119 lines
2.9 KiB
C
119 lines
2.9 KiB
C
#include "alloc.h"
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#include "assert.h"
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#include "klibc.h"
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#include "list.h"
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#include "mem.h"
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#include "paging.h"
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#include "serial.h"
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#include "stack.h"
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#include "vga.h"
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void testPhymem(void)
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{
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printf("Testing memory PHY\n");
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struct mem_desc *allocated_page_list;
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struct mem_desc
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*page; // Cast in mem_desc to use it. In fact it's the addr of 4K free memory
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list_init(allocated_page_list);
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int allocCount = 0;
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int freeCount = 0;
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while ((page = (struct mem_desc *)allocPhyPage()) != NULL) {
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page->phy_addr = allocCount;
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allocCount++;
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list_add_tail(allocated_page_list, page);
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}
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printf("%d pages allocated\n", allocCount);
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while ((page = list_pop_head(allocated_page_list)) != NULL) {
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assertmsg(page->phy_addr == (ulong)freeCount, "page %d modified", page);
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assertmsg(unrefPhyPage((ulong)page) >= 0, "Failed to free page %d\n",
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(ulong)page);
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freeCount++;
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}
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printf("%d pages freed\n", freeCount);
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assertmsg((page = (struct mem_desc *)allocPhyPage()) != NULL, "Cannot allocate memory\n");
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unrefPhyPage((ulong)page);
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}
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static void testAlloc(void)
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{
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assert(malloc(1));
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assert(malloc(2));
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assert(malloc(3));
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assert(malloc(4));
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void *malloc1 = malloc(sizeof(void *));
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void *malloc2 = malloc(sizeof(void *));
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assert((char *)malloc2 == ((char *)malloc1 + sizeof(void *)));
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free(malloc2);
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void *malloc3 = malloc(sizeof(void *));
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assertmsg((char *)malloc2 == (char *)malloc3, " %d %d\n", malloc2, malloc3);
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assert(malloc(1024));
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assert(malloc(1024));
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assert(malloc(1024));
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assert(malloc(1024));
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assert(malloc(1024));
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}
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static void testPaging(void)
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{
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printf("Testing paging\n");
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struct mem_desc *allocated_page_list;
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struct mem_desc
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*page; // Cast in mem_desc to use it. In fact it's the addr of 4K free memory
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list_init(allocated_page_list);
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int allocCount = 0;
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int freeCount = 0;
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while ((page = (struct mem_desc *)allocPhyPage()) != NULL) {
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assertmsg(pageMap((vaddr_t)page, (paddr_t)page, PAGING_MEM_WRITE) == 0,
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"Fail to map page %d\n", allocCount);
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page->phy_addr = allocCount;
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allocCount++;
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list_add_tail(allocated_page_list, page);
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}
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printf("%d pages allocated\n", allocCount);
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while ((page = list_pop_head(allocated_page_list)) != NULL) {
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assertmsg(page->phy_addr == (ulong)freeCount, "page modified");
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assertmsg(unrefPhyPage((ulong)page) >= 0, "Failed to free page %d\n",
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(ulong)page);
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pageUnmap((vaddr_t)page);
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freeCount++;
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}
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printf("%d pages freed\n", freeCount);
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assertmsg((page = (struct mem_desc *)allocPhyPage()) != NULL, "Cannot allocate memory\n");
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unrefPhyPage((ulong)page);
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}
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static void test_backtrace_2(int a, int b)
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{
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printStackTrace(a + b);
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}
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static void test_backtrace_1(int a)
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{
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test_backtrace_2(a, 3);
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}
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void test_backtrace()
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{
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test_backtrace_1(2);
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}
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void run_test(void)
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{
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testPaging();
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printf("Testing Serial\n");
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serialWrite('h');
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serialWrite('e');
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serialWrite('l');
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serialWrite('l');
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serialWrite('o');
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testAlloc();
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printf("Testing backtrace\n");
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test_backtrace();
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}
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