diff options
author | Mary Ruthven <mruthven@chromium.org> | 2016-01-05 14:59:05 -0800 |
---|---|---|
committer | chrome-bot <chrome-bot@chromium.org> | 2016-01-06 05:22:40 -0800 |
commit | 46d78db74a0c14a99adc86b3a8b4536ce0c87365 (patch) | |
tree | 1d6b7944fa4b1cb8a34283d4374f6a0dd47423ee /firmware | |
parent | 0e5f54d79158f216edeb42bfe9c5cd6d35dc6e0d (diff) | |
download | vboot-46d78db74a0c14a99adc86b3a8b4536ce0c87365.tar.gz |
vboot2: Add try RO software sync flag
This flag will be used by the firmware updater to indicate that RO
software sync should be attempted.
BUG=chrome-os-partner:48703
BRANCH=None
TEST=make runtests
Change-Id: I42090ac47da45c724e66334648ab447ad3c21178
Signed-off-by: Mary Ruthven <mruthven@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/320621
Reviewed-by: Randall Spangler <rspangler@chromium.org>
Diffstat (limited to 'firmware')
-rw-r--r-- | firmware/2lib/2nvstorage.c | 7 | ||||
-rw-r--r-- | firmware/2lib/include/2nvstorage.h | 2 | ||||
-rw-r--r-- | firmware/2lib/include/2nvstorage_fields.h | 3 | ||||
-rw-r--r-- | firmware/include/vboot_nvstorage.h | 2 | ||||
-rw-r--r-- | firmware/lib/vboot_nvstorage.c | 12 |
5 files changed, 25 insertions, 1 deletions
diff --git a/firmware/2lib/2nvstorage.c b/firmware/2lib/2nvstorage.c index 851c3872..3e2a8740 100644 --- a/firmware/2lib/2nvstorage.c +++ b/firmware/2lib/2nvstorage.c @@ -169,6 +169,9 @@ uint32_t vb2_nv_get(struct vb2_context *ctx, enum vb2_nv_param param) case VB2_NV_BOOT_ON_AC_DETECT: return GETBIT(VB2_NV_OFFS_MISC, VB2_NV_MISC_BOOT_ON_AC_DETECT); + + case VB2_NV_TRY_RO_SYNC: + return GETBIT(VB2_NV_OFFS_MISC, VB2_NV_MISC_TRY_RO_SYNC); } /* @@ -343,6 +346,10 @@ void vb2_nv_set(struct vb2_context *ctx, SETBIT(VB2_NV_OFFS_MISC, VB2_NV_MISC_BOOT_ON_AC_DETECT); break; + case VB2_NV_TRY_RO_SYNC: + SETBIT(VB2_NV_OFFS_MISC, VB2_NV_MISC_TRY_RO_SYNC); + break; + } /* diff --git a/firmware/2lib/include/2nvstorage.h b/firmware/2lib/include/2nvstorage.h index 31dfc8df..5c958c76 100644 --- a/firmware/2lib/include/2nvstorage.h +++ b/firmware/2lib/include/2nvstorage.h @@ -94,6 +94,8 @@ enum vb2_nv_param { VB2_NV_FASTBOOT_UNLOCK_IN_FW, /* Boot system when AC detected (0=no, 1=yes). */ VB2_NV_BOOT_ON_AC_DETECT, + /* Try to update the EC-RO image after updating the EC-RW image(0=no, 1=yes). */ + VB2_NV_TRY_RO_SYNC, }; /* Set default boot in developer mode */ diff --git a/firmware/2lib/include/2nvstorage_fields.h b/firmware/2lib/include/2nvstorage_fields.h index fd625d06..9ec3d884 100644 --- a/firmware/2lib/include/2nvstorage_fields.h +++ b/firmware/2lib/include/2nvstorage_fields.h @@ -70,8 +70,9 @@ enum vb2_nv_offset { #define VB2_NV_TPM_CLEAR_OWNER_DONE 0x02 #define VB2_NV_TPM_REBOOTED 0x04 -/* Fields in VB2_NV_OFFS_MISC (unused = 0xfc) */ +/* Fields in VB2_NV_OFFS_MISC (unused = 0xf8) */ #define VB2_NV_MISC_UNLOCK_FASTBOOT 0x01 #define VB2_NV_MISC_BOOT_ON_AC_DETECT 0x02 +#define VB2_NV_MISC_TRY_RO_SYNC 0x04 #endif /* VBOOT_REFERENCE_VBOOT_2NVSTORAGE_FIELDS_H_ */ diff --git a/firmware/include/vboot_nvstorage.h b/firmware/include/vboot_nvstorage.h index dc4ab50e..91f62cb4 100644 --- a/firmware/include/vboot_nvstorage.h +++ b/firmware/include/vboot_nvstorage.h @@ -118,6 +118,8 @@ typedef enum VbNvParam { VBNV_FASTBOOT_UNLOCK_IN_FW, /* Boot system when AC detected (0=no, 1=yes). */ VBNV_BOOT_ON_AC_DETECT, + /* Try to update the EC-RO image (0=no, 1=yes). */ + VBNV_TRY_RO_SYNC, } VbNvParam; diff --git a/firmware/lib/vboot_nvstorage.c b/firmware/lib/vboot_nvstorage.c index 403ce30f..d022c5d3 100644 --- a/firmware/lib/vboot_nvstorage.c +++ b/firmware/lib/vboot_nvstorage.c @@ -63,6 +63,7 @@ #define MISC_OFFSET 8 #define MISC_UNLOCK_FASTBOOT 0x01 #define MISC_BOOT_ON_AC_DETECT 0x02 +#define MISC_TRY_RO_SYNC 0x04 #define KERNEL_FIELD_OFFSET 11 #define CRC_OFFSET 15 @@ -226,6 +227,10 @@ int VbNvGet(VbNvContext *context, VbNvParam param, uint32_t *dest) *dest = (raw[MISC_OFFSET] & MISC_BOOT_ON_AC_DETECT) ? 1 : 0; return 0; + case VBNV_TRY_RO_SYNC: + *dest = (raw[MISC_OFFSET] & MISC_TRY_RO_SYNC) ? 1 : 0; + return 0; + default: return 1; } @@ -444,6 +449,13 @@ int VbNvSet(VbNvContext *context, VbNvParam param, uint32_t value) raw[MISC_OFFSET] &= ~MISC_BOOT_ON_AC_DETECT; break; + case VBNV_TRY_RO_SYNC: + if (value) + raw[MISC_OFFSET] |= MISC_TRY_RO_SYNC; + else + raw[MISC_OFFSET] &= ~MISC_TRY_RO_SYNC; + break; + default: return 1; } |