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-rw-r--r--arch/arm/mm/proc-arm1022.S26
1 files changed, 2 insertions, 24 deletions
diff --git a/arch/arm/mm/proc-arm1022.S b/arch/arm/mm/proc-arm1022.S
index 2a4ea1659e96..2cd03e66c0a3 100644
--- a/arch/arm/mm/proc-arm1022.S
+++ b/arch/arm/mm/proc-arm1022.S
@@ -18,7 +18,7 @@
18#include <linux/init.h> 18#include <linux/init.h>
19#include <asm/assembler.h> 19#include <asm/assembler.h>
20#include <asm/asm-offsets.h> 20#include <asm/asm-offsets.h>
21#include <asm/elf.h> 21#include <asm/hwcap.h>
22#include <asm/pgtable-hwdef.h> 22#include <asm/pgtable-hwdef.h>
23#include <asm/pgtable.h> 23#include <asm/pgtable.h>
24#include <asm/ptrace.h> 24#include <asm/ptrace.h>
@@ -365,29 +365,7 @@ ENTRY(cpu_arm1022_switch_mm)
365 .align 5 365 .align 5
366ENTRY(cpu_arm1022_set_pte_ext) 366ENTRY(cpu_arm1022_set_pte_ext)
367#ifdef CONFIG_MMU 367#ifdef CONFIG_MMU
368 str r1, [r0], #-2048 @ linux version 368 armv3_set_pte_ext
369
370 eor r1, r1, #L_PTE_PRESENT | L_PTE_YOUNG | L_PTE_WRITE | L_PTE_DIRTY
371
372 bic r2, r1, #PTE_SMALL_AP_MASK
373 bic r2, r2, #PTE_TYPE_MASK
374 orr r2, r2, #PTE_TYPE_SMALL
375
376 tst r1, #L_PTE_USER @ User?
377 orrne r2, r2, #PTE_SMALL_AP_URO_SRW
378
379 tst r1, #L_PTE_WRITE | L_PTE_DIRTY @ Write and Dirty?
380 orreq r2, r2, #PTE_SMALL_AP_UNO_SRW
381
382 tst r1, #L_PTE_PRESENT | L_PTE_YOUNG @ Present and Young?
383 movne r2, #0
384
385#ifdef CONFIG_CPU_DCACHE_WRITETHROUGH
386 eor r3, r1, #0x0a @ C & small page?
387 tst r3, #0x0b
388 biceq r2, r2, #4
389#endif
390 str r2, [r0] @ hardware version
391 mov r0, r0 369 mov r0, r0
392#ifndef CONFIG_CPU_DCACHE_DISABLE 370#ifndef CONFIG_CPU_DCACHE_DISABLE
393 mcr p15, 0, r0, c7, c10, 1 @ clean D entry 371 mcr p15, 0, r0, c7, c10, 1 @ clean D entry