xemu/hw/xbox/nv2a/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 Matt Borgerson
*
* 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 or
* (at your option) version 3 of the License.
*
* 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/>.
*/
/* 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);
reg_log_read(NV_PRMVIO, addr, r);
return r;
}
void prmvio_write(void *opaque, hwaddr addr,
uint64_t val, unsigned int size)
{
NV2AState *d = opaque;
reg_log_write(NV_PRMVIO, addr, val);
vga_ioport_write(&d->vga, addr, val);
}