forked from KolibriOS/kolibrios
55 lines
1.1 KiB
PHP
55 lines
1.1 KiB
PHP
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head dd 1
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node equ ftdi_context
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node.next equ ftdi_context.next_context
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linkedlist:
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.init:
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push eax
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xor eax, eax
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mov [head], eax
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pop eax
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ret
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.add:
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push ebx
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mov ebx, [head]
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mov [head], eax
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mov [eax + node.next], ebx
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pop ebx
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ret
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.delete:
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push ebx ecx
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mov ebx, eax ; eax - pointer to node for delete
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cmp eax, [head]
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jz .unlink_head
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.getnext:
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cmp [ebx+node.next], eax
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jz .unlink
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cmp [ebx+node.next], 0
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jz .invalid_pointer
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mov ebx, [ebx+node.next]
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jmp .getnext
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.unlink:
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mov ecx, [eax+node.next]
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mov [ebx+node.next], ecx
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jmp @f
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.unlink_head:
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mov ebx, [eax+node.next]
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mov [head], ebx
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@@:
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mov ecx, eax
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call Kfree
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.invalid_pointer:
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pop ecx ebx
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ret
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.gethead:
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mov eax, [head]
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ret
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restore node
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restore next
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