mirror of
https://github.com/switchbrew/libnx.git
synced 2025-06-21 12:32:40 +02:00
42 lines
795 B
ArmAsm
42 lines
795 B
ArmAsm
.section ".crt0","ax"
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.global _start
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_start:
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bl startup
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.ascii "HOMEBREW"
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startup:
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// get aslr base
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sub x28, x30, #4
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// clear .bss
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adrp x0, __bss_start__
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adrp x1, __bss_end__
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add x0, x0, #:lo12:__bss_start__
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add x1, x1, #:lo12:__bss_end__
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sub x1, x1, x0 // calculate size
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add x1, x1, #7 // round up to 8
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bic x1, x1, #7
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bss_loop:
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str xzr, [x0], #8
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subs x1, x1, #8
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bne bss_loop
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// process .dynamic section
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mov x0, x28
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adrp x1, _DYNAMIC
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add x1, x1, #:lo12:_DYNAMIC
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bl __nx_dynamic
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// initialize system
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mov x0, x28
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bl __libnx_init
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// call entrypoint
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mov x0, #0 // argc
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mov x1, #0 // argv
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adrp x30, __libnx_exit
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add x30, x30, #:lo12:__libnx_exit
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b main
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