diff options
Diffstat (limited to 'qemu/hw/char/debugcon.c')
| -rw-r--r-- | qemu/hw/char/debugcon.c | 142 |
1 files changed, 0 insertions, 142 deletions
diff --git a/qemu/hw/char/debugcon.c b/qemu/hw/char/debugcon.c deleted file mode 100644 index e7f025ec6..000000000 --- a/qemu/hw/char/debugcon.c +++ /dev/null @@ -1,142 +0,0 @@ -/* - * QEMU Bochs-style debug console ("port E9") emulation - * - * Copyright (c) 2003-2004 Fabrice Bellard - * Copyright (c) 2008 Citrix Systems, Inc. - * Copyright (c) Intel Corporation; author: H. Peter Anvin - * - * 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 "hw/hw.h" -#include "sysemu/char.h" -#include "hw/isa/isa.h" -#include "hw/i386/pc.h" - -#define TYPE_ISA_DEBUGCON_DEVICE "isa-debugcon" -#define ISA_DEBUGCON_DEVICE(obj) \ - OBJECT_CHECK(ISADebugconState, (obj), TYPE_ISA_DEBUGCON_DEVICE) - -//#define DEBUG_DEBUGCON - -typedef struct DebugconState { - MemoryRegion io; - CharDriverState *chr; - uint32_t readback; -} DebugconState; - -typedef struct ISADebugconState { - ISADevice parent_obj; - - uint32_t iobase; - DebugconState state; -} ISADebugconState; - -static void debugcon_ioport_write(void *opaque, hwaddr addr, uint64_t val, - unsigned width) -{ - DebugconState *s = opaque; - unsigned char ch = val; - -#ifdef DEBUG_DEBUGCON - printf(" [debugcon: write addr=0x%04" HWADDR_PRIx " val=0x%02" PRIx64 "]\n", addr, val); -#endif - - qemu_chr_fe_write(s->chr, &ch, 1); -} - - -static uint64_t debugcon_ioport_read(void *opaque, hwaddr addr, unsigned width) -{ - DebugconState *s = opaque; - -#ifdef DEBUG_DEBUGCON - printf("debugcon: read addr=0x%04" HWADDR_PRIx "\n", addr); -#endif - - return s->readback; -} - -static const MemoryRegionOps debugcon_ops = { - .read = debugcon_ioport_read, - .write = debugcon_ioport_write, - .valid.min_access_size = 1, - .valid.max_access_size = 1, - .endianness = DEVICE_LITTLE_ENDIAN, -}; - -static void debugcon_realize_core(DebugconState *s, Error **errp) -{ - if (!s->chr) { - error_setg(errp, "Can't create debugcon device, empty char device"); - return; - } - - qemu_chr_add_handlers(s->chr, NULL, NULL, NULL, s); -} - -static void debugcon_isa_realizefn(DeviceState *dev, Error **errp) -{ - ISADevice *d = ISA_DEVICE(dev); - ISADebugconState *isa = ISA_DEBUGCON_DEVICE(dev); - DebugconState *s = &isa->state; - Error *err = NULL; - - debugcon_realize_core(s, &err); - if (err != NULL) { - error_propagate(errp, err); - return; - } - memory_region_init_io(&s->io, OBJECT(dev), &debugcon_ops, s, - TYPE_ISA_DEBUGCON_DEVICE, 1); - memory_region_add_subregion(isa_address_space_io(d), - isa->iobase, &s->io); -} - -static Property debugcon_isa_properties[] = { - DEFINE_PROP_UINT32("iobase", ISADebugconState, iobase, 0xe9), - DEFINE_PROP_CHR("chardev", ISADebugconState, state.chr), - DEFINE_PROP_UINT32("readback", ISADebugconState, state.readback, 0xe9), - DEFINE_PROP_END_OF_LIST(), -}; - -static void debugcon_isa_class_initfn(ObjectClass *klass, void *data) -{ - DeviceClass *dc = DEVICE_CLASS(klass); - - dc->realize = debugcon_isa_realizefn; - dc->props = debugcon_isa_properties; - set_bit(DEVICE_CATEGORY_MISC, dc->categories); -} - -static const TypeInfo debugcon_isa_info = { - .name = TYPE_ISA_DEBUGCON_DEVICE, - .parent = TYPE_ISA_DEVICE, - .instance_size = sizeof(ISADebugconState), - .class_init = debugcon_isa_class_initfn, -}; - -static void debugcon_register_types(void) -{ - type_register_static(&debugcon_isa_info); -} - -type_init(debugcon_register_types) |