Merge ../linux-2.6

[pandora-kernel.git] / include / asm-powerpc / processor.h

diff --git a/include/asm-powerpc/processor.h b/include/asm-powerpc/processor.h
index d12382d..22e54a2 100644 (file)
--- a/include/asm-powerpc/processor.h
+++ b/include/asm-powerpc/processor.h
@@ -10,7 +10,6 @@
  * 2 of the License, or (at your option) any later version.
  */
 
-#include <linux/config.h>
 #include <asm/reg.h>
 
 #ifndef __ASSEMBLY__
@@ -23,22 +22,6 @@
  * -- BenH.
  */
 
-/* Platforms codes (to be obsoleted) */
-#define PLATFORM_PSERIES       0x0100
-#define PLATFORM_PSERIES_LPAR  0x0101
-#define PLATFORM_ISERIES_LPAR  0x0201
-#define PLATFORM_LPAR          0x0001
-#define PLATFORM_POWERMAC      0x0400
-#define PLATFORM_MAPLE         0x0500
-#define PLATFORM_PREP          0x0600
-#define PLATFORM_CHRP          0x0700
-#define PLATFORM_CELL          0x1000
-
-/* Compat platform codes for 32 bits */
-#define _MACH_prep     PLATFORM_PREP
-#define _MACH_Pmac     PLATFORM_POWERMAC
-#define _MACH_chrp     PLATFORM_CHRP
-
 /* PREP sub-platform types see residual.h for these */
 #define _PREP_Motorola 0x01    /* motorola prep */
 #define _PREP_Firm     0x02    /* firmworks prep */
@@ -50,39 +33,31 @@
 #define _CHRP_IBM      0x05    /* IBM chrp, the longtrail and longtrail 2 */
 #define _CHRP_Pegasos  0x06    /* Genesi/bplan's Pegasos and Pegasos2 */
 
-#define platform_is_pseries()  (_machine == PLATFORM_PSERIES || \
-                                _machine == PLATFORM_PSERIES_LPAR)
-#define platform_is_lpar()     (!!(_machine & PLATFORM_LPAR))
+#if defined(__KERNEL__) && defined(CONFIG_PPC32)
 
-#if defined(CONFIG_PPC_MULTIPLATFORM)
-extern int _machine;
+extern int _chrp_type;
 
-#ifdef CONFIG_PPC32
+#ifdef CONFIG_PPC_PREP
 
 /* what kind of prep workstation we are */
 extern int _prep_type;
-extern int _chrp_type;
 
 /*
  * This is used to identify the board type from a given PReP board
  * vendor. Board revision is also made available. This will be moved
  * elsewhere soon
  */
-extern unsigned char ucSystemType;
 extern unsigned char ucBoardRev;
 extern unsigned char ucBoardRevMaj, ucBoardRevMin;
 
-#endif /* CONFIG_PPC32 */
+#endif /* CONFIG_PPC_PREP */
 
-#elif defined(CONFIG_PPC_ISERIES)
-/*
- * iSeries is soon to become MULTIPLATFORM hopefully ...
- */
-#define _machine PLATFORM_ISERIES_LPAR
-#else
+#ifndef CONFIG_PPC_MULTIPLATFORM
 #define _machine 0
 #endif /* CONFIG_PPC_MULTIPLATFORM */
 
+#endif /* defined(__KERNEL__) && defined(CONFIG_PPC32) */
+
 /*
  * Default implementation of macro that returns current
  * instruction pointer ("program counter").
@@ -174,11 +149,11 @@ struct thread_struct {
                unsigned int val;       /* Floating point status */
        } fpscr;
        int             fpexc_mode;     /* floating-point exception mode */
+       unsigned int    align_ctl;      /* alignment handling control */
 #ifdef CONFIG_PPC64
        unsigned long   start_tb;       /* Start purr when proc switched in */
        unsigned long   accum_tb;       /* Total accumilated purr for process */
 #endif
-       unsigned long   vdso_base;      /* base of the vDSO library */
        unsigned long   dabr;           /* Data address breakpoint register */
 #ifdef CONFIG_ALTIVEC
        /* Complete AltiVec register set */
@@ -215,7 +190,7 @@ struct thread_struct {
        .fs = KERNEL_DS, \
        .fpr = {0}, \
        .fpscr = { .val = 0, }, \
-       .fpexc_mode = MSR_FE0|MSR_FE1, \
+       .fpexc_mode = 0, \
 }
 #endif
 
@@ -237,6 +212,18 @@ unsigned long get_wchan(struct task_struct *p);
 extern int get_fpexc_mode(struct task_struct *tsk, unsigned long adr);
 extern int set_fpexc_mode(struct task_struct *tsk, unsigned int val);
 
+#define GET_ENDIAN(tsk, adr) get_endian((tsk), (adr))
+#define SET_ENDIAN(tsk, val) set_endian((tsk), (val))
+
+extern int get_endian(struct task_struct *tsk, unsigned long adr);
+extern int set_endian(struct task_struct *tsk, unsigned int val);
+
+#define GET_UNALIGN_CTL(tsk, adr)      get_unalign_ctl((tsk), (adr))
+#define SET_UNALIGN_CTL(tsk, val)      set_unalign_ctl((tsk), (val))
+
+extern int get_unalign_ctl(struct task_struct *tsk, unsigned long adr);
+extern int set_unalign_ctl(struct task_struct *tsk, unsigned int val);
+
 static inline unsigned int __unpack_fe01(unsigned long msr_bits)
 {
        return ((msr_bits & MSR_FE0) >> 10) | ((msr_bits & MSR_FE1) >> 8);
@@ -253,6 +240,10 @@ static inline unsigned long __pack_fe01(unsigned int fpmode)
 #define cpu_relax()    barrier()
 #endif
 
+/* Check that a certain kernel stack pointer is valid in task_struct p */
+int validate_sp(unsigned long sp, struct task_struct *p,
+                       unsigned long nbytes);
+
 /*
  * Prefetch macros.
  */