New patch to review for coreboot: cf74c16 vboot_wrapper: handling VBERROR_TPM_REBOOT_REQUIRED from VbInit().

[Marc Jones]

Marc Jones ([e-mail]) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/8163

-gerrit

commit cf74c16b4cf558f2f465ed91a45593df96ea9816
Author: Kevin Cheng 
Date:   Mon Jun 30 17:51:48 2014 -0700

vboot_wrapper: handling VBERROR_TPM_REBOOT_REQUIRED from VbInit().

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.

Original-Change-Id: I9d7c4b3a380a931a728f792b4013b3b9bf65dfae
    Original-Signed-off-by: Kevin Cheng 
    Original-Reviewed-on: https://chromium-review.googlesource.com/206337
    Original-Reviewed-by: Randall Spangler 
    (cherry picked from commit 32728dd9fc43a95d6f763a85f9cc7a660a66b175)
    Original-Reviewed-on: https://chromium-review.googlesource.com/206948
    Original-Reviewed-by: Shawn Nematbakhsh 
    (cherry picked from commit 1ea5e233386d236ce20f3d1695fac3a1bc49d4bd)
    Signed-off-by: Marc Jones

Change-Id: Ib93fdf7b22918f563d3e29207a75fc831bee186a
---
 src/vendorcode/google/chromeos/vboot_context.h | 1 +
 src/vendorcode/google/chromeos/vboot_loader.c  | 6 ++++++
 src/vendorcode/google/chromeos/vboot_wrapper.c | 7 ++++++-
 3 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/src/vendorcode/google/chromeos/vboot_context.h b/src/vendorcode/google/chromeos/vboot_context.h
index 822fed4..cd82aac 100644
--- a/src/vendorcode/google/chromeos/vboot_context.h
+++ b/src/vendorcode/google/chromeos/vboot_context.h
@@ -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 */
diff --git a/src/vendorcode/google/chromeos/vboot_loader.c b/src/vendorcode/google/chromeos/vboot_loader.c
index 80e2aea..daf5260 100644
--- a/src/vendorcode/google/chromeos/vboot_loader.c
+++ b/src/vendorcode/google/chromeos/vboot_loader.c
@@ -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);

diff --git a/src/vendorcode/google/chromeos/vboot_wrapper.c b/src/vendorcode/google/chromeos/vboot_wrapper.c
index 5aa0066..dd6065c 100644
--- a/src/vendorcode/google/chromeos/vboot_wrapper.c
+++ b/src/vendorcode/google/chromeos/vboot_wrapper.c
@@ -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);