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sh64: Utilize thread fault code encoding.

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This plugs in fault code encoding for the sh64 page fault, too.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Paul Mundt
2012-05-14 15:07:52 +09:00
parent 5a1dc78a38
commit 9a7b7739f9
2 changed files with 16 additions and 16 deletions
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20
arch/sh/kernel/cpu/sh5/entry.S
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@@ -1079,9 +1079,8 @@ restore_all:
*
* Kernel TLB fault handlers will get a slightly different interface.
* (r2) struct pt_regs *, original register's frame pointer
* (r3) writeaccess, whether it's a store fault as opposed to load fault
* (r4) execaccess, whether it's a ITLB fault as opposed to DTLB fault
* (r5) Effective Address of fault
* (r3) page fault error code (see asm/thread_info.h)
* (r4) Effective Address of fault
* (LINK) return address
* (SP) = r2
*
@@ -1092,26 +1091,25 @@ restore_all:
tlb_miss_load:
or SP, ZERO, r2
or ZERO, ZERO, r3 /* Read */
or ZERO, ZERO, r4 /* Data */
getcon TEA, r5
getcon TEA, r4
pta call_do_page_fault, tr0
beq ZERO, ZERO, tr0
tlb_miss_store:
or SP, ZERO, r2
movi 1, r3 /* Write */
or ZERO, ZERO, r4 /* Data */
getcon TEA, r5
movi FAULT_CODE_WRITE, r3 /* Write */
getcon TEA, r4
pta call_do_page_fault, tr0
beq ZERO, ZERO, tr0
itlb_miss_or_IRQ:
pta its_IRQ, tr0
beqi/u r4, EVENT_INTERRUPT, tr0
/* ITLB miss */
or SP, ZERO, r2
or ZERO, ZERO, r3 /* Read */
movi 1, r4 /* Text */
getcon TEA, r5
movi FAULT_CODE_ITLB, r3
getcon TEA, r4
/* Fall through */
call_do_page_fault: