1b707ab75SMax Filippov /* 2b707ab75SMax Filippov * Copyright (c) 2011, Max Filippov, Open Source and Linux Lab. 3b707ab75SMax Filippov * All rights reserved. 4b707ab75SMax Filippov * 5b707ab75SMax Filippov * Redistribution and use in source and binary forms, with or without 6b707ab75SMax Filippov * modification, are permitted provided that the following conditions are met: 7b707ab75SMax Filippov * * Redistributions of source code must retain the above copyright 8b707ab75SMax Filippov * notice, this list of conditions and the following disclaimer. 9b707ab75SMax Filippov * * Redistributions in binary form must reproduce the above copyright 10b707ab75SMax Filippov * notice, this list of conditions and the following disclaimer in the 11b707ab75SMax Filippov * documentation and/or other materials provided with the distribution. 12b707ab75SMax Filippov * * Neither the name of the Open Source and Linux Lab nor the 13b707ab75SMax Filippov * names of its contributors may be used to endorse or promote products 14b707ab75SMax Filippov * derived from this software without specific prior written permission. 15b707ab75SMax Filippov * 16b707ab75SMax Filippov * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 17b707ab75SMax Filippov * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18b707ab75SMax Filippov * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19b707ab75SMax Filippov * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY 20b707ab75SMax Filippov * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 21b707ab75SMax Filippov * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 22b707ab75SMax Filippov * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 23b707ab75SMax Filippov * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24b707ab75SMax Filippov * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 25b707ab75SMax Filippov * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26b707ab75SMax Filippov */ 27b707ab75SMax Filippov 2809aae23dSPeter Maydell #include "qemu/osdep.h" 29da34e65cSMarkus Armbruster #include "qapi/error.h" 304771d756SPaolo Bonzini #include "qemu-common.h" 314771d756SPaolo Bonzini #include "cpu.h" 32b707ab75SMax Filippov #include "sysemu/sysemu.h" 33b707ab75SMax Filippov #include "hw/boards.h" 34b707ab75SMax Filippov #include "hw/loader.h" 35b707ab75SMax Filippov #include "elf.h" 36b707ab75SMax Filippov #include "exec/memory.h" 37b707ab75SMax Filippov #include "exec/address-spaces.h" 38b707ab75SMax Filippov #include "hw/char/serial.h" 39b707ab75SMax Filippov #include "net/net.h" 40b707ab75SMax Filippov #include "hw/sysbus.h" 41b707ab75SMax Filippov #include "hw/block/flash.h" 42fa1d36dfSMarkus Armbruster #include "sysemu/block-backend.h" 438228e353SMarc-André Lureau #include "chardev/char.h" 44996dfe98SMax Filippov #include "sysemu/device_tree.h" 458488ab02SMax Filippov #include "qemu/error-report.h" 46b707ab75SMax Filippov #include "bootparam.h" 47b707ab75SMax Filippov 48b707ab75SMax Filippov typedef struct LxBoardDesc { 49b707ab75SMax Filippov hwaddr flash_base; 50b707ab75SMax Filippov size_t flash_size; 51b707ab75SMax Filippov size_t flash_boot_base; 52b707ab75SMax Filippov size_t flash_sector_size; 53b707ab75SMax Filippov size_t sram_size; 54b707ab75SMax Filippov } LxBoardDesc; 55b707ab75SMax Filippov 56b707ab75SMax Filippov typedef struct Lx60FpgaState { 57b707ab75SMax Filippov MemoryRegion iomem; 58b707ab75SMax Filippov uint32_t leds; 59b707ab75SMax Filippov uint32_t switches; 60b707ab75SMax Filippov } Lx60FpgaState; 61b707ab75SMax Filippov 62b707ab75SMax Filippov static void lx60_fpga_reset(void *opaque) 63b707ab75SMax Filippov { 64b707ab75SMax Filippov Lx60FpgaState *s = opaque; 65b707ab75SMax Filippov 66b707ab75SMax Filippov s->leds = 0; 67b707ab75SMax Filippov s->switches = 0; 68b707ab75SMax Filippov } 69b707ab75SMax Filippov 70b707ab75SMax Filippov static uint64_t lx60_fpga_read(void *opaque, hwaddr addr, 71b707ab75SMax Filippov unsigned size) 72b707ab75SMax Filippov { 73b707ab75SMax Filippov Lx60FpgaState *s = opaque; 74b707ab75SMax Filippov 75b707ab75SMax Filippov switch (addr) { 76b707ab75SMax Filippov case 0x0: /*build date code*/ 77b707ab75SMax Filippov return 0x09272011; 78b707ab75SMax Filippov 79b707ab75SMax Filippov case 0x4: /*processor clock frequency, Hz*/ 80b707ab75SMax Filippov return 10000000; 81b707ab75SMax Filippov 82b707ab75SMax Filippov case 0x8: /*LEDs (off = 0, on = 1)*/ 83b707ab75SMax Filippov return s->leds; 84b707ab75SMax Filippov 85b707ab75SMax Filippov case 0xc: /*DIP switches (off = 0, on = 1)*/ 86b707ab75SMax Filippov return s->switches; 87b707ab75SMax Filippov } 88b707ab75SMax Filippov return 0; 89b707ab75SMax Filippov } 90b707ab75SMax Filippov 91b707ab75SMax Filippov static void lx60_fpga_write(void *opaque, hwaddr addr, 92b707ab75SMax Filippov uint64_t val, unsigned size) 93b707ab75SMax Filippov { 94b707ab75SMax Filippov Lx60FpgaState *s = opaque; 95b707ab75SMax Filippov 96b707ab75SMax Filippov switch (addr) { 97b707ab75SMax Filippov case 0x8: /*LEDs (off = 0, on = 1)*/ 98b707ab75SMax Filippov s->leds = val; 99b707ab75SMax Filippov break; 100b707ab75SMax Filippov 101b707ab75SMax Filippov case 0x10: /*board reset*/ 102b707ab75SMax Filippov if (val == 0xdead) { 103cf83f140SEric Blake qemu_system_reset_request(SHUTDOWN_CAUSE_GUEST_RESET); 104b707ab75SMax Filippov } 105b707ab75SMax Filippov break; 106b707ab75SMax Filippov } 107b707ab75SMax Filippov } 108b707ab75SMax Filippov 109b707ab75SMax Filippov static const MemoryRegionOps lx60_fpga_ops = { 110b707ab75SMax Filippov .read = lx60_fpga_read, 111b707ab75SMax Filippov .write = lx60_fpga_write, 112b707ab75SMax Filippov .endianness = DEVICE_NATIVE_ENDIAN, 113b707ab75SMax Filippov }; 114b707ab75SMax Filippov 115b707ab75SMax Filippov static Lx60FpgaState *lx60_fpga_init(MemoryRegion *address_space, 116b707ab75SMax Filippov hwaddr base) 117b707ab75SMax Filippov { 118b707ab75SMax Filippov Lx60FpgaState *s = g_malloc(sizeof(Lx60FpgaState)); 119b707ab75SMax Filippov 120b707ab75SMax Filippov memory_region_init_io(&s->iomem, NULL, &lx60_fpga_ops, s, 121b707ab75SMax Filippov "lx60.fpga", 0x10000); 122b707ab75SMax Filippov memory_region_add_subregion(address_space, base, &s->iomem); 123b707ab75SMax Filippov lx60_fpga_reset(s); 124b707ab75SMax Filippov qemu_register_reset(lx60_fpga_reset, s); 125b707ab75SMax Filippov return s; 126b707ab75SMax Filippov } 127b707ab75SMax Filippov 128b707ab75SMax Filippov static void lx60_net_init(MemoryRegion *address_space, 129b707ab75SMax Filippov hwaddr base, 130b707ab75SMax Filippov hwaddr descriptors, 131b707ab75SMax Filippov hwaddr buffers, 132b707ab75SMax Filippov qemu_irq irq, NICInfo *nd) 133b707ab75SMax Filippov { 134b707ab75SMax Filippov DeviceState *dev; 135b707ab75SMax Filippov SysBusDevice *s; 136b707ab75SMax Filippov MemoryRegion *ram; 137b707ab75SMax Filippov 138b707ab75SMax Filippov dev = qdev_create(NULL, "open_eth"); 139b707ab75SMax Filippov qdev_set_nic_properties(dev, nd); 140b707ab75SMax Filippov qdev_init_nofail(dev); 141b707ab75SMax Filippov 142b707ab75SMax Filippov s = SYS_BUS_DEVICE(dev); 143b707ab75SMax Filippov sysbus_connect_irq(s, 0, irq); 144b707ab75SMax Filippov memory_region_add_subregion(address_space, base, 145b707ab75SMax Filippov sysbus_mmio_get_region(s, 0)); 146b707ab75SMax Filippov memory_region_add_subregion(address_space, descriptors, 147b707ab75SMax Filippov sysbus_mmio_get_region(s, 1)); 148b707ab75SMax Filippov 149b707ab75SMax Filippov ram = g_malloc(sizeof(*ram)); 1501cfe48c1SPeter Maydell memory_region_init_ram_nomigrate(ram, OBJECT(s), "open_eth.ram", 16384, 151f8ed85acSMarkus Armbruster &error_fatal); 152b707ab75SMax Filippov vmstate_register_ram_global(ram); 153b707ab75SMax Filippov memory_region_add_subregion(address_space, buffers, ram); 154b707ab75SMax Filippov } 155b707ab75SMax Filippov 15668931a40SMax Filippov static pflash_t *xtfpga_flash_init(MemoryRegion *address_space, 15768931a40SMax Filippov const LxBoardDesc *board, 15868931a40SMax Filippov DriveInfo *dinfo, int be) 15968931a40SMax Filippov { 16068931a40SMax Filippov SysBusDevice *s; 16168931a40SMax Filippov DeviceState *dev = qdev_create(NULL, "cfi.pflash01"); 16268931a40SMax Filippov 16368931a40SMax Filippov qdev_prop_set_drive(dev, "drive", blk_by_legacy_dinfo(dinfo), 16468931a40SMax Filippov &error_abort); 16568931a40SMax Filippov qdev_prop_set_uint32(dev, "num-blocks", 16668931a40SMax Filippov board->flash_size / board->flash_sector_size); 16768931a40SMax Filippov qdev_prop_set_uint64(dev, "sector-length", board->flash_sector_size); 168f9a555e4SMax Filippov qdev_prop_set_uint8(dev, "width", 2); 16968931a40SMax Filippov qdev_prop_set_bit(dev, "big-endian", be); 17068931a40SMax Filippov qdev_prop_set_string(dev, "name", "lx60.io.flash"); 17168931a40SMax Filippov qdev_init_nofail(dev); 17268931a40SMax Filippov s = SYS_BUS_DEVICE(dev); 17368931a40SMax Filippov memory_region_add_subregion(address_space, board->flash_base, 17468931a40SMax Filippov sysbus_mmio_get_region(s, 0)); 17568931a40SMax Filippov return OBJECT_CHECK(pflash_t, (dev), "cfi.pflash01"); 17668931a40SMax Filippov } 17768931a40SMax Filippov 178b707ab75SMax Filippov static uint64_t translate_phys_addr(void *opaque, uint64_t addr) 179b707ab75SMax Filippov { 180b707ab75SMax Filippov XtensaCPU *cpu = opaque; 181b707ab75SMax Filippov 182b707ab75SMax Filippov return cpu_get_phys_page_debug(CPU(cpu), addr); 183b707ab75SMax Filippov } 184b707ab75SMax Filippov 185b707ab75SMax Filippov static void lx60_reset(void *opaque) 186b707ab75SMax Filippov { 187b707ab75SMax Filippov XtensaCPU *cpu = opaque; 188b707ab75SMax Filippov 189b707ab75SMax Filippov cpu_reset(CPU(cpu)); 190b707ab75SMax Filippov } 191b707ab75SMax Filippov 1928bb3b575SMax Filippov static uint64_t lx60_io_read(void *opaque, hwaddr addr, 1938bb3b575SMax Filippov unsigned size) 1948bb3b575SMax Filippov { 1958bb3b575SMax Filippov return 0; 1968bb3b575SMax Filippov } 1978bb3b575SMax Filippov 1988bb3b575SMax Filippov static void lx60_io_write(void *opaque, hwaddr addr, 1998bb3b575SMax Filippov uint64_t val, unsigned size) 2008bb3b575SMax Filippov { 2018bb3b575SMax Filippov } 2028bb3b575SMax Filippov 2038bb3b575SMax Filippov static const MemoryRegionOps lx60_io_ops = { 2048bb3b575SMax Filippov .read = lx60_io_read, 2058bb3b575SMax Filippov .write = lx60_io_write, 2068bb3b575SMax Filippov .endianness = DEVICE_NATIVE_ENDIAN, 2078bb3b575SMax Filippov }; 2088bb3b575SMax Filippov 209b707ab75SMax Filippov static void lx_init(const LxBoardDesc *board, MachineState *machine) 210b707ab75SMax Filippov { 211b707ab75SMax Filippov #ifdef TARGET_WORDS_BIGENDIAN 212b707ab75SMax Filippov int be = 1; 213b707ab75SMax Filippov #else 214b707ab75SMax Filippov int be = 0; 215b707ab75SMax Filippov #endif 216b707ab75SMax Filippov MemoryRegion *system_memory = get_system_memory(); 217b707ab75SMax Filippov XtensaCPU *cpu = NULL; 218b707ab75SMax Filippov CPUXtensaState *env = NULL; 219b707ab75SMax Filippov MemoryRegion *ram, *rom, *system_io; 220b707ab75SMax Filippov DriveInfo *dinfo; 221b707ab75SMax Filippov pflash_t *flash = NULL; 22237b259d0SMax Filippov QemuOpts *machine_opts = qemu_get_machine_opts(); 22337b259d0SMax Filippov const char *kernel_filename = qemu_opt_get(machine_opts, "kernel"); 22437b259d0SMax Filippov const char *kernel_cmdline = qemu_opt_get(machine_opts, "append"); 225996dfe98SMax Filippov const char *dtb_filename = qemu_opt_get(machine_opts, "dtb"); 226f55b32e7SMax Filippov const char *initrd_filename = qemu_opt_get(machine_opts, "initrd"); 227b707ab75SMax Filippov int n; 228b707ab75SMax Filippov 229b707ab75SMax Filippov for (n = 0; n < smp_cpus; n++) { 230f83eb10dSIgor Mammedov cpu = XTENSA_CPU(cpu_create(machine->cpu_type)); 231b707ab75SMax Filippov env = &cpu->env; 232b707ab75SMax Filippov 233b707ab75SMax Filippov env->sregs[PRID] = n; 234b707ab75SMax Filippov qemu_register_reset(lx60_reset, cpu); 235b707ab75SMax Filippov /* Need MMU initialized prior to ELF loading, 236b707ab75SMax Filippov * so that ELF gets loaded into virtual addresses 237b707ab75SMax Filippov */ 238b707ab75SMax Filippov cpu_reset(CPU(cpu)); 239b707ab75SMax Filippov } 240b707ab75SMax Filippov 241b707ab75SMax Filippov ram = g_malloc(sizeof(*ram)); 24298a99ce0SPeter Maydell memory_region_init_ram(ram, NULL, "lx60.dram", machine->ram_size, 243f8ed85acSMarkus Armbruster &error_fatal); 244b707ab75SMax Filippov memory_region_add_subregion(system_memory, 0, ram); 245b707ab75SMax Filippov 246b707ab75SMax Filippov system_io = g_malloc(sizeof(*system_io)); 2478bb3b575SMax Filippov memory_region_init_io(system_io, NULL, &lx60_io_ops, NULL, "lx60.io", 2488bb3b575SMax Filippov 224 * 1024 * 1024); 249b707ab75SMax Filippov memory_region_add_subregion(system_memory, 0xf0000000, system_io); 250b707ab75SMax Filippov lx60_fpga_init(system_io, 0x0d020000); 251b707ab75SMax Filippov if (nd_table[0].used) { 252b707ab75SMax Filippov lx60_net_init(system_io, 0x0d030000, 0x0d030400, 0x0d800000, 253b707ab75SMax Filippov xtensa_get_extint(env, 1), nd_table); 254b707ab75SMax Filippov } 255b707ab75SMax Filippov 256b707ab75SMax Filippov if (!serial_hds[0]) { 257b4948be9SMarc-André Lureau serial_hds[0] = qemu_chr_new("serial0", "null"); 258b707ab75SMax Filippov } 259b707ab75SMax Filippov 260b707ab75SMax Filippov serial_mm_init(system_io, 0x0d050020, 2, xtensa_get_extint(env, 0), 261b707ab75SMax Filippov 115200, serial_hds[0], DEVICE_NATIVE_ENDIAN); 262b707ab75SMax Filippov 263b707ab75SMax Filippov dinfo = drive_get(IF_PFLASH, 0, 0); 264b707ab75SMax Filippov if (dinfo) { 26568931a40SMax Filippov flash = xtfpga_flash_init(system_io, board, dinfo, be); 266b707ab75SMax Filippov } 267b707ab75SMax Filippov 268b707ab75SMax Filippov /* Use presence of kernel file name as 'boot from SRAM' switch. */ 269b707ab75SMax Filippov if (kernel_filename) { 270364d4802SMax Filippov uint32_t entry_point = env->pc; 271b6edea8bSMax Filippov size_t bp_size = 3 * get_tag_size(0); /* first/last and memory tags */ 272a9a28591SMax Filippov uint32_t tagptr = 0xfe000000 + board->sram_size; 273a9a28591SMax Filippov uint32_t cur_tagptr; 274b6edea8bSMax Filippov BpMemInfo memory_location = { 275b6edea8bSMax Filippov .type = tswap32(MEMORY_TYPE_CONVENTIONAL), 276b6edea8bSMax Filippov .start = tswap32(0), 277b6edea8bSMax Filippov .end = tswap32(machine->ram_size), 278b6edea8bSMax Filippov }; 279996dfe98SMax Filippov uint32_t lowmem_end = machine->ram_size < 0x08000000 ? 280996dfe98SMax Filippov machine->ram_size : 0x08000000; 281996dfe98SMax Filippov uint32_t cur_lowmem = QEMU_ALIGN_UP(lowmem_end / 2, 4096); 282a9a28591SMax Filippov 283b707ab75SMax Filippov rom = g_malloc(sizeof(*rom)); 28498a99ce0SPeter Maydell memory_region_init_ram(rom, NULL, "lx60.sram", board->sram_size, 285f8ed85acSMarkus Armbruster &error_fatal); 286b707ab75SMax Filippov memory_region_add_subregion(system_memory, 0xfe000000, rom); 287b707ab75SMax Filippov 288b707ab75SMax Filippov if (kernel_cmdline) { 289a9a28591SMax Filippov bp_size += get_tag_size(strlen(kernel_cmdline) + 1); 290a9a28591SMax Filippov } 291996dfe98SMax Filippov if (dtb_filename) { 292996dfe98SMax Filippov bp_size += get_tag_size(sizeof(uint32_t)); 293996dfe98SMax Filippov } 294f55b32e7SMax Filippov if (initrd_filename) { 295f55b32e7SMax Filippov bp_size += get_tag_size(sizeof(BpMemInfo)); 296f55b32e7SMax Filippov } 297b707ab75SMax Filippov 298a9a28591SMax Filippov /* Put kernel bootparameters to the end of that SRAM */ 299a9a28591SMax Filippov tagptr = (tagptr - bp_size) & ~0xff; 300a9a28591SMax Filippov cur_tagptr = put_tag(tagptr, BP_TAG_FIRST, 0, NULL); 301b6edea8bSMax Filippov cur_tagptr = put_tag(cur_tagptr, BP_TAG_MEMORY, 302b6edea8bSMax Filippov sizeof(memory_location), &memory_location); 303a9a28591SMax Filippov 304a9a28591SMax Filippov if (kernel_cmdline) { 305a9a28591SMax Filippov cur_tagptr = put_tag(cur_tagptr, BP_TAG_COMMAND_LINE, 306a9a28591SMax Filippov strlen(kernel_cmdline) + 1, kernel_cmdline); 307a9a28591SMax Filippov } 3080e80359eSMax Filippov #ifdef CONFIG_FDT 309996dfe98SMax Filippov if (dtb_filename) { 310996dfe98SMax Filippov int fdt_size; 311996dfe98SMax Filippov void *fdt = load_device_tree(dtb_filename, &fdt_size); 312996dfe98SMax Filippov uint32_t dtb_addr = tswap32(cur_lowmem); 313996dfe98SMax Filippov 314996dfe98SMax Filippov if (!fdt) { 315ebbb419aSGonglei error_report("could not load DTB '%s'", dtb_filename); 316996dfe98SMax Filippov exit(EXIT_FAILURE); 317996dfe98SMax Filippov } 318996dfe98SMax Filippov 319996dfe98SMax Filippov cpu_physical_memory_write(cur_lowmem, fdt, fdt_size); 320996dfe98SMax Filippov cur_tagptr = put_tag(cur_tagptr, BP_TAG_FDT, 321996dfe98SMax Filippov sizeof(dtb_addr), &dtb_addr); 322996dfe98SMax Filippov cur_lowmem = QEMU_ALIGN_UP(cur_lowmem + fdt_size, 4096); 323996dfe98SMax Filippov } 3240e80359eSMax Filippov #else 3250e80359eSMax Filippov if (dtb_filename) { 3260e80359eSMax Filippov error_report("could not load DTB '%s': " 3270e80359eSMax Filippov "FDT support is not configured in QEMU", 3280e80359eSMax Filippov dtb_filename); 3290e80359eSMax Filippov exit(EXIT_FAILURE); 3300e80359eSMax Filippov } 3310e80359eSMax Filippov #endif 332f55b32e7SMax Filippov if (initrd_filename) { 333f55b32e7SMax Filippov BpMemInfo initrd_location = { 0 }; 334f55b32e7SMax Filippov int initrd_size = load_ramdisk(initrd_filename, cur_lowmem, 335f55b32e7SMax Filippov lowmem_end - cur_lowmem); 336f55b32e7SMax Filippov 337f55b32e7SMax Filippov if (initrd_size < 0) { 338f55b32e7SMax Filippov initrd_size = load_image_targphys(initrd_filename, 339f55b32e7SMax Filippov cur_lowmem, 340f55b32e7SMax Filippov lowmem_end - cur_lowmem); 341f55b32e7SMax Filippov } 342f55b32e7SMax Filippov if (initrd_size < 0) { 343ebbb419aSGonglei error_report("could not load initrd '%s'", initrd_filename); 344f55b32e7SMax Filippov exit(EXIT_FAILURE); 345f55b32e7SMax Filippov } 346f55b32e7SMax Filippov initrd_location.start = tswap32(cur_lowmem); 347f55b32e7SMax Filippov initrd_location.end = tswap32(cur_lowmem + initrd_size); 348f55b32e7SMax Filippov cur_tagptr = put_tag(cur_tagptr, BP_TAG_INITRD, 349f55b32e7SMax Filippov sizeof(initrd_location), &initrd_location); 350f55b32e7SMax Filippov cur_lowmem = QEMU_ALIGN_UP(cur_lowmem + initrd_size, 4096); 351f55b32e7SMax Filippov } 352a9a28591SMax Filippov cur_tagptr = put_tag(cur_tagptr, BP_TAG_LAST, 0, NULL); 353b707ab75SMax Filippov env->regs[2] = tagptr; 354b707ab75SMax Filippov 355b707ab75SMax Filippov uint64_t elf_entry; 356b707ab75SMax Filippov uint64_t elf_lowaddr; 357b707ab75SMax Filippov int success = load_elf(kernel_filename, translate_phys_addr, cpu, 3587ef295eaSPeter Crosthwaite &elf_entry, &elf_lowaddr, NULL, be, EM_XTENSA, 0, 0); 359b707ab75SMax Filippov if (success > 0) { 360364d4802SMax Filippov entry_point = elf_entry; 361364d4802SMax Filippov } else { 362364d4802SMax Filippov hwaddr ep; 363364d4802SMax Filippov int is_linux; 36425bda50aSMax Filippov success = load_uimage(kernel_filename, &ep, NULL, &is_linux, 3656d2e4530SMax Filippov translate_phys_addr, cpu); 366364d4802SMax Filippov if (success > 0 && is_linux) { 367364d4802SMax Filippov entry_point = ep; 368364d4802SMax Filippov } else { 369ebbb419aSGonglei error_report("could not load kernel '%s'", 370364d4802SMax Filippov kernel_filename); 371364d4802SMax Filippov exit(EXIT_FAILURE); 372364d4802SMax Filippov } 373364d4802SMax Filippov } 374364d4802SMax Filippov if (entry_point != env->pc) { 375*339ef8fbSMax Filippov uint8_t boot[] = { 376364d4802SMax Filippov #ifdef TARGET_WORDS_BIGENDIAN 377*339ef8fbSMax Filippov 0x60, 0x00, 0x08, /* j 1f */ 378*339ef8fbSMax Filippov 0x00, /* .literal_position */ 379*339ef8fbSMax Filippov 0x00, 0x00, 0x00, 0x00, /* .literal entry_pc */ 380*339ef8fbSMax Filippov 0x00, 0x00, 0x00, 0x00, /* .literal entry_a2 */ 381*339ef8fbSMax Filippov /* 1: */ 382*339ef8fbSMax Filippov 0x10, 0xff, 0xfe, /* l32r a0, entry_pc */ 383*339ef8fbSMax Filippov 0x12, 0xff, 0xfe, /* l32r a2, entry_a2 */ 384*339ef8fbSMax Filippov 0x0a, 0x00, 0x00, /* jx a0 */ 385364d4802SMax Filippov #else 386*339ef8fbSMax Filippov 0x06, 0x02, 0x00, /* j 1f */ 387*339ef8fbSMax Filippov 0x00, /* .literal_position */ 388*339ef8fbSMax Filippov 0x00, 0x00, 0x00, 0x00, /* .literal entry_pc */ 389*339ef8fbSMax Filippov 0x00, 0x00, 0x00, 0x00, /* .literal entry_a2 */ 390*339ef8fbSMax Filippov /* 1: */ 391*339ef8fbSMax Filippov 0x01, 0xfe, 0xff, /* l32r a0, entry_pc */ 392*339ef8fbSMax Filippov 0x21, 0xfe, 0xff, /* l32r a2, entry_a2 */ 393*339ef8fbSMax Filippov 0xa0, 0x00, 0x00, /* jx a0 */ 394364d4802SMax Filippov #endif 395364d4802SMax Filippov }; 396*339ef8fbSMax Filippov uint32_t entry_pc = tswap32(entry_point); 397*339ef8fbSMax Filippov uint32_t entry_a2 = tswap32(tagptr); 398*339ef8fbSMax Filippov 399*339ef8fbSMax Filippov memcpy(boot + 4, &entry_pc, sizeof(entry_pc)); 400*339ef8fbSMax Filippov memcpy(boot + 8, &entry_a2, sizeof(entry_a2)); 401*339ef8fbSMax Filippov cpu_physical_memory_write(env->pc, boot, sizeof(boot)); 402b707ab75SMax Filippov } 403b707ab75SMax Filippov } else { 404b707ab75SMax Filippov if (flash) { 405b707ab75SMax Filippov MemoryRegion *flash_mr = pflash_cfi01_get_memory(flash); 406b707ab75SMax Filippov MemoryRegion *flash_io = g_malloc(sizeof(*flash_io)); 407b707ab75SMax Filippov 408b707ab75SMax Filippov memory_region_init_alias(flash_io, NULL, "lx60.flash", 409b707ab75SMax Filippov flash_mr, board->flash_boot_base, 410b707ab75SMax Filippov board->flash_size - board->flash_boot_base < 0x02000000 ? 411b707ab75SMax Filippov board->flash_size - board->flash_boot_base : 0x02000000); 412b707ab75SMax Filippov memory_region_add_subregion(system_memory, 0xfe000000, 413b707ab75SMax Filippov flash_io); 414b707ab75SMax Filippov } 415b707ab75SMax Filippov } 416b707ab75SMax Filippov } 417b707ab75SMax Filippov 418b707ab75SMax Filippov static void xtensa_lx60_init(MachineState *machine) 419b707ab75SMax Filippov { 420b707ab75SMax Filippov static const LxBoardDesc lx60_board = { 42168931a40SMax Filippov .flash_base = 0x08000000, 422b707ab75SMax Filippov .flash_size = 0x00400000, 423b707ab75SMax Filippov .flash_sector_size = 0x10000, 424b707ab75SMax Filippov .sram_size = 0x20000, 425b707ab75SMax Filippov }; 426b707ab75SMax Filippov lx_init(&lx60_board, machine); 427b707ab75SMax Filippov } 428b707ab75SMax Filippov 429b707ab75SMax Filippov static void xtensa_lx200_init(MachineState *machine) 430b707ab75SMax Filippov { 431b707ab75SMax Filippov static const LxBoardDesc lx200_board = { 43268931a40SMax Filippov .flash_base = 0x08000000, 433b707ab75SMax Filippov .flash_size = 0x01000000, 434b707ab75SMax Filippov .flash_sector_size = 0x20000, 435b707ab75SMax Filippov .sram_size = 0x2000000, 436b707ab75SMax Filippov }; 437b707ab75SMax Filippov lx_init(&lx200_board, machine); 438b707ab75SMax Filippov } 439b707ab75SMax Filippov 440b707ab75SMax Filippov static void xtensa_ml605_init(MachineState *machine) 441b707ab75SMax Filippov { 442b707ab75SMax Filippov static const LxBoardDesc ml605_board = { 44368931a40SMax Filippov .flash_base = 0x08000000, 44412004c9eSMax Filippov .flash_size = 0x01000000, 445b707ab75SMax Filippov .flash_sector_size = 0x20000, 446b707ab75SMax Filippov .sram_size = 0x2000000, 447b707ab75SMax Filippov }; 448b707ab75SMax Filippov lx_init(&ml605_board, machine); 449b707ab75SMax Filippov } 450b707ab75SMax Filippov 451b707ab75SMax Filippov static void xtensa_kc705_init(MachineState *machine) 452b707ab75SMax Filippov { 453b707ab75SMax Filippov static const LxBoardDesc kc705_board = { 45468931a40SMax Filippov .flash_base = 0x00000000, 455b707ab75SMax Filippov .flash_size = 0x08000000, 456b707ab75SMax Filippov .flash_boot_base = 0x06000000, 457b707ab75SMax Filippov .flash_sector_size = 0x20000, 458b707ab75SMax Filippov .sram_size = 0x2000000, 459b707ab75SMax Filippov }; 460b707ab75SMax Filippov lx_init(&kc705_board, machine); 461b707ab75SMax Filippov } 462b707ab75SMax Filippov 4638a661aeaSAndreas Färber static void xtensa_lx60_class_init(ObjectClass *oc, void *data) 464b707ab75SMax Filippov { 4658a661aeaSAndreas Färber MachineClass *mc = MACHINE_CLASS(oc); 4668a661aeaSAndreas Färber 467e264d29dSEduardo Habkost mc->desc = "lx60 EVB (" XTENSA_DEFAULT_CPU_MODEL ")"; 468e264d29dSEduardo Habkost mc->init = xtensa_lx60_init; 469e264d29dSEduardo Habkost mc->max_cpus = 4; 470f83eb10dSIgor Mammedov mc->default_cpu_type = XTENSA_DEFAULT_CPU_TYPE; 471b707ab75SMax Filippov } 472b707ab75SMax Filippov 4738a661aeaSAndreas Färber static const TypeInfo xtensa_lx60_type = { 4748a661aeaSAndreas Färber .name = MACHINE_TYPE_NAME("lx60"), 4758a661aeaSAndreas Färber .parent = TYPE_MACHINE, 4768a661aeaSAndreas Färber .class_init = xtensa_lx60_class_init, 4778a661aeaSAndreas Färber }; 478e264d29dSEduardo Habkost 4798a661aeaSAndreas Färber static void xtensa_lx200_class_init(ObjectClass *oc, void *data) 480e264d29dSEduardo Habkost { 4818a661aeaSAndreas Färber MachineClass *mc = MACHINE_CLASS(oc); 4828a661aeaSAndreas Färber 483e264d29dSEduardo Habkost mc->desc = "lx200 EVB (" XTENSA_DEFAULT_CPU_MODEL ")"; 484e264d29dSEduardo Habkost mc->init = xtensa_lx200_init; 485e264d29dSEduardo Habkost mc->max_cpus = 4; 486f83eb10dSIgor Mammedov mc->default_cpu_type = XTENSA_DEFAULT_CPU_TYPE; 487e264d29dSEduardo Habkost } 488e264d29dSEduardo Habkost 4898a661aeaSAndreas Färber static const TypeInfo xtensa_lx200_type = { 4908a661aeaSAndreas Färber .name = MACHINE_TYPE_NAME("lx200"), 4918a661aeaSAndreas Färber .parent = TYPE_MACHINE, 4928a661aeaSAndreas Färber .class_init = xtensa_lx200_class_init, 4938a661aeaSAndreas Färber }; 494e264d29dSEduardo Habkost 4958a661aeaSAndreas Färber static void xtensa_ml605_class_init(ObjectClass *oc, void *data) 496e264d29dSEduardo Habkost { 4978a661aeaSAndreas Färber MachineClass *mc = MACHINE_CLASS(oc); 4988a661aeaSAndreas Färber 499e264d29dSEduardo Habkost mc->desc = "ml605 EVB (" XTENSA_DEFAULT_CPU_MODEL ")"; 500e264d29dSEduardo Habkost mc->init = xtensa_ml605_init; 501e264d29dSEduardo Habkost mc->max_cpus = 4; 502f83eb10dSIgor Mammedov mc->default_cpu_type = XTENSA_DEFAULT_CPU_TYPE; 503e264d29dSEduardo Habkost } 504e264d29dSEduardo Habkost 5058a661aeaSAndreas Färber static const TypeInfo xtensa_ml605_type = { 5068a661aeaSAndreas Färber .name = MACHINE_TYPE_NAME("ml605"), 5078a661aeaSAndreas Färber .parent = TYPE_MACHINE, 5088a661aeaSAndreas Färber .class_init = xtensa_ml605_class_init, 5098a661aeaSAndreas Färber }; 510e264d29dSEduardo Habkost 5118a661aeaSAndreas Färber static void xtensa_kc705_class_init(ObjectClass *oc, void *data) 512e264d29dSEduardo Habkost { 5138a661aeaSAndreas Färber MachineClass *mc = MACHINE_CLASS(oc); 5148a661aeaSAndreas Färber 515e264d29dSEduardo Habkost mc->desc = "kc705 EVB (" XTENSA_DEFAULT_CPU_MODEL ")"; 516e264d29dSEduardo Habkost mc->init = xtensa_kc705_init; 517e264d29dSEduardo Habkost mc->max_cpus = 4; 518f83eb10dSIgor Mammedov mc->default_cpu_type = XTENSA_DEFAULT_CPU_TYPE; 519e264d29dSEduardo Habkost } 520e264d29dSEduardo Habkost 5218a661aeaSAndreas Färber static const TypeInfo xtensa_kc705_type = { 5228a661aeaSAndreas Färber .name = MACHINE_TYPE_NAME("kc705"), 5238a661aeaSAndreas Färber .parent = TYPE_MACHINE, 5248a661aeaSAndreas Färber .class_init = xtensa_kc705_class_init, 5258a661aeaSAndreas Färber }; 5268a661aeaSAndreas Färber 5278a661aeaSAndreas Färber static void xtensa_lx_machines_init(void) 5288a661aeaSAndreas Färber { 5298a661aeaSAndreas Färber type_register_static(&xtensa_lx60_type); 5308a661aeaSAndreas Färber type_register_static(&xtensa_lx200_type); 5318a661aeaSAndreas Färber type_register_static(&xtensa_ml605_type); 5328a661aeaSAndreas Färber type_register_static(&xtensa_kc705_type); 5338a661aeaSAndreas Färber } 5348a661aeaSAndreas Färber 5350e6aac87SEduardo Habkost type_init(xtensa_lx_machines_init) 536