diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/i386/kernel/multiboot.c | 31 |
1 files changed, 15 insertions, 16 deletions
diff --git a/arch/i386/kernel/multiboot.c b/arch/i386/kernel/multiboot.c index f56910a..dedf163 100644 --- a/arch/i386/kernel/multiboot.c +++ b/arch/i386/kernel/multiboot.c @@ -7,44 +7,43 @@ #include <kernel/pmem.h> #include <kernel/timer.h> #include <kernel/panic.h> +#include <kernel/vmem.h> #include <kernel/video/framebuffer.h> #include <libk/io.h> #include <libk/string.h> #include <libk/kmalloc.h> -extern void kernel_main(char *cmdline); -extern uintptr_t *kpgdir; - -void i386_entry(uint32_t mboot_magic, struct mboot_info *header, uintptr_t *entry_pd) { - kpgdir = entry_pd; +void kernel_main(char *cmdline); +void i386_entry(uint32_t mboot_magic, struct mboot_info *header) { + map_page(0xB8000, (uintptr_t)VGA_MEMORY, PD_RW); fb_init(); + if (mboot_magic != MBOOT_LOADER_MAGIC) { disable_ints(); panic("Not booted with multiboot bootloader"); } - map_page(NULL, (uintptr_t)header, (uintptr_t)header, PD_PRES); + + map_page(0x9000, 0x9000, PD_RW); if (!(header->flags >> 6 & 0x1)) { disable_ints(); panic("Physical memory map not provided by bootloader"); } - struct mboot_info hcopy; - char cmdcopy[1024]; - memcpy(&hcopy, header, sizeof(struct mboot_info)); - map_page(NULL, (uintptr_t)header->cmdline, (uintptr_t)header->cmdline, PD_PRES); - strcpy(cmdcopy, header->cmdline); - - pfa_init(&hcopy); - paging_init(); - kmalloc_init(); + char cmdline[4096]; + map_page(header->cmdline, PAGE_TMP_MAP, 0); + memcpy(cmdline, (char*)PAGE_TMP_MAP, strlen((char*)PAGE_TMP_MAP)); + unmap_page(PAGE_TMP_MAP); + pfa_init(header); gdt_install(); idt_install(); + paging_init(); + map_page(0xB8000, (uintptr_t)VGA_MEMORY, PD_RW); pic_remap(); timer_init(); enable_ints(); - kernel_main(cmdcopy); + kernel_main(cmdline); while (1); } |