mirror of
https://github.com/genodelabs/genode.git
synced 2024-12-24 07:46:42 +00:00
ca971bbfd8
This patch changes the top-level directory layout as a preparatory step for improving the tools for managing 3rd-party source codes. The rationale is described in the issue referenced below. Issue #1082
55 lines
1.6 KiB
Diff
55 lines
1.6 KiB
Diff
diff -r ac48ec8ffd86 platform/pc99/pistachio/src/reboot.cc
|
|
--- a/platform/pc99/pistachio/src/reboot.cc Tue Aug 03 13:10:36 2010 +0200
|
|
+++ b/platform/pc99/pistachio/src/reboot.cc Tue Oct 05 15:30:32 2010 +0200
|
|
@@ -58,7 +58,9 @@
|
|
/*
|
|
* Description: PC99 reset
|
|
*/
|
|
+
|
|
#include <kernel/arch/platform.h>
|
|
+#include <kernel/arch/ioport.h>
|
|
|
|
/*
|
|
* Reboot the box
|
|
@@ -66,6 +68,39 @@
|
|
|
|
void Platform::reboot(void)
|
|
{
|
|
+ asm volatile ("cli \n" :);
|
|
|
|
- for (;;);
|
|
+ /* i8042: store the next byte at port 0x60 as command byte */
|
|
+ while (in_u8(0x64) & 0x2) ;
|
|
+ out_u8(0x64, 0x60);
|
|
+
|
|
+ /* i8042 command byte (PS/2-compatible mode):
|
|
+ b0=0 ... no IRQ 1 is generated when data available in
|
|
+ input buffer
|
|
+ b1=0 ... no IRQ 1 is generated when mouse data available
|
|
+ in input buffer
|
|
+ b2=1 ... set SYS flag in status register -- tells POST
|
|
+ to perform "warm boot" tests/initiailization
|
|
+ b3=0 ... reserved
|
|
+ b4=0 ... keyboard interface enabled
|
|
+ b5=0 ... auxillary PS/2 device (mouse) interface
|
|
+ enabled
|
|
+ b6=0 ... translation disabled -- data appears at
|
|
+ input buffer exactly as read from keyboard
|
|
+ b7=0 ... reserved
|
|
+ */
|
|
+ while (in_u8(0x64) & 0x2) ;
|
|
+ out_u8(0x60, 0x4);
|
|
+
|
|
+ /* i8042: pulse output port with 1110b
|
|
+ b0=0 ... reset computer
|
|
+ b1=1 ... set gate A20
|
|
+ b2=1 ... pull mouse data low
|
|
+ b3=1 ... pull mouse clock low
|
|
+ */
|
|
+ while (in_u8(0x64) & 0x2) ;
|
|
+ out_u8(0x64, 0xfe);
|
|
+
|
|
+ for (;;)
|
|
+ asm volatile ("hlt \n" :);
|
|
}
|