4b508cecc9
It's non ideal, since there's no relaxation done in the linker so we have to assume the branch target is > 16 bits away and do what the compiler usually does and emit a full 32bit jsr.
34 lines
566 B
ArmAsm
34 lines
566 B
ArmAsm
/*
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* Copyright (c) 2021 Travis Geiselbrecht
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*
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* Use of this source code is governed by a MIT-style
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* license that can be found in the LICENSE file or at
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* https://opensource.org/licenses/MIT
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*/
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#include <lk/asm.h>
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.section .text.boot
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FUNCTION(_start)
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// clear bss
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lea __bss_start,%a0
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cmpal #_end,%a0
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beqs 1f
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0:
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clrb %a0@+
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cmpal #_end,%a0
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bnes 0b
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1:
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movel #_default_stack_top,%sp
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jsr lk_main
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jmp .
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END_FUNCTION(_start)
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.bss
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.align 8
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_default_stack_base:
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.skip 4096
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_default_stack_top:
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