92 lines
2.2 KiB
C
92 lines
2.2 KiB
C
#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 "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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if (page->phy_addr != (ulong)freeCount) {
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printf("Error page %d modified\n", (ulong)page);
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}
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if (unrefPhyPage((ulong)page) < 0) {
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printf("Failed to free page %d\n", (ulong)page);
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}
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freeCount++;
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}
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printf("%d pages freed\n", freeCount);
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if ((page = (struct mem_desc *)allocPhyPage()) == NULL) {
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printf("Error ! Cannot allocate memory\n");
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} else {
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unrefPhyPage((ulong)page);
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}
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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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if (pageMap((vaddr_t)page, (paddr_t)page, PAGING_MEM_WRITE)){
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printf("Fail to map page %d\n", allocCount);
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break;
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}
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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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if (page->phy_addr != (ulong)freeCount) {
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printf("Error page %d modified\n", (ulong)page);
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}
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if (unrefPhyPage((ulong)page) < 0) {
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printf("Failed to free page %d\n", (ulong)page);
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}
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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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if ((page = (struct mem_desc *)allocPhyPage()) == NULL) {
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printf("Error ! Cannot allocate memory\n");
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} else {
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unrefPhyPage((ulong)page);
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}
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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");
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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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}
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