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-rw-r--r--arch/csky/kernel/entry.S10
1 files changed, 8 insertions, 2 deletions
diff --git a/arch/csky/kernel/entry.S b/arch/csky/kernel/entry.S
index 5a5cabd076e1..d5f6d04b21a8 100644
--- a/arch/csky/kernel/entry.S
+++ b/arch/csky/kernel/entry.S
@@ -49,6 +49,7 @@ ENTRY(csky_\name)
RD_PGDR r6
RD_MEH a3
+ WR_MEH a3
#ifdef CONFIG_CPU_HAS_TLBI
tlbi.vaas a3
sync.is
@@ -64,10 +65,11 @@ ENTRY(csky_\name)
WR_MCIR a2
#endif
bclri r6, 0
+ lrw a2, PAGE_OFFSET
+ add r6, a2
lrw a2, va_pa_offset
ld.w a2, (a2, 0)
subu r6, a2
- bseti r6, 31
mov a2, a3
lsri a2, _PGDIR_SHIFT
@@ -75,10 +77,11 @@ ENTRY(csky_\name)
addu r6, a2
ldw r6, (r6)
+ lrw a2, PAGE_OFFSET
+ add r6, a2
lrw a2, va_pa_offset
ld.w a2, (a2, 0)
subu r6, a2
- bseti r6, 31
lsri a3, PTE_INDX_SHIFT
lrw a2, PTE_INDX_MSK
@@ -314,6 +317,9 @@ ENTRY(csky_trap)
ENTRY(csky_get_tls)
USPTOKSP
+ RD_MEH a0
+ WR_MEH a0
+
/* increase epc for continue */
mfcr a0, epc
addi a0, TRAP0_SIZE