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better api

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nub31
2025-09-03 19:22:53 +02:00
parent b7bbccca73
commit bb923621f9
12 changed files with 112 additions and 109 deletions
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12
src/kernel/pmm.c
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@@ -10,14 +10,16 @@ static uint64_t free_pages = 0;
void pmm_init()
{
memory_map_t memory_map = arch_api.get_memory_map();
memset(page_bitmap, 0xFF, BITMAP_SIZE);
for (size_t i = 0; i < memory_map.num_regions; i++)
{
memory_region_t region = memory_map.regions[i];
uint64_t start_page = region.base_address / arch_page_size();
uint64_t num_pages = region.length / arch_page_size();
uint64_t start_page = region.base_address / arch_api.page_size();
uint64_t num_pages = region.length / arch_api.page_size();
for (uint64_t page = start_page; page < start_page + num_pages; page++)
{
@@ -36,7 +38,7 @@ void pmm_init()
}
// Reserve first 64MB which is reserved by boot code
for (uint64_t page = 0; page < (64 * 1024 * 1024) / arch_page_size(); page++)
for (uint64_t page = 0; page < (64 * 1024 * 1024) / arch_api.page_size(); page++)
{
if (page < BITMAP_SIZE * 8)
{
@@ -62,7 +64,7 @@ uint64_t pmm_alloc_page()
{
page_bitmap[i] |= (1 << bit);
free_pages--;
return ((i * 8 + bit) * arch_page_size());
return ((i * 8 + bit) * arch_api.page_size());
}
}
}
@@ -74,7 +76,7 @@ uint64_t pmm_alloc_page()
// Frees the physical page at the specified address
void pmm_free_page(uint64_t addr)
{
uint64_t page = addr / arch_page_size();
uint64_t page = addr / arch_api.page_size();
if (page < BITMAP_SIZE * 8)
{
if (page_bitmap[page / 8] & (1 << (page % 8)))