xemu/hw/xbox/nv2a/prmvio.c

41 lines
1.3 KiB
C

/*
* QEMU Geforce NV2A implementation
*
* Copyright (c) 2012 espes
* Copyright (c) 2015 Jannik Vogel
* Copyright (c) 2018-2021 Matt Borgerson
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, see <http://www.gnu.org/licenses/>.
*/
#include "nv2a_int.h"
/* PRMVIO - aliases VGA sequencer and graphics controller registers */
uint64_t prmvio_read(void *opaque, hwaddr addr, unsigned int size)
{
NV2AState *d = opaque;
uint64_t r = vga_ioport_read(&d->vga, addr);
nv2a_reg_log_read(NV_PRMVIO, addr, size, r);
return r;
}
void prmvio_write(void *opaque, hwaddr addr, uint64_t val, unsigned int size)
{
NV2AState *d = opaque;
nv2a_reg_log_write(NV_PRMVIO, addr, size, val);
vga_ioport_write(&d->vga, addr, val);
}