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vboot_wrapper: handling VBERROR_TPM_REBOOT_REQUIRED from VbInit().

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Doing reset while VBERROR_TPM_REBOOT_REQUIRED occured.

BUG=chromium:389568
TEST=Manual force VBERROR_TPM_REBOOT_REQUIRED returned from VbInit()
     and system will reboot.

Change-Id: I9d7c4b3a380a931a728f792b4013b3b9bf65dfae
Signed-off-by: Kevin Cheng <kevin.cheng@intel.com>
Reviewed-on: https://chromium-review.googlesource.com/206337
Reviewed-by: Randall Spangler <rspangler@chromium.org>
(cherry picked from commit 32728dd9fc43a95d6f763a85f9cc7a660a66b175)
Reviewed-on: https://chromium-review.googlesource.com/206948
Reviewed-by: Shawn Nematbakhsh <shawnn@chromium.org>
This commit is contained in:
Kevin Cheng 2014-06-30 17:51:48 -07:00 • committed by chrome-internal-fetch
commit 1ea5e23338
3 changed files with 13 additions and 1 deletions
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1
src/vendorcode/google/chromeos/vboot_context.h
View file

@ -57,6 +57,7 @@ struct vboot_context {
void (*log_msg)(const char *fmt, va_list args);
void (*fatal_error)(void);
void *(*get_region)(uintptr_t offset_addr, size_t size, void *dest);
void (*reset)(void);
};
#endif /* VBOOT_CONTEXT_H */

6
src/vendorcode/google/chromeos/vboot_loader.c
View file

@ -229,6 +229,11 @@ static void vboot_clean_up(struct vboot_context *context)
cbmem_entry_remove(context->vblocks);
}
static void reset(void)
{
hard_reset();
}
static void vboot_invoke_wrapper(struct vboot_handoff *vboot_handoff)
{
VbCommonParams cparams;
@ -298,6 +303,7 @@ static void vboot_invoke_wrapper(struct vboot_handoff *vboot_handoff)
context.log_msg = &log_msg;
context.fatal_error = &fatal_error;
context.get_region = &vboot_get_region;
context.reset = &reset;
vboot_run_stub(&context);

7
src/vendorcode/google/chromeos/vboot_wrapper.c
View file

@ -43,8 +43,13 @@ static void vboot_wrapper(void *arg)
res = VbInit(context->cparams, &context->handoff->init_params);
VbExDebug("VbInit() returned 0x%08x\n", res);
if (res != VBERROR_SUCCESS)
if (res != VBERROR_SUCCESS) {
if(res == VBERROR_TPM_REBOOT_REQUIRED) {
VbExDebug("TPM Reboot Required. Proceeding reboot.\n");
gcontext->reset();
}
return;
}
VbExDebug("Calling VbSelectFirmware()\n");
res = VbSelectFirmware(context->cparams, context->fparams);