From e303a03e7c96bc5bf7fa93f7b46ce63196893d7a Mon Sep 17 00:00:00 2001 From: Ada Christine Date: Sun, 19 Dec 2021 22:41:15 +0000 Subject: moving files around --- kc/boot/kc_main.c | 73 +++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 73 insertions(+) create mode 100644 kc/boot/kc_main.c (limited to 'kc/boot/kc_main.c') diff --git a/kc/boot/kc_main.c b/kc/boot/kc_main.c new file mode 100644 index 0000000..1829616 --- /dev/null +++ b/kc/boot/kc_main.c @@ -0,0 +1,73 @@ +#include +#include + +#include + +#include "../lib/elf.h" + +struct efi_memory_map +{ + struct memory_range buffer; + UINTN size; + UINTN key; + UINTN descsize; + UINT32 descver; +}; + +struct efi_video_data +{ + struct memory_range buffer; + UINT32 width; + UINT32 height; + UINT32 pitch; + EFI_GRAPHICS_PIXEL_FORMAT format; + EFI_PIXEL_BITMASK mask; +}; + +struct efi_boot_data +{ + struct efi_memory_map memory_map; + struct efi_video_data video_data; + void *acpi_rsdp; + unsigned long acpi_version; +}; + +struct efi_loader_image kernel_image = +{ + .path = L"\\adasoft\\sophia\\kernel.os" +}; + +static struct efi_boot_data boot_data; + +// TODO: split relocation code out into library + +EFI_STATUS kc_main(struct efi_loader_interface *interface) +{ + // 1. load kernel and boot modules into memory + // 2. generate page tables for kernel and boot modules + // 2. gather boot data, store as type SystemMemoryType + // 3. exit boot services + // 5. ??????????? + + EFI_STATUS status; + + if (!interface) + { + return EFI_INVALID_PARAMETER; + } + + if (!EFI_ERROR((status = interface->image_open(&kernel_image))) && + !EFI_ERROR((status = interface->image_alloc(&kernel_image))) && + !EFI_ERROR((status = interface->image_load(&kernel_image)))) + { + (void)boot_data; + } + + __asm__ volatile ( + "cli\n\t" + "hlt\n\t" + ); + + return status; +} + -- cgit v1.3.1-1-g115d