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kernel
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feature (kernel): Requesting RAMDISK archive module from bootloader

This commit is contained in:
antifallobst 2023-02-23 00:25:00 +01:00
parent c32988aa72
commit 87ee378144
5 changed files with 53 additions and 6 deletions
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7
build.sh
View File

@ -32,6 +32,11 @@ limine_install() {
echo ""
}
generate_initial_ramdisk() {
echo " --> Generating initrd"
tar -C ramdisk -cvf build/initrd.tar .
}
generate_image() {
echo " --> Generating Image"
cd build
@ -43,6 +48,7 @@ generate_image() {
cp limine/limine-cd-efi.bin iso
cp limine/limine.sys iso
cp ../limine.cfg iso
cp initrd.tar iso
cp cmake/kernel/kernel iso/kernel.elf
xorriso -as mkisofs -b limine-cd.bin \
@ -64,6 +70,7 @@ echo "!=====[ NoxOS build script ]=====!"
workspace_setup
kernel_build
[ ! -d "build/limine" ] && limine_install
generate_initial_ramdisk
generate_image
echo "!=====[ Finished ]=====!"

3
kernel/inc/boot/boot_info.h
View File

@ -23,7 +23,8 @@ typedef struct {
struct limine_framebuffer_response* framebuffer;
struct limine_terminal_response* terminal;
struct limine_memmap_response* memory_map;
struct limine_kernel_file_response* kernel_file;
struct limine_file* kernel_file;
struct limine_file* ramdisk_file;
void* rsdp;
} boot_info_T;

29
kernel/src/boot/limine.c
View File

@ -16,6 +16,7 @@
#include "boot/boot_info.h"
#include "utils/logger.h"
#include "utils/core.h"
#include "utils/memory.h"
extern void kmain(boot_info_T boot_info);
@ -39,6 +40,11 @@ static volatile struct limine_kernel_file_request kernel_file_request = {
.revision = 3
};
static volatile struct limine_module_request module_request = {
.id = LIMINE_MODULE_REQUEST,
.revision = 4
};
void _start() {
boot_info_T boot_info;
@ -69,7 +75,28 @@ void _start() {
CORE_HALT_FOREVER
}
log(LOG_INFO, "( LimineEntry ) Found Kernel File");
boot_info.kernel_file = kernel_file_request.response;
boot_info.kernel_file = kernel_file_request.response->kernel_file;
if (module_request.response == NULL) {
log(LOG_ERROR, "( LimineEntry ) no module response!");
CORE_HALT_FOREVER
}
struct limine_file* ramdisk_file = NULL;
for (int i = 0; i < module_request.response->module_count; i++) {
struct limine_file* file = module_request.response->modules[i];
log(LOG_INFO, "( LimineEntry ) MODULE: %s", file->path);
if (memory_compare(file->path, "/initrd.tar", string_length(file->path))) {
ramdisk_file = file;
}
}
if (ramdisk_file == NULL) {
log(LOG_ERROR, "( LimineEntry ) no ramdisk module!");
CORE_HALT_FOREVER
}
log(LOG_INFO, "( LimineEntry ) Found Ramdisk File");
boot_info.ramdisk_file = ramdisk_file;
kmain(boot_info);
}

1
limine.cfg
View File

@ -3,3 +3,4 @@ TIMEOUT=2
:NoxOS
PROTOCOL=limine
KERNEL_PATH=boot:///kernel.elf
MODULE_PATH=boot:///initrd.tar

11
ramdisk/test.txt Normal file
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@ -0,0 +1,11 @@
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