diff mbox series

[1/5] ARM: decompressor: move headroom variable out of LC0

Message ID 20200327105906.2665-2-ardb@kernel.org
State New
Headers show
Series [1/5] ARM: decompressor: move headroom variable out of LC0 | expand

Commit Message

Ard Biesheuvel March 27, 2020, 10:59 a.m. UTC
Before breaking up LC0 into different pieces, move out the variable
that is already place relative (given that it subtracts 'restart' in
the expression) and so its value does not need to be added to the
runtime address of the LC0 symbol itself.

Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
---
 arch/arm/boot/compressed/head.S | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/arch/arm/boot/compressed/head.S b/arch/arm/boot/compressed/head.S
index 2d2a42865b39..bb674febf640 100644
--- a/arch/arm/boot/compressed/head.S
+++ b/arch/arm/boot/compressed/head.S
@@ -339,7 +339,7 @@  not_angel:
 		 */
 		mov	r0, pc
 		cmp	r0, r4
-		ldrcc	r0, LC0+28
+		ldrcc	r0, .Lheadroom
 		addcc	r0, r0, pc
 		cmpcc	r4, r0
 		orrcc	r4, r4, #1		@ remember we skipped cache_on
@@ -716,9 +716,11 @@  LC0:		.word	LC0			@ r1
 		.word	_got_start		@ r11
 		.word	_got_end		@ ip
 		.word	.L_user_stack_end	@ sp
-		.word	_end - restart + 16384 + 1024*1024
 		.size	LC0, . - LC0
 
+.Lheadroom:
+		.word	_end - restart + 16384 + 1024*1024
+
 .Linflated_image_size_offset:
 		.long	(input_data_end - 4) - .