diff options
| author | Pranith Kumar <bobby.prani@gmail.com> | 2017-02-26 11:53:44 -0500 |
|---|---|---|
| committer | Laurent Vivier <laurent@vivier.eu> | 2017-02-27 23:10:02 +0100 |
| commit | 1c1df0198b30e180bd63891727fa1c3e0c96eb8e (patch) | |
| tree | 7355486543a46823314815fafc476fdebc410d4b /target | |
| parent | ee1ac3a1822b9386b2363c606908be44ca096401 (diff) | |
linux-user: Add signal handling support for x86_64
Note that x86_64 has only _rt signal handlers. This implementation
attempts to share code with the x86_32 implementation.
CC: Laurent Vivier <laurent@vivier.eu>
Signed-off-by: Allan Wirth <awirth@akamai.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Pranith Kumar <bobby.prani@gmail.com>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20170226165345.8757-1-bobby.prani@gmail.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Diffstat (limited to 'target')
| -rw-r--r-- | target/i386/cpu.h | 2 | ||||
| -rw-r--r-- | target/i386/fpu_helper.c | 12 |
2 files changed, 14 insertions, 0 deletions
diff --git a/target/i386/cpu.h b/target/i386/cpu.h index 8df124f332..573f2aa988 100644 --- a/target/i386/cpu.h +++ b/target/i386/cpu.h @@ -1417,6 +1417,8 @@ floatx80 cpu_set_fp80(uint64_t mant, uint16_t upper); void cpu_x86_load_seg(CPUX86State *s, int seg_reg, int selector); void cpu_x86_fsave(CPUX86State *s, target_ulong ptr, int data32); void cpu_x86_frstor(CPUX86State *s, target_ulong ptr, int data32); +void cpu_x86_fxsave(CPUX86State *s, target_ulong ptr); +void cpu_x86_fxrstor(CPUX86State *s, target_ulong ptr); /* you can call this signal handler from your SIGBUS and SIGSEGV signal handlers to inform the virtual CPU of exceptions. non zero diff --git a/target/i386/fpu_helper.c b/target/i386/fpu_helper.c index 66474ad98e..69ea33a5c2 100644 --- a/target/i386/fpu_helper.c +++ b/target/i386/fpu_helper.c @@ -1377,6 +1377,18 @@ void helper_fxrstor(CPUX86State *env, target_ulong ptr) } } +#if defined(CONFIG_USER_ONLY) +void cpu_x86_fxsave(CPUX86State *env, target_ulong ptr) +{ + helper_fxsave(env, ptr); +} + +void cpu_x86_fxrstor(CPUX86State *env, target_ulong ptr) +{ + helper_fxrstor(env, ptr); +} +#endif + void helper_xrstor(CPUX86State *env, target_ulong ptr, uint64_t rfbm) { uintptr_t ra = GETPC(); |