libkernaux/src/multiboot2/header_print.c

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#include <kernaux/multiboot2.h>

#include <stddef.h>
#include <stdint.h>

void KernAux_Multiboot2_Header_print(
    const struct KernAux_Multiboot2_Header *const multiboot2_header,
    void (*const printf)(const char *format, ...) __attribute__((format(printf, 1, 2)))
) {
    printf("Multiboot 2 header\n");
    printf("  magic: %u\n", multiboot2_header->magic);
    printf("  arch: %u\n", multiboot2_header->arch);
    printf("  size: %u\n", multiboot2_header->total_size);
    printf("  checksum: %u\n", multiboot2_header->checksum);

    const struct KernAux_Multiboot2_HTagBase *tag_base =
        (struct KernAux_Multiboot2_HTagBase*)
        KERNAUX_MULTIBOOT2_DATA(multiboot2_header);

    while (tag_base <
           (struct KernAux_Multiboot2_HTagBase*)
           ((uint8_t*)multiboot2_header + multiboot2_header->total_size))
    {
        if (!KernAux_Multiboot2_HTagBase_is_valid(tag_base)) return;

        KernAux_Multiboot2_HTagBase_print(tag_base, printf);

        tag_base = KERNAUX_MULTIBOOT2_HTAG_NEXT(tag_base);
    }
}

void KernAux_Multiboot2_HTagBase_print(
    const struct KernAux_Multiboot2_HTagBase *const tag_base,
    void (*const printf)(const char *format, ...) __attribute__((format(printf, 1, 2)))
) {
    if (!KernAux_Multiboot2_HTagBase_is_valid(tag_base)) return;

    printf("Multiboot 2 header tag\n");
}