[PULL 096/115] i386: hvf: Move lazy_flags into CPUX86State

[Paolo Bonzini <pbonzini@redhat.com>]

From: Roman Bolshakov <r.bolshakov@yadro.com>

The lazy flags are still needed for instruction decoder.

Signed-off-by: Roman Bolshakov <r.bolshakov@yadro.com>
Message-Id: <20200528193758.51454-12-r.bolshakov@yadro.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
---
 include/sysemu/hvf.h        |  7 +++++
 target/i386/cpu.h           |  2 ++
 target/i386/hvf/x86.h       |  6 ----
 target/i386/hvf/x86_flags.c | 57 ++++++++++++++++++-------------------
 4 files changed, 37 insertions(+), 35 deletions(-)

diff --git a/include/sysemu/hvf.h b/include/sysemu/hvf.h
index 2af32e505e..9e09144a64 100644
--- a/include/sysemu/hvf.h
+++ b/include/sysemu/hvf.h
@@ -21,10 +21,17 @@
 #include <Hypervisor/hv_vmx.h>
 #include <Hypervisor/hv_error.h>
 #include "target/i386/cpu.h"
+#include "exec/cpu-defs.h"
+
 uint32_t hvf_get_supported_cpuid(uint32_t func, uint32_t idx,
                                  int reg);
 extern bool hvf_allowed;
 #define hvf_enabled() (hvf_allowed)
+
+typedef struct hvf_lazy_flags {
+    target_ulong result;
+    target_ulong auxbits;
+} hvf_lazy_flags;
 #else /* !CONFIG_HVF */
 #define hvf_enabled() 0
 #define hvf_get_supported_cpuid(func, idx, reg) 0
diff --git a/target/i386/cpu.h b/target/i386/cpu.h
index c2b8bdcbde..86f4da1b66 100644
--- a/target/i386/cpu.h
+++ b/target/i386/cpu.h
@@ -20,6 +20,7 @@
 #ifndef I386_CPU_H
 #define I386_CPU_H
 
+#include "sysemu/hvf.h"
 #include "sysemu/tcg.h"
 #include "cpu-qom.h"
 #include "hyperv-proto.h"
@@ -1597,6 +1598,7 @@ typedef struct CPUX86State {
     struct kvm_nested_state *nested_state;
 #endif
 #if defined(CONFIG_HVF)
+    hvf_lazy_flags hvf_lflags;
     HVFX86EmulatorState *hvf_emul;
 #endif
 
diff --git a/target/i386/hvf/x86.h b/target/i386/hvf/x86.h
index 6048b5cc74..2363616c07 100644
--- a/target/i386/hvf/x86.h
+++ b/target/i386/hvf/x86.h
@@ -228,14 +228,8 @@ typedef struct x68_segment_selector {
     };
 } __attribute__ ((__packed__)) x68_segment_selector;
 
-typedef struct lazy_flags {
-    target_ulong result;
-    target_ulong auxbits;
-} lazy_flags;
-
 /* Definition of hvf_x86_state is here */
 struct HVFX86EmulatorState {
-    struct lazy_flags   lflags;
     uint8_t mmio_buf[4096];
 };
 
diff --git a/target/i386/hvf/x86_flags.c b/target/i386/hvf/x86_flags.c
index 1152cd7234..5ca4f41f5c 100644
--- 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)
@@ -252,45 +251,45 @@ 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)
@@ -305,7 +304,7 @@ void lflags_to_rflags(CPUX86State *env)
 
 void rflags_to_lflags(CPUX86State *env)
 {
-    env->hvf_emul->lflags.auxbits = env->hvf_emul->lflags.result = 0;
+    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);
-- 
2.26.2