int Simulator::simulate(){
load_i_cache();
print_i_cache();
int i = 0;
while(true){
cout << "CLK: "<<m_clk<<endl;
multi_fetch();
multi_decode();
dispatch();
multi_execute();
complete_instr();
process_rs();
print_reg_file();
if (!retire_instr()) {
// clean up store buffer
break;
}
process_store_buffer();
next_clock_cycle();
}
print_d_cache();
printf("clk cycles = %lld\n",m_clk + 1);
printf("CPI = %f\n",1.0*(m_clk + 1)/num_ins_executed);
// printf("Stalls = %lld\n",num_stalls - 5);
// printf("Control Stalls = %lld\n",num_control_stalls);
// printf("RAW Stalls = %lld\n",num_stalls - 5 - num_control_stalls);
return 1;
}
void show_regs(struct pt_regs *regs)
{
struct task_struct *tsk = current;
struct callee_regs *cregs;
/*
* generic code calls us with preemption disabled, but some calls
* here could sleep, so re-enable to avoid lockdep splat
*/
preempt_enable();
print_task_path_n_nm(tsk);
show_regs_print_info(KERN_INFO);
show_ecr_verbose(regs);
pr_info("[EFA ]: 0x%08lx\n[BLINK ]: %pS\n[ERET ]: %pS\n",
current->thread.fault_address,
(void *)regs->blink, (void *)regs->ret);
if (user_mode(regs))
show_faulting_vma(regs->ret); /* faulting code, not data */
pr_info("[STAT32]: 0x%08lx", regs->status32);
#define STS_BIT(r, bit) r->status32 & STATUS_##bit##_MASK ? #bit" " : ""
#ifdef CONFIG_ISA_ARCOMPACT
pr_cont(" : %2s%2s%2s%2s%2s%2s%2s\n",
(regs->status32 & STATUS_U_MASK) ? "U " : "K ",
STS_BIT(regs, DE), STS_BIT(regs, AE),
STS_BIT(regs, A2), STS_BIT(regs, A1),
STS_BIT(regs, E2), STS_BIT(regs, E1));
#else
pr_cont(" : %2s%2s%2s%2s\n",
STS_BIT(regs, IE),
(regs->status32 & STATUS_U_MASK) ? "U " : "K ",
STS_BIT(regs, DE), STS_BIT(regs, AE));
#endif
pr_info("BTA: 0x%08lx\t SP: 0x%08lx\t FP: 0x%08lx\n",
regs->bta, regs->sp, regs->fp);
pr_info("LPS: 0x%08lx\tLPE: 0x%08lx\tLPC: 0x%08lx\n",
regs->lp_start, regs->lp_end, regs->lp_count);
/* print regs->r0 thru regs->r12
* Sequential printing was generating horrible code
*/
print_reg_file(&(regs->r0), 0);
/* If Callee regs were saved, display them too */
cregs = (struct callee_regs *)current->thread.callee_reg;
if (cregs)
show_callee_regs(cregs);
preempt_disable();
}
void show_regs(struct pt_regs *regs)
{
struct task_struct *tsk = current;
struct callee_regs *cregs;
char *buf;
buf = (char *)__get_free_page(GFP_TEMPORARY);
if (!buf)
return;
print_task_path_n_nm(tsk, buf);
show_regs_print_info(KERN_INFO);
show_ecr_verbose(regs);
pr_info("[EFA ]: 0x%08lx\n[BLINK ]: %pS\n[ERET ]: %pS\n",
current->thread.fault_address,
(void *)regs->blink, (void *)regs->ret);
if (user_mode(regs))
show_faulting_vma(regs->ret, buf); /* faulting code, not data */
pr_info("[STAT32]: 0x%08lx", regs->status32);
#define STS_BIT(r, bit) r->status32 & STATUS_##bit##_MASK ? #bit" " : ""
#ifdef CONFIG_ISA_ARCOMPACT
pr_cont(" : %2s%2s%2s%2s%2s%2s%2s\n",
(regs->status32 & STATUS_U_MASK) ? "U " : "K ",
STS_BIT(regs, DE), STS_BIT(regs, AE),
STS_BIT(regs, A2), STS_BIT(regs, A1),
STS_BIT(regs, E2), STS_BIT(regs, E1));
#else
pr_cont(" : %2s%2s%2s%2s\n",
STS_BIT(regs, IE),
(regs->status32 & STATUS_U_MASK) ? "U " : "K ",
STS_BIT(regs, DE), STS_BIT(regs, AE));
#endif
pr_info("BTA: 0x%08lx\t SP: 0x%08lx\t FP: 0x%08lx\n",
regs->bta, regs->sp, regs->fp);
pr_info("LPS: 0x%08lx\tLPE: 0x%08lx\tLPC: 0x%08lx\n",
regs->lp_start, regs->lp_end, regs->lp_count);
/* print regs->r0 thru regs->r12
* Sequential printing was generating horrible code
*/
print_reg_file(&(regs->r0), 0);
/* If Callee regs were saved, display them too */
cregs = (struct callee_regs *)current->thread.callee_reg;
if (cregs)
show_callee_regs(cregs);
free_page((unsigned long)buf);
}
static void show_callee_regs(struct callee_regs *cregs)
{
print_reg_file(&(cregs->r13), 13);
}
