/* vga.c -- Definition of types and structures for VGA/LCD
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/* vga.c -- Definition of types and structures for VGA/LCD
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Copyright (C) 2001 Marko Mlinar, markom@opencores.org
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Copyright (C) 2001 Marko Mlinar, markom@opencores.org
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This file is part of OpenRISC 1000 Architectural Simulator.
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This file is part of OpenRISC 1000 Architectural Simulator.
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This program is free software; you can redistribute it and/or modify
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
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#include <stdio.h>
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#include <stdio.h>
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#include <string.h>
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#include "config.h"
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#include "config.h"
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#ifdef HAVE_INTTYPES_H
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#ifdef HAVE_INTTYPES_H
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#include <inttypes.h>
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#include <inttypes.h>
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#endif
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#endif
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#include "port.h"
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#include "port.h"
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#include "arch.h"
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#include "arch.h"
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#include "sim-config.h"
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#include "sim-config.h"
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#include "vga.h"
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#include "vga.h"
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#include "abstract.h"
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#include "abstract.h"
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#include "sched.h"
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#include "sched.h"
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/* When this counter reaches config.vgas[].refresh_rate, a screenshot is taken and outputted */
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/* When this counter reaches config.vgas[].refresh_rate, a screenshot is taken and outputted */
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static struct {
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static struct {
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int pics;
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int pics;
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unsigned long ctrl, stat, htim, vtim;
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unsigned long ctrl, stat, htim, vtim;
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int vbindex;
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int vbindex;
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unsigned long vbar[2];
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unsigned long vbar[2];
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unsigned hlen, vlen;
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unsigned hlen, vlen;
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int pindex;
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int pindex;
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unsigned long palette[2][256];
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unsigned long palette[2][256];
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} vga[MAX_VGAS];
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} vga[MAX_VGAS];
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/* Write a register */
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/* Write a register */
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void vga_write32(oraddr_t addr, uint32_t value)
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void vga_write32(oraddr_t addr, uint32_t value)
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{
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{
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int i, found = -1;
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int i, found = -1;
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/* Find which controller this is */
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/* Find which controller this is */
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for (i = 0; i < config.nvgas; i++ ) {
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for (i = 0; i < config.nvgas; i++ ) {
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if ((addr >= config.vgas[i].baseaddr) && (addr < config.vgas[i].baseaddr + VGA_ADDR_SPACE)) {
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if ((addr >= config.vgas[i].baseaddr) && (addr < config.vgas[i].baseaddr + VGA_ADDR_SPACE)) {
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found = i;
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found = i;
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break;
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break;
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}
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}
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}
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}
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if (found < 0) {
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if (found < 0) {
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fprintf( stderr, "vga_write32( 0x%"PRIxADDR" ): Out of range\n", addr);
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fprintf( stderr, "vga_write32( 0x%"PRIxADDR" ): Out of range\n", addr);
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runtime.sim.cont_run = 0;
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runtime.sim.cont_run = 0;
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return;
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return;
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}
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}
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addr -= config.vgas[found].baseaddr;
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addr -= config.vgas[found].baseaddr;
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switch (addr) {
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switch (addr) {
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case VGA_CTRL: vga[found].ctrl = value; break;
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case VGA_CTRL: vga[found].ctrl = value; break;
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case VGA_STAT: vga[found].stat = value; break;
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case VGA_STAT: vga[found].stat = value; break;
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case VGA_HTIM: vga[found].htim = value; break;
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case VGA_HTIM: vga[found].htim = value; break;
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case VGA_VTIM: vga[found].vtim = value; break;
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case VGA_VTIM: vga[found].vtim = value; break;
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case VGA_HVLEN: vga[found].hlen = (value >> 16) + 2; vga[found].hlen = (value & 0xffff) + 2; break;
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case VGA_HVLEN: vga[found].hlen = (value >> 16) + 2; vga[found].hlen = (value & 0xffff) + 2; break;
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case VGA_VBARA: vga[found].vbar[0] = value; break;
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case VGA_VBARA: vga[found].vbar[0] = value; break;
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case VGA_VBARB: vga[found].vbar[1] = value; break;
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case VGA_VBARB: vga[found].vbar[1] = value; break;
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default:
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default:
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if (addr >= VGA_CLUTA && addr < VGA_CLUTB) {
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if (addr >= VGA_CLUTA && addr < VGA_CLUTB) {
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vga[found].palette[0][addr - VGA_CLUTA] = value & 0x00ffffff;
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vga[found].palette[0][addr - VGA_CLUTA] = value & 0x00ffffff;
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} else if (addr >= VGA_CLUTB) {
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} else if (addr >= VGA_CLUTB) {
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vga[found].palette[1][addr - VGA_CLUTB] = value & 0x00ffffff;
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vga[found].palette[1][addr - VGA_CLUTB] = value & 0x00ffffff;
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} else {
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} else {
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fprintf( stderr, "vga_write32( 0x%"PRIxADDR", 0x%08"PRIx32" ): Out of range\n", addr + config.vgas[found].baseaddr, value);
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fprintf( stderr, "vga_write32( 0x%"PRIxADDR", 0x%08"PRIx32" ): Out of range\n", addr + config.vgas[found].baseaddr, value);
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runtime.sim.cont_run = 0;
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runtime.sim.cont_run = 0;
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return;
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return;
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}
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}
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break;
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break;
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}
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}
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}
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}
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/* Read a register */
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/* Read a register */
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uint32_t vga_read32(oraddr_t addr)
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uint32_t vga_read32(oraddr_t addr)
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{
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{
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int i, found = -1;
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int i, found = -1;
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/* Find which controller this is */
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/* Find which controller this is */
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for (i = 0; i < config.nvgas; i++ ) {
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for (i = 0; i < config.nvgas; i++ ) {
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if ((addr >= config.vgas[i].baseaddr) && (addr < config.vgas[i].baseaddr + VGA_ADDR_SPACE)) {
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if ((addr >= config.vgas[i].baseaddr) && (addr < config.vgas[i].baseaddr + VGA_ADDR_SPACE)) {
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found = i;
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found = i;
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break;
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break;
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}
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}
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}
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}
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if (found < 0) {
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if (found < 0) {
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fprintf( stderr, "vga_read32( 0x%"PRIxADDR" ): Out of range\n", addr);
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fprintf( stderr, "vga_read32( 0x%"PRIxADDR" ): Out of range\n", addr);
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runtime.sim.cont_run = 0;
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runtime.sim.cont_run = 0;
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return 0;
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return 0;
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}
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}
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addr -= config.vgas[found].baseaddr;
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addr -= config.vgas[found].baseaddr;
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switch (addr) {
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switch (addr) {
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case VGA_CTRL: return vga[found].ctrl;
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case VGA_CTRL: return vga[found].ctrl;
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case VGA_STAT: return vga[found].stat;
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case VGA_STAT: return vga[found].stat;
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case VGA_HTIM: return vga[found].htim;
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case VGA_HTIM: return vga[found].htim;
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case VGA_VTIM: return vga[found].vtim;
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case VGA_VTIM: return vga[found].vtim;
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case VGA_HVLEN: return ((vga[found].hlen - 2) << 16) | (vga[found].vlen - 2);
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case VGA_HVLEN: return ((vga[found].hlen - 2) << 16) | (vga[found].vlen - 2);
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case VGA_VBARA: return vga[found].vbar[0];
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case VGA_VBARA: return vga[found].vbar[0];
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case VGA_VBARB: return vga[found].vbar[1];
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case VGA_VBARB: return vga[found].vbar[1];
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default:
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default:
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if (addr >= VGA_CLUTA && addr < VGA_CLUTB) {
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if (addr >= VGA_CLUTA && addr < VGA_CLUTB) {
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return vga[found].palette[0][addr - VGA_CLUTA];
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return vga[found].palette[0][addr - VGA_CLUTA];
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} else if (addr >= VGA_CLUTB) {
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} else if (addr >= VGA_CLUTB) {
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return vga[found].palette[1][addr - VGA_CLUTB];
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return vga[found].palette[1][addr - VGA_CLUTB];
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} else {
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} else {
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fprintf( stderr, "vga_read32( 0x%"PRIxADDR" ): Out of range\n", addr);
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fprintf( stderr, "vga_read32( 0x%"PRIxADDR" ): Out of range\n", addr);
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runtime.sim.cont_run = 0;
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runtime.sim.cont_run = 0;
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return 0;
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return 0;
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}
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}
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break;
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break;
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}
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}
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return 0;
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return 0;
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}
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}
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/* This code will only work on little endian machines */
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/* This code will only work on little endian machines */
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#ifdef __BIG_ENDIAN__
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#ifdef __BIG_ENDIAN__
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#warning Image dump not supported on big endian machines
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#warning Image dump not supported on big endian machines
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static int vga_dump_image (char *filename, int v)
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static int vga_dump_image (char *filename, int v)
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{
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{
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return 1;
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return 1;
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}
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}
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#else
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#else
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typedef struct {
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typedef struct {
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unsigned short int type; /* Magic identifier */
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unsigned short int type; /* Magic identifier */
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unsigned int size; /* File size in bytes */
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unsigned int size; /* File size in bytes */
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unsigned short int reserved1, reserved2;
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unsigned short int reserved1, reserved2;
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unsigned int offset; /* Offset to image data, bytes */
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unsigned int offset; /* Offset to image data, bytes */
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} BMP_HEADER;
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} BMP_HEADER;
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typedef struct {
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typedef struct {
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unsigned int size; /* Header size in bytes */
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unsigned int size; /* Header size in bytes */
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int width,height; /* Width and height of image */
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int width,height; /* Width and height of image */
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unsigned short int planes; /* Number of colour planes */
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unsigned short int planes; /* Number of colour planes */
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unsigned short int bits; /* Bits per pixel */
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unsigned short int bits; /* Bits per pixel */
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unsigned int compression; /* Compression type */
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unsigned int compression; /* Compression type */
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unsigned int imagesize; /* Image size in bytes */
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unsigned int imagesize; /* Image size in bytes */
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int xresolution,yresolution; /* Pixels per meter */
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int xresolution,yresolution; /* Pixels per meter */
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unsigned int ncolours; /* Number of colours */
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unsigned int ncolours; /* Number of colours */
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unsigned int importantcolours; /* Important colours */
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unsigned int importantcolours; /* Important colours */
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} INFOHEADER;
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} INFOHEADER;
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/* Dumps a bmp file, based on current image */
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/* Dumps a bmp file, based on current image */
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static int vga_dump_image (char *filename, int v)
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static int vga_dump_image (char *filename, int v)
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{
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{
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int sx = vga[v].hlen;
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int sx = vga[v].hlen;
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int sy = vga[v].vlen;
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int sy = vga[v].vlen;
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int i, x, y;
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int i, x, y;
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int pc = vga[v].ctrl & VGA_CTRL_PC;
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int pc = vga[v].ctrl & VGA_CTRL_PC;
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int rbpp = vga[v].ctrl & VGA_CTRL_CD;
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int rbpp = vga[v].ctrl & VGA_CTRL_CD;
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int bpp = rbpp >> 8;
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int bpp = rbpp >> 8;
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BMP_HEADER bh;
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BMP_HEADER bh;
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INFOHEADER ih;
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INFOHEADER ih;
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FILE *fo;
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FILE *fo;
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if (!sx || !sy) return;
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if (!sx || !sy) return;
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/* 16bpp and 32 bpp will be converted to 24bpp */
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/* 16bpp and 32 bpp will be converted to 24bpp */
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if (bpp == 1 || bpp == 3) bpp = 2;
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if (bpp == 1 || bpp == 3) bpp = 2;
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bh.type = 19778; /* BM */
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bh.type = 19778; /* BM */
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bh.size = sizeof (BMP_HEADER) + sizeof (INFOHEADER) + sx * sy * (bpp * 4 + 4) + (pc ? 1024 : 0);
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bh.size = sizeof (BMP_HEADER) + sizeof (INFOHEADER) + sx * sy * (bpp * 4 + 4) + (pc ? 1024 : 0);
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bh.reserved1 = bh.reserved2 = 0;
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bh.reserved1 = bh.reserved2 = 0;
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bh.offset = sizeof (BMP_HEADER) + sizeof (INFOHEADER) + (pc ? 1024 : 0);
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bh.offset = sizeof (BMP_HEADER) + sizeof (INFOHEADER) + (pc ? 1024 : 0);
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ih.size = sizeof (INFOHEADER);
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ih.size = sizeof (INFOHEADER);
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ih.width = sx; ih.height = sy;
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ih.width = sx; ih.height = sy;
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ih.planes = 1; ih.bits = bpp * 4 + 4;
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ih.planes = 1; ih.bits = bpp * 4 + 4;
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ih.compression = 0; ih.imagesize = x * y * (bpp * 4 + 4);
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ih.compression = 0; ih.imagesize = x * y * (bpp * 4 + 4);
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ih.xresolution = ih.yresolution = 0;
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ih.xresolution = ih.yresolution = 0;
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ih.ncolours = 0; /* should be generated */
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ih.ncolours = 0; /* should be generated */
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ih.importantcolours = 0; /* all are important */
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ih.importantcolours = 0; /* all are important */
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fo = fopen (filename, "wb+");
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fo = fopen (filename, "wb+");
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if (!fwrite (&bh, sizeof (BMP_HEADER), 1, fo)) return 1;
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if (!fwrite (&bh, sizeof (BMP_HEADER), 1, fo)) return 1;
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if (!fwrite (&ih, sizeof (INFOHEADER), 1, fo)) return 1;
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if (!fwrite (&ih, sizeof (INFOHEADER), 1, fo)) return 1;
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if (pc) { /* Write palette? */
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if (pc) { /* Write palette? */
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for (i = 0; i < 256; i++) {
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for (i = 0; i < 256; i++) {
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unsigned long val, d;
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unsigned long val, d;
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d = vga[v].palette[vga[v].pindex][i];
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d = vga[v].palette[vga[v].pindex][i];
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val = (d >> 0) & 0xff; /* Blue */
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val = (d >> 0) & 0xff; /* Blue */
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val |= (d >> 8) & 0xff; /* Green */
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val |= (d >> 8) & 0xff; /* Green */
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val |= (d >> 16) & 0xff; /* Red */
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val |= (d >> 16) & 0xff; /* Red */
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if (!fwrite (&val, sizeof (val), 1, fo)) return 1;
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if (!fwrite (&val, sizeof (val), 1, fo)) return 1;
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}
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}
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}
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}
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/* Data is stored upside down */
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/* Data is stored upside down */
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for (y = sy - 1; y >= 0; y--) {
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for (y = sy - 1; y >= 0; y--) {
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int align = 4 - ((bpp + 1) * sx) % 4;
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int align = 4 - ((bpp + 1) * sx) % 4;
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int zero = 0;
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int zero = 0;
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for (x = 0; x < sx; x++) {
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for (x = 0; x < sx; x++) {
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unsigned long pixel = evalsim_mem32 (vga[v].vbar[vga[v].vbindex] + (y * sx + x) * (bpp + 1));
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unsigned long pixel = evalsim_mem32 (vga[v].vbar[vga[v].vbindex] + (y * sx + x) * (bpp + 1));
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if (!fwrite (&pixel, sizeof (pixel), 1, fo)) return 1;
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if (!fwrite (&pixel, sizeof (pixel), 1, fo)) return 1;
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}
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}
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if (!fwrite (&zero, align, 1, fo)) return 1;
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if (!fwrite (&zero, align, 1, fo)) return 1;
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}
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}
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fclose (fo);
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fclose (fo);
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return 0;
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return 0;
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}
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}
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#endif /* !__BIG_ENDIAN__ */
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#endif /* !__BIG_ENDIAN__ */
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void vga_job (int param)
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void vga_job (int param)
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{
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{
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/* dump the image? */
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/* dump the image? */
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char temp[STR_SIZE];
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char temp[STR_SIZE];
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sprintf (temp, "%s%04i.bmp", config.vgas[param].filename, vga[param].pics++);
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sprintf (temp, "%s%04i.bmp", config.vgas[param].filename, vga[param].pics++);
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vga_dump_image (temp, param);
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vga_dump_image (temp, param);
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SCHED_ADD(vga_job, param, runtime.sim.cycles + config.vgas[param].refresh_rate);
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SCHED_ADD(vga_job, param, runtime.sim.cycles + config.vgas[param].refresh_rate);
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}
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}
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/* Reset all VGAs */
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/* Reset all VGAs */
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void vga_reset ()
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void vga_reset ()
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{
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{
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int i, j;
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int i, j;
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for (i = 0; i < config.nvgas; i++) {
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for (i = 0; i < config.nvgas; i++) {
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/* Init palette */
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/* Init palette */
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for (j = 0; j < 256; j++)
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for (j = 0; j < 256; j++)
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vga[i].palette[0][j] = vga[i].palette[1][j] = 0;
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vga[i].palette[0][j] = vga[i].palette[1][j] = 0;
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vga[i].ctrl = vga[i].stat = vga[i].htim = vga[i].vtim = 0;
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vga[i].ctrl = vga[i].stat = vga[i].htim = vga[i].vtim = 0;
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vga[i].hlen = vga[i].vlen = 0;
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vga[i].hlen = vga[i].vlen = 0;
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vga[i].vbar[0] = vga[i].vbar[1] = 0;
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vga[i].vbar[0] = vga[i].vbar[1] = 0;
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/* Init screen dumping machine */
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/* Init screen dumping machine */
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vga[i].pics = 0;
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vga[i].pics = 0;
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vga[i].pindex = 0;
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vga[i].pindex = 0;
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vga[i].vbindex = 0;
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vga[i].vbindex = 0;
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if (config.vgas[i].baseaddr)
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if (config.vgas[i].baseaddr)
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register_memoryarea(config.vgas[i].baseaddr, VGA_ADDR_SPACE, 4, 0, vga_read32, vga_write32);
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register_memoryarea(config.vgas[i].baseaddr, VGA_ADDR_SPACE, 4, 0, vga_read32, vga_write32);
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SCHED_ADD(vga_job, i, runtime.sim.cycles + config.vgas[i].refresh_rate);
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SCHED_ADD(vga_job, i, runtime.sim.cycles + config.vgas[i].refresh_rate);
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}
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}
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}
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}
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/*----------------------------------------------------[ VGA Configuration ]---*/
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void vga_nvgas(union param_val val, void *dat)
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{
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if (val.int_val >= 0 && val.int_val < MAX_VGAS)
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config.nvgas = val.int_val;
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else
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CONFIG_ERROR("invalid number of devices.");
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}
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void vga_baseaddr(union param_val val, void *dat)
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{
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if (current_device >= 0 && current_device < config.nvgas)
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config.vgas[current_device].baseaddr = val.addr_val;
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else
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CONFIG_ERROR("invalid device number.");
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}
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void vga_irq(union param_val val, void *dat)
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{
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if (current_device >= 0 && current_device < config.nvgas)
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config.vgas[current_device].irq = val.int_val;
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else
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CONFIG_ERROR("invalid device number.");
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}
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void vga_refresh_rate(union param_val val, void *dat)
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{
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if (current_device >= 0 && current_device < config.nvgas)
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config.vgas[current_device].refresh_rate = val.int_val;
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else
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CONFIG_ERROR("invalid device number.");
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}
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void vga_filename(union param_val val, void *dat)
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{
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if (current_device >= 0 && current_device < config.nvgas)
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strcpy (config.vgas[current_device].filename, val.str_val);
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else
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CONFIG_ERROR("invalid device number.");
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}
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void reg_vga_sec(void)
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{
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struct config_section *sec = reg_config_sec("vga", NULL, NULL);
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reg_config_param(sec, "nvgas", paramt_int, vga_nvgas);
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reg_config_param(sec, "device", paramt_int, change_device);
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reg_config_param(sec, "baseaddr", paramt_addr, vga_baseaddr);
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reg_config_param(sec, "irq", paramt_int, vga_irq);
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reg_config_param(sec, "refresh_rate", paramt_int, vga_refresh_rate);
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reg_config_param(sec, "filename", paramt_str, vga_filename);
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reg_config_param(sec, "enddevice", paramt_none, end_device);
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|
}
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No newline at end of file
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No newline at end of file
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