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powerpc/boot: Fix crt0.S current address branch form 

Use the preferred form of branch-and-link for finding the current
address so objtool doesn't think it is an unannotated intra-function
call.

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20230407040924.231023-1-npiggin@gmail.com
This commit is contained in:
Nicholas Piggin 2023-04-07 14:09:24 +10:00 committed by Michael Ellerman
parent 8002725b9e
commit cd99dac6ec
1 changed files with 2 additions and 2 deletions
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4
arch/powerpc/boot/crt0.S
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@ -51,7 +51,7 @@ _zimage_start:
_zimage_start_lib:
/* Work out the offset between the address we were linked at
and the address where we're running. */
bl .+4
bcl 20,31,.+4
p_base: mflr r10 /* r10 now points to runtime addr of p_base */
#ifndef __powerpc64__
/* grab the link address of the dynamic section in r11 */
@ -274,7 +274,7 @@ prom:
mtsrr1 r10
/* Load FW address, set LR to label 1, and jump to FW */
bl 0f
bcl 20,31,0f
0: mflr r10
addi r11,r10,(1f-0b)
mtlr r11