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Bochs/bochs/iodev/display/voodoo.cc
Volker Ruppert 1b8c58ed58 Some work on the Voodoo Banshee emulation. 
- tile-based VBE graphics updates implemented
- "half mode" support added (line doubling for low resultions)
- change screen resolution only after re-enabling the video processor
2017-10-22 12:16:20 +00:00

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/////////////////////////////////////////////////////////////////////////
// $Id$
/////////////////////////////////////////////////////////////////////////
//
// Copyright (C) 2012-2017 The Bochs Project
//
// 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, write to the Free Software
// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
/////////////////////////////////////////////////////////////////////////
/*
* Portion of this software comes with the following license
*/
/***************************************************************************
Copyright Aaron Giles
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in
the documentation and/or other materials provided with the
distribution.
* Neither the name 'MAME' nor the names of its contributors may be
used to endorse or promote products derived from this software
without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY AARON GILES ''AS IS'' AND ANY EXPRESS OR
IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL AARON GILES BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
POSSIBILITY OF SUCH DAMAGE.
***************************************************************************/
// 3dfx Voodoo Graphics (SST-1/2) emulation (based on a patch for DOSBox)
// Define BX_PLUGGABLE in files that can be compiled into plugins. For
// platforms that require a special tag on exported symbols, BX_PLUGGABLE
// is used to know when we are exporting symbols and when we are importing.
#define BX_PLUGGABLE
#include "iodev.h"
#if BX_SUPPORT_PCI && BX_SUPPORT_VOODOO
#include "pci.h"
#include "vgacore.h"
#include "voodoo.h"
#include "virt_timer.h"
#include "bxthread.h"
#define LOG_THIS theVoodooDevice->
const Bit8u banshee_iomask[256] = {4,0,0,0,7,1,3,1,7,1,3,1,7,1,3,1,7,1,3,1,
7,1,3,1,7,1,3,1,7,1,3,1,7,1,3,1,7,1,3,1,
7,1,3,1,7,1,3,1,7,1,3,1,7,1,3,1,7,1,3,1,
7,1,3,1,7,1,3,1,7,1,3,1,7,1,3,1,7,1,3,1,
7,1,3,1,7,1,3,1,7,1,3,1,7,1,3,1,7,1,3,1,
7,1,3,1,7,1,3,1,7,1,3,1,7,1,3,1,7,1,3,1,
7,1,3,1,7,1,3,1,7,1,3,1,7,1,3,1,7,1,3,1,
7,1,3,1,7,1,3,1,7,1,3,1,7,1,3,1,7,1,3,1,
7,1,3,1,7,1,3,1,7,1,3,1,7,1,3,1,7,1,3,1,
7,1,3,1,7,1,3,1,7,1,3,1,7,1,3,1,7,1,3,1,
7,1,3,1,7,1,3,1,7,1,3,1,7,1,3,1,7,1,3,1,
7,1,3,1,7,1,3,1,7,1,3,1,7,1,3,1,7,1,3,1,
7,1,3,1,7,1,3,1,7,1,3,1,7,1,3,1};
bx_voodoo_c* theVoodooDevice = NULL;
bx_voodoo_vga_c* theVoodooVga = NULL;
#include "voodoo_types.h"
#include "voodoo_data.h"
#include "voodoo_main.h"
voodoo_state *v;
#include "voodoo_func.h"
// builtin configuration handling functions
void voodoo_init_options(void)
{
static const char *voodoo_model_list[] = {
"voodoo1",
"voodoo2",
"banshee",
NULL
};
bx_param_c *display = SIM->get_param("display");
bx_list_c *menu = new bx_list_c(display, "voodoo", "Voodoo Graphics");
menu->set_options(menu->SHOW_PARENT);
bx_param_bool_c *enabled = new bx_param_bool_c(menu,
"enabled",
"Enable Voodoo Graphics emulation",
"Enables the 3dfx Voodoo Graphics emulation",
1);
new bx_param_enum_c(menu,
"model",
"Voodoo model",
"Selects the Voodoo model to emulate.",
voodoo_model_list,
VOODOO_1, VOODOO_1);
enabled->set_dependent_list(menu->clone());
}
Bit32s voodoo_options_parser(const char *context, int num_params, char *params[])
{
if (!strcmp(params[0], "voodoo")) {
bx_list_c *base = (bx_list_c*) SIM->get_param(BXPN_VOODOO);
for (int i = 1; i < num_params; i++) {
if (SIM->parse_param_from_list(context, params[i], base) < 0) {
BX_ERROR(("%s: unknown parameter for voodoo ignored.", context));
}
}
} else {
BX_PANIC(("%s: unknown directive '%s'", context, params[0]));
}
return 0;
}
Bit32s voodoo_options_save(FILE *fp)
{
return SIM->write_param_list(fp, (bx_list_c*) SIM->get_param(BXPN_VOODOO), NULL, 0);
}
// device plugin entry points
int CDECL libvoodoo_LTX_plugin_init(plugin_t *plugin, plugintype_t type)
{
theVoodooDevice = new bx_voodoo_c();
if (type == PLUGTYPE_VGA) {
theVoodooVga = new bx_voodoo_vga_c();
bx_devices.pluginVgaDevice = theVoodooVga;
BX_REGISTER_DEVICE_DEVMODEL(plugin, type, theVoodooVga, BX_PLUGIN_VOODOO);
} else {
BX_REGISTER_DEVICE_DEVMODEL(plugin, type, theVoodooDevice, BX_PLUGIN_VOODOO);
}
// add new configuration parameter for the config interface
voodoo_init_options();
// register add-on option for bochsrc and command line
SIM->register_addon_option("voodoo", voodoo_options_parser, voodoo_options_save);
return 0; // Success
}
void CDECL libvoodoo_LTX_plugin_fini(void)
{
SIM->unregister_addon_option("voodoo");
bx_list_c *menu = (bx_list_c*)SIM->get_param("display");
menu->remove("voodoo");
if (theVoodooVga != NULL) {
delete theVoodooVga;
}
delete theVoodooDevice;
}
// FIFO thread
BX_THREAD_FUNC(fifo_thread, indata)
{
Bit32u type, offset = 0, data = 0, regnum;
fifo_state *fifo;
UNUSED(indata);
while (1) {
if (bx_wait_for_event(&fifo_wakeup)) {
BX_LOCK(fifo_mutex);
while (1) {
if (!fifo_empty(&v->fbi.fifo)) {
fifo = &v->fbi.fifo;
} else if (!fifo_empty(&v->pci.fifo)) {
fifo = &v->pci.fifo;
} else {
break;
}
type = fifo_remove(fifo, &offset, &data);
BX_UNLOCK(fifo_mutex);
switch (type) {
case FIFO_WR_REG:
if ((offset & 0x800c0) == 0x80000 && v->alt_regmap)
regnum = register_alias_map[offset & 0x3f];
else
regnum = offset & 0xff;
register_w(offset, data, 0);
if ((regnum == triangleCMD) || (regnum == ftriangleCMD) || (regnum == nopCMD) ||
(regnum == fastfillCMD) || (regnum == swapbufferCMD)) {
BX_LOCK(fifo_mutex);
v->pci.op_pending--;
BX_UNLOCK(fifo_mutex);
}
break;
case FIFO_WR_TEX:
texture_w(offset, data);
break;
case FIFO_WR_FBI_32:
lfb_w(offset, data, 0xffffffff);
break;
case FIFO_WR_FBI_16L:
lfb_w(offset, data, 0x0000ffff);
break;
case FIFO_WR_FBI_16H:
lfb_w(offset, data, 0xffff0000);
break;
}
BX_LOCK(fifo_mutex);
}
v->pci.op_pending = 0;
BX_UNLOCK(fifo_mutex);
if (v->fbi.cmdfifo[0].enabled) {
BX_LOCK(cmdfifo_mutex);
while (v->fbi.cmdfifo[0].cmd_ready) {
cmdfifo_process();
}
BX_UNLOCK(cmdfifo_mutex);
}
}
}
BX_THREAD_EXIT;
}
// the device object
bx_voodoo_c::bx_voodoo_c()
{
put("VOODOO");
s.mode_change_timer_id = BX_NULL_TIMER_HANDLE;
s.vertical_timer_id = BX_NULL_TIMER_HANDLE;
v = NULL;
}
bx_voodoo_c::~bx_voodoo_c()
{
BX_THREAD_KILL(fifo_thread_var);
BX_FINI_MUTEX(fifo_mutex);
if (BX_VOODOO_THIS s.model == VOODOO_2) {
BX_FINI_MUTEX(cmdfifo_mutex);
}
bx_destroy_event(&fifo_wakeup);
bx_destroy_event(&fifo_not_full);
if (v != NULL) {
free(v->fbi.ram);
if (BX_VOODOO_THIS s.model < VOODOO_BANSHEE) {
free(v->tmu[0].ram);
free(v->tmu[1].ram);
}
delete v;
}
BX_DEBUG(("Exit"));
}
void bx_voodoo_c::init(void)
{
// Read in values from config interface
bx_list_c *base = (bx_list_c*) SIM->get_param(BXPN_VOODOO);
// Check if the device is disabled or not configured
if (!SIM->get_param_bool("enabled", base)->get()) {
BX_INFO(("Voodoo disabled"));
// mark unused plugin for removal
((bx_param_bool_c*)((bx_list_c*)SIM->get_param(BXPN_PLUGIN_CTRL))->get_by_name("voodoo"))->set(0);
return;
}
BX_VOODOO_THIS s.model = (Bit8u)SIM->get_param_enum("model", base)->get();
BX_VOODOO_THIS s.devfunc = 0x00;
if (BX_VOODOO_THIS s.model != VOODOO_BANSHEE) {
DEV_register_pci_handlers(this, &BX_VOODOO_THIS s.devfunc, BX_PLUGIN_VOODOO,
"Experimental 3dfx Voodoo Graphics (SST-1/2)");
if (BX_VOODOO_THIS s.model == VOODOO_1) {
init_pci_conf(0x121a, 0x0001, 0x02, 0x000000, 0x00);
} else if (BX_VOODOO_THIS s.model == VOODOO_2) {
init_pci_conf(0x121a, 0x0002, 0x02, 0x038000, 0x00);
BX_VOODOO_THIS pci_conf[0x10] = 0x08;
}
BX_VOODOO_THIS pci_conf[0x3d] = BX_PCI_INTA;
BX_VOODOO_THIS pci_base_address[0] = 0;
} else {
if (theVoodooVga == NULL) {
BX_PANIC(("Voodoo Banshee with VGA disabled not supported yet"));
}
DEV_register_pci_handlers(this, &BX_VOODOO_THIS s.devfunc, BX_PLUGIN_VOODOO,
"Experimental 3dfx Voodoo Banshee");
init_pci_conf(0x121a, 0x0003, 0x01, 0x030000, 0x00);
BX_VOODOO_THIS pci_conf[0x14] = 0x08;
BX_VOODOO_THIS pci_conf[0x18] = 0x01;
BX_VOODOO_THIS pci_conf[0x3d] = BX_PCI_INTA;
BX_VOODOO_THIS pci_base_address[0] = 0;
BX_VOODOO_THIS pci_base_address[1] = 0;
BX_VOODOO_THIS pci_base_address[2] = 0;
BX_VOODOO_THIS pci_rom_address = 0;
BX_VOODOO_THIS load_pci_rom(SIM->get_param_string(BXPN_VGA_ROM_PATH)->getptr());
}
if (BX_VOODOO_THIS s.mode_change_timer_id == BX_NULL_TIMER_HANDLE) {
BX_VOODOO_THIS s.mode_change_timer_id = bx_virt_timer.register_timer(this, mode_change_timer_handler,
1000, 0, 0, 0, "voodoo_mode_change");
}
if (BX_VOODOO_THIS s.vertical_timer_id == BX_NULL_TIMER_HANDLE) {
BX_VOODOO_THIS s.vertical_timer_id = bx_virt_timer.register_timer(this, vertical_timer_handler,
50000, 1, 0, 0, "vertical_timer");
}
BX_VOODOO_THIS s.vdraw.clock_enabled = 1;
BX_VOODOO_THIS s.vdraw.output_on = 0;
BX_VOODOO_THIS s.vdraw.override_on = 0;
BX_VOODOO_THIS s.vdraw.screen_update_pending = 0;
BX_VOODOO_THIS s.vdraw.gui_update_pending = 0;
v = new voodoo_state;
memset(v, 0, sizeof(voodoo_state));
BX_INIT_MUTEX(fifo_mutex);
if (BX_VOODOO_THIS s.model >= VOODOO_2) {
v->fbi.cmdfifo[0].depth_needed = BX_MAX_BIT32U;
BX_INIT_MUTEX(cmdfifo_mutex);
}
voodoo_init(BX_VOODOO_THIS s.model);
bx_create_event(&fifo_wakeup);
bx_create_event(&fifo_not_full);
bx_set_event(&fifo_not_full);
BX_THREAD_CREATE(fifo_thread, this, fifo_thread_var);
BX_INFO(("3dfx Voodoo Graphics adapter (model=%s) initialized",
SIM->get_param_enum("model", base)->get_selected()));
}
void bx_voodoo_c::reset(unsigned type)
{
unsigned i;
static const struct reset_vals_t {
unsigned addr;
unsigned char val;
} reset_vals[] = {
{ 0x04, 0x00 }, { 0x05, 0x00 }, // command io / memory
{ 0x06, 0x00 }, { 0x07, 0x00 }, // status
// address space 0x10 - 0x13
{ 0x11, 0x00 },
{ 0x12, 0x00 }, { 0x13, 0x00 },
{ 0x3c, 0x00 }, // IRQ
// initEnable
{ 0x40, 0x00 }, { 0x41, 0x00 },
{ 0x42, 0x00 }, { 0x43, 0x00 },
// busSnoop0
{ 0x44, 0x00 }, { 0x45, 0x00 },
{ 0x46, 0x00 }, { 0x47, 0x00 },
// busSnoop1
{ 0x48, 0x00 }, { 0x49, 0x00 },
{ 0x4a, 0x00 }, { 0x4b, 0x00 },
};
if (BX_VOODOO_THIS s.model != VOODOO_BANSHEE) {
for (i = 0; i < sizeof(reset_vals) / sizeof(*reset_vals); ++i) {
BX_VOODOO_THIS pci_conf[reset_vals[i].addr] = reset_vals[i].val;
}
if (BX_VOODOO_THIS s.model == VOODOO_2) {
BX_VOODOO_THIS pci_conf[0x41] = 0x50;
v->pci.init_enable = 0x5000;
} else {
v->pci.init_enable = 0x0000;
}
} else {
// TODO
}
if ((!BX_VOODOO_THIS s.vdraw.clock_enabled || !BX_VOODOO_THIS s.vdraw.output_on) && BX_VOODOO_THIS s.vdraw.override_on) {
mode_change_timer_handler(NULL);
}
// Deassert IRQ
set_irq_level(0);
}
void bx_voodoo_c::register_state(void)
{
char name[8];
int i, j, k;
bx_list_c *list = new bx_list_c(SIM->get_bochs_root(), "voodoo", "Voodoo State");
bx_list_c *vstate = new bx_list_c(list, "vstate", "Voodoo Device State");
new bx_shadow_data_c(vstate, "reg", (Bit8u*)v->reg, sizeof(v->reg));
new bx_shadow_num_c(vstate, "alt_regmap", &v->alt_regmap);
new bx_shadow_num_c(vstate, "pci_init_enable", &v->pci.init_enable, BASE_HEX);
bx_list_c *dac = new bx_list_c(vstate, "dac", "DAC");
for (i = 0; i < 8; i++) {
sprintf(name, "reg%d", i);
new bx_shadow_num_c(dac, name, &v->dac.reg[i], BASE_HEX);
}
new bx_shadow_num_c(dac, "read_result", &v->dac.read_result, BASE_HEX);
new bx_shadow_num_c(dac, "clk0_freq", &v->dac.clk0_freq);
bx_list_c *fbi = new bx_list_c(vstate, "fbi", "framebuffer");
new bx_shadow_data_c(fbi, "ram", v->fbi.ram, (4 << 20));
new bx_shadow_num_c(fbi, "rgboffs0", &v->fbi.rgboffs[0], BASE_HEX);
new bx_shadow_num_c(fbi, "rgboffs1", &v->fbi.rgboffs[1], BASE_HEX);
new bx_shadow_num_c(fbi, "rgboffs2", &v->fbi.rgboffs[2], BASE_HEX);
new bx_shadow_num_c(fbi, "auxoffs", &v->fbi.auxoffs, BASE_HEX);
new bx_shadow_num_c(fbi, "frontbuf", &v->fbi.frontbuf);
new bx_shadow_num_c(fbi, "backbuf", &v->fbi.backbuf);
new bx_shadow_num_c(fbi, "swaps_pending", &v->fbi.swaps_pending);
new bx_shadow_num_c(fbi, "yorigin", &v->fbi.yorigin);
new bx_shadow_num_c(fbi, "width", &v->fbi.width);
new bx_shadow_num_c(fbi, "height", &v->fbi.height);
new bx_shadow_num_c(fbi, "rowpixels", &v->fbi.rowpixels);
new bx_shadow_num_c(fbi, "vblank", &v->fbi.vblank);
new bx_shadow_num_c(fbi, "vblank_count", &v->fbi.vblank_count);
new bx_shadow_bool_c(fbi, "vblank_swap_pending", &v->fbi.vblank_swap_pending);
new bx_shadow_num_c(fbi, "vblank_swap", &v->fbi.vblank_swap);
new bx_shadow_num_c(fbi, "vblank_dont_swap", &v->fbi.vblank_dont_swap);
new bx_shadow_bool_c(fbi, "cheating_allowed", &v->fbi.cheating_allowed);
new bx_shadow_num_c(fbi, "sign", &v->fbi.sign);
new bx_shadow_num_c(fbi, "ax", &v->fbi.ax);
new bx_shadow_num_c(fbi, "ay", &v->fbi.ay);
new bx_shadow_num_c(fbi, "bx", &v->fbi.bx);
new bx_shadow_num_c(fbi, "by", &v->fbi.by);
new bx_shadow_num_c(fbi, "cx", &v->fbi.cx);
new bx_shadow_num_c(fbi, "cy", &v->fbi.cy);
new bx_shadow_num_c(fbi, "startr", &v->fbi.startr);
new bx_shadow_num_c(fbi, "startg", &v->fbi.startg);
new bx_shadow_num_c(fbi, "startb", &v->fbi.startb);
new bx_shadow_num_c(fbi, "starta", &v->fbi.starta);
new bx_shadow_num_c(fbi, "startz", &v->fbi.startz);
new bx_shadow_num_c(fbi, "startw", &v->fbi.startw);
new bx_shadow_num_c(fbi, "drdx", &v->fbi.drdx);
new bx_shadow_num_c(fbi, "dgdx", &v->fbi.dgdx);
new bx_shadow_num_c(fbi, "dbdx", &v->fbi.dbdx);
new bx_shadow_num_c(fbi, "dadx", &v->fbi.dadx);
new bx_shadow_num_c(fbi, "dzdx", &v->fbi.dzdx);
new bx_shadow_num_c(fbi, "dwdx", &v->fbi.dwdx);
new bx_shadow_num_c(fbi, "drdy", &v->fbi.drdy);
new bx_shadow_num_c(fbi, "dgdy", &v->fbi.dgdy);
new bx_shadow_num_c(fbi, "dbdy", &v->fbi.dbdy);
new bx_shadow_num_c(fbi, "dady", &v->fbi.dady);
new bx_shadow_num_c(fbi, "dzdy", &v->fbi.dzdy);
new bx_shadow_num_c(fbi, "dwdy", &v->fbi.dwdy);
new bx_shadow_num_c(fbi, "sverts", &v->fbi.sverts);
bx_list_c *svert = new bx_list_c(fbi, "svert", "");
for (i = 0; i < 3; i++) {
sprintf(name, "%d", i);
bx_list_c *num = new bx_list_c(svert, name, "");
new bx_shadow_num_c(num, "x", &v->fbi.svert[i].x);
new bx_shadow_num_c(num, "y", &v->fbi.svert[i].y);
new bx_shadow_num_c(num, "a", &v->fbi.svert[i].a);
new bx_shadow_num_c(num, "r", &v->fbi.svert[i].r);
new bx_shadow_num_c(num, "g", &v->fbi.svert[i].g);
new bx_shadow_num_c(num, "b", &v->fbi.svert[i].b);
new bx_shadow_num_c(num, "z", &v->fbi.svert[i].z);
new bx_shadow_num_c(num, "wb", &v->fbi.svert[i].wb);
new bx_shadow_num_c(num, "w0", &v->fbi.svert[i].w0);
new bx_shadow_num_c(num, "s0", &v->fbi.svert[i].s0);
new bx_shadow_num_c(num, "t0", &v->fbi.svert[i].t0);
new bx_shadow_num_c(num, "w1", &v->fbi.svert[i].w1);
new bx_shadow_num_c(num, "s1", &v->fbi.svert[i].s1);
new bx_shadow_num_c(num, "t1", &v->fbi.svert[i].t1);
}
bx_list_c *cmdfifo = new bx_list_c(fbi, "cmdfifo", "");
for (i = 0; i < 2; i++) {
sprintf(name, "%d", i);
bx_list_c *num = new bx_list_c(cmdfifo, name, "");
new bx_shadow_bool_c(num, "enabled", &v->fbi.cmdfifo[i].enabled, BASE_HEX);
new bx_shadow_num_c(num, "base", &v->fbi.cmdfifo[i].base, BASE_HEX);
new bx_shadow_num_c(num, "end", &v->fbi.cmdfifo[i].end, BASE_HEX);
new bx_shadow_num_c(num, "rdptr", &v->fbi.cmdfifo[i].rdptr, BASE_HEX);
new bx_shadow_num_c(num, "amin", &v->fbi.cmdfifo[i].amin, BASE_HEX);
new bx_shadow_num_c(num, "amax", &v->fbi.cmdfifo[i].amax, BASE_HEX);
new bx_shadow_num_c(num, "depth", &v->fbi.cmdfifo[i].depth);
new bx_shadow_num_c(num, "depth_needed", &v->fbi.cmdfifo[i].depth_needed);
new bx_shadow_bool_c(num, "cmd_ready", &v->fbi.cmdfifo[i].cmd_ready);
}
bx_list_c *fogblend = new bx_list_c(fbi, "fogblend", "");
for (i = 0; i < 64; i++) {
sprintf(name, "%d", i);
new bx_shadow_num_c(fogblend, name, &v->fbi.fogblend[i]);
}
bx_list_c *fogdelta = new bx_list_c(fbi, "fogdelta", "");
for (i = 0; i < 64; i++) {
sprintf(name, "%d", i);
new bx_shadow_num_c(fogdelta, name, &v->fbi.fogdelta[i]);
}
new bx_shadow_data_c(fbi, "clut", (Bit8u*)v->fbi.clut, sizeof(v->fbi.clut));
new bx_shadow_bool_c(fbi, "clut_dirty", &v->fbi.clut_dirty);
bx_list_c *tmu = new bx_list_c(vstate, "tmu", "textures");
for (i = 0; i < MAX_TMU; i++) {
sprintf(name, "%d", i);
bx_list_c *num = new bx_list_c(tmu, name, "");
new bx_shadow_data_c(num, "ram", v->tmu[i].ram, (4 << 20));
new bx_shadow_bool_c(num, "regdirty", &v->tmu[i].regdirty);
new bx_shadow_num_c(num, "starts", &v->tmu[i].starts);
new bx_shadow_num_c(num, "startt", &v->tmu[i].startt);
new bx_shadow_num_c(num, "startw", &v->tmu[i].startw);
new bx_shadow_num_c(num, "dsdx", &v->tmu[i].dsdx);
new bx_shadow_num_c(num, "dtdx", &v->tmu[i].dtdx);
new bx_shadow_num_c(num, "dwdx", &v->tmu[i].dwdx);
new bx_shadow_num_c(num, "dsdy", &v->tmu[i].dsdy);
new bx_shadow_num_c(num, "dtdy", &v->tmu[i].dtdy);
new bx_shadow_num_c(num, "dwdy", &v->tmu[i].dwdy);
new bx_shadow_num_c(num, "lodmin", &v->tmu[i].lodmin);
new bx_shadow_num_c(num, "lodmax", &v->tmu[i].lodmax);
new bx_shadow_num_c(num, "lodbias", &v->tmu[i].lodbias);
new bx_shadow_num_c(num, "lodmask", &v->tmu[i].lodmask);
bx_list_c *lodoffs = new bx_list_c(num, "lodoffset", "");
for (j = 0; j < 9; j++) {
sprintf(name, "%d", j);
new bx_shadow_num_c(lodoffs, name, &v->tmu[i].lodoffset[j]);
}
new bx_shadow_num_c(num, "detailmax", &v->tmu[i].detailmax);
new bx_shadow_num_c(num, "detailbias", &v->tmu[i].detailbias);
new bx_shadow_num_c(num, "wmask", &v->tmu[i].wmask);
new bx_shadow_num_c(num, "hmask", &v->tmu[i].hmask);
bx_list_c *ncc = new bx_list_c(num, "ncc", "");
for (j = 0; j < 2; j++) {
sprintf(name, "%d", j);
bx_list_c *ncct = new bx_list_c(ncc, name, "");
new bx_shadow_bool_c(ncct, "dirty", &v->tmu[i].ncc[j].dirty);
bx_list_c *ir = new bx_list_c(ncct, "ir", "");
bx_list_c *ig = new bx_list_c(ncct, "ig", "");
bx_list_c *ib = new bx_list_c(ncct, "ib", "");
bx_list_c *qr = new bx_list_c(ncct, "qr", "");
bx_list_c *qg = new bx_list_c(ncct, "qg", "");
bx_list_c *qb = new bx_list_c(ncct, "qb", "");
for (k = 0; k < 4; k++) {
sprintf(name, "%d", k);
new bx_shadow_num_c(ir, name, &v->tmu[i].ncc[j].ir[k]);
new bx_shadow_num_c(ig, name, &v->tmu[i].ncc[j].ig[k]);
new bx_shadow_num_c(ib, name, &v->tmu[i].ncc[j].ib[k]);
new bx_shadow_num_c(qr, name, &v->tmu[i].ncc[j].qr[k]);
new bx_shadow_num_c(qg, name, &v->tmu[i].ncc[j].qg[k]);
new bx_shadow_num_c(qb, name, &v->tmu[i].ncc[j].qb[k]);
}
bx_list_c *y = new bx_list_c(ncct, "y", "");
for (k = 0; k < 16; k++) {
sprintf(name, "%d", k);
new bx_shadow_num_c(y, name, &v->tmu[i].ncc[j].y[k]);
}
new bx_shadow_data_c(ncct, "texel", (Bit8u*)v->tmu[i].ncc[j].texel, 256 * sizeof(rgb_t));
}
new bx_shadow_data_c(num, "palette", (Bit8u*)v->tmu[i].palette, 256 * sizeof(rgb_t));
new bx_shadow_data_c(num, "palettea", (Bit8u*)v->tmu[i].palettea, 256 * sizeof(rgb_t));
}
new bx_shadow_num_c(vstate, "send_config", &v->send_config);
bx_list_c *vdraw = new bx_list_c(list, "vdraw", "Voodoo Draw State");
new bx_shadow_bool_c(vdraw, "clock_enabled", &BX_VOODOO_THIS s.vdraw.clock_enabled);
new bx_shadow_bool_c(vdraw, "output_on", &BX_VOODOO_THIS s.vdraw.output_on);
new bx_shadow_bool_c(vdraw, "override_on", &BX_VOODOO_THIS s.vdraw.override_on);
register_pci_state(list);
}
void bx_voodoo_c::after_restore_state(void)
{
if (BX_VOODOO_THIS s.model != VOODOO_BANSHEE) {
if (DEV_pci_set_base_mem(BX_VOODOO_THIS_PTR, mem_read_handler, mem_write_handler,
&BX_VOODOO_THIS pci_base_address[0],
&BX_VOODOO_THIS pci_conf[0x10],
0x1000000)) {
BX_INFO(("new mem base address: 0x%08x", BX_VOODOO_THIS pci_base_address[0]));
}
if (BX_VOODOO_THIS s.vdraw.override_on) {
// force update
v->fbi.video_changed = 1;
BX_VOODOO_THIS s.vdraw.frame_start = bx_virt_timer.time_usec(0);
BX_VOODOO_THIS update_timing();
DEV_vga_set_override(1, BX_VOODOO_THIS_PTR);
}
} else {
bx_pci_device_c::after_restore_pci_state(mem_read_handler);
// TODO
}
}
bx_bool bx_voodoo_c::mem_read_handler(bx_phy_address addr, unsigned len,
void *data, void *param)
{
Bit32u *data_ptr = (Bit32u*)data;
if (BX_VOODOO_THIS s.model != VOODOO_BANSHEE) {
*data_ptr = voodoo_r((addr>>2) & 0x3FFFFF);
} else {
BX_VOODOO_THIS banshee_mem_read(addr, len, data);
}
return 1;
}
bx_bool bx_voodoo_c::mem_write_handler(bx_phy_address addr, unsigned len,
void *data, void *param)
{
Bit32u val = *(Bit32u*)data;
if (BX_VOODOO_THIS s.model != VOODOO_BANSHEE) {
if (len == 4) {
voodoo_w((addr>>2) & 0x3FFFFF, val, 0xffffffff);
} else if (len == 2) {
if (addr & 3) {
voodoo_w((addr>>2) & 0x3FFFFF, val<<16, 0xffff0000);
} else {
voodoo_w((addr>>2) & 0x3FFFFF, val, 0x0000ffff);
}
}
} else {
BX_VOODOO_THIS banshee_mem_write(addr, len, data);
}
return 1;
}
void bx_voodoo_c::mode_change_timer_handler(void *this_ptr)
{
UNUSED(this_ptr);
BX_VOODOO_THIS s.vdraw.screen_update_pending = 0;
if ((!BX_VOODOO_THIS s.vdraw.clock_enabled || !BX_VOODOO_THIS s.vdraw.output_on) && BX_VOODOO_THIS s.vdraw.override_on) {
// switching off
bx_virt_timer.deactivate_timer(BX_VOODOO_THIS s.vertical_timer_id);
DEV_vga_set_override(0, NULL);
BX_VOODOO_THIS s.vdraw.override_on = 0;
BX_VOODOO_THIS s.vdraw.width = 0;
BX_VOODOO_THIS s.vdraw.height = 0;
BX_INFO(("Voodoo output disabled"));
}
if ((BX_VOODOO_THIS s.vdraw.clock_enabled && BX_VOODOO_THIS s.vdraw.output_on) && !BX_VOODOO_THIS s.vdraw.override_on) {
// switching on
if (!BX_VOODOO_THIS update_timing())
return;
DEV_vga_set_override(1, BX_VOODOO_THIS_PTR);
BX_VOODOO_THIS s.vdraw.override_on = 1;
}
}
bx_bool bx_voodoo_c::update_timing(void)
{
int htotal, vtotal, hsync, vsync;
if (!BX_VOODOO_THIS s.vdraw.clock_enabled || !BX_VOODOO_THIS s.vdraw.output_on)
return 0;
if ((v->reg[hSync].u == 0) || (v->reg[vSync].u == 0))
return 0;
if (BX_VOODOO_THIS s.model == VOODOO_2) {
htotal = ((v->reg[hSync].u >> 16) & 0x7ff) + 1 + (v->reg[hSync].u & 0x1ff) + 1;
vtotal = ((v->reg[vSync].u >> 16) & 0x1fff) + (v->reg[vSync].u & 0x1fff);
hsync = ((v->reg[hSync].u >> 16) & 0x7ff);
vsync = ((v->reg[vSync].u >> 16) & 0x1fff);
} else {
htotal = ((v->reg[hSync].u >> 16) & 0x3ff) + 1 + (v->reg[hSync].u & 0xff) + 1;
vtotal = ((v->reg[vSync].u >> 16) & 0xfff) + (v->reg[vSync].u & 0xfff);
hsync = ((v->reg[hSync].u >> 16) & 0x3ff);
vsync = ((v->reg[vSync].u >> 16) & 0xfff);
}
float hfreq = v->dac.clk0_freq / (float)htotal;
if (((v->reg[fbiInit1].u >> 20) & 3) == 1) { // VCLK div 2
hfreq /= 2;
}
float vfreq = hfreq / (float)vtotal;
BX_VOODOO_THIS s.vdraw.htotal_usec = (unsigned)(1000000.0 / hfreq);
BX_VOODOO_THIS s.vdraw.vtotal_usec = (unsigned)(1000000.0 / vfreq);
BX_VOODOO_THIS s.vdraw.htime_to_pixel = (double)htotal / (1000000.0 / hfreq);
BX_VOODOO_THIS s.vdraw.hsync_usec = BX_VOODOO_THIS s.vdraw.htotal_usec * hsync / htotal;
BX_VOODOO_THIS s.vdraw.vsync_usec = vsync * BX_VOODOO_THIS s.vdraw.htotal_usec;
if ((BX_VOODOO_THIS s.vdraw.width != v->fbi.width) ||
(BX_VOODOO_THIS s.vdraw.height != v->fbi.height)) {
BX_VOODOO_THIS s.vdraw.width = v->fbi.width;
BX_VOODOO_THIS s.vdraw.height = v->fbi.height;
bx_gui->dimension_update(v->fbi.width, v->fbi.height, 0, 0, 16);
vertical_timer_handler(NULL);
}
BX_INFO(("Voodoo output %dx%d@%uHz", v->fbi.width, v->fbi.height, (unsigned)vfreq));
bx_virt_timer.activate_timer(BX_VOODOO_THIS s.vertical_timer_id, (Bit32u)BX_VOODOO_THIS s.vdraw.vtotal_usec, 1);
return 1;
}
void bx_voodoo_c::refresh_display(void *this_ptr, bx_bool redraw)
{
if (redraw) {
redraw_area(0, 0, v->fbi.width, v->fbi.height);
}
vertical_timer_handler(this_ptr);
update();
}
void bx_voodoo_c::vertical_timer_handler(void *this_ptr)
{
UNUSED(this_ptr);
BX_VOODOO_THIS s.vdraw.frame_start = bx_virt_timer.time_usec(0);
BX_LOCK(fifo_mutex);
if (!fifo_empty(&v->pci.fifo) || !fifo_empty(&v->fbi.fifo)) {
bx_set_event(&fifo_wakeup);
}
BX_UNLOCK(fifo_mutex);
if (v->fbi.cmdfifo[0].cmd_ready) {
bx_set_event(&fifo_wakeup);
}
if (v->fbi.vblank_swap_pending) {
swap_buffers(v);
}
rectangle re;
re.min_x = re.min_y = 0;
re.max_x = v->fbi.width;
re.max_y = v->fbi.height;
if (!voodoo_update(&re))
return;
BX_VOODOO_THIS s.vdraw.gui_update_pending = 1;
}
void bx_voodoo_c::update(void)
{
unsigned pitch;
unsigned xc, yc, xti, yti;
unsigned r, c, w, h;
int i;
unsigned long colour;
Bit8u * vid_ptr, * vid_ptr2;
Bit8u * tile_ptr, * tile_ptr2;
bx_svga_tileinfo_t info;
if (!BX_VOODOO_THIS s.vdraw.gui_update_pending)
return;
Bit8u *disp_ptr = (Bit8u*)(v->fbi.ram + v->fbi.rgboffs[v->fbi.frontbuf]);
pitch = v->fbi.rowpixels * 2;
if (bx_gui->graphics_tile_info_common(&info)) {
if (info.snapshot_mode) {
vid_ptr = disp_ptr;
tile_ptr = bx_gui->get_snapshot_buffer();
if (tile_ptr != NULL) {
for (yc = 0; yc < BX_VOODOO_THIS s.vdraw.height; yc++) {
memcpy(tile_ptr, vid_ptr, info.pitch);
vid_ptr += pitch;
tile_ptr += info.pitch;
}
}
} else if (info.is_indexed) {
BX_ERROR(("current guest pixel format is unsupported on indexed colour host displays"));
} else {
for (yc=0, yti = 0; yc<BX_VOODOO_THIS s.vdraw.height; yc+=Y_TILESIZE, yti++) {
for (xc=0, xti = 0; xc<BX_VOODOO_THIS s.vdraw.width; xc+=X_TILESIZE, xti++) {
vid_ptr = disp_ptr + (yc * pitch + (xc<<1));
tile_ptr = bx_gui->graphics_tile_get(xc, yc, &w, &h);
for (r=0; r<h; r++) {
vid_ptr2 = vid_ptr;
tile_ptr2 = tile_ptr;
for (c=0; c<w; c++) {
colour = *(vid_ptr2++);
colour |= *(vid_ptr2++) << 8;
colour = MAKE_COLOUR(
colour & 0x001f, 5, info.blue_shift, info.blue_mask,
colour & 0x07e0, 11, info.green_shift, info.green_mask,
colour & 0xf800, 16, info.red_shift, info.red_mask);
if (info.is_little_endian) {
for (i=0; i<info.bpp; i+=8) {
*(tile_ptr2++) = (Bit8u)(colour >> i);
}
} else {
for (i=info.bpp-8; i>-8; i-=8) {
*(tile_ptr2++) = (Bit8u)(colour >> i);
}
}
}
vid_ptr += pitch;
tile_ptr += info.pitch;
}
bx_gui->graphics_tile_update_in_place(xc, yc, w, h);
}
}
}
} else {
BX_PANIC(("cannot get svga tile info"));
}
BX_VOODOO_THIS s.vdraw.gui_update_pending = 0;
}
void bx_voodoo_c::redraw_area(unsigned x0, unsigned y0, unsigned width,
unsigned height)
{
// TODO: implement tile-based update mechanism
v->fbi.video_changed = 1;
}
Bit32u bx_voodoo_c::get_retrace(bx_bool hv)
{
Bit64u time_in_frame = bx_virt_timer.time_usec(0) - BX_VOODOO_THIS s.vdraw.frame_start;
if (time_in_frame >= BX_VOODOO_THIS s.vdraw.vsync_usec) {
return 0;
} else {
Bit32u value = (Bit32u)(time_in_frame / BX_VOODOO_THIS s.vdraw.htotal_usec + 1);
if (hv) {
Bit32u time_in_line = (Bit32u)(time_in_frame % BX_VOODOO_THIS s.vdraw.htotal_usec);
Bit32u hpixel = (Bit32u)(time_in_line * BX_VOODOO_THIS s.vdraw.htime_to_pixel);
if (time_in_line < BX_VOODOO_THIS s.vdraw.hsync_usec) {
value |= ((hpixel + 1) << 16);
}
}
return value;
}
}
void bx_voodoo_c::output_enable(bx_bool enabled)
{
if (BX_VOODOO_THIS s.vdraw.output_on != enabled) {
BX_VOODOO_THIS s.vdraw.output_on = enabled;
update_screen_start();
}
}
void bx_voodoo_c::update_screen_start(void)
{
if (!BX_VOODOO_THIS s.vdraw.screen_update_pending) {
BX_VOODOO_THIS s.vdraw.screen_update_pending = 1;
bx_virt_timer.activate_timer(BX_VOODOO_THIS s.mode_change_timer_id, 1000, 0);
}
}
void bx_voodoo_c::set_irq_level(bx_bool level)
{
DEV_pci_set_irq(BX_VOODOO_THIS s.devfunc, BX_VOODOO_THIS pci_conf[0x3d], level);
}
// pci configuration space write callback handler
void bx_voodoo_c::pci_write_handler(Bit8u address, Bit32u value, unsigned io_len)
{
Bit8u value8, oldval;
bx_bool baseaddr_change = 0;
if (BX_VOODOO_THIS s.model == VOODOO_BANSHEE) {
banshee_pci_write_handler(address, value, io_len);
return;
}
if ((address >= 0x14) && (address < 0x34))
return;
for (unsigned i=0; i<io_len; i++) {
value8 = (value >> (i*8)) & 0xFF;
oldval = BX_VOODOO_THIS pci_conf[address+i];
switch (address+i) {
case 0x04:
value8 &= 0x02;
break;
case 0x3c:
if (value8 != oldval) {
BX_INFO(("new irq line = %d", value8));
}
break;
case 0x10:
value8 = (value8 & 0xf0) | (oldval & 0x0f);
case 0x11:
case 0x12:
case 0x13:
baseaddr_change |= (value8 != oldval);
break;
case 0x40:
case 0x41:
case 0x42:
case 0x43:
if (((address+i) == 0x40) && ((value8 ^ oldval) & 0x02)) {
v->pci.fifo.enabled = ((value8 & 0x02) > 0);
if (!v->pci.fifo.enabled && !fifo_empty(&v->pci.fifo)) {
bx_set_event(&fifo_wakeup);
}
BX_DEBUG(("PCI FIFO now %sabled", v->pci.fifo.enabled ? "en":"dis"));
}
if (((address+i) == 0x41) && (BX_VOODOO_THIS s.model == VOODOO_2)) {
value8 &= 0x0f;
value8 |= 0x50;
}
v->pci.init_enable &= ~(0xff << (i*8));
v->pci.init_enable |= (value8 << (i*8));
break;
case 0xc0:
BX_VOODOO_THIS s.vdraw.clock_enabled = 1;
update_screen_start();
break;
case 0xe0:
BX_VOODOO_THIS s.vdraw.clock_enabled = 0;
update_screen_start();
break;
default:
value8 = oldval;
}
BX_VOODOO_THIS pci_conf[address+i] = value8;
}
if (baseaddr_change) {
if (DEV_pci_set_base_mem(BX_VOODOO_THIS_PTR, mem_read_handler, mem_write_handler,
&BX_VOODOO_THIS pci_base_address[0],
&BX_VOODOO_THIS pci_conf[0x10],
0x1000000)) {
BX_INFO(("new mem base address: 0x%08x", BX_VOODOO_THIS pci_base_address[0]));
}
}
if (io_len == 1)
BX_DEBUG(("write PCI register 0x%02x value 0x%02x", address, value));
else if (io_len == 2)
BX_DEBUG(("write PCI register 0x%02x value 0x%04x", address, value));
else if (io_len == 4)
BX_DEBUG(("write PCI register 0x%02x value 0x%08x", address, value));
}
// Banshee pci configuration space write handler
void bx_voodoo_c::banshee_pci_write_handler(Bit8u address, Bit32u value, unsigned io_len)
{
Bit8u value8, oldval;
bx_bool baseaddr0_change = 0, baseaddr1_change = 0, baseaddr2_change = 0;
bx_bool romaddr_change = 0;
if ((address >= 0x1c) && (address < 0x30))
return;
for (unsigned i=0; i<io_len; i++) {
value8 = (value >> (i*8)) & 0xFF;
oldval = BX_VOODOO_THIS pci_conf[address+i];
switch (address+i) {
case 0x04:
value8 &= 0x03;
break;
case 0x3c:
if (value8 != oldval) {
BX_INFO(("new irq line = %d", value8));
}
break;
case 0x10:
value8 = (value8 & 0xf0) | (oldval & 0x0f);
case 0x11:
case 0x12:
case 0x13:
baseaddr0_change |= (value8 != oldval);
break;
case 0x14:
value8 = (value8 & 0xf0) | (oldval & 0x0f);
case 0x15:
case 0x16:
case 0x17:
baseaddr1_change |= (value8 != oldval);
break;
case 0x18:
value8 = (value8 & 0xf0) | (oldval & 0x0f);
case 0x19:
case 0x1a:
case 0x1b:
baseaddr2_change |= (value8 != oldval);
break;
case 0x30:
case 0x31:
case 0x32:
case 0x33:
if (BX_VOODOO_THIS pci_rom_size > 0) {
if ((address+i) == 0x30) {
value8 &= 0x01;
} else if ((address+i) == 0x31) {
value8 &= 0xfc;
}
romaddr_change = 1;
}
break;
default:
if (address >= 0x54) {
value8 = oldval;
}
}
BX_VOODOO_THIS pci_conf[address+i] = value8;
}
if (baseaddr0_change) {
if (DEV_pci_set_base_mem(BX_VOODOO_THIS_PTR, mem_read_handler, mem_write_handler,
&BX_VOODOO_THIS pci_base_address[0],
&BX_VOODOO_THIS pci_conf[0x10],
0x2000000)) {
BX_INFO(("new mem base address: 0x%08x", BX_VOODOO_THIS pci_base_address[0]));
}
}
if (baseaddr1_change) {
if (DEV_pci_set_base_mem(BX_VOODOO_THIS_PTR, mem_read_handler, mem_write_handler,
&BX_VOODOO_THIS pci_base_address[1],
&BX_VOODOO_THIS pci_conf[0x14],
0x2000000)) {
BX_INFO(("new lfb base address: 0x%08x", BX_VOODOO_THIS pci_base_address[1]));
}
}
if (baseaddr2_change) {
if (DEV_pci_set_base_io(BX_VOODOO_THIS_PTR, banshee_read_handler, banshee_write_handler,
&BX_VOODOO_THIS pci_base_address[2],
&BX_VOODOO_THIS pci_conf[0x18],
256, &banshee_iomask[0], "banshee")) {
BX_INFO(("new i/o base address: 0x%04x", BX_VOODOO_THIS pci_base_address[2]));
}
}
if (romaddr_change) {
if (DEV_pci_set_base_mem(BX_VOODOO_THIS_PTR, mem_read_handler, NULL,
&BX_VOODOO_THIS pci_rom_address,
&BX_VOODOO_THIS pci_conf[0x30],
BX_VOODOO_THIS pci_rom_size)) {
BX_INFO(("new ROM address: 0x%08x", BX_VOODOO_THIS pci_rom_address));
}
}
if (io_len == 1)
BX_DEBUG(("write PCI register 0x%02x value 0x%02x", address, value));
else if (io_len == 2)
BX_DEBUG(("write PCI register 0x%02x value 0x%04x", address, value));
else if (io_len == 4)
BX_DEBUG(("write PCI register 0x%02x value 0x%08x", address, value));
}
Bit32u bx_voodoo_c::banshee_read_handler(void *this_ptr, Bit32u address, unsigned io_len)
{
UNUSED(this_ptr);
Bit32u result = 0xffffffff;
if ((address & ~0xff) == BX_VOODOO_THIS pci_base_address[2]) {
Bit8u offset = (Bit8u)(address & 0xff);
Bit8u reg = (offset>>2);
BX_DEBUG(("banshee read from offset 0x%02x (%s)", offset, banshee_io_reg_name[reg]));
switch (offset>>2) {
case io_status:
result = register_r(0);
break;
case io_dacData:
result = v->fbi.clut[v->banshee.io[io_dacAddr] & 0x1ff] = v->banshee.io[reg];
break;
case io_vgab0: case io_vgab4: case io_vgab8: case io_vgabc:
case io_vgac0: case io_vgac4: case io_vgac8: case io_vgacc:
case io_vgad0: case io_vgad4: case io_vgad8: case io_vgadc:
result = 0;
if (theVoodooVga != NULL) {
for (unsigned i=0; i<io_len; i++) {
result <<= 8;
result |= theVoodooVga->banshee_read_handler(theVoodooVga, 0x300+offset+i, 1);
}
}
break;
default:
result = v->banshee.io[reg];
break;
}
BX_DEBUG(("banshee read result = 0x%08x", result));
}
return result;
}
void bx_voodoo_c::banshee_write_handler(void *this_ptr, Bit32u address, Bit32u value, unsigned io_len)
{
UNUSED(this_ptr);
Bit16u width, height;
if ((address & ~0xff) == BX_VOODOO_THIS pci_base_address[2]) {
Bit8u offset = (Bit8u)(address & 0xff);
Bit8u reg = (offset>>2);
Bit32u old = v->banshee.io[reg];
BX_DEBUG(("banshee write to offset 0x%02x: value = 0x%08x len=%d (%s)", offset, value,
io_len, banshee_io_reg_name[reg]));
switch (reg) {
case io_vidProcCfg:
v->banshee.io[reg] = value;
if ((v->banshee.io[reg] ^ old) & 0x2800)
v->fbi.clut_dirty = 1;
if ((v->banshee.io[reg] & 0x01) && ((old & 0x01) == 0x00)) {
theVoodooVga->banshee_update_mode();
}
break;
case io_dacData:
v->banshee.io[reg] = value;
if (v->banshee.io[reg] != v->fbi.clut[v->banshee.io[io_dacAddr] & 0x1ff]) {
v->fbi.clut[v->banshee.io[io_dacAddr] & 0x1ff] = v->banshee.io[reg];
v->fbi.clut_dirty = 1;
}
break;
case io_miscInit0:
v->banshee.io[reg] = value;
v->fbi.yorigin = (value >> 18) & 0xfff;
break;
case io_vidScreenSize:
v->banshee.io[reg] = value;
width = (value & 0xfff);
height = (value >> 12) & 0xfff;
if ((width != v->fbi.width) || (height != v->fbi.height)) {
v->fbi.width = width;
v->fbi.height = height;
}
break;
case io_vgaInit0:
v->banshee.io[reg] = value;
theVoodooVga->banshee_set_dac_mode((v->banshee.io[reg] & 0x04) != 0);
break;
case io_lfbMemoryConfig:
v->banshee.io[reg] = value;
v->fbi.lfb_base = (value & 0x1fff) << 10;
v->fbi.lfb_stride = ((value >> 13) & 7) + 10;
break;
case io_vgab0: case io_vgab4: case io_vgab8: case io_vgabc:
case io_vgac0: case io_vgac4: case io_vgac8: case io_vgacc:
case io_vgad0: case io_vgad4: case io_vgad8: case io_vgadc:
if (theVoodooVga != NULL) {
for (unsigned i=0; i<io_len; i++) {
Bit8u value8 = (value >> (i*8)) & 0xff;
theVoodooVga->banshee_write_handler(theVoodooVga, 0x300+offset+i, value8, 1);
}
}
break;
default:
v->banshee.io[reg] = value;
break;
}
}
}
void bx_voodoo_c::banshee_mem_read(bx_phy_address addr, unsigned len, void *data)
{
Bit32u *data_ptr = (Bit32u*)data;
Bit32u value = 0;
if (BX_VOODOO_THIS pci_rom_size > 0) {
Bit32u mask = (BX_VOODOO_THIS pci_rom_size - 1);
if ((addr & ~mask) == BX_VOODOO_THIS pci_rom_address) {
if (BX_VOODOO_THIS pci_conf[0x30] & 0x01) {
for (unsigned i = 0; i < len; i++) {
value <<= 8;
value |= BX_VOODOO_THIS pci_rom[(addr & mask) + i];
}
*data_ptr = value;
} else {
*data_ptr = 0xffffffff;
}
return;
}
}
Bit32u offset = (addr & 0x1ffffff);
if ((addr & ~0x1ffffff) == BX_VOODOO_THIS pci_base_address[0]) {
BX_INFO(("TODO: banshee mem read from offset 0x%08x", offset));
} else if ((addr & ~0x1ffffff) == BX_VOODOO_THIS pci_base_address[1]) {
BX_INFO(("TODO: banshee lfb read from offset 0x%08x", offset));
}
}
void bx_voodoo_c::banshee_mem_write(bx_phy_address addr, unsigned len, void *data)
{
Bit32u offset = (addr & 0x1ffffff);
if ((addr & ~0x1ffffff) == BX_VOODOO_THIS pci_base_address[0]) {
BX_INFO(("TODO: banshee mem write to offset 0x%08x", offset));
} else if ((addr & ~0x1ffffff) == BX_VOODOO_THIS pci_base_address[1]) {
BX_INFO(("TODO: banshee lfb write to offset 0x%08x", offset));
}
}
#undef LOG_THIS
#define LOG_THIS theVoodooVga->
bx_voodoo_vga_c::bx_voodoo_vga_c() : bx_vgacore_c()
{
put("VVGA");
}
bx_voodoo_vga_c::~bx_voodoo_vga_c()
{
s.memory = NULL;
}
bx_bool bx_voodoo_vga_c::init_vga_extension(void)
{
theVoodooDevice->init();
if (theVoodooDevice->get_model() == VOODOO_BANSHEE) {
BX_VVGA_THIS s.memory = v->fbi.ram;
BX_VVGA_THIS s.memsize = v->fbi.mask + 1;
init_iohandlers(banshee_read_handler, banshee_write_handler);
DEV_register_iowrite_handler(this, banshee_write_handler, 0x0102, "banshee", 1);
DEV_register_iowrite_handler(this, banshee_write_handler, 0x46e8, "banshee", 1);
BX_VVGA_THIS s.max_xres = 1280;
BX_VVGA_THIS s.max_yres = 1024;
BX_VVGA_THIS pci_enabled = 1;
return 1;
} else {
init_iohandlers(read_handler, write_handler);
return 0;
}
}
void bx_voodoo_vga_c::reset(unsigned type)
{
theVoodooDevice->reset(type);
}
void bx_voodoo_vga_c::register_state(void)
{
bx_list_c *list = new bx_list_c(SIM->get_bochs_root(), "voodoo_vga", "Voodoo VGA State");
bx_vgacore_c::register_state(list);
theVoodooDevice->register_state();
}
void bx_voodoo_vga_c::after_restore_state(void)
{
bx_vgacore_c::after_restore_state();
theVoodooDevice->after_restore_state();
}
void bx_voodoo_vga_c::redraw_area(unsigned x0, unsigned y0, unsigned width,
unsigned height)
{
bx_vgacore_c::redraw_area(x0, y0, width, height);
}
void bx_voodoo_vga_c::banshee_update_mode(void)
{
Bit8u format = (v->banshee.io[io_vidProcCfg] >> 18) & 0x07;
if (format < 4) {
vbe.bpp = (format + 1) << 3;
} else {
BX_ERROR(("Ignoring reserved pixel format"));
return;
}
vbe.half_mode = (v->banshee.io[io_vidProcCfg] >> 4) & 1;
BX_INFO(("switched to %d x %d x %d", v->fbi.width, v->fbi.height, vbe.bpp));
bx_gui->dimension_update(v->fbi.width, v->fbi.height, 0, 0, vbe.bpp);
// compatibilty settings for VGA core
BX_VVGA_THIS s.last_xres = v->fbi.width;
BX_VVGA_THIS s.last_yres = v->fbi.height;
BX_VVGA_THIS s.last_bpp = vbe.bpp;
BX_VVGA_THIS s.last_fh = 0;
}
void bx_voodoo_vga_c::banshee_set_dac_mode(bx_bool mode)
{
unsigned i;
if (mode != vbe.dac_8bit) {
if (mode) {
for (i=0; i<256; i++) {
s.pel.data[i].red <<= 2;
s.pel.data[i].green <<= 2;
s.pel.data[i].blue <<= 2;
}
BX_INFO(("DAC in 8 bit mode"));
} else {
for (i=0; i<256; i++) {
s.pel.data[i].red >>= 2;
s.pel.data[i].green >>= 2;
s.pel.data[i].blue >>= 2;
}
BX_INFO(("DAC in standard mode"));
}
vbe.dac_8bit = mode;
s.dac_shift = mode ? 0 : 2;
}
}
void bx_voodoo_vga_c::update(void)
{
Bit32u start = v->banshee.io[io_vidDesktopStartAddr];
unsigned iHeight, iWidth;
unsigned pitch, xc, yc, xti, yti;
unsigned r, c, w, h;
int i;
unsigned long red, green, blue, colour;
Bit8u * vid_ptr, * vid_ptr2;
Bit8u * tile_ptr, * tile_ptr2;
bx_svga_tileinfo_t info;
Bit8u dac_size = vbe.dac_8bit ? 8 : 6;
if (v->banshee.io[io_vidProcCfg] & 0x01) {
iWidth = v->fbi.width;
iHeight = v->fbi.height;
pitch = v->banshee.io[io_vidDesktopOverlayStride] & 0x7fff;
Bit8u *disp_ptr = &v->fbi.ram[start & v->fbi.mask];
if (bx_gui->graphics_tile_info_common(&info)) {
if (info.snapshot_mode) {
vid_ptr = disp_ptr;
tile_ptr = bx_gui->get_snapshot_buffer();
if (tile_ptr != NULL) {
for (yc = 0; yc < iHeight; yc++) {
memcpy(tile_ptr, vid_ptr, info.pitch);
vid_ptr += pitch;
tile_ptr += info.pitch;
}
}
} else if (info.is_indexed) {
BX_ERROR(("current guest pixel format is unsupported on indexed colour host displays"));
} else {
switch (vbe.bpp) {
case 8:
for (yc=0, yti = 0; yc<iHeight; yc+=Y_TILESIZE, yti++) {
for (xc=0, xti = 0; xc<iWidth; xc+=X_TILESIZE, xti++) {
if (GET_TILE_UPDATED (xti, yti)) {
if (BX_VVGA_THIS vbe.half_mode) {
vid_ptr = disp_ptr + ((yc >> 1) * pitch + xc);
} else {
vid_ptr = disp_ptr + (yc * pitch + xc);
}
tile_ptr = bx_gui->graphics_tile_get(xc, yc, &w, &h);
for (r=0; r<h; r++) {
vid_ptr2 = vid_ptr;
tile_ptr2 = tile_ptr;
for (c=0; c<w; c++) {
colour = *(vid_ptr2++);
colour = MAKE_COLOUR(
BX_VVGA_THIS s.pel.data[colour].red, dac_size, info.red_shift, info.red_mask,
BX_VVGA_THIS s.pel.data[colour].green, dac_size, info.green_shift, info.green_mask,
BX_VVGA_THIS s.pel.data[colour].blue, dac_size, info.blue_shift, info.blue_mask);
if (info.is_little_endian) {
for (i=0; i<info.bpp; i+=8) {
*(tile_ptr2++) = (Bit8u)(colour >> i);
}
} else {
for (i=info.bpp-8; i>-8; i-=8) {
*(tile_ptr2++) = (Bit8u)(colour >> i);
}
}
}
if (!BX_VVGA_THIS vbe.half_mode || (r & 1)) {
vid_ptr += pitch;
}
tile_ptr += info.pitch;
}
SET_TILE_UPDATED(BX_VVGA_THIS, xti, yti, 0);
bx_gui->graphics_tile_update_in_place(xc, yc, w, h);
}
}
}
break;
case 16:
for (yc=0, yti = 0; yc<iHeight; yc+=Y_TILESIZE, yti++) {
for (xc=0, xti = 0; xc<iWidth; xc+=X_TILESIZE, xti++) {
if (GET_TILE_UPDATED (xti, yti)) {
if (BX_VVGA_THIS vbe.half_mode) {
vid_ptr = disp_ptr + ((yc >> 1) * pitch + (xc << 1));
} else {
vid_ptr = disp_ptr + (yc * pitch + (xc << 1));
}
tile_ptr = bx_gui->graphics_tile_get(xc, yc, &w, &h);
for (r=0; r<h; r++) {
vid_ptr2 = vid_ptr;
tile_ptr2 = tile_ptr;
for (c=0; c<w; c++) {
colour = *(vid_ptr2++);
colour |= *(vid_ptr2++) << 8;
colour = MAKE_COLOUR(
colour & 0x001f, 5, info.blue_shift, info.blue_mask,
colour & 0x07e0, 11, info.green_shift, info.green_mask,
colour & 0xf800, 16, info.red_shift, info.red_mask);
if (info.is_little_endian) {
for (i=0; i<info.bpp; i+=8) {
*(tile_ptr2++) = (Bit8u)(colour >> i);
}
} else {
for (i=info.bpp-8; i>-8; i-=8) {
*(tile_ptr2++) = (Bit8u)(colour >> i);
}
}
}
if (!BX_VVGA_THIS vbe.half_mode || (r & 1)) {
vid_ptr += pitch;
}
tile_ptr += info.pitch;
}
SET_TILE_UPDATED(BX_VVGA_THIS, xti, yti, 0);
bx_gui->graphics_tile_update_in_place(xc, yc, w, h);
}
}
}
break;
case 24:
for (yc=0, yti = 0; yc<iHeight; yc+=Y_TILESIZE, yti++) {
for (xc=0, xti = 0; xc<iWidth; xc+=X_TILESIZE, xti++) {
if (GET_TILE_UPDATED (xti, yti)) {
if (BX_VVGA_THIS vbe.half_mode) {
vid_ptr = disp_ptr + ((yc >> 1) * pitch + 3*xc);
} else {
vid_ptr = disp_ptr + (yc * pitch + 3*xc);
}
tile_ptr = bx_gui->graphics_tile_get(xc, yc, &w, &h);
for (r=0; r<h; r++) {
vid_ptr2 = vid_ptr;
tile_ptr2 = tile_ptr;
for (c=0; c<w; c++) {
blue = *(vid_ptr2++);
green = *(vid_ptr2++);
red = *(vid_ptr2++);
colour = MAKE_COLOUR(
red, 8, info.red_shift, info.red_mask,
green, 8, info.green_shift, info.green_mask,
blue, 8, info.blue_shift, info.blue_mask);
if (info.is_little_endian) {
for (i=0; i<info.bpp; i+=8) {
*(tile_ptr2++) = (Bit8u)(colour >> i);
}
} else {
for (i=info.bpp-8; i>-8; i-=8) {
*(tile_ptr2++) = (Bit8u)(colour >> i);
}
}
}
if (!BX_VVGA_THIS vbe.half_mode || (r & 1)) {
vid_ptr += pitch;
}
tile_ptr += info.pitch;
}
SET_TILE_UPDATED(BX_VVGA_THIS, xti, yti, 0);
bx_gui->graphics_tile_update_in_place(xc, yc, w, h);
}
}
}
break;
case 32:
for (yc=0, yti = 0; yc<iHeight; yc+=Y_TILESIZE, yti++) {
for (xc=0, xti = 0; xc<iWidth; xc+=X_TILESIZE, xti++) {
if (GET_TILE_UPDATED (xti, yti)) {
if (BX_VVGA_THIS vbe.half_mode) {
vid_ptr = disp_ptr + ((yc >> 1) * pitch + (xc << 2));
} else {
vid_ptr = disp_ptr + (yc * pitch + (xc << 2));
}
tile_ptr = bx_gui->graphics_tile_get(xc, yc, &w, &h);
for (r=0; r<h; r++) {
vid_ptr2 = vid_ptr;
tile_ptr2 = tile_ptr;
for (c=0; c<w; c++) {
blue = *(vid_ptr2++);
green = *(vid_ptr2++);
red = *(vid_ptr2++);
vid_ptr2++;
colour = MAKE_COLOUR(
red, 8, info.red_shift, info.red_mask,
green, 8, info.green_shift, info.green_mask,
blue, 8, info.blue_shift, info.blue_mask);
if (info.is_little_endian) {
for (i=0; i<info.bpp; i+=8) {
*(tile_ptr2++) = (Bit8u)(colour >> i);
}
} else {
for (i=info.bpp-8; i>-8; i-=8) {
*(tile_ptr2++) = (Bit8u)(colour >> i);
}
}
}
if (!BX_VVGA_THIS vbe.half_mode || (r & 1)) {
vid_ptr += pitch;
}
tile_ptr += info.pitch;
}
SET_TILE_UPDATED(BX_VVGA_THIS, xti, yti, 0);
bx_gui->graphics_tile_update_in_place(xc, yc, w, h);
}
}
}
break;
default:
BX_ERROR(("Ignoring reserved pixel format"));
}
}
} else {
BX_PANIC(("cannot get svga tile info"));
}
} else {
BX_VVGA_THIS bx_vgacore_c::update();
}
}
Bit32u bx_voodoo_vga_c::banshee_read_handler(void *this_ptr, Bit32u address, unsigned io_len)
{
UNUSED(this_ptr);
Bit32u value;
if ((io_len == 2) && ((address & 1) == 0)) {
value = banshee_read_handler(theVoodooVga,address,1);
value |= (banshee_read_handler(theVoodooVga,address+1,1) << 8);
return value;
}
if (BX_VVGA_THIS s.misc_output.color_emulation && (address == 0x03b5))
return 0xff;
if (!BX_VVGA_THIS s.misc_output.color_emulation && (address == 0x03d5))
return 0xff;
switch (address) {
case 0x03b5:
case 0x03d5:
if (BX_VVGA_THIS s.CRTC.address > 0x18) {
if (BX_VVGA_THIS s.CRTC.address <= 0x26) {
if ((v->banshee.io[io_vgaInit0] & 0x440) == 0x040) {
value = v->banshee.crtc[BX_VVGA_THIS s.CRTC.address];
BX_DEBUG(("read from banshee CRTC address 0x%02x value 0x%02x",
BX_VVGA_THIS s.CRTC.address, value));
} else {
value = 0xff;
}
} else {
value = 0xff;
}
break;
}
default:
value = bx_vgacore_c::read_handler(BX_VVGA_THIS_PTR, address, io_len);
}
return value;
}
void bx_voodoo_vga_c::banshee_write_handler(void *this_ptr, Bit32u address, Bit32u value, unsigned io_len)
{
UNUSED(this_ptr);
if ((io_len == 2) && ((address & 1) == 0)) {
banshee_write_handler(theVoodooVga,address,value & 0xff,1);
banshee_write_handler(theVoodooVga,address+1,value >> 8,1);
return;
}
if (BX_VVGA_THIS s.misc_output.color_emulation && (address == 0x03b5))
return;
if (!BX_VVGA_THIS s.misc_output.color_emulation && (address == 0x03d5))
return;
switch (address) {
case 0x0102:
case 0x46e8:
// TODO
break;
case 0x03b5:
case 0x03d5:
if (BX_VVGA_THIS s.CRTC.address > 0x18) {
if (BX_VVGA_THIS s.CRTC.address <= 0x26) {
if ((v->banshee.io[io_vgaInit0] & 0x440) == 0x040) {
BX_DEBUG(("write to banshee CRTC address 0x%02x value 0x%02x",
BX_VVGA_THIS s.CRTC.address, value));
v->banshee.crtc[BX_VVGA_THIS s.CRTC.address] = (Bit8u)value;
}
}
break;
}
default:
bx_vgacore_c::write_handler(theVoodooVga, address, value, io_len);
}
}
Bit8u bx_voodoo_vga_c::mem_read(bx_phy_address addr)
{
Bit32u offset = ((v->banshee.io[io_vgaInit1] & 0xffc00) << 5) + (addr & 0x1ffff);
bx_bool chain4 = ((v->banshee.io[io_vgaInit1] >> 20) & 1);
if (chain4) {
return v->fbi.ram[offset & v->fbi.mask];
} else {
return bx_vgacore_c::mem_read(addr);
}
}
void bx_voodoo_vga_c::mem_write(bx_phy_address addr, Bit8u value)
{
bx_bool chain4 = ((v->banshee.io[io_vgaInit1] >> 20) & 1);
Bit32u offset, start, end, pitch;
unsigned xti, yti;
if (chain4) {
offset = (((v->banshee.io[io_vgaInit1] & 0x3ff) << 15) + (addr & 0x1ffff)) & v->fbi.mask;
v->fbi.ram[offset] = value;
start = v->banshee.io[io_vidDesktopStartAddr] & v->fbi.mask;
pitch = v->banshee.io[io_vidDesktopOverlayStride] & 0x7fff;
end = start + pitch * v->fbi.height;
if ((offset >= start) && (offset < end)) {
offset -= start;
if (BX_VVGA_THIS vbe.half_mode) {
yti = (offset / pitch) / (Y_TILESIZE / 2);
} else {
yti = (offset / pitch) / Y_TILESIZE;
}
xti = ((offset % pitch) / (BX_VVGA_THIS vbe.bpp >> 3)) / X_TILESIZE;
SET_TILE_UPDATED(BX_VVGA_THIS, xti, yti, 1);
}
} else {
bx_vgacore_c::mem_write(addr, value);
}
}
#endif // BX_SUPPORT_PCI && BX_SUPPORT_VOODOO
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