KVM: add support for AMD nested live migration

[qemu.git] / target / i386 / hvf / x86_flags.c

diff --git a/target/i386/hvf/x86_flags.c b/target/i386/hvf/x86_flags.c
index ee6d33f86182e849d575e0d0d483a4e7d5bf4b2d..5ca4f41f5c95490e9b30fbb8bc9ed9d104c4dd43 100644 (file)
--- a/target/i386/hvf/x86_flags.c
+++ b/target/i386/hvf/x86_flags.c
@@ -63,7 +63,7 @@
 #define SET_FLAGS_OSZAPC_SIZE(size, lf_carries, lf_result) { \
     target_ulong temp = ((lf_carries) & (LF_MASK_AF)) | \
     (((lf_carries) >> (size - 2)) << LF_BIT_PO); \
-    env->hvf_emul->lflags.result = (target_ulong)(int##size##_t)(lf_result); \
+    env->hvf_lflags.result = (target_ulong)(int##size##_t)(lf_result); \
     if ((size) == 32) { \
         temp = ((lf_carries) & ~(LF_MASK_PDB | LF_MASK_SD)); \
     } else if ((size) == 16) { \
@@ -73,7 +73,7 @@
     } else { \
         VM_PANIC("unimplemented");  \
     } \
-    env->hvf_emul->lflags.auxbits = (target_ulong)(uint32_t)temp; \
+    env->hvf_lflags.auxbits = (target_ulong)(uint32_t)temp; \
 }
 
 /* carries, result */
@@ -100,10 +100,10 @@
     } else { \
         VM_PANIC("unimplemented");      \
     } \
-    env->hvf_emul->lflags.result = (target_ulong)(int##size##_t)(lf_result); \
-    target_ulong delta_c = (env->hvf_emul->lflags.auxbits ^ temp) & LF_MASK_CF; \
+    env->hvf_lflags.result = (target_ulong)(int##size##_t)(lf_result); \
+    target_ulong delta_c = (env->hvf_lflags.auxbits ^ temp) & LF_MASK_CF; \
     delta_c ^= (delta_c >> 1); \
-    env->hvf_emul->lflags.auxbits = (target_ulong)(uint32_t)(temp ^ delta_c); \
+    env->hvf_lflags.auxbits = (target_ulong)(uint32_t)(temp ^ delta_c); \
 }
 
 /* carries, result */
@@ -117,9 +117,8 @@
 void SET_FLAGS_OxxxxC(CPUX86State *env, uint32_t new_of, uint32_t new_cf)
 {
     uint32_t temp_po = new_of ^ new_cf;
-    env->hvf_emul->lflags.auxbits &= ~(LF_MASK_PO | LF_MASK_CF);
-    env->hvf_emul->lflags.auxbits |= (temp_po << LF_BIT_PO) |
-                                     (new_cf << LF_BIT_CF);
+    env->hvf_lflags.auxbits &= ~(LF_MASK_PO | LF_MASK_CF);
+    env->hvf_lflags.auxbits |= (temp_po << LF_BIT_PO) | (new_cf << LF_BIT_CF);
 }
 
 void SET_FLAGS_OSZAPC_SUB32(CPUX86State *env, uint32_t v1, uint32_t v2,
@@ -215,27 +214,27 @@ void SET_FLAGS_OSZAPC_LOGIC8(CPUX86State *env, uint8_t v1, uint8_t v2,
 
 bool get_PF(CPUX86State *env)
 {
-    uint32_t temp = (255 & env->hvf_emul->lflags.result);
-    temp = temp ^ (255 & (env->hvf_emul->lflags.auxbits >> LF_BIT_PDB));
+    uint32_t temp = (255 & env->hvf_lflags.result);
+    temp = temp ^ (255 & (env->hvf_lflags.auxbits >> LF_BIT_PDB));
     temp = (temp ^ (temp >> 4)) & 0x0F;
     return (0x9669U >> temp) & 1;
 }
 
 void set_PF(CPUX86State *env, bool val)
 {
-    uint32_t temp = (255 & env->hvf_emul->lflags.result) ^ (!val);
-    env->hvf_emul->lflags.auxbits &= ~(LF_MASK_PDB);
-    env->hvf_emul->lflags.auxbits |= (temp << LF_BIT_PDB);
+    uint32_t temp = (255 & env->hvf_lflags.result) ^ (!val);
+    env->hvf_lflags.auxbits &= ~(LF_MASK_PDB);
+    env->hvf_lflags.auxbits |= (temp << LF_BIT_PDB);
 }
 
 bool get_OF(CPUX86State *env)
 {
-    return ((env->hvf_emul->lflags.auxbits + (1U << LF_BIT_PO)) >> LF_BIT_CF) & 1;
+    return ((env->hvf_lflags.auxbits + (1U << LF_BIT_PO)) >> LF_BIT_CF) & 1;
 }
 
 bool get_CF(CPUX86State *env)
 {
-    return (env->hvf_emul->lflags.auxbits >> LF_BIT_CF) & 1;
+    return (env->hvf_lflags.auxbits >> LF_BIT_CF) & 1;
 }
 
 void set_OF(CPUX86State *env, bool val)
@@ -252,64 +251,64 @@ void set_CF(CPUX86State *env, bool val)
 
 bool get_AF(CPUX86State *env)
 {
-    return (env->hvf_emul->lflags.auxbits >> LF_BIT_AF) & 1;
+    return (env->hvf_lflags.auxbits >> LF_BIT_AF) & 1;
 }
 
 void set_AF(CPUX86State *env, bool val)
 {
-    env->hvf_emul->lflags.auxbits &= ~(LF_MASK_AF);
-    env->hvf_emul->lflags.auxbits |= val << LF_BIT_AF;
+    env->hvf_lflags.auxbits &= ~(LF_MASK_AF);
+    env->hvf_lflags.auxbits |= val << LF_BIT_AF;
 }
 
 bool get_ZF(CPUX86State *env)
 {
-    return !env->hvf_emul->lflags.result;
+    return !env->hvf_lflags.result;
 }
 
 void set_ZF(CPUX86State *env, bool val)
 {
     if (val) {
-        env->hvf_emul->lflags.auxbits ^=
-         (((env->hvf_emul->lflags.result >> LF_SIGN_BIT) & 1) << LF_BIT_SD);
+        env->hvf_lflags.auxbits ^=
+         (((env->hvf_lflags.result >> LF_SIGN_BIT) & 1) << LF_BIT_SD);
         /* merge the parity bits into the Parity Delta Byte */
-        uint32_t temp_pdb = (255 & env->hvf_emul->lflags.result);
-        env->hvf_emul->lflags.auxbits ^= (temp_pdb << LF_BIT_PDB);
+        uint32_t temp_pdb = (255 & env->hvf_lflags.result);
+        env->hvf_lflags.auxbits ^= (temp_pdb << LF_BIT_PDB);
         /* now zero the .result value */
-        env->hvf_emul->lflags.result = 0;
+        env->hvf_lflags.result = 0;
     } else {
-        env->hvf_emul->lflags.result |= (1 << 8);
+        env->hvf_lflags.result |= (1 << 8);
     }
 }
 
 bool get_SF(CPUX86State *env)
 {
-    return ((env->hvf_emul->lflags.result >> LF_SIGN_BIT) ^
-            (env->hvf_emul->lflags.auxbits >> LF_BIT_SD)) & 1;
+    return ((env->hvf_lflags.result >> LF_SIGN_BIT) ^
+            (env->hvf_lflags.auxbits >> LF_BIT_SD)) & 1;
 }
 
 void set_SF(CPUX86State *env, bool val)
 {
     bool temp_sf = get_SF(env);
-    env->hvf_emul->lflags.auxbits ^= (temp_sf ^ val) << LF_BIT_SD;
+    env->hvf_lflags.auxbits ^= (temp_sf ^ val) << LF_BIT_SD;
 }
 
 void lflags_to_rflags(CPUX86State *env)
 {
-    env->hvf_emul->rflags.cf = get_CF(env);
-    env->hvf_emul->rflags.pf = get_PF(env);
-    env->hvf_emul->rflags.af = get_AF(env);
-    env->hvf_emul->rflags.zf = get_ZF(env);
-    env->hvf_emul->rflags.sf = get_SF(env);
-    env->hvf_emul->rflags.of = get_OF(env);
+    env->eflags |= get_CF(env) ? CC_C : 0;
+    env->eflags |= get_PF(env) ? CC_P : 0;
+    env->eflags |= get_AF(env) ? CC_A : 0;
+    env->eflags |= get_ZF(env) ? CC_Z : 0;
+    env->eflags |= get_SF(env) ? CC_S : 0;
+    env->eflags |= get_OF(env) ? CC_O : 0;
 }
 
 void rflags_to_lflags(CPUX86State *env)
 {
-    env->hvf_emul->lflags.auxbits = env->hvf_emul->lflags.result = 0;
-    set_OF(env, env->hvf_emul->rflags.of);
-    set_SF(env, env->hvf_emul->rflags.sf);
-    set_ZF(env, env->hvf_emul->rflags.zf);
-    set_AF(env, env->hvf_emul->rflags.af);
-    set_PF(env, env->hvf_emul->rflags.pf);
-    set_CF(env, env->hvf_emul->rflags.cf);
+    env->hvf_lflags.auxbits = env->hvf_lflags.result = 0;
+    set_OF(env, env->eflags & CC_O);
+    set_SF(env, env->eflags & CC_S);
+    set_ZF(env, env->eflags & CC_Z);
+    set_AF(env, env->eflags & CC_A);
+    set_PF(env, env->eflags & CC_P);
+    set_CF(env, env->eflags & CC_C);
 }