mirror of
https://sourceware.org/git/binutils-gdb.git
synced 2024-12-21 04:42:53 +08:00
135 lines
2.7 KiB
C
135 lines
2.7 KiB
C
#include <stdio.h>
|
|
#include <ctype.h>
|
|
#include "ansidecl.h"
|
|
#include "callback.h"
|
|
#include "opcode/mn10300.h"
|
|
#include <limits.h>
|
|
#include "remote-sim.h"
|
|
|
|
extern host_callback *mn10300_callback;
|
|
|
|
#define DEBUG_TRACE 0x00000001
|
|
#define DEBUG_VALUES 0x00000002
|
|
|
|
extern int mn10300_debug;
|
|
|
|
#if UCHAR_MAX == 255
|
|
typedef unsigned char uint8;
|
|
typedef signed char int8;
|
|
#else
|
|
#error "Char is not an 8-bit type"
|
|
#endif
|
|
|
|
#if SHRT_MAX == 32767
|
|
typedef unsigned short uint16;
|
|
typedef signed short int16;
|
|
#else
|
|
#error "Short is not a 16-bit type"
|
|
#endif
|
|
|
|
#if INT_MAX == 2147483647
|
|
|
|
typedef unsigned int uint32;
|
|
typedef signed int int32;
|
|
|
|
#else
|
|
# if LONG_MAX == 2147483647
|
|
|
|
typedef unsigned long uint32;
|
|
typedef signed long int32;
|
|
|
|
# else
|
|
# error "Neither int nor long is a 32-bit type"
|
|
# endif
|
|
#endif
|
|
|
|
typedef uint32 reg_t;
|
|
|
|
struct simops
|
|
{
|
|
long opcode;
|
|
long mask;
|
|
void (*func)();
|
|
int length;
|
|
int format;
|
|
int numops;
|
|
int operands[16];
|
|
};
|
|
|
|
/* The current state of the processor; registers, memory, etc. */
|
|
|
|
struct _state
|
|
{
|
|
reg_t regs[15]; /* registers, d0-d3, a0-a3, sp, pc, mdr, psw,
|
|
lir, lar, mdrq */
|
|
uint8 *mem; /* main memory */
|
|
int exception;
|
|
} State;
|
|
|
|
extern uint32 OP[4];
|
|
extern struct simops Simops[];
|
|
|
|
#define PC (State.regs[9])
|
|
|
|
#define PSW (State.regs[11])
|
|
#define PSW_Z 0x1
|
|
#define PSW_N 0x2
|
|
#define PSW_C 0x4
|
|
#define PSW_V 0x8
|
|
|
|
#define REG_D0 0
|
|
#define REG_A0 4
|
|
#define REG_SP 8
|
|
#define REG_PC 9
|
|
#define REG_MDR 10
|
|
#define REG_PSW 11
|
|
#define REG_LIR 12
|
|
#define REG_LAR 13
|
|
#define REG_MDRQ 14
|
|
|
|
#define SEXT3(x) ((((x)&0x7)^(~0x3))+0x4)
|
|
|
|
/* sign-extend a 4-bit number */
|
|
#define SEXT4(x) ((((x)&0xf)^(~0x7))+0x8)
|
|
|
|
/* sign-extend a 5-bit number */
|
|
#define SEXT5(x) ((((x)&0x1f)^(~0xf))+0x10)
|
|
|
|
/* sign-extend an 8-bit number */
|
|
#define SEXT8(x) ((((x)&0xff)^(~0x7f))+0x80)
|
|
|
|
/* sign-extend a 9-bit number */
|
|
#define SEXT9(x) ((((x)&0x1ff)^(~0xff))+0x100)
|
|
|
|
/* sign-extend a 16-bit number */
|
|
#define SEXT16(x) ((((x)&0xffff)^(~0x7fff))+0x8000)
|
|
|
|
/* sign-extend a 22-bit number */
|
|
#define SEXT22(x) ((((x)&0x3fffff)^(~0x1fffff))+0x200000)
|
|
|
|
#define MAX32 0x7fffffffLL
|
|
#define MIN32 0xff80000000LL
|
|
#define MASK32 0xffffffffLL
|
|
#define MASK40 0xffffffffffLL
|
|
|
|
#define RLW(x) load_mem (x, 4)
|
|
|
|
#ifdef _WIN32
|
|
#define SIGTRAP 5
|
|
#define SIGQUIT 3
|
|
#endif
|
|
|
|
/* Function declarations. */
|
|
|
|
uint32 get_word PARAMS ((uint8 *));
|
|
uint16 get_half PARAMS ((uint8 *));
|
|
uint8 get_byte PARAMS ((uint8 *));
|
|
void put_word PARAMS ((uint8 *, uint32));
|
|
void put_half PARAMS ((uint8 *, uint16));
|
|
void put_byte PARAMS ((uint8 *, uint8));
|
|
|
|
extern uint32 load_mem PARAMS ((SIM_ADDR addr, int len));
|
|
extern void store_mem PARAMS ((SIM_ADDR addr, int len, uint32 data));
|
|
|
|
extern uint8 *map PARAMS ((SIM_ADDR addr));
|