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-rw-r--r--arch/arm/kernel/head.S8
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/arm/kernel/head.S b/arch/arm/kernel/head.S
index 14e277d2ff9..6d579114406 100644
--- a/arch/arm/kernel/head.S
+++ b/arch/arm/kernel/head.S
@@ -99,6 +99,14 @@ ENTRY(stext)
99 THUMB( it eq ) @ force fixup-able long branch encoding 99 THUMB( it eq ) @ force fixup-able long branch encoding
100 beq __error_p @ yes, error 'p' 100 beq __error_p @ yes, error 'p'
101 101
102#ifdef CONFIG_ARM_LPAE
103 mrc p15, 0, r3, c0, c1, 4 @ read ID_MMFR0
104 and r3, r3, #0xf @ extract VMSA support
105 cmp r3, #5 @ long-descriptor translation table format?
106 THUMB( it lo ) @ force fixup-able long branch encoding
107 blo __error_p @ only classic page table format
108#endif
109
102#ifndef CONFIG_XIP_KERNEL 110#ifndef CONFIG_XIP_KERNEL
103 adr r3, 2f 111 adr r3, 2f
104 ldmia r3, {r4, r8} 112 ldmia r3, {r4, r8}