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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
View File

@ -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;
}

19
kernel/driver/multiboot2/multiboot2.h
View File

@ -8,6 +8,7 @@
#include "stdint.h"
#include "stdbool.h"
#include "../../common/boot_info.h"
#include "../acpi/acpi.h"
/// @see Multiboot2 Specification version 2.0.pdf
// 启动后，在 32 位内核进入点，机器状态如下：
@ -358,13 +359,15 @@ struct multiboot_tag_smbios_t
struct multiboot_tag_old_acpi_t
{
struct multiboot_tag_t tag_t;
uint8_t rsdp[0];
//uint8_t rsdp[0];
struct acpi_RSDP_t rsdp;
};
struct multiboot_tag_new_acpi_t
{
struct multiboot_tag_t tag_t;
uint8_t rsdp[0];
//uint8_t rsdp[0];
struct acpi_RSDP_2_t rsdp;
};
struct multiboot_tag_network_t
@ -420,7 +423,7 @@ static bool multiboot2_init(void);
* @param _data 数据
*/
void multiboot2_iter(bool (*_fun)(const struct iter_data_t *, void *, unsigned int *),
void *_data, unsigned int *count);
void *_data, unsigned int *count);
/**
* @brief 获取multiboot2协议提供的内存区域信息
@ -451,20 +454,20 @@ bool multiboot2_get_Framebuffer_info(const struct iter_data_t *_iter_data, void
/**
* @brief 获取acpi旧版RSDP
*
*
* @param _iter_data 要被迭代的信息的结构体
* @param _data old RSDP的结构体指针
* @param reserved
* @return uint8_t*
* @param reserved
* @return uint8_t*
*/
bool multiboot2_get_acpi_old_RSDP(const struct iter_data_t *_iter_data, void *data, unsigned int *reserved);
/**
* @brief 获取acpi新版RSDP
*
*
* @param _iter_data 要被迭代的信息的结构体
* @param _data old RSDP的结构体指针
* @param reserved
* @param reserved
* @return uint8_t* struct multiboot_tag_old_acpi_t
*/
bool multiboot2_get_acpi_new_RSDP(const struct iter_data_t *_iter_data, void *data, unsigned int *reserved);