* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
-typedef unsigned char uint8_t;
-typedef unsigned short uint16_t;
-typedef unsigned int uint32_t;
-typedef unsigned long long uint64_t;
-
-typedef signed char int8_t;
-typedef signed short int16_t;
-typedef signed int int32_t;
-typedef signed long long int64_t;
-
-#define bswap32(x) \
-({ \
- uint32_t __x = (x); \
- ((uint32_t)( \
- (((uint32_t)(__x) & (uint32_t)0x000000ffUL) << 24) | \
- (((uint32_t)(__x) & (uint32_t)0x0000ff00UL) << 8) | \
- (((uint32_t)(__x) & (uint32_t)0x00ff0000UL) >> 8) | \
- (((uint32_t)(__x) & (uint32_t)0xff000000UL) >> 24) )); \
-})
-
-#define NULL 0
-#include <fenv.h>
-
-typedef struct FILE FILE;
-extern FILE *logfile;
-extern int loglevel;
-extern int fprintf(FILE *, const char *, ...);
-extern int printf(const char *, ...);
-
-#ifdef __i386__
-register unsigned int T0 asm("ebx");
-register unsigned int T1 asm("esi");
-register unsigned int A0 asm("edi");
-register struct CPUX86State *env asm("ebp");
-#endif
-#ifdef __powerpc__
-register unsigned int EAX asm("r16");
-register unsigned int ECX asm("r17");
-register unsigned int EDX asm("r18");
-register unsigned int EBX asm("r19");
-register unsigned int ESP asm("r20");
-register unsigned int EBP asm("r21");
-register unsigned int ESI asm("r22");
-register unsigned int EDI asm("r23");
-register unsigned int T0 asm("r24");
-register unsigned int T1 asm("r25");
-register unsigned int A0 asm("r26");
-register struct CPUX86State *env asm("r27");
-#define USE_INT_TO_FLOAT_HELPERS
-#define BUGGY_GCC_DIV64
+#include "dyngen-exec.h"
+
+/* at least 4 register variables are defines */
+register struct CPUX86State *env asm(AREG0);
+register uint32_t T0 asm(AREG1);
+register uint32_t T1 asm(AREG2);
+register uint32_t T2 asm(AREG3);
+
+#define A0 T2
+
+/* if more registers are available, we define some registers too */
+#ifdef AREG4
+register uint32_t EAX asm(AREG4);
#define reg_EAX
-#define reg_ECX
-#define reg_EDX
-#define reg_EBX
-#define reg_ESP
-#define reg_EBP
-#define reg_ESI
-#define reg_EDI
#endif
-#ifdef __arm__
-register unsigned int T0 asm("r4");
-register unsigned int T1 asm("r5");
-register unsigned int A0 asm("r6");
-register struct CPUX86State *env asm("r7");
-#endif
-#ifdef __mips__
-register unsigned int T0 asm("s0");
-register unsigned int T1 asm("s1");
-register unsigned int A0 asm("s2");
-register struct CPUX86State *env asm("s3");
-#endif
-#ifdef __sparc__
-register unsigned int EAX asm("l0");
-register unsigned int ECX asm("l1");
-register unsigned int EDX asm("l2");
-register unsigned int EBX asm("l3");
-register unsigned int ESP asm("l4");
-register unsigned int EBP asm("l5");
-register unsigned int ESI asm("l6");
-register unsigned int EDI asm("l7");
-register unsigned int T0 asm("g1");
-register unsigned int T1 asm("g2");
-register unsigned int A0 asm("g3");
-register struct CPUX86State *env asm("g6");
-#define USE_FP_CONVERT
-#define reg_EAX
-#define reg_ECX
-#define reg_EDX
-#define reg_EBX
+
+#ifdef AREG5
+register uint32_t ESP asm(AREG5);
#define reg_ESP
+#endif
+
+#ifdef AREG6
+register uint32_t EBP asm(AREG6);
#define reg_EBP
-#define reg_ESI
-#define reg_EDI
#endif
-#ifdef __s390__
-register unsigned int T0 asm("r7");
-register unsigned int T1 asm("r8");
-register unsigned int A0 asm("r9");
-register struct CPUX86State *env asm("r10");
+
+#ifdef AREG7
+register uint32_t ECX asm(AREG7);
+#define reg_ECX
#endif
-#ifdef __alpha__
-register unsigned int T0 asm("$9");
-register unsigned int T1 asm("$10");
-register unsigned int A0 asm("$11");
-register unsigned int EAX asm("$12");
-register unsigned int ESP asm("$13");
-register unsigned int EBP asm("$14");
-/* Note $15 is the frame pointer, so anything in op-i386.c that would
- require a frame pointer, like alloca, would probably loose. */
-register struct CPUX86State *env asm("$15");
-#define reg_EAX
-#define reg_ESP
-#define reg_EBP
+
+#ifdef AREG8
+register uint32_t EDX asm(AREG8);
+#define reg_EDX
#endif
-#ifdef __ia64__
-register unsigned int T0 asm("r24");
-register unsigned int T1 asm("r25");
-register unsigned int A0 asm("r26");
-register struct CPUX86State *env asm("r27");
+
+#ifdef AREG9
+register uint32_t EBX asm(AREG9);
+#define reg_EBX
#endif
-/* force GCC to generate only one epilog at the end of the function */
-#define FORCE_RET() asm volatile ("");
+#ifdef AREG10
+register uint32_t ESI asm(AREG10);
+#define reg_ESI
+#endif
-#ifndef OPPROTO
-#define OPPROTO
+#ifdef AREG11
+register uint32_t EDI asm(AREG11);
+#define reg_EDI
#endif
-#define xglue(x, y) x ## y
-#define glue(x, y) xglue(x, y)
+extern FILE *logfile;
+extern int loglevel;
#ifndef reg_EAX
#define EAX (env->regs[R_EAX])
#define FP_CONVERT (env->fp_convert)
#endif
-#ifdef __alpha__
-/* the symbols are considered non exported so a br immediate is generated */
-#define __hidden __attribute__((visibility("hidden")))
-#else
-#define __hidden
-#endif
-
-#ifdef __alpha__
-/* Suggested by Richard Henderson. This will result in code like
- ldah $0,__op_param1($29) !gprelhigh
- lda $0,__op_param1($0) !gprellow
- We can then conveniently change $29 to $31 and adapt the offsets to
- emit the appropriate constant. */
-extern int __op_param1 __hidden;
-extern int __op_param2 __hidden;
-extern int __op_param3 __hidden;
-#define PARAM1 ({ int _r; asm("" : "=r"(_r) : "0" (&__op_param1)); _r; })
-#define PARAM2 ({ int _r; asm("" : "=r"(_r) : "0" (&__op_param2)); _r; })
-#define PARAM3 ({ int _r; asm("" : "=r"(_r) : "0" (&__op_param3)); _r; })
-#else
-extern int __op_param1, __op_param2, __op_param3;
-#define PARAM1 ((long)(&__op_param1))
-#define PARAM2 ((long)(&__op_param2))
-#define PARAM3 ((long)(&__op_param3))
-#endif
-extern int __op_jmp0, __op_jmp1;
-
#include "cpu-i386.h"
#include "exec.h"
extern CCTable cc_table[];
void load_seg(int seg_reg, int selector, unsigned cur_eip);
+void jmp_seg(int selector, unsigned int new_eip);
+void helper_iret_protected(int shift);
+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(unsigned int addr);
+void cpu_x86_update_cr0(CPUX86State *env);
+void cpu_x86_update_cr3(CPUX86State *env);
+void cpu_x86_flush_tlb(CPUX86State *env, uint32_t addr);
+int cpu_x86_handle_mmu_fault(CPUX86State *env, uint32_t addr, int is_write);
void __hidden cpu_lock(void);
void __hidden cpu_unlock(void);
+void do_interrupt(int intno, int is_int, int error_code,
+ unsigned int next_eip);
+void do_interrupt_user(int intno, int is_int, int error_code,
+ unsigned int next_eip);
void raise_interrupt(int intno, int is_int, int error_code,
unsigned int next_eip);
void raise_exception_err(int exception_index, int error_code);
unsigned int next_eip);
void raise_exception_err(int exception_index, int error_code);
void raise_exception(int exception_index);
+void helper_divl_EAX_T0(uint32_t eip);
+void helper_idivl_EAX_T0(uint32_t eip);
+void helper_cmpxchg8b(void);
void helper_cpuid(void);
+void helper_rdtsc(void);
void helper_lsl(void);
void helper_lar(void);
-
#ifdef USE_X86LDOUBLE
/* use long double functions */
#define lrint lrintl
#define MAXTAN 9223372036854775808.0
+#ifdef __arm__
+/* we have no way to do correct rounding - a FPU emulator is needed */
+#define FE_DOWNWARD FE_TONEAREST
+#define FE_UPWARD FE_TONEAREST
+#define FE_TOWARDZERO FE_TONEAREST
+#endif
+
#ifdef USE_X86LDOUBLE
/* only for x86 */
#else
+/* NOTE: arm is horrible as double 32 bit words are stored in big endian ! */
typedef union {
double d;
-#ifndef WORDS_BIGENDIAN
+#if !defined(WORDS_BIGENDIAN) && !defined(__arm__)
struct {
uint32_t lower;
int32_t upper;
uint32_t lower;
} l;
#endif
+#ifndef __arm__
int64_t ll;
+#endif
} CPU86_LDoubleU;
/* the following deal with IEEE double-precision numbers */
#define EXPBIAS 1023
#define EXPD(fp) (((fp.l.upper) >> 20) & 0x7FF)
#define SIGND(fp) ((fp.l.upper) & 0x80000000)
+#ifdef __arm__
+#define MANTD(fp) (fp.l.lower | ((uint64_t)(fp.l.upper & ((1 << 20) - 1)) << 32))
+#else
#define MANTD(fp) (fp.ll & ((1LL << 52) - 1))
+#endif
#define BIASEXPONENT(fp) fp.l.upper = (fp.l.upper & ~(0x7ff << 20)) | (EXPBIAS << 20)
#endif
{
CPU86_LDoubleU temp;
int upper, e;
+ uint64_t ll;
+
/* mantissa */
upper = lduw(ptr + 8);
/* XXX: handle overflow ? */
e = (upper & 0x7fff) - 16383 + EXPBIAS; /* exponent */
e |= (upper >> 4) & 0x800; /* sign */
- temp.ll = ((ldq(ptr) >> 11) & ((1LL << 52) - 1)) | ((uint64_t)e << 52);
+ ll = (ldq(ptr) >> 11) & ((1LL << 52) - 1);
+#ifdef __arm__
+ temp.l.upper = (e << 20) | (ll >> 32);
+ temp.l.lower = ll;
+#else
+ temp.ll = ll | ((uint64_t)e << 52);
+#endif
return temp.d;
}
{
CPU86_LDoubleU temp;
int e;
+
temp.d = f;
/* mantissa */
stq(ptr, (MANTD(temp) << 11) | (1LL << 63));
}
#endif
+const CPU86_LDouble f15rk[7];
+
void helper_fldt_ST0_A0(void);
void helper_fstt_ST0_A0(void);
void helper_fbld_ST0_A0(void);
void helper_fsave(uint8_t *ptr, int data32);
void helper_frstor(uint8_t *ptr, int data32);
+const uint8_t parity_table[256];
+const uint8_t rclw_table[32];
+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);
+}
+
+#define FL_UPDATE_MASK32 (TF_MASK | AC_MASK | ID_MASK)
+
+#define FL_UPDATE_CPL0_MASK (TF_MASK | IF_MASK | IOPL_MASK | NT_MASK | \
+ RF_MASK | AC_MASK | ID_MASK)
+
+/* NOTE: CC_OP must be modified manually to CC_OP_EFLAGS */
+static inline void load_eflags(int eflags, int update_mask)
+{
+ 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);
+}