static void
milkymist_init(MachineState *machine)
{
const char *kernel_filename = machine->kernel_filename;
const char *kernel_cmdline = machine->kernel_cmdline;
const char *initrd_filename = machine->initrd_filename;
LM32CPU *cpu;
CPULM32State *env;
int kernel_size;
DriveInfo *dinfo;
MemoryRegion *address_space_mem = get_system_memory();
MemoryRegion *phys_sdram = g_new(MemoryRegion, 1);
qemu_irq irq[32];
int i;
char *bios_filename;
ResetInfo *reset_info;
/* memory map */
hwaddr flash_base = 0x00000000;
size_t flash_sector_size = 128 * KiB;
size_t flash_size = 32 * MiB;
hwaddr sdram_base = 0x40000000;
size_t sdram_size = 128 * MiB;
hwaddr initrd_base = sdram_base + 0x1002000;
hwaddr cmdline_base = sdram_base + 0x1000000;
size_t initrd_max = sdram_size - 0x1002000;
reset_info = g_malloc0(sizeof(ResetInfo));
cpu = LM32_CPU(cpu_create(machine->cpu_type));
env = &cpu->env;
reset_info->cpu = cpu;
cpu_lm32_set_phys_msb_ignore(env, 1);
memory_region_allocate_system_memory(phys_sdram, NULL, "milkymist.sdram",
sdram_size);
memory_region_add_subregion(address_space_mem, sdram_base, phys_sdram);
dinfo = drive_get(IF_PFLASH, 0, 0);
/* Numonyx JS28F256J3F105 */
pflash_cfi01_register(flash_base, "milkymist.flash", flash_size,
dinfo ? blk_by_legacy_dinfo(dinfo) : NULL,
flash_sector_size, 2, 0x00, 0x89, 0x00, 0x1d, 1);
/* create irq lines */
env->pic_state = lm32_pic_init(qemu_allocate_irq(cpu_irq_handler, cpu, 0));
for (i = 0; i < 32; i++) {
irq[i] = qdev_get_gpio_in(env->pic_state, i);
}
/* load bios rom */
if (bios_name == NULL) {
bios_name = BIOS_FILENAME;
}
bios_filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name);
if (bios_filename) {
if (load_image_targphys(bios_filename, BIOS_OFFSET, BIOS_SIZE) < 0) {
error_report("could not load bios '%s'", bios_filename);
exit(1);
}
}
reset_info->bootstrap_pc = BIOS_OFFSET;
/* if no kernel is given no valid bios rom is a fatal error */
if (!kernel_filename && !dinfo && !bios_filename && !qtest_enabled()) {
error_report("could not load Milkymist One bios '%s'", bios_name);
exit(1);
}
g_free(bios_filename);
milkymist_uart_create(0x60000000, irq[0], serial_hd(0));
milkymist_sysctl_create(0x60001000, irq[1], irq[2], irq[3],
80000000, 0x10014d31, 0x0000041f, 0x00000001);
milkymist_hpdmc_create(0x60002000);
milkymist_vgafb_create(0x60003000, 0x40000000, 0x0fffffff);
milkymist_memcard_create(0x60004000);
milkymist_ac97_create(0x60005000, irq[4], irq[5], irq[6], irq[7]);
milkymist_pfpu_create(0x60006000, irq[8]);
if (machine->enable_graphics) {
milkymist_tmu2_create(0x60007000, irq[9]);
}
milkymist_minimac2_create(0x60008000, 0x30000000, irq[10], irq[11]);
milkymist_softusb_create(0x6000f000, irq[15],
0x20000000, 0x1000, 0x20020000, 0x2000);
/* make sure juart isn't the first chardev */
env->juart_state = lm32_juart_init(serial_hd(1));
if (kernel_filename) {
uint64_t entry;
/* Boots a kernel elf binary. */
kernel_size = load_elf(kernel_filename, NULL, NULL, NULL,
&entry, NULL, NULL,
1, EM_LATTICEMICO32, 0, 0);
reset_info->bootstrap_pc = entry;
if (kernel_size < 0) {
kernel_size = load_image_targphys(kernel_filename, sdram_base,
sdram_size);
reset_info->bootstrap_pc = sdram_base;
}
if (kernel_size < 0) {
error_report("could not load kernel '%s'", kernel_filename);
exit(1);
}
}
if (kernel_cmdline && strlen(kernel_cmdline)) {
pstrcpy_targphys("cmdline", cmdline_base, TARGET_PAGE_SIZE,
kernel_cmdline);
reset_info->cmdline_base = (uint32_t)cmdline_base;
}
if (initrd_filename) {
size_t initrd_size;
initrd_size = load_image_targphys(initrd_filename, initrd_base,
initrd_max);
reset_info->initrd_base = (uint32_t)initrd_base;
reset_info->initrd_size = (uint32_t)initrd_size;
}
qemu_register_reset(main_cpu_reset, reset_info);
}
static void
milkymist_init(QEMUMachineInitArgs *args)
{
const char *cpu_model = args->cpu_model;
const char *kernel_filename = args->kernel_filename;
const char *kernel_cmdline = args->kernel_cmdline;
const char *initrd_filename = args->initrd_filename;
LM32CPU *cpu;
CPULM32State *env;
int kernel_size;
DriveInfo *dinfo;
MemoryRegion *address_space_mem = get_system_memory();
MemoryRegion *phys_sdram = g_new(MemoryRegion, 1);
qemu_irq irq[32], *cpu_irq;
int i;
char *bios_filename;
ResetInfo *reset_info;
/* memory map */
hwaddr flash_base = 0x00000000;
size_t flash_sector_size = 128 * 1024;
size_t flash_size = 32 * 1024 * 1024;
hwaddr sdram_base = 0x40000000;
size_t sdram_size = 128 * 1024 * 1024;
hwaddr initrd_base = sdram_base + 0x1002000;
hwaddr cmdline_base = sdram_base + 0x1000000;
size_t initrd_max = sdram_size - 0x1002000;
reset_info = g_malloc0(sizeof(ResetInfo));
if (cpu_model == NULL) {
cpu_model = "lm32-full";
}
cpu = cpu_lm32_init(cpu_model);
if (cpu == NULL) {
fprintf(stderr, "qemu: unable to find CPU '%s'\n", cpu_model);
exit(1);
}
env = &cpu->env;
reset_info->cpu = cpu;
cpu_lm32_set_phys_msb_ignore(env, 1);
memory_region_init_ram(phys_sdram, NULL, "milkymist.sdram", sdram_size);
vmstate_register_ram_global(phys_sdram);
memory_region_add_subregion(address_space_mem, sdram_base, phys_sdram);
dinfo = drive_get(IF_PFLASH, 0, 0);
/* Numonyx JS28F256J3F105 */
pflash_cfi01_register(flash_base, NULL, "milkymist.flash", flash_size,
dinfo ? dinfo->bdrv : NULL, flash_sector_size,
flash_size / flash_sector_size, 2,
0x00, 0x89, 0x00, 0x1d, 1);
/* create irq lines */
cpu_irq = qemu_allocate_irqs(cpu_irq_handler, cpu, 1);
env->pic_state = lm32_pic_init(*cpu_irq);
for (i = 0; i < 32; i++) {
irq[i] = qdev_get_gpio_in(env->pic_state, i);
}
/* load bios rom */
if (bios_name == NULL) {
bios_name = BIOS_FILENAME;
}
bios_filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name);
if (bios_filename) {
load_image_targphys(bios_filename, BIOS_OFFSET, BIOS_SIZE);
}
reset_info->bootstrap_pc = BIOS_OFFSET;
/* if no kernel is given no valid bios rom is a fatal error */
if (!kernel_filename && !dinfo && !bios_filename && !qtest_enabled()) {
fprintf(stderr, "qemu: could not load Milkymist One bios '%s'\n",
bios_name);
exit(1);
}
milkymist_uart_create(0x60000000, irq[0]);
milkymist_sysctl_create(0x60001000, irq[1], irq[2], irq[3],
80000000, 0x10014d31, 0x0000041f, 0x00000001);
milkymist_hpdmc_create(0x60002000);
milkymist_vgafb_create(0x60003000, 0x40000000, 0x0fffffff);
milkymist_memcard_create(0x60004000);
milkymist_ac97_create(0x60005000, irq[4], irq[5], irq[6], irq[7]);
milkymist_pfpu_create(0x60006000, irq[8]);
milkymist_tmu2_create(0x60007000, irq[9]);
milkymist_minimac2_create(0x60008000, 0x30000000, irq[10], irq[11]);
milkymist_softusb_create(0x6000f000, irq[15],
0x20000000, 0x1000, 0x20020000, 0x2000);
/* make sure juart isn't the first chardev */
env->juart_state = lm32_juart_init();
if (kernel_filename) {
uint64_t entry;
/* Boots a kernel elf binary. */
kernel_size = load_elf(kernel_filename, NULL, NULL, &entry, NULL, NULL,
1, ELF_MACHINE, 0);
reset_info->bootstrap_pc = entry;
if (kernel_size < 0) {
kernel_size = load_image_targphys(kernel_filename, sdram_base,
sdram_size);
reset_info->bootstrap_pc = sdram_base;
}
if (kernel_size < 0) {
fprintf(stderr, "qemu: could not load kernel '%s'\n",
kernel_filename);
exit(1);
}
}
if (kernel_cmdline && strlen(kernel_cmdline)) {
pstrcpy_targphys("cmdline", cmdline_base, TARGET_PAGE_SIZE,
kernel_cmdline);
reset_info->cmdline_base = (uint32_t)cmdline_base;
}
if (initrd_filename) {
size_t initrd_size;
initrd_size = load_image_targphys(initrd_filename, initrd_base,
initrd_max);
reset_info->initrd_base = (uint32_t)initrd_base;
reset_info->initrd_size = (uint32_t)initrd_size;
}
qemu_register_reset(main_cpu_reset, reset_info);
}
static void
milkymist_init(ram_addr_t ram_size_not_used,
const char *boot_device,
const char *kernel_filename,
const char *kernel_cmdline,
const char *initrd_filename, const char *cpu_model)
{
CPUState *env;
int kernel_size;
DriveInfo *dinfo;
ram_addr_t phys_sdram;
ram_addr_t phys_flash;
qemu_irq irq[32], *cpu_irq;
int i;
char *bios_filename;
ResetInfo *reset_info;
/* memory map */
target_phys_addr_t flash_base = 0x00000000;
size_t flash_sector_size = 128 * 1024;
size_t flash_size = 32 * 1024 * 1024;
target_phys_addr_t sdram_base = 0x40000000;
size_t sdram_size = 128 * 1024 * 1024;
target_phys_addr_t initrd_base = sdram_base + 0x1002000;
target_phys_addr_t cmdline_base = sdram_base + 0x1000000;
size_t initrd_max = sdram_size - 0x1002000;
reset_info = qemu_mallocz(sizeof(ResetInfo));
if (cpu_model == NULL) {
cpu_model = "lm32-full";
}
env = cpu_init(cpu_model);
reset_info->env = env;
cpu_lm32_set_phys_msb_ignore(env, 1);
phys_sdram = qemu_ram_alloc(NULL, "milkymist.sdram", sdram_size);
cpu_register_physical_memory(sdram_base, sdram_size,
phys_sdram | IO_MEM_RAM);
phys_flash = qemu_ram_alloc(NULL, "milkymist.flash", flash_size);
dinfo = drive_get(IF_PFLASH, 0, 0);
/* Numonyx JS28F256J3F105 */
pflash_cfi01_register(flash_base, phys_flash,
dinfo ? dinfo->bdrv : NULL, flash_sector_size,
flash_size / flash_sector_size, 2,
0x00, 0x89, 0x00, 0x1d, 1);
/* create irq lines */
cpu_irq = qemu_allocate_irqs(cpu_irq_handler, env, 1);
env->pic_state = lm32_pic_init(*cpu_irq);
for (i = 0; i < 32; i++) {
irq[i] = qdev_get_gpio_in(env->pic_state, i);
}
/* load bios rom */
if (bios_name == NULL) {
bios_name = BIOS_FILENAME;
}
bios_filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name);
if (bios_filename) {
load_image_targphys(bios_filename, BIOS_OFFSET, BIOS_SIZE);
}
reset_info->bootstrap_pc = BIOS_OFFSET;
/* if no kernel is given no valid bios rom is a fatal error */
if (!kernel_filename && !dinfo && !bios_filename) {
fprintf(stderr, "qemu: could not load Milkymist One bios '%s'\n",
bios_name);
exit(1);
}
milkymist_uart_create(0x60000000, irq[0], irq[1]);
milkymist_sysctl_create(0x60001000, irq[2], irq[3], irq[4],
80000000, 0x10014d31, 0x0000041f, 0x00000001);
milkymist_hpdmc_create(0x60002000);
milkymist_vgafb_create(0x60003000, 0x40000000, 0x0fffffff);
milkymist_memcard_create(0x60004000);
milkymist_ac97_create(0x60005000, irq[5], irq[6], irq[7], irq[8]);
milkymist_pfpu_create(0x60006000, irq[9]);
milkymist_tmu2_create(0x60007000, irq[10]);
milkymist_minimac_create(0x60008000, irq[11], irq[12]);
milkymist_softusb_create(0x6000f000, irq[17],
0x20000000, 0x1000, 0x20020000, 0x2000);
/* make sure juart isn't the first chardev */
env->juart_state = lm32_juart_init();
if (kernel_filename) {
uint64_t entry;
/* Boots a kernel elf binary. */
kernel_size = load_elf(kernel_filename, NULL, NULL, &entry, NULL, NULL,
1, ELF_MACHINE, 0);
reset_info->bootstrap_pc = entry;
if (kernel_size < 0) {
kernel_size = load_image_targphys(kernel_filename, sdram_base,
sdram_size);
reset_info->bootstrap_pc = sdram_base;
}
if (kernel_size < 0) {
fprintf(stderr, "qemu: could not load kernel '%s'\n",
kernel_filename);
exit(1);
}
}
if (kernel_cmdline && strlen(kernel_cmdline)) {
pstrcpy_targphys("cmdline", cmdline_base, TARGET_PAGE_SIZE,
kernel_cmdline);
reset_info->cmdline_base = (uint32_t)cmdline_base;
}
if (initrd_filename) {
size_t initrd_size;
initrd_size = load_image_targphys(initrd_filename, initrd_base,
initrd_max);
reset_info->initrd_base = (uint32_t)initrd_base;
reset_info->initrd_size = (uint32_t)initrd_size;
}
qemu_register_reset(main_cpu_reset, reset_info);
}