diff options
author | Albert Chaulk <achaulk@chromium.org> | 2013-03-29 10:27:08 -0700 |
---|---|---|
committer | ChromeBot <chrome-bot@google.com> | 2013-06-14 16:16:27 -0700 |
commit | 874109ec57d77c9449ea81edf26a41e243fd436d (patch) | |
tree | 634d6c9a4bea039ac961b0a974f37bc845cf377f /cgpt | |
parent | f2a1dc0a54ec542dd4be7b634483de317c89a2a2 (diff) | |
download | vboot-874109ec57d77c9449ea81edf26a41e243fd436d.tar.gz |
Implement no-op commandsstabilize-4287.Bfactory-pit-4280.B
Provide implementations for "boot" and "legacy" that error out in MTD mode and
"repair" that is a no-op. Eventually if/when we add redundancy, repair will do
something, but boot/legacy never will.
BUG=chromium:221745
BRANCH=none
TEST=none
Original-Change-Id: Ie537f20d8dff9d14fb83d0431bd48453bff0217d
Reviewed-on: https://gerrit.chromium.org/gerrit/46883
Commit-Queue: Albert Chaulk <achaulk@chromium.org>
Reviewed-by: Albert Chaulk <achaulk@chromium.org>
Tested-by: Albert Chaulk <achaulk@chromium.org>
(cherry picked from commit 00c4bc52e35c7c77ebe73322693a457b3dd072f9)
Change-Id: I90e6118114554a05245fb8cfcec9567c4705ea96
Reviewed-on: https://gerrit.chromium.org/gerrit/49790
Reviewed-by: Albert Chaulk <achaulk@chromium.org>
Tested-by: Albert Chaulk <achaulk@chromium.org>
Commit-Queue: Albert Chaulk <achaulk@chromium.org>
Diffstat (limited to 'cgpt')
-rw-r--r-- | cgpt/cgpt_boot.c | 9 | ||||
-rw-r--r-- | cgpt/cgpt_legacy.c | 7 | ||||
-rw-r--r-- | cgpt/cgpt_repair.c | 6 |
3 files changed, 22 insertions, 0 deletions
diff --git a/cgpt/cgpt_boot.c b/cgpt/cgpt_boot.c index 386c4f4d..993e8654 100644 --- a/cgpt/cgpt_boot.c +++ b/cgpt/cgpt_boot.c @@ -78,6 +78,15 @@ int CgptBoot(CgptBootParams *params) { return CGPT_FAILED; } + if (drive.is_mtd) { + /* This command manipulates the legacy MBR sector present at the beginning + * of the GPT structures, and so doesn't apply to MTD drives. + */ + Error("'boot' command unsupported in MTD mode\n"); + retval = CGPT_FAILED; + goto done; + } + if (CGPT_OK != ReadPMBR(&drive)) { Error("Unable to read PMBR\n"); goto done; diff --git a/cgpt/cgpt_legacy.c b/cgpt/cgpt_legacy.c index 932fbb92..e736bd4c 100644 --- a/cgpt/cgpt_legacy.c +++ b/cgpt/cgpt_legacy.c @@ -18,6 +18,13 @@ int CgptLegacy(CgptLegacyParams *params) { if (CGPT_OK != DriveOpen(params->drive_name, &drive, O_RDWR)) return CGPT_FAILED; + if (drive.is_mtd) { + // This command requires GPT mode. + Error("'legacy' command unsupported in MTD mode\n"); + DriveClose(&drive, 0); + return CGPT_FAILED; + } + h1 = (GptHeader *)drive.gpt.primary_header; h2 = (GptHeader *)drive.gpt.secondary_header; if (params->efipart) { diff --git a/cgpt/cgpt_repair.c b/cgpt/cgpt_repair.c index e591c75b..9b4d2dfb 100644 --- a/cgpt/cgpt_repair.c +++ b/cgpt/cgpt_repair.c @@ -18,6 +18,12 @@ int CgptRepair(CgptRepairParams *params) { if (CGPT_OK != DriveOpen(params->drive_name, &drive, O_RDWR)) return CGPT_FAILED; + if (drive.is_mtd) { + // Nothing to do + DriveClose(&drive, 0); + return 0; + } + int gpt_retval = GptSanityCheck(&drive.gpt); if (params->verbose) printf("GptSanityCheck() returned %d: %s\n", |