* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
+#include "qemu/osdep.h"
#include "hw/hw.h"
#include "hw/timer/m48t59.h"
#include "hw/i386/pc.h"
#include "hw/pci/pci_host.h"
#include "hw/ppc/ppc.h"
#include "hw/boards.h"
+#include "qemu/error-report.h"
#include "qemu/log.h"
#include "hw/ide.h"
#include "hw/loader.h"
#include "hw/timer/mc146818rtc.h"
#include "hw/isa/pc87312.h"
-#include "sysemu/blockdev.h"
+#include "sysemu/block-backend.h"
#include "sysemu/arch_init.h"
#include "sysemu/qtest.h"
#include "exec/address-spaces.h"
+#include "trace.h"
#include "elf.h"
-//#define HARD_DEBUG_PPC_IO
-//#define DEBUG_PPC_IO
-
/* SMP is not enabled, for now */
#define MAX_CPUS 1
#define KERNEL_LOAD_ADDR 0x01000000
#define INITRD_LOAD_ADDR 0x01800000
-#if defined (HARD_DEBUG_PPC_IO) && !defined (DEBUG_PPC_IO)
-#define DEBUG_PPC_IO
-#endif
-
-#if defined (HARD_DEBUG_PPC_IO)
-#define PPC_IO_DPRINTF(fmt, ...) \
-do { \
- if (qemu_loglevel_mask(CPU_LOG_IOPORT)) { \
- qemu_log("%s: " fmt, __func__ , ## __VA_ARGS__); \
- } else { \
- printf("%s : " fmt, __func__ , ## __VA_ARGS__); \
- } \
-} while (0)
-#elif defined (DEBUG_PPC_IO)
-#define PPC_IO_DPRINTF(fmt, ...) \
-qemu_log_mask(CPU_LOG_IOPORT, fmt, ## __VA_ARGS__)
-#else
-#define PPC_IO_DPRINTF(fmt, ...) do { } while (0)
-#endif
-
/* Constants for devices init */
static const int ide_iobase[2] = { 0x1f0, 0x170 };
static const int ide_iobase2[2] = { 0x3f6, 0x376 };
/* Fake super-io ports for PREP platform (Intel 82378ZB) */
typedef struct sysctrl_t {
qemu_irq reset_irq;
- M48t59State *nvram;
+ Nvram *nvram;
uint8_t state;
uint8_t syscontrol;
int contiguous_map;
+ qemu_irq contiguous_map_irq;
int endian;
} sysctrl_t;
{
sysctrl_t *sysctrl = opaque;
- PPC_IO_DPRINTF("0x%08" PRIx32 " => 0x%02" PRIx32 "\n",
- addr - PPC_IO_BASE, val);
+ trace_prep_io_800_writeb(addr - PPC_IO_BASE, val);
switch (addr) {
case 0x0092:
/* Special port 92 */
break;
case 0x0810:
/* Password protect 1 register */
- if (sysctrl->nvram != NULL)
- m48t59_toggle_lock(sysctrl->nvram, 1);
+ if (sysctrl->nvram != NULL) {
+ NvramClass *k = NVRAM_GET_CLASS(sysctrl->nvram);
+ (k->toggle_lock)(sysctrl->nvram, 1);
+ }
break;
case 0x0812:
/* Password protect 2 register */
- if (sysctrl->nvram != NULL)
- m48t59_toggle_lock(sysctrl->nvram, 2);
+ if (sysctrl->nvram != NULL) {
+ NvramClass *k = NVRAM_GET_CLASS(sysctrl->nvram);
+ (k->toggle_lock)(sysctrl->nvram, 2);
+ }
break;
case 0x0814:
/* L2 invalidate register */
case 0x0850:
/* I/O map type register */
sysctrl->contiguous_map = val & 0x01;
+ qemu_set_irq(sysctrl->contiguous_map_irq, sysctrl->contiguous_map);
break;
default:
printf("ERROR: unaffected IO port write: %04" PRIx32
printf("ERROR: unaffected IO port: %04" PRIx32 " read\n", addr);
break;
}
- PPC_IO_DPRINTF("0x%08" PRIx32 " <= 0x%02" PRIx32 "\n",
- addr - PPC_IO_BASE, retval);
+ trace_prep_io_800_readb(addr - PPC_IO_BASE, retval);
return retval;
}
-static inline hwaddr prep_IO_address(sysctrl_t *sysctrl,
- hwaddr addr)
-{
- if (sysctrl->contiguous_map == 0) {
- /* 64 KB contiguous space for IOs */
- addr &= 0xFFFF;
- } else {
- /* 8 MB non-contiguous space for IOs */
- addr = (addr & 0x1F) | ((addr & 0x007FFF000) >> 7);
- }
- return addr;
-}
+#define NVRAM_SIZE 0x2000
-static void PPC_prep_io_writeb (void *opaque, hwaddr addr,
- uint32_t value)
+static void ppc_prep_reset(void *opaque)
{
- sysctrl_t *sysctrl = opaque;
+ PowerPCCPU *cpu = opaque;
- addr = prep_IO_address(sysctrl, addr);
- cpu_outb(addr, value);
+ cpu_reset(CPU(cpu));
}
-static uint32_t PPC_prep_io_readb (void *opaque, hwaddr addr)
-{
- sysctrl_t *sysctrl = opaque;
- uint32_t ret;
+static const MemoryRegionPortio prep_portio_list[] = {
+ /* System control ports */
+ { 0x0092, 1, 1, .read = PREP_io_800_readb, .write = PREP_io_800_writeb, },
+ { 0x0800, 0x52, 1,
+ .read = PREP_io_800_readb, .write = PREP_io_800_writeb, },
+ /* Special port to get debug messages from Open-Firmware */
+ { 0x0F00, 4, 1, .write = PPC_debug_write, },
+ PORTIO_END_OF_LIST(),
+};
- addr = prep_IO_address(sysctrl, addr);
- ret = cpu_inb(addr);
+static PortioList prep_port_list;
- return ret;
+/*****************************************************************************/
+/* NVRAM helpers */
+static inline uint32_t nvram_read(Nvram *nvram, uint32_t addr)
+{
+ NvramClass *k = NVRAM_GET_CLASS(sysctrl->nvram);
+ return (k->read)(nvram, addr);
}
-static void PPC_prep_io_writew (void *opaque, hwaddr addr,
- uint32_t value)
+static inline void nvram_write(Nvram *nvram, uint32_t addr, uint32_t val)
{
- sysctrl_t *sysctrl = opaque;
-
- addr = prep_IO_address(sysctrl, addr);
- PPC_IO_DPRINTF("0x" TARGET_FMT_plx " => 0x%08" PRIx32 "\n", addr, value);
- cpu_outw(addr, value);
+ NvramClass *k = NVRAM_GET_CLASS(sysctrl->nvram);
+ (k->write)(nvram, addr, val);
}
-static uint32_t PPC_prep_io_readw (void *opaque, hwaddr addr)
+static void NVRAM_set_byte(Nvram *nvram, uint32_t addr, uint8_t value)
{
- sysctrl_t *sysctrl = opaque;
- uint32_t ret;
+ nvram_write(nvram, addr, value);
+}
- addr = prep_IO_address(sysctrl, addr);
- ret = cpu_inw(addr);
- PPC_IO_DPRINTF("0x" TARGET_FMT_plx " <= 0x%08" PRIx32 "\n", addr, ret);
+static uint8_t NVRAM_get_byte(Nvram *nvram, uint32_t addr)
+{
+ return nvram_read(nvram, addr);
+}
- return ret;
+static void NVRAM_set_word(Nvram *nvram, uint32_t addr, uint16_t value)
+{
+ nvram_write(nvram, addr, value >> 8);
+ nvram_write(nvram, addr + 1, value & 0xFF);
}
-static void PPC_prep_io_writel (void *opaque, hwaddr addr,
- uint32_t value)
+static uint16_t NVRAM_get_word(Nvram *nvram, uint32_t addr)
{
- sysctrl_t *sysctrl = opaque;
+ uint16_t tmp;
- addr = prep_IO_address(sysctrl, addr);
- PPC_IO_DPRINTF("0x" TARGET_FMT_plx " => 0x%08" PRIx32 "\n", addr, value);
- cpu_outl(addr, value);
+ tmp = nvram_read(nvram, addr) << 8;
+ tmp |= nvram_read(nvram, addr + 1);
+
+ return tmp;
}
-static uint32_t PPC_prep_io_readl (void *opaque, hwaddr addr)
+static void NVRAM_set_lword(Nvram *nvram, uint32_t addr, uint32_t value)
{
- sysctrl_t *sysctrl = opaque;
- uint32_t ret;
+ nvram_write(nvram, addr, value >> 24);
+ nvram_write(nvram, addr + 1, (value >> 16) & 0xFF);
+ nvram_write(nvram, addr + 2, (value >> 8) & 0xFF);
+ nvram_write(nvram, addr + 3, value & 0xFF);
+}
- addr = prep_IO_address(sysctrl, addr);
- ret = cpu_inl(addr);
- PPC_IO_DPRINTF("0x" TARGET_FMT_plx " <= 0x%08" PRIx32 "\n", addr, ret);
+static void NVRAM_set_string(Nvram *nvram, uint32_t addr, const char *str,
+ uint32_t max)
+{
+ int i;
- return ret;
+ for (i = 0; i < max && str[i] != '\0'; i++) {
+ nvram_write(nvram, addr + i, str[i]);
+ }
+ nvram_write(nvram, addr + i, str[i]);
+ nvram_write(nvram, addr + max - 1, '\0');
}
-static const MemoryRegionOps PPC_prep_io_ops = {
- .old_mmio = {
- .read = { PPC_prep_io_readb, PPC_prep_io_readw, PPC_prep_io_readl },
- .write = { PPC_prep_io_writeb, PPC_prep_io_writew, PPC_prep_io_writel },
- },
- .endianness = DEVICE_NATIVE_ENDIAN,
-};
+static uint16_t NVRAM_crc_update (uint16_t prev, uint16_t value)
+{
+ uint16_t tmp;
+ uint16_t pd, pd1, pd2;
-#define NVRAM_SIZE 0x2000
+ tmp = prev >> 8;
+ pd = prev ^ value;
+ pd1 = pd & 0x000F;
+ pd2 = ((pd >> 4) & 0x000F) ^ pd1;
+ tmp ^= (pd1 << 3) | (pd1 << 8);
+ tmp ^= pd2 | (pd2 << 7) | (pd2 << 12);
-static void cpu_request_exit(void *opaque, int irq, int level)
-{
- CPUState *cpu = current_cpu;
+ return tmp;
+}
- if (cpu && level) {
- cpu_exit(cpu);
+static uint16_t NVRAM_compute_crc (Nvram *nvram, uint32_t start, uint32_t count)
+{
+ uint32_t i;
+ uint16_t crc = 0xFFFF;
+ int odd;
+
+ odd = count & 1;
+ count &= ~1;
+ for (i = 0; i != count; i++) {
+ crc = NVRAM_crc_update(crc, NVRAM_get_word(nvram, start + i));
}
+ if (odd) {
+ crc = NVRAM_crc_update(crc, NVRAM_get_byte(nvram, start + i) << 8);
+ }
+
+ return crc;
}
-static void ppc_prep_reset(void *opaque)
+#define CMDLINE_ADDR 0x017ff000
+
+static int PPC_NVRAM_set_params (Nvram *nvram, uint16_t NVRAM_size,
+ const char *arch,
+ uint32_t RAM_size, int boot_device,
+ uint32_t kernel_image, uint32_t kernel_size,
+ const char *cmdline,
+ uint32_t initrd_image, uint32_t initrd_size,
+ uint32_t NVRAM_image,
+ int width, int height, int depth)
{
- PowerPCCPU *cpu = opaque;
+ uint16_t crc;
+
+ /* Set parameters for Open Hack'Ware BIOS */
+ NVRAM_set_string(nvram, 0x00, "QEMU_BIOS", 16);
+ NVRAM_set_lword(nvram, 0x10, 0x00000002); /* structure v2 */
+ NVRAM_set_word(nvram, 0x14, NVRAM_size);
+ NVRAM_set_string(nvram, 0x20, arch, 16);
+ NVRAM_set_lword(nvram, 0x30, RAM_size);
+ NVRAM_set_byte(nvram, 0x34, boot_device);
+ NVRAM_set_lword(nvram, 0x38, kernel_image);
+ NVRAM_set_lword(nvram, 0x3C, kernel_size);
+ if (cmdline) {
+ /* XXX: put the cmdline in NVRAM too ? */
+ pstrcpy_targphys("cmdline", CMDLINE_ADDR, RAM_size - CMDLINE_ADDR,
+ cmdline);
+ NVRAM_set_lword(nvram, 0x40, CMDLINE_ADDR);
+ NVRAM_set_lword(nvram, 0x44, strlen(cmdline));
+ } else {
+ NVRAM_set_lword(nvram, 0x40, 0);
+ NVRAM_set_lword(nvram, 0x44, 0);
+ }
+ NVRAM_set_lword(nvram, 0x48, initrd_image);
+ NVRAM_set_lword(nvram, 0x4C, initrd_size);
+ NVRAM_set_lword(nvram, 0x50, NVRAM_image);
- cpu_reset(CPU(cpu));
+ NVRAM_set_word(nvram, 0x54, width);
+ NVRAM_set_word(nvram, 0x56, height);
+ NVRAM_set_word(nvram, 0x58, depth);
+ crc = NVRAM_compute_crc(nvram, 0x00, 0xF8);
+ NVRAM_set_word(nvram, 0xFC, crc);
- /* Reset address */
- cpu->env.nip = 0xfffffffc;
+ return 0;
}
-static const MemoryRegionPortio prep_portio_list[] = {
- /* System control ports */
- { 0x0092, 1, 1, .read = PREP_io_800_readb, .write = PREP_io_800_writeb, },
- { 0x0800, 0x52, 1,
- .read = PREP_io_800_readb, .write = PREP_io_800_writeb, },
- /* Special port to get debug messages from Open-Firmware */
- { 0x0F00, 4, 1, .write = PPC_debug_write, },
- PORTIO_END_OF_LIST(),
-};
-
/* PowerPC PREP hardware initialisation */
-static void ppc_prep_init(QEMUMachineInitArgs *args)
+static void ppc_prep_init(MachineState *machine)
{
- ram_addr_t ram_size = args->ram_size;
- 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;
- const char *boot_device = args->boot_order;
+ ram_addr_t ram_size = machine->ram_size;
+ const char *kernel_filename = machine->kernel_filename;
+ const char *kernel_cmdline = machine->kernel_cmdline;
+ const char *initrd_filename = machine->initrd_filename;
+ const char *boot_device = machine->boot_order;
MemoryRegion *sysmem = get_system_memory();
PowerPCCPU *cpu = NULL;
CPUPPCState *env = NULL;
- char *filename;
- nvram_t nvram;
- M48t59State *m48t59;
- MemoryRegion *PPC_io_memory = g_new(MemoryRegion, 1);
- PortioList *port_list = g_new(PortioList, 1);
+ Nvram *m48t59;
#if 0
MemoryRegion *xcsr = g_new(MemoryRegion, 1);
#endif
- int linux_boot, i, nb_nics1, bios_size;
+ int linux_boot, i, nb_nics1;
MemoryRegion *ram = g_new(MemoryRegion, 1);
- MemoryRegion *bios = g_new(MemoryRegion, 1);
uint32_t kernel_base, initrd_base;
long kernel_size, initrd_size;
DeviceState *dev;
PCIDevice *pci;
ISABus *isa_bus;
ISADevice *isa;
- qemu_irq *cpu_exit_irq;
int ppc_boot_device;
DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
linux_boot = (kernel_filename != NULL);
/* init CPUs */
- if (cpu_model == NULL)
- cpu_model = "602";
+ if (machine->cpu_model == NULL)
+ machine->cpu_model = "602";
for (i = 0; i < smp_cpus; i++) {
- cpu = cpu_ppc_init(cpu_model);
+ cpu = cpu_ppc_init(machine->cpu_model);
if (cpu == NULL) {
fprintf(stderr, "Unable to find PowerPC CPU definition\n");
exit(1);
}
/* allocate RAM */
- memory_region_init_ram(ram, NULL, "ppc_prep.ram", ram_size);
- vmstate_register_ram_global(ram);
+ memory_region_allocate_system_memory(ram, NULL, "ppc_prep.ram", ram_size);
memory_region_add_subregion(sysmem, 0, ram);
- /* allocate and load BIOS */
- memory_region_init_ram(bios, NULL, "ppc_prep.bios", BIOS_SIZE);
- memory_region_set_readonly(bios, true);
- memory_region_add_subregion(sysmem, (uint32_t)(-BIOS_SIZE), bios);
- vmstate_register_ram_global(bios);
- if (bios_name == NULL)
- bios_name = BIOS_FILENAME;
- filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name);
- if (filename) {
- bios_size = load_elf(filename, NULL, NULL, NULL,
- NULL, NULL, 1, ELF_MACHINE, 0);
- if (bios_size < 0) {
- bios_size = get_image_size(filename);
- if (bios_size > 0 && bios_size <= BIOS_SIZE) {
- hwaddr bios_addr;
- bios_size = (bios_size + 0xfff) & ~0xfff;
- bios_addr = (uint32_t)(-bios_size);
- bios_size = load_image_targphys(filename, bios_addr, bios_size);
- }
- if (bios_size > BIOS_SIZE) {
- fprintf(stderr, "qemu: PReP bios '%s' is too large (0x%x)\n",
- bios_name, bios_size);
- exit(1);
- }
- }
- } else {
- bios_size = -1;
- }
- if (bios_size < 0 && !qtest_enabled()) {
- fprintf(stderr, "qemu: could not load PPC PReP bios '%s'\n",
- bios_name);
- exit(1);
- }
- if (filename) {
- g_free(filename);
- }
-
if (linux_boot) {
kernel_base = KERNEL_LOAD_ADDR;
/* now we can load the kernel */
kernel_size = load_image_targphys(kernel_filename, kernel_base,
ram_size - kernel_base);
if (kernel_size < 0) {
- hw_error("qemu: could not load kernel '%s'\n", kernel_filename);
+ error_report("could not load kernel '%s'", kernel_filename);
exit(1);
}
/* load initrd */
initrd_size = load_image_targphys(initrd_filename, initrd_base,
ram_size - initrd_base);
if (initrd_size < 0) {
- hw_error("qemu: could not load initial ram disk '%s'\n",
- initrd_filename);
+ error_report("could not load initial ram disk '%s'",
+ initrd_filename);
+ exit(1);
}
} else {
initrd_base = 0;
}
if (PPC_INPUT(env) != PPC_FLAGS_INPUT_6xx) {
- hw_error("Only 6xx bus is supported on PREP machine\n");
+ error_report("Only 6xx bus is supported on PREP machine");
+ exit(1);
}
dev = qdev_create(NULL, "raven-pcihost");
+ if (bios_name == NULL) {
+ bios_name = BIOS_FILENAME;
+ }
+ qdev_prop_set_string(dev, "bios-name", bios_name);
+ qdev_prop_set_uint32(dev, "elf-machine", PPC_ELF_MACHINE);
pcihost = PCI_HOST_BRIDGE(dev);
object_property_add_child(qdev_get_machine(), "raven", OBJECT(dev), NULL);
qdev_init_nofail(dev);
fprintf(stderr, "Couldn't create PCI host controller.\n");
exit(1);
}
+ sysctrl->contiguous_map_irq = qdev_get_gpio_in(dev, 0);
/* PCI -> ISA bridge */
pci = pci_create_simple(pci_bus, PCI_DEVFN(1, 0), "i82378");
- cpu_exit_irq = qemu_allocate_irqs(cpu_request_exit, NULL, 1);
cpu = POWERPC_CPU(first_cpu);
qdev_connect_gpio_out(&pci->qdev, 0,
cpu->env.irq_inputs[PPC6xx_INPUT_INT]);
- qdev_connect_gpio_out(&pci->qdev, 1, *cpu_exit_irq);
sysbus_connect_irq(&pcihost->busdev, 0, qdev_get_gpio_in(&pci->qdev, 9));
sysbus_connect_irq(&pcihost->busdev, 1, qdev_get_gpio_in(&pci->qdev, 11));
sysbus_connect_irq(&pcihost->busdev, 2, qdev_get_gpio_in(&pci->qdev, 9));
qdev_prop_set_uint8(dev, "config", 13); /* fdc, ser0, ser1, par0 */
qdev_init_nofail(dev);
- /* Register 8 MB of ISA IO space (needed for non-contiguous map) */
- memory_region_init_io(PPC_io_memory, NULL, &PPC_prep_io_ops, sysctrl,
- "ppc-io", 0x00800000);
- memory_region_add_subregion(sysmem, 0x80000000, PPC_io_memory);
-
/* init basic PC hardware */
pci_vga_init(pci_bus);
}
}
- ide_drive_get(hd, MAX_IDE_BUS);
+ ide_drive_get(hd, ARRAY_SIZE(hd));
for(i = 0; i < MAX_IDE_BUS; i++) {
isa_ide_init(isa_bus, ide_iobase[i], ide_iobase2[i], ide_irq[i],
hd[2 * i],
cpu = POWERPC_CPU(first_cpu);
sysctrl->reset_irq = cpu->env.irq_inputs[PPC6xx_INPUT_HRESET];
- portio_list_init(port_list, NULL, prep_portio_list, sysctrl, "prep");
- portio_list_add(port_list, get_system_io(), 0x0);
+ portio_list_init(&prep_port_list, NULL, prep_portio_list, sysctrl, "prep");
+ portio_list_add(&prep_port_list, isa_address_space_io(isa), 0x0);
/* PowerPC control and status register group */
#if 0
memory_region_add_subregion(sysmem, 0xFEFF0000, xcsr);
#endif
- if (usb_enabled(false)) {
+ if (usb_enabled()) {
pci_create_simple(pci_bus, -1, "pci-ohci");
}
- m48t59 = m48t59_init_isa(isa_bus, 0x0074, NVRAM_SIZE, 59);
+ m48t59 = m48t59_init_isa(isa_bus, 0x0074, NVRAM_SIZE, 2000, 59);
if (m48t59 == NULL)
return;
sysctrl->nvram = m48t59;
/* Initialise NVRAM */
- nvram.opaque = m48t59;
- nvram.read_fn = &m48t59_read;
- nvram.write_fn = &m48t59_write;
- PPC_NVRAM_set_params(&nvram, NVRAM_SIZE, "PREP", ram_size, ppc_boot_device,
+ PPC_NVRAM_set_params(m48t59, NVRAM_SIZE, "PREP", ram_size,
+ ppc_boot_device,
kernel_base, kernel_size,
kernel_cmdline,
initrd_base, initrd_size,
graphic_width, graphic_height, graphic_depth);
}
-static QEMUMachine prep_machine = {
- .name = "prep",
- .desc = "PowerPC PREP platform",
- .init = ppc_prep_init,
- .max_cpus = MAX_CPUS,
- .default_boot_order = "cad",
-};
-
-static void prep_machine_init(void)
+static void prep_machine_init(MachineClass *mc)
{
- qemu_register_machine(&prep_machine);
+ mc->desc = "PowerPC PREP platform";
+ mc->init = ppc_prep_init;
+ mc->max_cpus = MAX_CPUS;
+ mc->default_boot_order = "cad";
}
-machine_init(prep_machine_init);
+DEFINE_MACHINE("prep", prep_machine_init)
projects / qemu.git / blobdiff