| PciHost.py (11244:a2af58a06c4e) | PciHost.py (12474:31aaa43d1401) |
|---|---|
| 1# Copyright (c) 2015 ARM Limited | 1# Copyright (c) 2015-2016 ARM Limited |
| 2# All rights reserved 3# 4# The license below extends only to copyright in the software and shall 5# not be construed as granting a license to any other intellectual 6# property including but not limited to intellectual property relating 7# to a hardware implementation of the functionality of the software 8# licensed hereunder. You may use the software subject to the license 9# terms below provided that you ensure that this notice is replicated --- 19 unchanged lines hidden (view full) --- 29# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 30# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 31# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 32# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 33# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 34# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 35# 36# Authors: Andreas Sandberg | 2# All rights reserved 3# 4# The license below extends only to copyright in the software and shall 5# not be construed as granting a license to any other intellectual 6# property including but not limited to intellectual property relating 7# to a hardware implementation of the functionality of the software 8# licensed hereunder. You may use the software subject to the license 9# terms below provided that you ensure that this notice is replicated --- 19 unchanged lines hidden (view full) --- 29# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 30# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 31# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 32# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 33# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 34# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 35# 36# Authors: Andreas Sandberg |
| 37# Glenn Bergmans |
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| 37 38from m5.SimObject import SimObject 39from m5.params import * 40from m5.proxy import * 41from Device import PioDevice 42from Platform import Platform 43 44class PciHost(PioDevice): --- 12 unchanged lines hidden (view full) --- 57 conf_base = Param.Addr("Config space base address") 58 conf_size = Param.Addr("Config space base address") 59 conf_device_bits = Param.UInt8(8, "Number of bits used to as an " 60 "offset a devices address space") 61 62 pci_pio_base = Param.Addr(0, "Base address for PCI IO accesses") 63 pci_mem_base = Param.Addr(0, "Base address for PCI memory accesses") 64 pci_dma_base = Param.Addr(0, "Base address for DMA memory accesses") | 38 39from m5.SimObject import SimObject 40from m5.params import * 41from m5.proxy import * 42from Device import PioDevice 43from Platform import Platform 44 45class PciHost(PioDevice): --- 12 unchanged lines hidden (view full) --- 58 conf_base = Param.Addr("Config space base address") 59 conf_size = Param.Addr("Config space base address") 60 conf_device_bits = Param.UInt8(8, "Number of bits used to as an " 61 "offset a devices address space") 62 63 pci_pio_base = Param.Addr(0, "Base address for PCI IO accesses") 64 pci_mem_base = Param.Addr(0, "Base address for PCI memory accesses") 65 pci_dma_base = Param.Addr(0, "Base address for DMA memory accesses") |
| 66 67 def pciFdtAddr(self, bus=0, device=0, function=0, register=0, space=0, 68 aliased=0, prefetchable=0, relocatable=0, addr=0): 69 70 busf = bus & 0xff 71 devicef = device & 0x1f 72 functionf = function & 0x7 73 registerf = register & 0xff 74 spacef = space & 0x3 75 aliasedf = aliased & 0x1 76 prefetchablef = prefetchable & 0x1 77 relocatablef = relocatable & 0x1 78 79 if busf != bus or \ 80 devicef != device or \ 81 functionf != function or \ 82 registerf != register or \ 83 spacef != space or \ 84 aliasedf != aliased or \ 85 prefetchablef != prefetchable or \ 86 relocatablef != relocatable: 87 fatal("One of the fields for the PCI address is out of bounds") 88 89 address = registerf | (functionf << 8) | (devicef << 11) | \ 90 (busf << 16) | (spacef << 24) | (aliasedf << 29) | \ 91 (prefetchablef << 30) | (relocatablef << 31) 92 93 low_addr = addr & 0xffffffff 94 high_addr = (addr >> 32) & 0xffffffff 95 96 return [address, high_addr, low_addr] |
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