diff options
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 2e74075ac0ca..03abaf048f09 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); |