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x86: Correct ifdtool microcode calculation

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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>
This commit is contained in:
Simon Glass 2015-01-01 16:17:56 -07:00
parent 6c911c4322
commit 8a388085c7
1 changed files with 2 additions and 2 deletions
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4
tools/ifdtool.c
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@ -788,9 +788,9 @@ static int write_uboot(char *image, int size, struct input_file *uboot,
fdt_strerror(data_size)); fdt_strerror(data_size));
return -ENOENT; return -ENOENT;
} }
offset = ucode_ptr - uboot->addr; offset = (uint32_t)(ucode_ptr + size);
ptr = (void *)image + offset; ptr = (void *)image + offset;
ptr[0] = uboot->addr + (data - image); ptr[0] = (data - image) - size;
ptr[1] = data_size; ptr[1] = data_size;
debug("Wrote microcode pointer at %x: addr=%x, size=%x\n", debug("Wrote microcode pointer at %x: addr=%x, size=%x\n",
ucode_ptr, ptr[0], ptr[1]); ucode_ptr, ptr[0], ptr[1]);