From: Simon Glass <sjg@chromium.org>
Date: Thu, 1 Jan 2015 23:17:56 +0000 (-0700)
Subject: x86: Correct ifdtool microcode calculation
X-Git-Tag: v2015.04-rc1~195^2~31
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=8a388085c70d0da306cbd0dc644606cf8be24486;p=oweals%2Fu-boot.git

x86: Correct ifdtool microcode calculation

This currently assumes that U-Boot resides at the start of ROM. Update
it to remove this assumption.

Signed-off-by: Simon Glass <sjg@chromium.org>
Tested-by: Bin Meng <bmeng.cn@gmail.com>
---

diff --git a/tools/ifdtool.c b/tools/ifdtool.c
index fe8366ba4f..590ccc914b 100644
--- a/tools/ifdtool.c
+++ b/tools/ifdtool.c
@@ -788,9 +788,9 @@ static int write_uboot(char *image, int size, struct input_file *uboot,
 			      fdt_strerror(data_size));
 			return -ENOENT;
 		}
-		offset = ucode_ptr - uboot->addr;
+		offset = (uint32_t)(ucode_ptr + size);
 		ptr = (void *)image + offset;
-		ptr[0] = uboot->addr + (data - image);
+		ptr[0] = (data - image) - size;
 		ptr[1] = data_size;
 		debug("Wrote microcode pointer at %x: addr=%x, size=%x\n",
 		      ucode_ptr, ptr[0], ptr[1]);