FreeNOS
Memory.cpp
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1 /*
2  * Copyright (C) 2019 Niek Linnenbank
3  *
4  * This program is free software: you can redistribute it and/or modify
5  * it under the terms of the GNU General Public License as published by
6  * the Free Software Foundation, either version 3 of the License, or
7  * (at your option) any later version.
8  *
9  * This program is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12  * GNU General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public License
15  * along with this program. If not, see <http://www.gnu.org/licenses/>.
16  */
17 
18 #include <MemoryBlock.h>
19 #include "Memory.h"
20 
21 void clearBSS()
22 {
23  extern Address __bss_start, __bss_end;
24  const Address bss_size = (&__bss_end - &__bss_start) * sizeof(Address *);
25  MemoryBlock::set(&__bss_start, 0, bss_size);
26 }
MemoryBlock::set
static void * set(void *dest, int ch, unsigned count)
Fill memory with a constant byte.
Definition: MemoryBlock.cpp:25
Address
unsigned long Address
A memory address.
Definition: Types.h:131
MemoryBlock.h
Memory.h
clearBSS
void clearBSS()
Generic function to clear the BSS memory section to zero.
Definition: Memory.cpp:21