Archipelago » qemu

/*

 *  i386 execution defines 

 *

 *  Copyright (c) 2003 Fabrice Bellard

 *

 * This library is free software; you can redistribute it and/or

 * modify it under the terms of the GNU Lesser General Public

 * License as published by the Free Software Foundation; either

 * version 2 of the License, or (at your option) any later version.

 *

 * This library is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

 * 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

 */

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

#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

#define reg_ESP

#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");

#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");

register struct CPUX86State *env asm("$15");

#define reg_EAX

#define reg_ESP

#define reg_EBP

#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");

#endif

/* force GCC to generate only one epilog at the end of the function */

#define FORCE_RET() asm volatile ("");

#ifndef OPPROTO

#define OPPROTO

#endif

#define xglue(x, y) x ## y

#define glue(x, y) xglue(x, y)

#ifndef reg_EAX

#define EAX (env->regs[R_EAX])

#endif

#ifndef reg_ECX

#define ECX (env->regs[R_ECX])

#endif

#ifndef reg_EDX

#define EDX (env->regs[R_EDX])

#endif

#ifndef reg_EBX

#define EBX (env->regs[R_EBX])

#endif

#ifndef reg_ESP

#define ESP (env->regs[R_ESP])

#endif

#ifndef reg_EBP

#define EBP (env->regs[R_EBP])

#endif

#ifndef reg_ESI

#define ESI (env->regs[R_ESI])

#endif

#ifndef reg_EDI

#define EDI (env->regs[R_EDI])

#endif

#define EIP  (env->eip)

#define DF  (env->df)

#define CC_SRC (env->cc_src)

#define CC_DST (env->cc_dst)

#define CC_OP  (env->cc_op)

/* float macros */

#define FT0    (env->ft0)

#define ST0    (env->fpregs[env->fpstt])

#define ST(n)  (env->fpregs[(env->fpstt + (n)) & 7])

#define ST1    ST(1)

#ifdef USE_FP_CONVERT

#define FP_CONVERT  (env->fp_convert)

#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 __attribute__((visibility("hidden")));

extern int __op_param2 __attribute__((visibility("hidden")));

extern int __op_param3 __attribute__((visibility("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"

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, unsigned cur_eip);

void cpu_lock(void);

void cpu_unlock(void);

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);

void raise_exception(int exception_index);

void cpu_loop_exit(void);

void OPPROTO op_movl_eflags_T0(void);

void OPPROTO op_movl_T0_eflags(void);