* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ * License along with this library; if not, see <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include "dyngen-exec.h"
#include "cpu-defs.h"
-/* at least 4 register variables are defined */
register struct CPUX86State *env asm(AREG0);
-#if TARGET_LONG_BITS > HOST_LONG_BITS
+#include "qemu-common.h"
+#include "qemu-log.h"
-/* no registers can be used */
-#define T0 (env->t0)
-#define T1 (env->t1)
-#define T2 (env->t2)
-
-#else
-
-/* XXX: use unsigned long instead of target_ulong - better code will
- be generated for 64 bit CPUs */
-register target_ulong T0 asm(AREG1);
-register target_ulong T1 asm(AREG2);
-register target_ulong T2 asm(AREG3);
-
-/* if more registers are available, we define some registers too */
-#ifdef AREG4
-register target_ulong EAX asm(AREG4);
-#define reg_EAX
-#endif
-
-#ifdef AREG5
-register target_ulong ESP asm(AREG5);
-#define reg_ESP
-#endif
-
-#ifdef AREG6
-register target_ulong EBP asm(AREG6);
-#define reg_EBP
-#endif
-
-#ifdef AREG7
-register target_ulong ECX asm(AREG7);
-#define reg_ECX
-#endif
-
-#ifdef AREG8
-register target_ulong EDX asm(AREG8);
-#define reg_EDX
-#endif
-
-#ifdef AREG9
-register target_ulong EBX asm(AREG9);
-#define reg_EBX
-#endif
-
-#ifdef AREG10
-register target_ulong ESI asm(AREG10);
-#define reg_ESI
-#endif
-
-#ifdef AREG11
-register target_ulong EDI asm(AREG11);
-#define reg_EDI
-#endif
-
-#endif /* ! (TARGET_LONG_BITS > HOST_LONG_BITS) */
-
-#define A0 T2
-
-extern FILE *logfile;
-extern int loglevel;
-
-#ifndef reg_EAX
+#undef EAX
#define EAX (env->regs[R_EAX])
-#endif
-#ifndef reg_ECX
+#undef ECX
#define ECX (env->regs[R_ECX])
-#endif
-#ifndef reg_EDX
+#undef EDX
#define EDX (env->regs[R_EDX])
-#endif
-#ifndef reg_EBX
+#undef EBX
#define EBX (env->regs[R_EBX])
-#endif
-#ifndef reg_ESP
+#undef ESP
#define ESP (env->regs[R_ESP])
-#endif
-#ifndef reg_EBP
+#undef EBP
#define EBP (env->regs[R_EBP])
-#endif
-#ifndef reg_ESI
+#undef ESI
#define ESI (env->regs[R_ESI])
-#endif
-#ifndef reg_EDI
+#undef EDI
#define EDI (env->regs[R_EDI])
-#endif
-#define EIP (env->eip)
+#undef EIP
+#define EIP (env->eip)
#define DF (env->df)
#define CC_SRC (env->cc_src)
#define ST(n) (env->fpregs[(env->fpstt + (n)) & 7].d)
#define ST1 ST(1)
-#ifdef USE_FP_CONVERT
-#define FP_CONVERT (env->fp_convert)
-#endif
-
#include "cpu.h"
#include "exec-all.h"
-typedef struct CCTable {
- int (*compute_all)(void); /* return all the flags */
- int (*compute_c)(void); /* return the C flag */
-} CCTable;
-
-extern CCTable cc_table[];
-
-void load_seg(int seg_reg, int selector);
-void helper_ljmp_protected_T0_T1(int next_eip);
-void helper_lcall_real_T0_T1(int shift, int next_eip);
-void helper_lcall_protected_T0_T1(int shift, int next_eip);
-void helper_iret_real(int shift);
-void helper_iret_protected(int shift, int next_eip);
-void helper_lret_protected(int shift, int addend);
-void helper_lldt_T0(void);
-void helper_ltr_T0(void);
-void helper_movl_crN_T0(int reg);
-void helper_movl_drN_T0(int reg);
-void helper_invlpg(target_ulong addr);
-void cpu_x86_update_cr0(CPUX86State *env, uint32_t new_cr0);
-void cpu_x86_update_cr3(CPUX86State *env, target_ulong new_cr3);
-void cpu_x86_update_cr4(CPUX86State *env, uint32_t new_cr4);
-void cpu_x86_flush_tlb(CPUX86State *env, target_ulong addr);
-int cpu_x86_handle_mmu_fault(CPUX86State *env, target_ulong addr,
- int is_write, int is_user, int is_softmmu);
-void tlb_fill(target_ulong addr, int is_write, int is_user,
- void *retaddr);
-void __hidden cpu_lock(void);
-void __hidden cpu_unlock(void);
+/* op_helper.c */
void do_interrupt(int intno, int is_int, int error_code,
target_ulong next_eip, int is_hw);
void do_interrupt_user(int intno, int is_int, int error_code,
target_ulong next_eip);
-void raise_interrupt(int intno, int is_int, int error_code,
- int next_eip_addend);
-void raise_exception_err(int exception_index, int error_code);
-void raise_exception(int exception_index);
+void QEMU_NORETURN raise_exception_err(int exception_index, int error_code);
+void QEMU_NORETURN raise_exception(int exception_index);
+void QEMU_NORETURN raise_exception_env(int exception_index, CPUState *nenv);
void do_smm_enter(void);
-void __hidden cpu_loop_exit(void);
-
-void OPPROTO op_movl_eflags_T0(void);
-void OPPROTO op_movl_T0_eflags(void);
-void helper_divl_EAX_T0(void);
-void helper_idivl_EAX_T0(void);
-void helper_mulq_EAX_T0(void);
-void helper_imulq_EAX_T0(void);
-void helper_imulq_T0_T1(void);
-void helper_divq_EAX_T0(void);
-void helper_idivq_EAX_T0(void);
-void helper_bswapq_T0(void);
-void helper_cmpxchg8b(void);
-void helper_single_step(void);
-void helper_cpuid(void);
-void helper_enter_level(int level, int data32);
-void helper_enter64_level(int level, int data64);
-void helper_sysenter(void);
-void helper_sysexit(void);
-void helper_syscall(int next_eip_addend);
-void helper_sysret(int dflag);
-void helper_rdtsc(void);
-void helper_rdmsr(void);
-void helper_wrmsr(void);
-void helper_lsl(void);
-void helper_lar(void);
-void helper_verr(void);
-void helper_verw(void);
-void helper_rsm(void);
-
-void check_iob_T0(void);
-void check_iow_T0(void);
-void check_iol_T0(void);
-void check_iob_DX(void);
-void check_iow_DX(void);
-void check_iol_DX(void);
-
-#if !defined(CONFIG_USER_ONLY)
-
-#include "softmmu_exec.h"
-static inline double ldfq(target_ulong ptr)
+/* n must be a constant to be efficient */
+static inline target_long lshift(target_long x, int n)
{
- union {
- double d;
- uint64_t i;
- } u;
- u.i = ldq(ptr);
- return u.d;
+ if (n >= 0)
+ return x << n;
+ else
+ return x >> (-n);
}
-static inline void stfq(target_ulong ptr, double v)
-{
- union {
- double d;
- uint64_t i;
- } u;
- u.d = v;
- stq(ptr, u.i);
-}
+#include "helper.h"
-static inline float ldfl(target_ulong ptr)
+static inline void svm_check_intercept(uint32_t type)
{
- union {
- float f;
- uint32_t i;
- } u;
- u.i = ldl(ptr);
- return u.f;
+ helper_svm_check_intercept_param(type, 0);
}
-static inline void stfl(target_ulong ptr, float v)
-{
- union {
- float f;
- uint32_t i;
- } u;
- u.f = v;
- stl(ptr, u.i);
-}
+#if !defined(CONFIG_USER_ONLY)
+
+#include "softmmu_exec.h"
#endif /* !defined(CONFIG_USER_ONLY) */
#define floatx_to_int64 floatx80_to_int64
#define floatx_to_int32_round_to_zero floatx80_to_int32_round_to_zero
#define floatx_to_int64_round_to_zero floatx80_to_int64_round_to_zero
+#define int32_to_floatx int32_to_floatx80
+#define int64_to_floatx int64_to_floatx80
+#define float32_to_floatx float32_to_floatx80
+#define float64_to_floatx float64_to_floatx80
+#define floatx_to_float32 floatx80_to_float32
+#define floatx_to_float64 floatx80_to_float64
#define floatx_abs floatx80_abs
#define floatx_chs floatx80_chs
#define floatx_round_to_int floatx80_round_to_int
#define floatx_compare floatx80_compare
#define floatx_compare_quiet floatx80_compare_quiet
-#define sin sinl
-#define cos cosl
-#define sqrt sqrtl
-#define pow powl
-#define log logl
-#define tan tanl
-#define atan2 atan2l
-#define floor floorl
-#define ceil ceill
-#define ldexp ldexpl
#else
#define floatx_to_int32 float64_to_int32
#define floatx_to_int64 float64_to_int64
#define floatx_to_int32_round_to_zero float64_to_int32_round_to_zero
#define floatx_to_int64_round_to_zero float64_to_int64_round_to_zero
+#define int32_to_floatx int32_to_float64
+#define int64_to_floatx int64_to_float64
+#define float32_to_floatx float32_to_float64
+#define float64_to_floatx(x, e) (x)
+#define floatx_to_float32 float64_to_float32
+#define floatx_to_float64(x, e) (x)
#define floatx_abs float64_abs
#define floatx_chs float64_chs
#define floatx_round_to_int float64_round_to_int
#define floatx_compare_quiet float64_compare_quiet
#endif
-extern CPU86_LDouble sin(CPU86_LDouble x);
-extern CPU86_LDouble cos(CPU86_LDouble x);
-extern CPU86_LDouble sqrt(CPU86_LDouble x);
-extern CPU86_LDouble pow(CPU86_LDouble, CPU86_LDouble);
-extern CPU86_LDouble log(CPU86_LDouble x);
-extern CPU86_LDouble tan(CPU86_LDouble x);
-extern CPU86_LDouble atan2(CPU86_LDouble, CPU86_LDouble);
-extern CPU86_LDouble floor(CPU86_LDouble x);
-extern CPU86_LDouble ceil(CPU86_LDouble x);
-
#define RC_MASK 0xc00
#define RC_NEAR 0x000
#define RC_DOWN 0x400
/* NOTE: arm is horrible as double 32 bit words are stored in big endian ! */
typedef union {
double d;
-#if !defined(WORDS_BIGENDIAN) && !defined(__arm__)
+#if !defined(HOST_WORDS_BIGENDIAN) && !defined(__arm__)
struct {
uint32_t lower;
int32_t upper;
}
#else
-/* XXX: same endianness assumed */
-
-#ifdef CONFIG_USER_ONLY
-
-static inline CPU86_LDouble helper_fldt(target_ulong ptr)
-{
- return *(CPU86_LDouble *)ptr;
-}
-
-static inline void helper_fstt(CPU86_LDouble f, target_ulong ptr)
-{
- *(CPU86_LDouble *)ptr = f;
-}
-
-#else
-
/* we use memory access macros */
static inline CPU86_LDouble helper_fldt(target_ulong ptr)
stw(ptr + 8, temp.l.upper);
}
-#endif /* !CONFIG_USER_ONLY */
-
#endif /* USE_X86LDOUBLE */
#define FPUS_IE (1 << 0)
#define FPUC_EM 0x3f
-extern const CPU86_LDouble f15rk[7];
-
-void helper_fldt_ST0_A0(void);
-void helper_fstt_ST0_A0(void);
-void fpu_raise_exception(void);
-CPU86_LDouble helper_fdiv(CPU86_LDouble a, CPU86_LDouble b);
-void helper_fbld_ST0_A0(void);
-void helper_fbst_ST0_A0(void);
-void helper_f2xm1(void);
-void helper_fyl2x(void);
-void helper_fptan(void);
-void helper_fpatan(void);
-void helper_fxtract(void);
-void helper_fprem1(void);
-void helper_fprem(void);
-void helper_fyl2xp1(void);
-void helper_fsqrt(void);
-void helper_fsincos(void);
-void helper_frndint(void);
-void helper_fscale(void);
-void helper_fsin(void);
-void helper_fcos(void);
-void helper_fxam_ST0(void);
-void helper_fstenv(target_ulong ptr, int data32);
-void helper_fldenv(target_ulong ptr, int data32);
-void helper_fsave(target_ulong ptr, int data32);
-void helper_frstor(target_ulong ptr, int data32);
-void helper_fxsave(target_ulong ptr, int data64);
-void helper_fxrstor(target_ulong ptr, int data64);
-void restore_native_fp_state(CPUState *env);
-void save_native_fp_state(CPUState *env);
-float approx_rsqrt(float a);
-float approx_rcp(float a);
-void update_fp_status(void);
-void helper_hlt(void);
-void helper_monitor(void);
-void helper_mwait(void);
-void helper_vmrun(target_ulong addr);
-void helper_vmmcall(void);
-void helper_vmload(target_ulong addr);
-void helper_vmsave(target_ulong addr);
-void helper_stgi(void);
-void helper_clgi(void);
-void helper_skinit(void);
-void helper_invlpga(void);
-void vmexit(uint64_t exit_code, uint64_t exit_info_1);
-
-extern const uint8_t parity_table[256];
-extern const uint8_t rclw_table[32];
-extern const uint8_t rclb_table[32];
-
static inline uint32_t compute_eflags(void)
{
- return env->eflags | cc_table[CC_OP].compute_all() | (DF & DF_MASK);
+ return env->eflags | helper_cc_compute_all(CC_OP) | (DF & DF_MASK);
}
/* NOTE: CC_OP must be modified manually to CC_OP_EFLAGS */
CC_SRC = eflags & (CC_O | CC_S | CC_Z | CC_A | CC_P | CC_C);
DF = 1 - (2 * ((eflags >> 10) & 1));
env->eflags = (env->eflags & ~update_mask) |
- (eflags & update_mask);
+ (eflags & update_mask) | 0x2;
}
-static inline void env_to_regs(void)
+static inline int cpu_has_work(CPUState *env)
{
-#ifdef reg_EAX
- EAX = env->regs[R_EAX];
-#endif
-#ifdef reg_ECX
- ECX = env->regs[R_ECX];
-#endif
-#ifdef reg_EDX
- EDX = env->regs[R_EDX];
-#endif
-#ifdef reg_EBX
- EBX = env->regs[R_EBX];
-#endif
-#ifdef reg_ESP
- ESP = env->regs[R_ESP];
-#endif
-#ifdef reg_EBP
- EBP = env->regs[R_EBP];
-#endif
-#ifdef reg_ESI
- ESI = env->regs[R_ESI];
-#endif
-#ifdef reg_EDI
- EDI = env->regs[R_EDI];
-#endif
-}
+ int work;
-static inline void regs_to_env(void)
-{
-#ifdef reg_EAX
- env->regs[R_EAX] = EAX;
-#endif
-#ifdef reg_ECX
- env->regs[R_ECX] = ECX;
-#endif
-#ifdef reg_EDX
- env->regs[R_EDX] = EDX;
-#endif
-#ifdef reg_EBX
- env->regs[R_EBX] = EBX;
-#endif
-#ifdef reg_ESP
- env->regs[R_ESP] = ESP;
-#endif
-#ifdef reg_EBP
- env->regs[R_EBP] = EBP;
-#endif
-#ifdef reg_ESI
- env->regs[R_ESI] = ESI;
-#endif
-#ifdef reg_EDI
- env->regs[R_EDI] = EDI;
-#endif
+ work = (env->interrupt_request & CPU_INTERRUPT_HARD) &&
+ (env->eflags & IF_MASK);
+ work |= env->interrupt_request & CPU_INTERRUPT_NMI;
+ work |= env->interrupt_request & CPU_INTERRUPT_INIT;
+ work |= env->interrupt_request & CPU_INTERRUPT_SIPI;
+
+ return work;
}
static inline int cpu_halted(CPUState *env) {
/* handle exit of HALTED state */
- if (!(env->hflags & HF_HALTED_MASK))
+ if (!env->halted)
return 0;
/* disable halt condition */
- if ((env->interrupt_request & CPU_INTERRUPT_HARD) &&
- (env->eflags & IF_MASK)) {
- env->hflags &= ~HF_HALTED_MASK;
+ if (cpu_has_work(env)) {
+ env->halted = 0;
return 0;
}
return EXCP_HALTED;
}
+/* load efer and update the corresponding hflags. XXX: do consistency
+ checks with cpuid bits ? */
+static inline void cpu_load_efer(CPUState *env, uint64_t val)
+{
+ env->efer = val;
+ env->hflags &= ~(HF_LMA_MASK | HF_SVME_MASK);
+ if (env->efer & MSR_EFER_LMA)
+ env->hflags |= HF_LMA_MASK;
+ if (env->efer & MSR_EFER_SVME)
+ env->hflags |= HF_SVME_MASK;
+}
+
+static inline void cpu_pc_from_tb(CPUState *env, TranslationBlock *tb)
+{
+ env->eip = tb->pc - tb->cs_base;
+}
+
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