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| author | Pali Rohár <pali@kernel.org> | 2022-08-11 22:27:23 +0200 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2022-08-20 16:17:50 -0400 |
| commit | 04bd87c24c31bbd8f27f6d1f7484c9a17f622c9a (patch) | |
| tree | c324e1059f137fe952e2cd139548dc94cc3cea73 | |
| parent | c5be5f6f54893bce9b5f3e8e4b35e38c923fc069 (diff) | |
| download | u-boot-04bd87c24c31bbd8f27f6d1f7484c9a17f622c9a.zip u-boot-04bd87c24c31bbd8f27f6d1f7484c9a17f622c9a.tar.gz u-boot-04bd87c24c31bbd8f27f6d1f7484c9a17f622c9a.tar.bz2 | |
Nokia RX-51: Simplify copy kernel code
Expression (r + (r0 - r1)) produce same result as (r - (r1 - r0)). So it
does not matter which one is called. Always call the first option and
remove second one.
Signed-off-by: Pali Rohár <pali@kernel.org>
| -rw-r--r-- | board/nokia/rx51/lowlevel_init.S | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/board/nokia/rx51/lowlevel_init.S b/board/nokia/rx51/lowlevel_init.S index dd3c830..4f76e80 100644 --- a/board/nokia/rx51/lowlevel_init.S +++ b/board/nokia/rx51/lowlevel_init.S @@ -55,16 +55,13 @@ save_boot_params: copy_kernel_start: adr r0, relocaddr /* r0 - address of section relocaddr */ ldr r1, relocaddr /* r1 - address of relocaddr after relocation */ - cmp r0, r1 /* r4 - calculated offset */ - subhi r4, r0, r1 - sublo r4, r1, r0 + sub r4, r0, r1 /* r0 - start of kernel before */ ldr r0, startaddr - addhi r0, r0, r4 - sublo r0, r0, r4 + add r0, r0, r4 ldr r1, kernoffs add r0, r0, r1 |