aboutsummaryrefslogtreecommitdiff
path: root/sim/mn10300/mn10300_sim.h
diff options
context:
space:
mode:
Diffstat (limited to 'sim/mn10300/mn10300_sim.h')
-rw-r--r--sim/mn10300/mn10300_sim.h214
1 files changed, 209 insertions, 5 deletions
diff --git a/sim/mn10300/mn10300_sim.h b/sim/mn10300/mn10300_sim.h
index 40cef23..ccc7e46 100644
--- a/sim/mn10300/mn10300_sim.h
+++ b/sim/mn10300/mn10300_sim.h
@@ -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));