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authorRandall Spangler <rspangler@chromium.org>2011-03-01 10:33:11 -0800
committerRandall Spangler <rspangler@chromium.org>2011-03-01 10:33:11 -0800
commit618d17d48ceb095e06f7c4395217c304567f316e (patch)
tree483094c4d3b42d29b5ce9c90a6141d4a82efb737 /host
parentc4d21025bb57d78c512c014b694ea148cea18d7e (diff)
downloadvboot-618d17d48ceb095e06f7c4395217c304567f316e.tar.gz
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
Diffstat (limited to 'host')
-rw-r--r--host/lib/crossystem.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/host/lib/crossystem.c b/host/lib/crossystem.c
index 9fe1febb..8e482d36 100644
--- a/host/lib/crossystem.c
+++ b/host/lib/crossystem.c
@@ -487,6 +487,8 @@ int VbGetSystemPropertyInt(const char* name) {
/* 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 @@ const char* VbGetSystemPropertyString(const char* name, char* dest, int size) {
* 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);