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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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2
ich_descriptors.h
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@ -63,7 +63,7 @@
/* 24-31: reserved */
#define ICH_FREG_BASE(flreg) (((flreg) << 12) & 0x01fff000)
#define ICH_FREG_LIMIT(flreg) (((flreg) >> 4) & 0x01fff000)
#define ICH_FREG_LIMIT(flreg) ((((flreg) >> 4) & 0x01fff000) | 0x00000fff)
void prettyprint_ich_reg_vscc(uint32_t reg_val, int verbosity, bool print_vcl);