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/* Copyright (C) 2007-2008 The Android Open Source Project
**
** This software is licensed under the terms of the GNU General Public
** License version 2, as published by the Free Software Foundation, and
** may be copied, distributed, and modified under those terms.
**
** This program is distributed in the hope that it will be useful,
** but WITHOUT ANY WARRANTY; without even the implied warranty of
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
** GNU General Public License for more details.
*/
#include "hw.h"
#include "boards.h"
#include "devices.h"
#include "net.h"
#include "sysemu.h"
#include "mips.h"
#include "goldfish_device.h"
#include "android/globals.h"
#include "audio/audio.h"
#include "blockdev.h"
#ifdef CONFIG_MEMCHECK
#include "memcheck/memcheck_api.h"
#endif // CONFIG_MEMCHECK
#include "android/utils/debug.h"
#define D(...) VERBOSE_PRINT(init,__VA_ARGS__)
#define MIPS_CPU_SAVE_VERSION 1
#define GOLDFISH_IO_SPACE 0x1f000000
#define GOLDFISH_INTERRUPT 0x1f000000
#define GOLDFISH_DEVICEBUS 0x1f001000
#define GOLDFISH_TTY 0x1f002000
#define GOLDFISH_RTC 0x1f003000
#define GOLDFISH_AUDIO 0x1f004000
#define GOLDFISH_MMC 0x1f005000
#define GOLDFISH_MEMLOG 0x1f006000
#define GOLDFISH_DEVICES 0x1f010000
char* audio_input_source = NULL;
void goldfish_memlog_init(uint32_t base);
static struct goldfish_device event0_device = {
.name = "goldfish_events",
.id = 0,
.size = 0x1000,
.irq_count = 1
};
static struct goldfish_device nand_device = {
.name = "goldfish_nand",
.id = 0,
.size = 0x1000
};
/* Board init. */
#define TEST_SWITCH 1
#if TEST_SWITCH
uint32_t switch_test_write(void *opaque, uint32_t state)
{
goldfish_switch_set_state(opaque, state);
return state;
}
#endif
#define VIRT_TO_PHYS_ADDEND (-((int64_t)(int32_t)0x80000000))
#define PHYS_TO_VIRT(x) ((x) | ~(target_ulong)0x7fffffff)
static void android_load_kernel(CPUState *env, int ram_size, const char *kernel_filename,
const char *kernel_cmdline, const char *initrd_filename)
{
int initrd_size;
ram_addr_t initrd_offset;
uint64_t kernel_entry, kernel_low, kernel_high;
unsigned int cmdline;
/* Load the kernel. */
if (!kernel_filename) {
fprintf(stderr, "Kernel image must be specified\n");
exit(1);
}
if (load_elf(kernel_filename, VIRT_TO_PHYS_ADDEND,
(uint64_t *)&kernel_entry, (uint64_t *)&kernel_low,
(uint64_t *)&kernel_high) < 0) {
fprintf(stderr, "qemu: could not load kernel '%s'\n", kernel_filename);
exit(1);
}
env->active_tc.PC = (int32_t)kernel_entry;
/* load initrd */
initrd_size = 0;
initrd_offset = 0;
if (initrd_filename) {
initrd_size = get_image_size (initrd_filename);
if (initrd_size > 0) {
initrd_offset = (kernel_high + ~TARGET_PAGE_MASK) & TARGET_PAGE_MASK;
if (initrd_offset + initrd_size > ram_size) {
fprintf(stderr,
"qemu: memory too small for initial ram disk '%s'\n",
initrd_filename);
exit(1);
}
initrd_size = load_image_targphys(initrd_filename,
initrd_offset,
ram_size - initrd_offset);
}
if (initrd_size == (target_ulong) -1) {
fprintf(stderr, "qemu: could not load initial ram disk '%s'\n",
initrd_filename);
exit(1);
}
}
/* Store command line in top page of memory
* kernel will copy the command line to a loca buffer
*/
cmdline = ram_size - TARGET_PAGE_SIZE;
char kernel_cmd[1024];
if (initrd_size > 0)
sprintf (kernel_cmd, "%s rd_start=0x" TARGET_FMT_lx " rd_size=%li",
kernel_cmdline,
PHYS_TO_VIRT(initrd_offset), initrd_size);
else
strcpy (kernel_cmd, kernel_cmdline);
cpu_physical_memory_write(ram_size - TARGET_PAGE_SIZE, (void *)kernel_cmd, strlen(kernel_cmd) + 1);
#if 0
if (initrd_size > 0)
sprintf (phys_ram_base+cmdline, "%s rd_start=0x" TARGET_FMT_lx " rd_size=%li",
kernel_cmdline,
PHYS_TO_VIRT(initrd_offset), initrd_size);
else
strcpy (phys_ram_base+cmdline, kernel_cmdline);
#endif
env->active_tc.gpr[4] = PHYS_TO_VIRT(cmdline);/* a0 */
env->active_tc.gpr[5] = ram_size; /* a1 */
env->active_tc.gpr[6] = 0; /* a2 */
env->active_tc.gpr[7] = 0; /* a3 */
}
static void android_mips_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 *goldfish_pic;
int i;
ram_addr_t ram_offset;
if (!cpu_model)
cpu_model = "24Kf";
env = cpu_init(cpu_model);
register_savevm( "cpu", 0, MIPS_CPU_SAVE_VERSION, cpu_save, cpu_load, env );
if (ram_size > GOLDFISH_IO_SPACE)
ram_size = GOLDFISH_IO_SPACE; /* avoid overlap of ram and IO regs */
ram_offset = qemu_ram_alloc(NULL, "android_mips", ram_size);
cpu_register_physical_memory(0, ram_size, ram_offset | IO_MEM_RAM);
/* Init internal devices */
cpu_mips_irq_init_cpu(env);
cpu_mips_clock_init(env);
goldfish_pic = goldfish_interrupt_init(GOLDFISH_INTERRUPT,
env->irq[2], env->irq[3]);
goldfish_device_init(goldfish_pic, GOLDFISH_DEVICES, 0x7f0000, 10, 22);
goldfish_device_bus_init(GOLDFISH_DEVICEBUS, 1);
goldfish_timer_and_rtc_init(GOLDFISH_RTC, 3);
goldfish_tty_add(serial_hds[0], 0, GOLDFISH_TTY, 4);
for(i = 1; i < MAX_SERIAL_PORTS; i++) {
if(serial_hds[i]) {
goldfish_tty_add(serial_hds[i], i, 0, 0);
}
}
for(i = 0; i < MAX_NICS; i++) {
if (nd_table[i].vlan) {
if (nd_table[i].model == NULL
|| strcmp(nd_table[i].model, "smc91c111") == 0) {
struct goldfish_device *smc_device;
smc_device = qemu_mallocz(sizeof(*smc_device));
smc_device->name = "smc91x";
smc_device->id = i;
smc_device->size = 0x1000;
smc_device->irq_count = 1;
goldfish_add_device_no_io(smc_device);
smc91c111_init(&nd_table[i], smc_device->base, goldfish_pic[smc_device->irq]);
} else {
fprintf(stderr, "qemu: Unsupported NIC: %s\n", nd_table[0].model);
exit (1);
}
}
}
goldfish_fb_init(0);
#ifdef HAS_AUDIO
goldfish_audio_init(GOLDFISH_AUDIO, 0, audio_input_source);
#endif
{
DriveInfo* info = drive_get( IF_IDE, 0, 0 );
if (info != NULL) {
goldfish_mmc_init(GOLDFISH_MMC, 0, info->bdrv);
}
}
goldfish_memlog_init(GOLDFISH_MEMLOG);
if (android_hw->hw_battery)
goldfish_battery_init();
goldfish_add_device_no_io(&event0_device);
events_dev_init(event0_device.base, goldfish_pic[event0_device.irq]);
#ifdef CONFIG_NAND
goldfish_add_device_no_io(&nand_device);
nand_dev_init(nand_device.base);
#endif
#ifdef CONFIG_TRACE
extern const char *trace_filename;
/* Init trace device if either tracing, or memory checking is enabled. */
if (trace_filename != NULL
#ifdef CONFIG_MEMCHECK
|| memcheck_enabled
#endif // CONFIG_MEMCHECK
|| 1 /* XXX: ALWAYS AVAILABLE FOR QEMUD PIPES */
) {
trace_dev_init();
}
if (trace_filename != NULL) {
D( "Trace file name is set to %s\n", trace_filename );
} else {
D("Trace file name is not set\n");
}
#endif
pipe_dev_init();
#if TEST_SWITCH
{
void *sw;
sw = goldfish_switch_add("test", NULL, NULL, 0);
goldfish_switch_set_state(sw, 1);
goldfish_switch_add("test2", switch_test_write, sw, 1);
}
#endif
android_load_kernel(env, ram_size, kernel_filename, kernel_cmdline, initrd_filename);
}
QEMUMachine android_mips_machine = {
"android_mips",
"MIPS Android Emulator",
android_mips_init_,
0,
0,
1,
NULL
};
static void android_mips_init(void)
{
qemu_register_machine(&android_mips_machine);
}
machine_init(android_mips_init);
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