ImagineHaxing/Simple-Kernel
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Make nob run display serial output to stdin

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ImagineHaxing
2026-08-26 21:49:08 +03:00
parent 115c3b463c
commit 6cead0b223
4 changed files with 78 additions and 113 deletions
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nob.c
+7 -8
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@@ -53,9 +53,9 @@ bool build_assembly(Nob_Cmd *cmd) {
}
bool build_c(Nob_Cmd *cmd) {
const char *inputFiles[] = {SRC_FOLDER "kernel.c", SRC_FOLDER "serial.h"};
const char *output = BUILD_FOLDER "kernel.o";
const char *input = SRC_FOLDER "kernel.c";
int rebuild = nob_needs_rebuild1(output, input);
int rebuild = nob_needs_rebuild(output, inputFiles, NOB_ARRAY_LEN(inputFiles));
if (!rebuild)
return true;
@@ -69,6 +69,7 @@ bool build_c(Nob_Cmd *cmd) {
"-O2",
"-o", BUILD_FOLDER "kernel.o",
"-c", SRC_FOLDER "kernel.c");
if (!nob_cmd_run(cmd))
return false;
@@ -83,9 +84,7 @@ bool link_everything(Nob_Cmd *cmd) {
if (!rebuild)
return true;
Nob_File_Paths objectFiles = {0};
nob_da_append(&objectFiles, BUILD_FOLDER "kernel.o");
nob_da_append(&objectFiles, BUILD_FOLDER "boot.o");
const char *objectFiles[] = {BUILD_FOLDER "kernel.o", BUILD_FOLDER "boot.o"};
nob_cmd_append(cmd,
"i686-elf-gcc",
"-T", SRC_FOLDER "linker.ld",
@@ -95,8 +94,8 @@ bool link_everything(Nob_Cmd *cmd) {
"-nostdlib");
// Add objectFiles as input
for (size_t i = 0; i < objectFiles.count; ++i) {
nob_cmd_append(cmd, objectFiles.items[i]);
for (size_t i = 0; i < NOB_ARRAY_LEN(objectFiles); i++) {
nob_cmd_append(cmd, objectFiles[i]);
}
nob_cmd_append(cmd, "-lgcc");
@@ -168,7 +167,7 @@ bool build_bootable_image(Nob_Cmd *cmd) {
}
bool runQemu(Nob_Cmd *cmd) {
nob_cmd_append(cmd, "qemu-system-i386", "-cdrom", BUILD_FOLDER "kernel.iso");
nob_cmd_append(cmd, "qemu-system-i386", "-cdrom", BUILD_FOLDER "kernel.iso", "-serial", "stdio");
if (!nob_cmd_run(cmd))
return false;
return true;