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author | Alex Auvolat <alex.auvolat@ens.fr> | 2014-12-06 20:30:32 +0100 |
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committer | Alex Auvolat <alex.auvolat@ens.fr> | 2014-12-06 20:30:32 +0100 |
commit | 0b5d6568c468075b6c1a2de065332b270345611b (patch) | |
tree | d2b9debc6eb90c5a43cac5aefd35d1550fe7b11b /kernel/l0/kmain.c | |
parent | b38d90b5cacee9bfc775f1fa4b31c5863654c5e8 (diff) | |
download | kogata-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.c | 35 |
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; |