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baremetal aarch64: create C version of multicore.S as well

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Attempted to do the same for arm, but it failed.
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Ciro Santilli 六四事件 法轮功
2019-08-21 00:00:00 +00:00
parent 6f88fa17bc
commit f28191a735
21 changed files with 336 additions and 89 deletions
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10
baremetal/lib/arm.S
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@@ -2,6 +2,11 @@
.global lkmc_start
lkmc_start:
/* Make all CPUs except CPU0 sleep by default. */
mrc p15, 0, r0, c0, c0, 5
ands r0, r0, 3
bne lkmc_cpu_not_0
/* Prepare the stack for main, mandatory for C code. */
ldr sp, =stack_top
@@ -28,3 +33,8 @@ lkmc_start:
/* If main returns, exit. */
bl exit
/* Default action for CPUs besides the first one: sleep forever. */
LKMC_WEAK(lkmc_cpu_not_0)
wfe
b lkmc_cpu_not_0