Skip to content

X
xv6-public
提交 40a2a083 创建 作者: rsc's avatar rsc
浏览文件
操作

Undo change from this morning that wasn't intended to get in.

上级 643b122b
隐藏空白字符变更
内嵌 并排
正在显示 包含 1 行增加 和 1 行删除
picirq.c
浏览文件 @ 40a2a083
...@@ -53,7 +53,7 @@ pic_init(void) ...@@ -53,7 +53,7 @@ pic_init(void)
outb(IO_PIC2+1, IRQ_SLAVE); // ICW3 outb(IO_PIC2+1, IRQ_SLAVE); // ICW3
// NB Automatic EOI mode doesn't tend to work on the slave. // NB Automatic EOI mode doesn't tend to work on the slave.
// Linux source code says it's "to be investigated". // Linux source code says it's "to be investigated".
outb(IO_PIC2+1, 0x1); // ICW4 outb(IO_PIC2+1, 0x3); // ICW4
// OCW3: 0ef01prs // OCW3: 0ef01prs
// ef: 0x = NOP, 10 = clear specific mask, 11 = set specific mask // ef: 0x = NOP, 10 = clear specific mask, 11 = set specific mask
......
您添加了 0 人 到此讨论。请谨慎行事。
请先完成此评论的编辑！
请 注册 或者 后发表评论