[ARM] Convert set_pte_ext implementions to macros
There are actually only four separate implementations of set_pte_ext.
Use assembler macros to insert code for these into the proc-*.S files.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/arch/arm/mm/proc-xsc3.S b/arch/arm/mm/proc-xsc3.S
index 7bd9e71..ad1ce5a 100644
--- a/arch/arm/mm/proc-xsc3.S
+++ b/arch/arm/mm/proc-xsc3.S
@@ -349,34 +349,16 @@
*/
.align 5
ENTRY(cpu_xsc3_set_pte_ext)
- str r1, [r0], #-2048 @ linux version
+ xscale_set_pte_ext_prologue
- bic r2, r1, #0xff0 @ keep C, B bits
- orr r2, r2, #PTE_TYPE_EXT @ extended page
+ @ If it's cacheable, it needs to be in L2 also.
+ tst r1, #L_PTE_CACHEABLE
+ orrne r2, r2, #PTE_EXT_TEX(0x5)
+
tst r1, #L_PTE_SHARED @ shared?
orrne r2, r2, #0x200
- eor r3, r1, #L_PTE_PRESENT | L_PTE_YOUNG | L_PTE_WRITE | L_PTE_DIRTY
-
- tst r3, #L_PTE_USER @ user?
- orrne r2, r2, #PTE_EXT_AP_URO_SRW @ yes -> user r/o, system r/w
-
- tst r3, #L_PTE_WRITE | L_PTE_DIRTY @ write and dirty?
- orreq r2, r2, #PTE_EXT_AP_UNO_SRW @ yes -> user n/a, system r/w
- @ combined with user -> user r/w
-
- @ If it's cacheable, it needs to be in L2 also.
- eor ip, r1, #L_PTE_CACHEABLE
- tst ip, #L_PTE_CACHEABLE
- orreq r2, r2, #PTE_EXT_TEX(0x5)
-
- tst r3, #L_PTE_PRESENT | L_PTE_YOUNG @ present and young?
- movne r2, #0 @ no -> fault
-
- str r2, [r0] @ hardware version
- mov ip, #0
- mcr p15, 0, r0, c7, c10, 1 @ clean L1 D line
- mcr p15, 0, ip, c7, c10, 4 @ data write barrier
+ xscale_set_pte_ext_epilogue
mov pc, lr
.ltorg