From 187ea8f4eaee59efd0d3c636dfb2fc108e11d7f6 Mon Sep 17 00:00:00 2001
From: Randall Spangler <rspangler@chromium.org>
Date: Tue, 24 Jul 2012 10:17:42 -0700
Subject: [PATCH] hash command without args prints current hash

BUG=none
TEST=hash -> prints offset, size, (digest or in-progress)

Change-Id: Ic21319c522811b3b73ace3538adb5dda0e6324c2
Signed-off-by: Randall Spangler <rspangler@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/28301
---
 common/vboot_hash.c | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/common/vboot_hash.c b/common/vboot_hash.c
index d6b37fda28..c8afce6efe 100644
--- a/common/vboot_hash.c
+++ b/common/vboot_hash.c
@@ -191,6 +191,21 @@ static int command_hash(int argc, char **argv)
 	uint32_t size = CONFIG_FW_RW_SIZE;
 	char *e;
 
+	if (argc == 1) {
+		ccprintf("Offset: 0x%08x\n", data_offset);
+		ccprintf("Size:   0x%08x (%d)\n", data_size, data_size);
+		ccprintf("Digest: ");
+		if (vboot_hash_in_progress()) {
+			ccprintf("(in progress)\n");
+		} else {
+			int i;
+			for (i = 0; i < SHA256_DIGEST_SIZE; i++)
+				ccprintf("%02x", hash[i]);
+			ccprintf("\n");
+		}
+		return EC_SUCCESS;
+	}
+
 	if (argc == 2 && !strcasecmp(argv[1], "abort")) {
 		vboot_hash_abort();
 		return EC_SUCCESS;