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authorMarcel Ziswiler <marcel.ziswiler@toradex.com>2018-12-12 14:08:45 +0100
committerMarcel Ziswiler <marcel.ziswiler@toradex.com>2018-12-12 14:08:45 +0100
commitcfbbc7703fff59c67761c93a8b1de29a79f9841c (patch)
tree58b4b37bed385b27fc5956435b2451c760f26f5f /arch/arm/boot/compressed
parent5f3fecbc0715a70437501e1d85e74726c4f561be (diff)
parent1aa861ff238ecd17a3095b0dbd2d20bdf7bfaf14 (diff)
Merge tag 'v4.9.144' into 4.9-2.3.x-imx
This is the 4.9.144 stable release
Diffstat (limited to 'arch/arm/boot/compressed')
-rw-r--r--arch/arm/boot/compressed/Makefile2
-rw-r--r--arch/arm/boot/compressed/efi-header.S4
-rw-r--r--arch/arm/boot/compressed/head.S17
3 files changed, 12 insertions, 11 deletions
diff --git a/arch/arm/boot/compressed/Makefile b/arch/arm/boot/compressed/Makefile
index d50430c40045..552c7d7f84ce 100644
--- a/arch/arm/boot/compressed/Makefile
+++ b/arch/arm/boot/compressed/Makefile
@@ -112,7 +112,7 @@ CFLAGS_fdt_ro.o := $(nossp_flags)
CFLAGS_fdt_rw.o := $(nossp_flags)
CFLAGS_fdt_wip.o := $(nossp_flags)
-ccflags-y := -fpic -mno-single-pic-base -fno-builtin -I$(obj)
+ccflags-y := -fpic $(call cc-option,-mno-single-pic-base,) -fno-builtin -I$(obj)
asflags-y := -DZIMAGE
# Supply kernel BSS size to the decompressor via a linker symbol.
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 fc6d541549a2..2d7f2bb0d66a 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