matos/tests/test.c

234 lines
6.5 KiB
C
Raw Normal View History

#include "alloc.h"
#include "assert.h"
#include "cpu_context.h"
#include "klibc.h"
#include "list.h"
#include "mem.h"
2018-11-12 23:07:59 +01:00
#include "paging.h"
2018-11-08 22:09:12 +01:00
#include "serial.h"
#include "stack.h"
2018-11-08 22:09:12 +01:00
2018-11-12 18:06:46 +01:00
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;
2018-11-09 17:07:39 +01:00
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);
2019-04-16 20:02:26 +02:00
assertmsg((page = (struct mem_desc *)allocPhyPage()) != NULL,
"Cannot allocate memory\n");
unrefPhyPage((ulong)page);
}
2019-04-17 23:47:25 +02:00
static void *testAllocNSet(size_t size)
{
void *allocated = malloc(size);
assert(allocated);
memset(allocated, size, size);
return allocated;
}
static void testAlloc(void)
{
2019-04-17 23:47:25 +02:00
for (uint i = 0; i < PAGE_SIZE / (sizeof(struct slabEntry)); i++) {
malloc(sizeof(struct slabEntry));
}
2019-04-17 23:47:25 +02:00
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 *)));
2019-04-15 23:09:09 +02:00
free(malloc2);
void *malloc3 = malloc(sizeof(void *));
assertmsg((char *)malloc2 == (char *)malloc3, " %d %d\n", malloc2, malloc3);
2019-04-17 23:47:25 +02:00
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);
}
2018-11-12 23:07:59 +01:00
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,
2019-04-16 20:02:26 +02:00
"Fail to map page %d\n", allocCount);
memset(page, allocCount, PAGE_SIZE);
2018-11-12 23:07:59 +01:00
allocCount++;
list_add_tail(allocated_page_list, page);
}
printf("%d pages allocated\n", allocCount);
while ((page = list_pop_head(allocated_page_list)) != NULL) {
2019-04-16 20:02:26 +02:00
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);
2018-11-12 23:07:59 +01:00
pageUnmap((vaddr_t)page);
freeCount++;
}
printf("%d pages freed\n", freeCount);
2019-04-16 20:02:26 +02:00
assertmsg((page = (struct mem_desc *)allocPhyPage()) != NULL,
"Cannot allocate memory\n");
unrefPhyPage((ulong)page);
2018-11-12 23:07:59 +01:00
}
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);
}
/* ======================================================================
* Demonstrate the use of the CPU kernet context management API:
* - A coroutine prints "Hlowrd" and switches to the other after each
* letter
* - A coroutine prints "el ol\n" and switches back to the other after
* each letter.
* The first to reach the '\n' returns back to main.
*/
struct cpu_state *ctxt_hello1;
struct cpu_state *ctxt_hello2;
struct cpu_state *ctxt_main;
vaddr_t hello1_stack, hello2_stack;
static void reclaim_stack(void * stack_vaddr)
{
free(stack_vaddr);
}
static void exit_hello12(void * stack_vaddr)
{
cpu_context_exit_to(ctxt_main, (cpu_kstate_function_arg1_t *)reclaim_stack, (vaddr_t)stack_vaddr);
}
static void hello1(void *strIn)
{
char *str = (char *)strIn;
for (; *str != '\n'; str++) {
printf("hello1: %c\n", *str);
cpu_context_switch(&ctxt_hello1, ctxt_hello2);
}
/* You can uncomment this in case you explicitly want to exit
now. But returning from the function will do the same */
/* cpu_context_exit_to(ctxt_main,
(cpu_kstate_function_arg1_t*) reclaim_stack,
hello1_stack); */
}
static void hello2(void *strIn)
{
char *str = (char *)strIn;
for (; *str != '\n'; str++) {
printf("hello2: %c\n", *str);
cpu_context_switch(&ctxt_hello2, ctxt_hello1);
}
/* You can uncomment this in case you explicitly want to exit
now. But returning from the function will do the same */
/* cpu_context_exit_to(ctxt_main,
(cpu_kstate_function_arg1_t*) reclaim_stack,
hello2_stack); */
}
void testCoroutine()
{
#define DEMO_STACK_SIZE 1024
/* Allocate the stacks */
hello1_stack = (vaddr_t)malloc(DEMO_STACK_SIZE);
hello2_stack = (vaddr_t)malloc(DEMO_STACK_SIZE);
/* Initialize the coroutines' contexts */
cpu_kstate_init(&ctxt_hello1, (cpu_kstate_function_arg1_t *)hello1, (uint32_t) "Hlowrd",
(vaddr_t)hello1_stack, DEMO_STACK_SIZE,
(cpu_kstate_function_arg1_t *)exit_hello12, (uint32_t)hello1_stack);
cpu_kstate_init(&ctxt_hello2, (cpu_kstate_function_arg1_t *)hello2, (uint32_t) "el ol\n",
(vaddr_t)hello2_stack, DEMO_STACK_SIZE,
(cpu_kstate_function_arg1_t *)exit_hello12, (uint32_t)hello2_stack);
/* Go to first coroutine */
printf("Printing Hello World\\n...\n");
cpu_context_switch(&ctxt_main, ctxt_hello1);
/* The first coroutine to reach the '\n' switched back to us */
printf("Back in main !\n");
}
2018-11-12 18:06:46 +01:00
void run_test(void)
{
2018-11-12 23:07:59 +01:00
testPaging();
printf("Testing Serial\n");
2018-11-08 22:09:12 +01:00
serialWrite('h');
serialWrite('e');
serialWrite('l');
serialWrite('l');
serialWrite('o');
testAlloc();
printf("Testing backtrace\n");
test_backtrace();
testCoroutine();
2018-11-08 22:09:12 +01:00
}