "d" (new), "a" (lock), "m" (*lock)
- : "cc", "memory" );
+ asm volatile(
+ " cs %0,%3,0(%4)"
+ : "=d" (old), "=m" (*lock)
+ : "0" (old), "d" (new), "a" (lock), "m" (*lock)
+ : "cc", "memory" );
return old;
}
+#endif /* __GNUC__ */
+
/*
* Simple spin lock operations. There are two variants, one clears IRQ's
* on the local processor, one does not.
register int r0 asm("0") = (char) c;
const void *ret = s + n;
- asm volatile ("0: srst %0,%1\n"
- " jo 0b\n"
- " jl 1f\n"
- " la %0,0\n"
- "1:"
- : "+a" (ret), "+&a" (s) : "d" (r0) : "cc" );
+ asm volatile(
+ "0: srst %0,%1\n"
+ " jo 0b\n"
+ " jl 1f\n"
+ " la %0,0\n"
+ "1:"
+ : "+a" (ret), "+&a" (s) : "d" (r0) : "cc");
return (void *) ret;
}
register int r0 asm("0") = (char) c;
const void *ret = s + n;
- asm volatile ("0: srst %0,%1\n"
- " jo 0b\n"
- : "+a" (ret), "+&a" (s) : "d" (r0) : "cc" );
+ asm volatile(
+ "0: srst %0,%1\n"
+ " jo 0b\n"
+ : "+a" (ret), "+&a" (s) : "d" (r0) : "cc");
return (void *) ret;
}
unsigned long dummy;
char *ret = dst;
- asm volatile ("0: srst %0,%1\n"
- " jo 0b\n"
- "1: mvst %0,%2\n"
- " jo 1b"
- : "=&a" (dummy), "+a" (dst), "+a" (src)
- : "d" (r0), "0" (0) : "cc", "memory" );
+ asm volatile(
+ "0: srst %0,%1\n"
+ " jo 0b\n"
+ "1: mvst %0,%2\n"
+ " jo 1b"
+ : "=&a" (dummy), "+a" (dst), "+a" (src)
+ : "d" (r0), "0" (0) : "cc", "memory" );
return ret;
}
register int r0 asm("0") = 0;
char *ret = dst;
- asm volatile ("0: mvst %0,%1\n"
- " jo 0b"
- : "+&a" (dst), "+&a" (src) : "d" (r0)
- : "cc", "memory" );
+ asm volatile(
+ "0: mvst %0,%1\n"
+ " jo 0b"
+ : "+&a" (dst), "+&a" (src) : "d" (r0)
+ : "cc", "memory");
return ret;
}
register unsigned long r0 asm("0") = 0;
const char *tmp = s;
- asm volatile ("0: srst %0,%1\n"
- " jo 0b"
- : "+d" (r0), "+a" (tmp) : : "cc" );
+ asm volatile(
+ "0: srst %0,%1\n"
+ " jo 0b"
+ : "+d" (r0), "+a" (tmp) : : "cc");
return r0 - (unsigned long) s;
}
const char *tmp = s;
const char *end = s + n;
- asm volatile ("0: srst %0,%1\n"
- " jo 0b"
- : "+a" (end), "+a" (tmp) : "d" (r0) : "cc" );
+ asm volatile(
+ "0: srst %0,%1\n"
+ " jo 0b"
+ : "+a" (end), "+a" (tmp) : "d" (r0) : "cc");
return end - s;
}
extern struct task_struct *__switch_to(void *, void *);
-#ifdef __s390x__
-#define __FLAG_SHIFT 56
-#else /* ! __s390x__ */
-#define __FLAG_SHIFT 24
-#endif /* ! __s390x__ */
-
static inline void save_fp_regs(s390_fp_regs *fpregs)
{
- asm volatile (
- " std 0,8(%1)\n"
- " std 2,24(%1)\n"
- " std 4,40(%1)\n"
- " std 6,56(%1)"
- : "=m" (*fpregs) : "a" (fpregs), "m" (*fpregs) : "memory" );
+ asm volatile(
+ " std 0,8(%1)\n"
+ " std 2,24(%1)\n"
+ " std 4,40(%1)\n"
+ " std 6,56(%1)"
+ : "=m" (*fpregs) : "a" (fpregs), "m" (*fpregs) : "memory");
if (!MACHINE_HAS_IEEE)
return;
asm volatile(
- " stfpc 0(%1)\n"
- " std 1,16(%1)\n"
- " std 3,32(%1)\n"
- " std 5,48(%1)\n"
- " std 7,64(%1)\n"
- " std 8,72(%1)\n"
- " std 9,80(%1)\n"
- " std 10,88(%1)\n"
- " std 11,96(%1)\n"
- " std 12,104(%1)\n"
- " std 13,112(%1)\n"
- " std 14,120(%1)\n"
- " std 15,128(%1)\n"
- : "=m" (*fpregs) : "a" (fpregs), "m" (*fpregs) : "memory" );
+ " stfpc 0(%1)\n"
+ " std 1,16(%1)\n"
+ " std 3,32(%1)\n"
+ " std 5,48(%1)\n"
+ " std 7,64(%1)\n"
+ " std 8,72(%1)\n"
+ " std 9,80(%1)\n"
+ " std 10,88(%1)\n"
+ " std 11,96(%1)\n"
+ " std 12,104(%1)\n"
+ " std 13,112(%1)\n"
+ " std 14,120(%1)\n"
+ " std 15,128(%1)\n"
+ : "=m" (*fpregs) : "a" (fpregs), "m" (*fpregs) : "memory");
}
static inline void restore_fp_regs(s390_fp_regs *fpregs)
{
- asm volatile (
- " ld 0,8(%0)\n"
- " ld 2,24(%0)\n"
- " ld 4,40(%0)\n"
- " ld 6,56(%0)"
- : : "a" (fpregs), "m" (*fpregs) );
+ asm volatile(
+ " ld 0,8(%0)\n"
+ " ld 2,24(%0)\n"
+ " ld 4,40(%0)\n"
+ " ld 6,56(%0)"
+ : : "a" (fpregs), "m" (*fpregs));
if (!MACHINE_HAS_IEEE)
return;
asm volatile(
- " lfpc 0(%0)\n"
- " ld 1,16(%0)\n"
- " ld 3,32(%0)\n"
- " ld 5,48(%0)\n"
- " ld 7,64(%0)\n"
- " ld 8,72(%0)\n"
- " ld 9,80(%0)\n"
- " ld 10,88(%0)\n"
- " ld 11,96(%0)\n"
- " ld 12,104(%0)\n"
- " ld 13,112(%0)\n"
- " ld 14,120(%0)\n"
- " ld 15,128(%0)\n"
- : : "a" (fpregs), "m" (*fpregs) );
+ " lfpc 0(%0)\n"
+ " ld 1,16(%0)\n"
+ " ld 3,32(%0)\n"
+ " ld 5,48(%0)\n"
+ " ld 7,64(%0)\n"
+ " ld 8,72(%0)\n"
+ " ld 9,80(%0)\n"
+ " ld 10,88(%0)\n"
+ " ld 11,96(%0)\n"
+ " ld 12,104(%0)\n"
+ " ld 13,112(%0)\n"
+ " ld 14,120(%0)\n"
+ " ld 15,128(%0)\n"
+ : : "a" (fpregs), "m" (*fpregs));
}
static inline void save_access_regs(unsigned int *acrs)
{
- asm volatile ("stam 0,15,0(%0)" : : "a" (acrs) : "memory" );
+ asm volatile("stam 0,15,0(%0)" : : "a" (acrs) : "memory");
}
static inline void restore_access_regs(unsigned int *acrs)
{
- asm volatile ("lam 0,15,0(%0)" : : "a" (acrs) );
+ asm volatile("lam 0,15,0(%0)" : : "a" (acrs));
}
#define switch_to(prev,next,last) do { \
account_vtime(prev); \
} while (0)
-#define nop() __asm__ __volatile__ ("nop")
+#define nop() asm volatile("nop")
#define xchg(ptr,x) \
({ \
shift = (3 ^ (addr & 3)) << 3;
addr ^= addr & 3;
asm volatile(
- " l %0,0(%4)\n"
- "0: lr 0,%0\n"
- " nr 0,%3\n"
- " or 0,%2\n"
- " cs %0,0,0(%4)\n"
- " jl 0b\n"
+ " l %0,0(%4)\n"
+ "0: lr 0,%0\n"
+ " nr 0,%3\n"
+ " or 0,%2\n"
+ " cs %0,0,0(%4)\n"
+ " jl 0b\n"
: "=&d" (old), "=m" (*(int *) addr)
: "d" (x << shift), "d" (~(255 << shift)), "a" (addr),
- "m" (*(int *) addr) : "memory", "cc", "0" );
+ "m" (*(int *) addr) : "memory", "cc", "0");
x = old >> shift;
break;
case 2:
shift = (2 ^ (addr & 2)) << 3;
addr ^= addr & 2;
asm volatile(
- " l %0,0(%4)\n"
- "0: lr 0,%0\n"
- " nr 0,%3\n"
- " or 0,%2\n"
- " cs %0,0,0(%4)\n"
- " jl 0b\n"
+ " l %0,0(%4)\n"
+ "0: lr 0,%0\n"
+ " nr 0,%3\n"
+ " or 0,%2\n"
+ " cs %0,0,0(%4)\n"
+ " jl 0b\n"
: "=&d" (old), "=m" (*(int *) addr)
: "d" (x << shift), "d" (~(65535 << shift)), "a" (addr),
- "m" (*(int *) addr) : "memory", "cc", "0" );
+ "m" (*(int *) addr) : "memory", "cc", "0");
x = old >> shift;
break;
case 4:
- asm volatile (
- " l %0,0(%3)\n"
- "0: cs %0,%2,0(%3)\n"
- " jl 0b\n"
+ asm volatile(
+ " l %0,0(%3)\n"
+ "0: cs %0,%2,0(%3)\n"
+ " jl 0b\n"
: "=&d" (old), "=m" (*(int *) ptr)
: "d" (x), "a" (ptr), "m" (*(int *) ptr)
- : "memory", "cc" );
+ : "memory", "cc");
x = old;
break;
#ifdef __s390x__
case 8:
- asm volatile (
- " lg %0,0(%3)\n"
- "0: csg %0,%2,0(%3)\n"
- " jl 0b\n"
+ asm volatile(
+ " lg %0,0(%3)\n"
+ "0: csg %0,%2,0(%3)\n"
+ " jl 0b\n"
: "=&d" (old), "=m" (*(long *) ptr)
: "d" (x), "a" (ptr), "m" (*(long *) ptr)
- : "memory", "cc" );
+ : "memory", "cc");
x = old;
break;
#endif /* __s390x__ */
shift = (3 ^ (addr & 3)) << 3;
addr ^= addr & 3;
asm volatile(
- " l %0,0(%4)\n"
- "0: nr %0,%5\n"
- " lr %1,%0\n"
- " or %0,%2\n"
- " or %1,%3\n"
- " cs %0,%1,0(%4)\n"
- " jnl 1f\n"
- " xr %1,%0\n"
- " nr %1,%5\n"
- " jnz 0b\n"
+ " l %0,0(%4)\n"
+ "0: nr %0,%5\n"
+ " lr %1,%0\n"
+ " or %0,%2\n"
+ " or %1,%3\n"
+ " cs %0,%1,0(%4)\n"
+ " jnl 1f\n"
+ " xr %1,%0\n"
+ " nr %1,%5\n"
+ " jnz 0b\n"
"1:"
: "=&d" (prev), "=&d" (tmp)
: "d" (old << shift), "d" (new << shift), "a" (ptr),
"d" (~(255 << shift))
- : "memory", "cc" );
+ : "memory", "cc");
return prev >> shift;
case 2:
addr = (unsigned long) ptr;
shift = (2 ^ (addr & 2)) << 3;
addr ^= addr & 2;
asm volatile(
- " l %0,0(%4)\n"
- "0: nr %0,%5\n"
- " lr %1,%0\n"
- " or %0,%2\n"
- " or %1,%3\n"
- " cs %0,%1,0(%4)\n"
- " jnl 1f\n"
- " xr %1,%0\n"
- " nr %1,%5\n"
- " jnz 0b\n"
+ " l %0,0(%4)\n"
+ "0: nr %0,%5\n"
+ " lr %1,%0\n"
+ " or %0,%2\n"
+ " or %1,%3\n"
+ " cs %0,%1,0(%4)\n"
+ " jnl 1f\n"
+ " xr %1,%0\n"
+ " nr %1,%5\n"
+ " jnz 0b\n"
"1:"
: "=&d" (prev), "=&d" (tmp)
: "d" (old << shift), "d" (new << shift), "a" (ptr),
"d" (~(65535 << shift))
- : "memory", "cc" );
+ : "memory", "cc");
return prev >> shift;
case 4:
- asm volatile (
- " cs %0,%2,0(%3)\n"
+ asm volatile(
+ " cs %0,%2,0(%3)\n"
: "=&d" (prev) : "0" (old), "d" (new), "a" (ptr)
- : "memory", "cc" );
+ : "memory", "cc");
return prev;
#ifdef __s390x__
case 8:
- asm volatile (
- " csg %0,%2,0(%3)\n"
+ asm volatile(
+ " csg %0,%2,0(%3)\n"
: "=&d" (prev) : "0" (old), "d" (new), "a" (ptr)
- : "memory", "cc" );
+ : "memory", "cc");
return prev;
#endif /* __s390x__ */
}
* all memory ops have completed wrt other CPU's ( see 7-15 POP DJB ).
*/
-#define eieio() __asm__ __volatile__ ( "bcr 15,0" : : : "memory" )
-# define SYNC_OTHER_CORES(x) eieio()
+#define eieio() asm volatile("bcr 15,0" : : : "memory")
+#define SYNC_OTHER_CORES(x) eieio()
#define mb() eieio()
#define rmb() eieio()
#define wmb() eieio()
#ifdef __s390x__
-#define __ctl_load(array, low, high) ({ \
- typedef struct { char _[sizeof(array)]; } addrtype; \
- __asm__ __volatile__ ( \
- " bras 1,0f\n" \
- " lctlg 0,0,0(%0)\n" \
- "0: ex %1,0(1)" \
- : : "a" (&array), "a" (((low)<<4)+(high)), \
- "m" (*(addrtype *)(array)) : "1" ); \
+#define __ctl_load(array, low, high) ({ \
+ typedef struct { char _[sizeof(array)]; } addrtype; \
+ asm volatile( \
+ " lctlg %1,%2,0(%0)\n" \
+ : : "a" (&array), "i" (low), "i" (high), \
+ "m" (*(addrtype *)(array))); \
})
-#define __ctl_store(array, low, high) ({ \
- typedef struct { char _[sizeof(array)]; } addrtype; \
- __asm__ __volatile__ ( \
- " bras 1,0f\n" \
- " stctg 0,0,0(%1)\n" \
- "0: ex %2,0(1)" \
- : "=m" (*(addrtype *)(array)) \
- : "a" (&array), "a" (((low)<<4)+(high)) : "1" ); \
+#define __ctl_store(array, low, high) ({ \
+ typedef struct { char _[sizeof(array)]; } addrtype; \
+ asm volatile( \
+ " stctg %2,%3,0(%1)\n" \
+ : "=m" (*(addrtype *)(array)) \
+ : "a" (&array), "i" (low), "i" (high)); \
})
-#define __ctl_set_bit(cr, bit) ({ \
- __u8 __dummy[24]; \
- __asm__ __volatile__ ( \
- " bras 1,0f\n" /* skip indirect insns */ \
- " stctg 0,0,0(%1)\n" \
- " lctlg 0,0,0(%1)\n" \
- "0: ex %2,0(1)\n" /* execute stctl */ \
- " lg 0,0(%1)\n" \
- " ogr 0,%3\n" /* set the bit */ \
- " stg 0,0(%1)\n" \
- "1: ex %2,6(1)" /* execute lctl */ \
- : "=m" (__dummy) \
- : "a" ((((unsigned long) &__dummy) + 7) & ~7UL), \
- "a" (cr*17), "a" (1L<<(bit)) \
- : "cc", "0", "1" ); \
- })
-
-#define __ctl_clear_bit(cr, bit) ({ \
- __u8 __dummy[16]; \
- __asm__ __volatile__ ( \
- " bras 1,0f\n" /* skip indirect insns */ \
- " stctg 0,0,0(%1)\n" \
- " lctlg 0,0,0(%1)\n" \
- "0: ex %2,0(1)\n" /* execute stctl */ \
- " lg 0,0(%1)\n" \
- " ngr 0,%3\n" /* set the bit */ \
- " stg 0,0(%1)\n" \
- "1: ex %2,6(1)" /* execute lctl */ \
- : "=m" (__dummy) \
- : "a" ((((unsigned long) &__dummy) + 7) & ~7UL), \
- "a" (cr*17), "a" (~(1L<<(bit))) \
- : "cc", "0", "1" ); \
- })
-
#else /* __s390x__ */
-#define __ctl_load(array, low, high) ({ \
- typedef struct { char _[sizeof(array)]; } addrtype; \
- __asm__ __volatile__ ( \
- " bras 1,0f\n" \
- " lctl 0,0,0(%0)\n" \
- "0: ex %1,0(1)" \
- : : "a" (&array), "a" (((low)<<4)+(high)), \
- "m" (*(addrtype *)(array)) : "1" ); \
- })
+#define __ctl_load(array, low, high) ({ \
+ typedef struct { char _[sizeof(array)]; } addrtype; \
+ asm volatile( \
+ " lctl %1,%2,0(%0)\n" \
+ : : "a" (&array), "i" (low), "i" (high), \
+ "m" (*(addrtype *)(array))); \
+})
-#define __ctl_store(array, low, high) ({ \
- typedef struct { char _[sizeof(array)]; } addrtype; \
- __asm__ __volatile__ ( \
- " bras 1,0f\n" \
- " stctl 0,0,0(%1)\n" \
- "0: ex %2,0(1)" \
- : "=m" (*(addrtype *)(array)) \
- : "a" (&array), "a" (((low)<<4)+(high)): "1" ); \
+#define __ctl_store(array, low, high) ({ \
+ typedef struct { char _[sizeof(array)]; } addrtype; \
+ asm volatile( \
+ " stctl %2,%3,0(%1)\n" \
+ : "=m" (*(addrtype *)(array)) \
+ : "a" (&array), "i" (low), "i" (high)); \
})
-#define __ctl_set_bit(cr, bit) ({ \
- __u8 __dummy[16]; \
- __asm__ __volatile__ ( \
- " bras 1,0f\n" /* skip indirect insns */ \
- " stctl 0,0,0(%1)\n" \
- " lctl 0,0,0(%1)\n" \
- "0: ex %2,0(1)\n" /* execute stctl */ \
- " l 0,0(%1)\n" \
- " or 0,%3\n" /* set the bit */ \
- " st 0,0(%1)\n" \
- "1: ex %2,4(1)" /* execute lctl */ \
- : "=m" (__dummy) \
- : "a" ((((unsigned long) &__dummy) + 7) & ~7UL), \
- "a" (cr*17), "a" (1<<(bit)) \
- : "cc", "0", "1" ); \
- })
-
-#define __ctl_clear_bit(cr, bit) ({ \
- __u8 __dummy[16]; \
- __asm__ __volatile__ ( \
- " bras 1,0f\n" /* skip indirect insns */ \
- " stctl 0,0,0(%1)\n" \
- " lctl 0,0,0(%1)\n" \
- "0: ex %2,0(1)\n" /* execute stctl */ \
- " l 0,0(%1)\n" \
- " nr 0,%3\n" /* set the bit */ \
- " st 0,0(%1)\n" \
- "1: ex %2,4(1)" /* execute lctl */ \
- : "=m" (__dummy) \
- : "a" ((((unsigned long) &__dummy) + 7) & ~7UL), \
- "a" (cr*17), "a" (~(1<<(bit))) \
- : "cc", "0", "1" ); \
- })
#endif /* __s390x__ */
+#define __ctl_set_bit(cr, bit) ({ \
+ unsigned long __dummy; \
+ __ctl_store(__dummy, cr, cr); \
+ __dummy |= 1UL << (bit); \
+ __ctl_load(__dummy, cr, cr); \
+})
+
+#define __ctl_clear_bit(cr, bit) ({ \
+ unsigned long __dummy; \
+ __ctl_store(__dummy, cr, cr); \
+ __dummy &= ~(1UL << (bit)); \
+ __ctl_load(__dummy, cr, cr); \
+})
+
#include <linux/irqflags.h>
/*
static inline void
__set_psw_mask(unsigned long mask)
{
- local_save_flags(mask);
- __load_psw_mask(mask);
+ __load_psw_mask(mask | (__raw_local_irq_stosm(0x00) & ~(-1UL >> 8)));
}
#define local_mcck_enable() __set_psw_mask(PSW_KERNEL_BITS)
typedef unsigned long long cycles_t;
-static inline cycles_t get_cycles(void)
-{
- cycles_t cycles;
-
- __asm__ __volatile__ ("stck 0(%1)" : "=m" (cycles) : "a" (&cycles) : "cc");
- return cycles >> 2;
-}
-
static inline unsigned long long get_clock (void)
{
unsigned long long clk;
- __asm__ __volatile__ ("stck 0(%1)" : "=m" (clk) : "a" (&clk) : "cc");
+#if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ > 2)
+ asm volatile("stck %0" : "=Q" (clk) : : "cc");
+#else /* __GNUC__ */
+ asm volatile("stck 0(%1)" : "=m" (clk) : "a" (&clk) : "cc");
+#endif /* __GNUC__ */
return clk;
}
+static inline cycles_t get_cycles(void)
+{
+ return (cycles_t) get_clock() >> 2;
+}
+
#endif
*/
#define local_flush_tlb() \
-do { __asm__ __volatile__("ptlb": : :"memory"); } while (0)
+do { asm volatile("ptlb": : :"memory"); } while (0)
#ifndef CONFIG_SMP
static inline void global_flush_tlb(void)
{
+ register unsigned long reg2 asm("2");
+ register unsigned long reg3 asm("3");
+ register unsigned long reg4 asm("4");
+ long dummy;
+
#ifndef __s390x__
if (!MACHINE_HAS_CSP) {
smp_ptlb_all();
return;
}
#endif /* __s390x__ */
- {
- register unsigned long addr asm("4");
- long dummy;
-
- dummy = 0;
- addr = ((unsigned long) &dummy) + 1;
- __asm__ __volatile__ (
- " slr 2,2\n"
- " slr 3,3\n"
- " csp 2,%0"
- : : "a" (addr), "m" (dummy) : "cc", "2", "3" );
- }
+
+ dummy = 0;
+ reg2 = reg3 = 0;
+ reg4 = ((unsigned long) &dummy) + 1;
+ asm volatile(
+ " csp %0,%2"
+ : : "d" (reg2), "d" (reg3), "d" (reg4), "m" (dummy) : "cc" );
}
/*
if (unlikely(cpus_empty(mm->cpu_vm_mask)))
return;
if (MACHINE_HAS_IDTE) {
- asm volatile (".insn rrf,0xb98e0000,0,%0,%1,0"
- : : "a" (2048),
- "a" (__pa(mm->pgd)&PAGE_MASK) : "cc" );
+ asm volatile(
+ " .insn rrf,0xb98e0000,0,%0,%1,0"
+ : : "a" (2048), "a" (__pa(mm->pgd)&PAGE_MASK) : "cc");
return;
}
preempt_disable();
#define get_ds() (KERNEL_DS)
#define get_fs() (current->thread.mm_segment)
-#ifdef __s390x__
#define set_fs(x) \
({ \
unsigned long __pto; \
current->thread.mm_segment = (x); \
__pto = current->thread.mm_segment.ar4 ? \
S390_lowcore.user_asce : S390_lowcore.kernel_asce; \
- asm volatile ("lctlg 7,7,%0" : : "m" (__pto) ); \
+ __ctl_load(__pto, 7, 7); \
})
-#else /* __s390x__ */
-#define set_fs(x) \
-({ \
- unsigned long __pto; \
- current->thread.mm_segment = (x); \
- __pto = current->thread.mm_segment.ar4 ? \
- S390_lowcore.user_asce : S390_lowcore.kernel_asce; \
- asm volatile ("lctl 7,7,%0" : : "m" (__pto) ); \
-})
-#endif /* __s390x__ */
#define segment_eq(a,b) ((a).ar4 == (b).ar4)
#define _svc_clobber "1", "cc", "memory"
-#define _syscall0(type,name) \
-type name(void) { \
- register long __svcres asm("2"); \
- long __res; \
- __asm__ __volatile__ ( \
- " .if %1 < 256\n" \
- " svc %b1\n" \
- " .else\n" \
- " la %%r1,%1\n" \
- " svc 0\n" \
- " .endif" \
- : "=d" (__svcres) \
- : "i" (__NR_##name) \
- : _svc_clobber ); \
- __res = __svcres; \
- __syscall_return(type,__res); \
+#define _syscall0(type,name) \
+type name(void) { \
+ register long __svcres asm("2"); \
+ long __res; \
+ asm volatile( \
+ " .if %1 < 256\n" \
+ " svc %b1\n" \
+ " .else\n" \
+ " la %%r1,%1\n" \
+ " svc 0\n" \
+ " .endif" \
+ : "=d" (__svcres) \
+ : "i" (__NR_##name) \
+ : _svc_clobber); \
+ __res = __svcres; \
+ __syscall_return(type,__res); \
}
-#define _syscall1(type,name,type1,arg1) \
-type name(type1 arg1) { \
- register type1 __arg1 asm("2") = arg1; \
- register long __svcres asm("2"); \
- long __res; \
- __asm__ __volatile__ ( \
- " .if %1 < 256\n" \
- " svc %b1\n" \
- " .else\n" \
- " la %%r1,%1\n" \
- " svc 0\n" \
- " .endif" \
- : "=d" (__svcres) \
- : "i" (__NR_##name), \
- "0" (__arg1) \
- : _svc_clobber ); \
- __res = __svcres; \
- __syscall_return(type,__res); \
+#define _syscall1(type,name,type1,arg1) \
+type name(type1 arg1) { \
+ register type1 __arg1 asm("2") = arg1; \
+ register long __svcres asm("2"); \
+ long __res; \
+ asm volatile( \
+ " .if %1 < 256\n" \
+ " svc %b1\n" \
+ " .else\n" \
+ " la %%r1,%1\n" \
+ " svc 0\n" \
+ " .endif" \
+ : "=d" (__svcres) \
+ : "i" (__NR_##name), \
+ "0" (__arg1) \
+ : _svc_clobber); \
+ __res = __svcres; \
+ __syscall_return(type,__res); \
}
-#define _syscall2(type,name,type1,arg1,type2,arg2) \
-type name(type1 arg1, type2 arg2) { \
- register type1 __arg1 asm("2") = arg1; \
- register type2 __arg2 asm("3") = arg2; \
- register long __svcres asm("2"); \
- long __res; \
- __asm__ __volatile__ ( \
- " .if %1 < 256\n" \
- " svc %b1\n" \
- " .else\n" \
- " la %%r1,%1\n" \
- " svc 0\n" \
- " .endif" \
- : "=d" (__svcres) \
- : "i" (__NR_##name), \
- "0" (__arg1), \
- "d" (__arg2) \
- : _svc_clobber ); \
- __res = __svcres; \
- __syscall_return(type,__res); \
+#define _syscall2(type,name,type1,arg1,type2,arg2) \
+type name(type1 arg1, type2 arg2) { \
+ register type1 __arg1 asm("2") = arg1; \
+ register type2 __arg2 asm("3") = arg2; \
+ register long __svcres asm("2"); \
+ long __res; \
+ asm volatile( \
+ " .if %1 < 256\n" \
+ " svc %b1\n" \
+ " .else\n" \
+ " la %%r1,%1\n" \
+ " svc 0\n" \
+ " .endif" \
+ : "=d" (__svcres) \
+ : "i" (__NR_##name), \
+ "0" (__arg1), \
+ "d" (__arg2) \
+ : _svc_clobber ); \
+ __res = __svcres; \
+ __syscall_return(type,__res); \
}
-#define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3)\
-type name(type1 arg1, type2 arg2, type3 arg3) { \
- register type1 __arg1 asm("2") = arg1; \
- register type2 __arg2 asm("3") = arg2; \
- register type3 __arg3 asm("4") = arg3; \
- register long __svcres asm("2"); \
- long __res; \
- __asm__ __volatile__ ( \
- " .if %1 < 256\n" \
- " svc %b1\n" \
- " .else\n" \
- " la %%r1,%1\n" \
- " svc 0\n" \
- " .endif" \
- : "=d" (__svcres) \
- : "i" (__NR_##name), \
- "0" (__arg1), \
- "d" (__arg2), \
- "d" (__arg3) \
- : _svc_clobber ); \
- __res = __svcres; \
- __syscall_return(type,__res); \
+#define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \
+type name(type1 arg1, type2 arg2, type3 arg3) { \
+ register type1 __arg1 asm("2") = arg1; \
+ register type2 __arg2 asm("3") = arg2; \
+ register type3 __arg3 asm("4") = arg3; \
+ register long __svcres asm("2"); \
+ long __res; \
+ asm volatile( \
+ " .if %1 < 256\n" \
+ " svc %b1\n" \
+ " .else\n" \
+ " la %%r1,%1\n" \
+ " svc 0\n" \
+ " .endif" \
+ : "=d" (__svcres) \
+ : "i" (__NR_##name), \
+ "0" (__arg1), \
+ "d" (__arg2), \
+ "d" (__arg3) \
+ : _svc_clobber); \
+ __res = __svcres; \
+ __syscall_return(type,__res); \
}
-#define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,\
- type4,name4) \
-type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4) { \
- register type1 __arg1 asm("2") = arg1; \
- register type2 __arg2 asm("3") = arg2; \
- register type3 __arg3 asm("4") = arg3; \
- register type4 __arg4 asm("5") = arg4; \
- register long __svcres asm("2"); \
- long __res; \
- __asm__ __volatile__ ( \
- " .if %1 < 256\n" \
- " svc %b1\n" \
- " .else\n" \
- " la %%r1,%1\n" \
- " svc 0\n" \
- " .endif" \
- : "=d" (__svcres) \
- : "i" (__NR_##name), \
- "0" (__arg1), \
- "d" (__arg2), \
- "d" (__arg3), \
- "d" (__arg4) \
- : _svc_clobber ); \
- __res = __svcres; \
- __syscall_return(type,__res); \
+#define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3, \
+ type4,name4) \
+type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4) { \
+ register type1 __arg1 asm("2") = arg1; \
+ register type2 __arg2 asm("3") = arg2; \
+ register type3 __arg3 asm("4") = arg3; \
+ register type4 __arg4 asm("5") = arg4; \
+ register long __svcres asm("2"); \
+ long __res; \
+ asm volatile( \
+ " .if %1 < 256\n" \
+ " svc %b1\n" \
+ " .else\n" \
+ " la %%r1,%1\n" \
+ " svc 0\n" \
+ " .endif" \
+ : "=d" (__svcres) \
+ : "i" (__NR_##name), \
+ "0" (__arg1), \
+ "d" (__arg2), \
+ "d" (__arg3), \
+ "d" (__arg4) \
+ : _svc_clobber); \
+ __res = __svcres; \
+ __syscall_return(type,__res); \
}
-#define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,\
- type4,name4,type5,name5) \
-type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, \
- type5 arg5) { \
- register type1 __arg1 asm("2") = arg1; \
- register type2 __arg2 asm("3") = arg2; \
- register type3 __arg3 asm("4") = arg3; \
- register type4 __arg4 asm("5") = arg4; \
- register type5 __arg5 asm("6") = arg5; \
- register long __svcres asm("2"); \
- long __res; \
- __asm__ __volatile__ ( \
- " .if %1 < 256\n" \
- " svc %b1\n" \
- " .else\n" \
- " la %%r1,%1\n" \
- " svc 0\n" \
- " .endif" \
- : "=d" (__svcres) \
- : "i" (__NR_##name), \
- "0" (__arg1), \
- "d" (__arg2), \
- "d" (__arg3), \
- "d" (__arg4), \
- "d" (__arg5) \
- : _svc_clobber ); \
- __res = __svcres; \
- __syscall_return(type,__res); \
+#define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3, \
+ type4,name4,type5,name5) \
+type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, \
+ type5 arg5) { \
+ register type1 __arg1 asm("2") = arg1; \
+ register type2 __arg2 asm("3") = arg2; \
+ register type3 __arg3 asm("4") = arg3; \
+ register type4 __arg4 asm("5") = arg4; \
+ register type5 __arg5 asm("6") = arg5; \
+ register long __svcres asm("2"); \
+ long __res; \
+ asm volatile( \
+ " .if %1 < 256\n" \
+ " svc %b1\n" \
+ " .else\n" \
+ " la %%r1,%1\n" \
+ " svc 0\n" \
+ " .endif" \
+ : "=d" (__svcres) \
+ : "i" (__NR_##name), \
+ "0" (__arg1), \
+ "d" (__arg2), \
+ "d" (__arg3), \
+ "d" (__arg4), \
+ "d" (__arg5) \
+ : _svc_clobber); \
+ __res = __svcres; \
+ __syscall_return(type,__res); \
}
#define __ARCH_WANT_IPC_PARSE_VERSION
git.openpandora.org / pandora-kernel.git / commitdiff