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author | Peter Maydell | 2016-07-07 14:47:01 +0200 |
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committer | Peter Maydell | 2016-07-07 14:47:01 +0200 |
commit | e0dadc1e9ef1f35208e5d2af9c7740c18a0b769f (patch) | |
tree | b1dc20257a092c065f6832ec9851e0f0b0a1e957 /hw/misc/aux.c | |
parent | aux: fix break that wanted to break two levels out (diff) | |
download | qemu-e0dadc1e9ef1f35208e5d2af9c7740c18a0b769f.tar.gz qemu-e0dadc1e9ef1f35208e5d2af9c7740c18a0b769f.tar.xz qemu-e0dadc1e9ef1f35208e5d2af9c7740c18a0b769f.zip |
aux: Rename aux.[ch] to auxbus.[ch] for the benefit of Windows
On Windows 'aux.*' is a reserved name and cannot be used for
filenames; see
https://msdn.microsoft.com/en-gb/library/windows/desktop/aa365247(v=vs.85).aspx
This prevents cloning the QEMU git repo on Windows:
C:\Java\sources\kvm> git clone https://github.com/qemu/qemu.git
Cloning into 'qemu'...
remote: Counting objects: 279563, done.
remote: Total 279563 (delta 0), reused 0 (delta 0), pack-reused 279563R
Receiving objects: 100% (279563/279563), 122.45 MiB | 3.52 MiB/s, done.
Resolving deltas: 100% (221942/221942), done.
Checking connectivity... done.
error: unable to create file hw/misc/aux.c (No such file or directory)
error: unable to create file include/hw/misc/aux.h (No such file or directory)
Checking out files: 100% (4795/4795), done.
fatal: unable to checkout working tree
warning: Clone succeeded, but checkout failed.
You can inspect what was checked out with 'git status'
and retry the checkout with 'git checkout -f HEAD'
(bug https://bugs.launchpad.net/bugs/1595240)
Rename the offending files for the benefit of Windows.
Reported-by: Алексей Курган <akurgan@yandex.ru>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Wei Huang <wei@redhat.com>
Tested-by: KONRAD Frederic <fred.konrad@greensocs.com>
Message-id: 1467377145-32385-1-git-send-email-peter.maydell@linaro.org
Diffstat (limited to 'hw/misc/aux.c')
-rw-r--r-- | hw/misc/aux.c | 292 |
1 files changed, 0 insertions, 292 deletions
diff --git a/hw/misc/aux.c b/hw/misc/aux.c deleted file mode 100644 index 06e24ca8c2..0000000000 --- a/hw/misc/aux.c +++ /dev/null @@ -1,292 +0,0 @@ -/* - * aux.c - * - * Copyright 2015 : GreenSocs Ltd - * 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/>. - * - */ - -/* - * This is an implementation of the AUX bus for VESA Display Port v1.1a. - */ - -#include "qemu/osdep.h" -#include "qemu/log.h" -#include "hw/misc/aux.h" -#include "hw/i2c/i2c.h" -#include "monitor/monitor.h" - -#ifndef DEBUG_AUX -#define DEBUG_AUX 0 -#endif - -#define DPRINTF(fmt, ...) do { \ - if (DEBUG_AUX) { \ - qemu_log("aux: " fmt , ## __VA_ARGS__); \ - } \ -} while (0); - -#define TYPE_AUXTOI2C "aux-to-i2c-bridge" -#define AUXTOI2C(obj) OBJECT_CHECK(AUXTOI2CState, (obj), TYPE_AUXTOI2C) - -static void aux_slave_dev_print(Monitor *mon, DeviceState *dev, int indent); -static inline I2CBus *aux_bridge_get_i2c_bus(AUXTOI2CState *bridge); - -/* aux-bus implementation (internal not public) */ -static void aux_bus_class_init(ObjectClass *klass, void *data) -{ - BusClass *k = BUS_CLASS(klass); - - /* AUXSlave has an MMIO so we need to change the way we print information - * in monitor. - */ - k->print_dev = aux_slave_dev_print; -} - -AUXBus *aux_init_bus(DeviceState *parent, const char *name) -{ - AUXBus *bus; - - bus = AUX_BUS(qbus_create(TYPE_AUX_BUS, parent, name)); - bus->bridge = AUXTOI2C(qdev_create(BUS(bus), TYPE_AUXTOI2C)); - - /* Memory related. */ - bus->aux_io = g_malloc(sizeof(*bus->aux_io)); - memory_region_init(bus->aux_io, OBJECT(bus), "aux-io", (1 << 20)); - address_space_init(&bus->aux_addr_space, bus->aux_io, "aux-io"); - return bus; -} - -static void aux_bus_map_device(AUXBus *bus, AUXSlave *dev, hwaddr addr) -{ - memory_region_add_subregion(bus->aux_io, addr, dev->mmio); -} - -static bool aux_bus_is_bridge(AUXBus *bus, DeviceState *dev) -{ - return (dev == DEVICE(bus->bridge)); -} - -I2CBus *aux_get_i2c_bus(AUXBus *bus) -{ - return aux_bridge_get_i2c_bus(bus->bridge); -} - -AUXReply aux_request(AUXBus *bus, AUXCommand cmd, uint32_t address, - uint8_t len, uint8_t *data) -{ - AUXReply ret = AUX_NACK; - I2CBus *i2c_bus = aux_get_i2c_bus(bus); - size_t i; - bool is_write = false; - - DPRINTF("request at address 0x%" PRIX32 ", command %u, len %u\n", address, - cmd, len); - - switch (cmd) { - /* - * Forward the request on the AUX bus.. - */ - case WRITE_AUX: - case READ_AUX: - is_write = cmd == READ_AUX ? false : true; - for (i = 0; i < len; i++) { - if (!address_space_rw(&bus->aux_addr_space, address++, - MEMTXATTRS_UNSPECIFIED, data++, 1, - is_write)) { - ret = AUX_I2C_ACK; - } else { - ret = AUX_NACK; - break; - } - } - break; - /* - * Classic I2C transactions.. - */ - case READ_I2C: - case WRITE_I2C: - is_write = cmd == READ_I2C ? false : true; - if (i2c_bus_busy(i2c_bus)) { - i2c_end_transfer(i2c_bus); - } - - if (i2c_start_transfer(i2c_bus, address, is_write)) { - ret = AUX_I2C_NACK; - break; - } - - ret = AUX_I2C_ACK; - while (len > 0) { - if (i2c_send_recv(i2c_bus, data++, is_write) < 0) { - ret = AUX_I2C_NACK; - break; - } - len--; - } - i2c_end_transfer(i2c_bus); - break; - /* - * I2C MOT transactions. - * - * Here we send a start when: - * - We didn't start transaction yet. - * - We had a READ and we do a WRITE. - * - We changed the address. - */ - case WRITE_I2C_MOT: - case READ_I2C_MOT: - is_write = cmd == READ_I2C_MOT ? false : true; - ret = AUX_I2C_NACK; - if (!i2c_bus_busy(i2c_bus)) { - /* - * No transactions started.. - */ - if (i2c_start_transfer(i2c_bus, address, is_write)) { - break; - } - } else if ((address != bus->last_i2c_address) || - (bus->last_transaction != cmd)) { - /* - * Transaction started but we need to restart.. - */ - i2c_end_transfer(i2c_bus); - if (i2c_start_transfer(i2c_bus, address, is_write)) { - break; - } - } - - bus->last_transaction = cmd; - bus->last_i2c_address = address; - while (len > 0) { - if (i2c_send_recv(i2c_bus, data++, is_write) < 0) { - i2c_end_transfer(i2c_bus); - break; - } - len--; - } - if (len == 0) { - ret = AUX_I2C_ACK; - } - break; - default: - DPRINTF("Not implemented!\n"); - return AUX_NACK; - } - - DPRINTF("reply: %u\n", ret); - return ret; -} - -static const TypeInfo aux_bus_info = { - .name = TYPE_AUX_BUS, - .parent = TYPE_BUS, - .instance_size = sizeof(AUXBus), - .class_init = aux_bus_class_init -}; - -/* aux-i2c implementation (internal not public) */ -struct AUXTOI2CState { - /*< private >*/ - DeviceState parent_obj; - - /*< public >*/ - I2CBus *i2c_bus; -}; - -static void aux_bridge_init(Object *obj) -{ - AUXTOI2CState *s = AUXTOI2C(obj); - - s->i2c_bus = i2c_init_bus(DEVICE(obj), "aux-i2c"); -} - -static inline I2CBus *aux_bridge_get_i2c_bus(AUXTOI2CState *bridge) -{ - return bridge->i2c_bus; -} - -static const TypeInfo aux_to_i2c_type_info = { - .name = TYPE_AUXTOI2C, - .parent = TYPE_DEVICE, - .instance_size = sizeof(AUXTOI2CState), - .instance_init = aux_bridge_init -}; - -/* aux-slave implementation */ -static void aux_slave_dev_print(Monitor *mon, DeviceState *dev, int indent) -{ - AUXBus *bus = AUX_BUS(qdev_get_parent_bus(dev)); - AUXSlave *s; - - /* Don't print anything if the device is I2C "bridge". */ - if (aux_bus_is_bridge(bus, dev)) { - return; - } - - s = AUX_SLAVE(dev); - - monitor_printf(mon, "%*smemory " TARGET_FMT_plx "/" TARGET_FMT_plx "\n", - indent, "", - object_property_get_int(OBJECT(s->mmio), "addr", NULL), - memory_region_size(s->mmio)); -} - -DeviceState *aux_create_slave(AUXBus *bus, const char *type, uint32_t addr) -{ - DeviceState *dev; - - dev = DEVICE(object_new(type)); - assert(dev); - qdev_set_parent_bus(dev, &bus->qbus); - qdev_init_nofail(dev); - aux_bus_map_device(AUX_BUS(qdev_get_parent_bus(dev)), AUX_SLAVE(dev), addr); - return dev; -} - -void aux_init_mmio(AUXSlave *aux_slave, MemoryRegion *mmio) -{ - assert(!aux_slave->mmio); - aux_slave->mmio = mmio; -} - -static void aux_slave_class_init(ObjectClass *klass, void *data) -{ - DeviceClass *k = DEVICE_CLASS(klass); - - set_bit(DEVICE_CATEGORY_MISC, k->categories); - k->bus_type = TYPE_AUX_BUS; -} - -static const TypeInfo aux_slave_type_info = { - .name = TYPE_AUX_SLAVE, - .parent = TYPE_DEVICE, - .instance_size = sizeof(AUXSlave), - .abstract = true, - .class_init = aux_slave_class_init, -}; - -static void aux_register_types(void) -{ - type_register_static(&aux_bus_info); - type_register_static(&aux_slave_type_info); - type_register_static(&aux_to_i2c_type_info); -} - -type_init(aux_register_types) |