/* start simulation, program loaded, processor precise state initialized */
void
sim_main(void)
{
fprintf(stderr, "sim: ** starting *pipe* functional simulation **\n");
/* must have natural byte/word ordering */
if (sim_swap_bytes || sim_swap_words)
fatal("sim: *pipe* functional simulation cannot swap bytes or words");
/* set up initial default next PC */
regs.regs_NPC = regs.regs_PC + sizeof(md_inst_t);
/* maintain $r0 semantics */
regs.regs_R[MD_REG_ZERO] = 0;
fd.PC = regs.regs_PC - sizeof(md_inst_t);
while (TRUE)
{
//handle the pipeline in reverse so that the instruction could be handled in ascending order
sim_num_insn++;
do_stall();
do_wb();
do_mem();
do_ex();
do_id();
do_if();
dump_pipeline();
}
}
/*===========================================================================*
* sys_task *
*===========================================================================*/
PUBLIC void sys_task()
{
/* Main entry point of sys_task. Get the message and dispatch on type. */
register int r;
while (TRUE) {
receive(ANY, &m);
switch (m.m_type) { /* which system call */
case SYS_FORK: r = do_fork(&m); break;
case SYS_NEWMAP: r = do_newmap(&m); break;
case SYS_EXEC: r = do_exec(&m); break;
case SYS_XIT: r = do_xit(&m); break;
case SYS_GETSP: r = do_getsp(&m); break;
case SYS_TIMES: r = do_times(&m); break;
case SYS_ABORT: r = do_abort(&m); break;
#if (CHIP == M68000)
case SYS_FRESH: r = do_fresh(&m); break;
#endif
case SYS_SIG: r = do_sig(&m); break;
case SYS_KILL: r = do_kill(&m); break;
case SYS_COPY: r = do_copy(&m); break;
case SYS_GBOOT: r = do_gboot(&m); break;
case SYS_UMAP: r = do_umap(&m); break;
case SYS_MEM: r = do_mem(&m); break;
case SYS_TRACE: r = do_trace(&m); break;
default: r = E_BAD_FCN;
}
m.m_type = r; /* 'r' reports status of call */
send(m.m_source, &m); /* send reply to caller */
}
}
/* start simulation, program loaded, processor precise state initialized */
void
sim_main(void)
{
fprintf(stderr, "sim: ** starting *pipe* functional simulation **\n");
/* must have natural byte/word ordering */
if (sim_swap_bytes || sim_swap_words)
fatal("sim: *pipe* functional simulation cannot swap bytes or words");
/* set up initial default next PC */
/* maintain $r0 semantics */
regs.regs_R[MD_REG_ZERO] = 0;
regs.regs_PC -= sizeof(md_inst_t);
while (TRUE)
{
do_if();
do_wb();
do_id();
do_ex();
do_mem();
print_env();
write_buf();
#ifndef NO_INSN_COUNT
sim_num_insn++;
#endif /* !NO_INSN_COUNT */
}
}
int main() {
char* foo = strdup("hallo");
printf("%s\n", foo);
int* a = do_mem(10);
a[0] = 1;
free(a);
FILE* f = fopen("test.c", "r");
if(!f) {
printf("WUT?\n");
}
char* line = NULL;
size_t len;
int ret = getline(&line, &len, f);
printf("read ok: %d, line: %p\n", ret, line);
printf("%s\n", line);
free(line);
char buffer[256];
printf("fgets: %s\n", fgets(buffer, 256, f));
printf("%s\n", buffer);
if(!fread(buffer, 256, 1, f)) {
*(int*)(0) = 1;
}
fclose(f);
return 0;
}