#include "hw/ide.h"
#include "hw/timer/i8254.h"
#include "hw/char/serial.h"
+#include "hw/hppa/hppa_sys.h"
#include "qemu/cutils.h"
#include "qapi/error.h"
+#define MAX_IDE_BUS 2
+
+static ISABus *hppa_isa_bus(void)
+{
+ ISABus *isa_bus;
+ qemu_irq *isa_irqs;
+ MemoryRegion *isa_region;
+
+ isa_region = g_new(MemoryRegion, 1);
+ memory_region_init_io(isa_region, NULL, &hppa_pci_ignore_ops,
+ NULL, "isa-io", 0x800);
+ memory_region_add_subregion(get_system_memory(), IDE_HPA,
+ isa_region);
+
+ isa_bus = isa_bus_new(NULL, get_system_memory(), isa_region,
+ &error_abort);
+ isa_irqs = i8259_init(isa_bus,
+ /* qemu_allocate_irq(dino_set_isa_irq, s, 0)); */
+ NULL);
+ isa_bus_irqs(isa_bus, isa_irqs);
+
+ return isa_bus;
+}
+
+static uint64_t cpu_hppa_to_phys(void *opaque, uint64_t addr)
+{
+ addr &= (0x10000000 - 1);
+ return addr;
+}
+
+static HPPACPU *cpu[HPPA_MAX_CPUS];
+static uint64_t firmware_entry;
static void machine_hppa_init(MachineState *machine)
{
+ const char *kernel_filename = machine->kernel_filename;
+ const char *kernel_cmdline = machine->kernel_cmdline;
+ const char *initrd_filename = machine->initrd_filename;
+ PCIBus *pci_bus;
+ ISABus *isa_bus;
+ qemu_irq rtc_irq, serial_irq;
+ char *firmware_filename;
+ uint64_t firmware_low, firmware_high;
+ long size;
+ uint64_t kernel_entry = 0, kernel_low, kernel_high;
+ MemoryRegion *addr_space = get_system_memory();
+ MemoryRegion *rom_region;
+ MemoryRegion *ram_region;
+ MemoryRegion *cpu_region;
+ long i;
+
+ ram_size = machine->ram_size;
+
+ /* Create CPUs. */
+ for (i = 0; i < smp_cpus; i++) {
+ cpu[i] = HPPA_CPU(cpu_create(machine->cpu_type));
+
+ cpu_region = g_new(MemoryRegion, 1);
+ memory_region_init_io(cpu_region, OBJECT(cpu[i]), &hppa_io_eir_ops,
+ cpu[i], g_strdup_printf("cpu%ld-io-eir", i), 4);
+ memory_region_add_subregion(addr_space, CPU_HPA + i * 0x1000,
+ cpu_region);
+ }
+
+ /* Limit main memory. */
+ if (ram_size > FIRMWARE_START) {
+ machine->ram_size = ram_size = FIRMWARE_START;
+ }
+
+ /* Main memory region. */
+ ram_region = g_new(MemoryRegion, 1);
+ memory_region_allocate_system_memory(ram_region, OBJECT(machine),
+ "ram", ram_size);
+ memory_region_add_subregion(addr_space, 0, ram_region);
+
+ /* Init Dino (PCI host bus chip). */
+ pci_bus = dino_init(addr_space, &rtc_irq, &serial_irq);
+ assert(pci_bus);
+
+ /* Create ISA bus. */
+ isa_bus = hppa_isa_bus();
+ assert(isa_bus);
+
+ /* Realtime clock, used by firmware for PDC_TOD call. */
+ mc146818_rtc_init(isa_bus, 2000, rtc_irq);
+
+ /* Serial code setup. */
+ if (serial_hds[0]) {
+ uint32_t addr = DINO_UART_HPA + 0x800;
+ serial_mm_init(addr_space, addr, 0, serial_irq,
+ 115200, serial_hds[0], DEVICE_BIG_ENDIAN);
+ fprintf(stderr, "Serial port created at 0x%x\n", addr);
+ }
+
+ /* SCSI disk setup. */
+ lsi53c895a_create(pci_bus);
+
+ /* Network setup. e1000 is good enough, failing Tulip support. */
+ for (i = 0; i < nb_nics; i++) {
+ pci_nic_init_nofail(&nd_table[i], pci_bus, "e1000", NULL);
+ }
+
+ /* Load firmware. Given that this is not "real" firmware,
+ but one explicitly written for the emulation, we might as
+ well load it directly from an ELF image. */
+ firmware_filename = qemu_find_file(QEMU_FILE_TYPE_BIOS,
+ bios_name ? bios_name :
+ "hppa-firmware.img");
+ if (firmware_filename == NULL) {
+ error_report("no firmware provided");
+ exit(1);
+ }
+
+ size = load_elf(firmware_filename, NULL,
+ NULL, &firmware_entry, &firmware_low, &firmware_high,
+ true, EM_PARISC, 0, 0);
+
+ /* Unfortunately, load_elf sign-extends reading elf32. */
+ firmware_entry = (target_ureg)firmware_entry;
+ firmware_low = (target_ureg)firmware_low;
+ firmware_high = (target_ureg)firmware_high;
+
+ if (size < 0) {
+ error_report("could not load firmware '%s'", firmware_filename);
+ exit(1);
+ }
+ fprintf(stderr, "Firmware loaded at 0x%08" PRIx64 "-0x%08" PRIx64
+ ", entry at 0x%08" PRIx64 ".\n",
+ firmware_low, firmware_high, firmware_entry);
+ if (firmware_low < ram_size || firmware_high >= FIRMWARE_END) {
+ error_report("Firmware overlaps with memory or IO space");
+ exit(1);
+ }
+ g_free(firmware_filename);
+
+ rom_region = g_new(MemoryRegion, 1);
+ memory_region_allocate_system_memory(rom_region, OBJECT(machine),
+ "firmware",
+ (FIRMWARE_END - FIRMWARE_START));
+ memory_region_add_subregion(addr_space, FIRMWARE_START, rom_region);
+
+ /* Load kernel */
+ if (kernel_filename) {
+ fprintf(stderr, "LOADING kernel '%s'\n", kernel_filename);
+ size = load_elf(kernel_filename, &cpu_hppa_to_phys,
+ NULL, &kernel_entry, &kernel_low, &kernel_high,
+ true, EM_PARISC, 0, 0);
+
+ /* Unfortunately, load_elf sign-extends reading elf32. */
+ kernel_entry = (target_ureg) cpu_hppa_to_phys(NULL, kernel_entry);
+ kernel_low = (target_ureg)kernel_low;
+ kernel_high = (target_ureg)kernel_high;
+
+ if (size < 0) {
+ error_report("could not load kernel '%s'", kernel_filename);
+ exit(1);
+ }
+
+ fprintf(stderr, "Kernel loaded at 0x%08" PRIx64 "-0x%08" PRIx64
+ ", entry at 0x%08" PRIx64 ", size %ld kB.\n",
+ kernel_low, kernel_high, kernel_entry, size / 1024);
+
+ if (kernel_cmdline) {
+ cpu[0]->env.gr[24] = 0x4000;
+ pstrcpy_targphys("cmdline", cpu[0]->env.gr[24],
+ TARGET_PAGE_SIZE, kernel_cmdline);
+ }
+
+ if (initrd_filename) {
+ ram_addr_t initrd_base;
+ long initrd_size;
+
+ initrd_size = get_image_size(initrd_filename);
+ if (initrd_size < 0) {
+ error_report("could not load initial ram disk '%s'",
+ initrd_filename);
+ exit(1);
+ }
+
+ /* Load the initrd image high in memory.
+ Mirror the algorithm used by palo:
+ (1) Due to sign-extension problems and PDC,
+ put the initrd no higher than 1G.
+ (2) Reserve 64k for stack. */
+ initrd_base = MIN(ram_size, 1024 * 1024 * 1024);
+ initrd_base = initrd_base - 64 * 1024;
+ initrd_base = (initrd_base - initrd_size) & TARGET_PAGE_MASK;
+
+ if (initrd_base < kernel_high) {
+ error_report("kernel and initial ram disk too large!");
+ exit(1);
+ }
+
+ load_image_targphys(initrd_filename, initrd_base, initrd_size);
+ cpu[0]->env.gr[23] = initrd_base;
+ cpu[0]->env.gr[22] = initrd_base + initrd_size;
+ }
+ }
+
+ if (!kernel_entry) {
+ /* When booting via firmware, tell firmware if we want interactive
+ * mode (kernel_entry=1), and to boot from CD (gr[24]='d')
+ * or hard disc * (gr[24]='c').
+ */
+ kernel_entry = boot_menu ? 1 : 0;
+ cpu[0]->env.gr[24] = machine->boot_order[0];
+ }
+
+ /* We jump to the firmware entry routine and pass the
+ * various parameters in registers. After firmware initialization,
+ * firmware will start the Linux kernel with ramdisk and cmdline.
+ */
+ cpu[0]->env.gr[26] = ram_size;
+ cpu[0]->env.gr[25] = kernel_entry;
+
+ /* tell firmware how many SMP CPUs to present in inventory table */
+ cpu[0]->env.gr[21] = smp_cpus;
}
+static void hppa_machine_reset(void)
+{
+ int i;
+
+ qemu_devices_reset();
+
+ /* Start all CPUs at the firmware entry point.
+ * Monarch CPU will initialize firmware, secondary CPUs
+ * will enter a small idle look and wait for rendevouz. */
+ for (i = 0; i < smp_cpus; i++) {
+ cpu_set_pc(CPU(cpu[i]), firmware_entry);
+ cpu[i]->env.gr[5] = CPU_HPA + i * 0x1000;
+ }
+
+ /* already initialized by machine_hppa_init()? */
+ if (cpu[0]->env.gr[26] == ram_size) {
+ return;
+ }
+
+ cpu[0]->env.gr[26] = ram_size;
+ cpu[0]->env.gr[25] = 0; /* no firmware boot menu */
+ cpu[0]->env.gr[24] = 'c';
+ /* gr22/gr23 unused, no initrd while reboot. */
+ cpu[0]->env.gr[21] = smp_cpus;
+}
+
+
static void machine_hppa_machine_init(MachineClass *mc)
{
mc->desc = "HPPA generic machine";
+ mc->default_cpu_type = TYPE_HPPA_CPU;
mc->init = machine_hppa_init;
+ mc->reset = hppa_machine_reset;
mc->block_default_type = IF_SCSI;
- mc->max_cpus = 1;
+ mc->max_cpus = HPPA_MAX_CPUS;
+ mc->default_cpus = 1;
mc->is_default = 1;
mc->default_ram_size = 512 * M_BYTE;
mc->default_boot_order = "cd";
projects / mirror_qemu.git / blobdiff