DragonOS-Community/DragonOS
4
1
Fork 0
mirror of https://github.com/DragonOS-Community/DragonOS.git synced 2025-06-18 12:16:31 +00:00
Code Issues Releases Wiki Activity

🆕 HPET驱动

Browse Source
This commit is contained in:
fslongjin
2022-04-08 12:20:53 +08:00
parent 8bf4da2afa
commit d887f9a0f7
12 changed files with 259 additions and 36 deletions
Download Patch File Download Diff File Expand all files Collapse all files

50
kernel/driver/interrupt/apic/apic.c
View File

@ -27,9 +27,9 @@ void apic_io_apic_init()
acpi_iter_SDT(acpi_get_MADT, &madt_addr);
madt = (struct acpi_Multiple_APIC_Description_Table_t *)madt_addr;
//kdebug("MADT->local intr controller addr=%#018lx", madt->Local_Interrupt_Controller_Address);
//kdebug("MADT->length= %d bytes", madt->header.Length);
// 寻找io apic的ICS
// kdebug("MADT->local intr controller addr=%#018lx", madt->Local_Interrupt_Controller_Address);
// kdebug("MADT->length= %d bytes", madt->header.Length);
// 寻找io apic的ICS
void *ent = (void *)(madt_addr) + sizeof(struct acpi_Multiple_APIC_Description_Table_t);
struct apic_Interrupt_Controller_Structure_header_t *header = (struct apic_Interrupt_Controller_Structure_header_t *)ent;
while (header->length > 2)
@ -181,7 +181,7 @@ void apic_init_ap_core_local_apic()
kdebug("cmci = %#018lx", *(uint *)(APIC_LOCAL_APIC_VIRT_BASE_ADDR + LOCAL_APIC_OFFSET_Local_APIC_LVT_CMCI));
*/
//*(uint *)(APIC_LOCAL_APIC_VIRT_BASE_ADDR + LOCAL_APIC_OFFSET_Local_APIC_LVT_TIMER) = 0x10000;
//io_mfence();
// io_mfence();
/*
*(uint *)(APIC_LOCAL_APIC_VIRT_BASE_ADDR + LOCAL_APIC_OFFSET_Local_APIC_LVT_THERMAL) = 0x1000000;
io_mfence();
@ -628,4 +628,46 @@ uint apic_get_ics(const uint type, ul ret_vaddr[], uint *total)
return APIC_E_NOTFOUND;
else
return APIC_SUCCESS;
}
/**
* @brief 构造RTE Entry结构体
*
* @param entry 返回的结构体
* @param vector 中断向量
* @param deliver_mode 投递模式
* @param dest_mode 目标模式
* @param deliver_status 投递状态
* @param polarity 电平触发极性
* @param irr 远程IRR标志位（只读）
* @param trigger 触发模式
* @param mask 屏蔽标志位，（0为未屏蔽， 1为已屏蔽）
* @param dest_apicID 目标apicID
*/
void apic_make_rte_entry(struct apic_IO_APIC_RTE_entry *entry, uint8_t vector, uint8_t deliver_mode, uint8_t dest_mode,
uint8_t deliver_status, uint8_t polarity, uint8_t irr, uint8_t trigger, uint8_t mask, uint8_t dest_apicID)
{
entry->vector = vector;
entry->deliver_mode = deliver_mode;
entry->dest_mode = dest_mode;
entry->deliver_status = deliver_status;
entry->polarity = polarity;
entry->remote_IRR = irr;
entry->trigger_mode = trigger;
entry->mask = mask;
entry->reserved = 0;
if (dest_mode == DEST_PHYSICAL)
{
entry->destination.physical.phy_dest = dest_apicID;
entry->destination.physical.reserved1 = 0;
entry->destination.physical.reserved2 = 0;
}
else
{
entry->destination.logical.logical_dest = dest_apicID;
entry->destination.logical.reserved1 = 0;
}
}

30
kernel/driver/interrupt/apic/apic.h
View File

@ -73,8 +73,6 @@
// 分频配置寄存器（定时器专用）
#define LOCAL_APIC_OFFSET_Local_APIC_CLKDIV 0x3e0
/*
1: LVT CMCI
@ -269,10 +267,9 @@ ul apic_ioapic_read_rte(unsigned char index);
*/
void apic_ioapic_write_rte(unsigned char index, ul value);
/**
* @brief 初始化AP处理器的Local apic
*
*
*/
void apic_init_ap_core_local_apic();
@ -284,13 +281,13 @@ void apic_init();
/**
* @brief 读取指定类型的 Interrupt Control Structure
*
*
* @param type ics的类型
* @param ret_vaddr 对应的ICS的虚拟地址数组
* @param total 返回数组的元素总个数
* @return uint
* @return uint
*/
uint apic_get_ics(const uint type, ul ret_vaddr[], uint * total);
uint apic_get_ics(const uint type, ul ret_vaddr[], uint *total);
// =========== 中断控制操作接口 ============
void apic_ioapic_enable(ul irq_num);
@ -301,4 +298,21 @@ void apic_ioapic_level_ack(ul irq_num); // ioapic电平触发 应答
void apic_ioapic_edge_ack(ul irq_num); // ioapic边沿触发 应答
// void apic_local_apic_level_ack(ul irq_num);// local apic电平触发 应答
void apic_local_apic_edge_ack(ul irq_num);// local apic边沿触发 应答
void apic_local_apic_edge_ack(ul irq_num); // local apic边沿触发 应答
/**
* @brief 构造RTE Entry结构体
*
* @param entry 返回的结构体
* @param vector 中断向量
* @param deliver_mode 投递模式
* @param dest_mode 目标模式
* @param deliver_status 投递状态
* @param polarity 电平触发极性
* @param irr 远程IRR标志位（只读）
* @param trigger 触发模式
* @param mask 屏蔽标志位，（0为未屏蔽， 1为已屏蔽）
* @param dest_apicID 目标apicID
*/
void apic_make_rte_entry(struct apic_IO_APIC_RTE_entry *entry, uint8_t vector, uint8_t deliver_mode, uint8_t dest_mode,
uint8_t deliver_status, uint8_t polarity, uint8_t irr, uint8_t trigger, uint8_t mask, uint8_t dest_apicID);