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Diffstat (limited to 'arch/loongarch/mm/tlbex.S')
-rw-r--r--arch/loongarch/mm/tlbex.S98
1 files changed, 49 insertions, 49 deletions
diff --git a/arch/loongarch/mm/tlbex.S b/arch/loongarch/mm/tlbex.S
index 7eee40271577..de19fa2d7f0d 100644
--- a/arch/loongarch/mm/tlbex.S
+++ b/arch/loongarch/mm/tlbex.S
@@ -18,7 +18,7 @@
REG_S a2, sp, PT_BVADDR
li.w a1, \write
la.abs t0, do_page_fault
- jirl ra, t0, 0
+ jirl ra, t0, 0
RESTORE_ALL_AND_RET
SYM_FUNC_END(tlb_do_page_fault_\write)
.endm
@@ -34,7 +34,7 @@ SYM_FUNC_START(handle_tlb_protect)
csrrd a2, LOONGARCH_CSR_BADV
REG_S a2, sp, PT_BVADDR
la.abs t0, do_page_fault
- jirl ra, t0, 0
+ jirl ra, t0, 0
RESTORE_ALL_AND_RET
SYM_FUNC_END(handle_tlb_protect)
@@ -47,7 +47,7 @@ SYM_FUNC_START(handle_tlb_load)
* The vmalloc handling is not in the hotpath.
*/
csrrd t0, LOONGARCH_CSR_BADV
- blt t0, $r0, vmalloc_load
+ bltz t0, vmalloc_load
csrrd t1, LOONGARCH_CSR_PGDL
vmalloc_done_load:
@@ -80,7 +80,7 @@ vmalloc_done_load:
* see if we need to jump to huge tlb processing.
*/
andi t0, ra, _PAGE_HUGE
- bne t0, $r0, tlb_huge_update_load
+ bnez t0, tlb_huge_update_load
csrrd t0, LOONGARCH_CSR_BADV
srli.d t0, t0, (PAGE_SHIFT + PTE_ORDER)
@@ -100,12 +100,12 @@ smp_pgtable_change_load:
srli.d ra, t0, _PAGE_PRESENT_SHIFT
andi ra, ra, 1
- beq ra, $r0, nopage_tlb_load
+ beqz ra, nopage_tlb_load
ori t0, t0, _PAGE_VALID
#ifdef CONFIG_SMP
sc.d t0, t1, 0
- beq t0, $r0, smp_pgtable_change_load
+ beqz t0, smp_pgtable_change_load
#else
st.d t0, t1, 0
#endif
@@ -139,23 +139,23 @@ tlb_huge_update_load:
#endif
srli.d ra, t0, _PAGE_PRESENT_SHIFT
andi ra, ra, 1
- beq ra, $r0, nopage_tlb_load
+ beqz ra, nopage_tlb_load
tlbsrch
ori t0, t0, _PAGE_VALID
#ifdef CONFIG_SMP
sc.d t0, t1, 0
- beq t0, $r0, tlb_huge_update_load
+ beqz t0, tlb_huge_update_load
ld.d t0, t1, 0
#else
st.d t0, t1, 0
#endif
- addu16i.d t1, $r0, -(CSR_TLBIDX_EHINV >> 16)
- addi.d ra, t1, 0
- csrxchg ra, t1, LOONGARCH_CSR_TLBIDX
+ addu16i.d t1, zero, -(CSR_TLBIDX_EHINV >> 16)
+ addi.d ra, t1, 0
+ csrxchg ra, t1, LOONGARCH_CSR_TLBIDX
tlbwr
- csrxchg $r0, t1, LOONGARCH_CSR_TLBIDX
+ csrxchg zero, t1, LOONGARCH_CSR_TLBIDX
/*
* A huge PTE describes an area the size of the
@@ -178,27 +178,27 @@ tlb_huge_update_load:
addi.d t0, ra, 0
/* Convert to entrylo1 */
- addi.d t1, $r0, 1
+ addi.d t1, zero, 1
slli.d t1, t1, (HPAGE_SHIFT - 1)
add.d t0, t0, t1
csrwr t0, LOONGARCH_CSR_TLBELO1
/* Set huge page tlb entry size */
- addu16i.d t0, $r0, (CSR_TLBIDX_PS >> 16)
- addu16i.d t1, $r0, (PS_HUGE_SIZE << (CSR_TLBIDX_PS_SHIFT - 16))
+ addu16i.d t0, zero, (CSR_TLBIDX_PS >> 16)
+ addu16i.d t1, zero, (PS_HUGE_SIZE << (CSR_TLBIDX_PS_SHIFT - 16))
csrxchg t1, t0, LOONGARCH_CSR_TLBIDX
tlbfill
- addu16i.d t0, $r0, (CSR_TLBIDX_PS >> 16)
- addu16i.d t1, $r0, (PS_DEFAULT_SIZE << (CSR_TLBIDX_PS_SHIFT - 16))
+ addu16i.d t0, zero, (CSR_TLBIDX_PS >> 16)
+ addu16i.d t1, zero, (PS_DEFAULT_SIZE << (CSR_TLBIDX_PS_SHIFT - 16))
csrxchg t1, t0, LOONGARCH_CSR_TLBIDX
nopage_tlb_load:
dbar 0
csrrd ra, EXCEPTION_KS2
la.abs t0, tlb_do_page_fault_0
- jirl $r0, t0, 0
+ jr t0
SYM_FUNC_END(handle_tlb_load)
SYM_FUNC_START(handle_tlb_store)
@@ -210,7 +210,7 @@ SYM_FUNC_START(handle_tlb_store)
* The vmalloc handling is not in the hotpath.
*/
csrrd t0, LOONGARCH_CSR_BADV
- blt t0, $r0, vmalloc_store
+ bltz t0, vmalloc_store
csrrd t1, LOONGARCH_CSR_PGDL
vmalloc_done_store:
@@ -244,7 +244,7 @@ vmalloc_done_store:
* see if we need to jump to huge tlb processing.
*/
andi t0, ra, _PAGE_HUGE
- bne t0, $r0, tlb_huge_update_store
+ bnez t0, tlb_huge_update_store
csrrd t0, LOONGARCH_CSR_BADV
srli.d t0, t0, (PAGE_SHIFT + PTE_ORDER)
@@ -265,12 +265,12 @@ smp_pgtable_change_store:
srli.d ra, t0, _PAGE_PRESENT_SHIFT
andi ra, ra, ((_PAGE_PRESENT | _PAGE_WRITE) >> _PAGE_PRESENT_SHIFT)
xori ra, ra, ((_PAGE_PRESENT | _PAGE_WRITE) >> _PAGE_PRESENT_SHIFT)
- bne ra, $r0, nopage_tlb_store
+ bnez ra, nopage_tlb_store
ori t0, t0, (_PAGE_VALID | _PAGE_DIRTY | _PAGE_MODIFIED)
#ifdef CONFIG_SMP
sc.d t0, t1, 0
- beq t0, $r0, smp_pgtable_change_store
+ beqz t0, smp_pgtable_change_store
#else
st.d t0, t1, 0
#endif
@@ -306,24 +306,24 @@ tlb_huge_update_store:
srli.d ra, t0, _PAGE_PRESENT_SHIFT
andi ra, ra, ((_PAGE_PRESENT | _PAGE_WRITE) >> _PAGE_PRESENT_SHIFT)
xori ra, ra, ((_PAGE_PRESENT | _PAGE_WRITE) >> _PAGE_PRESENT_SHIFT)
- bne ra, $r0, nopage_tlb_store
+ bnez ra, nopage_tlb_store
tlbsrch
ori t0, t0, (_PAGE_VALID | _PAGE_DIRTY | _PAGE_MODIFIED)
#ifdef CONFIG_SMP
sc.d t0, t1, 0
- beq t0, $r0, tlb_huge_update_store
+ beqz t0, tlb_huge_update_store
ld.d t0, t1, 0
#else
st.d t0, t1, 0
#endif
- addu16i.d t1, $r0, -(CSR_TLBIDX_EHINV >> 16)
- addi.d ra, t1, 0
- csrxchg ra, t1, LOONGARCH_CSR_TLBIDX
+ addu16i.d t1, zero, -(CSR_TLBIDX_EHINV >> 16)
+ addi.d ra, t1, 0
+ csrxchg ra, t1, LOONGARCH_CSR_TLBIDX
tlbwr
- csrxchg $r0, t1, LOONGARCH_CSR_TLBIDX
+ csrxchg zero, t1, LOONGARCH_CSR_TLBIDX
/*
* A huge PTE describes an area the size of the
* configured huge page size. This is twice the
@@ -345,28 +345,28 @@ tlb_huge_update_store:
addi.d t0, ra, 0
/* Convert to entrylo1 */
- addi.d t1, $r0, 1
+ addi.d t1, zero, 1
slli.d t1, t1, (HPAGE_SHIFT - 1)
add.d t0, t0, t1
csrwr t0, LOONGARCH_CSR_TLBELO1
/* Set huge page tlb entry size */
- addu16i.d t0, $r0, (CSR_TLBIDX_PS >> 16)
- addu16i.d t1, $r0, (PS_HUGE_SIZE << (CSR_TLBIDX_PS_SHIFT - 16))
+ addu16i.d t0, zero, (CSR_TLBIDX_PS >> 16)
+ addu16i.d t1, zero, (PS_HUGE_SIZE << (CSR_TLBIDX_PS_SHIFT - 16))
csrxchg t1, t0, LOONGARCH_CSR_TLBIDX
tlbfill
/* Reset default page size */
- addu16i.d t0, $r0, (CSR_TLBIDX_PS >> 16)
- addu16i.d t1, $r0, (PS_DEFAULT_SIZE << (CSR_TLBIDX_PS_SHIFT - 16))
+ addu16i.d t0, zero, (CSR_TLBIDX_PS >> 16)
+ addu16i.d t1, zero, (PS_DEFAULT_SIZE << (CSR_TLBIDX_PS_SHIFT - 16))
csrxchg t1, t0, LOONGARCH_CSR_TLBIDX
nopage_tlb_store:
dbar 0
csrrd ra, EXCEPTION_KS2
la.abs t0, tlb_do_page_fault_1
- jirl $r0, t0, 0
+ jr t0
SYM_FUNC_END(handle_tlb_store)
SYM_FUNC_START(handle_tlb_modify)
@@ -378,7 +378,7 @@ SYM_FUNC_START(handle_tlb_modify)
* The vmalloc handling is not in the hotpath.
*/
csrrd t0, LOONGARCH_CSR_BADV
- blt t0, $r0, vmalloc_modify
+ bltz t0, vmalloc_modify
csrrd t1, LOONGARCH_CSR_PGDL
vmalloc_done_modify:
@@ -411,7 +411,7 @@ vmalloc_done_modify:
* see if we need to jump to huge tlb processing.
*/
andi t0, ra, _PAGE_HUGE
- bne t0, $r0, tlb_huge_update_modify
+ bnez t0, tlb_huge_update_modify
csrrd t0, LOONGARCH_CSR_BADV
srli.d t0, t0, (PAGE_SHIFT + PTE_ORDER)
@@ -431,12 +431,12 @@ smp_pgtable_change_modify:
srli.d ra, t0, _PAGE_WRITE_SHIFT
andi ra, ra, 1
- beq ra, $r0, nopage_tlb_modify
+ beqz ra, nopage_tlb_modify
ori t0, t0, (_PAGE_VALID | _PAGE_DIRTY | _PAGE_MODIFIED)
#ifdef CONFIG_SMP
sc.d t0, t1, 0
- beq t0, $r0, smp_pgtable_change_modify
+ beqz t0, smp_pgtable_change_modify
#else
st.d t0, t1, 0
#endif
@@ -454,7 +454,7 @@ leave_modify:
ertn
#ifdef CONFIG_64BIT
vmalloc_modify:
- la.abs t1, swapper_pg_dir
+ la.abs t1, swapper_pg_dir
b vmalloc_done_modify
#endif
@@ -471,14 +471,14 @@ tlb_huge_update_modify:
srli.d ra, t0, _PAGE_WRITE_SHIFT
andi ra, ra, 1
- beq ra, $r0, nopage_tlb_modify
+ beqz ra, nopage_tlb_modify
tlbsrch
ori t0, t0, (_PAGE_VALID | _PAGE_DIRTY | _PAGE_MODIFIED)
#ifdef CONFIG_SMP
sc.d t0, t1, 0
- beq t0, $r0, tlb_huge_update_modify
+ beqz t0, tlb_huge_update_modify
ld.d t0, t1, 0
#else
st.d t0, t1, 0
@@ -504,28 +504,28 @@ tlb_huge_update_modify:
addi.d t0, ra, 0
/* Convert to entrylo1 */
- addi.d t1, $r0, 1
+ addi.d t1, zero, 1
slli.d t1, t1, (HPAGE_SHIFT - 1)
add.d t0, t0, t1
csrwr t0, LOONGARCH_CSR_TLBELO1
/* Set huge page tlb entry size */
- addu16i.d t0, $r0, (CSR_TLBIDX_PS >> 16)
- addu16i.d t1, $r0, (PS_HUGE_SIZE << (CSR_TLBIDX_PS_SHIFT - 16))
- csrxchg t1, t0, LOONGARCH_CSR_TLBIDX
+ addu16i.d t0, zero, (CSR_TLBIDX_PS >> 16)
+ addu16i.d t1, zero, (PS_HUGE_SIZE << (CSR_TLBIDX_PS_SHIFT - 16))
+ csrxchg t1, t0, LOONGARCH_CSR_TLBIDX
tlbwr
/* Reset default page size */
- addu16i.d t0, $r0, (CSR_TLBIDX_PS >> 16)
- addu16i.d t1, $r0, (PS_DEFAULT_SIZE << (CSR_TLBIDX_PS_SHIFT - 16))
- csrxchg t1, t0, LOONGARCH_CSR_TLBIDX
+ addu16i.d t0, zero, (CSR_TLBIDX_PS >> 16)
+ addu16i.d t1, zero, (PS_DEFAULT_SIZE << (CSR_TLBIDX_PS_SHIFT - 16))
+ csrxchg t1, t0, LOONGARCH_CSR_TLBIDX
nopage_tlb_modify:
dbar 0
csrrd ra, EXCEPTION_KS2
la.abs t0, tlb_do_page_fault_1
- jirl $r0, t0, 0
+ jr t0
SYM_FUNC_END(handle_tlb_modify)
SYM_FUNC_START(handle_tlb_refill)
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