matos/tests/test.c

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#include "alloc.h"
#include "assert.h"
#include "klibc.h"
#include "list.h"
#include "mem.h"
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#include "paging.h"
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#include "serial.h"
#include "stack.h"
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#include "vga.h"
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void testPhymem(void)
{
printf("Testing memory PHY\n");
struct mem_desc *allocated_page_list;
struct mem_desc
*page; // Cast in mem_desc to use it. In fact it's the addr of 4K free memory
list_init(allocated_page_list);
int allocCount = 0;
int freeCount = 0;
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while ((page = (struct mem_desc *)allocPhyPage()) != NULL) {
page->phy_addr = allocCount;
allocCount++;
list_add_tail(allocated_page_list, page);
}
printf("%d pages allocated\n", allocCount);
while ((page = list_pop_head(allocated_page_list)) != NULL) {
assertmsg(page->phy_addr == (ulong)freeCount, "page %d modified", page);
assertmsg(unrefPhyPage((ulong)page) >= 0, "Failed to free page %d\n",
(ulong)page);
freeCount++;
}
printf("%d pages freed\n", freeCount);
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assertmsg((page = (struct mem_desc *)allocPhyPage()) != NULL,
"Cannot allocate memory\n");
unrefPhyPage((ulong)page);
}
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static void *testAllocNSet(size_t size)
{
void *allocated = malloc(size);
assert(allocated);
memset(allocated, size, size);
return allocated;
}
static void testAlloc(void)
{
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for (uint i = 0; i < PAGE_SIZE / (sizeof(struct slabEntry)); i++) {
malloc(sizeof(struct slabEntry));
}
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for (uint i = 0; i < PAGE_SIZE / (sizeof(struct slabDesc)); i++) {
malloc(sizeof(struct slabDesc));
}
assert(malloc(1));
assert(malloc(2));
assert(malloc(3));
assert(malloc(4));
void *malloc1 = malloc(sizeof(void *));
void *malloc2 = malloc(sizeof(void *));
assert((char *)malloc2 == ((char *)malloc1 + sizeof(void *)));
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free(malloc2);
void *malloc3 = malloc(sizeof(void *));
assertmsg((char *)malloc2 == (char *)malloc3, " %d %d\n", malloc2, malloc3);
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void *alloc1 = testAllocNSet(1024);
void *alloc2 = testAllocNSet(1024);
void *alloc3 = testAllocNSet(1024);
void *alloc4 = testAllocNSet(1024);
void *alloc5 = testAllocNSet(1024);
void *alloc6 = testAllocNSet(1024);
void *alloc7 = testAllocNSet(4096);
free(alloc1);
free(alloc2);
free(alloc3);
free(alloc4);
free(alloc5);
free(alloc6);
free(alloc7);
void *alloc11 = testAllocNSet(1024);
void *alloc12 = testAllocNSet(1024);
void *alloc13 = testAllocNSet(1024);
void *alloc14 = testAllocNSet(1024);
void *alloc15 = testAllocNSet(1024);
void *alloc16 = testAllocNSet(1024);
free(alloc11);
free(alloc12);
free(alloc13);
free(alloc14);
free(alloc15);
free(alloc16);
}
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static void testPaging(void)
{
printf("Testing paging\n");
struct mem_desc *allocated_page_list;
struct mem_desc
*page; // Cast in mem_desc to use it. In fact it's the addr of 4K free memory
list_init(allocated_page_list);
int allocCount = 0;
int freeCount = 0;
while ((page = (struct mem_desc *)allocPhyPage()) != NULL) {
assertmsg(pageMap((vaddr_t)page, (paddr_t)page, PAGING_MEM_WRITE) == 0,
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"Fail to map page %d\n", allocCount);
memset(page, allocCount, PAGE_SIZE);
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allocCount++;
list_add_tail(allocated_page_list, page);
}
printf("%d pages allocated\n", allocCount);
while ((page = list_pop_head(allocated_page_list)) != NULL) {
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assertmsg((char)page->phy_addr == (char)freeCount,
"page modified %d but is %d\n", freeCount, page->phy_addr);
assertmsg(unrefPhyPage((ulong)page) >= 0, "Failed to free page %d\n",
(ulong)page);
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pageUnmap((vaddr_t)page);
freeCount++;
}
printf("%d pages freed\n", freeCount);
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assertmsg((page = (struct mem_desc *)allocPhyPage()) != NULL,
"Cannot allocate memory\n");
unrefPhyPage((ulong)page);
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}
static void test_backtrace_2(int a, int b)
{
printStackTrace(a + b);
}
static void test_backtrace_1(int a)
{
test_backtrace_2(a, 3);
}
void test_backtrace()
{
test_backtrace_1(2);
}
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void run_test(void)
{
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testPaging();
printf("Testing Serial\n");
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serialWrite('h');
serialWrite('e');
serialWrite('l');
serialWrite('l');
serialWrite('o');
testAlloc();
printf("Testing backtrace\n");
test_backtrace();
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}