Wolfvak 30f0b004c2 fixed screen init, hopefully the last commmit
- properly performs gpu/backlight reset

- nukes vram so the initrd had to be moved to arm9 memory, and have its size (at least temporarily) limited to 256k
2020-07-18 20:25:34 -03:00

38 lines
1.1 KiB
C
Executable File

/*
* This file is part of GodMode9
* Copyright (C) 2019 Wolfvak
*
* This program 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 2 of the License, or
* (at your option) any later version.
*
* This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
*/
// super simple watermark allocator for ARM9 <-> ARM11 xfers
// designed to be request once, free never
#include "system/xalloc.h"
static char ALIGN(4096) xalloc_buf[XALLOC_BUF_SIZE];
static size_t mark = 0;
void *XAlloc(size_t size)
{ // not thread-safe at all
void *ret;
size_t end = size + mark;
if (end >= XALLOC_BUF_SIZE)
return NULL;
ret = &xalloc_buf[mark];
mark = end;
return ret;
}