35 lines
475 B
ArmAsm
35 lines
475 B
ArmAsm
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.globl _sbrk
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.globl __sbrk
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_sbrk:
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__sbrk:
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mov.w tptr,r0
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test.w [ap]
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je justreport
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add.w r0,[ap]
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push [ap]
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mov.w ap,r3
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mov.w sp,ap
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chlvl #0x0,#0x11
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jnl ok
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add.w #0x4,sp
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jmp cerror
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ok: add.w #0x4,sp
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mov.w tptr,r0
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mov.w [r3],tptr
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justreport:
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ret #0x0
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.globl _brk
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.globl __brk
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__brk:
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_brk: chlvl #0x0,#0x11
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jnl ok1
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jmp cerror
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ok1: mov.w [ap],63
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xor.w r0,r0
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ret #0x0
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.data
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tptr: .word _end
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