diff options
Diffstat (limited to 'loader/loader_efi.c')
| -rw-r--r-- | loader/loader_efi.c | 25 |
1 files changed, 13 insertions, 12 deletions
diff --git a/loader/loader_efi.c b/loader/loader_efi.c index f9f1ebd..7195ae5 100644 --- a/loader/loader_efi.c +++ b/loader/loader_efi.c @@ -9,17 +9,18 @@ #include <stdbool.h> #include <stddef.h> -#define kernel_path L"\\adasoft\\sophia\\kernel.os" - struct system_image { struct memory_range buffer; EFI_FILE_PROTOCOL *file; Elf64_Ehdr ehdr; Elf64_Phdr *phdrs; - uint64_t *maps; }; +static CHAR16 *kernel_path = L"\\adasoft\\sophia\\kernel.os"; +static struct system_image *kernel_image = NULL; +static uint64_t *system_page_map = NULL; + static struct system_image *open_system_image(CHAR16 *path); static bool load_system_image(struct system_image *image); static struct efi_memory_map_data *get_memory_map_data(void); @@ -141,7 +142,7 @@ static void create_kernel_maps(struct system_image *image) virt_begin, phys_begin, size); - map_pages(image->maps, + map_pages(system_page_map, virt_begin, phys_begin, get_page_type(&phdrs[i]), @@ -151,10 +152,10 @@ static void create_kernel_maps(struct system_image *image) // Create fractal mappings - uint64_t *lower_page_dir = get_page_table(image->maps, + uint64_t *lower_page_dir = get_page_table(system_page_map, KERNEL_SPACE_LOWER, 2); - uint64_t *upper_page_dir = get_page_table(image->maps, + uint64_t *upper_page_dir = get_page_table(system_page_map, KERNEL_SPACE_UPPER, 2); @@ -175,7 +176,7 @@ static void enter_kernel(struct system_image *kernel_image) system_allocate(KERNEL_ENTRY_STACK_SIZE); // get a stack here for now idfk - map_pages(kernel_image->maps, + map_pages(system_page_map, KERNEL_ENTRY_STACK_BASE, kernel_entry_stack.base, DATA_PAGE_TYPE, @@ -198,9 +199,9 @@ static void enter_kernel(struct system_image *kernel_image) // parasitic map of uefi page tables is this ok??????? uint64_t *efi_map = get_page_map(); - kernel_image->maps[0] = efi_map[0]; + system_page_map[0] = efi_map[0]; - set_page_map(kernel_image->maps); + set_page_map(system_page_map); __asm__ ( @@ -214,7 +215,7 @@ static void enter_kernel(struct system_image *kernel_image) void loader_main(void) { - struct system_image *kernel_image = open_system_image(kernel_path); + kernel_image = open_system_image(kernel_path); Print(L"loading %s\r\n", kernel_path); @@ -230,8 +231,8 @@ void loader_main(void) efi_exit(EFI_ABORTED); } - kernel_image->maps = new_page_table(); - Print(L"kernel pml4 %16.0lx\r\n", kernel_image->maps); + system_page_map = new_page_table(); + Print(L"kernel pml4 %16.0lx\r\n", system_page_map); create_kernel_maps(kernel_image); Print(L"kernel maps created. entering kernel\r\n"); enter_kernel(kernel_image); |