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| author |   Ard Biesheuvel <ardb@kernel.org> | 2020-04-13 18:21:31 +0200 |
|---|---|---|
| committer | Ard Biesheuvel <ardb@kernel.org> | 2020-05-19 16:56:10 +0200 |
| commit | 691cbe5ba5f77f3759f3491b971a96f9998dcd9d (patch) | |
| tree | 413d8aef5f4ed90e80b1bfba69af3288a1602ece /arch/arm | |
| parent | ARM: 8971/1: replace the sole use of a symbol with its definition (diff) | |
| download | linux-dev-691cbe5ba5f77f3759f3491b971a96f9998dcd9d.tar.xz linux-dev-691cbe5ba5f77f3759f3491b971a96f9998dcd9d.zip | |
ARM: decompressor: move headroom variable out of LC0
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>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Nicolas Pitre <nico@fluxnic.net>
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/boot/compressed/head.S | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/arch/arm/boot/compressed/head.S b/arch/arm/boot/compressed/head.S index cabdd8f4a248..42b8d67beab6 100644 --- a/arch/arm/boot/compressed/head.S +++ b/arch/arm/boot/compressed/head.S @@ -287,7 +287,7 @@ 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 @@ -664,9 +664,11 @@ 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) - . |