38 lines
403 B
ArmAsm
38 lines
403 B
ArmAsm
#include "sys.h"
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.define _sbrk
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.define _brk
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.extern _end
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.extern _errno
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_sbrk:
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mov 2(sp),0f+2
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beq 1f
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add .limhp,0f+2
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bcs 2f
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sys indir; .data2 0f
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bcc 1f
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2:
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mov r0,_errno
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mov $-1,r0
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rts pc
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1:
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mov .limhp,r0
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add 2(sp),.limhp
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rts pc
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_brk:
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mov 2(sp),0f+2
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sys indir; .data2 0f
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bcc 1f
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mov r0,_errno
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mov $-1,r0
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rts pc
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1:
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mov 2(sp),.limhp
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clr r0
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rts pc
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.sect .data
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0:
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sys break
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.data2 0
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