From: acevest <zhaoyanbai@126.com>
Date: Sun, 14 Nov 2021 12:16:40 +0000 (+0800)
Subject: fix 切换tty光标位置不正确的问题
X-Git-Url: http://zhaoyanbai.com/repos/%22http:/www.isc.org/icons/zpipe.c?a=commitdiff_plain;h=4ceb1e5431f6e3f4b53fda9da718afb1bf2c3754;p=kernel.git

fix 切换tty光标位置不正确的问题
---

diff --git a/drivers/pci.c b/drivers/pci.c
index e1cd00a..156f5a0 100644
--- a/drivers/pci.c
+++ b/drivers/pci.c
@@ -226,7 +226,6 @@ void setup_pci() {
     }
 
     dump_pci_dev();
-    asm("cli;hlt;");
 }
 
 typedef struct pci_info {
diff --git a/include/printk.h b/include/printk.h
index 551bf05..bc04ce6 100644
--- a/include/printk.h
+++ b/include/printk.h
@@ -16,7 +16,6 @@
 
 #pragma once
 
-void switch_printk_screen();
 int printk(const char *fmtstr, ...);
 int printd(const char *fmtstr, ...);
 int printlo(unsigned int line, unsigned int offset, const char *fmtstr, ...);
diff --git a/kernel/setup.c b/kernel/setup.c
index f8e6413..df344dd 100644
--- a/kernel/setup.c
+++ b/kernel/setup.c
@@ -77,8 +77,6 @@ void setup_kernel() {
     printl(MPL_TITLE, "                                 SYSTEM MONITOR");
     printl(MPL_ROOTDEV, "root device %08x", system.root_dev);
 
-    system_delay();
-
     // setup_tasks();
 
     setup_irqs();
@@ -87,29 +85,17 @@ void setup_kernel() {
 
     void ide_init();
     ide_init();
-    while (1) {
-        asm("sti;hlt;");
-    }
-    extern tty_t monitor_tty;
-    // tty_switch(&monitor_tty);
-    // asm("sti");
-    // while (1) { /* code */
-    // }
-
-    return;
 
-    // switch_printk_screen();
+    detect_cpu();
 
-    // switch_printk_screen();
-    system_delay();
+    printk(version);
 
-    system_delay();
+    extern tty_t monitor_tty;
+    tty_switch(&monitor_tty);
 
-    detect_cpu();
+    while (1) {
+        asm("sti;hlt;");
+    }
 
     setup_fs();
-
-    printk(version);
-
-    // switch_printk_screen();
 }
diff --git a/kernel/system.c b/kernel/system.c
index 6d6a5c4..72bfa16 100644
--- a/kernel/system.c
+++ b/kernel/system.c
@@ -181,15 +181,3 @@ int sysc_reboot(int mode) {
 
     return 0;
 }
-
-void system_delay() {
-    unsigned long flags;
-    irq_save(flags);
-    unsigned int n = system.delay;
-    while (n--) {
-        unsigned long cr0;
-        asm("movl %%cr0, %%eax;" : "=a"(cr0));
-        asm("movl %%eax, %%cr0;" ::"a"(cr0));
-    }
-    irq_restore(flags);
-}
diff --git a/kernel/tty.c b/kernel/tty.c
index 200f771..0a6b5b3 100644
--- a/kernel/tty.c
+++ b/kernel/tty.c
@@ -236,6 +236,8 @@ void tty_switch(tty_t *tty) {
     irq_restore(flags);
 
     current_tty = tty;
+
+    tty_set_cursor(current_tty);
 }
 
 tty_t *current_tty;
\ No newline at end of file