sim/mn10300/mn10300_sim.h

   1 #include <stdio.h>
   2 #include <ctype.h>
   3 #include "ansidecl.h"
   4 #include "callback.h"
   5 #include "opcode/mn10300.h"
   6 #include <limits.h>
   7 #include "remote-sim.h"
   8
   9 extern host_callback *mn10300_callback;
  10
  11 #define DEBUG_TRACE             0x00000001
  12 #define DEBUG_VALUES            0x00000002
  13
  14 extern int mn10300_debug;
  15
  16 #if UCHAR_MAX == 255
  17 typedef unsigned char uint8;
  18 typedef signed char int8;
  19 #else
  20 #error "Char is not an 8-bit type"
  21 #endif
  22
  23 #if SHRT_MAX == 32767
  24 typedef unsigned short uint16;
  25 typedef signed short int16;
  26 #else
  27 #error "Short is not a 16-bit type"
  28 #endif
  29
  30 #if INT_MAX == 2147483647
  31
  32 typedef unsigned int uint32;
  33 typedef signed int int32;
  34
  35 #else
  36 #  if LONG_MAX == 2147483647
  37
  38 typedef unsigned long uint32;
  39 typedef signed long int32;
  40
  41 #  else
  42 #  error "Neither int nor long is a 32-bit type"
  43 #  endif
  44 #endif
  45
  46 typedef uint32 reg_t;
  47
  48 struct simops
  49 {
  50   long opcode;
  51   long mask;
  52   void (*func)();
  53   int length;
  54   int format;
  55   int numops;
  56   int operands[16];
  57 };
  58
  59 /* The current state of the processor; registers, memory, etc.  */
  60
  61 struct _state
  62 {
  63   reg_t regs[15];               /* registers, d0-d3, a0-a3, sp, pc, mdr, psw,
  64                                    lir, lar, mdrq */
  65   uint8 *mem;                   /* main memory */
  66   int exception;
  67 } State;
  68
  69 extern uint32 OP[4];
  70 extern struct simops Simops[];
  71
  72 #define PC      (State.regs[9])
  73
  74 #define PSW (State.regs[11])
  75 #define PSW_Z 0x1
  76 #define PSW_N 0x2
  77 #define PSW_C 0x4
  78 #define PSW_V 0x8
  79
  80 #define REG_D0 0
  81 #define REG_A0 4
  82 #define REG_SP 8
  83 #define REG_PC 9
  84 #define REG_MDR 10
  85 #define REG_PSW 11
  86 #define REG_LIR 12
  87 #define REG_LAR 13
  88 #define REG_MDRQ 14
  89
  90 #define SEXT3(x)        ((((x)&0x7)^(~0x3))+0x4)
  91
  92 /* sign-extend a 4-bit number */
  93 #define SEXT4(x)        ((((x)&0xf)^(~0x7))+0x8)
  94
  95 /* sign-extend a 5-bit number */
  96 #define SEXT5(x)        ((((x)&0x1f)^(~0xf))+0x10)
  97
  98 /* sign-extend an 8-bit number */
  99 #define SEXT8(x)        ((((x)&0xff)^(~0x7f))+0x80)
 100
 101 /* sign-extend a 9-bit number */
 102 #define SEXT9(x)        ((((x)&0x1ff)^(~0xff))+0x100)
 103
 104 /* sign-extend a 16-bit number */
 105 #define SEXT16(x)       ((((x)&0xffff)^(~0x7fff))+0x8000)
 106
 107 /* sign-extend a 22-bit number */
 108 #define SEXT22(x)       ((((x)&0x3fffff)^(~0x1fffff))+0x200000)
 109
 110 #define MAX32   0x7fffffffLL
 111 #define MIN32   0xff80000000LL
 112 #define MASK32  0xffffffffLL
 113 #define MASK40  0xffffffffffLL
 114
 115 #define RLW(x) load_mem (x, 4)
 116
 117 #ifdef _WIN32
 118 #define SIGTRAP 5
 119 #define SIGQUIT 3
 120 #endif
 121
 122 /* Function declarations.  */
 123
 124 uint32 get_word PARAMS ((uint8 *));
 125 uint16 get_half PARAMS ((uint8 *));
 126 uint8 get_byte PARAMS ((uint8 *));
 127 void put_word PARAMS ((uint8 *, uint32));
 128 void put_half PARAMS ((uint8 *, uint16));
 129 void put_byte PARAMS ((uint8 *, uint8));
 130
 131 extern uint32 load_mem PARAMS ((SIM_ADDR addr, int len));
 132 extern void store_mem PARAMS ((SIM_ADDR addr, int len, uint32 data));
 133
 134 extern uint8 *map PARAMS ((SIM_ADDR addr));