mirror of
https://github.com/tailix/kernel.git
synced 2024-11-20 11:16:10 -05:00
Started parsing multiboot info
This commit is contained in:
parent
84746cb114
commit
e0739042f1
4 changed files with 31 additions and 11 deletions
14
arch/init.c
14
arch/init.c
|
@ -1,8 +1,9 @@
|
|||
#include "console.h"
|
||||
#include "multiboot.h"
|
||||
|
||||
#include <kernelmq/info.h>
|
||||
#include <kernelmq/stdlib.h>
|
||||
|
||||
#define MULTIBOOT_MAGIC 0x36d76289
|
||||
|
||||
// Defined in linker script
|
||||
extern char _kernel_offset;
|
||||
extern char _kernel_phys_base;
|
||||
|
@ -16,13 +17,14 @@ const struct KernelMQ_Info *init(unsigned long multiboot_magic, unsigned long mu
|
|||
return 0;
|
||||
}
|
||||
|
||||
// Unaligned address
|
||||
if (multiboot_info_addr & 7) {
|
||||
kmemset(&kinfo, 0, sizeof(struct KernelMQ_Info));
|
||||
|
||||
console_initialize();
|
||||
|
||||
if (!multiboot_parse(&kinfo, multiboot_info_addr)) {
|
||||
return 0;
|
||||
}
|
||||
|
||||
kmemset(&kinfo, 0, sizeof(struct KernelMQ_Info));
|
||||
|
||||
kinfo.kernel_offset = (unsigned long)&_kernel_offset;
|
||||
|
||||
kinfo.kernel_phys_base = (unsigned long)&_kernel_phys_base;
|
||||
|
|
|
@ -1,4 +1,3 @@
|
|||
#include "console.h"
|
||||
#include "logger.h"
|
||||
#include "protected.h"
|
||||
#include "paging.h"
|
||||
|
@ -15,8 +14,6 @@ void main(const struct KernelMQ_Info *const kinfo_ptr)
|
|||
{
|
||||
kmemset(&kinfo, 0, sizeof(struct KernelMQ_Info));
|
||||
|
||||
console_initialize();
|
||||
|
||||
if (!kinfo_ptr) {
|
||||
logger_fail("No kernel information. Halt.");
|
||||
return;
|
||||
|
|
|
@ -1,4 +1,4 @@
|
|||
#include "kprintf.h"
|
||||
#include "multiboot.h"
|
||||
|
||||
#define MULTIBOOT_TAG_TYPE_END 0
|
||||
#define MULTIBOOT_TAG_TYPE_CMDLINE 1
|
||||
|
@ -68,8 +68,17 @@ static void print_multiboot_tag_module (const struct multiboot_tag_module
|
|||
static void print_multiboot_tag_basic_meminfo(const struct multiboot_tag_basic_meminfo *tag);
|
||||
static void print_multiboot_tag_mmap (const struct multiboot_tag_mmap *tag);
|
||||
|
||||
void print_multiboot_info(unsigned long addr)
|
||||
unsigned char multiboot_parse(struct KernelMQ_Info *kinfo, unsigned long addr)
|
||||
{
|
||||
if (!kinfo) {
|
||||
return 0;
|
||||
}
|
||||
|
||||
// Unaligned address
|
||||
if (addr & 7) {
|
||||
return 0;
|
||||
}
|
||||
|
||||
for (
|
||||
struct multiboot_tag *tag = (struct multiboot_tag*)(addr + 8);
|
||||
tag->type != MULTIBOOT_TAG_TYPE_END;
|
||||
|
@ -77,6 +86,8 @@ void print_multiboot_info(unsigned long addr)
|
|||
) {
|
||||
print_multiboot_tag(tag);
|
||||
}
|
||||
|
||||
return 1;
|
||||
}
|
||||
|
||||
void print_multiboot_tag(const struct multiboot_tag *const tag)
|
||||
|
|
10
arch/multiboot.h
Normal file
10
arch/multiboot.h
Normal file
|
@ -0,0 +1,10 @@
|
|||
#ifndef KERNELMQ_INCLUDED_MULTIBOOT
|
||||
#define KERNELMQ_INCLUDED_MULTIBOOT 1
|
||||
|
||||
#include <kernelmq/info.h>
|
||||
|
||||
#define MULTIBOOT_MAGIC 0x36d76289
|
||||
|
||||
unsigned char multiboot_parse(struct KernelMQ_Info *kinfo, unsigned long addr);
|
||||
|
||||
#endif
|
Loading…
Reference in a new issue