From: acevest <zhaoyanbai@126.com>
Date: Tue, 17 Sep 2024 02:54:05 +0000 (+0800)
Subject: 更改发送EOI的代码
X-Git-Url: http://zhaoyanbai.com/repos/%22http:/www.isc.org/icons/zlib_tech.html?a=commitdiff_plain;h=52de92c269793d5b334120f9700a4a019d725f9f;p=kernel.git

更改发送EOI的代码
---

diff --git a/include/system.h b/include/system.h
index 9360459..d0fd0a0 100644
--- a/include/system.h
+++ b/include/system.h
@@ -267,7 +267,7 @@ void user_task_entry();
 
 extern volatile int reenter;
 
-#define DEFAULT_BOOT_DELAY_TICKS 30
+#define DEFAULT_BOOT_DELAY_TICKS 300
 void boot_delay(int ticks);
 
 #endif
diff --git a/kernel/clock.c b/kernel/clock.c
index 97a16a5..37397fb 100644
--- a/kernel/clock.c
+++ b/kernel/clock.c
@@ -75,6 +75,7 @@ void clk_handler(unsigned int irq, pt_regs_t *regs, void *dev_id) {
 // 后续放到一个内核任务中去做，需要先把禁止内核抢占做了
 const char *task_state(unsigned int state);
 void clk_bh_handler(void *arg) {
+
     task_t *p = 0;
     list_head_t *t = 0;
     list_head_t *pos = 0;
diff --git a/kernel/i8259.c b/kernel/i8259.c
index 73078dc..7bd29eb 100644
--- a/kernel/i8259.c
+++ b/kernel/i8259.c
@@ -87,9 +87,9 @@ void mask_ack_i8259_irq(unsigned int irq) {
         // ...
 #else
         // Specific EOI to slave
-        outb(0x60 + (irq & 0x07), PIC_SLAVE_CMD);
+        outb(0x20 + (irq & 0x07), PIC_SLAVE_CMD);
         // Specific EOI to master
-        outb(0x60 + (PIC_CASCADE_IR & 0x07), PIC_MASTER_CMD);
+        outb(0x20 + (PIC_CASCADE_IR & 0x07), PIC_MASTER_CMD);
 #endif
     } else  // Master
     {
@@ -101,7 +101,7 @@ void mask_ack_i8259_irq(unsigned int irq) {
         // ...
 #else
         // Specific EOI to master
-        outb(0x60 + irq, PIC_MASTER_CMD);
+        outb(0x20 + irq, PIC_MASTER_CMD);
 #endif
     }
 }
@@ -115,9 +115,9 @@ void ack_i8259_irq(unsigned int irq) {
         // ...
 #else
         // Specific EOI to slave
-        outb(0x60 + (irq & 0x07), PIC_SLAVE_CMD);
+        outb(0x20 + (irq & 0x07), PIC_SLAVE_CMD);
         // Specific EOI to master
-        outb(0x60 + (PIC_CASCADE_IR & 0x07), PIC_MASTER_CMD);
+        outb(0x20 + (PIC_CASCADE_IR & 0x07), PIC_MASTER_CMD);
 #endif
     } else  // Master
     {
@@ -125,7 +125,7 @@ void ack_i8259_irq(unsigned int irq) {
         // ...
 #else
         // Specific EOI to master
-        outb(0x60 + irq, PIC_MASTER_CMD);
+        outb(0x20 + irq, PIC_MASTER_CMD);
 #endif
     }
 }