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| author | Russell King <rmk+kernel@arm.linux.org.uk> | 2011-12-06 20:27:54 +0000 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2011-12-06 20:27:54 +0000 |
| commit | 3ee0fc5ca129cbae81c073756febcb1c552af446 (patch) | |
| tree | 08f061c1ec9e948df760a0746441bec9f290d774 /arch/arm/kernel/head.S | |
| parent | deee6d5359969a0ce4e2760cfd7b9f379bd5698a (diff) | |
| parent | 4e8ee7de227e3ab9a72040b448ad728c5428a042 (diff) | |
Merge branch 'kexec/idmap' of git://git.kernel.org/pub/scm/linux/kernel/git/will/linux into devel-stable
Diffstat (limited to 'arch/arm/kernel/head.S')
| -rw-r--r-- | arch/arm/kernel/head.S | 18 |
1 files changed, 10 insertions, 8 deletions
diff --git a/arch/arm/kernel/head.S b/arch/arm/kernel/head.S index 08c82fd844a..fb2945be5a5 100644 --- a/arch/arm/kernel/head.S +++ b/arch/arm/kernel/head.S @@ -170,11 +170,11 @@ __create_page_tables: * Create identity mapping to cater for __enable_mmu. * This identity mapping will be removed by paging_init(). */ - adr r0, __enable_mmu_loc + adr r0, __turn_mmu_on_loc ldmia r0, {r3, r5, r6} sub r0, r0, r3 @ virt->phys offset - add r5, r5, r0 @ phys __enable_mmu - add r6, r6, r0 @ phys __enable_mmu_end + add r5, r5, r0 @ phys __turn_mmu_on + add r6, r6, r0 @ phys __turn_mmu_on_end mov r5, r5, lsr #SECTION_SHIFT mov r6, r6, lsr #SECTION_SHIFT @@ -287,10 +287,10 @@ __create_page_tables: ENDPROC(__create_page_tables) .ltorg .align -__enable_mmu_loc: +__turn_mmu_on_loc: .long . - .long __enable_mmu - .long __enable_mmu_end + .long __turn_mmu_on + .long __turn_mmu_on_end #if defined(CONFIG_SMP) __CPUINIT @@ -398,15 +398,17 @@ ENDPROC(__enable_mmu) * other registers depend on the function called upon completion */ .align 5 -__turn_mmu_on: + .pushsection .idmap.text, "ax" +ENTRY(__turn_mmu_on) mov r0, r0 mcr p15, 0, r0, c1, c0, 0 @ write control reg mrc p15, 0, r3, c0, c0, 0 @ read id reg mov r3, r3 mov r3, r13 mov pc, r3 -__enable_mmu_end: +__turn_mmu_on_end: ENDPROC(__turn_mmu_on) + .popsection #ifdef CONFIG_SMP_ON_UP |