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Diffstat (limited to 'qemu/hw/nvram/mac_nvram.c')
-rw-r--r--qemu/hw/nvram/mac_nvram.c218
1 files changed, 0 insertions, 218 deletions
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)