diff options
author | 2017-04-25 03:31:15 -0700 | |
---|---|---|
committer | 2017-05-22 06:48:08 +0000 | |
commit | bb756eebdac6fd24e8919e2c43f7d2c8c4091f59 (patch) | |
tree | ca11e03542edf2d8f631efeca5e1626d211107e3 /qemu/ioport.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/ioport.c')
-rw-r--r-- | qemu/ioport.c | 298 |
1 files changed, 0 insertions, 298 deletions
diff --git a/qemu/ioport.c b/qemu/ioport.c deleted file mode 100644 index 7a84d5444..000000000 --- a/qemu/ioport.c +++ /dev/null @@ -1,298 +0,0 @@ -/* - * QEMU System Emulator - * - * Copyright (c) 2003-2008 Fabrice Bellard - * - * 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. - */ -/* - * splitted out ioport related stuffs from vl.c. - */ - -#include "qemu/osdep.h" -#include "exec/ioport.h" -#include "trace.h" -#include "exec/memory.h" -#include "exec/address-spaces.h" - -typedef struct MemoryRegionPortioList { - MemoryRegion mr; - void *portio_opaque; - MemoryRegionPortio ports[]; -} MemoryRegionPortioList; - -static uint64_t unassigned_io_read(void *opaque, hwaddr addr, unsigned size) -{ - return -1ULL; -} - -static void unassigned_io_write(void *opaque, hwaddr addr, uint64_t val, - unsigned size) -{ -} - -const MemoryRegionOps unassigned_io_ops = { - .read = unassigned_io_read, - .write = unassigned_io_write, - .endianness = DEVICE_NATIVE_ENDIAN, -}; - -void cpu_outb(pio_addr_t addr, uint8_t val) -{ - trace_cpu_out(addr, 'b', val); - address_space_write(&address_space_io, addr, MEMTXATTRS_UNSPECIFIED, - &val, 1); -} - -void cpu_outw(pio_addr_t addr, uint16_t val) -{ - uint8_t buf[2]; - - trace_cpu_out(addr, 'w', val); - stw_p(buf, val); - address_space_write(&address_space_io, addr, MEMTXATTRS_UNSPECIFIED, - buf, 2); -} - -void cpu_outl(pio_addr_t addr, uint32_t val) -{ - uint8_t buf[4]; - - trace_cpu_out(addr, 'l', val); - stl_p(buf, val); - address_space_write(&address_space_io, addr, MEMTXATTRS_UNSPECIFIED, - buf, 4); -} - -uint8_t cpu_inb(pio_addr_t addr) -{ - uint8_t val; - - address_space_read(&address_space_io, addr, MEMTXATTRS_UNSPECIFIED, - &val, 1); - trace_cpu_in(addr, 'b', val); - return val; -} - -uint16_t cpu_inw(pio_addr_t addr) -{ - uint8_t buf[2]; - uint16_t val; - - address_space_read(&address_space_io, addr, MEMTXATTRS_UNSPECIFIED, buf, 2); - val = lduw_p(buf); - trace_cpu_in(addr, 'w', val); - return val; -} - -uint32_t cpu_inl(pio_addr_t addr) -{ - uint8_t buf[4]; - uint32_t val; - - address_space_read(&address_space_io, addr, MEMTXATTRS_UNSPECIFIED, buf, 4); - val = ldl_p(buf); - trace_cpu_in(addr, 'l', val); - return val; -} - -void portio_list_init(PortioList *piolist, - Object *owner, - const MemoryRegionPortio *callbacks, - void *opaque, const char *name) -{ - unsigned n = 0; - - while (callbacks[n].size) { - ++n; - } - - piolist->ports = callbacks; - piolist->nr = 0; - piolist->regions = g_new0(MemoryRegion *, n); - piolist->address_space = NULL; - piolist->opaque = opaque; - piolist->owner = owner; - piolist->name = name; - piolist->flush_coalesced_mmio = false; -} - -void portio_list_set_flush_coalesced(PortioList *piolist) -{ - piolist->flush_coalesced_mmio = true; -} - -void portio_list_destroy(PortioList *piolist) -{ - MemoryRegionPortioList *mrpio; - unsigned i; - - for (i = 0; i < piolist->nr; ++i) { - mrpio = container_of(piolist->regions[i], MemoryRegionPortioList, mr); - object_unparent(OBJECT(&mrpio->mr)); - g_free(mrpio); - } - g_free(piolist->regions); -} - -static const MemoryRegionPortio *find_portio(MemoryRegionPortioList *mrpio, - uint64_t offset, unsigned size, - bool write) -{ - const MemoryRegionPortio *mrp; - - for (mrp = mrpio->ports; mrp->size; ++mrp) { - if (offset >= mrp->offset && offset < mrp->offset + mrp->len && - size == mrp->size && - (write ? (bool)mrp->write : (bool)mrp->read)) { - return mrp; - } - } - return NULL; -} - -static uint64_t portio_read(void *opaque, hwaddr addr, unsigned size) -{ - MemoryRegionPortioList *mrpio = opaque; - const MemoryRegionPortio *mrp = find_portio(mrpio, addr, size, false); - uint64_t data; - - data = ((uint64_t)1 << (size * 8)) - 1; - if (mrp) { - data = mrp->read(mrpio->portio_opaque, mrp->base + addr); - } else if (size == 2) { - mrp = find_portio(mrpio, addr, 1, false); - if (mrp) { - data = mrp->read(mrpio->portio_opaque, mrp->base + addr); - if (addr + 1 < mrp->offset + mrp->len) { - data |= mrp->read(mrpio->portio_opaque, mrp->base + addr + 1) << 8; - } else { - data |= 0xff00; - } - } - } - return data; -} - -static void portio_write(void *opaque, hwaddr addr, uint64_t data, - unsigned size) -{ - MemoryRegionPortioList *mrpio = opaque; - const MemoryRegionPortio *mrp = find_portio(mrpio, addr, size, true); - - if (mrp) { - mrp->write(mrpio->portio_opaque, mrp->base + addr, data); - } else if (size == 2) { - mrp = find_portio(mrpio, addr, 1, true); - if (mrp) { - mrp->write(mrpio->portio_opaque, mrp->base + addr, data & 0xff); - if (addr + 1 < mrp->offset + mrp->len) { - mrp->write(mrpio->portio_opaque, mrp->base + addr + 1, data >> 8); - } - } - } -} - -static const MemoryRegionOps portio_ops = { - .read = portio_read, - .write = portio_write, - .endianness = DEVICE_LITTLE_ENDIAN, - .valid.unaligned = true, - .impl.unaligned = true, -}; - -static void portio_list_add_1(PortioList *piolist, - const MemoryRegionPortio *pio_init, - unsigned count, unsigned start, - unsigned off_low, unsigned off_high) -{ - MemoryRegionPortioList *mrpio; - unsigned i; - - /* Copy the sub-list and null-terminate it. */ - mrpio = g_malloc0(sizeof(MemoryRegionPortioList) + - sizeof(MemoryRegionPortio) * (count + 1)); - mrpio->portio_opaque = piolist->opaque; - memcpy(mrpio->ports, pio_init, sizeof(MemoryRegionPortio) * count); - memset(mrpio->ports + count, 0, sizeof(MemoryRegionPortio)); - - /* Adjust the offsets to all be zero-based for the region. */ - for (i = 0; i < count; ++i) { - mrpio->ports[i].offset -= off_low; - mrpio->ports[i].base = start + off_low; - } - - memory_region_init_io(&mrpio->mr, piolist->owner, &portio_ops, mrpio, - piolist->name, off_high - off_low); - if (piolist->flush_coalesced_mmio) { - memory_region_set_flush_coalesced(&mrpio->mr); - } - memory_region_add_subregion(piolist->address_space, - start + off_low, &mrpio->mr); - piolist->regions[piolist->nr] = &mrpio->mr; - ++piolist->nr; -} - -void portio_list_add(PortioList *piolist, - MemoryRegion *address_space, - uint32_t start) -{ - const MemoryRegionPortio *pio, *pio_start = piolist->ports; - unsigned int off_low, off_high, off_last, count; - - piolist->address_space = address_space; - - /* Handle the first entry specially. */ - off_last = off_low = pio_start->offset; - off_high = off_low + pio_start->len + pio_start->size - 1; - count = 1; - - for (pio = pio_start + 1; pio->size != 0; pio++, count++) { - /* All entries must be sorted by offset. */ - assert(pio->offset >= off_last); - off_last = pio->offset; - - /* If we see a hole, break the region. */ - if (off_last > off_high) { - portio_list_add_1(piolist, pio_start, count, start, off_low, - off_high); - /* ... and start collecting anew. */ - pio_start = pio; - off_low = off_last; - off_high = off_low + pio->len + pio_start->size - 1; - count = 0; - } else if (off_last + pio->len > off_high) { - off_high = off_last + pio->len + pio_start->size - 1; - } - } - - /* There will always be an open sub-list. */ - portio_list_add_1(piolist, pio_start, count, start, off_low, off_high); -} - -void portio_list_del(PortioList *piolist) -{ - MemoryRegionPortioList *mrpio; - unsigned i; - - for (i = 0; i < piolist->nr; ++i) { - mrpio = container_of(piolist->regions[i], MemoryRegionPortioList, mr); - memory_region_del_subregion(piolist->address_space, &mrpio->mr); - } -} |