summaryrefslogtreecommitdiffstats
path: root/arch/arm/boot
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2017-06-05 20:19:40 +0200
committerLinus Torvalds <torvalds@linux-foundation.org>2017-06-05 20:19:40 +0200
commit112eb07287d10bef6ec74e36f1ffd24f19bdd0a0 (patch)
treee63ffa5c2a851b849dbcbd144226ad5fd10e949f /arch/arm/boot
parentLinux 4.12-rc4 (diff)
parentARM: 8677/1: boot/compressed: fix decompressor header layout for v7-M (diff)
downloadlinux-112eb07287d10bef6ec74e36f1ffd24f19bdd0a0.tar.xz
linux-112eb07287d10bef6ec74e36f1ffd24f19bdd0a0.zip
Merge branch 'fixes' of git://git.armlinux.org.uk/~rmk/linux-arm
Pull ARM fixes from Russell King: "Three fixes this time around: - Two fixes for noMMU, fixing the decompressor header layout, and preventing a build error with some configurations. - Fixing the hyp-stub updates that went in during the merge window for platforms that use MCPM" * 'fixes' of git://git.armlinux.org.uk/~rmk/linux-arm: ARM: 8677/1: boot/compressed: fix decompressor header layout for v7-M ARM: 8676/1: NOMMU: provide pgprot_device() macro ARM: 8675/1: MCPM: ensure not to enter __hyp_soft_restart from loopback and cpu_power_down
Diffstat (limited to 'arch/arm/boot')
-rw-r--r--arch/arm/boot/compressed/efi-header.S4
-rw-r--r--arch/arm/boot/compressed/head.S17
2 files changed, 11 insertions, 10 deletions
diff --git a/arch/arm/boot/compressed/efi-header.S b/arch/arm/boot/compressed/efi-header.S
index 9d5dc4fda3c1..3f7d1b74c5e0 100644
--- a/arch/arm/boot/compressed/efi-header.S
+++ b/arch/arm/boot/compressed/efi-header.S
@@ -17,14 +17,12 @@
@ there.
.inst 'M' | ('Z' << 8) | (0x1310 << 16) @ tstne r0, #0x4d000
#else
- mov r0, r0
+ W(mov) r0, r0
#endif
.endm
.macro __EFI_HEADER
#ifdef CONFIG_EFI_STUB
- b __efi_start
-
.set start_offset, __efi_start - start
.org start + 0x3c
@
diff --git a/arch/arm/boot/compressed/head.S b/arch/arm/boot/compressed/head.S
index 7c711ba61417..8a756870c238 100644
--- a/arch/arm/boot/compressed/head.S
+++ b/arch/arm/boot/compressed/head.S
@@ -130,19 +130,22 @@ start:
.rept 7
__nop
.endr
- ARM( mov r0, r0 )
- ARM( b 1f )
- THUMB( badr r12, 1f )
- THUMB( bx r12 )
+#ifndef CONFIG_THUMB2_KERNEL
+ mov r0, r0
+#else
+ AR_CLASS( sub pc, pc, #3 ) @ A/R: switch to Thumb2 mode
+ M_CLASS( nop.w ) @ M: already in Thumb2 mode
+ .thumb
+#endif
+ W(b) 1f
.word _magic_sig @ Magic numbers to help the loader
.word _magic_start @ absolute load/run zImage address
.word _magic_end @ zImage end address
.word 0x04030201 @ endianness flag
- THUMB( .thumb )
-1: __EFI_HEADER
-
+ __EFI_HEADER
+1:
ARM_BE8( setend be ) @ go BE8 if compiled for BE8
AR_CLASS( mrs r9, cpsr )
#ifdef CONFIG_ARM_VIRT_EXT