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磁盘请求在处理时，切换进程

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This commit is contained in:
fslongjin
2022-04-19 15:13:59 +08:00
parent 0e8bf69d65
commit 39dd802ff1
14 changed files with 257 additions and 206 deletions
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8
kernel/main.c
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@ -151,7 +151,9 @@ void system_initialize()
// process_init();
current_pcb->cpu_id = 0;
current_pcb->preempt_count = 0;
process_init();
HPET_init();
}
//操作系统内核从这里开始执行
@ -178,7 +180,7 @@ void Start_Kernel(void)
system_initialize();
/*
uint64_t buf[100];
ahci_operation.transfer(ATA_CMD_READ_DMA_EXT, 0, 1, (uint64_t)&buf, 0, 0);
kdebug("buf[0]=%#010lx",(uint32_t)buf[0]);
@ -187,7 +189,7 @@ void Start_Kernel(void)
ahci_operation.transfer(ATA_CMD_READ_DMA_EXT, 0, 1, (uint64_t)&buf, 0, 0);
kdebug("buf[0]=%#010lx",(uint32_t)buf[0]);
*/
// show_welcome();
// test_mm();
@ -216,7 +218,7 @@ void Start_Kernel(void)
// ipi_send_IPI(DEST_PHYSICAL, IDLE, ICR_LEVEL_DE_ASSERT, EDGE_TRIGGER, 0xc8, ICR_APIC_FIXED, ICR_No_Shorthand, true, 1); // 测试ipi
int last_sec = rtc_now.second;
//int last_sec = rtc_now.second;
/*
while (1)
{