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| author | Grant Likely <grant.likely@secretlab.ca> | 2010-01-28 14:38:25 -0700 |
|---|---|---|
| committer | Grant Likely <grant.likely@secretlab.ca> | 2010-01-28 14:38:25 -0700 |
| commit | 0ada0a73120c28cc432bcdbac061781465c2f48f (patch) | |
| tree | d17cadd4ea47e25d9e48e7d409a39c84268fbd27 /arch/mips/kernel/signal32.c | |
| parent | 6016a363f6b56b46b24655bcfc0499b715851cf3 (diff) | |
| parent | 92dcffb916d309aa01778bf8963a6932e4014d07 (diff) | |
Merge commit 'v2.6.33-rc5' into secretlab/test-devicetree
Diffstat (limited to 'arch/mips/kernel/signal32.c')
| -rw-r--r-- | arch/mips/kernel/signal32.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/arch/mips/kernel/signal32.c b/arch/mips/kernel/signal32.c index 2e74075ac0c..03abaf048f0 100644 --- a/arch/mips/kernel/signal32.c +++ b/arch/mips/kernel/signal32.c @@ -35,6 +35,15 @@ #include "signal-common.h" +static int (*save_fp_context32)(struct sigcontext32 __user *sc); +static int (*restore_fp_context32)(struct sigcontext32 __user *sc); + +extern asmlinkage int _save_fp_context32(struct sigcontext32 __user *sc); +extern asmlinkage int _restore_fp_context32(struct sigcontext32 __user *sc); + +extern asmlinkage int fpu_emulator_save_context32(struct sigcontext32 __user *sc); +extern asmlinkage int fpu_emulator_restore_context32(struct sigcontext32 __user *sc); + /* * Including <asm/unistd.h> would give use the 64-bit syscall numbers ... */ @@ -828,3 +837,18 @@ SYSCALL_DEFINE5(32_waitid, int, which, compat_pid_t, pid, info.si_code |= __SI_CHLD; return copy_siginfo_to_user32(uinfo, &info); } + +static int signal32_init(void) +{ + if (cpu_has_fpu) { + save_fp_context32 = _save_fp_context32; + restore_fp_context32 = _restore_fp_context32; + } else { + save_fp_context32 = fpu_emulator_save_context32; + restore_fp_context32 = fpu_emulator_restore_context32; + } + + return 0; +} + +arch_initcall(signal32_init); |