sim/v850/v850_sim.h

   1 #include <stdio.h>
   2 #include <ctype.h>
   3 #include "ansidecl.h"
   4 #include "callback.h"
   5 #include "opcode/v850.h"
   6 #include <limits.h>
   7 #include "remote-sim.h"
   8
   9 extern host_callback *v850_callback;
  10
  11 #define DEBUG_TRACE             0x00000001
  12 #define DEBUG_VALUES            0x00000002
  13
  14 extern int v850_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 /* FIXME: V850 defines */
  47 typedef uint32 reg_t;
  48
  49 struct simops
  50 {
  51   long opcode;
  52   long mask;
  53   void (*func)();
  54   int numops;
  55   int operands[6];
  56 };
  57
  58 struct _state
  59 {
  60   reg_t regs[32];               /* general-purpose registers */
  61   reg_t sregs[32];              /* system regsiters, including psw */
  62   reg_t pc;
  63   uint8 *mem;
  64   int   exception;
  65 } State;
  66
  67 extern uint32 OP[4];
  68 extern struct simops Simops[];
  69
  70 #define PC      (State.pc)
  71
  72 #define PSW_NP 0x80
  73 #define PSW_EP 0x40
  74 #define PSW_ID 0x20
  75 #define PSW_SAT 0x10
  76 #define PSW_CY 0x8
  77 #define PSW_OV 0x4
  78 #define PSW_S 0x2
  79 #define PSW_Z 0x1
  80
  81 #define SEXT3(x)        ((((x)&0x7)^(~0x3))+0x4)
  82
  83 /* sign-extend a 4-bit number */
  84 #define SEXT4(x)        ((((x)&0xf)^(~0x7))+0x8)
  85
  86 /* sign-extend a 5-bit number */
  87 #define SEXT5(x)        ((((x)&0x1f)^(~0xf))+0x10)
  88
  89 /* sign-extend a 7-bit number */
  90 #define SEXT7(x)        ((((x)&0x7f)^(~0x4f))+0x40)
  91
  92 /* sign-extend an 8-bit number */
  93 #define SEXT8(x)        ((((x)&0xff)^(~0x7f))+0x80)
  94
  95 /* sign-extend a 9-bit number */
  96 #define SEXT9(x)        ((((x)&0x1ff)^(~0xff))+0x100)
  97
  98 /* sign-extend a 16-bit number */
  99 #define SEXT16(x)       ((((x)&0xffff)^(~0x7fff))+0x8000)
 100
 101 /* sign-extend a 22-bit number */
 102 #define SEXT22(x)       ((((x)&0x3fffff)^(~0x1fffff))+0x200000)
 103
 104 /* sign-extend a 32-bit number */
 105 #define SEXT32(x)       ((((x)&0xffffffffLL)^(~0x7fffffffLL))+0x80000000LL)
 106
 107 /* sign extend a 40 bit number */
 108 #define SEXT40(x)       ((((x)&0xffffffffffLL)^(~0x7fffffffffLL))+0x8000000000LL)
 109
 110 /* sign extend a 44 bit number */
 111 #define SEXT44(x)       ((((x)&0xfffffffffffLL)^(~0x7ffffffffffLL))+0x80000000000LL)
 112
 113 /* sign extend a 60 bit number */
 114 #define SEXT60(x)       ((((x)&0xfffffffffffffffLL)^(~0x7ffffffffffffffLL))+0x800000000000000LL)
 115
 116 #define MAX32   0x7fffffffLL
 117 #define MIN32   0xff80000000LL
 118 #define MASK32  0xffffffffLL
 119 #define MASK40  0xffffffffffLL
 120
 121 #define INC_ADDR(x,i)   x = ((State.MD && x == MOD_E) ? MOD_S : (x)+(i))
 122
 123 /*#define       RB(x)   (*((uint8 *)((x)+State.mem)))*/
 124 /*#define SB(addr,data) ( RB(addr) = (data & 0xff))*/
 125
 126 uint32 get_word PARAMS ((uint8 *));
 127 uint16 get_half PARAMS ((uint8 *));
 128 uint8 get_byte PARAMS ((uint8 *));
 129 void put_word PARAMS ((uint8 *, uint32));
 130 void put_half PARAMS ((uint8 *, uint16));
 131 void put_byte PARAMS ((uint8 *, uint8));
 132
 133 uint32 load_mem PARAMS ((SIM_ADDR addr, int len));
 134 void store_mem PARAMS ((SIM_ADDR addr, int len, uint32 data));
 135
 136 uint8 *map PARAMS ((SIM_ADDR addr));
 137
 138 #define RLW(x) load_mem (x, 4)
 139
 140 #ifdef _WIN32
 141 #define SIGTRAP 5
 142 #define SIGQUIT 3
 143 #endif