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New {load/store}_{byte/half/word} macros for simulator built with 

common framework.
This commit is contained in:
Joyce Janczyn 1998-03-24 20:11:44 +00:00
parent 0543ebbb26
commit 13e0e254dc
1 changed files with 209 additions and 5 deletions
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214
sim/mn10300/mn10300_sim.h
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@ -6,7 +6,16 @@
#include <limits.h>
#include "remote-sim.h"
#ifndef INLINE
#ifdef __GNUC__
#define INLINE inline
#else
#define INLINE
#endif
#endif
extern host_callback *mn10300_callback;
extern SIM_DESC simulator;
#define DEBUG_TRACE 0x00000001
#define DEBUG_VALUES 0x00000002
@ -64,6 +73,7 @@ struct _state
lir, lar, mdrq */
uint8 *mem; /* main memory */
int exception;
int exited;
} State;
extern uint32 OP[4];
@ -87,6 +97,9 @@ extern struct simops Simops[];
#define REG_LAR 13
#define REG_MDRQ 14
#if WITH_COMMON
/* These definitions conflict with similar macros in common. */
#else
#define SEXT3(x) ((((x)&0x7)^(~0x3))+0x4)
/* sign-extend a 4-bit number */
@ -111,14 +124,208 @@ extern struct simops Simops[];
#define MIN32 0xff80000000LL
#define MASK32 0xffffffffLL
#define MASK40 0xffffffffffLL
#define RLW(x) load_mem (x, 4)
#endif /* not WITH_COMMON */
#ifdef _WIN32
#define SIGTRAP 5
#define SIGQUIT 3
#endif
#if WITH_COMMON
#define FETCH32(a,b,c,d) \
((a)+((b)<<8)+((c)<<16)+((d)<<24))
#define FETCH16(a,b) ((a)+((b)<<8))
#define load_byte(ADDR) \
sim_core_read_unaligned_1 (STATE_CPU (simulator, 0), PC, read_map, (ADDR))
#define load_half(ADDR) \
sim_core_read_unaligned_2 (STATE_CPU (simulator, 0), PC, read_map, (ADDR))
#define load_word(ADDR) \
sim_core_read_unaligned_4 (STATE_CPU (simulator, 0), PC, read_map, (ADDR))
#define store_byte(ADDR, DATA) \
sim_core_write_unaligned_1 (STATE_CPU (simulator, 0), \
PC, write_map, (ADDR), (DATA))
#define store_half(ADDR, DATA) \
sim_core_write_unaligned_2 (STATE_CPU (simulator, 0), \
PC, write_map, (ADDR), (DATA))
#define store_word(ADDR, DATA) \
sim_core_write_unaligned_4 (STATE_CPU (simulator, 0), \
PC, write_map, (ADDR), (DATA))
#endif /* WITH_COMMON */
#if WITH_COMMON
#else
#define load_mem_big(addr,len) \
(len == 1 ? *((addr) + State.mem) : \
len == 2 ? ((*((addr) + State.mem) << 8) \
| *(((addr) + 1) + State.mem)) : \
len == 3 ? ((*((addr) + State.mem) << 16) \
| (*(((addr) + 1) + State.mem) << 8) \
| *(((addr) + 2) + State.mem)) : \
((*((addr) + State.mem) << 24) \
| (*(((addr) + 1) + State.mem) << 16) \
| (*(((addr) + 2) + State.mem) << 8) \
| *(((addr) + 3) + State.mem)))
static INLINE uint32
load_byte (addr)
SIM_ADDR addr;
{
uint8 *p = (addr & 0xffffff) + State.mem;
#ifdef CHECK_ADDR
if ((addr & 0xffffff) > max_mem)
abort ();
#endif
return p[0];
}
static INLINE uint32
load_half (addr)
SIM_ADDR addr;
{
uint8 *p = (addr & 0xffffff) + State.mem;
#ifdef CHECK_ADDR
if ((addr & 0xffffff) > max_mem)
abort ();
#endif
return p[1] << 8 | p[0];
}
static INLINE uint32
load_3_byte (addr)
SIM_ADDR addr;
{
uint8 *p = (addr & 0xffffff) + State.mem;
#ifdef CHECK_ADDR
if ((addr & 0xffffff) > max_mem)
abort ();
#endif
return p[2] << 16 | p[1] << 8 | p[0];
}
static INLINE uint32
load_word (addr)
SIM_ADDR addr;
{
uint8 *p = (addr & 0xffffff) + State.mem;
#ifdef CHECK_ADDR
if ((addr & 0xffffff) > max_mem)
abort ();
#endif
return p[3] << 24 | p[2] << 16 | p[1] << 8 | p[0];
}
static INLINE uint32
load_mem (addr, len)
SIM_ADDR addr;
int len;
{
uint8 *p = (addr & 0xffffff) + State.mem;
#ifdef CHECK_ADDR
if ((addr & 0xffffff) > max_mem)
abort ();
#endif
switch (len)
{
case 1:
return p[0];
case 2:
return p[1] << 8 | p[0];
case 3:
return p[2] << 16 | p[1] << 8 | p[0];
case 4:
return p[3] << 24 | p[2] << 16 | p[1] << 8 | p[0];
default:
abort ();
}
}
static INLINE void
store_byte (addr, data)
SIM_ADDR addr;
uint32 data;
{
uint8 *p = (addr & 0xffffff) + State.mem;
#ifdef CHECK_ADDR
if ((addr & 0xffffff) > max_mem)
abort ();
#endif
p[0] = data;
}
static INLINE void
store_half (addr, data)
SIM_ADDR addr;
uint32 data;
{
uint8 *p = (addr & 0xffffff) + State.mem;
#ifdef CHECK_ADDR
if ((addr & 0xffffff) > max_mem)
abort ();
#endif
p[0] = data;
p[1] = data >> 8;
}
static INLINE void
store_3_byte (addr, data)
SIM_ADDR addr;
uint32 data;
{
uint8 *p = (addr & 0xffffff) + State.mem;
#ifdef CHECK_ADDR
if ((addr & 0xffffff) > max_mem)
abort ();
#endif
p[0] = data;
p[1] = data >> 8;
p[2] = data >> 16;
}
static INLINE void
store_word (addr, data)
SIM_ADDR addr;
uint32 data;
{
uint8 *p = (addr & 0xffffff) + State.mem;
#ifdef CHECK_ADDR
if ((addr & 0xffffff) > max_mem)
abort ();
#endif
p[0] = data;
p[1] = data >> 8;
p[2] = data >> 16;
p[3] = data >> 24;
}
#endif /* not WITH_COMMON */
/* Function declarations. */
uint32 get_word PARAMS ((uint8 *));
@ -128,7 +335,4 @@ 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));