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authorPranith Kumar <bobby.prani@gmail.com>2017-02-26 11:53:44 -0500
committerLaurent Vivier <laurent@vivier.eu>2017-02-27 23:10:02 +0100
commit1c1df0198b30e180bd63891727fa1c3e0c96eb8e (patch)
tree7355486543a46823314815fafc476fdebc410d4b /target
parentee1ac3a1822b9386b2363c606908be44ca096401 (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.h2
-rw-r--r--target/i386/fpu_helper.c12
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();