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//Disregard bad code here.
//I'm going to delete this whole file once I am confident smp is safe.
#define CHUNK_SIZE_FROM_INDEX(i) ((1 << ((i) + 5)))
#include <printf.h>
#include <heap.h>
#include <libc.h>
#include <random.h>
#include <smp.h>
#include <paging.h>
//will delete later
static uint16_t lockeroni = 0;
void test_malloc(unsigned int cnt) {
void *testchunks[cnt];
unsigned int rindex[cnt], testchunk_size, i, x;
bzero(rindex, cnt * sizeof(unsigned int));
for(x = 0; x < cnt; x++) {
testchunk_size = (CHUNK_SIZE_FROM_INDEX(randint() % 7) - 24);
testchunks[x] = malloc(testchunk_size);
printf("ALLOCATING CHUNK %p SIZE %i\n", (void *)testchunks[x] - 24, testchunk_size);
}
for(x = 0; x < cnt;) {
i = randint() % cnt;
if(rindex[i]) continue;
rindex[i] = x;
x++;
}
for(x = 0; x < cnt; x++) {
//printf("FREEING CHUNK %p\n", (void *)testchunks[rindex[x]]);
free(testchunks[rindex[x]]);
}
printf("\nmalloc tester:\n");
printf("THIS NEEDS TO BE EMPTY______________\n");
debug_heap();
printf("____________________________________\n");
unlock(&lockeroni);
}
#define DEBUG_CORE_CNT 2
uint8_t cores_waiting = DEBUG_CORE_CNT;
uint8_t cores_waiting_2 = DEBUG_CORE_CNT;
uint8_t cores_waiting_3 = DEBUG_CORE_CNT;
uint8_t cores_waiting_4 = DEBUG_CORE_CNT;
uint8_t cores_waiting_5 = DEBUG_CORE_CNT;
void *smp_outputs[DEBUG_CORE_CNT];
void racetest() {
uint8_t core_id = get_coreid();
uint8_t c_check;
unsigned int core_i;
asm("lock decb [%0]\n"
"spinlock_%=:\n"
"cmpb [%0], 0\n"
"jnz spinlock_%=\n"
::"m"(cores_waiting));
smp_outputs[core_id] = palloc(0x1000);
printf("Make sure none of these match (palloc) -> %lx\n", smp_outputs[core_id]);
free(smp_outputs[core_id]);
asm("lock decb [%0]\n"
"spinlock_%=:\n"
"cmpb [%0], 0\n"
"jnz spinlock_%=\n"
::"m"(cores_waiting_2));
if(core_id == 0) {
for(core_i = 0; core_i < DEBUG_CORE_CNT; core_i++) {
for(c_check = core_i + 1; c_check < DEBUG_CORE_CNT; c_check++) {
if(smp_outputs[core_i] == smp_outputs[c_check]) {
printf("TEST FAILED\n");
for(;;);
}
}
}
printf("TEST PASSED\n");
printf("malloc beforehand: \n");
debug_heap();
}
asm("lock decb [%0]\n"
"spinlock_%=:\n"
"cmpb [%0], 0\n"
"jnz spinlock_%=\n"
::"m"(cores_waiting_3));
smp_outputs[core_id] = malloc(1);
printf("Make sure none of these match (malloc) -> %lx\n", smp_outputs[core_id]);
asm("lock decb [%0]\n"
"spinlock_%=:\n"
"cmpb [%0], 0\n"
"jnz spinlock_%=\n"
::"m"(cores_waiting_4));
if(core_id == 0) {
for(core_i = 0; core_i < DEBUG_CORE_CNT; core_i++) {
for(c_check = core_i + 1; c_check < DEBUG_CORE_CNT; c_check++) {
if(smp_outputs[core_i] == smp_outputs[c_check]) {
printf("TEST FAILED\n");
for(;;);
}
}
}
printf("TEST PASSED\n");
printf("malloc afterhand: \n");
debug_heap();
}
}
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