diff options
Diffstat (limited to 'qemu/hw/nvram')
| -rw-r--r-- | qemu/hw/nvram/Makefile.objs | 5 | ||||
| -rw-r--r-- | qemu/hw/nvram/ds1225y.c | 170 | ||||
| -rw-r--r-- | qemu/hw/nvram/eeprom93xx.c | 337 | ||||
| -rw-r--r-- | qemu/hw/nvram/fw_cfg.c | 1099 | ||||
| -rw-r--r-- | qemu/hw/nvram/mac_nvram.c | 218 | ||||
| -rw-r--r-- | qemu/hw/nvram/spapr_nvram.c | 252 |
6 files changed, 0 insertions, 2081 deletions
diff --git a/qemu/hw/nvram/Makefile.objs b/qemu/hw/nvram/Makefile.objs deleted file mode 100644 index e9a66940e..000000000 --- a/qemu/hw/nvram/Makefile.objs +++ /dev/null @@ -1,5 +0,0 @@ -common-obj-$(CONFIG_DS1225Y) += ds1225y.o -common-obj-y += eeprom93xx.o -common-obj-y += fw_cfg.o -common-obj-$(CONFIG_MAC_NVRAM) += mac_nvram.o -obj-$(CONFIG_PSERIES) += spapr_nvram.o diff --git a/qemu/hw/nvram/ds1225y.c b/qemu/hw/nvram/ds1225y.c deleted file mode 100644 index 57d5ab215..000000000 --- a/qemu/hw/nvram/ds1225y.c +++ /dev/null @@ -1,170 +0,0 @@ -/* - * QEMU NVRAM emulation for DS1225Y chip - * - * Copyright (c) 2007-2008 Hervé Poussineau - * - * 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 "qemu/osdep.h" -#include "hw/sysbus.h" -#include "trace.h" - -typedef struct { - MemoryRegion iomem; - uint32_t chip_size; - char *filename; - FILE *file; - uint8_t *contents; -} NvRamState; - -static uint64_t nvram_read(void *opaque, hwaddr addr, unsigned size) -{ - NvRamState *s = opaque; - uint32_t val; - - val = s->contents[addr]; - trace_nvram_read(addr, val); - return val; -} - -static void nvram_write(void *opaque, hwaddr addr, uint64_t val, - unsigned size) -{ - NvRamState *s = opaque; - - val &= 0xff; - trace_nvram_write(addr, s->contents[addr], val); - - s->contents[addr] = val; - if (s->file) { - fseek(s->file, addr, SEEK_SET); - fputc(val, s->file); - fflush(s->file); - } -} - -static const MemoryRegionOps nvram_ops = { - .read = nvram_read, - .write = nvram_write, - .impl = { - .min_access_size = 1, - .max_access_size = 1, - }, - .endianness = DEVICE_LITTLE_ENDIAN, -}; - -static int nvram_post_load(void *opaque, int version_id) -{ - NvRamState *s = opaque; - - /* Close file, as filename may has changed in load/store process */ - if (s->file) { - fclose(s->file); - } - - /* Write back nvram contents */ - s->file = fopen(s->filename, "wb"); - if (s->file) { - /* Write back contents, as 'wb' mode cleaned the file */ - if (fwrite(s->contents, s->chip_size, 1, s->file) != 1) { - printf("nvram_post_load: short write\n"); - } - fflush(s->file); - } - - return 0; -} - -static const VMStateDescription vmstate_nvram = { - .name = "nvram", - .version_id = 0, - .minimum_version_id = 0, - .post_load = nvram_post_load, - .fields = (VMStateField[]) { - VMSTATE_VARRAY_UINT32(contents, NvRamState, chip_size, 0, - vmstate_info_uint8, uint8_t), - VMSTATE_END_OF_LIST() - } -}; - -#define TYPE_DS1225Y "ds1225y" -#define DS1225Y(obj) OBJECT_CHECK(SysBusNvRamState, (obj), TYPE_DS1225Y) - -typedef struct { - SysBusDevice parent_obj; - - NvRamState nvram; -} SysBusNvRamState; - -static int nvram_sysbus_initfn(SysBusDevice *dev) -{ - SysBusNvRamState *sys = DS1225Y(dev); - NvRamState *s = &sys->nvram; - FILE *file; - - s->contents = g_malloc0(s->chip_size); - - memory_region_init_io(&s->iomem, OBJECT(s), &nvram_ops, s, - "nvram", s->chip_size); - sysbus_init_mmio(dev, &s->iomem); - - /* Read current file */ - file = fopen(s->filename, "rb"); - if (file) { - /* Read nvram contents */ - if (fread(s->contents, s->chip_size, 1, file) != 1) { - printf("nvram_sysbus_initfn: short read\n"); - } - fclose(file); - } - nvram_post_load(s, 0); - - return 0; -} - -static Property nvram_sysbus_properties[] = { - DEFINE_PROP_UINT32("size", SysBusNvRamState, nvram.chip_size, 0x2000), - DEFINE_PROP_STRING("filename", SysBusNvRamState, nvram.filename), - DEFINE_PROP_END_OF_LIST(), -}; - -static void nvram_sysbus_class_init(ObjectClass *klass, void *data) -{ - DeviceClass *dc = DEVICE_CLASS(klass); - SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass); - - k->init = nvram_sysbus_initfn; - dc->vmsd = &vmstate_nvram; - dc->props = nvram_sysbus_properties; -} - -static const TypeInfo nvram_sysbus_info = { - .name = TYPE_DS1225Y, - .parent = TYPE_SYS_BUS_DEVICE, - .instance_size = sizeof(SysBusNvRamState), - .class_init = nvram_sysbus_class_init, -}; - -static void nvram_register_types(void) -{ - type_register_static(&nvram_sysbus_info); -} - -type_init(nvram_register_types) diff --git a/qemu/hw/nvram/eeprom93xx.c b/qemu/hw/nvram/eeprom93xx.c deleted file mode 100644 index 2c16fc23d..000000000 --- a/qemu/hw/nvram/eeprom93xx.c +++ /dev/null @@ -1,337 +0,0 @@ -/* - * QEMU EEPROM 93xx emulation - * - * Copyright (c) 2006-2007 Stefan Weil - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, see <http://www.gnu.org/licenses/>. - */ - -/* Emulation for serial EEPROMs: - * NMC93C06 256-Bit (16 x 16) - * NMC93C46 1024-Bit (64 x 16) - * NMC93C56 2028 Bit (128 x 16) - * NMC93C66 4096 Bit (256 x 16) - * Compatible devices include FM93C46 and others. - * - * Other drivers use these interface functions: - * eeprom93xx_new - add a new EEPROM (with 16, 64 or 256 words) - * eeprom93xx_free - destroy EEPROM - * eeprom93xx_read - read data from the EEPROM - * eeprom93xx_write - write data to the EEPROM - * eeprom93xx_data - get EEPROM data array for external manipulation - * - * Todo list: - * - No emulation of EEPROM timings. - */ - -#include "qemu/osdep.h" -#include "hw/hw.h" -#include "hw/nvram/eeprom93xx.h" - -/* Debug EEPROM emulation. */ -//~ #define DEBUG_EEPROM - -#ifdef DEBUG_EEPROM -#define logout(fmt, ...) fprintf(stderr, "EEPROM\t%-24s" fmt, __func__, ## __VA_ARGS__) -#else -#define logout(fmt, ...) ((void)0) -#endif - -#define EEPROM_INSTANCE 0 -#define OLD_EEPROM_VERSION 20061112 -#define EEPROM_VERSION (OLD_EEPROM_VERSION + 1) - -#if 0 -typedef enum { - eeprom_read = 0x80, /* read register xx */ - eeprom_write = 0x40, /* write register xx */ - eeprom_erase = 0xc0, /* erase register xx */ - eeprom_ewen = 0x30, /* erase / write enable */ - eeprom_ewds = 0x00, /* erase / write disable */ - eeprom_eral = 0x20, /* erase all registers */ - eeprom_wral = 0x10, /* write all registers */ - eeprom_amask = 0x0f, - eeprom_imask = 0xf0 -} eeprom_instruction_t; -#endif - -#ifdef DEBUG_EEPROM -static const char *opstring[] = { - "extended", "write", "read", "erase" -}; -#endif - -struct _eeprom_t { - uint8_t tick; - uint8_t address; - uint8_t command; - uint8_t writable; - - uint8_t eecs; - uint8_t eesk; - uint8_t eedo; - - uint8_t addrbits; - uint16_t size; - uint16_t data; - uint16_t contents[0]; -}; - -/* Code for saving and restoring of EEPROM state. */ - -/* Restore an uint16_t from an uint8_t - This is a Big hack, but it is how the old state did it. - */ - -static int get_uint16_from_uint8(QEMUFile *f, void *pv, size_t size) -{ - uint16_t *v = pv; - *v = qemu_get_ubyte(f); - return 0; -} - -static void put_unused(QEMUFile *f, void *pv, size_t size) -{ - fprintf(stderr, "uint16_from_uint8 is used only for backwards compatibility.\n"); - fprintf(stderr, "Never should be used to write a new state.\n"); - exit(0); -} - -static const VMStateInfo vmstate_hack_uint16_from_uint8 = { - .name = "uint16_from_uint8", - .get = get_uint16_from_uint8, - .put = put_unused, -}; - -#define VMSTATE_UINT16_HACK_TEST(_f, _s, _t) \ - VMSTATE_SINGLE_TEST(_f, _s, _t, 0, vmstate_hack_uint16_from_uint8, uint16_t) - -static bool is_old_eeprom_version(void *opaque, int version_id) -{ - return version_id == OLD_EEPROM_VERSION; -} - -static const VMStateDescription vmstate_eeprom = { - .name = "eeprom", - .version_id = EEPROM_VERSION, - .minimum_version_id = OLD_EEPROM_VERSION, - .fields = (VMStateField[]) { - VMSTATE_UINT8(tick, eeprom_t), - VMSTATE_UINT8(address, eeprom_t), - VMSTATE_UINT8(command, eeprom_t), - VMSTATE_UINT8(writable, eeprom_t), - - VMSTATE_UINT8(eecs, eeprom_t), - VMSTATE_UINT8(eesk, eeprom_t), - VMSTATE_UINT8(eedo, eeprom_t), - - VMSTATE_UINT8(addrbits, eeprom_t), - VMSTATE_UINT16_HACK_TEST(size, eeprom_t, is_old_eeprom_version), - VMSTATE_UNUSED_TEST(is_old_eeprom_version, 1), - VMSTATE_UINT16_EQUAL_V(size, eeprom_t, EEPROM_VERSION), - VMSTATE_UINT16(data, eeprom_t), - VMSTATE_VARRAY_UINT16_UNSAFE(contents, eeprom_t, size, 0, - vmstate_info_uint16, uint16_t), - VMSTATE_END_OF_LIST() - } -}; - -void eeprom93xx_write(eeprom_t *eeprom, int eecs, int eesk, int eedi) -{ - uint8_t tick = eeprom->tick; - uint8_t eedo = eeprom->eedo; - uint16_t address = eeprom->address; - uint8_t command = eeprom->command; - - logout("CS=%u SK=%u DI=%u DO=%u, tick = %u\n", - eecs, eesk, eedi, eedo, tick); - - if (!eeprom->eecs && eecs) { - /* Start chip select cycle. */ - logout("Cycle start, waiting for 1st start bit (0)\n"); - tick = 0; - command = 0x0; - address = 0x0; - } else if (eeprom->eecs && !eecs) { - /* End chip select cycle. This triggers write / erase. */ - if (eeprom->writable) { - uint8_t subcommand = address >> (eeprom->addrbits - 2); - if (command == 0 && subcommand == 2) { - /* Erase all. */ - for (address = 0; address < eeprom->size; address++) { - eeprom->contents[address] = 0xffff; - } - } else if (command == 3) { - /* Erase word. */ - eeprom->contents[address] = 0xffff; - } else if (tick >= 2 + 2 + eeprom->addrbits + 16) { - if (command == 1) { - /* Write word. */ - eeprom->contents[address] &= eeprom->data; - } else if (command == 0 && subcommand == 1) { - /* Write all. */ - for (address = 0; address < eeprom->size; address++) { - eeprom->contents[address] &= eeprom->data; - } - } - } - } - /* Output DO is tristate, read results in 1. */ - eedo = 1; - } else if (eecs && !eeprom->eesk && eesk) { - /* Raising edge of clock shifts data in. */ - if (tick == 0) { - /* Wait for 1st start bit. */ - if (eedi == 0) { - logout("Got correct 1st start bit, waiting for 2nd start bit (1)\n"); - tick++; - } else { - logout("wrong 1st start bit (is 1, should be 0)\n"); - tick = 2; - //~ assert(!"wrong start bit"); - } - } else if (tick == 1) { - /* Wait for 2nd start bit. */ - if (eedi != 0) { - logout("Got correct 2nd start bit, getting command + address\n"); - tick++; - } else { - logout("1st start bit is longer than needed\n"); - } - } else if (tick < 2 + 2) { - /* Got 2 start bits, transfer 2 opcode bits. */ - tick++; - command <<= 1; - if (eedi) { - command += 1; - } - } else if (tick < 2 + 2 + eeprom->addrbits) { - /* Got 2 start bits and 2 opcode bits, transfer all address bits. */ - tick++; - address = ((address << 1) | eedi); - if (tick == 2 + 2 + eeprom->addrbits) { - logout("%s command, address = 0x%02x (value 0x%04x)\n", - opstring[command], address, eeprom->contents[address]); - if (command == 2) { - eedo = 0; - } - address = address % eeprom->size; - if (command == 0) { - /* Command code in upper 2 bits of address. */ - switch (address >> (eeprom->addrbits - 2)) { - case 0: - logout("write disable command\n"); - eeprom->writable = 0; - break; - case 1: - logout("write all command\n"); - break; - case 2: - logout("erase all command\n"); - break; - case 3: - logout("write enable command\n"); - eeprom->writable = 1; - break; - } - } else { - /* Read, write or erase word. */ - eeprom->data = eeprom->contents[address]; - } - } - } else if (tick < 2 + 2 + eeprom->addrbits + 16) { - /* Transfer 16 data bits. */ - tick++; - if (command == 2) { - /* Read word. */ - eedo = ((eeprom->data & 0x8000) != 0); - } - eeprom->data <<= 1; - eeprom->data += eedi; - } else { - logout("additional unneeded tick, not processed\n"); - } - } - /* Save status of EEPROM. */ - eeprom->tick = tick; - eeprom->eecs = eecs; - eeprom->eesk = eesk; - eeprom->eedo = eedo; - eeprom->address = address; - eeprom->command = command; -} - -uint16_t eeprom93xx_read(eeprom_t *eeprom) -{ - /* Return status of pin DO (0 or 1). */ - logout("CS=%u DO=%u\n", eeprom->eecs, eeprom->eedo); - return eeprom->eedo; -} - -#if 0 -void eeprom93xx_reset(eeprom_t *eeprom) -{ - /* prepare eeprom */ - logout("eeprom = 0x%p\n", eeprom); - eeprom->tick = 0; - eeprom->command = 0; -} -#endif - -eeprom_t *eeprom93xx_new(DeviceState *dev, uint16_t nwords) -{ - /* Add a new EEPROM (with 16, 64 or 256 words). */ - eeprom_t *eeprom; - uint8_t addrbits; - - switch (nwords) { - case 16: - case 64: - addrbits = 6; - break; - case 128: - case 256: - addrbits = 8; - break; - default: - assert(!"Unsupported EEPROM size, fallback to 64 words!"); - nwords = 64; - addrbits = 6; - } - - eeprom = (eeprom_t *)g_malloc0(sizeof(*eeprom) + nwords * 2); - eeprom->size = nwords; - eeprom->addrbits = addrbits; - /* Output DO is tristate, read results in 1. */ - eeprom->eedo = 1; - logout("eeprom = 0x%p, nwords = %u\n", eeprom, nwords); - vmstate_register(dev, 0, &vmstate_eeprom, eeprom); - return eeprom; -} - -void eeprom93xx_free(DeviceState *dev, eeprom_t *eeprom) -{ - /* Destroy EEPROM. */ - logout("eeprom = 0x%p\n", eeprom); - vmstate_unregister(dev, &vmstate_eeprom, eeprom); - g_free(eeprom); -} - -uint16_t *eeprom93xx_data(eeprom_t *eeprom) -{ - /* Get EEPROM data array. */ - return &eeprom->contents[0]; -} - -/* eof */ diff --git a/qemu/hw/nvram/fw_cfg.c b/qemu/hw/nvram/fw_cfg.c deleted file mode 100644 index 999f48028..000000000 --- a/qemu/hw/nvram/fw_cfg.c +++ /dev/null @@ -1,1099 +0,0 @@ -/* - * QEMU Firmware configuration device emulation - * - * Copyright (c) 2008 Gleb Natapov - * - * 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 "qemu/osdep.h" -#include "hw/hw.h" -#include "sysemu/sysemu.h" -#include "sysemu/dma.h" -#include "hw/isa/isa.h" -#include "hw/nvram/fw_cfg.h" -#include "hw/sysbus.h" -#include "hw/boards.h" -#include "trace.h" -#include "qemu/error-report.h" -#include "qemu/config-file.h" -#include "qemu/cutils.h" - -#define FW_CFG_NAME "fw_cfg" -#define FW_CFG_PATH "/machine/" FW_CFG_NAME - -#define TYPE_FW_CFG "fw_cfg" -#define TYPE_FW_CFG_IO "fw_cfg_io" -#define TYPE_FW_CFG_MEM "fw_cfg_mem" - -#define FW_CFG(obj) OBJECT_CHECK(FWCfgState, (obj), TYPE_FW_CFG) -#define FW_CFG_IO(obj) OBJECT_CHECK(FWCfgIoState, (obj), TYPE_FW_CFG_IO) -#define FW_CFG_MEM(obj) OBJECT_CHECK(FWCfgMemState, (obj), TYPE_FW_CFG_MEM) - -/* FW_CFG_VERSION bits */ -#define FW_CFG_VERSION 0x01 -#define FW_CFG_VERSION_DMA 0x02 - -/* FW_CFG_DMA_CONTROL bits */ -#define FW_CFG_DMA_CTL_ERROR 0x01 -#define FW_CFG_DMA_CTL_READ 0x02 -#define FW_CFG_DMA_CTL_SKIP 0x04 -#define FW_CFG_DMA_CTL_SELECT 0x08 - -#define FW_CFG_DMA_SIGNATURE 0x51454d5520434647ULL /* "QEMU CFG" */ - -typedef struct FWCfgEntry { - uint32_t len; - uint8_t *data; - void *callback_opaque; - FWCfgReadCallback read_callback; -} FWCfgEntry; - -struct FWCfgState { - /*< private >*/ - SysBusDevice parent_obj; - /*< public >*/ - - FWCfgEntry entries[2][FW_CFG_MAX_ENTRY]; - int entry_order[FW_CFG_MAX_ENTRY]; - FWCfgFiles *files; - uint16_t cur_entry; - uint32_t cur_offset; - Notifier machine_ready; - - int fw_cfg_order_override; - - bool dma_enabled; - dma_addr_t dma_addr; - AddressSpace *dma_as; - MemoryRegion dma_iomem; -}; - -struct FWCfgIoState { - /*< private >*/ - FWCfgState parent_obj; - /*< public >*/ - - MemoryRegion comb_iomem; - uint32_t iobase, dma_iobase; -}; - -struct FWCfgMemState { - /*< private >*/ - FWCfgState parent_obj; - /*< public >*/ - - MemoryRegion ctl_iomem, data_iomem; - uint32_t data_width; - MemoryRegionOps wide_data_ops; -}; - -#define JPG_FILE 0 -#define BMP_FILE 1 - -static char *read_splashfile(char *filename, gsize *file_sizep, - int *file_typep) -{ - GError *err = NULL; - gboolean res; - gchar *content; - int file_type; - unsigned int filehead; - int bmp_bpp; - - res = g_file_get_contents(filename, &content, file_sizep, &err); - if (res == FALSE) { - error_report("failed to read splash file '%s'", filename); - g_error_free(err); - return NULL; - } - - /* check file size */ - if (*file_sizep < 30) { - goto error; - } - - /* check magic ID */ - filehead = ((content[0] & 0xff) + (content[1] << 8)) & 0xffff; - if (filehead == 0xd8ff) { - file_type = JPG_FILE; - } else if (filehead == 0x4d42) { - file_type = BMP_FILE; - } else { - goto error; - } - - /* check BMP bpp */ - if (file_type == BMP_FILE) { - bmp_bpp = (content[28] + (content[29] << 8)) & 0xffff; - if (bmp_bpp != 24) { - goto error; - } - } - - /* return values */ - *file_typep = file_type; - - return content; - -error: - error_report("splash file '%s' format not recognized; must be JPEG " - "or 24 bit BMP", filename); - g_free(content); - return NULL; -} - -static void fw_cfg_bootsplash(FWCfgState *s) -{ - int boot_splash_time = -1; - const char *boot_splash_filename = NULL; - char *p; - char *filename, *file_data; - gsize file_size; - int file_type; - const char *temp; - - /* get user configuration */ - QemuOptsList *plist = qemu_find_opts("boot-opts"); - QemuOpts *opts = QTAILQ_FIRST(&plist->head); - if (opts != NULL) { - temp = qemu_opt_get(opts, "splash"); - if (temp != NULL) { - boot_splash_filename = temp; - } - temp = qemu_opt_get(opts, "splash-time"); - if (temp != NULL) { - p = (char *)temp; - boot_splash_time = strtol(p, (char **)&p, 10); - } - } - - /* insert splash time if user configurated */ - if (boot_splash_time >= 0) { - /* validate the input */ - if (boot_splash_time > 0xffff) { - error_report("splash time is big than 65535, force it to 65535."); - boot_splash_time = 0xffff; - } - /* use little endian format */ - qemu_extra_params_fw[0] = (uint8_t)(boot_splash_time & 0xff); - qemu_extra_params_fw[1] = (uint8_t)((boot_splash_time >> 8) & 0xff); - fw_cfg_add_file(s, "etc/boot-menu-wait", qemu_extra_params_fw, 2); - } - - /* insert splash file if user configurated */ - if (boot_splash_filename != NULL) { - filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, boot_splash_filename); - if (filename == NULL) { - error_report("failed to find file '%s'.", boot_splash_filename); - return; - } - - /* loading file data */ - file_data = read_splashfile(filename, &file_size, &file_type); - if (file_data == NULL) { - g_free(filename); - return; - } - g_free(boot_splash_filedata); - boot_splash_filedata = (uint8_t *)file_data; - boot_splash_filedata_size = file_size; - - /* insert data */ - if (file_type == JPG_FILE) { - fw_cfg_add_file(s, "bootsplash.jpg", - boot_splash_filedata, boot_splash_filedata_size); - } else { - fw_cfg_add_file(s, "bootsplash.bmp", - boot_splash_filedata, boot_splash_filedata_size); - } - g_free(filename); - } -} - -static void fw_cfg_reboot(FWCfgState *s) -{ - int reboot_timeout = -1; - char *p; - const char *temp; - - /* get user configuration */ - QemuOptsList *plist = qemu_find_opts("boot-opts"); - QemuOpts *opts = QTAILQ_FIRST(&plist->head); - if (opts != NULL) { - temp = qemu_opt_get(opts, "reboot-timeout"); - if (temp != NULL) { - p = (char *)temp; - reboot_timeout = strtol(p, (char **)&p, 10); - } - } - /* validate the input */ - if (reboot_timeout > 0xffff) { - error_report("reboot timeout is larger than 65535, force it to 65535."); - reboot_timeout = 0xffff; - } - fw_cfg_add_file(s, "etc/boot-fail-wait", g_memdup(&reboot_timeout, 4), 4); -} - -static void fw_cfg_write(FWCfgState *s, uint8_t value) -{ - /* nothing, write support removed in QEMU v2.4+ */ -} - -static int fw_cfg_select(FWCfgState *s, uint16_t key) -{ - int arch, ret; - FWCfgEntry *e; - - s->cur_offset = 0; - if ((key & FW_CFG_ENTRY_MASK) >= FW_CFG_MAX_ENTRY) { - s->cur_entry = FW_CFG_INVALID; - ret = 0; - } else { - s->cur_entry = key; - ret = 1; - /* entry successfully selected, now run callback if present */ - arch = !!(key & FW_CFG_ARCH_LOCAL); - e = &s->entries[arch][key & FW_CFG_ENTRY_MASK]; - if (e->read_callback) { - e->read_callback(e->callback_opaque); - } - } - - trace_fw_cfg_select(s, key, ret); - return ret; -} - -static uint64_t fw_cfg_data_read(void *opaque, hwaddr addr, unsigned size) -{ - FWCfgState *s = opaque; - int arch = !!(s->cur_entry & FW_CFG_ARCH_LOCAL); - FWCfgEntry *e = (s->cur_entry == FW_CFG_INVALID) ? NULL : - &s->entries[arch][s->cur_entry & FW_CFG_ENTRY_MASK]; - uint64_t value = 0; - - assert(size > 0 && size <= sizeof(value)); - if (s->cur_entry != FW_CFG_INVALID && e->data && s->cur_offset < e->len) { - /* The least significant 'size' bytes of the return value are - * expected to contain a string preserving portion of the item - * data, padded with zeros on the right in case we run out early. - * In technical terms, we're composing the host-endian representation - * of the big endian interpretation of the fw_cfg string. - */ - do { - value = (value << 8) | e->data[s->cur_offset++]; - } while (--size && s->cur_offset < e->len); - /* If size is still not zero, we *did* run out early, so continue - * left-shifting, to add the appropriate number of padding zeros - * on the right. - */ - value <<= 8 * size; - } - - trace_fw_cfg_read(s, value); - return value; -} - -static void fw_cfg_data_mem_write(void *opaque, hwaddr addr, - uint64_t value, unsigned size) -{ - FWCfgState *s = opaque; - unsigned i = size; - - do { - fw_cfg_write(s, value >> (8 * --i)); - } while (i); -} - -static void fw_cfg_dma_transfer(FWCfgState *s) -{ - dma_addr_t len; - FWCfgDmaAccess dma; - int arch; - FWCfgEntry *e; - int read; - dma_addr_t dma_addr; - - /* Reset the address before the next access */ - dma_addr = s->dma_addr; - s->dma_addr = 0; - - if (dma_memory_read(s->dma_as, dma_addr, &dma, sizeof(dma))) { - stl_be_dma(s->dma_as, dma_addr + offsetof(FWCfgDmaAccess, control), - FW_CFG_DMA_CTL_ERROR); - return; - } - - dma.address = be64_to_cpu(dma.address); - dma.length = be32_to_cpu(dma.length); - dma.control = be32_to_cpu(dma.control); - - if (dma.control & FW_CFG_DMA_CTL_SELECT) { - fw_cfg_select(s, dma.control >> 16); - } - - arch = !!(s->cur_entry & FW_CFG_ARCH_LOCAL); - e = (s->cur_entry == FW_CFG_INVALID) ? NULL : - &s->entries[arch][s->cur_entry & FW_CFG_ENTRY_MASK]; - - if (dma.control & FW_CFG_DMA_CTL_READ) { - read = 1; - } else if (dma.control & FW_CFG_DMA_CTL_SKIP) { - read = 0; - } else { - dma.length = 0; - } - - dma.control = 0; - - while (dma.length > 0 && !(dma.control & FW_CFG_DMA_CTL_ERROR)) { - if (s->cur_entry == FW_CFG_INVALID || !e->data || - s->cur_offset >= e->len) { - len = dma.length; - - /* If the access is not a read access, it will be a skip access, - * tested before. - */ - if (read) { - if (dma_memory_set(s->dma_as, dma.address, 0, len)) { - dma.control |= FW_CFG_DMA_CTL_ERROR; - } - } - - } else { - if (dma.length <= (e->len - s->cur_offset)) { - len = dma.length; - } else { - len = (e->len - s->cur_offset); - } - - /* If the access is not a read access, it will be a skip access, - * tested before. - */ - if (read) { - if (dma_memory_write(s->dma_as, dma.address, - &e->data[s->cur_offset], len)) { - dma.control |= FW_CFG_DMA_CTL_ERROR; - } - } - - s->cur_offset += len; - } - - dma.address += len; - dma.length -= len; - - } - - stl_be_dma(s->dma_as, dma_addr + offsetof(FWCfgDmaAccess, control), - dma.control); - - trace_fw_cfg_read(s, 0); -} - -static uint64_t fw_cfg_dma_mem_read(void *opaque, hwaddr addr, - unsigned size) -{ - /* Return a signature value (and handle various read sizes) */ - return extract64(FW_CFG_DMA_SIGNATURE, (8 - addr - size) * 8, size * 8); -} - -static void fw_cfg_dma_mem_write(void *opaque, hwaddr addr, - uint64_t value, unsigned size) -{ - FWCfgState *s = opaque; - - if (size == 4) { - if (addr == 0) { - /* FWCfgDmaAccess high address */ - s->dma_addr = value << 32; - } else if (addr == 4) { - /* FWCfgDmaAccess low address */ - s->dma_addr |= value; - fw_cfg_dma_transfer(s); - } - } else if (size == 8 && addr == 0) { - s->dma_addr = value; - fw_cfg_dma_transfer(s); - } -} - -static bool fw_cfg_dma_mem_valid(void *opaque, hwaddr addr, - unsigned size, bool is_write) -{ - return !is_write || ((size == 4 && (addr == 0 || addr == 4)) || - (size == 8 && addr == 0)); -} - -static bool fw_cfg_data_mem_valid(void *opaque, hwaddr addr, - unsigned size, bool is_write) -{ - return addr == 0; -} - -static void fw_cfg_ctl_mem_write(void *opaque, hwaddr addr, - uint64_t value, unsigned size) -{ - fw_cfg_select(opaque, (uint16_t)value); -} - -static bool fw_cfg_ctl_mem_valid(void *opaque, hwaddr addr, - unsigned size, bool is_write) -{ - return is_write && size == 2; -} - -static void fw_cfg_comb_write(void *opaque, hwaddr addr, - uint64_t value, unsigned size) -{ - switch (size) { - case 1: - fw_cfg_write(opaque, (uint8_t)value); - break; - case 2: - fw_cfg_select(opaque, (uint16_t)value); - break; - } -} - -static bool fw_cfg_comb_valid(void *opaque, hwaddr addr, - unsigned size, bool is_write) -{ - return (size == 1) || (is_write && size == 2); -} - -static const MemoryRegionOps fw_cfg_ctl_mem_ops = { - .write = fw_cfg_ctl_mem_write, - .endianness = DEVICE_BIG_ENDIAN, - .valid.accepts = fw_cfg_ctl_mem_valid, -}; - -static const MemoryRegionOps fw_cfg_data_mem_ops = { - .read = fw_cfg_data_read, - .write = fw_cfg_data_mem_write, - .endianness = DEVICE_BIG_ENDIAN, - .valid = { - .min_access_size = 1, - .max_access_size = 1, - .accepts = fw_cfg_data_mem_valid, - }, -}; - -static const MemoryRegionOps fw_cfg_comb_mem_ops = { - .read = fw_cfg_data_read, - .write = fw_cfg_comb_write, - .endianness = DEVICE_LITTLE_ENDIAN, - .valid.accepts = fw_cfg_comb_valid, -}; - -static const MemoryRegionOps fw_cfg_dma_mem_ops = { - .read = fw_cfg_dma_mem_read, - .write = fw_cfg_dma_mem_write, - .endianness = DEVICE_BIG_ENDIAN, - .valid.accepts = fw_cfg_dma_mem_valid, - .valid.max_access_size = 8, - .impl.max_access_size = 8, -}; - -static void fw_cfg_reset(DeviceState *d) -{ - FWCfgState *s = FW_CFG(d); - - /* we never register a read callback for FW_CFG_SIGNATURE */ - fw_cfg_select(s, FW_CFG_SIGNATURE); -} - -/* Save restore 32 bit int as uint16_t - This is a Big hack, but it is how the old state did it. - Or we broke compatibility in the state, or we can't use struct tm - */ - -static int get_uint32_as_uint16(QEMUFile *f, void *pv, size_t size) -{ - uint32_t *v = pv; - *v = qemu_get_be16(f); - return 0; -} - -static void put_unused(QEMUFile *f, void *pv, size_t size) -{ - fprintf(stderr, "uint32_as_uint16 is only used for backward compatibility.\n"); - fprintf(stderr, "This functions shouldn't be called.\n"); -} - -static const VMStateInfo vmstate_hack_uint32_as_uint16 = { - .name = "int32_as_uint16", - .get = get_uint32_as_uint16, - .put = put_unused, -}; - -#define VMSTATE_UINT16_HACK(_f, _s, _t) \ - VMSTATE_SINGLE_TEST(_f, _s, _t, 0, vmstate_hack_uint32_as_uint16, uint32_t) - - -static bool is_version_1(void *opaque, int version_id) -{ - return version_id == 1; -} - -static bool fw_cfg_dma_enabled(void *opaque) -{ - FWCfgState *s = opaque; - - return s->dma_enabled; -} - -static const VMStateDescription vmstate_fw_cfg_dma = { - .name = "fw_cfg/dma", - .needed = fw_cfg_dma_enabled, - .fields = (VMStateField[]) { - VMSTATE_UINT64(dma_addr, FWCfgState), - VMSTATE_END_OF_LIST() - }, -}; - -static const VMStateDescription vmstate_fw_cfg = { - .name = "fw_cfg", - .version_id = 2, - .minimum_version_id = 1, - .fields = (VMStateField[]) { - VMSTATE_UINT16(cur_entry, FWCfgState), - VMSTATE_UINT16_HACK(cur_offset, FWCfgState, is_version_1), - VMSTATE_UINT32_V(cur_offset, FWCfgState, 2), - VMSTATE_END_OF_LIST() - }, - .subsections = (const VMStateDescription*[]) { - &vmstate_fw_cfg_dma, - NULL, - } -}; - -static void fw_cfg_add_bytes_read_callback(FWCfgState *s, uint16_t key, - FWCfgReadCallback callback, - void *callback_opaque, - void *data, size_t len) -{ - int arch = !!(key & FW_CFG_ARCH_LOCAL); - - key &= FW_CFG_ENTRY_MASK; - - assert(key < FW_CFG_MAX_ENTRY && len < UINT32_MAX); - assert(s->entries[arch][key].data == NULL); /* avoid key conflict */ - - s->entries[arch][key].data = data; - s->entries[arch][key].len = (uint32_t)len; - s->entries[arch][key].read_callback = callback; - s->entries[arch][key].callback_opaque = callback_opaque; -} - -static void *fw_cfg_modify_bytes_read(FWCfgState *s, uint16_t key, - void *data, size_t len) -{ - void *ptr; - int arch = !!(key & FW_CFG_ARCH_LOCAL); - - key &= FW_CFG_ENTRY_MASK; - - assert(key < FW_CFG_MAX_ENTRY && len < UINT32_MAX); - - /* return the old data to the function caller, avoid memory leak */ - ptr = s->entries[arch][key].data; - s->entries[arch][key].data = data; - s->entries[arch][key].len = len; - s->entries[arch][key].callback_opaque = NULL; - - return ptr; -} - -void fw_cfg_add_bytes(FWCfgState *s, uint16_t key, void *data, size_t len) -{ - fw_cfg_add_bytes_read_callback(s, key, NULL, NULL, data, len); -} - -void fw_cfg_add_string(FWCfgState *s, uint16_t key, const char *value) -{ - size_t sz = strlen(value) + 1; - - fw_cfg_add_bytes(s, key, g_memdup(value, sz), sz); -} - -void fw_cfg_add_i16(FWCfgState *s, uint16_t key, uint16_t value) -{ - uint16_t *copy; - - copy = g_malloc(sizeof(value)); - *copy = cpu_to_le16(value); - fw_cfg_add_bytes(s, key, copy, sizeof(value)); -} - -void fw_cfg_modify_i16(FWCfgState *s, uint16_t key, uint16_t value) -{ - uint16_t *copy, *old; - - copy = g_malloc(sizeof(value)); - *copy = cpu_to_le16(value); - old = fw_cfg_modify_bytes_read(s, key, copy, sizeof(value)); - g_free(old); -} - -void fw_cfg_add_i32(FWCfgState *s, uint16_t key, uint32_t value) -{ - uint32_t *copy; - - copy = g_malloc(sizeof(value)); - *copy = cpu_to_le32(value); - fw_cfg_add_bytes(s, key, copy, sizeof(value)); -} - -void fw_cfg_add_i64(FWCfgState *s, uint16_t key, uint64_t value) -{ - uint64_t *copy; - - copy = g_malloc(sizeof(value)); - *copy = cpu_to_le64(value); - fw_cfg_add_bytes(s, key, copy, sizeof(value)); -} - -void fw_cfg_set_order_override(FWCfgState *s, int order) -{ - assert(s->fw_cfg_order_override == 0); - s->fw_cfg_order_override = order; -} - -void fw_cfg_reset_order_override(FWCfgState *s) -{ - assert(s->fw_cfg_order_override != 0); - s->fw_cfg_order_override = 0; -} - -/* - * This is the legacy order list. For legacy systems, files are in - * the fw_cfg in the order defined below, by the "order" value. Note - * that some entries (VGA ROMs, NIC option ROMS, etc.) go into a - * specific area, but there may be more than one and they occur in the - * order that the user specifies them on the command line. Those are - * handled in a special manner, using the order override above. - * - * For non-legacy, the files are sorted by filename to avoid this kind - * of complexity in the future. - * - * This is only for x86, other arches don't implement versioning so - * they won't set legacy mode. - */ -static struct { - const char *name; - int order; -} fw_cfg_order[] = { - { "etc/boot-menu-wait", 10 }, - { "bootsplash.jpg", 11 }, - { "bootsplash.bmp", 12 }, - { "etc/boot-fail-wait", 15 }, - { "etc/smbios/smbios-tables", 20 }, - { "etc/smbios/smbios-anchor", 30 }, - { "etc/e820", 40 }, - { "etc/reserved-memory-end", 50 }, - { "genroms/kvmvapic.bin", 55 }, - { "genroms/linuxboot.bin", 60 }, - { }, /* VGA ROMs from pc_vga_init come here, 70. */ - { }, /* NIC option ROMs from pc_nic_init come here, 80. */ - { "etc/system-states", 90 }, - { }, /* User ROMs come here, 100. */ - { }, /* Device FW comes here, 110. */ - { "etc/extra-pci-roots", 120 }, - { "etc/acpi/tables", 130 }, - { "etc/table-loader", 140 }, - { "etc/tpm/log", 150 }, - { "etc/acpi/rsdp", 160 }, - { "bootorder", 170 }, - -#define FW_CFG_ORDER_OVERRIDE_LAST 200 -}; - -static int get_fw_cfg_order(FWCfgState *s, const char *name) -{ - int i; - - if (s->fw_cfg_order_override > 0) - return s->fw_cfg_order_override; - - for (i = 0; i < ARRAY_SIZE(fw_cfg_order); i++) { - if (fw_cfg_order[i].name == NULL) - continue; - if (strcmp(name, fw_cfg_order[i].name) == 0) - return fw_cfg_order[i].order; - } - /* Stick unknown stuff at the end. */ - error_report("warning: Unknown firmware file in legacy mode: %s\n", name); - return FW_CFG_ORDER_OVERRIDE_LAST; -} - -void fw_cfg_add_file_callback(FWCfgState *s, const char *filename, - FWCfgReadCallback callback, void *callback_opaque, - void *data, size_t len) -{ - int i, index, count; - size_t dsize; - MachineClass *mc = MACHINE_GET_CLASS(qdev_get_machine()); - int order = 0; - - if (!s->files) { - dsize = sizeof(uint32_t) + sizeof(FWCfgFile) * FW_CFG_FILE_SLOTS; - s->files = g_malloc0(dsize); - fw_cfg_add_bytes(s, FW_CFG_FILE_DIR, s->files, dsize); - } - - count = be32_to_cpu(s->files->count); - assert(count < FW_CFG_FILE_SLOTS); - - /* Find the insertion point. */ - if (mc->legacy_fw_cfg_order) { - /* - * Sort by order. For files with the same order, we keep them - * in the sequence in which they were added. - */ - order = get_fw_cfg_order(s, filename); - for (index = count; - index > 0 && order < s->entry_order[index - 1]; - index--); - } else { - /* Sort by file name. */ - for (index = count; - index > 0 && strcmp(filename, s->files->f[index - 1].name) < 0; - index--); - } - - /* - * Move all the entries from the index point and after down one - * to create a slot for the new entry. Because calculations are - * being done with the index, make it so that "i" is the current - * index and "i - 1" is the one being copied from, thus the - * unusual start and end in the for statement. - */ - for (i = count + 1; i > index; i--) { - s->files->f[i] = s->files->f[i - 1]; - s->files->f[i].select = cpu_to_be16(FW_CFG_FILE_FIRST + i); - s->entries[0][FW_CFG_FILE_FIRST + i] = - s->entries[0][FW_CFG_FILE_FIRST + i - 1]; - s->entry_order[i] = s->entry_order[i - 1]; - } - - memset(&s->files->f[index], 0, sizeof(FWCfgFile)); - memset(&s->entries[0][FW_CFG_FILE_FIRST + index], 0, sizeof(FWCfgEntry)); - - pstrcpy(s->files->f[index].name, sizeof(s->files->f[index].name), filename); - for (i = 0; i <= count; i++) { - if (i != index && - strcmp(s->files->f[index].name, s->files->f[i].name) == 0) { - error_report("duplicate fw_cfg file name: %s", - s->files->f[index].name); - exit(1); - } - } - - fw_cfg_add_bytes_read_callback(s, FW_CFG_FILE_FIRST + index, - callback, callback_opaque, data, len); - - s->files->f[index].size = cpu_to_be32(len); - s->files->f[index].select = cpu_to_be16(FW_CFG_FILE_FIRST + index); - s->entry_order[index] = order; - trace_fw_cfg_add_file(s, index, s->files->f[index].name, len); - - s->files->count = cpu_to_be32(count+1); -} - -void fw_cfg_add_file(FWCfgState *s, const char *filename, - void *data, size_t len) -{ - fw_cfg_add_file_callback(s, filename, NULL, NULL, data, len); -} - -void *fw_cfg_modify_file(FWCfgState *s, const char *filename, - void *data, size_t len) -{ - int i, index; - void *ptr = NULL; - - assert(s->files); - - index = be32_to_cpu(s->files->count); - assert(index < FW_CFG_FILE_SLOTS); - - for (i = 0; i < index; i++) { - if (strcmp(filename, s->files->f[i].name) == 0) { - ptr = fw_cfg_modify_bytes_read(s, FW_CFG_FILE_FIRST + i, - data, len); - s->files->f[i].size = cpu_to_be32(len); - return ptr; - } - } - /* add new one */ - fw_cfg_add_file_callback(s, filename, NULL, NULL, data, len); - return NULL; -} - -static void fw_cfg_machine_reset(void *opaque) -{ - void *ptr; - size_t len; - FWCfgState *s = opaque; - char *bootindex = get_boot_devices_list(&len, false); - - ptr = fw_cfg_modify_file(s, "bootorder", (uint8_t *)bootindex, len); - g_free(ptr); -} - -static void fw_cfg_machine_ready(struct Notifier *n, void *data) -{ - FWCfgState *s = container_of(n, FWCfgState, machine_ready); - qemu_register_reset(fw_cfg_machine_reset, s); -} - - - -static void fw_cfg_init1(DeviceState *dev) -{ - FWCfgState *s = FW_CFG(dev); - - assert(!object_resolve_path(FW_CFG_PATH, NULL)); - - object_property_add_child(qdev_get_machine(), FW_CFG_NAME, OBJECT(s), NULL); - - qdev_init_nofail(dev); - - fw_cfg_add_bytes(s, FW_CFG_SIGNATURE, (char *)"QEMU", 4); - fw_cfg_add_bytes(s, FW_CFG_UUID, qemu_uuid, 16); - fw_cfg_add_i16(s, FW_CFG_NOGRAPHIC, (uint16_t)(display_type == DT_NOGRAPHIC)); - fw_cfg_add_i16(s, FW_CFG_NB_CPUS, (uint16_t)smp_cpus); - fw_cfg_add_i16(s, FW_CFG_BOOT_MENU, (uint16_t)boot_menu); - fw_cfg_bootsplash(s); - fw_cfg_reboot(s); - - s->machine_ready.notify = fw_cfg_machine_ready; - qemu_add_machine_init_done_notifier(&s->machine_ready); -} - -FWCfgState *fw_cfg_init_io_dma(uint32_t iobase, uint32_t dma_iobase, - AddressSpace *dma_as) -{ - DeviceState *dev; - FWCfgState *s; - uint32_t version = FW_CFG_VERSION; - bool dma_requested = dma_iobase && dma_as; - - dev = qdev_create(NULL, TYPE_FW_CFG_IO); - qdev_prop_set_uint32(dev, "iobase", iobase); - qdev_prop_set_uint32(dev, "dma_iobase", dma_iobase); - if (!dma_requested) { - qdev_prop_set_bit(dev, "dma_enabled", false); - } - - fw_cfg_init1(dev); - s = FW_CFG(dev); - - if (s->dma_enabled) { - /* 64 bits for the address field */ - s->dma_as = dma_as; - s->dma_addr = 0; - - version |= FW_CFG_VERSION_DMA; - } - - fw_cfg_add_i32(s, FW_CFG_ID, version); - - return s; -} - -FWCfgState *fw_cfg_init_io(uint32_t iobase) -{ - return fw_cfg_init_io_dma(iobase, 0, NULL); -} - -FWCfgState *fw_cfg_init_mem_wide(hwaddr ctl_addr, - hwaddr data_addr, uint32_t data_width, - hwaddr dma_addr, AddressSpace *dma_as) -{ - DeviceState *dev; - SysBusDevice *sbd; - FWCfgState *s; - uint32_t version = FW_CFG_VERSION; - bool dma_requested = dma_addr && dma_as; - - dev = qdev_create(NULL, TYPE_FW_CFG_MEM); - qdev_prop_set_uint32(dev, "data_width", data_width); - if (!dma_requested) { - qdev_prop_set_bit(dev, "dma_enabled", false); - } - - fw_cfg_init1(dev); - - sbd = SYS_BUS_DEVICE(dev); - sysbus_mmio_map(sbd, 0, ctl_addr); - sysbus_mmio_map(sbd, 1, data_addr); - - s = FW_CFG(dev); - - if (s->dma_enabled) { - s->dma_as = dma_as; - s->dma_addr = 0; - sysbus_mmio_map(sbd, 2, dma_addr); - version |= FW_CFG_VERSION_DMA; - } - - fw_cfg_add_i32(s, FW_CFG_ID, version); - - return s; -} - -FWCfgState *fw_cfg_init_mem(hwaddr ctl_addr, hwaddr data_addr) -{ - return fw_cfg_init_mem_wide(ctl_addr, data_addr, - fw_cfg_data_mem_ops.valid.max_access_size, - 0, NULL); -} - - -FWCfgState *fw_cfg_find(void) -{ - return FW_CFG(object_resolve_path(FW_CFG_PATH, NULL)); -} - -static void fw_cfg_class_init(ObjectClass *klass, void *data) -{ - DeviceClass *dc = DEVICE_CLASS(klass); - - dc->reset = fw_cfg_reset; - dc->vmsd = &vmstate_fw_cfg; -} - -static const TypeInfo fw_cfg_info = { - .name = TYPE_FW_CFG, - .parent = TYPE_SYS_BUS_DEVICE, - .instance_size = sizeof(FWCfgState), - .class_init = fw_cfg_class_init, -}; - - -static Property fw_cfg_io_properties[] = { - DEFINE_PROP_UINT32("iobase", FWCfgIoState, iobase, -1), - DEFINE_PROP_UINT32("dma_iobase", FWCfgIoState, dma_iobase, -1), - DEFINE_PROP_BOOL("dma_enabled", FWCfgIoState, parent_obj.dma_enabled, - true), - DEFINE_PROP_END_OF_LIST(), -}; - -static void fw_cfg_io_realize(DeviceState *dev, Error **errp) -{ - FWCfgIoState *s = FW_CFG_IO(dev); - SysBusDevice *sbd = SYS_BUS_DEVICE(dev); - - /* when using port i/o, the 8-bit data register ALWAYS overlaps - * with half of the 16-bit control register. Hence, the total size - * of the i/o region used is FW_CFG_CTL_SIZE */ - memory_region_init_io(&s->comb_iomem, OBJECT(s), &fw_cfg_comb_mem_ops, - FW_CFG(s), "fwcfg", FW_CFG_CTL_SIZE); - sysbus_add_io(sbd, s->iobase, &s->comb_iomem); - - if (FW_CFG(s)->dma_enabled) { - memory_region_init_io(&FW_CFG(s)->dma_iomem, OBJECT(s), - &fw_cfg_dma_mem_ops, FW_CFG(s), "fwcfg.dma", - sizeof(dma_addr_t)); - sysbus_add_io(sbd, s->dma_iobase, &FW_CFG(s)->dma_iomem); - } -} - -static void fw_cfg_io_class_init(ObjectClass *klass, void *data) -{ - DeviceClass *dc = DEVICE_CLASS(klass); - - dc->realize = fw_cfg_io_realize; - dc->props = fw_cfg_io_properties; -} - -static const TypeInfo fw_cfg_io_info = { - .name = TYPE_FW_CFG_IO, - .parent = TYPE_FW_CFG, - .instance_size = sizeof(FWCfgIoState), - .class_init = fw_cfg_io_class_init, -}; - - -static Property fw_cfg_mem_properties[] = { - DEFINE_PROP_UINT32("data_width", FWCfgMemState, data_width, -1), - DEFINE_PROP_BOOL("dma_enabled", FWCfgMemState, parent_obj.dma_enabled, - true), - DEFINE_PROP_END_OF_LIST(), -}; - -static void fw_cfg_mem_realize(DeviceState *dev, Error **errp) -{ - FWCfgMemState *s = FW_CFG_MEM(dev); - SysBusDevice *sbd = SYS_BUS_DEVICE(dev); - const MemoryRegionOps *data_ops = &fw_cfg_data_mem_ops; - - memory_region_init_io(&s->ctl_iomem, OBJECT(s), &fw_cfg_ctl_mem_ops, - FW_CFG(s), "fwcfg.ctl", FW_CFG_CTL_SIZE); - sysbus_init_mmio(sbd, &s->ctl_iomem); - - if (s->data_width > data_ops->valid.max_access_size) { - /* memberwise copy because the "old_mmio" member is const */ - s->wide_data_ops.read = data_ops->read; - s->wide_data_ops.write = data_ops->write; - s->wide_data_ops.endianness = data_ops->endianness; - s->wide_data_ops.valid = data_ops->valid; - s->wide_data_ops.impl = data_ops->impl; - - s->wide_data_ops.valid.max_access_size = s->data_width; - s->wide_data_ops.impl.max_access_size = s->data_width; - data_ops = &s->wide_data_ops; - } - memory_region_init_io(&s->data_iomem, OBJECT(s), data_ops, FW_CFG(s), - "fwcfg.data", data_ops->valid.max_access_size); - sysbus_init_mmio(sbd, &s->data_iomem); - - if (FW_CFG(s)->dma_enabled) { - memory_region_init_io(&FW_CFG(s)->dma_iomem, OBJECT(s), - &fw_cfg_dma_mem_ops, FW_CFG(s), "fwcfg.dma", - sizeof(dma_addr_t)); - sysbus_init_mmio(sbd, &FW_CFG(s)->dma_iomem); - } -} - -static void fw_cfg_mem_class_init(ObjectClass *klass, void *data) -{ - DeviceClass *dc = DEVICE_CLASS(klass); - - dc->realize = fw_cfg_mem_realize; - dc->props = fw_cfg_mem_properties; -} - -static const TypeInfo fw_cfg_mem_info = { - .name = TYPE_FW_CFG_MEM, - .parent = TYPE_FW_CFG, - .instance_size = sizeof(FWCfgMemState), - .class_init = fw_cfg_mem_class_init, -}; - - -static void fw_cfg_register_types(void) -{ - type_register_static(&fw_cfg_info); - type_register_static(&fw_cfg_io_info); - type_register_static(&fw_cfg_mem_info); -} - -type_init(fw_cfg_register_types) diff --git a/qemu/hw/nvram/mac_nvram.c b/qemu/hw/nvram/mac_nvram.c deleted file mode 100644 index 24f61212b..000000000 --- a/qemu/hw/nvram/mac_nvram.c +++ /dev/null @@ -1,218 +0,0 @@ -/* - * PowerMac NVRAM emulation - * - * Copyright (c) 2005-2007 Fabrice Bellard - * Copyright (c) 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 "qemu/osdep.h" -#include "hw/hw.h" -#include "hw/nvram/openbios_firmware_abi.h" -#include "sysemu/sysemu.h" -#include "hw/ppc/mac.h" -#include "qemu/cutils.h" -#include <zlib.h> - -/* debug NVR */ -//#define DEBUG_NVR - -#ifdef DEBUG_NVR -#define NVR_DPRINTF(fmt, ...) \ - do { printf("NVR: " fmt , ## __VA_ARGS__); } while (0) -#else -#define NVR_DPRINTF(fmt, ...) -#endif - -#define DEF_SYSTEM_SIZE 0xc10 - -/* macio style NVRAM device */ -static void macio_nvram_writeb(void *opaque, hwaddr addr, - uint64_t value, unsigned size) -{ - MacIONVRAMState *s = opaque; - - addr = (addr >> s->it_shift) & (s->size - 1); - s->data[addr] = value; - NVR_DPRINTF("writeb addr %04" HWADDR_PRIx " val %" PRIx64 "\n", - addr, value); -} - -static uint64_t macio_nvram_readb(void *opaque, hwaddr addr, - unsigned size) -{ - MacIONVRAMState *s = opaque; - uint32_t value; - - addr = (addr >> s->it_shift) & (s->size - 1); - value = s->data[addr]; - NVR_DPRINTF("readb addr %04" HWADDR_PRIx " val %" PRIx32 "\n", - addr, value); - - return value; -} - -static const MemoryRegionOps macio_nvram_ops = { - .read = macio_nvram_readb, - .write = macio_nvram_writeb, - .valid.min_access_size = 1, - .valid.max_access_size = 4, - .impl.min_access_size = 1, - .impl.max_access_size = 1, - .endianness = DEVICE_BIG_ENDIAN, -}; - -static const VMStateDescription vmstate_macio_nvram = { - .name = "macio_nvram", - .version_id = 1, - .minimum_version_id = 1, - .fields = (VMStateField[]) { - VMSTATE_VBUFFER_UINT32(data, MacIONVRAMState, 0, NULL, 0, size), - VMSTATE_END_OF_LIST() - } -}; - - -static void macio_nvram_reset(DeviceState *dev) -{ -} - -static void macio_nvram_realizefn(DeviceState *dev, Error **errp) -{ - SysBusDevice *d = SYS_BUS_DEVICE(dev); - MacIONVRAMState *s = MACIO_NVRAM(dev); - - s->data = g_malloc0(s->size); - - memory_region_init_io(&s->mem, OBJECT(s), &macio_nvram_ops, s, - "macio-nvram", s->size << s->it_shift); - sysbus_init_mmio(d, &s->mem); -} - -static void macio_nvram_unrealizefn(DeviceState *dev, Error **errp) -{ - MacIONVRAMState *s = MACIO_NVRAM(dev); - - g_free(s->data); -} - -static Property macio_nvram_properties[] = { - DEFINE_PROP_UINT32("size", MacIONVRAMState, size, 0), - DEFINE_PROP_UINT32("it_shift", MacIONVRAMState, it_shift, 0), - DEFINE_PROP_END_OF_LIST() -}; - -static void macio_nvram_class_init(ObjectClass *oc, void *data) -{ - DeviceClass *dc = DEVICE_CLASS(oc); - - dc->realize = macio_nvram_realizefn; - dc->unrealize = macio_nvram_unrealizefn; - dc->reset = macio_nvram_reset; - dc->vmsd = &vmstate_macio_nvram; - dc->props = macio_nvram_properties; - set_bit(DEVICE_CATEGORY_MISC, dc->categories); -} - -static const TypeInfo macio_nvram_type_info = { - .name = TYPE_MACIO_NVRAM, - .parent = TYPE_SYS_BUS_DEVICE, - .instance_size = sizeof(MacIONVRAMState), - .class_init = macio_nvram_class_init, -}; - -static void macio_nvram_register_types(void) -{ - type_register_static(&macio_nvram_type_info); -} - -/* Set up a system OpenBIOS NVRAM partition */ -static void pmac_format_nvram_partition_of(MacIONVRAMState *nvr, int off, - int len) -{ - unsigned int i; - uint32_t start = off, end; - struct OpenBIOS_nvpart_v1 *part_header; - - // OpenBIOS nvram variables - // Variable partition - part_header = (struct OpenBIOS_nvpart_v1 *)&nvr->data[start]; - part_header->signature = OPENBIOS_PART_SYSTEM; - pstrcpy(part_header->name, sizeof(part_header->name), "system"); - - end = start + sizeof(struct OpenBIOS_nvpart_v1); - for (i = 0; i < nb_prom_envs; i++) - end = OpenBIOS_set_var(nvr->data, end, prom_envs[i]); - - // End marker - nvr->data[end++] = '\0'; - - end = start + ((end - start + 15) & ~15); - /* XXX: OpenBIOS is not able to grow up a partition. Leave some space for - new variables. */ - if (end < DEF_SYSTEM_SIZE) - end = DEF_SYSTEM_SIZE; - OpenBIOS_finish_partition(part_header, end - start); - - // free partition - start = end; - part_header = (struct OpenBIOS_nvpart_v1 *)&nvr->data[start]; - part_header->signature = OPENBIOS_PART_FREE; - pstrcpy(part_header->name, sizeof(part_header->name), "free"); - - end = len; - OpenBIOS_finish_partition(part_header, end - start); -} - -#define OSX_NVRAM_SIGNATURE (0x5A) - -/* Set up a Mac OS X NVRAM partition */ -static void pmac_format_nvram_partition_osx(MacIONVRAMState *nvr, int off, - int len) -{ - uint32_t start = off; - struct OpenBIOS_nvpart_v1 *part_header; - unsigned char *data = &nvr->data[start]; - - /* empty partition */ - part_header = (struct OpenBIOS_nvpart_v1 *)data; - part_header->signature = OSX_NVRAM_SIGNATURE; - pstrcpy(part_header->name, sizeof(part_header->name), "wwwwwwwwwwww"); - - OpenBIOS_finish_partition(part_header, len); - - /* Generation */ - stl_be_p(&data[20], 2); - - /* Adler32 checksum */ - stl_be_p(&data[16], adler32(0, &data[20], len - 20)); -} - -/* Set up NVRAM with OF and OSX partitions */ -void pmac_format_nvram_partition(MacIONVRAMState *nvr, int len) -{ - /* - * Mac OS X expects side "B" of the flash at the second half of NVRAM, - * so we use half of the chip for OF and the other half for a free OSX - * partition. - */ - pmac_format_nvram_partition_of(nvr, 0, len / 2); - pmac_format_nvram_partition_osx(nvr, len / 2, len / 2); -} -type_init(macio_nvram_register_types) diff --git a/qemu/hw/nvram/spapr_nvram.c b/qemu/hw/nvram/spapr_nvram.c deleted file mode 100644 index 802636ef3..000000000 --- a/qemu/hw/nvram/spapr_nvram.c +++ /dev/null @@ -1,252 +0,0 @@ -/* - * QEMU sPAPR NVRAM emulation - * - * Copyright (C) 2012 David Gibson, IBM Corporation. - * - * 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 "qemu/osdep.h" -#include "qapi/error.h" -#include "qemu-common.h" -#include "cpu.h" -#include <libfdt.h> - -#include "sysemu/block-backend.h" -#include "sysemu/device_tree.h" -#include "hw/sysbus.h" -#include "hw/ppc/spapr.h" -#include "hw/ppc/spapr_vio.h" - -typedef struct sPAPRNVRAM { - VIOsPAPRDevice sdev; - uint32_t size; - uint8_t *buf; - BlockBackend *blk; -} sPAPRNVRAM; - -#define TYPE_VIO_SPAPR_NVRAM "spapr-nvram" -#define VIO_SPAPR_NVRAM(obj) \ - OBJECT_CHECK(sPAPRNVRAM, (obj), TYPE_VIO_SPAPR_NVRAM) - -#define MIN_NVRAM_SIZE 8192 -#define DEFAULT_NVRAM_SIZE 65536 -#define MAX_NVRAM_SIZE 1048576 - -static void rtas_nvram_fetch(PowerPCCPU *cpu, sPAPRMachineState *spapr, - uint32_t token, uint32_t nargs, - target_ulong args, - uint32_t nret, target_ulong rets) -{ - sPAPRNVRAM *nvram = spapr->nvram; - hwaddr offset, buffer, len; - void *membuf; - - if ((nargs != 3) || (nret != 2)) { - rtas_st(rets, 0, RTAS_OUT_PARAM_ERROR); - return; - } - - if (!nvram) { - rtas_st(rets, 0, RTAS_OUT_HW_ERROR); - rtas_st(rets, 1, 0); - return; - } - - offset = rtas_ld(args, 0); - buffer = rtas_ld(args, 1); - len = rtas_ld(args, 2); - - if (((offset + len) < offset) - || ((offset + len) > nvram->size)) { - rtas_st(rets, 0, RTAS_OUT_PARAM_ERROR); - rtas_st(rets, 1, 0); - return; - } - - assert(nvram->buf); - - membuf = cpu_physical_memory_map(buffer, &len, 1); - memcpy(membuf, nvram->buf + offset, len); - cpu_physical_memory_unmap(membuf, len, 1, len); - - rtas_st(rets, 0, RTAS_OUT_SUCCESS); - rtas_st(rets, 1, len); -} - -static void rtas_nvram_store(PowerPCCPU *cpu, sPAPRMachineState *spapr, - uint32_t token, uint32_t nargs, - target_ulong args, - uint32_t nret, target_ulong rets) -{ - sPAPRNVRAM *nvram = spapr->nvram; - hwaddr offset, buffer, len; - int alen; - void *membuf; - - if ((nargs != 3) || (nret != 2)) { - rtas_st(rets, 0, RTAS_OUT_PARAM_ERROR); - return; - } - - if (!nvram) { - rtas_st(rets, 0, RTAS_OUT_HW_ERROR); - return; - } - - offset = rtas_ld(args, 0); - buffer = rtas_ld(args, 1); - len = rtas_ld(args, 2); - - if (((offset + len) < offset) - || ((offset + len) > nvram->size)) { - rtas_st(rets, 0, RTAS_OUT_PARAM_ERROR); - return; - } - - membuf = cpu_physical_memory_map(buffer, &len, 0); - - alen = len; - if (nvram->blk) { - alen = blk_pwrite(nvram->blk, offset, membuf, len); - } - - assert(nvram->buf); - memcpy(nvram->buf + offset, membuf, len); - - cpu_physical_memory_unmap(membuf, len, 0, len); - - rtas_st(rets, 0, (alen < len) ? RTAS_OUT_HW_ERROR : RTAS_OUT_SUCCESS); - rtas_st(rets, 1, (alen < 0) ? 0 : alen); -} - -static void spapr_nvram_realize(VIOsPAPRDevice *dev, Error **errp) -{ - sPAPRNVRAM *nvram = VIO_SPAPR_NVRAM(dev); - - if (nvram->blk) { - nvram->size = blk_getlength(nvram->blk); - } else { - nvram->size = DEFAULT_NVRAM_SIZE; - } - - nvram->buf = g_malloc0(nvram->size); - - if ((nvram->size < MIN_NVRAM_SIZE) || (nvram->size > MAX_NVRAM_SIZE)) { - error_setg(errp, "spapr-nvram must be between %d and %d bytes in size", - MIN_NVRAM_SIZE, MAX_NVRAM_SIZE); - return; - } - - if (nvram->blk) { - int alen = blk_pread(nvram->blk, 0, nvram->buf, nvram->size); - - if (alen != nvram->size) { - error_setg(errp, "can't read spapr-nvram contents"); - return; - } - } - - spapr_rtas_register(RTAS_NVRAM_FETCH, "nvram-fetch", rtas_nvram_fetch); - spapr_rtas_register(RTAS_NVRAM_STORE, "nvram-store", rtas_nvram_store); -} - -static int spapr_nvram_devnode(VIOsPAPRDevice *dev, void *fdt, int node_off) -{ - sPAPRNVRAM *nvram = VIO_SPAPR_NVRAM(dev); - - return fdt_setprop_cell(fdt, node_off, "#bytes", nvram->size); -} - -static int spapr_nvram_pre_load(void *opaque) -{ - sPAPRNVRAM *nvram = VIO_SPAPR_NVRAM(opaque); - - g_free(nvram->buf); - nvram->buf = NULL; - nvram->size = 0; - - return 0; -} - -static int spapr_nvram_post_load(void *opaque, int version_id) -{ - sPAPRNVRAM *nvram = VIO_SPAPR_NVRAM(opaque); - - if (nvram->blk) { - int alen = blk_pwrite(nvram->blk, 0, nvram->buf, nvram->size); - - if (alen < 0) { - return alen; - } - if (alen != nvram->size) { - return -1; - } - } - - return 0; -} - -static const VMStateDescription vmstate_spapr_nvram = { - .name = "spapr_nvram", - .version_id = 1, - .minimum_version_id = 1, - .pre_load = spapr_nvram_pre_load, - .post_load = spapr_nvram_post_load, - .fields = (VMStateField[]) { - VMSTATE_UINT32(size, sPAPRNVRAM), - VMSTATE_VBUFFER_ALLOC_UINT32(buf, sPAPRNVRAM, 1, NULL, 0, size), - VMSTATE_END_OF_LIST() - }, -}; - -static Property spapr_nvram_properties[] = { - DEFINE_SPAPR_PROPERTIES(sPAPRNVRAM, sdev), - DEFINE_PROP_DRIVE("drive", sPAPRNVRAM, blk), - DEFINE_PROP_END_OF_LIST(), -}; - -static void spapr_nvram_class_init(ObjectClass *klass, void *data) -{ - DeviceClass *dc = DEVICE_CLASS(klass); - VIOsPAPRDeviceClass *k = VIO_SPAPR_DEVICE_CLASS(klass); - - k->realize = spapr_nvram_realize; - k->devnode = spapr_nvram_devnode; - k->dt_name = "nvram"; - k->dt_type = "nvram"; - k->dt_compatible = "qemu,spapr-nvram"; - set_bit(DEVICE_CATEGORY_MISC, dc->categories); - dc->props = spapr_nvram_properties; - dc->vmsd = &vmstate_spapr_nvram; -} - -static const TypeInfo spapr_nvram_type_info = { - .name = TYPE_VIO_SPAPR_NVRAM, - .parent = TYPE_VIO_SPAPR_DEVICE, - .instance_size = sizeof(sPAPRNVRAM), - .class_init = spapr_nvram_class_init, -}; - -static void spapr_nvram_register_types(void) -{ - type_register_static(&spapr_nvram_type_info); -} - -type_init(spapr_nvram_register_types) |