28 lines
400 B
ArmAsm
28 lines
400 B
ArmAsm
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.section .text.boot
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.global __start
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.type __start, %function
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__start:
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//Use core 0 only
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mrs x7, mpidr_el1
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and x7, x7, #3
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cbz x7, __start_master
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0: wfe
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b 0b
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__start_master:
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//Setup stack pointer
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ldr x2, = __stack_start
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mov sp, x2
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//Clear BSS
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ldr w0, = __bss_start
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ldr w1, = __bss_size
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1: cbz x1, 2f
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str xzr, [x0], #8
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sub x1, x1, #1
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cbnz x1, 1b
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2:
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bl kernelmain
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b 0b
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