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x86: Add a function to find the size of an mrccache record

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Move the code to determine the size of a cache record into a function so
we can use it elsewhere in this file.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
This commit is contained in:
Simon Glass 2019-09-25 08:57:04 -06:00 committed by Bin Meng
parent 9859dc76e7
commit ca4e40887e
1 changed files with 8 additions and 7 deletions
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15
arch/x86/lib/mrccache.c
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@ -17,19 +17,20 @@
DECLARE_GLOBAL_DATA_PTR;
static uint mrc_block_size(uint data_size)
{
uint mrc_size = sizeof(struct mrc_data_container) + data_size;
return ALIGN(mrc_size, MRC_DATA_ALIGN);
}
static struct mrc_data_container *next_mrc_block(
struct mrc_data_container *cache)
{
/* MRC data blocks are aligned within the region */
u32 mrc_size = sizeof(*cache) + cache->data_size;
u8 *region_ptr = (u8 *)cache;
if (mrc_size & (MRC_DATA_ALIGN - 1UL)) {
mrc_size &= ~(MRC_DATA_ALIGN - 1UL);
mrc_size += MRC_DATA_ALIGN;
}
region_ptr += mrc_size;
region_ptr += mrc_block_size(cache->data_size);
return (struct mrc_data_container *)region_ptr;
}