caveat/ecall.h

   1 #pragma once
   2
   3 #include <stdio.h>
   4 #include <stdint.h>
   5 #include <sys/time.h>
   6
   7 struct ecall_entry {
   8     long number;
   9     char const *name;
  10 };
  11
  12 #include "opcodes.h"
  13 #include "insn.h"
  14 #include "core.h"
  15
  16 #include "ecall_nums.h"
  17
  18 static inline struct ecall_entry const *
  19 ecall_entry(long id) {
  20     return &rv_to_host[id];
  21 }
  22
  23 static inline long
  24 ecall_fetch(struct core_t const *cpu, long arguments[6]) {
  25     arguments[0] = cpu->reg[10].l;
  26     arguments[1] = cpu->reg[11].l;
  27     arguments[2] = cpu->reg[12].l;
  28     arguments[3] = cpu->reg[13].l;
  29     arguments[4] = cpu->reg[14].l;
  30     arguments[5] = cpu->reg[15].l;
  31
  32     return cpu->reg[17].l;
  33 }
  34
  35 static inline void
  36 ecall_store(long const arguments[6], struct core_t *cpu)
  37 {
  38     cpu->reg[10].l = arguments[0];
  39     cpu->reg[11].l = arguments[1];
  40     cpu->reg[12].l = arguments[2];
  41     cpu->reg[13].l = arguments[3];
  42     cpu->reg[14].l = arguments[4];
  43     cpu->reg[15].l = arguments[5];
  44 }