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32bit booting working

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This commit is contained in:
Alex
2022-10-18 00:19:44 +03:00
parent 3df98c7c8e
commit 348aa69dcb
4 changed files with 89 additions and 99 deletions
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36
Kernel.cpp
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@ -1,5 +1,6 @@
#include "kernel.h"
#include <boot/protocols/multiboot2.h>
#include <interrupts.hpp>
#include <memory.hpp>
#include <string.h>
@ -91,9 +92,38 @@ EXTERNC void arm64Entry(uint64_t dtb_ptr32, uint64_t x1, uint64_t x2, uint64_t x
CPU::Halt();
}
EXTERNC void x32Entry(uint64_t Data)
struct multiboot_info
{
multiboot_uint32_t Size;
multiboot_uint32_t Reserved;
struct multiboot_tag *Tag;
};
EXTERNC void x32Entry(multiboot_info *Info, unsigned int Magic)
{
trace("Hello, World!");
while (1)
CPU::Halt();
if (Info == NULL || Magic == NULL)
{
if (Magic == NULL)
{
error("Multiboot magic is NULL");
}
if (Info == NULL)
{
error("Multiboot info is NULL");
}
CPU::Stop();
}
else if (Magic != MULTIBOOT2_BOOTLOADER_MAGIC)
{
error("Multiboot magic is invalid (%#x != %#x)", Magic, MULTIBOOT2_BOOTLOADER_MAGIC);
trace("Hello, World!");
CPU::Stop();
}
((unsigned char *)0xb8000)[2 * (80) * (25) - 2] = 'M';
((unsigned char *)0xb8000)[2 * (80) * (25) - 1] = 4;
CPU::Stop();
}