[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-v6.S b/arch/arm/mm/proc-v6.S
index 5702ec5..70c6235 100644
--- a/arch/arm/mm/proc-v6.S
+++ b/arch/arm/mm/proc-v6.S
@@ -114,46 +114,10 @@
* (hardware version is stored at -1024 bytes)
* - pte - PTE value to store
* - ext - value for extended PTE bits
- *
- * Permissions:
- * YUWD APX AP1 AP0 SVC User
- * 0xxx 0 0 0 no acc no acc
- * 100x 1 0 1 r/o no acc
- * 10x0 1 0 1 r/o no acc
- * 1011 0 0 1 r/w no acc
- * 110x 0 1 0 r/w r/o
- * 11x0 0 1 0 r/w r/o
- * 1111 0 1 1 r/w r/w
*/
ENTRY(cpu_v6_set_pte_ext)
#ifdef CONFIG_MMU
- str r1, [r0], #-2048 @ linux version
-
- bic r3, r1, #0x000003f0
- bic r3, r3, #0x00000003
- orr r3, r3, r2
- orr r3, r3, #PTE_EXT_AP0 | 2
-
- tst r1, #L_PTE_WRITE
- tstne r1, #L_PTE_DIRTY
- orreq r3, r3, #PTE_EXT_APX
-
- tst r1, #L_PTE_USER
- orrne r3, r3, #PTE_EXT_AP1
- tstne r3, #PTE_EXT_APX
- bicne r3, r3, #PTE_EXT_APX | PTE_EXT_AP0
-
- tst r1, #L_PTE_YOUNG
- biceq r3, r3, #PTE_EXT_APX | PTE_EXT_AP_MASK
-
- tst r1, #L_PTE_EXEC
- orreq r3, r3, #PTE_EXT_XN
-
- tst r1, #L_PTE_PRESENT
- moveq r3, #0
-
- str r3, [r0]
- mcr p15, 0, r0, c7, c10, 1 @ flush_pte
+ armv6_set_pte_ext
#endif
mov pc, lr