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arch/sparc: Add accurate exception reporting in M7memcpy

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Add accurate exception reporting in M7memcpy

Signed-off-by: Babu Moger <babu.moger@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Babu Moger 2017-08-07 17:52:52 -06:00 • committed by David S. Miller
parent b3a04ed507
commit 34060b8fff
4 changed files with 390 additions and 209 deletions
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10
arch/sparc/lib/M7copy_to_user.S
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@ -5,19 +5,19 @@
*/
#define EX_ST(x) \
#define EX_ST(x, y) \
98: x; \
.section __ex_table,"a"; \
.align 4; \
.word 98b, __restore_asi; \
.word 98b, y; \
.text; \
.align 4;
#define EX_ST_FP(x) \
#define EX_ST_FP(x, y) \
98: x; \
.section __ex_table,"a"; \
.align 4; \
.word 98b, __restore_asi_fp; \
.word 98b, y##_fp; \
.text; \
.align 4;
@ -45,7 +45,7 @@
rd %asi, %g1; \
cmp %g1, ASI_AIUS; \
bne,pn %icc, raw_copy_in_user; \
nop
nop
#endif
#include "M7memcpy.S"