#define ID_MASK 0x00200000
/* hidden flags - used internally by qemu to represent additional cpu
- states. Only the CPL, INHIBIT_IRQ and HALTED are not redundant. We avoid
- using the IOPL_MASK, TF_MASK and VM_MASK bit position to ease oring
- with eflags. */
+ states. Only the CPL, INHIBIT_IRQ, SMM and SVMI are not
+ redundant. We avoid using the IOPL_MASK, TF_MASK and VM_MASK bit
+ position to ease oring with eflags. */
/* current cpl */
#define HF_CPL_SHIFT 0
/* true if soft mmu is being used */
#define HF_CS64_SHIFT 15 /* only used on x86_64: 64 bit code segment */
#define HF_OSFXSR_SHIFT 16 /* CR4.OSFXSR */
#define HF_VM_SHIFT 17 /* must be same as eflags */
-#define HF_HALTED_SHIFT 18 /* CPU halted */
#define HF_SMM_SHIFT 19 /* CPU in SMM mode */
-#define HF_GIF_SHIFT 20 /* if set CPU takes interrupts */
-#define HF_HIF_SHIFT 21 /* shadow copy of IF_MASK when in SVM */
+#define HF_SVME_SHIFT 20 /* SVME enabled (copy of EFER.SVME) */
+#define HF_SVMI_SHIFT 21 /* SVM intercepts are active */
#define HF_CPL_MASK (3 << HF_CPL_SHIFT)
#define HF_SOFTMMU_MASK (1 << HF_SOFTMMU_SHIFT)
#define HF_LMA_MASK (1 << HF_LMA_SHIFT)
#define HF_CS64_MASK (1 << HF_CS64_SHIFT)
#define HF_OSFXSR_MASK (1 << HF_OSFXSR_SHIFT)
-#define HF_HALTED_MASK (1 << HF_HALTED_SHIFT)
#define HF_SMM_MASK (1 << HF_SMM_SHIFT)
-#define HF_GIF_MASK (1 << HF_GIF_SHIFT)
-#define HF_HIF_MASK (1 << HF_HIF_SHIFT)
+#define HF_SVME_MASK (1 << HF_SVME_SHIFT)
+#define HF_SVMI_MASK (1 << HF_SVMI_SHIFT)
+
+/* hflags2 */
+
+#define HF2_GIF_SHIFT 0 /* if set CPU takes interrupts */
+#define HF2_HIF_SHIFT 1 /* value of IF_MASK when entering SVM */
+#define HF2_NMI_SHIFT 2 /* CPU serving NMI */
+#define HF2_VINTR_SHIFT 3 /* value of V_INTR_MASKING bit */
+
+#define HF2_GIF_MASK (1 << HF2_GIF_SHIFT)
+#define HF2_HIF_MASK (1 << HF2_HIF_SHIFT)
+#define HF2_NMI_MASK (1 << HF2_NMI_SHIFT)
+#define HF2_VINTR_MASK (1 << HF2_VINTR_SHIFT)
#define CR0_PE_MASK (1 << 0)
#define CR0_MP_MASK (1 << 1)
#define MSR_EFER_LME (1 << 8)
#define MSR_EFER_LMA (1 << 10)
#define MSR_EFER_NXE (1 << 11)
+#define MSR_EFER_SVME (1 << 12)
#define MSR_EFER_FFXSR (1 << 14)
#define MSR_STAR 0xc0000081
#define CPUID_EXT3_3DNOWPREFETCH (1 << 8)
#define CPUID_EXT3_OSVW (1 << 9)
#define CPUID_EXT3_IBS (1 << 10)
+#define CPUID_EXT3_SKINIT (1 << 12)
#define EXCP00_DIVZ 0
#define EXCP01_SSTP 1
#define EXCP11_ALGN 17
#define EXCP12_MCHK 18
+#define EXCP_SYSCALL 0x100 /* only happens in user only emulation
+ for syscall instruction */
+
enum {
CC_OP_DYNAMIC, /* must use dynamic code to get cc_op */
- CC_OP_EFLAGS, /* all cc are explicitely computed, CC_SRC = flags */
+ CC_OP_EFLAGS, /* all cc are explicitly computed, CC_SRC = flags */
CC_OP_MULB, /* modify all flags, C, O = (CC_SRC != 0) */
CC_OP_MULW,
typedef union {
uint8_t _b[8];
- uint16_t _w[2];
- uint32_t _l[1];
+ uint16_t _w[4];
+ uint32_t _l[2];
+ float32 _s[2];
uint64_t q;
} MMXReg;
#define MMX_B(n) _b[7 - (n)]
#define MMX_W(n) _w[3 - (n)]
#define MMX_L(n) _l[1 - (n)]
+#define MMX_S(n) _s[1 - (n)]
#else
#define XMM_B(n) _b[n]
#define XMM_W(n) _w[n]
#define MMX_B(n) _b[n]
#define MMX_W(n) _w[n]
#define MMX_L(n) _l[n]
+#define MMX_S(n) _s[n]
#endif
#define MMX_Q(n) q
#define NB_MMU_MODES 2
typedef struct CPUX86State {
-#if TARGET_LONG_BITS > HOST_LONG_BITS
- /* temporaries if we cannot store them in host registers */
- target_ulong t0, t1, t2;
-#endif
-
/* standard registers */
target_ulong regs[CPU_NB_REGS];
target_ulong eip;
target_ulong cc_dst;
uint32_t cc_op;
int32_t df; /* D flag : 1 if D = 0, -1 if D = 1 */
- uint32_t hflags; /* hidden flags, see HF_xxx constants */
+ uint32_t hflags; /* TB flags, see HF_xxx constants. These flags
+ are known at translation time. */
+ uint32_t hflags2; /* various other flags, see HF2_xxx constants. */
/* segments */
SegmentCache segs[6]; /* selector values */
SegmentCache idt; /* only base and limit are used */
target_ulong cr[5]; /* NOTE: cr1 is unused */
- uint32_t a20_mask;
+ uint64_t a20_mask;
/* FPU state */
unsigned int fpstt; /* top of stack index */
/* emulator internal variables */
float_status fp_status;
CPU86_LDouble ft0;
- union {
- float f;
- double d;
- int i32;
- int64_t i64;
- } fp_convert;
+ float_status mmx_status; /* for 3DNow! float ops */
float_status sse_status;
uint32_t mxcsr;
XMMReg xmm_regs[CPU_NB_REGS];
XMMReg xmm_t0;
MMXReg mmx_t0;
+ target_ulong cc_tmp; /* temporary for rcr/rcl */
/* sysenter registers */
uint32_t sysenter_cs;
uint64_t efer;
uint64_t star;
- target_phys_addr_t vm_hsave;
- target_phys_addr_t vm_vmcb;
+ uint64_t vm_hsave;
+ uint64_t vm_vmcb;
+ uint64_t tsc_offset;
uint64_t intercept;
uint16_t intercept_cr_read;
uint16_t intercept_cr_write;
uint16_t intercept_dr_read;
uint16_t intercept_dr_write;
uint32_t intercept_exceptions;
+ uint8_t v_tpr;
#ifdef TARGET_X86_64
target_ulong lstar;
uint64_t pat;
/* exception/interrupt handling */
- jmp_buf jmp_env;
- int exception_index;
int error_code;
int exception_is_int;
target_ulong exception_next_eip;
target_ulong dr[8]; /* debug registers */
uint32_t smbase;
- int interrupt_request;
- int user_mode_only; /* user mode only simulation */
int old_exception; /* exception in flight */
CPU_COMMON
/* the following helpers are only usable in user mode simulation as
they can trigger unexpected exceptions */
void cpu_x86_load_seg(CPUX86State *s, int seg_reg, int selector);
-void cpu_x86_fsave(CPUX86State *s, uint8_t *ptr, int data32);
-void cpu_x86_frstor(CPUX86State *s, uint8_t *ptr, int data32);
+void cpu_x86_fsave(CPUX86State *s, target_ulong ptr, int data32);
+void cpu_x86_frstor(CPUX86State *s, target_ulong ptr, int data32);
/* you can call this signal handler from your SIGBUS and SIGSEGV
signal handlers to inform the virtual CPU of exceptions. non zero
#define cpu_signal_handler cpu_x86_signal_handler
#define cpu_list x86_cpu_list
+#define CPU_SAVE_VERSION 6
+
/* MMU modes definitions */
#define MMU_MODE0_SUFFIX _kernel
#define MMU_MODE1_SUFFIX _user
return (env->hflags & HF_CPL_MASK) == 3 ? 1 : 0;
}
+void optimize_flags_init(void);
+
+typedef struct CCTable {
+ int (*compute_all)(void); /* return all the flags */
+ int (*compute_c)(void); /* return the C flag */
+} CCTable;
+
+extern CCTable cc_table[];
+
+#if defined(CONFIG_USER_ONLY)
+static inline void cpu_clone_regs(CPUState *env, target_ulong newsp)
+{
+ if (newsp)
+ env->regs[R_ESP] = newsp;
+ env->regs[R_EAX] = 0;
+}
+#endif
+
+#define CPU_PC_FROM_TB(env, tb) env->eip = tb->pc - tb->cs_base
+
#include "cpu-all.h"
#include "svm.h"
projects / qemu / blobdiff