arm2x86.h

skyeye-1.0.0.rar surce code

#ifndef _ARM2X86_H_
#define _ARM2X86_H_

#include <limits.h>

/*
typedef unsigned char		uint8_t;
typedef unsigned short		uint16_t;
typedef unsigned int		uint32_t;
#if defined (__x86_64__)
typedef unsigned long		uint64_t;
#else
typedef unsigned long long	uint64_t;
#endif
*/

/*
typedef signed char		int8_t;
typedef signed short		int16_t;
typedef signed int		int32_t;
#if defined (__x86_64__)
typedef signed long		int64_t;
#else
typedef signed long long	int64_t;
#endif
*/
//chy 2005-05-11
/*#ifndef __CYGWIN__
#define INT8_MIN		(-128)
#define INT16_MIN		(-32767-1)
#define INT32_MIN		(-2147483647-1)
#define INT64_MIN		(-(int64_t)(9223372036854775807)-1)
#define INT8_MAX		(127)
#define INT16_MAX		(32767)
#define INT32_MAX		(2147483647)
#define INT64_MAX		((int64_t)(9223372036854775807))
#define UINT8_MAX		(255)
#define UINT16_MAX		(65535)
#define UINT32_MAX		(4294967295U)
#define UINT64_MAX		((uint64_t)(18446744073709551615))
#endif*/

#define TRAP_SET_R15		0x01

#define TRAP_RESET		0x10
#define TRAP_INSN_UNDEF		0x11
#define TRAP_SWI		0x12
#define TRAP_INSN_ABORT		0x13
#define TRAP_DATA_ABORT		0x14
#define TRAP_IRQ		0x15
#define TRAP_FIQ		0x16

#define TRAP_SETS_R15		0x20
#define TRAP_SET_CPSR		0x21
#define TRAP_UNPREDICTABLE	0x22

//teawater change for debug function 2005.07.09---------------------------------
#define TRAP_OUT		0x30
#define TRAP_BREAKPOINT		0x40
//AJ2D--------------------------------------------------------------------------

#define wmb()			__asm__ __volatile__ ("": : :"memory")
#define OP_BEGIN(f)		__asm__ __volatile__ ("jmp ."f"_teawater_op_end\n\t""."f"_teawater_op_begin:\n\t")
#define OP_END(f)		__asm__ __volatile__ ("."f"_teawater_op_end:\n\t""movl $."f"_teawater_op_begin,%0\n\t""movl $."f"_teawater_op_end,%1\n\t":"=g"(begin), "=g"(end));
#define GEN_OP(a, l, o)		do { if(a) { memcpy(a, o.op, o.len);a += o.len; } l += o.len; } while(0)

#define Tx_MAX		2
#define tmp_MAX		0

typedef struct	op_table_s {
	uint8_t	*op;
	int	len;
}op_table_t;

extern const uint8_t		table_logic_cc[16];
//chy 2005-05-11
#ifndef __CYGWIN__
extern volatile uint32_t	arm2x86_pfun;
#else
extern volatile void (*arm2x86_pfun)(void);
#endif
extern uint32_t			arm2x86_tmp_reg[16];
extern volatile uint32_t	arm2x86_tmp0;

extern op_table_t		op_writesr15;
extern op_table_t		op_return;
extern op_table_t		op_addpc;
//extern op_table_t		op_fiqirq;
extern op_table_t		op_begin;
extern op_table_t		op_begin_test_T0;

extern int	arm2x86_init();

#ifndef IFLAG
#define IFLAG	(state->IFFlags >> 1)
#endif	//IFLAG

#ifndef FFLAG
#define FFLAG	(state->IFFlags & 1)
#endif	//FFLAG

static __inline__ int
arm2x86_exception(ARMul_State *state)
{
	if (state->Exception) {
		//reset
		if (state->NresetSig == LOW) {
			state->trap = TRAP_RESET;
			return(1);
		}
		//fig
		if (!state->NfiqSig && !FFLAG) {
			state->trap = TRAP_FIQ;
			return(1);
		}
		//irq
		if (!state->NirqSig && !IFLAG) {
			state->trap = TRAP_IRQ;
			return(1);
		}
	}

	return(0);
}

#endif	//_ARM2X86_H_