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eflags update

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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@56 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
bellard 2003-03-29 16:52:44 +00:00
parent 9c605cb135
commit fc2b4c4879
2 changed files with 26 additions and 19 deletions
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34
cpu-i386.h
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@ -48,6 +48,7 @@
#define R_FS 4
#define R_GS 5
/* eflags masks */
#define CC_C 0x0001
#define CC_P 0x0004
#define CC_A 0x0010
@ -55,15 +56,17 @@
#define CC_S 0x0080
#define CC_O 0x0800
#define TRAP_FLAG 0x0100
#define INTERRUPT_FLAG 0x0200
#define DIRECTION_FLAG 0x0400
#define IOPL_FLAG_MASK 0x3000
#define NESTED_FLAG 0x4000
#define BYTE_FL 0x8000 /* Intel reserved! */
#define RF_FLAG 0x10000
#define VM_FLAG 0x20000
/* AC 0x40000 */
#define TF_MASK 0x00000100
#define IF_MASK 0x00000200
#define DF_MASK 0x00000400
#define IOPL_MASK 0x00003000
#define NT_MASK 0x00004000
#define RF_MASK 0x00010000
#define VM_MASK 0x00020000
#define AC_MASK 0x00040000
#define VIF_MASK 0x00080000
#define VIP_MASK 0x00100000
#define ID_MASK 0x00200000
#define EXCP00_DIVZ 1
#define EXCP01_SSTP 2
@ -158,7 +161,9 @@ typedef struct CPUX86State {
/* standard registers */
uint32_t regs[8];
uint32_t eip;
uint32_t eflags;
uint32_t eflags; /* eflags register. During CPU emulation, CC
flags and DF are set to zero because they are
store elsewhere */
/* emulator internal eflags handling */
uint32_t cc_src;
@ -183,13 +188,13 @@ typedef struct CPUX86State {
SegmentDescriptorTable ldt;
SegmentDescriptorTable idt;
/* various CPU modes */
int vm86;
/* exception/interrupt handling */
jmp_buf jmp_env;
int exception_index;
int interrupt_request;
/* user data */
void *opaque;
} CPUX86State;
/* all CPU memory access use these macros */
@ -418,7 +423,8 @@ int cpu_x86_signal_handler(int host_signum, struct siginfo *info,
#define GEN_FLAG_CODE32_SHIFT 0
#define GEN_FLAG_ADDSEG_SHIFT 1
#define GEN_FLAG_SS32_SHIFT 2
#define GEN_FLAG_ST_SHIFT 3
#define GEN_FLAG_VM_SHIFT 3
#define GEN_FLAG_ST_SHIFT 4
int cpu_x86_gen_code(uint8_t *gen_code_buf, int max_code_size,
int *gen_code_size_ptr,