libkernaux/examples/bootloader-multiboot2-limine/main.c

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#include <stdarg.h>
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#include <stdint.h>
#include <kernaux/asm/i386.h>
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#include <kernaux/console.h>
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#include <kernaux/multiboot2.h>
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void poweroff();
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extern const struct KernAux_Multiboot2_Header multiboot2_header;
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static void panic(const char *str);
void main(
const uint32_t multiboot2_magic,
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const struct KernAux_Multiboot2_Info *const multiboot2_info
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) {
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if (!KernAux_Multiboot2_Header_is_valid(&multiboot2_header)) {
panic("Multiboot 2 header is invalid");
} else {
kernaux_console_printf("Multiboot 2 header is valid\n");
}
KernAux_Multiboot2_Header_print(&multiboot2_header, kernaux_console_printf);
if (multiboot2_magic != KERNAUX_MULTIBOOT2_INFO_MAGIC) {
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panic("Multiboot 2 magic number is invalid");
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} else {
kernaux_console_printf("Multiboot 2 magic number is valid\n");
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}
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if (!KernAux_Multiboot2_Info_is_valid(multiboot2_info)) {
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panic("Multiboot 2 info is invalid");
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} else {
kernaux_console_printf("Multiboot 2 info is valid\n");
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}
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KernAux_Multiboot2_Info_print(multiboot2_info, kernaux_console_printf);
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}
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void poweroff()
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{
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kernaux_asm_i386_outportw(0x604, 0x2000);
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}
void panic(const char *const str)
{
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kernaux_console_printf("panic: %s\n", str);
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poweroff();
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}