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[feat] BootLoader -> Kernel

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pyao12
2026-05-29 19:25:56 +08:00
Unverified
parent c31fb52ea3
commit 2496349657
7 changed files with 302 additions and 37 deletions
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kernel/serial.cpp
+8 -7
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@@ -1,28 +1,29 @@
#include <serial.h>
#include <efilib.h>
extern EFI_SYSTEM_TABLE *ST;
serial_context g_serial;
void serial_init(EFI_SERIAL_IO_PROTOCOL *SerialIo) {
g_serial.SerialIo = SerialIo;
uefi_call_wrapper((void*)SerialIo->Reset, 1, SerialIo);
uefi_call_wrapper(SerialIo->Reset, 1, SerialIo);
}
void serial_write_char(char c) {
if (!g_serial.SerialIo) {
uefi_call_wrapper((void*)ST->ConOut->OutputString, 2, ST->ConOut, L"serial: null io\n");
uefi_call_wrapper(ST->ConOut->OutputString, 2, ST->ConOut, (CHAR16*)L"serial: null io\n");
return;
}
UINTN size = 1;
EFI_STATUS status = uefi_call_wrapper((void*)g_serial.SerialIo->Write, 3, g_serial.SerialIo, &size, &c);
EFI_STATUS status = uefi_call_wrapper(g_serial.SerialIo->Write, 3, g_serial.SerialIo, &size, &c);
if (status != EFI_SUCCESS) {
uefi_call_wrapper((void*)ST->ConOut->OutputString, 2, ST->ConOut, L"serial: write failed\n");
uefi_call_wrapper(ST->ConOut->OutputString, 2, ST->ConOut, (CHAR16*)L"serial: write failed\n");
}
}
void serial_write(const char *str) {
if (!g_serial.SerialIo) {
uefi_call_wrapper((void*)ST->ConOut->OutputString, 2, ST->ConOut, L"serial: null io\n");
uefi_call_wrapper(ST->ConOut->OutputString, 2, ST->ConOut, (CHAR16*)L"serial: null io\n");
return;
}
while (*str) {
@@ -47,7 +48,7 @@ char serial_read_char() {
if (!g_serial.SerialIo) return 0;
char c = 0;
UINTN size = 1;
EFI_STATUS status = uefi_call_wrapper((void*)g_serial.SerialIo->Read, 3, g_serial.SerialIo, &size, &c);
EFI_STATUS status = uefi_call_wrapper(g_serial.SerialIo->Read, 3, g_serial.SerialIo, &size, &c);
if (status != EFI_SUCCESS || size == 0) return 0;
return c;
}