X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?p=bootcensus;a=blobdiff_plain;f=src%2Fpower.c;fp=src%2Fpower.c;h=8a677d0306b0372ad82ec78a82ec1b005873bf0b;hp=0000000000000000000000000000000000000000;hb=81c11bdd80190ec319a82b0402173cfb65fcbf72;hpb=7dcd5071e600f8cf48174d1fddb3dba57ec9476d

diff --git a/src/power.c b/src/power.c
new file mode 100644
index 0000000..8a677d0
--- /dev/null
+++ b/src/power.c
@@ -0,0 +1,45 @@
+/*
+pcboot - bootable PC demo/game kernel
+Copyright (C) 2018-2019  John Tsiombikas <nuclear@member.fsf.org>
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY, without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <https://www.gnu.org/licenses/>.
+*/
+#include <stdio.h>
+#include "power.h"
+#include "keyb.h"
+#include "kbregs.h"
+#include "timer.h"
+#include "panic.h"
+#include "asmops.h"
+
+/* defined in intr_asm.S */
+void set_idt(uint32_t addr, uint16_t limit);
+
+void reboot(void)
+{
+	int i;
+
+	printf("reboot: keyboard controller\n");
+	kb_send_cmd(KB_CMD_PULSE_RESET);
+
+	for(i=0; i<32768; i++) {
+		iodelay();
+	}
+
+	printf("reboot: triple-fault\n");
+	set_idt(0, 0);
+	asm volatile("int $3");
+
+	panic("can't reboot!");
+}