mirror of
https://github.com/DragonOS-Community/DragonOS.git
synced 2025-06-13 11:06:46 +00:00
60 lines
1.5 KiB
C
60 lines
1.5 KiB
C
#include "ata.h"
|
|
#include "../../common/kprint.h"
|
|
#include "../interrupt/apic/apic.h"
|
|
|
|
struct apic_IO_APIC_RTE_entry entry;
|
|
|
|
/**
|
|
* @brief 硬盘中断上半部处理程序
|
|
*
|
|
* @param irq_num
|
|
* @param param
|
|
* @param regs
|
|
*/
|
|
void ata_disk_handler(ul irq_num, ul param, struct pt_regs *regs)
|
|
{
|
|
|
|
}
|
|
|
|
hardware_intr_controller ata_disk_intr_controller =
|
|
{
|
|
.enable = apic_ioapic_enable,
|
|
.disable = apic_ioapic_disable,
|
|
.install = apic_ioapic_install,
|
|
.uninstall = apic_ioapic_uninstall,
|
|
.ack = apic_ioapic_edge_ack,
|
|
};
|
|
|
|
/**
|
|
* @brief 初始化ATA磁盘驱动程序
|
|
*
|
|
*/
|
|
void ata_init()
|
|
{
|
|
entry.vector = 0x2f;
|
|
entry.deliver_mode = IO_APIC_FIXED;
|
|
entry.dest_mode = DEST_PHYSICAL;
|
|
entry.deliver_status = IDLE;
|
|
entry.polarity = POLARITY_HIGH;
|
|
entry.remote_IRR = IRR_RESET;
|
|
entry.trigger_mode = EDGE_TRIGGER;
|
|
entry.mask = MASKED;
|
|
entry.reserved = 0;
|
|
|
|
entry.destination.physical.reserved1 = 0;
|
|
entry.destination.physical.reserved2 = 0;
|
|
entry.destination.physical.phy_dest = 0; // 投递至BSP
|
|
|
|
irq_register(entry.vector, &entry, &ata_disk_handler, 0, &ata_disk_intr_controller, "ATA Disk 1");
|
|
|
|
io_out8(PORT_DISK1_STATUS_CTRL_REG, 0); // 使能中断请求
|
|
|
|
io_out8(PORT_DISK1_ERR_STATUS, 0);
|
|
io_out8(PORT_DISK1_SECTOR_CNT, 0);
|
|
io_out8(PORT_DISK1_LBA_7_0, 0);
|
|
io_out8(PORT_DISK1_LBA_15_8, 0);
|
|
io_out8(PORT_DISK1_LBA_23_16, 0);
|
|
io_out8(PORT_DISK1_DEVICE_CONFIGURE_REG, 0);
|
|
|
|
io_out8(PORT_DISK1_CONTROLLER_STATUS_CMD, 0xec); // 获取硬件设备识别信息
|
|
} |