diff options
| author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2008-09-06 17:19:08 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2008-10-01 16:40:52 +0100 |
| commit | da0916539d20f257dfa46784357300e49d6bfd00 (patch) | |
| tree | e581749819a4a7e5aea471c242a51773a360bd1d /arch/arm/mm/proc-v7.S | |
| parent | 1ad77a876da48331451698cc4172c90ab9b6372f (diff) | |
[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>
Diffstat (limited to 'arch/arm/mm/proc-v7.S')
| -rw-r--r-- | arch/arm/mm/proc-v7.S | 38 |
1 files changed, 1 insertions, 37 deletions
diff --git a/arch/arm/mm/proc-v7.S b/arch/arm/mm/proc-v7.S index b49f9a4c82c..172e2eeb6dd 100644 --- a/arch/arm/mm/proc-v7.S +++ b/arch/arm/mm/proc-v7.S @@ -99,46 +99,10 @@ ENTRY(cpu_v7_switch_mm) * (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_v7_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 |