| Line 1... |
Line 1... |
/* vga.c -- Definition of types and structures for VGA/LCD
|
/* vga.c -- Definition of types and structures for VGA/LCD
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|
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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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Copyright (C) 2008 Embecosm Limited
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|
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This file is part of OpenRISC 1000 Architectural Simulator.
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Contributor Jeremy Bennett <jeremy.bennett@embecosm.com>
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|
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This program is free software; you can redistribute it and/or modify
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This file is part of Or1ksim, the OpenRISC 1000 Architectural Simulator.
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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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(at your option) any later version.
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|
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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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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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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
|
|
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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|
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#include <stdio.h>
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This program is free software; you can redistribute it and/or modify it
|
#include <string.h>
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under the terms of the GNU General Public License as published by the Free
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Software Foundation; either version 3 of the License, or (at your option)
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any later version.
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#include "config.h"
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This program is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
|
|
more details.
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|
|
You should have received a copy of the GNU General Public License along
|
|
with this program. If not, see <http://www.gnu.org/licenses/>. */
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|
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/* This program is commented throughout in a fashion suitable for processing
|
|
with Doxygen. */
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|
|
#ifdef HAVE_INTTYPES_H
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#include <inttypes.h>
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#endif
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|
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/* Autoconf and/or portability configuration */
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#include "config.h"
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#include "port.h"
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#include "port.h"
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|
|
|
/* System includes */
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|
#include <stdlib.h>
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#include <stdio.h>
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|
|
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/* Package includes */
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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 "abstract.h"
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#include "abstract.h"
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#include "sched.h"
|
#include "sched.h"
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#include "toplevel-support.h"
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|
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|
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#define VGA_CTRL 0x00 /* Control Register */
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#define VGA_STAT 0x04 /* Status Register */
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#define VGA_HTIM 0x08 /* Horizontal Timing Register */
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#define VGA_VTIM 0x0c /* Vertical Timing Register */
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#define VGA_HVLEN 0x10 /* Horizontal and Vertical Length Register */
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#define VGA_VBARA 0x14 /* Video Memory Base Address Register A */
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#define VGA_VBARB 0x18 /* Video Memory Base Address Register B */
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#define VGA_CLUTA 0x800
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#define VGA_CLUTB 0xc00
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#define VGA_MASK 0xfff
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#define VGA_ADDR_SPACE 1024
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|
|
|
|
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/* List of implemented registers; all other are ignored. */
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|
|
|
/* Control Register */
|
|
#define VGA_CTRL_VEN 0x00000001 /* Video Enable */
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#define VGA_CTRL_CD 0x00000300 /* Color Depth */
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#define VGA_CTRL_PC 0x00000400 /* Pseudo Color */
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|
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/* Status Register */
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/* Horiz. Timing Register */
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/* Vert. Timing Register */
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/* Horiz. and Vert. Length Register */
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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 */
|
struct vga_state {
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struct vga_state
|
|
{
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int enabled;
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int enabled;
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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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| Line 49... |
Line 82... |
char *filename;
|
char *filename;
|
};
|
};
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|
|
|
/* Write a register */
|
/* Write a register */
|
void vga_write32(oraddr_t addr, uint32_t value, void *dat)
|
void
|
|
vga_write32 (oraddr_t addr, uint32_t value, void *dat)
|
{
|
{
|
struct vga_state *vga = dat;
|
struct vga_state *vga = dat;
|
|
|
switch (addr) {
|
switch (addr)
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case VGA_CTRL: vga->ctrl = value; break;
|
{
|
case VGA_STAT: vga->stat = value; break;
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case VGA_CTRL:
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case VGA_HTIM: vga->htim = value; break;
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vga->ctrl = value;
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case VGA_VTIM: vga->vtim = value; break;
|
break;
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case VGA_HVLEN: vga->hlen = (value >> 16) + 2; vga->hlen = (value & 0xffff) + 2; break;
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case VGA_STAT:
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case VGA_VBARA: vga->vbar[0] = value; break;
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vga->stat = value;
|
case VGA_VBARB: vga->vbar[1] = value; break;
|
break;
|
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case VGA_HTIM:
|
|
vga->htim = value;
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break;
|
|
case VGA_VTIM:
|
|
vga->vtim = value;
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|
break;
|
|
case VGA_HVLEN:
|
|
vga->hlen = (value >> 16) + 2;
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vga->hlen = (value & 0xffff) + 2;
|
|
break;
|
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case VGA_VBARA:
|
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vga->vbar[0] = value;
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|
break;
|
|
case VGA_VBARB:
|
|
vga->vbar[1] = value;
|
|
break;
|
default:
|
default:
|
if (addr >= VGA_CLUTA && addr < VGA_CLUTB) {
|
if (addr >= VGA_CLUTA && addr < VGA_CLUTB)
|
|
{
|
vga->palette[0][addr - VGA_CLUTA] = value & 0x00ffffff;
|
vga->palette[0][addr - VGA_CLUTA] = value & 0x00ffffff;
|
} else if (addr >= VGA_CLUTB) {
|
}
|
|
else if (addr >= VGA_CLUTB)
|
|
{
|
vga->palette[1][addr - VGA_CLUTB] = value & 0x00ffffff;
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vga->palette[1][addr - VGA_CLUTB] = value & 0x00ffffff;
|
} else {
|
}
|
fprintf( stderr, "vga_write32( 0x%"PRIxADDR", 0x%08"PRIx32" ): Out of range\n", addr + vga->baseaddr, value);
|
else
|
|
{
|
|
fprintf (stderr,
|
|
"vga_write32( 0x%" PRIxADDR ", 0x%08" PRIx32
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|
" ): Out of range\n", addr + vga->baseaddr, value);
|
return;
|
return;
|
}
|
}
|
break;
|
break;
|
}
|
}
|
}
|
}
|
|
|
/* Read a register */
|
/* Read a register */
|
uint32_t vga_read32(oraddr_t addr, void *dat)
|
uint32_t
|
|
vga_read32 (oraddr_t addr, void *dat)
|
{
|
{
|
struct vga_state *vga = dat;
|
struct vga_state *vga = dat;
|
|
|
switch (addr) {
|
switch (addr)
|
case VGA_CTRL: return vga->ctrl;
|
{
|
case VGA_STAT: return vga->stat;
|
case VGA_CTRL:
|
case VGA_HTIM: return vga->htim;
|
return vga->ctrl;
|
case VGA_VTIM: return vga->vtim;
|
case VGA_STAT:
|
case VGA_HVLEN: return ((vga->hlen - 2) << 16) | (vga->vlen - 2);
|
return vga->stat;
|
case VGA_VBARA: return vga->vbar[0];
|
case VGA_HTIM:
|
case VGA_VBARB: return vga->vbar[1];
|
return vga->htim;
|
|
case VGA_VTIM:
|
|
return vga->vtim;
|
|
case VGA_HVLEN:
|
|
return ((vga->hlen - 2) << 16) | (vga->vlen - 2);
|
|
case VGA_VBARA:
|
|
return vga->vbar[0];
|
|
case VGA_VBARB:
|
|
return vga->vbar[1];
|
default:
|
default:
|
if (addr >= VGA_CLUTA && addr < VGA_CLUTB) {
|
if (addr >= VGA_CLUTA && addr < VGA_CLUTB)
|
|
{
|
return vga->palette[0][addr - VGA_CLUTA];
|
return vga->palette[0][addr - VGA_CLUTA];
|
} else if (addr >= VGA_CLUTB) {
|
}
|
|
else if (addr >= VGA_CLUTB)
|
|
{
|
return vga->palette[1][addr - VGA_CLUTB];
|
return vga->palette[1][addr - VGA_CLUTB];
|
} else {
|
}
|
fprintf( stderr, "vga_read32( 0x%"PRIxADDR" ): Out of range\n", addr);
|
else
|
|
{
|
|
fprintf (stderr, "vga_read32( 0x%" PRIxADDR " ): Out of range\n",
|
|
addr);
|
return 0;
|
return 0;
|
}
|
}
|
break;
|
break;
|
}
|
}
|
return 0;
|
return 0;
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| Line 105... |
Line 177... |
|
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/* This code will only work on little endian machines */
|
/* This code will only work on little endian machines */
|
#ifdef __BIG_ENDIAN__
|
#ifdef __BIG_ENDIAN__
|
#warning Image dump not supported on big endian machines
|
#warning Image dump not supported on big endian machines
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|
|
static int vga_dump_image (char *filename, struct vga_start *vga)
|
static int
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|
vga_dump_image (char *filename, struct vga_start *vga)
|
{
|
{
|
return 1;
|
return 1;
|
}
|
}
|
|
|
#else
|
#else
|
|
|
typedef struct {
|
typedef struct
|
|
{
|
unsigned short int type; /* Magic identifier */
|
unsigned short int type; /* Magic identifier */
|
unsigned int size; /* File size in bytes */
|
unsigned int size; /* File size in bytes */
|
unsigned short int reserved1, reserved2;
|
unsigned short int reserved1, reserved2;
|
unsigned int offset; /* Offset to image data, bytes */
|
unsigned int offset; /* Offset to image data, bytes */
|
} BMP_HEADER;
|
} BMP_HEADER;
|
|
|
typedef struct {
|
typedef struct
|
|
{
|
unsigned int size; /* Header size in bytes */
|
unsigned int size; /* Header size in bytes */
|
int width,height; /* Width and height of image */
|
int width,height; /* Width and height of image */
|
unsigned short int planes; /* Number of colour planes */
|
unsigned short int planes; /* Number of colour planes */
|
unsigned short int bits; /* Bits per pixel */
|
unsigned short int bits; /* Bits per pixel */
|
unsigned int compression; /* Compression type */
|
unsigned int compression; /* Compression type */
|
| Line 133... |
Line 208... |
unsigned int importantcolours; /* Important colours */
|
unsigned int importantcolours; /* Important colours */
|
} INFOHEADER;
|
} INFOHEADER;
|
|
|
|
|
/* Dumps a bmp file, based on current image */
|
/* Dumps a bmp file, based on current image */
|
static int vga_dump_image (char *filename, struct vga_state *vga)
|
static int
|
|
vga_dump_image (char *filename, struct vga_state *vga)
|
{
|
{
|
int sx = vga->hlen;
|
int sx = vga->hlen;
|
int sy = vga->vlen;
|
int sy = vga->vlen;
|
int i, x = 0, y = 0;
|
int i, x = 0, y = 0;
|
int pc = vga->ctrl & VGA_CTRL_PC;
|
int pc = vga->ctrl & VGA_CTRL_PC;
|
| Line 146... |
Line 222... |
|
|
BMP_HEADER bh;
|
BMP_HEADER bh;
|
INFOHEADER ih;
|
INFOHEADER ih;
|
FILE *fo;
|
FILE *fo;
|
|
|
if (!sx || !sy) return 1;
|
if (!sx || !sy)
|
|
return 1;
|
|
|
/* 16bpp and 32 bpp will be converted to 24bpp */
|
/* 16bpp and 32 bpp will be converted to 24bpp */
|
if (bpp == 1 || bpp == 3) bpp = 2;
|
if (bpp == 1 || bpp == 3)
|
|
bpp = 2;
|
|
|
bh.type = 19778; /* BM */
|
bh.type = 19778; /* BM */
|
bh.size = sizeof (BMP_HEADER) + sizeof (INFOHEADER) + sx * sy * (bpp * 4 + 4) + (pc ? 1024 : 0);
|
bh.size =
|
|
sizeof (BMP_HEADER) + sizeof (INFOHEADER) + sx * sy * (bpp * 4 + 4) +
|
|
(pc ? 1024 : 0);
|
bh.reserved1 = bh.reserved2 = 0;
|
bh.reserved1 = bh.reserved2 = 0;
|
bh.offset = sizeof (BMP_HEADER) + sizeof (INFOHEADER) + (pc ? 1024 : 0);
|
bh.offset = sizeof (BMP_HEADER) + sizeof (INFOHEADER) + (pc ? 1024 : 0);
|
|
|
ih.size = sizeof (INFOHEADER);
|
ih.size = sizeof (INFOHEADER);
|
ih.width = sx; ih.height = sy;
|
ih.width = sx;
|
ih.planes = 1; ih.bits = bpp * 4 + 4;
|
ih.height = sy;
|
ih.compression = 0; ih.imagesize = x * y * (bpp * 4 + 4);
|
ih.planes = 1;
|
|
ih.bits = bpp * 4 + 4;
|
|
ih.compression = 0;
|
|
ih.imagesize = x * y * (bpp * 4 + 4);
|
ih.xresolution = ih.yresolution = 0;
|
ih.xresolution = ih.yresolution = 0;
|
ih.ncolours = 0; /* should be generated */
|
ih.ncolours = 0; /* should be generated */
|
ih.importantcolours = 0; /* all are important */
|
ih.importantcolours = 0; /* all are important */
|
|
|
fo = fopen (filename, "wb+");
|
fo = fopen (filename, "wb+");
|
if (!fwrite (&bh, sizeof (BMP_HEADER), 1, fo)) return 1;
|
if (!fwrite (&bh, sizeof (BMP_HEADER), 1, fo))
|
if (!fwrite (&ih, sizeof (INFOHEADER), 1, fo)) return 1;
|
return 1;
|
|
if (!fwrite (&ih, sizeof (INFOHEADER), 1, fo))
|
|
return 1;
|
|
|
if (pc) { /* Write palette? */
|
if (pc)
|
for (i = 0; i < 256; i++) {
|
{ /* Write palette? */
|
|
for (i = 0; i < 256; i++)
|
|
{
|
unsigned long val, d;
|
unsigned long val, d;
|
d = vga->palette[vga->pindex][i];
|
d = vga->palette[vga->pindex][i];
|
val = (d >> 0) & 0xff; /* Blue */
|
val = (d >> 0) & 0xff; /* Blue */
|
val |= (d >> 8) & 0xff; /* Green */
|
val |= (d >> 8) & 0xff; /* Green */
|
val |= (d >> 16) & 0xff; /* Red */
|
val |= (d >> 16) & 0xff; /* Red */
|
if (!fwrite (&val, sizeof (val), 1, fo)) return 1;
|
if (!fwrite (&val, sizeof (val), 1, fo))
|
|
return 1;
|
}
|
}
|
}
|
}
|
|
|
/* Data is stored upside down */
|
/* Data is stored upside down */
|
for (y = sy - 1; y >= 0; y--) {
|
for (y = sy - 1; y >= 0; y--)
|
|
{
|
int align = 4 - ((bpp + 1) * sx) % 4;
|
int align = 4 - ((bpp + 1) * sx) % 4;
|
int zero = 0;
|
int zero = 0;
|
for (x = 0; x < sx; x++) {
|
for (x = 0; x < sx; x++)
|
unsigned long pixel = eval_direct32 (vga->vbar[vga->vbindex] + (y * sx + x) * (bpp + 1), 0, 0);
|
{
|
if (!fwrite (&pixel, sizeof (pixel), 1, fo)) return 1;
|
unsigned long pixel =
|
|
eval_direct32 (vga->vbar[vga->vbindex] + (y * sx + x) * (bpp + 1),
|
|
0, 0);
|
|
if (!fwrite (&pixel, sizeof (pixel), 1, fo))
|
|
return 1;
|
}
|
}
|
if (!fwrite (&zero, align, 1, fo)) return 1;
|
if (!fwrite (&zero, align, 1, fo))
|
|
return 1;
|
}
|
}
|
|
|
fclose (fo);
|
fclose (fo);
|
return 0;
|
return 0;
|
}
|
}
|
#endif /* !__BIG_ENDIAN__ */
|
#endif /* !__BIG_ENDIAN__ */
|
|
|
void vga_job (void *dat)
|
void
|
|
vga_job (void *dat)
|
{
|
{
|
struct vga_state *vga = dat;
|
struct vga_state *vga = dat;
|
/* dump the image? */
|
/* dump the image? */
|
char temp[STR_SIZE];
|
char temp[STR_SIZE];
|
sprintf (temp, "%s%04i.bmp", vga->filename, vga->pics++);
|
sprintf (temp, "%s%04i.bmp", vga->filename, vga->pics++);
|
| Line 207... |
Line 302... |
|
|
SCHED_ADD(vga_job, dat, vga->refresh_rate);
|
SCHED_ADD(vga_job, dat, vga->refresh_rate);
|
}
|
}
|
|
|
/* Reset all VGAs */
|
/* Reset all VGAs */
|
void vga_reset (void *dat)
|
void
|
|
vga_reset (void *dat)
|
{
|
{
|
struct vga_state *vga = dat;
|
struct vga_state *vga = dat;
|
|
|
int i;
|
int i;
|
|
|
| Line 231... |
Line 327... |
|
|
SCHED_ADD(vga_job, dat, vga->refresh_rate);
|
SCHED_ADD(vga_job, dat, vga->refresh_rate);
|
}
|
}
|
|
|
/*----------------------------------------------------[ VGA Configuration ]---*/
|
/*----------------------------------------------------[ VGA Configuration ]---*/
|
static void vga_baseaddr(union param_val val, void *dat)
|
static void
|
|
vga_enabled (union param_val val, void *dat)
|
|
{
|
|
struct vga_state *vga = dat;
|
|
vga->enabled = val.int_val;
|
|
}
|
|
|
|
static void
|
|
vga_baseaddr (union param_val val, void *dat)
|
{
|
{
|
struct vga_state *vga = dat;
|
struct vga_state *vga = dat;
|
vga->baseaddr = val.addr_val;
|
vga->baseaddr = val.addr_val;
|
}
|
}
|
|
|
static void vga_irq(union param_val val, void *dat)
|
static void
|
|
vga_irq (union param_val val, void *dat)
|
{
|
{
|
struct vga_state *vga = dat;
|
struct vga_state *vga = dat;
|
vga->irq = val.int_val;
|
vga->irq = val.int_val;
|
}
|
}
|
|
|
static void vga_refresh_rate(union param_val val, void *dat)
|
static void
|
|
vga_refresh_rate (union param_val val, void *dat)
|
{
|
{
|
struct vga_state *vga = dat;
|
struct vga_state *vga = dat;
|
vga->refresh_rate = val.int_val;
|
vga->refresh_rate = val.int_val;
|
}
|
}
|
|
|
static void vga_filename(union param_val val, void *dat)
|
/*---------------------------------------------------------------------------*/
|
|
/*!Set the VGA output file
|
|
|
|
Free any previously allocated value.
|
|
|
|
@param[in] val The value to use
|
|
@param[in] dat The config data structure */
|
|
/*---------------------------------------------------------------------------*/
|
|
static void
|
|
vga_filename (union param_val val,
|
|
void *dat)
|
{
|
{
|
struct vga_state *vga = dat;
|
struct vga_state *vga = dat;
|
if(!(vga->filename = strdup (val.str_val)));
|
|
|
if (NULL != vga->filename)
|
|
{
|
|
free (vga->filename);
|
|
vga->filename = NULL;
|
}
|
}
|
|
|
static void vga_enabled(union param_val val, void *dat)
|
if (NULL == (vga->filename = strdup (val.str_val)))
|
{
|
{
|
struct vga_state *vga = dat;
|
fprintf (stderr, "ERROR: Out of memory\n");
|
vga->enabled = val.int_val;
|
exit (-1);
|
}
|
}
|
|
|
static void *vga_sec_start(void)
|
} /* vga_filename() */
|
|
|
|
|
|
/*---------------------------------------------------------------------------*/
|
|
/*!Initialize a new VGA configuration
|
|
|
|
ALL parameters are set explicitly to default values. */
|
|
/*---------------------------------------------------------------------------*/
|
|
static void *
|
|
vga_sec_start ()
|
{
|
{
|
struct vga_state *new = malloc(sizeof(struct vga_state));
|
struct vga_state *new = malloc(sizeof(struct vga_state));
|
|
|
if(!new) {
|
if (!new)
|
|
{
|
fprintf(stderr, "Peripheral VGA: Run out of memory\n");
|
fprintf(stderr, "Peripheral VGA: Run out of memory\n");
|
exit(-1);
|
exit(-1);
|
}
|
}
|
|
|
new->baseaddr = 0;
|
|
new->enabled = 1;
|
new->enabled = 1;
|
|
new->baseaddr = 0;
|
|
new->irq = 0;
|
|
new->refresh_rate = 1000000000000ULL / 50ULL / config.sim.clkcycle_ps;
|
|
new->filename = strdup ("vga_out");
|
|
|
return new;
|
return new;
|
}
|
|
|
|
static void vga_sec_end(void *dat)
|
} /* vga_sec_start() */
|
|
|
|
|
|
static void
|
|
vga_sec_end (void *dat)
|
{
|
{
|
struct vga_state *vga = dat;
|
struct vga_state *vga = dat;
|
struct mem_ops ops;
|
struct mem_ops ops;
|
|
if (!vga->enabled)
|
if(!vga->enabled) {
|
{
|
free(dat);
|
free (vga->filename);
|
|
free (vga);
|
return;
|
return;
|
}
|
}
|
|
|
memset(&ops, 0, sizeof(struct mem_ops));
|
memset(&ops, 0, sizeof(struct mem_ops));
|
|
|
ops.readfunc32 = vga_read32;
|
ops.readfunc32 = vga_read32;
|
ops.writefunc32 = vga_write32;
|
ops.writefunc32 = vga_write32;
|
ops.write_dat32 = dat;
|
ops.write_dat32 = dat;
|
ops.read_dat32 = dat;
|
ops.read_dat32 = dat;
|
|
|
/* FIXME: Correct delay? */
|
/* FIXME: Correct delay? */
|
ops.delayr = 2;
|
ops.delayr = 2;
|
ops.delayw = 2;
|
ops.delayw = 2;
|
|
|
reg_mem_area(vga->baseaddr, VGA_ADDR_SPACE, 0, &ops);
|
reg_mem_area(vga->baseaddr, VGA_ADDR_SPACE, 0, &ops);
|
|
|
reg_sim_reset(vga_reset, dat);
|
reg_sim_reset(vga_reset, dat);
|
}
|
}
|
|
|
void reg_vga_sec(void)
|
|
|
/*---------------------------------------------------------------------------*/
|
|
/*!Create a new VGA configuration
|
|
|
|
ALL parameters are set explicitly to default values. Alternative naming for
|
|
file parameter supported. */
|
|
/*---------------------------------------------------------------------------*/
|
|
void
|
|
reg_vga_sec ()
|
{
|
{
|
struct config_section *sec = reg_config_sec("vga", vga_sec_start, vga_sec_end);
|
struct config_section *sec =
|
|
reg_config_sec ("vga", vga_sec_start, vga_sec_end);
|
|
|
reg_config_param(sec, "baseaddr", paramt_addr, vga_baseaddr);
|
reg_config_param(sec, "baseaddr", paramt_addr, vga_baseaddr);
|
reg_config_param(sec, "enabled", paramt_int, vga_enabled);
|
reg_config_param(sec, "enabled", paramt_int, vga_enabled);
|
reg_config_param(sec, "irq", paramt_int, vga_irq);
|
reg_config_param(sec, "irq", paramt_int, vga_irq);
|
reg_config_param(sec, "refresh_rate", paramt_int, vga_refresh_rate);
|
reg_config_param(sec, "refresh_rate", paramt_int, vga_refresh_rate);
|
|
reg_config_param (sec, "txfile", paramt_str, vga_filename);
|
reg_config_param(sec, "filename", paramt_str, vga_filename);
|
reg_config_param(sec, "filename", paramt_str, vga_filename);
|
}
|
|
|
} /* reg_vga_sec() */
|
|
|
|
|
No newline at end of file
|
No newline at end of file
|
