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/*
RCC-Project
Copyright (C) 2026 Richard Qin
This file is part of RCC-Project.
RCC-Project is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation; either version 3 of the License, or (at your option) any
later version.
RCC-Project is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with
RCC-Project; see the file COPYING. If not see
<http://www.gnu.org/licenses/>.
*/
#include "bios.h"
extern u8 __bss_start[];
extern u8 __bss_end[];
static void
zero_bytes (volatile u8 *start, volatile u8 *end)
{
volatile u8 *cursor;
for (cursor = start; cursor < end; ++cursor)
{
*cursor = 0;
}
}
void
memory_init (void)
{
zero_bytes ((volatile u8 *)MUBIOS_IVT_BASE,
(volatile u8 *)(MUBIOS_IVT_BASE + MUBIOS_IVT_SIZE));
zero_bytes ((volatile u8 *)MUBIOS_BDA_BASE,
(volatile u8 *)(MUBIOS_BDA_BASE + MUBIOS_BDA_SIZE));
zero_bytes (__bss_start, __bss_end);
}
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