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Patch from Richard Earnshaw <Richard.Earnshaw@arm.com>

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* aarch64/cpu-init/rdimon-aem-el3.S (cpu_init_hook): Simplify
  entry/exit sequences.  Add CFI unwind rules.
This commit is contained in:
Jeff Johnston 2018-08-01 13:58:10 -04:00
parent 6158b30e3e
commit 2ec54fb1d1
1 changed files with 8 additions and 4 deletions
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12
libgloss/aarch64/cpu-init/rdimon-aem-el3.S
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@ -157,12 +157,16 @@ ttb:
.align 2 .align 2
.global FUNCTION (_cpu_init_hook) .global FUNCTION (_cpu_init_hook)
.type FUNCTION (_cpu_init_hook), %function .type FUNCTION (_cpu_init_hook), %function
.cfi_sections .debug_frame
FUNCTION (_cpu_init_hook): FUNCTION (_cpu_init_hook):
sub sp, sp, #16 .cfi_startproc
str x30, [sp, xzr] str x30, [sp, -16]!
.cfi_def_cfa_offset 16
.cfi_offset 30, -16
bl _init_vectors bl _init_vectors
bl _flat_map bl _flat_map
ldr x30, [sp, xzr] ldr x30, [sp], 16
add sp, sp, #16 .cfi_restore 30
ret ret
.cfi_endproc
.size FUNCTION (_cpu_init_hook), .-FUNCTION (_cpu_init_hook) .size FUNCTION (_cpu_init_hook), .-FUNCTION (_cpu_init_hook)