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More tests for icache 

Hooray, it really does work!
master
q3k 2014-09-07 18:30:46 +02:00
parent 59ab5fd703
commit 11d4dab9cd
1 changed files with 20 additions and 3 deletions
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23
test/test_icache.cpp
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@ -4,7 +4,11 @@
#include "Vqm_icache.h"
unsigned int _read_ram_at(unsigned int address)
{
// for now, just return the address
return address;
}
void simulate_memory_controller(Vqm_icache *ic)
{
@ -56,7 +60,7 @@ void simulate_memory_controller(Vqm_icache *ic)
else
{
printf("[mem ctrl] command word, %i left\n", current_command.left-1);
ic->mem_rd_data = 0xF0000000 + current_command.addr;
ic->mem_rd_data = _read_ram_at(current_command.addr + (4-current_command.left)*4);
ic->mem_rd_empty = 0;
current_command.left--;
}
@ -98,8 +102,21 @@ void test_icache(void)
while (1)
{
if (counter == 10)
{
printf("[TEST] Trying to read from 0x8bedead0...\n");
icache->enable = 1;
icache->address = 0x80bedead;
icache->address = 0x8bedead0;
}
if (counter > 11 && icache->stall == 0 && icache->address != 0x8bedead4)
{
printf("[TEST] Trying to read from 0x8bedead4 (should take one cycle...)\n");
icache->address = 0x8bedead4;
}
if (counter > 40 && icache->stall == 0 && icache->address != 0x8bedead8)
{
printf("[TEST] Trying to read from 0x8bedead8 (should take one cycle...)\n");
icache->address = 0x8bedead8;
}
if (counter > 100)
break;
icache->clk = !icache->clk;