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 numops;
  55   int operands[16];
  56 };
  57
  58 /* The current state of the processor; registers, memory, etc.  */
  59
  60 struct _state
  61 {
  62   reg_t regs[9];                /* registers, d0-d3, a0-a3, sp */
  63   reg_t sregs[8];               /* system registers, including psw */
  64   reg_t pc;
  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.pc)
  73
  74 #define PSW (State.sregs[0])
  75
  76 #define SEXT3(x)        ((((x)&0x7)^(~0x3))+0x4)
  77
  78 /* sign-extend a 4-bit number */
  79 #define SEXT4(x)        ((((x)&0xf)^(~0x7))+0x8)
  80
  81 /* sign-extend a 5-bit number */
  82 #define SEXT5(x)        ((((x)&0x1f)^(~0xf))+0x10)
  83
  84 /* sign-extend an 8-bit number */
  85 #define SEXT8(x)        ((((x)&0xff)^(~0x7f))+0x80)
  86
  87 /* sign-extend a 9-bit number */
  88 #define SEXT9(x)        ((((x)&0x1ff)^(~0xff))+0x100)
  89
  90 /* sign-extend a 16-bit number */
  91 #define SEXT16(x)       ((((x)&0xffff)^(~0x7fff))+0x8000)
  92
  93 /* sign-extend a 22-bit number */
  94 #define SEXT22(x)       ((((x)&0x3fffff)^(~0x1fffff))+0x200000)
  95
  96 /* sign-extend a 32-bit number */
  97 #define SEXT32(x)       ((((x)&0xffffffffLL)^(~0x7fffffffLL))+0x80000000LL)
  98
  99 /* sign extend a 40 bit number */
 100 #define SEXT40(x)       ((((x)&0xffffffffffLL)^(~0x7fffffffffLL))+0x8000000000LL)
 101
 102 /* sign extend a 44 bit number */
 103 #define SEXT44(x)       ((((x)&0xfffffffffffLL)^(~0x7ffffffffffLL))+0x80000000000LL)
 104
 105 /* sign extend a 60 bit number */
 106 #define SEXT60(x)       ((((x)&0xfffffffffffffffLL)^(~0x7ffffffffffffffLL))+0x800000000000000LL)
 107
 108 #define MAX32   0x7fffffffLL
 109 #define MIN32   0xff80000000LL
 110 #define MASK32  0xffffffffLL
 111 #define MASK40  0xffffffffffLL
 112
 113 #define RLW(x) load_mem (x, 4)
 114
 115 #ifdef _WIN32
 116 #define SIGTRAP 5
 117 #define SIGQUIT 3
 118 #endif
 119
 120 /* Function declarations.  */
 121
 122 uint32 get_word PARAMS ((uint8 *));
 123 uint16 get_half PARAMS ((uint8 *));
 124 uint8 get_byte PARAMS ((uint8 *));
 125 void put_word PARAMS ((uint8 *, uint32));
 126 void put_half PARAMS ((uint8 *, uint16));
 127 void put_byte PARAMS ((uint8 *, uint8));
 128
 129 extern uint32 load_mem PARAMS ((SIM_ADDR addr, int len));
 130 extern void store_mem PARAMS ((SIM_ADDR addr, int len, uint32 data));
 131
 132 extern uint8 *map PARAMS ((SIM_ADDR addr));