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Syborg (Symbian Virtual Platform) board 

A virtual reference platform for SymbianOS development/debugging.

Signed-off-by: Paul Brook <paul@codesourcery.com>
stable-0.11
Paul Brook 17 years ago
parent
dcc5e4a076
commit
4af396115a
13 changed files with 2110 additions and 0 deletions
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  1. 2
      Makefile.target
  2. 3
      hw/boards.h
  3. 91
      hw/syborg.c
  4. 18
      hw/syborg.h
  5. 547
      hw/syborg_fb.c
  6. 227
      hw/syborg_interrupt.c
  7. 234
      hw/syborg_keyboard.c
  8. 233
      hw/syborg_pointer.c
  9. 147
      hw/syborg_rtc.c
  10. 349
      hw/syborg_serial.c
  11. 235
      hw/syborg_timer.c
  12. 23
      qemu-doc.texi
  13. 1
      target-arm/machine.c

2
Makefile.target
View File

@ -655,6 +655,8 @@ OBJS+= nseries.o blizzard.o onenand.o vga.o cbus.o tusb6010.o usb-musb.o
OBJS+= mst_fpga.o mainstone.o
OBJS+= musicpal.o pflash_cfi02.o
OBJS+= framebuffer.o
OBJS+= syborg.o syborg_fb.o syborg_interrupt.o syborg_keyboard.o
OBJS+= syborg_serial.o syborg_timer.o syborg_pointer.o syborg_rtc.o
CPPFLAGS += -DHAS_AUDIO
endif
ifeq ($(TARGET_BASE_ARCH), sh4)

3
hw/boards.h
View File

@ -128,4 +128,7 @@ extern QEMUMachine musicpal_machine;
/* tosa.c */
extern QEMUMachine tosapda_machine;
/* syborg.c */
extern QEMUMachine syborg_machine;
#endif

91
hw/syborg.c
View File

@ -0,0 +1,91 @@
/*
* Syborg (Symbian Virtual Platform) reference board
*
* Copyright (c) 2009 CodeSourcery
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include "sysbus.h"
#include "boards.h"
#include "arm-misc.h"
#include "sysemu.h"
static struct arm_boot_info syborg_binfo;
static void syborg_init(ram_addr_t ram_size,
const char *boot_device,
const char *kernel_filename, const char *kernel_cmdline,
const char *initrd_filename, const char *cpu_model)
{
CPUState *env;
qemu_irq *cpu_pic;
qemu_irq pic[64];
ram_addr_t ram_addr;
DeviceState *dev;
int i;
if (!cpu_model)
cpu_model = "cortex-a8";
env = cpu_init(cpu_model);
if (!env) {
fprintf(stderr, "Unable to find CPU definition\n");
exit(1);
}
/* RAM at address zero. */
ram_addr = qemu_ram_alloc(ram_size);
cpu_register_physical_memory(0, ram_size, ram_addr | IO_MEM_RAM);
cpu_pic = arm_pic_init_cpu(env);
dev = sysbus_create_simple("syborg,interrupt", 0xC0000000,
cpu_pic[ARM_PIC_CPU_IRQ]);
for (i = 0; i < 64; i++) {
pic[i] = qdev_get_irq_sink(dev, i);
}
sysbus_create_simple("syborg,rtc", 0xC0001000, NULL);
dev = qdev_create(NULL, "syborg,timer");
qdev_set_prop_int(dev, "frequency", 1000000);
qdev_init(dev);
sysbus_mmio_map(sysbus_from_qdev(dev), 0, 0xC0002000);
sysbus_connect_irq(sysbus_from_qdev(dev), 0, pic[1]);
sysbus_create_simple("syborg,keyboard", 0xC0003000, pic[2]);
sysbus_create_simple("syborg,pointer", 0xC0004000, pic[3]);
sysbus_create_simple("syborg,framebuffer", 0xC0005000, pic[4]);
sysbus_create_simple("syborg,serial", 0xC0006000, pic[5]);
sysbus_create_simple("syborg,serial", 0xC0007000, pic[6]);
sysbus_create_simple("syborg,serial", 0xC0008000, pic[7]);
sysbus_create_simple("syborg,serial", 0xC0009000, pic[8]);
syborg_binfo.ram_size = ram_size;
syborg_binfo.kernel_filename = kernel_filename;
syborg_binfo.kernel_cmdline = kernel_cmdline;
syborg_binfo.initrd_filename = initrd_filename;
syborg_binfo.board_id = 0;
arm_load_kernel(env, &syborg_binfo);
}
QEMUMachine syborg_machine = {
.name = "syborg",
.desc = "Syborg (Symbian Virtual Platform)",
.init = syborg_init,
};

18
hw/syborg.h
View File

@ -0,0 +1,18 @@
#ifndef _SYBORG_H
#define _SYBORG_H
#define SYBORG_ID_PLATFORM 0xc51d1000
#define SYBORG_ID_INT 0xc51d0000
#define SYBORG_ID_SERIAL 0xc51d0001
#define SYBORG_ID_KEYBOARD 0xc51d0002
#define SYBORG_ID_TIMER 0xc51d0003
#define SYBORG_ID_RTC 0xc51d0004
#define SYBORG_ID_MOUSE 0xc51d0005
#define SYBORG_ID_TOUCHSCREEN 0xc51d0006
#define SYBORG_ID_FRAMEBUFFER 0xc51d0007
#define SYBORG_ID_HOSTFS 0xc51d0008
#define SYBORG_ID_SNAPSHOT 0xc51d0009
#define SYBORG_ID_VIRTIO 0xc51d000a
#define SYBORG_ID_NAND 0xc51d000b
#endif

547
hw/syborg_fb.c
View File

@ -0,0 +1,547 @@
/*
* Syborg Framebuffer
*
* Copyright (c) 2009 CodeSourcery
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include "sysbus.h"
#include "console.h"
#include "syborg.h"
#include "framebuffer.h"
//#define DEBUG_SYBORG_FB
#ifdef DEBUG_SYBORG_FB
#define DPRINTF(fmt, ...) \
do { printf("syborg_fb: " fmt , ## __VA_ARGS__); } while (0)
#define BADF(fmt, ...) \
do { fprintf(stderr, "syborg_fb: error: " fmt , ## __VA_ARGS__); \
exit(1);} while (0)
#else
#define DPRINTF(fmt, ...) do {} while(0)
#define BADF(fmt, ...) \
do { fprintf(stderr, "syborg_fb: error: " fmt , ## __VA_ARGS__);} while (0)
#endif
enum {
FB_ID = 0,
FB_BASE = 1,
FB_HEIGHT = 2,
FB_WIDTH = 3,
FB_ORIENTATION = 4,
FB_BLANK = 5,
FB_INT_MASK = 6,
FB_INTERRUPT_CAUSE = 7,
FB_BPP = 8,
FB_COLOR_ORDER = 9,
FB_BYTE_ORDER = 10,
FB_PIXEL_ORDER = 11,
FB_ROW_PITCH = 12,
FB_ENABLED = 13,
FB_PALETTE_START = 0x400 >> 2,
FB_PALETTE_END = FB_PALETTE_START+256-1,
};
#define FB_INT_VSYNC (1U << 0)
#define FB_INT_BASE_UPDATE_DONE (1U << 1)
typedef struct {
SysBusDevice busdev;
DisplayState *ds;
/*QEMUConsole *console;*/
uint32_t need_update : 1;
uint32_t need_int : 1;
uint32_t enabled : 1;
uint32_t int_status;
uint32_t int_enable;
qemu_irq irq;
uint32_t base;
uint32_t pitch;
int rows;
int cols;
int blank;
int bpp;
int rgb; /* 0 = BGR, 1 = RGB */
int endian; /* 0 = Little, 1 = Big */
uint32_t raw_palette[256];
uint32_t palette[256];
} SyborgFBState;
enum {
BPP_SRC_1,
BPP_SRC_2,
BPP_SRC_4,
BPP_SRC_8,
BPP_SRC_16,
BPP_SRC_32,
/* TODO: Implement these. */
BPP_SRC_15 = -1,
BPP_SRC_24 = -2
};
#include "pixel_ops.h"
#define BITS 8
#include "pl110_template.h"
#define BITS 15
#include "pl110_template.h"
#define BITS 16
#include "pl110_template.h"
#define BITS 24
#include "pl110_template.h"
#define BITS 32
#include "pl110_template.h"
/* Update interrupts. */
static void syborg_fb_update(SyborgFBState *s)
{
if ((s->int_status & s->int_enable) != 0) {
DPRINTF("Raise IRQ\n");
qemu_irq_raise(s->irq);
} else {
DPRINTF("Lower IRQ\n");
qemu_irq_lower(s->irq);
}
}
static int syborg_fb_enabled(const SyborgFBState *s)
{
return s->enabled;
}
static void syborg_fb_update_palette(SyborgFBState *s)
{
int n, i;
uint32_t raw;
unsigned int r, g, b;
switch (s->bpp) {
case BPP_SRC_1: n = 2; break;
case BPP_SRC_2: n = 4; break;
case BPP_SRC_4: n = 16; break;
case BPP_SRC_8: n = 256; break;
default: return;
}
for (i = 0; i < n; i++) {
raw = s->raw_palette[i];
r = (raw >> 16) & 0xff;
g = (raw >> 8) & 0xff;
b = raw & 0xff;
switch (ds_get_bits_per_pixel(s->ds)) {
case 8:
s->palette[i] = rgb_to_pixel8(r, g, b);
break;
case 15:
s->palette[i] = rgb_to_pixel15(r, g, b);
break;
case 16:
s->palette[i] = rgb_to_pixel16(r, g, b);
break;
case 24:
case 32:
s->palette[i] = rgb_to_pixel32(r, g, b);
break;
default:
abort();
}
}
}
static void syborg_fb_update_display(void *opaque)
{
SyborgFBState *s = (SyborgFBState *)opaque;
drawfn* fntable;
drawfn fn;
int dest_width;
int src_width;
int bpp_offset;
int first;
int last;
if (!syborg_fb_enabled(s))
return;
switch (ds_get_bits_per_pixel(s->ds)) {
case 0:
return;
case 8:
fntable = pl110_draw_fn_8;
dest_width = 1;
break;
case 15:
fntable = pl110_draw_fn_15;
dest_width = 2;
break;
case 16:
fntable = pl110_draw_fn_16;
dest_width = 2;
break;
case 24:
fntable = pl110_draw_fn_24;
dest_width = 3;
break;
case 32:
fntable = pl110_draw_fn_32;
dest_width = 4;
break;
default:
fprintf(stderr, "syborg_fb: Bad color depth\n");
exit(1);
}
if (s->need_int) {
s->int_status |= FB_INT_BASE_UPDATE_DONE;
syborg_fb_update(s);
s->need_int = 0;
}
if (s->rgb) {
bpp_offset = 18;
} else {
bpp_offset = 0;
}
if (s->endian) {
bpp_offset += 6;
}
fn = fntable[s->bpp + bpp_offset];
if (s->pitch) {
src_width = s->pitch;
} else {
src_width = s->cols;
switch (s->bpp) {
case BPP_SRC_1:
src_width >>= 3;
break;
case BPP_SRC_2:
src_width >>= 2;
break;
case BPP_SRC_4:
src_width >>= 1;
break;
case BPP_SRC_8:
break;
case BPP_SRC_15:
case BPP_SRC_16:
src_width <<= 1;
break;
case BPP_SRC_24:
src_width *= 3;
break;
case BPP_SRC_32:
src_width <<= 2;
break;
}
}
dest_width *= s->cols;
first = 0;
/* TODO: Implement blanking. */
if (!s->blank) {
if (s->need_update && s->bpp <= BPP_SRC_8) {
syborg_fb_update_palette(s);
}
framebuffer_update_display(s->ds,
s->base, s->cols, s->rows,
src_width, dest_width, 0,
s->need_update,
fn, s->palette,
&first, &last);
if (first >= 0) {
dpy_update(s->ds, 0, first, s->cols, last - first + 1);
}
s->int_status |= FB_INT_VSYNC;
syborg_fb_update(s);
}
s->need_update = 0;
}
static void syborg_fb_invalidate_display(void * opaque)
{
SyborgFBState *s = (SyborgFBState *)opaque;
s->need_update = 1;
}
static uint32_t syborg_fb_read(void *opaque, target_phys_addr_t offset)
{
SyborgFBState *s = opaque;
DPRINTF("read reg %d\n", (int)offset);
offset &= 0xfff;
switch (offset >> 2) {
case FB_ID:
return SYBORG_ID_FRAMEBUFFER;
case FB_BASE:
return s->base;
case FB_HEIGHT:
return s->rows;
case FB_WIDTH:
return s->cols;
case FB_ORIENTATION:
return 0;
case FB_BLANK:
return s->blank;
case FB_INT_MASK:
return s->int_enable;
case FB_INTERRUPT_CAUSE:
return s->int_status;
case FB_BPP:
switch (s->bpp) {
case BPP_SRC_1: return 1;
case BPP_SRC_2: return 2;
case BPP_SRC_4: return 4;
case BPP_SRC_8: return 8;
case BPP_SRC_15: return 15;
case BPP_SRC_16: return 16;
case BPP_SRC_24: return 24;
case BPP_SRC_32: return 32;
default: return 0;
}
case FB_COLOR_ORDER:
return s->rgb;
case FB_BYTE_ORDER:
return s->endian;
case FB_PIXEL_ORDER:
return 0;
case FB_ROW_PITCH:
return s->pitch;
case FB_ENABLED:
return s->enabled;
default:
if ((offset >> 2) >= FB_PALETTE_START
&& (offset >> 2) <= FB_PALETTE_END) {
return s->raw_palette[(offset >> 2) - FB_PALETTE_START];
} else {
cpu_abort (cpu_single_env, "syborg_fb_read: Bad offset %x\n",
(int)offset);
}
return 0;
}
}
static void syborg_fb_write(void *opaque, target_phys_addr_t offset,
uint32_t val)
{
SyborgFBState *s = opaque;
DPRINTF("write reg %d = %d\n", (int)offset, val);
s->need_update = 1;
offset &= 0xfff;
switch (offset >> 2) {
case FB_BASE:
s->base = val;
s->need_int = 1;
s->need_update = 1;
syborg_fb_update(s);
break;
case FB_HEIGHT:
s->rows = val;
break;
case FB_WIDTH:
s->cols = val;
break;
case FB_ORIENTATION:
/* TODO: Implement rotation. */
break;
case FB_BLANK:
s->blank = val & 1;
break;
case FB_INT_MASK:
s->int_enable = val;
syborg_fb_update(s);
break;
case FB_INTERRUPT_CAUSE:
s->int_status &= ~val;
syborg_fb_update(s);
break;
case FB_BPP:
switch (val) {
case 1: val = BPP_SRC_1; break;
case 2: val = BPP_SRC_2; break;
case 4: val = BPP_SRC_4; break;
case 8: val = BPP_SRC_8; break;
/* case 15: val = BPP_SRC_15; break; */
case 16: val = BPP_SRC_16; break;
/* case 24: val = BPP_SRC_24; break; */
case 32: val = BPP_SRC_32; break;
default: val = s->bpp; break;
}
s->bpp = val;
break;
case FB_COLOR_ORDER:
s->rgb = (val != 0);
break;
case FB_BYTE_ORDER:
s->endian = (val != 0);
break;
case FB_PIXEL_ORDER:
/* TODO: Implement this. */
break;
case FB_ROW_PITCH:
s->pitch = val;
break;
case FB_ENABLED:
s->enabled = val;
break;
default:
if ((offset >> 2) >= FB_PALETTE_START
&& (offset >> 2) <= FB_PALETTE_END) {
s->raw_palette[(offset >> 2) - FB_PALETTE_START] = val;
} else {
cpu_abort (cpu_single_env, "syborg_fb_write: Bad offset %x\n",
(int)offset);
}
break;
}
}
static CPUReadMemoryFunc *syborg_fb_readfn[] = {
syborg_fb_read,
syborg_fb_read,
syborg_fb_read
};
static CPUWriteMemoryFunc *syborg_fb_writefn[] = {
syborg_fb_write,
syborg_fb_write,
syborg_fb_write
};
static void syborg_fb_save(QEMUFile *f, void *opaque)
{
SyborgFBState *s = opaque;
int i;
qemu_put_be32(f, s->need_int);
qemu_put_be32(f, s->int_status);
qemu_put_be32(f, s->int_enable);
qemu_put_be32(f, s->enabled);
qemu_put_be32(f, s->base);
qemu_put_be32(f, s->pitch);
qemu_put_be32(f, s->rows);
qemu_put_be32(f, s->cols);
qemu_put_be32(f, s->bpp);
qemu_put_be32(f, s->rgb);
for (i = 0; i < 256; i++) {
qemu_put_be32(f, s->raw_palette[i]);
}
}
static int syborg_fb_load(QEMUFile *f, void *opaque, int version_id)
{
SyborgFBState *s = opaque;
int i;
if (version_id != 1)
return -EINVAL;
s->need_int = qemu_get_be32(f);
s->int_status = qemu_get_be32(f);
s->int_enable = qemu_get_be32(f);
s->enabled = qemu_get_be32(f);
s->base = qemu_get_be32(f);
s->pitch = qemu_get_be32(f);
s->rows = qemu_get_be32(f);
s->cols = qemu_get_be32(f);
s->bpp = qemu_get_be32(f);
s->rgb = qemu_get_be32(f);
for (i = 0; i < 256; i++) {
s->raw_palette[i] = qemu_get_be32(f);
}
s->need_update = 1;
return 0;
}
static void syborg_fb_init(SysBusDevice *dev)
{
SyborgFBState *s = FROM_SYSBUS(SyborgFBState, dev);
int iomemtype;
int width;
int height;
sysbus_init_irq(dev, &s->irq);
iomemtype = cpu_register_io_memory(0, syborg_fb_readfn,
syborg_fb_writefn, s);
sysbus_init_mmio(dev, 0x1000, iomemtype);
width = qdev_get_prop_int(&dev->qdev, "width", 0);
height = qdev_get_prop_int(&dev->qdev, "height", 0);
s->ds = graphic_console_init(syborg_fb_update_display,
syborg_fb_invalidate_display,
NULL, NULL, s);
if (width != 0 && height != 0) {
qemu_console_resize(s->ds, width, height);
}
if (!width)
width = ds_get_width(s->ds);
if (!height)
height = ds_get_height(s->ds);
s->cols = width;
s->rows = height;
register_savevm("syborg_framebuffer", -1, 1,
syborg_fb_save, syborg_fb_load, s);
}
static void syborg_fb_register_devices(void)
{
sysbus_register_dev("syborg,framebuffer", sizeof(SyborgFBState),
syborg_fb_init);
}
device_init(syborg_fb_register_devices)

227
hw/syborg_interrupt.c
View File

@ -0,0 +1,227 @@
/*
* Syborg interrupt controller.
*
* Copyright (c) 2008 CodeSourcery
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include "sysbus.h"
#include "syborg.h"
//#define DEBUG_SYBORG_INT
#ifdef DEBUG_SYBORG_INT
#define DPRINTF(fmt, ...) \
do { printf("syborg_int: " fmt , ## __VA_ARGS__); } while (0)
#define BADF(fmt, ...) \
do { fprintf(stderr, "syborg_int: error: " fmt , ## __VA_ARGS__); \
exit(1);} while (0)
#else
#define DPRINTF(fmt, ...) do {} while(0)
#define BADF(fmt, ...) \
do { fprintf(stderr, "syborg_int: error: " fmt , ## __VA_ARGS__);} while (0)
#endif
enum {
INT_ID = 0,
INT_STATUS = 1, /* number of pending interrupts */
INT_CURRENT = 2, /* next interrupt to be serviced */
INT_DISABLE_ALL = 3,
INT_DISABLE = 4,
INT_ENABLE = 5,
INT_TOTAL = 6
};
typedef struct {
unsigned level:1;
unsigned enabled:1;
} syborg_int_flags;
typedef struct {
SysBusDevice busdev;
int pending_count;
int num_irqs;
syborg_int_flags *flags;
qemu_irq parent_irq;
} SyborgIntState;
static void syborg_int_update(SyborgIntState *s)
{
DPRINTF("pending %d\n", s->pending_count);
qemu_set_irq(s->parent_irq, s->pending_count > 0);
}
static void syborg_int_set_irq(void *opaque, int irq, int level)
{
SyborgIntState *s = (SyborgIntState *)opaque;
if (s->flags[irq].level == level)
return;
s->flags[irq].level = level;
if (s->flags[irq].enabled) {
if (level)
s->pending_count++;
else
s->pending_count--;
syborg_int_update(s);
}
}
static uint32_t syborg_int_read(void *opaque, target_phys_addr_t offset)
{
SyborgIntState *s = (SyborgIntState *)opaque;
int i;
offset &= 0xfff;
switch (offset >> 2) {
case INT_ID:
return SYBORG_ID_INT;
case INT_STATUS:
DPRINTF("read status=%d\n", s->pending_count);
return s->pending_count;
case INT_CURRENT:
for (i = 0; i < s->num_irqs; i++) {
if (s->flags[i].level & s->flags[i].enabled) {
DPRINTF("read current=%d\n", i);
return i;
}
}
DPRINTF("read current=none\n");
return 0xffffffffu;
default:
cpu_abort(cpu_single_env, "syborg_int_read: Bad offset %x\n",
(int)offset);
return 0;
}
}
static void syborg_int_write(void *opaque, target_phys_addr_t offset, uint32_t value)
{
SyborgIntState *s = (SyborgIntState *)opaque;
int i;
offset &= 0xfff;
DPRINTF("syborg_int_write offset=%d val=%d\n", (int)offset, (int)value);
switch (offset >> 2) {
case INT_DISABLE_ALL:
s->pending_count = 0;
for (i = 0; i < s->num_irqs; i++)
s->flags[i].enabled = 0;
break;
case INT_DISABLE:
if (value >= s->num_irqs)
break;
if (s->flags[value].enabled) {
if (s->flags[value].enabled)
s->pending_count--;
s->flags[value].enabled = 0;
}
break;
case INT_ENABLE:
if (value >= s->num_irqs)
break;
if (!(s->flags[value].enabled)) {
if(s->flags[value].level)
s->pending_count++;
s->flags[value].enabled = 1;
}
break;
default:
cpu_abort(cpu_single_env, "syborg_int_write: Bad offset %x\n",
(int)offset);
return;
}
syborg_int_update(s);
}
static CPUReadMemoryFunc *syborg_int_readfn[] = {
syborg_int_read,
syborg_int_read,
syborg_int_read
};
static CPUWriteMemoryFunc *syborg_int_writefn[] = {
syborg_int_write,
syborg_int_write,
syborg_int_write
};
static void syborg_int_save(QEMUFile *f, void *opaque)
{
SyborgIntState *s = (SyborgIntState *)opaque;
int i;
qemu_put_be32(f, s->num_irqs);
qemu_put_be32(f, s->pending_count);
for (i = 0; i < s->num_irqs; i++) {
qemu_put_be32(f, s->flags[i].enabled
| ((unsigned)s->flags[i].level << 1));
}
}
static int syborg_int_load(QEMUFile *f, void *opaque, int version_id)
{
SyborgIntState *s = (SyborgIntState *)opaque;
uint32_t val;
int i;
if (version_id != 1)
return -EINVAL;
val = qemu_get_be32(f);
if (val != s->num_irqs)
return -EINVAL;
s->pending_count = qemu_get_be32(f);
for (i = 0; i < s->num_irqs; i++) {
val = qemu_get_be32(f);
s->flags[i].enabled = val & 1;
s->flags[i].level = (val >> 1) & 1;
}
return 0;
}
static void syborg_int_init(SysBusDevice *dev)
{
SyborgIntState *s = FROM_SYSBUS(SyborgIntState, dev);
int iomemtype;
sysbus_init_irq(dev, &s->parent_irq);
s->num_irqs = qdev_get_prop_int(&dev->qdev, "num-interrupts", 64);
qdev_init_irq_sink(&dev->qdev, syborg_int_set_irq, s->num_irqs);
iomemtype = cpu_register_io_memory(0, syborg_int_readfn,
syborg_int_writefn, s);
sysbus_init_mmio(dev, 0x1000, iomemtype);
s->flags = qemu_mallocz(s->num_irqs * sizeof(syborg_int_flags));
register_savevm("syborg_int", -1, 1, syborg_int_save, syborg_int_load, s);
}
static void syborg_interrupt_register_devices(void)
{
sysbus_register_dev("syborg,interrupt", sizeof(SyborgIntState),
syborg_int_init);
}
device_init(syborg_interrupt_register_devices)

234
hw/syborg_keyboard.c
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/*
* Syborg keyboard controller.
*
* Copyright (c) 2008 CodeSourcery
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include "sysbus.h"
#include "console.h"
#include "syborg.h"
//#define DEBUG_SYBORG_KEYBOARD
#ifdef DEBUG_SYBORG_KEYBOARD
#define DPRINTF(fmt, ...) \
do { printf("syborg_keyboard: " fmt , ##args); } while (0)
#define BADF(fmt, ...) \
do { fprintf(stderr, "syborg_keyboard: error: " fmt , ## __VA_ARGS__); \
exit(1);} while (0)
#else
#define DPRINTF(fmt, ...) do {} while(0)
#define BADF(fmt, ...) \
do { fprintf(stderr, "syborg_keyboard: error: " fmt , ## __VA_ARGS__); \
} while (0)
#endif
enum {
KBD_ID = 0,
KBD_DATA = 1,
KBD_FIFO_COUNT = 2,
KBD_INT_ENABLE = 3,
KBD_FIFO_SIZE = 4
};
typedef struct {
SysBusDevice busdev;
int int_enabled;
int extension_bit;
int fifo_size;
uint32_t *key_fifo;
int read_pos, read_count;
qemu_irq irq;
} SyborgKeyboardState;
static void syborg_keyboard_update(SyborgKeyboardState *s)
{
int level = s->read_count && s->int_enabled;
DPRINTF("Update IRQ %d\n", level);
qemu_set_irq(s->irq, level);
}
static uint32_t syborg_keyboard_read(void *opaque, target_phys_addr_t offset)
{
SyborgKeyboardState *s = (SyborgKeyboardState *)opaque;
int c;
DPRINTF("reg read %d\n", (int)offset);
offset &= 0xfff;
switch (offset >> 2) {
case KBD_ID:
return SYBORG_ID_KEYBOARD;
case KBD_FIFO_COUNT:
return s->read_count;
case KBD_DATA:
if (s->read_count == 0) {
c = -1;
DPRINTF("FIFO underflow\n");
} else {
c = s->key_fifo[s->read_pos];
DPRINTF("FIFO read 0x%x\n", c);
s->read_count--;
s->read_pos++;
if (s->read_pos == s->fifo_size)
s->read_pos = 0;
}
syborg_keyboard_update(s);
return c;
case KBD_INT_ENABLE:
return s->int_enabled;
case KBD_FIFO_SIZE:
return s->fifo_size;
default:
cpu_abort(cpu_single_env, "syborg_keyboard_read: Bad offset %x\n",
(int)offset);
return 0;
}
}
static void syborg_keyboard_write(void *opaque, target_phys_addr_t offset,
uint32_t value)
{
SyborgKeyboardState *s = (SyborgKeyboardState *)opaque;
DPRINTF("reg write %d\n", (int)offset);
offset &= 0xfff;
switch (offset >> 2) {
case KBD_INT_ENABLE:
s->int_enabled = value;
syborg_keyboard_update(s);
break;
default:
cpu_abort(cpu_single_env, "syborg_keyboard_write: Bad offset %x\n",
(int)offset);
}
}
static CPUReadMemoryFunc *syborg_keyboard_readfn[] = {
syborg_keyboard_read,
syborg_keyboard_read,
syborg_keyboard_read
};
static CPUWriteMemoryFunc *syborg_keyboard_writefn[] = {
syborg_keyboard_write,
syborg_keyboard_write,
syborg_keyboard_write
};
static void syborg_keyboard_event(void *opaque, int keycode)
{
SyborgKeyboardState *s = (SyborgKeyboardState *)opaque;
int slot;
uint32_t val;
/* Strip off 0xe0 prefixes and reconstruct the full scancode. */
if (keycode == 0xe0 && !s->extension_bit) {
DPRINTF("Extension bit\n");
s->extension_bit = 0x80;
return;
}
val = (keycode & 0x7f) | s->extension_bit;
if (keycode & 0x80)
val |= 0x80000000u;
s->extension_bit = 0;
DPRINTF("FIFO push 0x%x\n", val);
slot = s->read_pos + s->read_count;
if (slot >= s->fifo_size)
slot -= s->fifo_size;
if (s->read_count < s->fifo_size) {
s->read_count++;
s->key_fifo[slot] = val;
} else {
fprintf(stderr, "syborg_keyboard error! FIFO overflow\n");
}
syborg_keyboard_update(s);
}
static void syborg_keyboard_save(QEMUFile *f, void *opaque)
{
SyborgKeyboardState *s = (SyborgKeyboardState *)opaque;
int i;
qemu_put_be32(f, s->fifo_size);
qemu_put_be32(f, s->int_enabled);
qemu_put_be32(f, s->extension_bit);
qemu_put_be32(f, s->read_pos);
qemu_put_be32(f, s->read_count);
for (i = 0; i < s->fifo_size; i++) {
qemu_put_be32(f, s->key_fifo[i]);
}
}
static int syborg_keyboard_load(QEMUFile *f, void *opaque, int version_id)
{
SyborgKeyboardState *s = (SyborgKeyboardState *)opaque;
uint32_t val;
int i;
if (version_id != 1)
return -EINVAL;
val = qemu_get_be32(f);
if (val != s->fifo_size)
return -EINVAL;
s->int_enabled = qemu_get_be32(f);
s->extension_bit = qemu_get_be32(f);
s->read_pos = qemu_get_be32(f);
s->read_count = qemu_get_be32(f);
for (i = 0; i < s->fifo_size; i++) {
s->key_fifo[i] = qemu_get_be32(f);
}
return 0;
}
static void syborg_keyboard_init(SysBusDevice *dev)
{
SyborgKeyboardState *s = FROM_SYSBUS(SyborgKeyboardState, dev);
int iomemtype;
sysbus_init_irq(dev, &s->irq);
iomemtype = cpu_register_io_memory(0, syborg_keyboard_readfn,
syborg_keyboard_writefn, s);
sysbus_init_mmio(dev, 0x1000, iomemtype);
s->fifo_size = qdev_get_prop_int(&dev->qdev, "fifo-size", 16);
if (s->fifo_size <= 0) {
fprintf(stderr, "syborg_keyboard: fifo too small\n");
s->fifo_size = 16;
}
s->key_fifo = qemu_mallocz(s->fifo_size * sizeof(s->key_fifo[0]));
qemu_add_kbd_event_handler(syborg_keyboard_event, s);
register_savevm("syborg_keyboard", -1, 1,
syborg_keyboard_save, syborg_keyboard_load, s);
}
static void syborg_keyboard_register_devices(void)
{
sysbus_register_dev("syborg,keyboard", sizeof(SyborgKeyboardState),
syborg_keyboard_init);
}
device_init(syborg_keyboard_register_devices)

233
hw/syborg_pointer.c
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/*
* Syborg pointing device (mouse/touchscreen)
*
* Copyright (c) 2008 CodeSourcery
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include "sysbus.h"
#include "console.h"
#include "syborg.h"
enum {
POINTER_ID = 0,
POINTER_LATCH = 1,
POINTER_FIFO_COUNT = 2,
POINTER_X = 3,
POINTER_Y = 4,
POINTER_Z = 5,
POINTER_BUTTONS = 6,
POINTER_INT_ENABLE = 7,
POINTER_FIFO_SIZE = 8
};
typedef struct {
int x, y, z, pointer_buttons;
} event_data;
typedef struct {
SysBusDevice busdev;
int int_enabled;
int fifo_size;
event_data *event_fifo;
int read_pos, read_count;
qemu_irq irq;
int absolute;
} SyborgPointerState;
static void syborg_pointer_update(SyborgPointerState *s)
{
qemu_set_irq(s->irq, s->read_count && s->int_enabled);
}
static uint32_t syborg_pointer_read(void *opaque, target_phys_addr_t offset)
{
SyborgPointerState *s = (SyborgPointerState *)opaque;
offset &= 0xfff;
switch (offset >> 2) {
case POINTER_ID:
return s->absolute ? SYBORG_ID_TOUCHSCREEN : SYBORG_ID_MOUSE;
case POINTER_FIFO_COUNT:
return s->read_count;
case POINTER_X:
return s->event_fifo[s->read_pos].x;
case POINTER_Y:
return s->event_fifo[s->read_pos].y;
case POINTER_Z:
return s->event_fifo[s->read_pos].z;
case POINTER_BUTTONS:
return s->event_fifo[s->read_pos].pointer_buttons;
case POINTER_INT_ENABLE:
return s->int_enabled;
case POINTER_FIFO_SIZE:
return s->fifo_size;
default:
cpu_abort(cpu_single_env, "syborg_pointer_read: Bad offset %x\n",
(int)offset);
return 0;
}
}
static void syborg_pointer_write(void *opaque, target_phys_addr_t offset,
uint32_t value)
{
SyborgPointerState *s = (SyborgPointerState *)opaque;
offset &= 0xfff;
switch (offset >> 2) {
case POINTER_LATCH:
if (s->read_count > 0) {
s->read_count--;
if (++s->read_pos == s->fifo_size)
s->read_pos = 0;
}
break;
case POINTER_INT_ENABLE:
s->int_enabled = value;
break;
default:
cpu_abort(cpu_single_env, "syborg_pointer_write: Bad offset %x\n",
(int)offset);
}
syborg_pointer_update(s);
}
static CPUReadMemoryFunc *syborg_pointer_readfn[] = {
syborg_pointer_read,
syborg_pointer_read,
syborg_pointer_read
};
static CPUWriteMemoryFunc *syborg_pointer_writefn[] = {
syborg_pointer_write,
syborg_pointer_write,
syborg_pointer_write
};
static void syborg_pointer_event(void *opaque, int dx, int dy, int dz,
int buttons_state)
{
SyborgPointerState *s = (SyborgPointerState *)opaque;
int slot = s->read_pos + s->read_count;
/* This first FIFO entry is used to store current register state. */
if (s->read_count < s->fifo_size - 1) {
s->read_count++;
slot++;
}
if (slot >= s->fifo_size)
slot -= s->fifo_size;
if (s->read_count == s->fifo_size && !s->absolute) {
/* Merge existing entries. */
s->event_fifo[slot].x += dx;
s->event_fifo[slot].y += dy;
s->event_fifo[slot].z += dz;
} else {
s->event_fifo[slot].x = dx;
s->event_fifo[slot].y = dy;
s->event_fifo[slot].z = dz;
}
s->event_fifo[slot].pointer_buttons = buttons_state;
syborg_pointer_update(s);
}
static void syborg_pointer_save(QEMUFile *f, void *opaque)
{
SyborgPointerState *s = (SyborgPointerState *)opaque;
int i;
qemu_put_be32(f, s->fifo_size);
qemu_put_be32(f, s->absolute);
qemu_put_be32(f, s->int_enabled);
qemu_put_be32(f, s->read_pos);
qemu_put_be32(f, s->read_count);
for (i = 0; i < s->fifo_size; i++) {
qemu_put_be32(f, s->event_fifo[i].x);
qemu_put_be32(f, s->event_fifo[i].y);
qemu_put_be32(f, s->event_fifo[i].z);
qemu_put_be32(f, s->event_fifo[i].pointer_buttons);
}
}
static int syborg_pointer_load(QEMUFile *f, void *opaque, int version_id)
{
SyborgPointerState *s = (SyborgPointerState *)opaque;
uint32_t val;
int i;
if (version_id != 1)
return -EINVAL;
val = qemu_get_be32(f);
if (val != s->fifo_size)
return -EINVAL;
val = qemu_get_be32(f);
if (val != s->absolute)
return -EINVAL;
s->int_enabled = qemu_get_be32(f);
s->read_pos = qemu_get_be32(f);
s->read_count = qemu_get_be32(f);
for (i = 0; i < s->fifo_size; i++) {
s->event_fifo[i].x = qemu_get_be32(f);
s->event_fifo[i].y = qemu_get_be32(f);
s->event_fifo[i].z = qemu_get_be32(f);
s->event_fifo[i].pointer_buttons = qemu_get_be32(f);
}
return 0;
}
static void syborg_pointer_init(SysBusDevice *dev)
{
SyborgPointerState *s = FROM_SYSBUS(SyborgPointerState, dev);
int iomemtype;
sysbus_init_irq(dev, &s->irq);
iomemtype = cpu_register_io_memory(0, syborg_pointer_readfn,
syborg_pointer_writefn, s);
sysbus_init_mmio(dev, 0x1000, iomemtype);
s->absolute = qdev_get_prop_int(&dev->qdev, "absolute", 1);
s->fifo_size = qdev_get_prop_int(&dev->qdev, "fifo-size", 16);
if (s->fifo_size <= 0) {
fprintf(stderr, "syborg_pointer: fifo too small\n");
s->fifo_size = 16;
}
s->event_fifo = qemu_mallocz(s->fifo_size * sizeof(s->event_fifo[0]));
qemu_add_mouse_event_handler(syborg_pointer_event, s, s->absolute,
"Syborg Pointer");
register_savevm("syborg_pointer", -1, 1,
syborg_pointer_save, syborg_pointer_load, s);
}
static void syborg_pointer_register_devices(void)
{
sysbus_register_dev("syborg,pointer", sizeof(SyborgPointerState),
syborg_pointer_init);
}
device_init(syborg_pointer_register_devices)

147
hw/syborg_rtc.c
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/*
* Syborg RTC
*
* Copyright (c) 2008 CodeSourcery
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include "sysbus.h"
#include "qemu-timer.h"
#include "syborg.h"
enum {
RTC_ID = 0,
RTC_LATCH = 1,
RTC_DATA_LOW = 2,
RTC_DATA_HIGH = 3
};
typedef struct {
SysBusDevice busdev;
int64_t offset;
int64_t data;
qemu_irq irq;
} SyborgRTCState;
static uint32_t syborg_rtc_read(void *opaque, target_phys_addr_t offset)
{
SyborgRTCState *s = (SyborgRTCState *)opaque;
offset &= 0xfff;
switch (offset >> 2) {
case RTC_ID:
return SYBORG_ID_RTC;
case RTC_DATA_LOW:
return (uint32_t)s->data;
case RTC_DATA_HIGH:
return (uint32_t)(s->data >> 32);
default:
cpu_abort(cpu_single_env, "syborg_rtc_read: Bad offset %x\n",
(int)offset);
return 0;
}
}
static void syborg_rtc_write(void *opaque, target_phys_addr_t offset, uint32_t value)
{
SyborgRTCState *s = (SyborgRTCState *)opaque;
uint64_t now;
offset &= 0xfff;
switch (offset >> 2) {
case RTC_LATCH:
now = qemu_get_clock(vm_clock);
if (value >= 4) {
s->offset = s->data - now;
} else {
s->data = now + s->offset;
while (value) {
s->data /= 1000;
value--;
}
}
break;
case RTC_DATA_LOW:
s->data = (s->data & ~(uint64_t)0xffffffffu) | value;
break;
case RTC_DATA_HIGH:
s->data = (s->data & 0xffffffffu) | ((uint64_t)value << 32);
break;
default:
cpu_abort(cpu_single_env, "syborg_rtc_write: Bad offset %x\n",
(int)offset);
break;
}
}
static CPUReadMemoryFunc *syborg_rtc_readfn[] = {
syborg_rtc_read,
syborg_rtc_read,
syborg_rtc_read
};
static CPUWriteMemoryFunc *syborg_rtc_writefn[] = {
syborg_rtc_write,
syborg_rtc_write,
syborg_rtc_write
};
static void syborg_rtc_save(QEMUFile *f, void *opaque)
{
SyborgRTCState *s = opaque;
qemu_put_be64(f, s->offset);
qemu_put_be64(f, s->data);
}
static int syborg_rtc_load(QEMUFile *f, void *opaque, int version_id)
{
SyborgRTCState *s = opaque;
if (version_id != 1)
return -EINVAL;
s->offset = qemu_get_be64(f);
s->data = qemu_get_be64(f);
return 0;
}
static void syborg_rtc_init(SysBusDevice *dev)
{
SyborgRTCState *s = FROM_SYSBUS(SyborgRTCState, dev);
struct tm tm;
int iomemtype;
iomemtype = cpu_register_io_memory(0, syborg_rtc_readfn,
syborg_rtc_writefn, s);
sysbus_init_mmio(dev, 0x1000, iomemtype);
qemu_get_timedate(&tm, 0);
s->offset = (uint64_t)mktime(&tm) * 1000000000;
register_savevm("syborg_rtc", -1, 1, syborg_rtc_save, syborg_rtc_load, s);
}
static void syborg_rtc_register_devices(void)
{
sysbus_register_dev("syborg,rtc", sizeof(SyborgRTCState), syborg_rtc_init);
}
device_init(syborg_rtc_register_devices)

349
hw/syborg_serial.c
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/*
* Syborg serial port
*
* Copyright (c) 2008 CodeSourcery
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include "sysbus.h"
#include "qemu-char.h"
#include "syborg.h"
//#define DEBUG_SYBORG_SERIAL
#ifdef DEBUG_SYBORG_SERIAL
#define DPRINTF(fmt, ...) \
do { printf("syborg_serial: " fmt , ##args); } while (0)
#define BADF(fmt, ...) \
do { fprintf(stderr, "syborg_serial: error: " fmt , ## __VA_ARGS__); \
exit(1);} while (0)
#else
#define DPRINTF(fmt, ...) do {} while(0)
#define BADF(fmt, ...) \
do { fprintf(stderr, "syborg_serial: error: " fmt , ## __VA_ARGS__);} while (0)
#endif
enum {
SERIAL_ID = 0,
SERIAL_DATA = 1,
SERIAL_FIFO_COUNT = 2,
SERIAL_INT_ENABLE = 3,
SERIAL_DMA_TX_ADDR = 4,
SERIAL_DMA_TX_COUNT = 5, /* triggers dma */
SERIAL_DMA_RX_ADDR = 6,
SERIAL_DMA_RX_COUNT = 7, /* triggers dma */
SERIAL_FIFO_SIZE = 8
};
#define SERIAL_INT_FIFO (1u << 0)
#define SERIAL_INT_DMA_TX (1u << 1)
#define SERIAL_INT_DMA_RX (1u << 2)
typedef struct {
SysBusDevice busdev;
uint32_t int_enable;
int fifo_size;
uint32_t *read_fifo;
int read_pos;
int read_count;
CharDriverState *chr;
qemu_irq irq;
uint32_t dma_tx_ptr;
uint32_t dma_rx_ptr;
uint32_t dma_rx_size;
} SyborgSerialState;
static void syborg_serial_update(SyborgSerialState *s)
{
int level;
level = 0;
if ((s->int_enable & SERIAL_INT_FIFO) && s->read_count)
level = 1;
if (s->int_enable & SERIAL_INT_DMA_TX)
level = 1;
if ((s->int_enable & SERIAL_INT_DMA_RX) && s->dma_rx_size == 0)
level = 1;
qemu_set_irq(s->irq, level);
}
static uint32_t fifo_pop(SyborgSerialState *s)
{
const uint32_t c = s->read_fifo[s->read_pos];
s->read_count--;
s->read_pos++;
if (s->read_pos == s->fifo_size)
s->read_pos = 0;
DPRINTF("FIFO pop %x (%d)\n", c, s->read_count);
return c;
}
static void fifo_push(SyborgSerialState *s, uint32_t new_value)
{
int slot;
DPRINTF("FIFO push %x (%d)\n", new_value, s->read_count);
slot = s->read_pos + s->read_count;
if (slot >= s->fifo_size)
slot -= s->fifo_size;
s->read_fifo[slot] = new_value;
s->read_count++;
}
static void do_dma_tx(SyborgSerialState *s, uint32_t count)
{
unsigned char ch;
if (count == 0)
return;
if (s->chr != NULL) {
/* optimize later. Now, 1 byte per iteration */
while (count--) {
cpu_physical_memory_read(s->dma_tx_ptr, &ch, 1);
qemu_chr_write(s->chr, &ch, 1);
s->dma_tx_ptr++;
}
} else {
s->dma_tx_ptr += count;
}
/* QEMU char backends do not have a nonblocking mode, so we transmit all
the data imediately and the interrupt status will be unchanged. */
}
/* Initiate RX DMA, and transfer data from the FIFO. */
static void dma_rx_start(SyborgSerialState *s, uint32_t len)
{
uint32_t dest;
unsigned char ch;
dest = s->dma_rx_ptr;
if (s->read_count < len) {
s->dma_rx_size = len - s->read_count;
len = s->read_count;
} else {
s->dma_rx_size = 0;
}
while (len--) {
ch = fifo_pop(s);
cpu_physical_memory_write(dest, &ch, 1);
dest++;
}
s->dma_rx_ptr = dest;
syborg_serial_update(s);
}
static uint32_t syborg_serial_read(void *opaque, target_phys_addr_t offset)
{
SyborgSerialState *s = (SyborgSerialState *)opaque;
uint32_t c;
offset &= 0xfff;
DPRINTF("read 0x%x\n", (int)offset);
switch(offset >> 2) {
case SERIAL_ID:
return SYBORG_ID_SERIAL;
case SERIAL_DATA:
if (s->read_count > 0)
c = fifo_pop(s);
else
c = -1;
syborg_serial_update(s);
return c;
case SERIAL_FIFO_COUNT:
return s->read_count;
case SERIAL_INT_ENABLE:
return s->int_enable;
case SERIAL_DMA_TX_ADDR:
return s->dma_tx_ptr;
case SERIAL_DMA_TX_COUNT:
return 0;
case SERIAL_DMA_RX_ADDR:
return s->dma_rx_ptr;
case SERIAL_DMA_RX_COUNT:
return s->dma_rx_size;
case SERIAL_FIFO_SIZE:
return s->fifo_size;
default:
cpu_abort(cpu_single_env, "syborg_serial_read: Bad offset %x\n",
(int)offset);
return 0;
}
}
static void syborg_serial_write(void *opaque, target_phys_addr_t offset,
uint32_t value)
{
SyborgSerialState *s = (SyborgSerialState *)opaque;
unsigned char ch;
offset &= 0xfff;
DPRINTF("Write 0x%x=0x%x\n", (int)offset, value);
switch (offset >> 2) {
case SERIAL_DATA:
ch = value;
if (s->chr)
qemu_chr_write(s->chr, &ch, 1);
break;
case SERIAL_INT_ENABLE:
s->int_enable = value;
syborg_serial_update(s);
break;
case SERIAL_DMA_TX_ADDR:
s->dma_tx_ptr = value;
break;
case SERIAL_DMA_TX_COUNT:
do_dma_tx(s, value);
break;
case SERIAL_DMA_RX_ADDR:
/* For safety, writes to this register cancel any pending DMA. */
s->dma_rx_size = 0;
s->dma_rx_ptr = value;
break;
case SERIAL_DMA_RX_COUNT:
dma_rx_start(s, value);
break;
default:
cpu_abort(cpu_single_env, "syborg_serial_write: Bad offset %x\n",
(int)offset);
break;
}
}
static int syborg_serial_can_receive(void *opaque)
{
SyborgSerialState *s = (SyborgSerialState *)opaque;
if (s->dma_rx_size)
return s->dma_rx_size;
return s->fifo_size - s->read_count;
}
static void syborg_serial_receive(void *opaque, const uint8_t *buf, int size)
{
SyborgSerialState *s = (SyborgSerialState *)opaque;
if (s->dma_rx_size) {
/* Place it in the DMA buffer. */
cpu_physical_memory_write(s->dma_rx_ptr, buf, size);
s->dma_rx_size -= size;
s->dma_rx_ptr += size;
} else {
while (size--)
fifo_push(s, *buf);
}
syborg_serial_update(s);
}
static void syborg_serial_event(void *opaque, int event)
{
/* TODO: Report BREAK events? */
}
static CPUReadMemoryFunc *syborg_serial_readfn[] = {
syborg_serial_read,
syborg_serial_read,
syborg_serial_read
};
static CPUWriteMemoryFunc *syborg_serial_writefn[] = {
syborg_serial_write,
syborg_serial_write,
syborg_serial_write
};
static void syborg_serial_save(QEMUFile *f, void *opaque)
{
SyborgSerialState *s = opaque;
int i;
qemu_put_be32(f, s->fifo_size);
qemu_put_be32(f, s->int_enable);
qemu_put_be32(f, s->read_pos);
qemu_put_be32(f, s->read_count);
qemu_put_be32(f, s->dma_tx_ptr);
qemu_put_be32(f, s->dma_rx_ptr);
qemu_put_be32(f, s->dma_rx_size);
for (i = 0; i < s->fifo_size; i++) {
qemu_put_be32(f, s->read_fifo[i]);
}
}
static int syborg_serial_load(QEMUFile *f, void *opaque, int version_id)
{
SyborgSerialState *s = opaque;
int i;
if (version_id != 1)
return -EINVAL;
i = qemu_get_be32(f);
if (s->fifo_size != i)
return -EINVAL;
s->int_enable = qemu_get_be32(f);
s->read_pos = qemu_get_be32(f);
s->read_count = qemu_get_be32(f);
s->dma_tx_ptr = qemu_get_be32(f);
s->dma_rx_ptr = qemu_get_be32(f);
s->dma_rx_size = qemu_get_be32(f);
for (i = 0; i < s->fifo_size; i++) {
s->read_fifo[i] = qemu_get_be32(f);
}
return 0;
}
static void syborg_serial_init(SysBusDevice *dev)
{
SyborgSerialState *s = FROM_SYSBUS(SyborgSerialState, dev);
int iomemtype;
sysbus_init_irq(dev, &s->irq);
iomemtype = cpu_register_io_memory(0, syborg_serial_readfn,
syborg_serial_writefn, s);
sysbus_init_mmio(dev, 0x1000, iomemtype);
s->chr = qdev_init_chardev(&dev->qdev);
if (s->chr) {
qemu_chr_add_handlers(s->chr, syborg_serial_can_receive,
syborg_serial_receive, syborg_serial_event, s);
}
s->fifo_size = qdev_get_prop_int(&dev->qdev, "fifo-size", 16);
if (s->fifo_size <= 0) {
fprintf(stderr, "syborg_serial: fifo too small\n");
s->fifo_size = 16;
}
s->read_fifo = qemu_mallocz(s->fifo_size * sizeof(s->read_fifo[0]));
register_savevm("syborg_serial", -1, 1,
syborg_serial_save, syborg_serial_load, s);
}
static void syborg_serial_register_devices(void)
{
sysbus_register_dev("syborg,serial", sizeof(SyborgSerialState),
syborg_serial_init);
}
device_init(syborg_serial_register_devices)

235
hw/syborg_timer.c
View File

@ -0,0 +1,235 @@
/*
* Syborg Interval Timer.
*
* Copyright (c) 2008 CodeSourcery
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include "sysbus.h"
#include "qemu-timer.h"
#include "syborg.h"
//#define DEBUG_SYBORG_TIMER
#ifdef DEBUG_SYBORG_TIMER
#define DPRINTF(fmt, ...) \
do { printf("syborg_timer: " fmt , ##args); } while (0)
#define BADF(fmt, ...) \
do { fprintf(stderr, "syborg_timer: error: " fmt , ## __VA_ARGS__); \
exit(1);} while (0)
#else
#define DPRINTF(fmt, ...) do {} while(0)
#define BADF(fmt, ...) \
do { fprintf(stderr, "syborg_timer: error: " fmt , ## __VA_ARGS__);} while (0)
#endif
enum {
TIMER_ID = 0,
TIMER_RUNNING = 1,
TIMER_ONESHOT = 2,
TIMER_LIMIT = 3,
TIMER_VALUE = 4,
TIMER_INT_ENABLE = 5,
TIMER_INT_STATUS = 6,
TIMER_FREQ = 7
};
typedef struct {
SysBusDevice busdev;
ptimer_state *timer;
int running;
int oneshot;
uint32_t limit;
uint32_t freq;
uint32_t int_level;
uint32_t int_enabled;
qemu_irq irq;
} SyborgTimerState;
static void syborg_timer_update(SyborgTimerState *s)
{
/* Update interrupt. */
if (s->int_level && s->int_enabled) {
qemu_irq_raise(s->irq);
} else {
qemu_irq_lower(s->irq);
}
}
static void syborg_timer_tick(void *opaque)
{
SyborgTimerState *s = (SyborgTimerState *)opaque;
//DPRINTF("Timer Tick\n");
s->int_level = 1;
if (s->oneshot)
s->running = 0;
syborg_timer_update(s);
}
static uint32_t syborg_timer_read(void *opaque, target_phys_addr_t offset)
{
SyborgTimerState *s = (SyborgTimerState *)opaque;
DPRINTF("Reg read %d\n", (int)offset);
offset &= 0xfff;
switch (offset >> 2) {
case TIMER_ID:
return SYBORG_ID_TIMER;
case TIMER_RUNNING:
return s->running;
case TIMER_ONESHOT:
return s->oneshot;
case TIMER_LIMIT:
return s->limit;
case TIMER_VALUE:
return ptimer_get_count(s->timer);
case TIMER_INT_ENABLE:
return s->int_enabled;
case TIMER_INT_STATUS:
return s->int_level;
case TIMER_FREQ:
return s->freq;
default:
cpu_abort(cpu_single_env, "syborg_timer_read: Bad offset %x\n",
(int)offset);
return 0;
}
}
static void syborg_timer_write(void *opaque, target_phys_addr_t offset,
uint32_t value)
{
SyborgTimerState *s = (SyborgTimerState *)opaque;
DPRINTF("Reg write %d\n", (int)offset);
offset &= 0xfff;
switch (offset >> 2) {
case TIMER_RUNNING:
if (value == s->running)
break;
s->running = value;
if (value) {
ptimer_run(s->timer, s->oneshot);
} else {
ptimer_stop(s->timer);
}
break;
case TIMER_ONESHOT:
if (s->running) {
ptimer_stop(s->timer);
}
s->oneshot = value;
if (s->running) {
ptimer_run(s->timer, s->oneshot);
}
break;
case TIMER_LIMIT:
s->limit = value;
ptimer_set_limit(s->timer, value, 1);
break;
case TIMER_VALUE:
ptimer_set_count(s->timer, value);
break;
case TIMER_INT_ENABLE:
s->int_enabled = value;
syborg_timer_update(s);
break;
case TIMER_INT_STATUS:
s->int_level &= ~value;
syborg_timer_update(s);
break;
default:
cpu_abort(cpu_single_env, "syborg_timer_write: Bad offset %x\n",
(int)offset);
break;
}
}
static CPUReadMemoryFunc *syborg_timer_readfn[] = {
syborg_timer_read,
syborg_timer_read,
syborg_timer_read
};
static CPUWriteMemoryFunc *syborg_timer_writefn[] = {
syborg_timer_write,
syborg_timer_write,
syborg_timer_write
};
static void syborg_timer_save(QEMUFile *f, void *opaque)
{
SyborgTimerState *s = opaque;
qemu_put_be32(f, s->running);
qemu_put_be32(f, s->oneshot);
qemu_put_be32(f, s->limit);
qemu_put_be32(f, s->int_level);
qemu_put_be32(f, s->int_enabled);
qemu_put_ptimer(f, s->timer);
}
static int syborg_timer_load(QEMUFile *f, void *opaque, int version_id)
{
SyborgTimerState *s = opaque;
if (version_id != 1)
return -EINVAL;
s->running = qemu_get_be32(f);
s->oneshot = qemu_get_be32(f);
s->limit = qemu_get_be32(f);
s->int_level = qemu_get_be32(f);
s->int_enabled = qemu_get_be32(f);
qemu_get_ptimer(f, s->timer);
return 0;
}
static void syborg_timer_init(SysBusDevice *dev)
{
SyborgTimerState *s = FROM_SYSBUS(SyborgTimerState, dev);
QEMUBH *bh;
int iomemtype;
s->freq = qdev_get_prop_int(&dev->qdev, "frequency", 0);
if (s->freq == 0) {
fprintf(stderr, "syborg_timer: Zero/unset frequency\n");
exit(1);
}
sysbus_init_irq(dev, &s->irq);
iomemtype = cpu_register_io_memory(0, syborg_timer_readfn,
syborg_timer_writefn, s);
sysbus_init_mmio(dev, 0x1000, iomemtype);
bh = qemu_bh_new(syborg_timer_tick, s);
s->timer = ptimer_init(bh);
ptimer_set_freq(s->timer, s->freq);
register_savevm("syborg_timer", -1, 1,
syborg_timer_save, syborg_timer_load, s);
}
static void syborg_timer_register_devices(void)
{
sysbus_register_dev("syborg,timer", sizeof(SyborgTimerState),
syborg_timer_init);
}
device_init(syborg_timer_register_devices)

23
qemu-doc.texi
View File

@ -91,6 +91,7 @@ For system emulation, the following hardware targets are supported:
@item MusicPal (MV88W8618 ARM processor)
@item Gumstix "Connex" and "Verdex" motherboards (PXA255/270).
@item Siemens SX1 smartphone (OMAP310 processor)
@item Syborg SVP base model (ARM Cortex-A8).
@end itemize
For user emulation, x86, PowerPC, ARM, 32-bit MIPS, Sparc32/64 and ColdFire(m68k) CPUs are supported.
@ -2172,6 +2173,28 @@ Secure Digital card connected to OMAP MMC/SD host
Three on-chip UARTs
@end itemize
The "Syborg" Symbian Virtual Platform base model includes the following
elements:
@itemize @minus
@item
ARM Cortex-A8 CPU
@item
Interrupt controller
@item
Timer
@item
Real Time Clock
@item
Keyboard
@item
Framebuffer
@item
Touchscreen
@item
UARTs
@end itemize
A Linux 2.6 test image is available on the QEMU web site. More
information is available in the QEMU mailing-list archive.

1
target-arm/machine.c
View File

@ -23,6 +23,7 @@ void register_machines(void)
qemu_register_machine(&mainstone2_machine);
qemu_register_machine(&musicpal_machine);
qemu_register_machine(&tosapda_machine);
qemu_register_machine(&syborg_machine);
}
void cpu_save(QEMUFile *f, void *opaque)

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