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鼠标驱动已知bug: 数据包大小不正确

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This commit is contained in:
fslongjin
2022-03-17 22:38:23 +08:00
parent a75fa791e7
commit 2bb63e8e87
4 changed files with 49 additions and 21 deletions
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11
kernel/driver/acpi/acpi.c
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@ -5,7 +5,7 @@
#include "../../mm/mm.h"
// 获取RSDT entry的虚拟地址
#define acpi_get_RSDT_entry_vaddr(phys_addr) (ACPI_DESCRIPTION_HEDERS_BASE + MASK_HIGH_32bit(phys_addr) - acpi_RSDT_entry_phys_base)
#define acpi_get_RSDT_entry_vaddr(phys_addr) (ACPI_DESCRIPTION_HEDERS_BASE + (phys_addr)-acpi_RSDT_entry_phys_base)
static struct acpi_RSDP_t *rsdpv1;
static struct acpi_RSDP_2_t *rsdpv2;
@ -35,6 +35,9 @@ void acpi_iter_SDT(bool (*_fun)(const struct acpi_system_description_table_heade
{
sdt_header = (struct acpi_system_description_table_header_t *)(acpi_get_RSDT_entry_vaddr((ul)(*(ent + i))));
kwarn("vvv=%#018lx", (ul)(*(ent + i)));
kwarn("vaddr=%#018lx", (ul)acpi_get_RSDT_entry_vaddr((ul)(*(ent + i))));
printk_color(ORANGE, BLACK,"kkl=%s\n", sdt_header->Signature);
if (_fun(sdt_header, _data) == true)
return;
@ -58,8 +61,10 @@ bool acpi_get_MADT(const struct acpi_system_description_table_header_t *_iter_da
return false;
//*(struct acpi_Multiple_APIC_Description_Table_t *)_data = *(struct acpi_Multiple_APIC_Description_Table_t *)_iter_data;
// 返回MADT的虚拟地址
*(ul*)_data = (ul)_iter_data;
*(ul *)_data = (ul)_iter_data;
printk_color(ORANGE, BLACK,"xxx=%#018lx\n", (ul)_iter_data);
return true;
}
@ -67,6 +72,7 @@ bool acpi_get_MADT(const struct acpi_system_description_table_header_t *_iter_da
* @brief 初始化acpi模块
*
*/
// todo: 修复bug：当物理机上提供了rsdpv2之后，rsdpv1是不提供的（物理地址为0），因此需要手动判断rsdp的版本信息，然后做对应的解析。
void acpi_init()
{
kinfo("Initializing ACPI...");
@ -103,6 +109,7 @@ void acpi_init()
printk_color(ORANGE, BLACK, "RSDT Length=%dbytes.\n", rsdt->header.Length);
printk_color(ORANGE, BLACK, "RSDT Entry num=%d\n", acpi_RSDT_Entry_num);
mm_map_phys_addr(ACPI_RSDT_VIRT_ADDR_BASE, rsdt_phys_base, rsdt->header.Length + PAGE_2M_SIZE, PAGE_KERNEL_PAGE | PAGE_PWT | PAGE_PCD);
// 映射所有的Entry的物理地址
acpi_RSDT_entry_phys_base = ((ul)(rsdt->Entry)) & PAGE_2M_MASK;
// 由于地址只是32bit的，并且存在脏数据，这里需要手动清除高32bit，否则会触发#GP