1/1

|
[or1ksim #23] Cleanup VGA peripheral
by Unknown on Feb 4, 2005 |
Not available! | ||
|
Hi,
Changelog says it all.
ChangeLog:
* Cleanup VGA peripheral useing the new callbacks.
nog.
-------------- next part --------------
--- peripheral/vga.c 2005-02-04 12:18:46.000000000 +0100
+++ ../or1ksim-ac/peripheral/vga.c 2005-02-04 15:41:08.000000000 +0100
@@ -34,7 +34,7 @@
#include "sched.h"
/* When this counter reaches config.vgas[].refresh_rate, a screenshot is taken and outputted */
-static struct {
+struct vga_state {
int pics;
unsigned long ctrl, stat, htim, vtim;
int vbindex;
@@ -42,45 +42,35 @@
unsigned hlen, vlen;
int pindex;
unsigned long palette[2][256];
-} vga[MAX_VGAS];
+ oraddr_t baseaddr;
+ int refresh_rate;
+ int irq;
+ char *filename;
+};
/* Write a register */
void vga_write32(oraddr_t addr, uint32_t value, void *dat)
{
- int i, found = -1;
+ struct vga_state *vga = dat;
- /* Find which controller this is */
- for (i = 0; i = config.vgas.baseaddr) && (addr baseaddr;
switch (addr) {
- case VGA_CTRL: vga[found].ctrl = value; break;
- case VGA_STAT: vga[found].stat = value; break;
- case VGA_HTIM: vga[found].htim = value; break;
- case VGA_VTIM: vga[found].vtim = value; break;
- case VGA_HVLEN: vga[found].hlen = (value >> 16) + 2; vga[found].hlen = (value & 0xffff) + 2; break;
- case VGA_VBARA: vga[found].vbar[0] = value; break;
- case VGA_VBARB: vga[found].vbar[1] = value; break;
+ case VGA_CTRL: vga->ctrl = value; break;
+ case VGA_STAT: vga->stat = value; break;
+ case VGA_HTIM: vga->htim = value; break;
+ case VGA_VTIM: vga->vtim = value; break;
+ case VGA_HVLEN: vga->hlen = (value >> 16) + 2; vga->hlen = (value & 0xffff) + 2; break;
+ case VGA_VBARA: vga->vbar[0] = value; break;
+ case VGA_VBARB: vga->vbar[1] = value; break;
default:
if (addr >= VGA_CLUTA && addr palette[0][addr - VGA_CLUTA] = value & 0x00ffffff;
} else if (addr >= VGA_CLUTB) {
- vga[found].palette[1][addr - VGA_CLUTB] = value & 0x00ffffff;
+ vga->palette[1][addr - VGA_CLUTB] = value & 0x00ffffff;
} else {
- fprintf( stderr, "vga_write32( 0x%"PRIxADDR", 0x%08"PRIx32" ): Out of range\n", addr + config.vgas[found].baseaddr, value);
+ fprintf( stderr, "vga_write32( 0x%"PRIxADDR", 0x%08"PRIx32" ): Out of range\n", addr + vga->baseaddr, value);
runtime.sim.cont_run = 0;
return;
}
@@ -91,37 +81,23 @@
/* Read a register */
uint32_t vga_read32(oraddr_t addr, void *dat)
{
- int i, found = -1;
-
- /* Find which controller this is */
- for (i = 0; i = config.vgas.baseaddr) && (addr baseaddr;
switch (addr) {
- case VGA_CTRL: return vga[found].ctrl;
- case VGA_STAT: return vga[found].stat;
- case VGA_HTIM: return vga[found].htim;
- case VGA_VTIM: return vga[found].vtim;
- case VGA_HVLEN: return ((vga[found].hlen - 2) ctrl;
+ case VGA_STAT: return vga->stat;
+ case VGA_HTIM: return vga->htim;
+ case VGA_VTIM: return vga->vtim;
+ case VGA_HVLEN: return ((vga->hlen - 2) vlen - 2);
+ case VGA_VBARA: return vga->vbar[0];
+ case VGA_VBARB: return vga->vbar[1];
default:
if (addr >= VGA_CLUTA && addr palette[0][addr - VGA_CLUTA];
} else if (addr >= VGA_CLUTB) {
- return vga[found].palette[1][addr - VGA_CLUTB];
+ return vga->palette[1][addr - VGA_CLUTB];
} else {
fprintf( stderr, "vga_read32( 0x%"PRIxADDR" ): Out of range\n", addr);
runtime.sim.cont_run = 0;
@@ -136,7 +112,7 @@
#ifdef __BIG_ENDIAN__
#warning Image dump not supported on big endian machines
-static int vga_dump_image (char *filename, int v)
+static int vga_dump_image (char *filename, struct vga_start *vga)
{
return 1;
}
@@ -164,20 +140,20 @@
/* Dumps a bmp file, based on current image */
-static int vga_dump_image (char *filename, int v)
+static int vga_dump_image (char *filename, struct vga_state *vga)
{
- int sx = vga[v].hlen;
- int sy = vga[v].vlen;
+ int sx = vga->hlen;
+ int sy = vga->vlen;
int i, x, y;
- int pc = vga[v].ctrl & VGA_CTRL_PC;
- int rbpp = vga[v].ctrl & VGA_CTRL_CD;
+ int pc = vga->ctrl & VGA_CTRL_PC;
+ int rbpp = vga->ctrl & VGA_CTRL_CD;
int bpp = rbpp >> 8;
BMP_HEADER bh;
INFOHEADER ih;
FILE *fo;
- if (!sx || !sy) return;
+ if (!sx || !sy) return 1;
/* 16bpp and 32 bpp will be converted to 24bpp */
if (bpp == 1 || bpp == 3) bpp = 2;
@@ -202,7 +178,7 @@
if (pc) { /* Write palette? */
for (i = 0; i palette[vga->pindex];
val = (d >> 0) & 0xff; /* Blue */
val |= (d >> 8) & 0xff; /* Green */
val |= (d >> 16) & 0xff; /* Red */
@@ -215,7 +191,7 @@
int align = 4 - ((bpp + 1) * sx) % 4;
int zero = 0;
for (x = 0; x vbar[vga->vbindex] + (y * sx + x) * (bpp + 1));
if (!fwrite (&pixel, sizeof (pixel), 1, fo)) return 1;
}
if (!fwrite (&zero, align, 1, fo)) return 1;
@@ -226,92 +202,96 @@
}
#endif /* !__BIG_ENDIAN__ */
-void vga_job (int param)
+void vga_job (void *dat)
{
+ struct vga_state *vga = dat;
/* dump the image? */
char temp[STR_SIZE];
- sprintf (temp, "%s%04i.bmp", config.vgas[param].filename, vga[param].pics++);
- vga_dump_image (temp, param);
+ sprintf (temp, "%s%04i.bmp", vga->filename, vga->pics++);
+ vga_dump_image (temp, vga);
- SCHED_ADD(vga_job, param, runtime.sim.cycles + config.vgas[param].refresh_rate);
+ SCHED_ADD(vga_job, dat, runtime.sim.cycles + vga->refresh_rate);
}
/* Reset all VGAs */
-void vga_reset ()
+void vga_reset (void *dat)
{
- int i, j;
- for (i = 0; i = 0 && val.int_val palette[0] = vga->palette[1] = 0;
+
+ vga->ctrl = vga->stat = vga->htim = vga->vtim = 0;
+ vga->hlen = vga->vlen = 0;
+ vga->vbar[0] = vga->vbar[1] = 0;
+
+ /* Init screen dumping machine */
+ vga->pics = 0;
+
+ vga->pindex = 0;
+ vga->vbindex = 0;
+
+ SCHED_ADD(vga_job, dat, runtime.sim.cycles + vga->refresh_rate);
}
+/*----------------------------------------------------[ VGA Configuration ]---*/
void vga_baseaddr(union param_val val, void *dat)
{
- if (current_device >= 0 && current_device baseaddr = val.addr_val;
}
void vga_irq(union param_val val, void *dat)
{
- if (current_device >= 0 && current_device irq = val.int_val;
}
void vga_refresh_rate(union param_val val, void *dat)
{
- if (current_device >= 0 && current_device refresh_rate = val.int_val;
}
void vga_filename(union param_val val, void *dat)
{
- if (current_device >= 0 && current_device filename = strdup (val.str_val)));
+}
+
+void *vga_sec_start(void)
+{
+ struct vga_state *new = malloc(sizeof(struct vga_state));
+
+ if(!new) {
+ fprintf(stderr, "Peripheral VGA: Run out of memory\n");
+ exit(-1);
+ }
+
+ new->baseaddr = 0;
+
+ return new;
+}
+
+void vga_sec_end(void *dat)
+{
+ struct vga_state *vga = dat;
+
+ if (vga->baseaddr)
+ register_memoryarea(vga->baseaddr, VGA_ADDR_SPACE, 4, 0, vga_read32, vga_write32, dat);
+
+ reg_sim_reset(vga_reset, dat);
}
void reg_vga_sec(void)
{
- struct config_section *sec = reg_config_sec("vga", NULL, NULL);
+ struct config_section *sec = reg_config_sec("vga", vga_sec_start, vga_sec_end);
- reg_config_param(sec, "nvgas", paramt_int, vga_nvgas);
- reg_config_param(sec, "device", paramt_int, change_device);
reg_config_param(sec, "baseaddr", paramt_addr, vga_baseaddr);
reg_config_param(sec, "irq", paramt_int, vga_irq);
reg_config_param(sec, "refresh_rate", paramt_int, vga_refresh_rate);
reg_config_param(sec, "filename", paramt_str, vga_filename);
- reg_config_param(sec, "enddevice", paramt_none, end_device);
}
--- peripheral/vga.h 2002-04-10 09:10:30.000000000 +0200
+++ ../or1ksim-ac/peripheral/vga.h 2005-02-04 15:34:53.000000000 +0100
@@ -47,7 +47,4 @@
/* Vert. Timing Register */
/* Horiz. and Vert. Length Register */
-/* Reset all VGAs */
-void vga_reset ();
-
#endif /* _VGA_H_ */
--- sim-config.c 2005-02-04 15:48:19.000000000 +0100
+++ ../or1ksim-ac/sim-config.c 2005-02-04 15:39:29.000000000 +0100
@@ -127,9 +129,6 @@
/* DMAs */
config.ndmas = 0;
- /* VGAs */
- config.nvgas = 0;
-
/* Frame buffer */
config.fb.enabled = 0;
--- sim-config.h 2005-02-04 15:48:19.000000000 +0100
+++ ../or1ksim-ac/sim-config.h 2005-02-04 15:50:46.000000000 +0100
@@ -28,7 +28,6 @@
#define MAX_ETHERNETS 4 /* Max. number of Ethernet MACs */
#define MAX_GPIOS 4 /* Max. number of GPIO modules */
#define MAX_MEMORIES 16 /* Max. number of memory devices attached */
-#define MAX_VGAS 4 /* Max. number of VGAs */
#define MAX_ATAS 4 /* Max. number of ATAS */
#define MAX_SBUF_LEN 256 /* Max. length of store buffer */
@@ -71,14 +70,6 @@
unsigned long base_vapi_id; /* First VAPI ID. GPIO uses 8 consecutive IDs */
} gpios[MAX_GPIOS];
- int nvgas;
- struct {
- unsigned long baseaddr; /* Base address */
- int irq; /* IRQ of this device */
- int refresh_rate; /* Number of clocks per refresh */
- char filename[STR_SIZE]; /* Base file name; suffix of ####.bmp is added */
- } vgas[MAX_VGAS];
-
struct {
int enabled; /* Whether frame buffer is enabled */
unsigned long baseaddr; /* Base address of frame buffer register */
--- sim.cfg 2005-02-04 15:48:19.000000000 +0100
+++ ../or1ksim-ac/sim.cfg 2005-02-04 15:40:01.000000000 +0100
@@ -761,10 +761,6 @@
This section configures the VGA/LCD controller
- nvgas =
- number of VGA devices connected
-
- instance specific:
baseaddr =
address of first VGA register
@@ -779,14 +775,10 @@
*/
section vga
- nvgas = 1
-
- device 0
- baseaddr = 0x97100000
- irq = 8
- refresh_rate = 100000
- filename = "primary"
- enddevice
+ baseaddr = 0x97100000
+ irq = 8
+ refresh_rate = 100000
+ filename = "primary"
end
--- toplevel.c 2005-02-04 15:55:48.000000000 +0100
+++ ../or1ksim-ac/toplevel.c 2005-02-04 15:54:32.000000000 +0100
@@ -48,7 +48,6 @@
#include "spr_defs.h"
#include "sprs.h"
#include "dma.h"
-#include "vga.h"
#include "fb.h"
#include "ps2kbd.h"
#include "vapi.h"
@@ -174,7 +173,6 @@
dma_reset();
eth_reset();
gpio_reset();
- vga_reset ();
fb_reset ();
kbd_reset ();
tick_reset();
|
|||
1/1

