35 lines
1.1 KiB
C
35 lines
1.1 KiB
C
/* Copyright (C) 2020 deesix <deesix@tuta.io>
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* This file is part of M2-Planet.
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*
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* M2-Planet is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* M2-Planet is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with M2-Planet. If not, see <http://www.gnu.org/licenses/>.
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*/
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// CONSTANT NULL 0
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void* malloc(int size)
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{
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asm("SET_X0_FROM_BP" "SUB_X0_8" "DEREF_X0"
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"SET_X1_FROM_X0"
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"SET_X0_TO_0" "SET_X8_TO_SYS_BRK" "SYSCALL"
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"PUSH_X0"
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"ADD_X0_X1_X0"
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"PUSH_X0"
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"SYSCALL"
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"POP_X1"
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/* TODO: Compare obtained with requested, as error checking. */
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"POP_X0"
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/* TODO: Override to return error if detected by the compare. */
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);
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}
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