Fix secondary stacks calculation on ARM64
Secondary stack calculation is modified to provide stack_top = secondary_stacks + (cpu_id) * PAGE_SIZE * KSTACK_PAGES because on ARM64 the stack grows to lower memory addresses. Obtained from: Semihalf Sponsored by: The FreeBSD Foundation Differential Revision: https://reviews.freebsd.org/D3107
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svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=285654
@ -179,8 +179,7 @@ ENTRY(mpentry)
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mp_virtdone:
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ldr x4, =secondary_stacks
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mov x5, #(PAGE_SIZE * KSTACK_PAGES)
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sub x1, x0, #1
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mul x5, x1, x5
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mul x5, x0, x5
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add sp, x4, x5
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b init_secondary
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