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🆕 从multiboot2获取RSDT结构体

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This commit is contained in:
fslongjin
2022-03-13 12:53:32 +08:00
parent e64be7b4df
commit a879bada0a
7 changed files with 115 additions and 23 deletions
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5
kernel/driver/multiboot2/multiboot2.c
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@ -2,7 +2,7 @@
#include "assert.h"
#include "../../common/glib.h"
#include"../../common/kprint.h"
#include "../../common/kprint.h"
uintptr_t boot_info_addr;
unsigned int multiboot2_magic;
unsigned int boot_info_size;
@ -115,8 +115,9 @@ bool multiboot2_get_acpi_old_RSDP(const struct iter_data_t *_iter_data, void *da
{
if (_iter_data->type != MULTIBOOT_TAG_TYPE_ACPI_OLD)
return false;
kdebug("xxx=%#018lx",((struct multiboot_tag_old_acpi_t *)_iter_data)->rsdp);
*(struct multiboot_tag_old_acpi_t *)data = *(struct multiboot_tag_old_acpi_t *)_iter_data;
return true;
}