diff options
Diffstat (limited to 'hw/mac_nvram.c')
| -rw-r--r-- | hw/mac_nvram.c | 196 |
1 files changed, 0 insertions, 196 deletions
diff --git a/hw/mac_nvram.c b/hw/mac_nvram.c deleted file mode 100644 index ed32bde5ab..0000000000 --- a/hw/mac_nvram.c +++ /dev/null @@ -1,196 +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 "hw/hw.h" -#include "hw/firmware_abi.h" -#include "sysemu/sysemu.h" -#include "hw/ppc/mac.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 - -/* Direct access to NVRAM */ -uint8_t macio_nvram_read(MacIONVRAMState *s, uint32_t addr) -{ - uint32_t ret; - - if (addr < s->size) { - ret = s->data[addr]; - } else { - ret = -1; - } - NVR_DPRINTF("read addr %04" PRIx32 " val %" PRIx8 "\n", addr, ret); - - return ret; -} - -void macio_nvram_write(MacIONVRAMState *s, uint32_t addr, uint8_t val) -{ - NVR_DPRINTF("write addr %04" PRIx32 " val %" PRIx8 "\n", addr, val); - if (addr < s->size) { - s->data[addr] = val; - } -} - -/* 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" PHYS_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 %04x val %x\n", (int)addr, value); - - return value; -} - -static const MemoryRegionOps macio_nvram_ops = { - .read = macio_nvram_readb, - .write = macio_nvram_writeb, - .endianness = DEVICE_BIG_ENDIAN, -}; - -static const VMStateDescription vmstate_macio_nvram = { - .name = "macio_nvram", - .version_id = 1, - .minimum_version_id = 1, - .minimum_version_id_old = 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, &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; -} - -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 */ -void pmac_format_nvram_partition (MacIONVRAMState *nvr, int len) -{ - unsigned int i; - uint32_t start = 0, end; - struct OpenBIOS_nvpart_v1 *part_header; - - // OpenBIOS nvram variables - // Variable partition - part_header = (struct OpenBIOS_nvpart_v1 *)nvr->data; - 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); -} - -type_init(macio_nvram_register_types) |