48 lines
1.7 KiB
C
48 lines
1.7 KiB
C
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#include <kern/cdef.h>
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#include <kern/print.h>
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#include <arch/print.h>
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#include <arch/brute.h>
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// private headers
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#include "multiboot2.h"
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ATTR_USED void
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arch_main(void *mb_info)
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{
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/* init printf related stuff */
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arch_print_init();
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kprintf("Multiboot info: 0x%p\n", mb_info);
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kprintf("Initializing arch layer...\n");
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for (struct multiboot_tag *tag = (struct multiboot_tag *) ((uintptr) mb_info + 8);
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tag->type != MULTIBOOT_TAG_TYPE_END;
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tag = (struct multiboot_tag *) ((multiboot_uint8_t *) tag
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+ ((tag->size + 7) & ~7u))) {
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kprintf("Tag 0x%p: %d, Size %d\n", (void *) tag, tag->type, tag->size);
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switch (tag->type) {
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case MULTIBOOT_TAG_TYPE_MMAP:
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for (struct multiboot_mmap_entry *entry = ((struct multiboot_tag_mmap *) tag)->entries;
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(multiboot_uint8_t *) entry < (multiboot_uint8_t *) tag + tag->size;
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entry = (multiboot_memory_map_t *) ((uintptr) entry +
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((struct multiboot_tag_mmap *) tag)->entry_size))
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kprintf(" base_addr = 0x%lx,"
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" length = 0x%lx, type = 0x%x\n",
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(ulong) entry->addr,
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(ulong) entry->len,
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entry->type);
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break;
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case MULTIBOOT_TAG_TYPE_BOOT_LOADER_NAME:
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kprintf("BoND is loaded by: %s\n", ((struct multiboot_tag_string *) tag)->string);
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break;
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default:
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kprintf("Unhandled multiboot tag type: %d\n", tag->type);
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break;
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}
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}
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kprintf("Arch layer initialized.\n");
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arch_brute();
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}
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