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fix: page alloc return frame addr instead page addr

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starnakin
2024-10-15 01:31:10 +02:00
parent 3372e386f5
commit 9dc9002f00
1 changed files with 2 additions and 2 deletions
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4
src/memory/page.c
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@ -13,7 +13,7 @@ extern uint32_t page_table_entries[PT_SIZE] __attribute__((aligned(4096)));
static int16_t find_next_block(size_t nb_pages) static int16_t find_next_block(size_t nb_pages)
{ {
for (uint16_t i = 0; i < PT_SIZE; i++) { for (uint16_t i = 1; i < PT_SIZE; i++) {
uint16_t j; uint16_t j;
for (j = 0; for (j = 0;
page_table_entries[i + j] >> 12 == i + j && j < nb_pages; page_table_entries[i + j] >> 12 == i + j && j < nb_pages;
@ -46,7 +46,7 @@ void *alloc_pages(size_t size)
} }
page_table_entries[i] = (uint32_t)frame << 12 | INIT_FLAGS; page_table_entries[i] = (uint32_t)frame << 12 | INIT_FLAGS;
} }
return (void *)(page_table_entries[index] >> 12); return (void *)(index * PAGE_SIZE);
} }
int free_pages(void *page_ptr, size_t size) int free_pages(void *page_ptr, size_t size)