Initial creation of sourceware repositorygdb-4_18-branchpoint

1 files changed, 101 insertions, 0 deletions

diff --git a/sim/h8500/inst.h b/sim/h8500/inst.h
new file mode 100644
index 0000000..328ca94
--- /dev/null
+++ b/sim/h8500/inst.h
@@ -0,0 +1,101 @@
+#define DEBUG
+
+#define H8500_MSIZE (8*64*1024)
+#define CSIZE 1000
+
+
+union rtype 
+    {
+      unsigned long l;
+      unsigned short s[2];
+      unsigned char *c;
+    };
+
+
+/* Local register names */
+typedef enum
+{
+  R0, R1, R2, R3, R4, R5, R6, R7,
+  R_SR,				/* 8 */
+  R_PC,				/* 9 */
+  R_BR,				/* 10 */
+  R_BP,				/* 11 */
+  R_CP,				/* 14 */
+  R_DP,				/* 13 */
+  R_EP,				/* 12 */
+  R_TP,				/* 15 */
+  R_HARD_0,			/* 16 */
+  R_HARD8_0,			/* 17 */
+  R_LAST,
+} reg_type;
+
+
+
+
+typedef struct
+{
+  fastref type;
+  union
+    {
+      int code;
+      unsigned char *bptr;
+      unsigned short *wptr;
+      unsigned long *lptr;
+      unsigned char **segptr;
+      union rtype *rptr;
+      
+    }
+  reg;
+  int literal;
+  union
+    {
+      unsigned char **segreg;
+      unsigned short *wptr;
+      union rtype *rptr;
+    }
+  r2;
+}
+
+ea_type;
+
+
+
+typedef struct
+{
+  ea_type srca;
+  ea_type srcb;
+  ea_type dst;
+  fastref opcode;
+  fastref flags;
+  int next_pc;
+  int oldpc;
+  int cycles;
+#ifdef DEBUG
+  h8500_opcode_info *op;
+#endif
+}
+
+decoded_inst;
+
+
+
+typedef struct
+{
+  int exception;
+  union rtype   regs[20];
+  
+
+
+  unsigned char *memory;
+  unsigned short *cache_idx;
+  int cache_top;
+  int maximum;
+  int csize;
+  decoded_inst *cache;
+  int cycles;
+  int insts;
+  int ticks;
+  int compiles;
+}
+
+cpu_state_type;