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wip: multiple pds and switch to kernel pd when needed

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0x35c
2025-02-10 13:25:19 +01:00
parent 8dd5373e7f
commit 5e561bfa15
9 changed files with 41 additions and 27 deletions
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5
src/multiboot.c
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@ -38,7 +38,7 @@ static void init_vbe(multiboot_info_t *mbd_virt)
((mbd_virt->framebuffer_addr + i * PAGE_SIZE) & PAGE_MASK) |
INIT_FLAGS;
}
page_directory[800] = ((uint32_t)vbe_page_table - HEAP_END) | 0x03;
kernel_pd[800] = ((uint32_t)vbe_page_table - HEAP_END) | 0x03;
display.buff = (uint32_t *)GET_PAGE_ADDR(800, 0) +
(mbd_virt->framebuffer_addr % PAGE_SIZE);
display.height = mbd_virt->framebuffer_height;
@ -53,8 +53,7 @@ void init_multiboot(multiboot_info_t *mbd, uint32_t magic)
kpanic("invalid magic number! (git good skill issue)");
init_page_table(multiboot_page_table, 0);
page_directory[1023] =
((uint32_t)multiboot_page_table - HEAP_END) | 0x03;
kernel_pd[1023] = ((uint32_t)multiboot_page_table - HEAP_END) | 0x03;
size_t pt_index = CEIL(
(uint32_t)mbd % PAGE_SIZE + sizeof(multiboot_info_t), PAGE_SIZE);