diff options
-rw-r--r-- | hw/misc/Makefile.objs | 1 | ||||
-rw-r--r-- | hw/misc/mmio_interface.c | 135 | ||||
-rw-r--r-- | include/hw/misc/mmio_interface.h | 49 |
3 files changed, 0 insertions, 185 deletions
diff --git a/hw/misc/Makefile.objs b/hw/misc/Makefile.objs index 51d27b3..22714b0 100644 --- a/hw/misc/Makefile.objs +++ b/hw/misc/Makefile.objs @@ -71,5 +71,4 @@ obj-$(CONFIG_PVPANIC) += pvpanic.o obj-$(CONFIG_HYPERV_TESTDEV) += hyperv_testdev.o obj-$(CONFIG_AUX) += auxbus.o obj-$(CONFIG_ASPEED_SOC) += aspeed_scu.o aspeed_sdmc.o -obj-y += mmio_interface.o obj-$(CONFIG_MSF2) += msf2-sysreg.o diff --git a/hw/misc/mmio_interface.c b/hw/misc/mmio_interface.c deleted file mode 100644 index 3b0e203..0000000 --- a/hw/misc/mmio_interface.c +++ /dev/null @@ -1,135 +0,0 @@ -/* - * mmio_interface.c - * - * Copyright (C) 2017 : GreenSocs - * http://www.greensocs.com/ , email: info@greensocs.com - * - * Developed by : - * Frederic Konrad <fred.konrad@greensocs.com> - * - * 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/>. - * - */ - -#include "qemu/osdep.h" -#include "qemu/log.h" -#include "trace.h" -#include "hw/qdev-properties.h" -#include "hw/misc/mmio_interface.h" -#include "qapi/error.h" - -#ifndef DEBUG_MMIO_INTERFACE -#define DEBUG_MMIO_INTERFACE 0 -#endif - -static uint64_t mmio_interface_counter; - -#define DPRINTF(fmt, ...) do { \ - if (DEBUG_MMIO_INTERFACE) { \ - qemu_log("mmio_interface: 0x%" PRIX64 ": " fmt, s->id, ## __VA_ARGS__);\ - } \ -} while (0) - -static void mmio_interface_init(Object *obj) -{ - MMIOInterface *s = MMIO_INTERFACE(obj); - - if (DEBUG_MMIO_INTERFACE) { - s->id = mmio_interface_counter++; - } - - DPRINTF("interface created\n"); - s->host_ptr = 0; - s->subregion = 0; -} - -static void mmio_interface_realize(DeviceState *dev, Error **errp) -{ - MMIOInterface *s = MMIO_INTERFACE(dev); - - DPRINTF("realize from 0x%" PRIX64 " to 0x%" PRIX64 " map host pointer" - " %p\n", s->start, s->end, s->host_ptr); - - if (!s->host_ptr) { - error_setg(errp, "host_ptr property must be set"); - return; - } - - if (!s->subregion) { - error_setg(errp, "subregion property must be set"); - return; - } - - memory_region_init_ram_ptr(&s->ram_mem, OBJECT(s), "ram", - s->end - s->start + 1, s->host_ptr); - memory_region_set_readonly(&s->ram_mem, s->ro); - memory_region_add_subregion(s->subregion, s->start, &s->ram_mem); -} - -static void mmio_interface_unrealize(DeviceState *dev, Error **errp) -{ - MMIOInterface *s = MMIO_INTERFACE(dev); - - DPRINTF("unrealize from 0x%" PRIX64 " to 0x%" PRIX64 " map host pointer" - " %p\n", s->start, s->end, s->host_ptr); - memory_region_del_subregion(s->subregion, &s->ram_mem); -} - -static void mmio_interface_finalize(Object *obj) -{ - MMIOInterface *s = MMIO_INTERFACE(obj); - - DPRINTF("finalize from 0x%" PRIX64 " to 0x%" PRIX64 " map host pointer" - " %p\n", s->start, s->end, s->host_ptr); - object_unparent(OBJECT(&s->ram_mem)); -} - -static Property mmio_interface_properties[] = { - DEFINE_PROP_UINT64("start", MMIOInterface, start, 0), - DEFINE_PROP_UINT64("end", MMIOInterface, end, 0), - DEFINE_PROP_PTR("host_ptr", MMIOInterface, host_ptr), - DEFINE_PROP_BOOL("ro", MMIOInterface, ro, false), - DEFINE_PROP_MEMORY_REGION("subregion", MMIOInterface, subregion), - DEFINE_PROP_END_OF_LIST(), -}; - -static void mmio_interface_class_init(ObjectClass *oc, void *data) -{ - DeviceClass *dc = DEVICE_CLASS(oc); - - dc->realize = mmio_interface_realize; - dc->unrealize = mmio_interface_unrealize; - dc->props = mmio_interface_properties; - /* Reason: pointer property "host_ptr", and this device - * is an implementation detail of the memory subsystem, - * not intended to be created directly by the user. - */ - dc->user_creatable = false; -} - -static const TypeInfo mmio_interface_info = { - .name = TYPE_MMIO_INTERFACE, - .parent = TYPE_DEVICE, - .instance_size = sizeof(MMIOInterface), - .instance_init = mmio_interface_init, - .instance_finalize = mmio_interface_finalize, - .class_init = mmio_interface_class_init, -}; - -static void mmio_interface_register_types(void) -{ - type_register_static(&mmio_interface_info); -} - -type_init(mmio_interface_register_types) diff --git a/include/hw/misc/mmio_interface.h b/include/hw/misc/mmio_interface.h deleted file mode 100644 index 90d34fb..0000000 --- a/include/hw/misc/mmio_interface.h +++ /dev/null @@ -1,49 +0,0 @@ -/* - * mmio_interface.h - * - * Copyright (C) 2017 : GreenSocs - * http://www.greensocs.com/ , email: info@greensocs.com - * - * Developed by : - * Frederic Konrad <fred.konrad@greensocs.com> - * - * 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/>. - * - */ - -#ifndef MMIO_INTERFACE_H -#define MMIO_INTERFACE_H - -#include "exec/memory.h" - -#define TYPE_MMIO_INTERFACE "mmio_interface" -#define MMIO_INTERFACE(obj) OBJECT_CHECK(MMIOInterface, (obj), \ - TYPE_MMIO_INTERFACE) - -typedef struct MMIOInterface { - DeviceState parent_obj; - - MemoryRegion *subregion; - MemoryRegion ram_mem; - uint64_t start; - uint64_t end; - bool ro; - uint64_t id; - void *host_ptr; -} MMIOInterface; - -void mmio_interface_map(MMIOInterface *s); -void mmio_interface_unmap(MMIOInterface *s); - -#endif /* MMIO_INTERFACE_H */ |