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Code Issues Releases Wiki Activity

ich_descriptors: Draw +0xfff into ICH_FREG_LIMIT()

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The condition `base > limit` is still valid since `base` is always at
least 4096 greater than `limit` in this case.

Change-Id: I11ac0a50b3f32f47879e7cfb7a26068cd0572ede
Signed-off-by: Nico Huber <nico.huber@secunet.com>
Reviewed-on: https://review.coreboot.org/19046
Reviewed-by: David Hendricks <david.hendricks@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Nico Huber
2017-03-29 16:44:33 +02:00
committed by Nico Huber
parent d54e4f4677
commit 0bb3f7142a
4 changed files with 6 additions and 9 deletions
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4
ich_descriptors.c
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@ -246,7 +246,7 @@ static void pprint_freg(const struct ich_desc_region *reg, uint32_t i)
if (base > limit)
msg_pdbg2("is unused.\n");
else
msg_pdbg2("0x%08x - 0x%08x\n", base, limit | 0x0fff);
msg_pdbg2("0x%08x - 0x%08x\n", base, limit);
}
void prettyprint_ich_descriptor_region(const struct ich_descriptors *desc)
@ -952,7 +952,7 @@ int layout_from_ich_descriptors(struct ich_layout *const layout, const void *con
size_t i, j;
for (i = 0, j = 0; i < min(desc.content.NR + 1, ARRAY_SIZE(regions)); ++i) {
const chipoff_t base = ICH_FREG_BASE(desc.region.FLREGs[i]);
const chipoff_t limit = ICH_FREG_LIMIT(desc.region.FLREGs[i]) + 0xfff;
const chipoff_t limit = ICH_FREG_LIMIT(desc.region.FLREGs[i]);
if (limit <= base)
continue;
layout->entries[j].start = base;