* Copyright (C) 1999, 2000 Silicon Graphics, Inc.
* Copyright (C) 2004 Thiemo Seufer
*/
-#include <linux/config.h>
#include <linux/errno.h>
#include <linux/module.h>
#include <linux/sched.h>
#include <asm/elf.h>
#include <asm/isadep.h>
#include <asm/inst.h>
+#ifdef CONFIG_MIPS_MT_SMTC
+#include <asm/mipsmtregs.h>
+extern void smtc_idle_loop_hook(void);
+#endif /* CONFIG_MIPS_MT_SMTC */
/*
* The idle thread. There's no useful work to be done, so just try to conserve
{
/* endless idle loop with no priority at all */
while (1) {
- while (!need_resched())
+ while (!need_resched()) {
+#ifdef CONFIG_MIPS_MT_SMTC
+ smtc_idle_loop_hook();
+#endif /* CONFIG_MIPS_MT_SMTC */
if (cpu_wait)
(*cpu_wait)();
+ }
preempt_enable_no_resched();
schedule();
preempt_disable();
}
}
-extern void do_signal(struct pt_regs *regs);
-extern void do_signal32(struct pt_regs *regs);
-
/*
* Native o32 and N64 ABI without DSP ASE
*/
-extern int setup_frame(struct k_sigaction * ka, struct pt_regs *regs,
- int signr, sigset_t *set);
-extern int setup_rt_frame(struct k_sigaction * ka, struct pt_regs *regs,
- int signr, sigset_t *set, siginfo_t *info);
-
struct mips_abi mips_abi = {
.do_signal = do_signal,
#ifdef CONFIG_TRAD_SIGNALS
/*
* o32 compatibility on 64-bit kernels, without DSP ASE
*/
-extern int setup_frame_32(struct k_sigaction * ka, struct pt_regs *regs,
- int signr, sigset_t *set);
-extern int setup_rt_frame_32(struct k_sigaction * ka, struct pt_regs *regs,
- int signr, sigset_t *set, siginfo_t *info);
-
struct mips_abi mips_abi_32 = {
.do_signal = do_signal32,
.setup_frame = setup_frame_32,
/*
* N32 on 64-bit kernels, without DSP ASE
*/
-extern int setup_rt_frame_n32(struct k_sigaction * ka, struct pt_regs *regs,
- int signr, sigset_t *set, siginfo_t *info);
-
struct mips_abi mips_abi_n32 = {
.do_signal = do_signal,
.setup_rt_frame = setup_rt_frame_n32
childregs->cp0_status &= ~(ST0_CU2|ST0_CU1);
clear_tsk_thread_flag(p, TIF_USEDFPU);
+#ifdef CONFIG_MIPS_MT_FPAFF
+ /*
+ * FPU affinity support is cleaner if we track the
+ * user-visible CPU affinity from the very beginning.
+ * The generic cpus_allowed mask will already have
+ * been copied from the parent before copy_thread
+ * is invoked.
+ */
+ p->thread.user_cpus_allowed = p->cpus_allowed;
+#endif /* CONFIG_MIPS_MT_FPAFF */
+
if (clone_flags & CLONE_SETTLS)
ti->tp_value = regs->regs[7];
return pc;
}
-EXPORT_SYMBOL(get_wchan);