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解析RSDT header的sign信息

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This commit is contained in:
fslongjin
2022-03-13 14:59:31 +08:00
parent a879bada0a
commit 9dd1c65cae
3 changed files with 60 additions and 16 deletions
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7
kernel/driver/acpi/acpi.h
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@ -26,6 +26,9 @@
// 0x80-0xff Reserved for OEM use
#define ACPI_RSDT_VIRT_ADDR_BASE 0xffff80000a000000UL
#define ACPI_DESCRIPTION_HEDERS_BASE ACPI_RSDT_VIRT_ADDR_BASE + PAGE_2M_SIZE
struct acpi_RSDP_t
{
@ -123,7 +126,7 @@ struct acpi_RSDT_Structure_t
struct acpi_system_description_table_header_t header;
// 一个包含了n个32bit物理地址的数组，指向了其他的description headers
uint *Entry;
uint Entry;
};
// =========== XSDT 结构 =============
@ -149,7 +152,7 @@ struct acpi_iter_SDT_header_t
* @param _data 数据
*/
void acpi_iter_SDT(bool (*_fun)(const struct acpi_iter_SDT_header_t *, void *),
void *_data);
void *_data);
/**
* @brief 获取MADT信息