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authorAlex Auvolat <alex.auvolat@ens.fr>2014-12-06 20:30:32 +0100
committerAlex Auvolat <alex.auvolat@ens.fr>2014-12-06 20:30:32 +0100
commit0b5d6568c468075b6c1a2de065332b270345611b (patch)
treed2b9debc6eb90c5a43cac5aefd35d1550fe7b11b /kernel/l0/kmain.c
parentb38d90b5cacee9bfc775f1fa4b31c5863654c5e8 (diff)
downloadkogata-0b5d6568c468075b6c1a2de065332b270345611b.tar.gz
kogata-0b5d6568c468075b6c1a2de065332b270345611b.zip
Refactor PF handlers and region freeing functions.
Diffstat (limited to 'kernel/l0/kmain.c')
-rw-r--r--kernel/l0/kmain.c35
1 files changed, 4 insertions, 31 deletions
diff --git a/kernel/l0/kmain.c b/kernel/l0/kmain.c
index 53afb6b..63ed6ac 100644
--- a/kernel/l0/kmain.c
+++ b/kernel/l0/kmain.c
@@ -18,39 +18,12 @@ void breakpoint_handler(registers_t *regs) {
BOCHS_BREAKPOINT;
}
-void test_pf_handler(pagedir_t *pd, region_info_t *i, void* addr) {
- dbg_printf(" {0x%p", addr);
-
- uint32_t f = frame_alloc(1);
- if (f == 0) PANIC("Out Of Memory");
- dbg_printf(" -> %i} ", f);
-
- int error = pd_map_page(addr, f, 1);
- if (error) PANIC("Could not map frame (OOM)");
-}
-
void* page_alloc_fun_for_kmalloc(size_t bytes) {
- void* addr = region_alloc(bytes, REGION_T_CORE_HEAP, test_pf_handler);
+ void* addr = region_alloc(bytes, REGION_T_CORE_HEAP, default_allocator_pf_handler);
dbg_printf("[alloc 0x%p for kmalloc : %p]\n", bytes, addr);
return addr;
}
-void page_free_fun_for_kmalloc(void* ptr) {
- dbg_printf("[Free 0x%p", ptr);
-
- region_info_t *i = find_region(ptr);
- ASSERT(i != 0 && i->type == REGION_T_CORE_HEAP);
- for (void* x = i->addr; x < i->addr + i->size; x += PAGE_SIZE) {
- uint32_t f = pd_get_frame(x);
- dbg_printf(" %i", f);
- if (f != 0) {
- pd_unmap_page(x);
- frame_free(f, 1);
- }
- }
- dbg_printf(" : ");
- region_free(ptr);
- dbg_printf("ok]\n");
-}
+
slab_type_t slab_sizes[] = {
{ "8B obj", 8, 2 },
{ "16B obj", 16, 2 },
@@ -128,7 +101,7 @@ void kmain(struct multiboot_info_t *mbd, int32_t mb_magic) {
// allocate a big region and try to write into it
const size_t n = 200;
- void* p0 = region_alloc(n * PAGE_SIZE, REGION_T_HW, test_pf_handler);
+ void* p0 = region_alloc(n * PAGE_SIZE, REGION_T_HW, default_allocator_pf_handler);
for (size_t i = 0; i < n; i++) {
uint32_t *x = (uint32_t*)(p0 + i * PAGE_SIZE);
dbg_printf("[%i : ", i);
@@ -157,7 +130,7 @@ void kmain(struct multiboot_info_t *mbd, int32_t mb_magic) {
// Test slab allocator !
mem_allocator_t *a =
create_slab_allocator(slab_sizes, page_alloc_fun_for_kmalloc,
- page_free_fun_for_kmalloc);
+ region_free_unmap_free);
dbg_printf("Created slab allocator at 0x%p\n", a);
dbg_print_region_stats();
const int m = 200;