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powerpc/64s: Add EX_SIZE definition for paca exception save areas

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Rather than open-coding it 4 times.

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
[mpe: Move __ASSEMBLY__ guards into head-64.h where they're really needed]
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Nicholas Piggin
2017-05-21 23:15:46 +10:00
committed by Michael Ellerman
parent 4d7cd3b956
commit 8c38851415
3 changed files with 14 additions and 4 deletions
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3
arch/powerpc/include/asm/exception-64s.h
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@@ -36,6 +36,7 @@
*/
#include <asm/head-64.h>
/* PACA save area offsets (exgen, exmc, etc) */
#define EX_R9 0
#define EX_R10 8
#define EX_R11 16
@@ -51,6 +52,8 @@
#define EX_PPR 88 /* SMT thread status register (priority) */
#define EX_CTR 96
#define EX_SIZE 13 /* size in u64 units */
#ifdef CONFIG_RELOCATABLE
#define __EXCEPTION_RELON_PROLOG_PSERIES_1(label, h) \
mfspr r11,SPRN_##h##SRR0; /* save SRR0 */ \