diff options
Diffstat (limited to 'qemu/hw/dma/i82374.c')
| -rw-r--r-- | qemu/hw/dma/i82374.c | 156 |
1 files changed, 0 insertions, 156 deletions
diff --git a/qemu/hw/dma/i82374.c b/qemu/hw/dma/i82374.c deleted file mode 100644 index 6c0f975df..000000000 --- a/qemu/hw/dma/i82374.c +++ /dev/null @@ -1,156 +0,0 @@ -/* - * QEMU Intel 82374 emulation (Enhanced DMA controller) - * - * Copyright (c) 2010 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/isa/isa.h" - -#define TYPE_I82374 "i82374" -#define I82374(obj) OBJECT_CHECK(I82374State, (obj), TYPE_I82374) - -//#define DEBUG_I82374 - -#ifdef DEBUG_I82374 -#define DPRINTF(fmt, ...) \ -do { fprintf(stderr, "i82374: " fmt , ## __VA_ARGS__); } while (0) -#else -#define DPRINTF(fmt, ...) \ -do {} while (0) -#endif -#define BADF(fmt, ...) \ -do { fprintf(stderr, "i82374 ERROR: " fmt , ## __VA_ARGS__); } while (0) - -typedef struct I82374State { - ISADevice parent_obj; - - uint32_t iobase; - uint8_t commands[8]; - PortioList port_list; -} I82374State; - -static const VMStateDescription vmstate_i82374 = { - .name = "i82374", - .version_id = 0, - .minimum_version_id = 0, - .fields = (VMStateField[]) { - VMSTATE_UINT8_ARRAY(commands, I82374State, 8), - VMSTATE_END_OF_LIST() - }, -}; - -static uint32_t i82374_read_isr(void *opaque, uint32_t nport) -{ - uint32_t val = 0; - - BADF("%s: %08x\n", __func__, nport); - - DPRINTF("%s: %08x=%08x\n", __func__, nport, val); - return val; -} - -static void i82374_write_command(void *opaque, uint32_t nport, uint32_t data) -{ - DPRINTF("%s: %08x=%08x\n", __func__, nport, data); - - if (data != 0x42) { - /* Not Stop S/G command */ - BADF("%s: %08x=%08x\n", __func__, nport, data); - } -} - -static uint32_t i82374_read_status(void *opaque, uint32_t nport) -{ - uint32_t val = 0; - - BADF("%s: %08x\n", __func__, nport); - - DPRINTF("%s: %08x=%08x\n", __func__, nport, val); - return val; -} - -static void i82374_write_descriptor(void *opaque, uint32_t nport, uint32_t data) -{ - DPRINTF("%s: %08x=%08x\n", __func__, nport, data); - - BADF("%s: %08x=%08x\n", __func__, nport, data); -} - -static uint32_t i82374_read_descriptor(void *opaque, uint32_t nport) -{ - uint32_t val = 0; - - BADF("%s: %08x\n", __func__, nport); - - DPRINTF("%s: %08x=%08x\n", __func__, nport, val); - return val; -} - -static const MemoryRegionPortio i82374_portio_list[] = { - { 0x0A, 1, 1, .read = i82374_read_isr, }, - { 0x10, 8, 1, .write = i82374_write_command, }, - { 0x18, 8, 1, .read = i82374_read_status, }, - { 0x20, 0x20, 1, - .write = i82374_write_descriptor, .read = i82374_read_descriptor, }, - PORTIO_END_OF_LIST(), -}; - -static void i82374_realize(DeviceState *dev, Error **errp) -{ - I82374State *s = I82374(dev); - - portio_list_init(&s->port_list, OBJECT(s), i82374_portio_list, s, - "i82374"); - portio_list_add(&s->port_list, isa_address_space_io(&s->parent_obj), - s->iobase); - - DMA_init(isa_bus_from_device(ISA_DEVICE(dev)), 1); - memset(s->commands, 0, sizeof(s->commands)); -} - -static Property i82374_properties[] = { - DEFINE_PROP_UINT32("iobase", I82374State, iobase, 0x400), - DEFINE_PROP_END_OF_LIST() -}; - -static void i82374_class_init(ObjectClass *klass, void *data) -{ - DeviceClass *dc = DEVICE_CLASS(klass); - - dc->realize = i82374_realize; - dc->vmsd = &vmstate_i82374; - dc->props = i82374_properties; -} - -static const TypeInfo i82374_info = { - .name = TYPE_I82374, - .parent = TYPE_ISA_DEVICE, - .instance_size = sizeof(I82374State), - .class_init = i82374_class_init, -}; - -static void i82374_register_types(void) -{ - type_register_static(&i82374_info); -} - -type_init(i82374_register_types) |