[XS] Change in coreboot[main]: reboot_to_cros: Add a tool to reboot into ChromeOS in hybrid config

[Vladimir Serbinenko (Code Review)]

Vladimir Serbinenko has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/81511?usp=email )

Change subject: reboot_to_cros: Add a tool to reboot into ChromeOS in hybrid config
......................................................................

reboot_to_cros: Add a tool to reboot into ChromeOS in hybrid config

Change-Id: I9b72d3ab380c70fab336b1cd989c70a83964ccd2
Signed-off-by: Vladimir Serbinenko 
---
A util/reboot_to_cros/reboot_to_cros.c
1 file changed, 9 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/11/81511/1

diff --git a/util/reboot_to_cros/reboot_to_cros.c b/util/reboot_to_cros/reboot_to_cros.c
new file mode 100644
index 0000000..3a8b2bc
--- /dev/null
+++ b/util/reboot_to_cros/reboot_to_cros.c
@@ -0,0 +1,9 @@
+#include <unistd.h>
+#include <sys/io.h>
+
+int main() {
+  iopl(3);
+  outb(0x77, 0x72);
+  outb(0xc1, 0x73);
+  execl ("/usr/sbin/shutdown", "shutdown", "-r", "now", NULL);
+}