58 lines
1.9 KiB
C++
58 lines
1.9 KiB
C++
#include <efi.h>
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#include <efilib.h>
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#include <graphics/context.h>
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#include <graphics/draw.h>
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#include <fonts/pixel_font.h>
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#include <serial.h>
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#include <common.h>
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inline void init_gop() {
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// 初始化 GOP
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EFI_GUID gop_guid = EFI_GRAPHICS_OUTPUT_PROTOCOL_GUID;
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EFI_GRAPHICS_OUTPUT_PROTOCOL *GOP;
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uefi_call_wrapper((void*)ST->BootServices->SetWatchdogTimer, 4, 0, 0, 0, NULL);
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uefi_call_wrapper((void*)ST->BootServices->LocateProtocol, 3, &gop_guid, NULL, (void **)&GOP);
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gfx_init(GOP);
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}
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inline void init_serial() {
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// 初始化串行驱动
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EFI_SERIAL_IO_PROTOCOL *SerialIo = NULL;
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EFI_GUID gEfiSerialIoProtocolGuid = EFI_SERIAL_IO_PROTOCOL_GUID;
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EFI_HANDLE *SerialHandles = NULL;
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UINTN NumSerials = 0;
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EFI_STATUS status = uefi_call_wrapper((void*)ST->BootServices->LocateHandleBuffer, 5,
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ByProtocol,
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&gEfiSerialIoProtocolGuid,
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NULL,
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&NumSerials,
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&SerialHandles
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);
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if (status == EFI_SUCCESS && NumSerials > 0) {
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status = uefi_call_wrapper((void*)ST->BootServices->HandleProtocol, 3,
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SerialHandles[0], &gEfiSerialIoProtocolGuid, (void **)&SerialIo);
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if (status == EFI_SUCCESS) {
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serial_init(SerialIo);
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}
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}
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if (SerialHandles) {
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ST->BootServices->FreePool(SerialHandles);
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}
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}
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extern "C" void kernel_main() {
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init_gop();
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init_serial();
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// 都用uefi_call_wrapper，不用会PF，不知道为什么
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uefi_call_wrapper((void*)ST->ConOut->SetCursorPosition, 3, ST->ConOut, 0, 5);
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uefi_call_wrapper((void*)ST->ConOut->OutputString, 2, ST->ConOut, L"Kernel is running!\n");
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uefi_call_wrapper((void*)ST->ConOut->ClearScreen, 1, ST->ConOut);
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serial_write("\n\n"); // 防止和前面串了serial.log看不清
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pf_print("Welcome to Sylva OS!\n");
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serial_write(" Kernel prepared well, start loop.\n");
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while (1) ASM ("hlt"); // 《30天》看多了 (doge
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} |