Annotation of qemu/hw/sun4u.c, revision 1.1.1.7

1.1       root        1: /*
1.1.1.7 ! root        2:  * QEMU Sun4u/Sun4v System Emulator
1.1.1.6   root        3:  *
1.1       root        4:  * Copyright (c) 2005 Fabrice Bellard
1.1.1.6   root        5:  *
1.1       root        6:  * Permission is hereby granted, free of charge, to any person obtaining a copy
                      7:  * of this software and associated documentation files (the "Software"), to deal
                      8:  * in the Software without restriction, including without limitation the rights
                      9:  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
                     10:  * copies of the Software, and to permit persons to whom the Software is
                     11:  * furnished to do so, subject to the following conditions:
                     12:  *
                     13:  * The above copyright notice and this permission notice shall be included in
                     14:  * all copies or substantial portions of the Software.
                     15:  *
                     16:  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
                     17:  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
                     18:  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
                     19:  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
                     20:  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
                     21:  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
                     22:  * THE SOFTWARE.
                     23:  */
1.1.1.6   root       24: #include "hw.h"
                     25: #include "pci.h"
                     26: #include "pc.h"
                     27: #include "nvram.h"
                     28: #include "fdc.h"
                     29: #include "net.h"
                     30: #include "qemu-timer.h"
                     31: #include "sysemu.h"
                     32: #include "boards.h"
                     33: #include "firmware_abi.h"
1.1.1.7 ! root       34: #include "fw_cfg.h"
        !            35: 
        !            36: //#define DEBUG_IRQ
        !            37: 
        !            38: #ifdef DEBUG_IRQ
        !            39: #define DPRINTF(fmt, args...)                           \
        !            40:     do { printf("CPUIRQ: " fmt , ##args); } while (0)
        !            41: #else
        !            42: #define DPRINTF(fmt, args...)
        !            43: #endif
1.1       root       44: 
                     45: #define KERNEL_LOAD_ADDR     0x00404000
                     46: #define CMDLINE_ADDR         0x003ff000
                     47: #define INITRD_LOAD_ADDR     0x00300000
1.1.1.7 ! root       48: #define PROM_SIZE_MAX        (4 * 1024 * 1024)
1.1.1.6   root       49: #define PROM_VADDR           0x000ffd00000ULL
1.1       root       50: #define APB_SPECIAL_BASE     0x1fe00000000ULL
1.1.1.6   root       51: #define APB_MEM_BASE         0x1ff00000000ULL
                     52: #define VGA_BASE             (APB_MEM_BASE + 0x400000ULL)
                     53: #define PROM_FILENAME        "openbios-sparc64"
1.1       root       54: #define NVRAM_SIZE           0x2000
1.1.1.6   root       55: #define MAX_IDE_BUS          2
1.1.1.7 ! root       56: #define BIOS_CFG_IOPORT      0x510
1.1       root       57: 
1.1.1.7 ! root       58: #define MAX_PILS 16
1.1       root       59: 
1.1.1.7 ! root       60: #define TICK_INT_DIS         0x8000000000000000ULL
        !            61: #define TICK_MAX             0x7fffffffffffffffULL
        !            62: 
        !            63: struct hwdef {
        !            64:     const char * const default_cpu_model;
        !            65:     uint16_t machine_id;
        !            66:     uint64_t prom_addr;
        !            67:     uint64_t console_serial_base;
        !            68: };
1.1       root       69: 
                     70: int DMA_get_channel_mode (int nchan)
                     71: {
                     72:     return 0;
                     73: }
                     74: int DMA_read_memory (int nchan, void *buf, int pos, int size)
                     75: {
                     76:     return 0;
                     77: }
                     78: int DMA_write_memory (int nchan, void *buf, int pos, int size)
                     79: {
                     80:     return 0;
                     81: }
                     82: void DMA_hold_DREQ (int nchan) {}
                     83: void DMA_release_DREQ (int nchan) {}
                     84: void DMA_schedule(int nchan) {}
                     85: void DMA_init (int high_page_enable) {}
                     86: void DMA_register_channel (int nchan,
                     87:                            DMA_transfer_handler transfer_handler,
                     88:                            void *opaque)
                     89: {
                     90: }
                     91: 
1.1.1.7 ! root       92: static int nvram_boot_set(void *opaque, const char *boot_device)
        !            93: {
        !            94:     unsigned int i;
        !            95:     uint8_t image[sizeof(ohwcfg_v3_t)];
        !            96:     ohwcfg_v3_t *header = (ohwcfg_v3_t *)ℑ
        !            97:     m48t59_t *nvram = (m48t59_t *)opaque;
        !            98: 
        !            99:     for (i = 0; i < sizeof(image); i++)
        !           100:         image[i] = m48t59_read(nvram, i) & 0xff;
        !           101: 
        !           102:     pstrcpy((char *)header->boot_devices, sizeof(header->boot_devices),
        !           103:             boot_device);
        !           104:     header->nboot_devices = strlen(boot_device) & 0xff;
        !           105:     header->crc = cpu_to_be16(OHW_compute_crc(header, 0x00, 0xF8));
        !           106: 
        !           107:     for (i = 0; i < sizeof(image); i++)
        !           108:         m48t59_write(nvram, i, image[i]);
        !           109: 
        !           110:     return 0;
        !           111: }
1.1       root      112: 
1.1.1.6   root      113: static int sun4u_NVRAM_set_params (m48t59_t *nvram, uint16_t NVRAM_size,
1.1.1.7 ! root      114:                                    const char *arch,
        !           115:                                    ram_addr_t RAM_size,
        !           116:                                    const char *boot_devices,
1.1.1.6   root      117:                                    uint32_t kernel_image, uint32_t kernel_size,
                    118:                                    const char *cmdline,
                    119:                                    uint32_t initrd_image, uint32_t initrd_size,
                    120:                                    uint32_t NVRAM_image,
1.1.1.7 ! root      121:                                    int width, int height, int depth,
        !           122:                                    const uint8_t *macaddr)
1.1       root      123: {
1.1.1.6   root      124:     unsigned int i;
                    125:     uint32_t start, end;
                    126:     uint8_t image[0x1ff0];
                    127:     ohwcfg_v3_t *header = (ohwcfg_v3_t *)&image;
                    128:     struct sparc_arch_cfg *sparc_header;
                    129:     struct OpenBIOS_nvpart_v1 *part_header;
                    130: 
                    131:     memset(image, '\0', sizeof(image));
                    132: 
                    133:     // Try to match PPC NVRAM
1.1.1.7 ! root      134:     pstrcpy((char *)header->struct_ident, sizeof(header->struct_ident),
        !           135:             "QEMU_BIOS");
1.1.1.6   root      136:     header->struct_version = cpu_to_be32(3); /* structure v3 */
                    137: 
                    138:     header->nvram_size = cpu_to_be16(NVRAM_size);
                    139:     header->nvram_arch_ptr = cpu_to_be16(sizeof(ohwcfg_v3_t));
                    140:     header->nvram_arch_size = cpu_to_be16(sizeof(struct sparc_arch_cfg));
1.1.1.7 ! root      141:     pstrcpy((char *)header->arch, sizeof(header->arch), arch);
1.1.1.6   root      142:     header->nb_cpus = smp_cpus & 0xff;
                    143:     header->RAM0_base = 0;
                    144:     header->RAM0_size = cpu_to_be64((uint64_t)RAM_size);
1.1.1.7 ! root      145:     pstrcpy((char *)header->boot_devices, sizeof(header->boot_devices),
        !           146:             boot_devices);
1.1.1.6   root      147:     header->nboot_devices = strlen(boot_devices) & 0xff;
                    148:     header->kernel_image = cpu_to_be64((uint64_t)kernel_image);
                    149:     header->kernel_size = cpu_to_be64((uint64_t)kernel_size);
                    150:     if (cmdline) {
1.1.1.7 ! root      151:         pstrcpy_targphys(CMDLINE_ADDR, TARGET_PAGE_SIZE, cmdline);
1.1.1.6   root      152:         header->cmdline = cpu_to_be64((uint64_t)CMDLINE_ADDR);
                    153:         header->cmdline_size = cpu_to_be64((uint64_t)strlen(cmdline));
                    154:     }
                    155:     header->initrd_image = cpu_to_be64((uint64_t)initrd_image);
                    156:     header->initrd_size = cpu_to_be64((uint64_t)initrd_size);
                    157:     header->NVRAM_image = cpu_to_be64((uint64_t)NVRAM_image);
                    158: 
                    159:     header->width = cpu_to_be16(width);
                    160:     header->height = cpu_to_be16(height);
                    161:     header->depth = cpu_to_be16(depth);
                    162:     if (nographic)
                    163:         header->graphic_flags = cpu_to_be16(OHW_GF_NOGRAPHICS);
                    164: 
                    165:     header->crc = cpu_to_be16(OHW_compute_crc(header, 0x00, 0xF8));
                    166: 
                    167:     // Architecture specific header
                    168:     start = sizeof(ohwcfg_v3_t);
                    169:     sparc_header = (struct sparc_arch_cfg *)&image[start];
                    170:     sparc_header->valid = 0;
                    171:     start += sizeof(struct sparc_arch_cfg);
                    172: 
                    173:     // OpenBIOS nvram variables
                    174:     // Variable partition
                    175:     part_header = (struct OpenBIOS_nvpart_v1 *)&image[start];
                    176:     part_header->signature = OPENBIOS_PART_SYSTEM;
1.1.1.7 ! root      177:     pstrcpy(part_header->name, sizeof(part_header->name), "system");
1.1.1.6   root      178: 
                    179:     end = start + sizeof(struct OpenBIOS_nvpart_v1);
                    180:     for (i = 0; i < nb_prom_envs; i++)
                    181:         end = OpenBIOS_set_var(image, end, prom_envs[i]);
                    182: 
                    183:     // End marker
                    184:     image[end++] = '\0';
                    185: 
                    186:     end = start + ((end - start + 15) & ~15);
                    187:     OpenBIOS_finish_partition(part_header, end - start);
                    188: 
                    189:     // free partition
                    190:     start = end;
                    191:     part_header = (struct OpenBIOS_nvpart_v1 *)&image[start];
                    192:     part_header->signature = OPENBIOS_PART_FREE;
1.1.1.7 ! root      193:     pstrcpy(part_header->name, sizeof(part_header->name), "free");
1.1       root      194: 
1.1.1.6   root      195:     end = 0x1fd0;
                    196:     OpenBIOS_finish_partition(part_header, end - start);
1.1       root      197: 
1.1.1.7 ! root      198:     Sun_init_header((struct Sun_nvram *)&image[0x1fd8], macaddr, 0x80);
        !           199: 
1.1.1.6   root      200:     for (i = 0; i < sizeof(image); i++)
                    201:         m48t59_write(nvram, i, image[i]);
1.1       root      202: 
1.1.1.7 ! root      203:     qemu_register_boot_set(nvram_boot_set, nvram);
        !           204: 
1.1.1.6   root      205:     return 0;
1.1       root      206: }
                    207: 
1.1.1.7 ! root      208: void pic_info(void)
1.1       root      209: {
                    210: }
                    211: 
1.1.1.7 ! root      212: void irq_info(void)
1.1       root      213: {
                    214: }
                    215: 
1.1.1.7 ! root      216: void cpu_check_irqs(CPUState *env)
        !           217: {
        !           218:     uint32_t pil = env->pil_in | (env->softint & ~SOFTINT_TIMER) |
        !           219:         ((env->softint & SOFTINT_TIMER) << 14);
        !           220: 
        !           221:     if (pil && (env->interrupt_index == 0 ||
        !           222:                 (env->interrupt_index & ~15) == TT_EXTINT)) {
        !           223:         unsigned int i;
        !           224: 
        !           225:         for (i = 15; i > 0; i--) {
        !           226:             if (pil & (1 << i)) {
        !           227:                 int old_interrupt = env->interrupt_index;
        !           228: 
        !           229:                 env->interrupt_index = TT_EXTINT | i;
        !           230:                 if (old_interrupt != env->interrupt_index) {
        !           231:                     DPRINTF("Set CPU IRQ %d\n", i);
        !           232:                     cpu_interrupt(env, CPU_INTERRUPT_HARD);
        !           233:                 }
        !           234:                 break;
        !           235:             }
        !           236:         }
        !           237:     } else if (!pil && (env->interrupt_index & ~15) == TT_EXTINT) {
        !           238:         DPRINTF("Reset CPU IRQ %d\n", env->interrupt_index & 15);
        !           239:         env->interrupt_index = 0;
        !           240:         cpu_reset_interrupt(env, CPU_INTERRUPT_HARD);
        !           241:     }
        !           242: }
        !           243: 
        !           244: static void cpu_set_irq(void *opaque, int irq, int level)
        !           245: {
        !           246:     CPUState *env = opaque;
        !           247: 
        !           248:     if (level) {
        !           249:         DPRINTF("Raise CPU IRQ %d\n", irq);
        !           250:         env->halted = 0;
        !           251:         env->pil_in |= 1 << irq;
        !           252:         cpu_check_irqs(env);
        !           253:     } else {
        !           254:         DPRINTF("Lower CPU IRQ %d\n", irq);
        !           255:         env->pil_in &= ~(1 << irq);
        !           256:         cpu_check_irqs(env);
        !           257:     }
        !           258: }
        !           259: 
1.1.1.6   root      260: void qemu_system_powerdown(void)
1.1       root      261: {
                    262: }
                    263: 
1.1.1.7 ! root      264: typedef struct ResetData {
        !           265:     CPUState *env;
        !           266:     uint64_t reset_addr;
        !           267: } ResetData;
        !           268: 
1.1.1.6   root      269: static void main_cpu_reset(void *opaque)
1.1       root      270: {
1.1.1.7 ! root      271:     ResetData *s = (ResetData *)opaque;
        !           272:     CPUState *env = s->env;
1.1       root      273: 
1.1.1.6   root      274:     cpu_reset(env);
1.1.1.7 ! root      275:     env->tick_cmpr = TICK_INT_DIS | 0;
        !           276:     ptimer_set_limit(env->tick, TICK_MAX, 1);
        !           277:     ptimer_run(env->tick, 1);
        !           278:     env->stick_cmpr = TICK_INT_DIS | 0;
        !           279:     ptimer_set_limit(env->stick, TICK_MAX, 1);
        !           280:     ptimer_run(env->stick, 1);
        !           281:     env->hstick_cmpr = TICK_INT_DIS | 0;
        !           282:     ptimer_set_limit(env->hstick, TICK_MAX, 1);
        !           283:     ptimer_run(env->hstick, 1);
        !           284:     env->gregs[1] = 0; // Memory start
        !           285:     env->gregs[2] = ram_size; // Memory size
        !           286:     env->gregs[3] = 0; // Machine description XXX
        !           287:     env->pc = s->reset_addr;
        !           288:     env->npc = env->pc + 4;
1.1       root      289: }
                    290: 
1.1.1.7 ! root      291: static void tick_irq(void *opaque)
1.1       root      292: {
1.1.1.6   root      293:     CPUState *env = opaque;
1.1       root      294: 
1.1.1.7 ! root      295:     if (!(env->tick_cmpr & TICK_INT_DIS)) {
        !           296:         env->softint |= SOFTINT_TIMER;
        !           297:         cpu_interrupt(env, CPU_INTERRUPT_TIMER);
        !           298:     }
1.1       root      299: }
                    300: 
1.1.1.7 ! root      301: static void stick_irq(void *opaque)
1.1       root      302: {
1.1.1.6   root      303:     CPUState *env = opaque;
1.1       root      304: 
1.1.1.7 ! root      305:     if (!(env->stick_cmpr & TICK_INT_DIS)) {
        !           306:         env->softint |= SOFTINT_STIMER;
        !           307:         cpu_interrupt(env, CPU_INTERRUPT_TIMER);
        !           308:     }
1.1       root      309: }
                    310: 
1.1.1.7 ! root      311: static void hstick_irq(void *opaque)
1.1       root      312: {
1.1.1.6   root      313:     CPUState *env = opaque;
1.1       root      314: 
1.1.1.7 ! root      315:     if (!(env->hstick_cmpr & TICK_INT_DIS)) {
        !           316:         cpu_interrupt(env, CPU_INTERRUPT_TIMER);
        !           317:     }
        !           318: }
        !           319: 
        !           320: void cpu_tick_set_count(void *opaque, uint64_t count)
        !           321: {
        !           322:     ptimer_set_count(opaque, -count);
1.1       root      323: }
                    324: 
1.1.1.7 ! root      325: uint64_t cpu_tick_get_count(void *opaque)
1.1.1.2   root      326: {
1.1.1.7 ! root      327:     return -ptimer_get_count(opaque);
        !           328: }
        !           329: 
        !           330: void cpu_tick_set_limit(void *opaque, uint64_t limit)
        !           331: {
        !           332:     ptimer_set_limit(opaque, -limit, 0);
1.1.1.2   root      333: }
                    334: 
1.1       root      335: static const int ide_iobase[2] = { 0x1f0, 0x170 };
                    336: static const int ide_iobase2[2] = { 0x3f6, 0x376 };
                    337: static const int ide_irq[2] = { 14, 15 };
                    338: 
                    339: static const int serial_io[MAX_SERIAL_PORTS] = { 0x3f8, 0x2f8, 0x3e8, 0x2e8 };
                    340: static const int serial_irq[MAX_SERIAL_PORTS] = { 4, 3, 4, 3 };
                    341: 
                    342: static const int parallel_io[MAX_PARALLEL_PORTS] = { 0x378, 0x278, 0x3bc };
                    343: static const int parallel_irq[MAX_PARALLEL_PORTS] = { 7, 7, 7 };
                    344: 
                    345: static fdctrl_t *floppy_controller;
                    346: 
1.1.1.7 ! root      347: static void ebus_mmio_mapfunc(PCIDevice *pci_dev, int region_num,
        !           348:                               uint32_t addr, uint32_t size, int type)
        !           349: {
        !           350:     DPRINTF("Mapping region %d registers at %08x\n", region_num, addr);
        !           351:     switch (region_num) {
        !           352:     case 0:
        !           353:         isa_mmio_init(addr, 0x1000000);
        !           354:         break;
        !           355:     case 1:
        !           356:         isa_mmio_init(addr, 0x800000);
        !           357:         break;
        !           358:     }
        !           359: }
        !           360: 
        !           361: /* EBUS (Eight bit bus) bridge */
        !           362: static void
        !           363: pci_ebus_init(PCIBus *bus, int devfn)
        !           364: {
        !           365:     PCIDevice *s;
        !           366: 
        !           367:     s = pci_register_device(bus, "EBUS", sizeof(*s), devfn, NULL, NULL);
        !           368:     pci_config_set_vendor_id(s->config, PCI_VENDOR_ID_SUN);
        !           369:     pci_config_set_device_id(s->config, PCI_DEVICE_ID_SUN_EBUS);
        !           370:     s->config[0x04] = 0x06; // command = bus master, pci mem
        !           371:     s->config[0x05] = 0x00;
        !           372:     s->config[0x06] = 0xa0; // status = fast back-to-back, 66MHz, no error
        !           373:     s->config[0x07] = 0x03; // status = medium devsel
        !           374:     s->config[0x08] = 0x01; // revision
        !           375:     s->config[0x09] = 0x00; // programming i/f
        !           376:     pci_config_set_class(s->config, PCI_CLASS_BRIDGE_OTHER);
        !           377:     s->config[0x0D] = 0x0a; // latency_timer
        !           378:     s->config[0x0E] = 0x00; // header_type
        !           379: 
        !           380:     pci_register_io_region(s, 0, 0x1000000, PCI_ADDRESS_SPACE_MEM,
        !           381:                            ebus_mmio_mapfunc);
        !           382:     pci_register_io_region(s, 1, 0x800000,  PCI_ADDRESS_SPACE_MEM,
        !           383:                            ebus_mmio_mapfunc);
        !           384: }
        !           385: 
        !           386: static void sun4uv_init(ram_addr_t RAM_size, int vga_ram_size,
        !           387:                         const char *boot_devices,
        !           388:                         const char *kernel_filename, const char *kernel_cmdline,
        !           389:                         const char *initrd_filename, const char *cpu_model,
        !           390:                         const struct hwdef *hwdef)
1.1       root      391: {
1.1.1.2   root      392:     CPUState *env;
1.1       root      393:     char buf[1024];
                    394:     m48t59_t *nvram;
                    395:     int ret, linux_boot;
                    396:     unsigned int i;
1.1.1.7 ! root      397:     ram_addr_t ram_offset, prom_offset, vga_ram_offset;
        !           398:     long initrd_size, kernel_size;
        !           399:     PCIBus *pci_bus, *pci_bus2, *pci_bus3;
1.1.1.6   root      400:     QEMUBH *bh;
                    401:     qemu_irq *irq;
1.1.1.7 ! root      402:     int drive_index;
1.1.1.6   root      403:     BlockDriverState *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
                    404:     BlockDriverState *fd[MAX_FD];
1.1.1.7 ! root      405:     void *fw_cfg;
        !           406:     ResetData *reset_info;
1.1       root      407: 
                    408:     linux_boot = (kernel_filename != NULL);
                    409: 
1.1.1.6   root      410:     /* init CPUs */
1.1.1.7 ! root      411:     if (!cpu_model)
        !           412:         cpu_model = hwdef->default_cpu_model;
        !           413: 
1.1.1.6   root      414:     env = cpu_init(cpu_model);
                    415:     if (!env) {
                    416:         fprintf(stderr, "Unable to find Sparc CPU definition\n");
                    417:         exit(1);
                    418:     }
                    419:     bh = qemu_bh_new(tick_irq, env);
                    420:     env->tick = ptimer_init(bh);
                    421:     ptimer_set_period(env->tick, 1ULL);
                    422: 
                    423:     bh = qemu_bh_new(stick_irq, env);
                    424:     env->stick = ptimer_init(bh);
                    425:     ptimer_set_period(env->stick, 1ULL);
                    426: 
                    427:     bh = qemu_bh_new(hstick_irq, env);
                    428:     env->hstick = ptimer_init(bh);
                    429:     ptimer_set_period(env->hstick, 1ULL);
1.1.1.7 ! root      430: 
        !           431:     reset_info = qemu_mallocz(sizeof(ResetData));
        !           432:     reset_info->env = env;
        !           433:     reset_info->reset_addr = hwdef->prom_addr + 0x40ULL;
        !           434:     qemu_register_reset(main_cpu_reset, reset_info);
        !           435:     main_cpu_reset(reset_info);
        !           436:     // Override warm reset address with cold start address
        !           437:     env->pc = hwdef->prom_addr + 0x20ULL;
        !           438:     env->npc = env->pc + 4;
1.1.1.2   root      439: 
1.1       root      440:     /* allocate RAM */
1.1.1.7 ! root      441:     ram_offset = qemu_ram_alloc(RAM_size);
        !           442:     cpu_register_physical_memory(0, RAM_size, ram_offset);
1.1       root      443: 
1.1.1.7 ! root      444:     prom_offset = qemu_ram_alloc(PROM_SIZE_MAX);
        !           445:     cpu_register_physical_memory(hwdef->prom_addr,
        !           446:                                  (PROM_SIZE_MAX + TARGET_PAGE_SIZE) &
        !           447:                                  TARGET_PAGE_MASK,
1.1.1.3   root      448:                                  prom_offset | IO_MEM_ROM);
1.1       root      449: 
1.1.1.6   root      450:     if (bios_name == NULL)
                    451:         bios_name = PROM_FILENAME;
                    452:     snprintf(buf, sizeof(buf), "%s/%s", bios_dir, bios_name);
1.1.1.7 ! root      453:     ret = load_elf(buf, hwdef->prom_addr - PROM_VADDR, NULL, NULL, NULL);
1.1       root      454:     if (ret < 0) {
1.1.1.7 ! root      455:         ret = load_image_targphys(buf, hwdef->prom_addr,
        !           456:                                   (PROM_SIZE_MAX + TARGET_PAGE_SIZE) &
        !           457:                                   TARGET_PAGE_MASK);
        !           458:         if (ret < 0) {
        !           459:             fprintf(stderr, "qemu: could not load prom '%s'\n",
        !           460:                     buf);
        !           461:             exit(1);
        !           462:         }
1.1       root      463:     }
                    464: 
                    465:     kernel_size = 0;
                    466:     initrd_size = 0;
                    467:     if (linux_boot) {
1.1.1.3   root      468:         /* XXX: put correct offset */
1.1.1.6   root      469:         kernel_size = load_elf(kernel_filename, 0, NULL, NULL, NULL);
1.1       root      470:         if (kernel_size < 0)
1.1.1.7 ! root      471:             kernel_size = load_aout(kernel_filename, KERNEL_LOAD_ADDR,
        !           472:                                     ram_size - KERNEL_LOAD_ADDR);
1.1.1.6   root      473:         if (kernel_size < 0)
1.1.1.7 ! root      474:             kernel_size = load_image_targphys(kernel_filename,
        !           475:                                               KERNEL_LOAD_ADDR,
        !           476:                                               ram_size - KERNEL_LOAD_ADDR);
1.1       root      477:         if (kernel_size < 0) {
1.1.1.6   root      478:             fprintf(stderr, "qemu: could not load kernel '%s'\n",
1.1       root      479:                     kernel_filename);
1.1.1.6   root      480:             exit(1);
1.1       root      481:         }
                    482: 
                    483:         /* load initrd */
                    484:         if (initrd_filename) {
1.1.1.7 ! root      485:             initrd_size = load_image_targphys(initrd_filename,
        !           486:                                               INITRD_LOAD_ADDR,
        !           487:                                               ram_size - INITRD_LOAD_ADDR);
1.1       root      488:             if (initrd_size < 0) {
1.1.1.6   root      489:                 fprintf(stderr, "qemu: could not load initial ram disk '%s'\n",
1.1       root      490:                         initrd_filename);
                    491:                 exit(1);
                    492:             }
                    493:         }
                    494:         if (initrd_size > 0) {
1.1.1.6   root      495:             for (i = 0; i < 64 * TARGET_PAGE_SIZE; i += TARGET_PAGE_SIZE) {
1.1.1.7 ! root      496:                 if (ldl_phys(KERNEL_LOAD_ADDR + i) == 0x48647253) { // HdrS
        !           497:                     stl_phys(KERNEL_LOAD_ADDR + i + 16, INITRD_LOAD_ADDR);
        !           498:                     stl_phys(KERNEL_LOAD_ADDR + i + 20, initrd_size);
1.1.1.6   root      499:                     break;
                    500:                 }
                    501:             }
1.1       root      502:         }
                    503:     }
1.1.1.7 ! root      504:     pci_bus = pci_apb_init(APB_SPECIAL_BASE, APB_MEM_BASE, NULL, &pci_bus2,
        !           505:                            &pci_bus3);
1.1       root      506:     isa_mem_base = VGA_BASE;
1.1.1.7 ! root      507:     vga_ram_offset = qemu_ram_alloc(vga_ram_size);
        !           508:     pci_vga_init(pci_bus, phys_ram_base + vga_ram_offset,
        !           509:                  vga_ram_offset, vga_ram_size,
        !           510:                  0, 0);
        !           511: 
        !           512:     // XXX Should be pci_bus3
        !           513:     pci_ebus_init(pci_bus, -1);
        !           514: 
        !           515:     i = 0;
        !           516:     if (hwdef->console_serial_base) {
        !           517:         serial_mm_init(hwdef->console_serial_base, 0, NULL, 115200,
        !           518:                        serial_hds[i], 1);
        !           519:         i++;
        !           520:     }
        !           521:     for(; i < MAX_SERIAL_PORTS; i++) {
1.1       root      522:         if (serial_hds[i]) {
1.1.1.7 ! root      523:             serial_init(serial_io[i], NULL/*serial_irq[i]*/, 115200,
        !           524:                         serial_hds[i]);
1.1       root      525:         }
                    526:     }
                    527: 
                    528:     for(i = 0; i < MAX_PARALLEL_PORTS; i++) {
                    529:         if (parallel_hds[i]) {
1.1.1.7 ! root      530:             parallel_init(parallel_io[i], NULL/*parallel_irq[i]*/,
        !           531:                           parallel_hds[i]);
1.1       root      532:         }
                    533:     }
                    534: 
1.1.1.7 ! root      535:     for(i = 0; i < nb_nics; i++)
        !           536:         pci_nic_init(pci_bus, &nd_table[i], -1, "ne2k_pci");
1.1       root      537: 
1.1.1.7 ! root      538:     irq = qemu_allocate_irqs(cpu_set_irq, env, MAX_PILS);
1.1.1.6   root      539:     if (drive_get_max_bus(IF_IDE) >= MAX_IDE_BUS) {
                    540:         fprintf(stderr, "qemu: too many IDE bus\n");
                    541:         exit(1);
                    542:     }
                    543:     for(i = 0; i < MAX_IDE_BUS * MAX_IDE_DEVS; i++) {
1.1.1.7 ! root      544:         drive_index = drive_get_index(IF_IDE, i / MAX_IDE_DEVS,
        !           545:                                       i % MAX_IDE_DEVS);
        !           546:        if (drive_index != -1)
        !           547:            hd[i] = drives_table[drive_index].bdrv;
1.1.1.6   root      548:        else
                    549:            hd[i] = NULL;
                    550:     }
                    551: 
1.1.1.7 ! root      552:     pci_cmd646_ide_init(pci_bus, hd, 1);
        !           553: 
1.1.1.6   root      554:     /* FIXME: wire up interrupts.  */
                    555:     i8042_init(NULL/*1*/, NULL/*12*/, 0x60);
                    556:     for(i = 0; i < MAX_FD; i++) {
1.1.1.7 ! root      557:         drive_index = drive_get_index(IF_FLOPPY, 0, i);
        !           558:        if (drive_index != -1)
        !           559:            fd[i] = drives_table[drive_index].bdrv;
1.1.1.6   root      560:        else
                    561:            fd[i] = NULL;
                    562:     }
                    563:     floppy_controller = fdctrl_init(NULL/*6*/, 2, 0, 0x3f0, fd);
                    564:     nvram = m48t59_init(NULL/*8*/, 0, 0x0074, NVRAM_SIZE, 59);
1.1.1.7 ! root      565:     sun4u_NVRAM_set_params(nvram, NVRAM_SIZE, "Sun4u", RAM_size, boot_devices,
        !           566:                            KERNEL_LOAD_ADDR, kernel_size,
        !           567:                            kernel_cmdline,
        !           568:                            INITRD_LOAD_ADDR, initrd_size,
        !           569:                            /* XXX: need an option to load a NVRAM image */
        !           570:                            0,
        !           571:                            graphic_width, graphic_height, graphic_depth,
        !           572:                            (uint8_t *)&nd_table[0].macaddr);
        !           573: 
        !           574:     fw_cfg = fw_cfg_init(BIOS_CFG_IOPORT, BIOS_CFG_IOPORT + 1, 0, 0);
        !           575:     fw_cfg_add_i32(fw_cfg, FW_CFG_ID, 1);
        !           576:     fw_cfg_add_i64(fw_cfg, FW_CFG_RAM_SIZE, (uint64_t)ram_size);
        !           577:     fw_cfg_add_i16(fw_cfg, FW_CFG_MACHINE_ID, hwdef->machine_id);
        !           578: }
        !           579: 
        !           580: enum {
        !           581:     sun4u_id = 0,
        !           582:     sun4v_id = 64,
        !           583:     niagara_id,
        !           584: };
1.1       root      585: 
1.1.1.7 ! root      586: static const struct hwdef hwdefs[] = {
        !           587:     /* Sun4u generic PC-like machine */
        !           588:     {
        !           589:         .default_cpu_model = "TI UltraSparc II",
        !           590:         .machine_id = sun4u_id,
        !           591:         .prom_addr = 0x1fff0000000ULL,
        !           592:         .console_serial_base = 0,
        !           593:     },
        !           594:     /* Sun4v generic PC-like machine */
        !           595:     {
        !           596:         .default_cpu_model = "Sun UltraSparc T1",
        !           597:         .machine_id = sun4v_id,
        !           598:         .prom_addr = 0x1fff0000000ULL,
        !           599:         .console_serial_base = 0,
        !           600:     },
        !           601:     /* Sun4v generic Niagara machine */
        !           602:     {
        !           603:         .default_cpu_model = "Sun UltraSparc T1",
        !           604:         .machine_id = niagara_id,
        !           605:         .prom_addr = 0xfff0000000ULL,
        !           606:         .console_serial_base = 0xfff0c2c000ULL,
        !           607:     },
        !           608: };
        !           609: 
        !           610: /* Sun4u hardware initialisation */
        !           611: static void sun4u_init(ram_addr_t RAM_size, int vga_ram_size,
        !           612:                        const char *boot_devices,
        !           613:                        const char *kernel_filename, const char *kernel_cmdline,
        !           614:                        const char *initrd_filename, const char *cpu_model)
        !           615: {
        !           616:     sun4uv_init(RAM_size, vga_ram_size, boot_devices, kernel_filename,
        !           617:                 kernel_cmdline, initrd_filename, cpu_model, &hwdefs[0]);
        !           618: }
        !           619: 
        !           620: /* Sun4v hardware initialisation */
        !           621: static void sun4v_init(ram_addr_t RAM_size, int vga_ram_size,
        !           622:                        const char *boot_devices,
        !           623:                        const char *kernel_filename, const char *kernel_cmdline,
        !           624:                        const char *initrd_filename, const char *cpu_model)
        !           625: {
        !           626:     sun4uv_init(RAM_size, vga_ram_size, boot_devices, kernel_filename,
        !           627:                 kernel_cmdline, initrd_filename, cpu_model, &hwdefs[1]);
        !           628: }
        !           629: 
        !           630: /* Niagara hardware initialisation */
        !           631: static void niagara_init(ram_addr_t RAM_size, int vga_ram_size,
        !           632:                          const char *boot_devices,
        !           633:                          const char *kernel_filename, const char *kernel_cmdline,
        !           634:                          const char *initrd_filename, const char *cpu_model)
        !           635: {
        !           636:     sun4uv_init(RAM_size, vga_ram_size, boot_devices, kernel_filename,
        !           637:                 kernel_cmdline, initrd_filename, cpu_model, &hwdefs[2]);
1.1       root      638: }
                    639: 
                    640: QEMUMachine sun4u_machine = {
1.1.1.7 ! root      641:     .name = "sun4u",
        !           642:     .desc = "Sun4u platform",
        !           643:     .init = sun4u_init,
        !           644:     .ram_require = PROM_SIZE_MAX + VGA_RAM_SIZE,
        !           645:     .nodisk_ok = 1,
        !           646:     .max_cpus = 1, // XXX for now
        !           647: };
        !           648: 
        !           649: QEMUMachine sun4v_machine = {
        !           650:     .name = "sun4v",
        !           651:     .desc = "Sun4v platform",
        !           652:     .init = sun4v_init,
        !           653:     .ram_require = PROM_SIZE_MAX + VGA_RAM_SIZE,
        !           654:     .nodisk_ok = 1,
        !           655:     .max_cpus = 1, // XXX for now
        !           656: };
        !           657: 
        !           658: QEMUMachine niagara_machine = {
        !           659:     .name = "Niagara",
        !           660:     .desc = "Sun4v platform, Niagara",
        !           661:     .init = niagara_init,
        !           662:     .ram_require = PROM_SIZE_MAX + VGA_RAM_SIZE,
        !           663:     .nodisk_ok = 1,
        !           664:     .max_cpus = 1, // XXX for now
1.1       root      665: };

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