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authorJeff Law <law@redhat.com>1996-11-25 19:52:08 +0000
committerJeff Law <law@redhat.com>1996-11-25 19:52:08 +0000
commit05ccbdfdd2e71b1dafc8561a01ac8945e676e1af (patch)
treea203a95f2d39a427d75c76673476251f1b602188 /sim/mn10300/mn10300_sim.h
parent731c7b4bb8c3ae4b47817c91ca18bdd69b617386 (diff)
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* Makefile.in, config.in, configure, configure.in: New files.
* gencode.c, interp.c, mn10300_sim.h, simops.c: New files. Skeleton mn10300 simulator
Diffstat (limited to 'sim/mn10300/mn10300_sim.h')
-rw-r--r--sim/mn10300/mn10300_sim.h131
1 files changed, 131 insertions, 0 deletions
diff --git a/sim/mn10300/mn10300_sim.h b/sim/mn10300/mn10300_sim.h
new file mode 100644
index 0000000..b18dee8
--- /dev/null
+++ b/sim/mn10300/mn10300_sim.h
@@ -0,0 +1,131 @@
+#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 numops;
+ int operands[16];
+};
+
+/* The current state of the processor; registers, memory, etc. */
+
+struct _state
+{
+ reg_t regs[9]; /* registers, d0-d3, a0-a3, sp */
+ reg_t sregs[8]; /* system registers, including psw */
+ reg_t pc;
+ uint8 *mem; /* main memory */
+ int exception;
+} State;
+
+extern uint32 OP[4];
+extern struct simops Simops[];
+
+#define PC (State.pc)
+
+#define PSW (State.sregs[0])
+
+#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)
+
+/* sign-extend a 32-bit number */
+#define SEXT32(x) ((((x)&0xffffffffLL)^(~0x7fffffffLL))+0x80000000LL)
+
+/* sign extend a 40 bit number */
+#define SEXT40(x) ((((x)&0xffffffffffLL)^(~0x7fffffffffLL))+0x8000000000LL)
+
+/* sign extend a 44 bit number */
+#define SEXT44(x) ((((x)&0xfffffffffffLL)^(~0x7ffffffffffLL))+0x80000000000LL)
+
+/* sign extend a 60 bit number */
+#define SEXT60(x) ((((x)&0xfffffffffffffffLL)^(~0x7ffffffffffffffLL))+0x800000000000000LL)
+
+#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));