Add kern_nv field to crossystem
Change-Id: Ifa5cc3bd8367a258fb720162572f450a1be99c03
BUG=none
TEST=manual
crossystem kern_nv=0x12345678
crossystem kern_nv
Review URL: http://codereview.chromium.org/6602040
diff --git a/host/lib/crossystem.c b/host/lib/crossystem.c
index 9fe1feb..8e482d3 100644
--- a/host/lib/crossystem.c
+++ b/host/lib/crossystem.c
@@ -487,6 +487,8 @@
/* NV storage values with no defaults for older BIOS. */
else if (!strcasecmp(name,"tried_fwb")) {
value = VbGetNvStorage(VBNV_TRIED_FIRMWARE_B);
+ } else if (!strcasecmp(name,"kern_nv")) {
+ value = VbGetNvStorage(VBNV_KERNEL_FIELD);
}
/* NV storage values. If unable to get from NV storage, fall back to the
* CMOS reboot field used by older BIOS. */
@@ -571,9 +573,13 @@
* Returns 0 if success, -1 if error. */
int VbSetSystemPropertyInt(const char* name, int value) {
+ /* NV storage values with no defaults for older BIOS. */
+ if (!strcasecmp(name,"kern_nv")) {
+ return VbSetNvStorage(VBNV_KERNEL_FIELD, value);
+ }
/* NV storage values. If unable to get from NV storage, fall back to the
* CMOS reboot field used by older BIOS. */
- if (!strcasecmp(name,"recovery_request")) {
+ else if (!strcasecmp(name,"recovery_request")) {
if (0 == VbSetNvStorage(VBNV_RECOVERY_REQUEST, value))
return 0;
return VbSetCmosRebootField(CMOSRF_RECOVERY, value);