diff options
| author | Randall Spangler <rspangler@chromium.org> | 2014-10-02 11:59:30 -0700 |
|---|---|---|
| committer | chrome-internal-fetch <chrome-internal-fetch@google.com> | 2014-10-09 03:31:35 +0000 |
| commit | 9b453fe18b37ae130a78590e487d4a5cf5f779f4 (patch) | |
| tree | 899fe70853a0f7a998a8f6c2728a7193b11a2f30 | |
| parent | 0907e18293e3cd5732bc3905dd13901d7709da88 (diff) | |
| download | vboot-9b453fe18b37ae130a78590e487d4a5cf5f779f4.tar.gz | |
vboot2: Fix saving the slot we tried back to nv storage
Previously, we only kept that slot info in RAM. We read it from NV
storage, but never wrote it back.
Added a test to confirm proper behavior (and made sure it failed
before patching 2misc.c with the fix).
BUG=chrome-os-partner:32583
BRANCH=none
TEST=VBOOT2=1 make runtests
Signed-off-by: Randall Spangler <rspangler@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/221214
Reviewed-by: Daisuke Nojiri <dnojiri@chromium.org>
(cherry picked from commit d300ca81318ed7825632e72b77b076cda73d4efa)
Signed-off-by: Duncan Laurie <dlaurie@chromium.org>
Change-Id: Ie12124d9cbe417914fbde14ea5086380d637240f
Reviewed-on: https://chromium-review.googlesource.com/222228
Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
Tested-by: Duncan Laurie <dlaurie@chromium.org>
Commit-Queue: Duncan Laurie <dlaurie@chromium.org>
| -rw-r--r-- | firmware/2lib/2misc.c | 3 | ||||
| -rw-r--r-- | tests/vb2_misc_tests.c | 4 |
2 files changed, 7 insertions, 0 deletions
diff --git a/firmware/2lib/2misc.c b/firmware/2lib/2misc.c index 5d063b94..94ad0c3b 100644 --- a/firmware/2lib/2misc.c +++ b/firmware/2lib/2misc.c @@ -344,6 +344,9 @@ int vb2_select_fw_slot(struct vb2_context *ctx) vb2_nv_set(ctx, VB2_NV_TRY_COUNT, tries - 1); } + /* Store the slot we're trying */ + vb2_nv_set(ctx, VB2_NV_FW_TRIED, sd->fw_slot); + /* Set context flag if we're using slot B */ if (sd->fw_slot) ctx->flags |= VB2_CONTEXT_FW_SLOT_B; diff --git a/tests/vb2_misc_tests.c b/tests/vb2_misc_tests.c index 74837c5e..72c284c6 100644 --- a/tests/vb2_misc_tests.c +++ b/tests/vb2_misc_tests.c @@ -414,6 +414,7 @@ static void select_slot_tests(void) TEST_EQ(vb2_nv_get(&cc, VB2_NV_FW_RESULT), VB2_FW_RESULT_UNKNOWN, "result unknown"); TEST_NEQ(sd->status & VB2_SD_STATUS_CHOSE_SLOT, 0, "chose slot"); + TEST_EQ(vb2_nv_get(&cc, VB2_NV_FW_TRIED), 0, "tried A"); TEST_EQ(sd->fw_slot, 0, "selected A"); TEST_EQ(cc.flags & VB2_CONTEXT_FW_SLOT_B, 0, "didn't choose B"); @@ -424,6 +425,7 @@ static void select_slot_tests(void) TEST_EQ(vb2_nv_get(&cc, VB2_NV_FW_RESULT), VB2_FW_RESULT_UNKNOWN, "result unknown"); TEST_NEQ(sd->status & VB2_SD_STATUS_CHOSE_SLOT, 0, "chose slot"); + TEST_EQ(vb2_nv_get(&cc, VB2_NV_FW_TRIED), 1, "tried B"); TEST_EQ(sd->fw_slot, 1, "selected B"); TEST_NEQ(cc.flags & VB2_CONTEXT_FW_SLOT_B, 0, "ctx says choose B"); @@ -433,6 +435,7 @@ static void select_slot_tests(void) TEST_SUCC(vb2_select_fw_slot(&cc), "select slot A out of tries"); TEST_EQ(vb2_nv_get(&cc, VB2_NV_TRY_NEXT), 1, "try B next"); TEST_NEQ(sd->status & VB2_SD_STATUS_CHOSE_SLOT, 0, "chose slot"); + TEST_EQ(vb2_nv_get(&cc, VB2_NV_FW_TRIED), 1, "tried B"); TEST_EQ(sd->fw_slot, 1, "selected B"); TEST_NEQ(cc.flags & VB2_CONTEXT_FW_SLOT_B, 0, "ctx says choose B"); @@ -443,6 +446,7 @@ static void select_slot_tests(void) TEST_EQ(vb2_nv_get(&cc, VB2_NV_FW_RESULT), VB2_FW_RESULT_TRYING, "result trying"); TEST_NEQ(sd->status & VB2_SD_STATUS_CHOSE_SLOT, 0, "chose slot"); + TEST_EQ(vb2_nv_get(&cc, VB2_NV_FW_TRIED), 0, "tried A"); TEST_EQ(sd->fw_slot, 0, "selected A"); TEST_EQ(cc.flags & VB2_CONTEXT_FW_SLOT_B, 0, "didn't choose B"); TEST_EQ(vb2_nv_get(&cc, VB2_NV_TRY_COUNT), 2, "tries decremented"); |