41 lines
617 B
ArmAsm
41 lines
617 B
ArmAsm
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.sect .text; .sect .rom; .sect .data; .sect .bss
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.sect .text
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.define .lar4
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.lar4:
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! ebx, descriptor address
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! eax, index
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pop ecx
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pop edx ! base address
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push ecx
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sub eax,(ebx)
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mov ecx,8(ebx)
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imul ecx
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add edx,eax
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sar ecx,1
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jnb 1f
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xor eax,eax
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movb al,(edx)
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pop ebx
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push eax
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jmp ebx
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1:
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sar ecx,1
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jnb 1f
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xor eax,eax
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o16 mov ax,(edx)
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pop ebx
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push eax
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jmp ebx
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1:
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mov edx,esi ! saved esi
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mov eax,8(ebx)
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pop ebx ! return address
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sub esp,eax
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mov eax,edi ! save edi
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mov edi,esp
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rep movs
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mov edi,eax
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mov esi,edx
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jmp ebx
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