zpu/sw/emulation/zpuemu.h

   1 /* ZPU emulation library header
   2  *
   3  * (c) 2011, Martin Strubel <hackfin@section5.ch>
   4  *
   5  *
   6  */
   7
   8
   9 #include <stdint.h>
  10
  11 #include "zpu-tap.h"
  12 #include "tap.h"
  13
  14 #define REGISTER     uint32_t
  15 #define ADDR         uint32_t
  16
  17 // #define LDST_32 4
  18 // #define LDST_16 2
  19 // #define LDST_8  1
  20
  21 #define REG_PC 0
  22 #define REG_SP 1
  23
  24 struct _cpu;
  25
  26 typedef struct _cpu_context {
  27         struct _cpu *cpu;
  28         JTAG_CTRL    jtag;           // Pointer to used JTAG controller
  29         short        id;             // identification tag
  30         short        flags;          // Interrupt flag - did we Ctrl-C ?
  31         short        prev_state;     // CPU's previous' state (for change detect)
  32         // Dual core stuff
  33 } CpuContext;
  34
  35 int zpu_emuinit(CpuContext *c, JTAG_CTRL jtag);
  36 int zpu_getid(CpuContext *c, uint32_t *code);
  37 int zpu_emulation(CpuContext *c, int which);
  38 int zpu_resume(CpuContext *c, int step);
  39 int zpu_setreg(CpuContext *c, int regno, REGISTER val);
  40 int zpu_getreg(CpuContext *c, int regno, REGISTER *val);
  41 int zpu_state(CpuContext *c, uint16_t *state);
  42 int zpu_reset(CpuContext *c, int mode);
  43 int zpu_getpc(CpuContext *c, REGISTER *pc);
  44 void zpu_dumpstat(CpuContext *c);
  45
  46 int zpu_mem_read(CpuContext *c, ADDR addr, unsigned int count,
  47         unsigned char *b);
  48 int zpu_mem_write(CpuContext *c, ADDR addr, unsigned int count,
  49         const unsigned char *b);
  50
  51 enum {
  52         LDST_32,
  53         LDST_16,
  54         LDST_8,
  55 };