@@ -329,7 +329,7 @@ static void xsave_sigcontext(CPUX86State *env,
/* Zero the header, XSAVE *adds* features to an existing save state. */
memset(fxstate + 1, 0, sizeof(X86XSaveHeader));
- cpu_x86_xsave(env, xstate_addr, -1);
+ cpu_x86_xsave(env, xstate_addr, env->xcr0);
__put_user(TARGET_FP_XSTATE_MAGIC1, &sw->magic1);
__put_user(extended_size, &sw->extended_size);
@@ -2668,47 +2668,38 @@ static uint64_t get_xinuse(CPUX86State *env)
return inuse;
}
-static void do_xsave(CPUX86State *env, target_ulong ptr, uint64_t rfbm,
- uint64_t inuse, uint64_t opt, uintptr_t ra)
+static void do_xsave_access(X86Access *ac, target_ulong ptr, uint64_t rfbm,
+ uint64_t inuse, uint64_t opt)
{
uint64_t old_bv, new_bv;
- X86Access ac;
- unsigned size;
-
- /* Never save anything not enabled by XCR0. */
- rfbm &= env->xcr0;
- opt &= rfbm;
-
- size = xsave_area_size(opt, false);
- access_prepare(&ac, env, ptr, size, MMU_DATA_STORE, ra);
if (opt & XSTATE_FP_MASK) {
- do_xsave_fpu(&ac, ptr);
+ do_xsave_fpu(ac, ptr);
}
if (rfbm & XSTATE_SSE_MASK) {
/* Note that saving MXCSR is not suppressed by XSAVEOPT. */
- do_xsave_mxcsr(&ac, ptr);
+ do_xsave_mxcsr(ac, ptr);
}
if (opt & XSTATE_SSE_MASK) {
- do_xsave_sse(&ac, ptr);
+ do_xsave_sse(ac, ptr);
}
if (opt & XSTATE_YMM_MASK) {
- do_xsave_ymmh(&ac, ptr + XO(avx_state));
+ do_xsave_ymmh(ac, ptr + XO(avx_state));
}
if (opt & XSTATE_BNDREGS_MASK) {
- do_xsave_bndregs(&ac, ptr + XO(bndreg_state));
+ do_xsave_bndregs(ac, ptr + XO(bndreg_state));
}
if (opt & XSTATE_BNDCSR_MASK) {
- do_xsave_bndcsr(&ac, ptr + XO(bndcsr_state));
+ do_xsave_bndcsr(ac, ptr + XO(bndcsr_state));
}
if (opt & XSTATE_PKRU_MASK) {
- do_xsave_pkru(&ac, ptr + XO(pkru_state));
+ do_xsave_pkru(ac, ptr + XO(pkru_state));
}
/* Update the XSTATE_BV field. */
- old_bv = access_ldq(&ac, ptr + XO(header.xstate_bv));
+ old_bv = access_ldq(ac, ptr + XO(header.xstate_bv));
new_bv = (old_bv & ~rfbm) | (inuse & rfbm);
- access_stq(&ac, ptr + XO(header.xstate_bv), new_bv);
+ access_stq(ac, ptr + XO(header.xstate_bv), new_bv);
}
static void do_xsave_chk(CPUX86State *env, target_ulong ptr, uintptr_t ra)
@@ -2724,22 +2715,32 @@ static void do_xsave_chk(CPUX86State *env, target_ulong ptr, uintptr_t ra)
}
}
-void helper_xsave(CPUX86State *env, target_ulong ptr, uint64_t rfbm)
+static void do_xsave(CPUX86State *env, target_ulong ptr, uint64_t rfbm,
+ uint64_t inuse, uint64_t opt, uintptr_t ra)
{
- uintptr_t ra = GETPC();
+ X86Access ac;
+ unsigned size;
do_xsave_chk(env, ptr, ra);
- do_xsave(env, ptr, rfbm, get_xinuse(env), -1, ra);
+
+ /* Never save anything not enabled by XCR0. */
+ rfbm &= env->xcr0;
+ opt &= rfbm;
+ size = xsave_area_size(opt, false);
+
+ access_prepare(&ac, env, ptr, size, MMU_DATA_STORE, ra);
+ do_xsave_access(&ac, ptr, rfbm, inuse, opt);
+}
+
+void helper_xsave(CPUX86State *env, target_ulong ptr, uint64_t rfbm)
+{
+ do_xsave(env, ptr, rfbm, get_xinuse(env), rfbm, GETPC());
}
void helper_xsaveopt(CPUX86State *env, target_ulong ptr, uint64_t rfbm)
{
- uintptr_t ra = GETPC();
- uint64_t inuse;
-
- do_xsave_chk(env, ptr, ra);
- inuse = get_xinuse(env);
- do_xsave(env, ptr, rfbm, inuse, inuse, ra);
+ uint64_t inuse = get_xinuse(env);
+ do_xsave(env, ptr, rfbm, inuse, inuse, GETPC());
}
static void do_xrstor_fpu(X86Access *ac, target_ulong ptr)
@@ -3049,7 +3050,18 @@ void cpu_x86_fxrstor(CPUX86State *env, target_ulong ptr)
void cpu_x86_xsave(CPUX86State *env, target_ulong ptr, uint64_t rfbm)
{
- do_xsave(env, ptr, rfbm, get_xinuse(env), -1, 0);
+ X86Access ac;
+ unsigned size;
+
+ /*
+ * Since this is only called from user-level signal handling,
+ * we should have done the job correctly there.
+ */
+ assert((rfbm & ~env->xcr0) == 0);
+ size = xsave_area_size(rfbm, false);
+
+ access_prepare(&ac, env, ptr, size, MMU_DATA_STORE, 0);
+ do_xsave_access(&ac, ptr, rfbm, get_xinuse(env), rfbm);
}
void cpu_x86_xrstor(CPUX86State *env, target_ulong ptr, uint64_t rfbm)