diff options
author | 2017-04-25 03:31:15 -0700 | |
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committer | 2017-05-22 06:48:08 +0000 | |
commit | bb756eebdac6fd24e8919e2c43f7d2c8c4091f59 (patch) | |
tree | ca11e03542edf2d8f631efeca5e1626d211107e3 /qemu/hw/misc/pc-testdev.c | |
parent | a14b48d18a9ed03ec191cf16b162206998a895ce (diff) |
Adding qemu as a submodule of KVMFORNFV
This Patch includes the changes to add qemu as a submodule to
kvmfornfv repo and make use of the updated latest qemu for the
execution of all testcase
Change-Id: I1280af507a857675c7f81d30c95255635667bdd7
Signed-off-by:RajithaY<rajithax.yerrumsetty@intel.com>
Diffstat (limited to 'qemu/hw/misc/pc-testdev.c')
-rw-r--r-- | qemu/hw/misc/pc-testdev.c | 207 |
1 files changed, 0 insertions, 207 deletions
diff --git a/qemu/hw/misc/pc-testdev.c b/qemu/hw/misc/pc-testdev.c deleted file mode 100644 index 086893dcc..000000000 --- a/qemu/hw/misc/pc-testdev.c +++ /dev/null @@ -1,207 +0,0 @@ -/* - * QEMU x86 ISA testdev - * - * Copyright (c) 2012 Avi Kivity, Gerd Hoffmann, Marcelo Tosatti - * - * 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. - */ - -/* - * This device is used to test KVM features specific to the x86 port, such - * as emulation, power management, interrupt routing, among others. It's meant - * to be used like: - * - * qemu-system-x86_64 -device pc-testdev -serial stdio \ - * -device isa-debug-exit,iobase=0xf4,iosize=0x4 \ - * -kernel /home/lmr/Code/virt-test.git/kvm/unittests/msr.flat - * - * Where msr.flat is one of the KVM unittests, present on a separate repo, - * git://git.kernel.org/pub/scm/virt/kvm/kvm-unit-tests.git -*/ - -#include "qemu/osdep.h" -#if defined(CONFIG_POSIX) -#include <sys/mman.h> -#endif -#include "hw/hw.h" -#include "hw/qdev.h" -#include "hw/isa/isa.h" - -#define IOMEM_LEN 0x10000 - -typedef struct PCTestdev { - ISADevice parent_obj; - - MemoryRegion ioport; - MemoryRegion ioport_byte; - MemoryRegion flush; - MemoryRegion irq; - MemoryRegion iomem; - uint32_t ioport_data; - char iomem_buf[IOMEM_LEN]; -} PCTestdev; - -#define TYPE_TESTDEV "pc-testdev" -#define TESTDEV(obj) \ - OBJECT_CHECK(PCTestdev, (obj), TYPE_TESTDEV) - -static void test_irq_line(void *opaque, hwaddr addr, uint64_t data, - unsigned len) -{ - PCTestdev *dev = opaque; - ISADevice *isa = ISA_DEVICE(dev); - - qemu_set_irq(isa_get_irq(isa, addr), !!data); -} - -static const MemoryRegionOps test_irq_ops = { - .write = test_irq_line, - .valid.min_access_size = 1, - .valid.max_access_size = 1, - .endianness = DEVICE_LITTLE_ENDIAN, -}; - -static void test_ioport_write(void *opaque, hwaddr addr, uint64_t data, - unsigned len) -{ - PCTestdev *dev = opaque; - int bits = len * 8; - int start_bit = (addr & 3) * 8; - uint32_t mask = ((uint32_t)-1 >> (32 - bits)) << start_bit; - dev->ioport_data &= ~mask; - dev->ioport_data |= data << start_bit; -} - -static uint64_t test_ioport_read(void *opaque, hwaddr addr, unsigned len) -{ - PCTestdev *dev = opaque; - int bits = len * 8; - int start_bit = (addr & 3) * 8; - uint32_t mask = ((uint32_t)-1 >> (32 - bits)) << start_bit; - return (dev->ioport_data & mask) >> start_bit; -} - -static const MemoryRegionOps test_ioport_ops = { - .read = test_ioport_read, - .write = test_ioport_write, - .endianness = DEVICE_LITTLE_ENDIAN, -}; - -static const MemoryRegionOps test_ioport_byte_ops = { - .read = test_ioport_read, - .write = test_ioport_write, - .valid.min_access_size = 1, - .valid.max_access_size = 4, - .impl.min_access_size = 1, - .impl.max_access_size = 1, - .endianness = DEVICE_LITTLE_ENDIAN, -}; - -static void test_flush_page(void *opaque, hwaddr addr, uint64_t data, - unsigned len) -{ - hwaddr page = 4096; - void *a = cpu_physical_memory_map(data & ~0xffful, &page, 0); - - /* We might not be able to get the full page, only mprotect what we actually - have mapped */ -#if defined(CONFIG_POSIX) - mprotect(a, page, PROT_NONE); - mprotect(a, page, PROT_READ|PROT_WRITE); -#endif - cpu_physical_memory_unmap(a, page, 0, 0); -} - -static const MemoryRegionOps test_flush_ops = { - .write = test_flush_page, - .valid.min_access_size = 4, - .valid.max_access_size = 4, - .endianness = DEVICE_LITTLE_ENDIAN, -}; - -static uint64_t test_iomem_read(void *opaque, hwaddr addr, unsigned len) -{ - PCTestdev *dev = opaque; - uint64_t ret = 0; - memcpy(&ret, &dev->iomem_buf[addr], len); - - return ret; -} - -static void test_iomem_write(void *opaque, hwaddr addr, uint64_t val, - unsigned len) -{ - PCTestdev *dev = opaque; - memcpy(&dev->iomem_buf[addr], &val, len); - dev->iomem_buf[addr] = val; -} - -static const MemoryRegionOps test_iomem_ops = { - .read = test_iomem_read, - .write = test_iomem_write, - .endianness = DEVICE_LITTLE_ENDIAN, -}; - -static void testdev_realizefn(DeviceState *d, Error **errp) -{ - ISADevice *isa = ISA_DEVICE(d); - PCTestdev *dev = TESTDEV(d); - MemoryRegion *mem = isa_address_space(isa); - MemoryRegion *io = isa_address_space_io(isa); - - memory_region_init_io(&dev->ioport, OBJECT(dev), &test_ioport_ops, dev, - "pc-testdev-ioport", 4); - memory_region_init_io(&dev->ioport_byte, OBJECT(dev), - &test_ioport_byte_ops, dev, - "pc-testdev-ioport-byte", 4); - memory_region_init_io(&dev->flush, OBJECT(dev), &test_flush_ops, dev, - "pc-testdev-flush-page", 4); - memory_region_init_io(&dev->irq, OBJECT(dev), &test_irq_ops, dev, - "pc-testdev-irq-line", 24); - memory_region_init_io(&dev->iomem, OBJECT(dev), &test_iomem_ops, dev, - "pc-testdev-iomem", IOMEM_LEN); - - memory_region_add_subregion(io, 0xe0, &dev->ioport); - memory_region_add_subregion(io, 0xe4, &dev->flush); - memory_region_add_subregion(io, 0xe8, &dev->ioport_byte); - memory_region_add_subregion(io, 0x2000, &dev->irq); - memory_region_add_subregion(mem, 0xff000000, &dev->iomem); -} - -static void testdev_class_init(ObjectClass *klass, void *data) -{ - DeviceClass *dc = DEVICE_CLASS(klass); - - set_bit(DEVICE_CATEGORY_MISC, dc->categories); - dc->realize = testdev_realizefn; -} - -static const TypeInfo testdev_info = { - .name = TYPE_TESTDEV, - .parent = TYPE_ISA_DEVICE, - .instance_size = sizeof(PCTestdev), - .class_init = testdev_class_init, -}; - -static void testdev_register_types(void) -{ - type_register_static(&testdev_info); -} - -type_init(testdev_register_types) |