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author | Linus Torvalds <torvalds@linux-foundation.org> | 2017-06-05 20:19:40 +0200 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2017-06-05 20:19:40 +0200 |
commit | 112eb07287d10bef6ec74e36f1ffd24f19bdd0a0 (patch) | |
tree | e63ffa5c2a851b849dbcbd144226ad5fd10e949f /arch/arm/boot | |
parent | Linux 4.12-rc4 (diff) | |
parent | ARM: 8677/1: boot/compressed: fix decompressor header layout for v7-M (diff) | |
download | linux-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.S | 4 | ||||
-rw-r--r-- | arch/arm/boot/compressed/head.S | 17 |
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 |