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author | Andreas Färber <andreas.faerber@web.de> | 2013-01-26 20:41:58 +0100 |
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committer | Andreas Färber <andreas.faerber@web.de> | 2013-01-30 10:42:29 +0100 |
commit | 75610155562bd480356a7a5018e5de4c44ec7884 (patch) | |
tree | 877bdb898ddcd50c3573ee2fb0e0ee0e1a076eb6 /hw/ppc_prep.c | |
parent | 8d5ce2e5643f4055b67ea012d91e812f1e607a83 (diff) | |
download | hqemu-75610155562bd480356a7a5018e5de4c44ec7884.zip hqemu-75610155562bd480356a7a5018e5de4c44ec7884.tar.gz |
prep: Move PReP machine to hw/ppc/
Signed-off-by: Andreas Färber <andreas.faerber@web.de>
Diffstat (limited to 'hw/ppc_prep.c')
-rw-r--r-- | hw/ppc_prep.c | 680 |
1 files changed, 0 insertions, 680 deletions
diff --git a/hw/ppc_prep.c b/hw/ppc_prep.c deleted file mode 100644 index a35fbed..0000000 --- a/hw/ppc_prep.c +++ /dev/null @@ -1,680 +0,0 @@ -/* - * QEMU PPC PREP hardware System Emulator - * - * Copyright (c) 2003-2007 Jocelyn Mayer - * - * 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 "hw.h" -#include "nvram.h" -#include "pc.h" -#include "serial.h" -#include "fdc.h" -#include "net/net.h" -#include "sysemu/sysemu.h" -#include "isa.h" -#include "pci/pci.h" -#include "pci/pci_host.h" -#include "ppc.h" -#include "boards.h" -#include "qemu/log.h" -#include "ide.h" -#include "loader.h" -#include "mc146818rtc.h" -#include "pc87312.h" -#include "sysemu/blockdev.h" -#include "sysemu/arch_init.h" -#include "exec/address-spaces.h" - -//#define HARD_DEBUG_PPC_IO -//#define DEBUG_PPC_IO - -/* SMP is not enabled, for now */ -#define MAX_CPUS 1 - -#define MAX_IDE_BUS 2 - -#define BIOS_SIZE (1024 * 1024) -#define BIOS_FILENAME "ppc_rom.bin" -#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 }; -static const int ide_irq[2] = { 13, 13 }; - -#define NE2000_NB_MAX 6 - -static uint32_t ne2000_io[NE2000_NB_MAX] = { 0x300, 0x320, 0x340, 0x360, 0x280, 0x380 }; -static int ne2000_irq[NE2000_NB_MAX] = { 9, 10, 11, 3, 4, 5 }; - -/* ISA IO ports bridge */ -#define PPC_IO_BASE 0x80000000 - -/* PowerPC control and status registers */ -#if 0 // Not used -static struct { - /* IDs */ - uint32_t veni_devi; - uint32_t revi; - /* Control and status */ - uint32_t gcsr; - uint32_t xcfr; - uint32_t ct32; - uint32_t mcsr; - /* General purpose registers */ - uint32_t gprg[6]; - /* Exceptions */ - uint32_t feen; - uint32_t fest; - uint32_t fema; - uint32_t fecl; - uint32_t eeen; - uint32_t eest; - uint32_t eecl; - uint32_t eeint; - uint32_t eemck0; - uint32_t eemck1; - /* Error diagnostic */ -} XCSR; - -static void PPC_XCSR_writeb (void *opaque, - hwaddr addr, uint32_t value) -{ - printf("%s: 0x" TARGET_FMT_plx " => 0x%08" PRIx32 "\n", __func__, addr, - value); -} - -static void PPC_XCSR_writew (void *opaque, - hwaddr addr, uint32_t value) -{ - printf("%s: 0x" TARGET_FMT_plx " => 0x%08" PRIx32 "\n", __func__, addr, - value); -} - -static void PPC_XCSR_writel (void *opaque, - hwaddr addr, uint32_t value) -{ - printf("%s: 0x" TARGET_FMT_plx " => 0x%08" PRIx32 "\n", __func__, addr, - value); -} - -static uint32_t PPC_XCSR_readb (void *opaque, hwaddr addr) -{ - uint32_t retval = 0; - - printf("%s: 0x" TARGET_FMT_plx " <= %08" PRIx32 "\n", __func__, addr, - retval); - - return retval; -} - -static uint32_t PPC_XCSR_readw (void *opaque, hwaddr addr) -{ - uint32_t retval = 0; - - printf("%s: 0x" TARGET_FMT_plx " <= %08" PRIx32 "\n", __func__, addr, - retval); - - return retval; -} - -static uint32_t PPC_XCSR_readl (void *opaque, hwaddr addr) -{ - uint32_t retval = 0; - - printf("%s: 0x" TARGET_FMT_plx " <= %08" PRIx32 "\n", __func__, addr, - retval); - - return retval; -} - -static const MemoryRegionOps PPC_XCSR_ops = { - .old_mmio = { - .read = { PPC_XCSR_readb, PPC_XCSR_readw, PPC_XCSR_readl, }, - .write = { PPC_XCSR_writeb, PPC_XCSR_writew, PPC_XCSR_writel, }, - }, - .endianness = DEVICE_LITTLE_ENDIAN, -}; - -#endif - -/* Fake super-io ports for PREP platform (Intel 82378ZB) */ -typedef struct sysctrl_t { - qemu_irq reset_irq; - M48t59State *nvram; - uint8_t state; - uint8_t syscontrol; - int contiguous_map; - int endian; -} sysctrl_t; - -enum { - STATE_HARDFILE = 0x01, -}; - -static sysctrl_t *sysctrl; - -static void PREP_io_800_writeb (void *opaque, uint32_t addr, uint32_t val) -{ - sysctrl_t *sysctrl = opaque; - - PPC_IO_DPRINTF("0x%08" PRIx32 " => 0x%02" PRIx32 "\n", - addr - PPC_IO_BASE, val); - switch (addr) { - case 0x0092: - /* Special port 92 */ - /* Check soft reset asked */ - if (val & 0x01) { - qemu_irq_raise(sysctrl->reset_irq); - } else { - qemu_irq_lower(sysctrl->reset_irq); - } - /* Check LE mode */ - if (val & 0x02) { - sysctrl->endian = 1; - } else { - sysctrl->endian = 0; - } - break; - case 0x0800: - /* Motorola CPU configuration register : read-only */ - break; - case 0x0802: - /* Motorola base module feature register : read-only */ - break; - case 0x0803: - /* Motorola base module status register : read-only */ - break; - case 0x0808: - /* Hardfile light register */ - if (val & 1) - sysctrl->state |= STATE_HARDFILE; - else - sysctrl->state &= ~STATE_HARDFILE; - break; - case 0x0810: - /* Password protect 1 register */ - if (sysctrl->nvram != NULL) - m48t59_toggle_lock(sysctrl->nvram, 1); - break; - case 0x0812: - /* Password protect 2 register */ - if (sysctrl->nvram != NULL) - m48t59_toggle_lock(sysctrl->nvram, 2); - break; - case 0x0814: - /* L2 invalidate register */ - // tlb_flush(first_cpu, 1); - break; - case 0x081C: - /* system control register */ - sysctrl->syscontrol = val & 0x0F; - break; - case 0x0850: - /* I/O map type register */ - sysctrl->contiguous_map = val & 0x01; - break; - default: - printf("ERROR: unaffected IO port write: %04" PRIx32 - " => %02" PRIx32"\n", addr, val); - break; - } -} - -static uint32_t PREP_io_800_readb (void *opaque, uint32_t addr) -{ - sysctrl_t *sysctrl = opaque; - uint32_t retval = 0xFF; - - switch (addr) { - case 0x0092: - /* Special port 92 */ - retval = 0x00; - break; - case 0x0800: - /* Motorola CPU configuration register */ - retval = 0xEF; /* MPC750 */ - break; - case 0x0802: - /* Motorola Base module feature register */ - retval = 0xAD; /* No ESCC, PMC slot neither ethernet */ - break; - case 0x0803: - /* Motorola base module status register */ - retval = 0xE0; /* Standard MPC750 */ - break; - case 0x080C: - /* Equipment present register: - * no L2 cache - * no upgrade processor - * no cards in PCI slots - * SCSI fuse is bad - */ - retval = 0x3C; - break; - case 0x0810: - /* Motorola base module extended feature register */ - retval = 0x39; /* No USB, CF and PCI bridge. NVRAM present */ - break; - case 0x0814: - /* L2 invalidate: don't care */ - break; - case 0x0818: - /* Keylock */ - retval = 0x00; - break; - case 0x081C: - /* system control register - * 7 - 6 / 1 - 0: L2 cache enable - */ - retval = sysctrl->syscontrol; - break; - case 0x0823: - /* */ - retval = 0x03; /* no L2 cache */ - break; - case 0x0850: - /* I/O map type register */ - retval = sysctrl->contiguous_map; - break; - default: - 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); - - 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; -} - -static void PPC_prep_io_writeb (void *opaque, hwaddr addr, - uint32_t value) -{ - sysctrl_t *sysctrl = opaque; - - addr = prep_IO_address(sysctrl, addr); - cpu_outb(addr, value); -} - -static uint32_t PPC_prep_io_readb (void *opaque, hwaddr addr) -{ - sysctrl_t *sysctrl = opaque; - uint32_t ret; - - addr = prep_IO_address(sysctrl, addr); - ret = cpu_inb(addr); - - return ret; -} - -static void PPC_prep_io_writew (void *opaque, hwaddr addr, - uint32_t value) -{ - 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); -} - -static uint32_t PPC_prep_io_readw (void *opaque, hwaddr addr) -{ - sysctrl_t *sysctrl = opaque; - uint32_t ret; - - addr = prep_IO_address(sysctrl, addr); - ret = cpu_inw(addr); - PPC_IO_DPRINTF("0x" TARGET_FMT_plx " <= 0x%08" PRIx32 "\n", addr, ret); - - return ret; -} - -static void PPC_prep_io_writel (void *opaque, hwaddr addr, - uint32_t value) -{ - sysctrl_t *sysctrl = opaque; - - addr = prep_IO_address(sysctrl, addr); - PPC_IO_DPRINTF("0x" TARGET_FMT_plx " => 0x%08" PRIx32 "\n", addr, value); - cpu_outl(addr, value); -} - -static uint32_t PPC_prep_io_readl (void *opaque, hwaddr addr) -{ - sysctrl_t *sysctrl = opaque; - uint32_t ret; - - addr = prep_IO_address(sysctrl, addr); - ret = cpu_inl(addr); - PPC_IO_DPRINTF("0x" TARGET_FMT_plx " <= 0x%08" PRIx32 "\n", addr, ret); - - return ret; -} - -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_LITTLE_ENDIAN, -}; - -#define NVRAM_SIZE 0x2000 - -static void cpu_request_exit(void *opaque, int irq, int level) -{ - CPUPPCState *env = cpu_single_env; - - if (env && level) { - cpu_exit(env); - } -} - -static void ppc_prep_reset(void *opaque) -{ - PowerPCCPU *cpu = opaque; - - cpu_reset(CPU(cpu)); -} - -/* PowerPC PREP hardware initialisation */ -static void ppc_prep_init(QEMUMachineInitArgs *args) -{ - 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_device; - 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); -#if 0 - MemoryRegion *xcsr = g_new(MemoryRegion, 1); -#endif - int linux_boot, i, nb_nics1, bios_size; - 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; - PCIHostState *pcihost; - PCIBus *pci_bus; - PCIDevice *pci; - ISABus *isa_bus; - ISADevice *isa; - qemu_irq *cpu_exit_irq; - int ppc_boot_device; - DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS]; - - sysctrl = g_malloc0(sizeof(sysctrl_t)); - - linux_boot = (kernel_filename != NULL); - - /* init CPUs */ - if (cpu_model == NULL) - cpu_model = "602"; - for (i = 0; i < smp_cpus; i++) { - cpu = cpu_ppc_init(cpu_model); - if (cpu == NULL) { - fprintf(stderr, "Unable to find PowerPC CPU definition\n"); - exit(1); - } - env = &cpu->env; - - if (env->flags & POWERPC_FLAG_RTC_CLK) { - /* POWER / PowerPC 601 RTC clock frequency is 7.8125 MHz */ - cpu_ppc_tb_init(env, 7812500UL); - } else { - /* Set time-base frequency to 100 Mhz */ - cpu_ppc_tb_init(env, 100UL * 1000UL * 1000UL); - } - qemu_register_reset(ppc_prep_reset, cpu); - } - - /* allocate RAM */ - memory_region_init_ram(ram, "ppc_prep.ram", ram_size); - vmstate_register_ram_global(ram); - memory_region_add_subregion(sysmem, 0, ram); - - /* allocate and load BIOS */ - memory_region_init_ram(bios, "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 = get_image_size(filename); - } else { - bios_size = -1; - } - 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 < 0 || bios_size > BIOS_SIZE) { - hw_error("qemu: could not load PPC PREP bios '%s'\n", bios_name); - } - 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); - exit(1); - } - /* load initrd */ - if (initrd_filename) { - initrd_base = INITRD_LOAD_ADDR; - 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); - } - } else { - initrd_base = 0; - initrd_size = 0; - } - ppc_boot_device = 'm'; - } else { - kernel_base = 0; - kernel_size = 0; - initrd_base = 0; - initrd_size = 0; - ppc_boot_device = '\0'; - /* For now, OHW cannot boot from the network. */ - for (i = 0; boot_device[i] != '\0'; i++) { - if (boot_device[i] >= 'a' && boot_device[i] <= 'f') { - ppc_boot_device = boot_device[i]; - break; - } - } - if (ppc_boot_device == '\0') { - fprintf(stderr, "No valid boot device for Mac99 machine\n"); - exit(1); - } - } - - if (PPC_INPUT(env) != PPC_FLAGS_INPUT_6xx) { - hw_error("Only 6xx bus is supported on PREP machine\n"); - } - - dev = qdev_create(NULL, "raven-pcihost"); - pcihost = PCI_HOST_BRIDGE(dev); - pcihost->address_space = get_system_memory(); - object_property_add_child(qdev_get_machine(), "raven", OBJECT(dev), NULL); - qdev_init_nofail(dev); - pci_bus = (PCIBus *)qdev_get_child_bus(dev, "pci.0"); - if (pci_bus == NULL) { - fprintf(stderr, "Couldn't create PCI host controller.\n"); - exit(1); - } - - /* 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); - qdev_connect_gpio_out(&pci->qdev, 0, - first_cpu->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)); - sysbus_connect_irq(&pcihost->busdev, 3, qdev_get_gpio_in(&pci->qdev, 11)); - isa_bus = DO_UPCAST(ISABus, qbus, qdev_get_child_bus(&pci->qdev, "isa.0")); - - /* Super I/O (parallel + serial ports) */ - isa = isa_create(isa_bus, TYPE_PC87312); - qdev_prop_set_uint8(&isa->qdev, "config", 13); /* fdc, ser0, ser1, par0 */ - qdev_init_nofail(&isa->qdev); - - /* Register 8 MB of ISA IO space (needed for non-contiguous map) */ - memory_region_init_io(PPC_io_memory, &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); - - nb_nics1 = nb_nics; - if (nb_nics1 > NE2000_NB_MAX) - nb_nics1 = NE2000_NB_MAX; - for(i = 0; i < nb_nics1; i++) { - if (nd_table[i].model == NULL) { - nd_table[i].model = g_strdup("ne2k_isa"); - } - if (strcmp(nd_table[i].model, "ne2k_isa") == 0) { - isa_ne2000_init(isa_bus, ne2000_io[i], ne2000_irq[i], - &nd_table[i]); - } else { - pci_nic_init_nofail(&nd_table[i], "ne2k_pci", NULL); - } - } - - ide_drive_get(hd, MAX_IDE_BUS); - 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], - hd[2 * i + 1]); - } - isa_create_simple(isa_bus, "i8042"); - - sysctrl->reset_irq = first_cpu->irq_inputs[PPC6xx_INPUT_HRESET]; - /* System control ports */ - register_ioport_read(0x0092, 0x01, 1, &PREP_io_800_readb, sysctrl); - register_ioport_write(0x0092, 0x01, 1, &PREP_io_800_writeb, sysctrl); - register_ioport_read(0x0800, 0x52, 1, &PREP_io_800_readb, sysctrl); - register_ioport_write(0x0800, 0x52, 1, &PREP_io_800_writeb, sysctrl); - /* PowerPC control and status register group */ -#if 0 - memory_region_init_io(xcsr, &PPC_XCSR_ops, NULL, "ppc-xcsr", 0x1000); - memory_region_add_subregion(sysmem, 0xFEFF0000, xcsr); -#endif - - if (usb_enabled(false)) { - pci_create_simple(pci_bus, -1, "pci-ohci"); - } - - m48t59 = m48t59_init_isa(isa_bus, 0x0074, NVRAM_SIZE, 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, - kernel_base, kernel_size, - kernel_cmdline, - initrd_base, initrd_size, - /* XXX: need an option to load a NVRAM image */ - 0, - graphic_width, graphic_height, graphic_depth); - - /* Special port to get debug messages from Open-Firmware */ - register_ioport_write(0x0F00, 4, 1, &PPC_debug_write, NULL); - - /* Initialize audio subsystem */ - audio_init(isa_bus, pci_bus); -} - -static QEMUMachine prep_machine = { - .name = "prep", - .desc = "PowerPC PREP platform", - .init = ppc_prep_init, - .max_cpus = MAX_CPUS, - DEFAULT_MACHINE_OPTIONS, -}; - -static void prep_machine_init(void) -{ - qemu_register_machine(&prep_machine); -} - -machine_init(prep_machine_init); |