diff options
Diffstat (limited to 'configs/common')
| -rw-r--r-- | configs/common/FSConfig.py | 79 |
1 files changed, 67 insertions, 12 deletions
diff --git a/configs/common/FSConfig.py b/configs/common/FSConfig.py index 3c506c215..8407db869 100644 --- a/configs/common/FSConfig.py +++ b/configs/common/FSConfig.py @@ -56,6 +56,7 @@ class MemBus(Bus): def makeLinuxAlphaSystem(mem_mode, mdesc = None): + IO_address_space_base = 0x80000000000 class BaseTsunami(Tsunami): ethernet = NSGigE(pci_bus=0, pci_dev=1, pci_func=0) ide = IdeController(disks=[Parent.disk0, Parent.disk2], @@ -68,10 +69,13 @@ def makeLinuxAlphaSystem(mem_mode, mdesc = None): self.readfile = mdesc.script() self.iobus = Bus(bus_id=0) self.membus = MemBus(bus_id=1) - self.bridge = Bridge(delay='50ns', nack_delay='4ns') + # By default the bridge responds to all addresses above the I/O + # base address (including the PCI config space) + self.bridge = Bridge(delay='50ns', nack_delay='4ns', + ranges = [AddrRange(IO_address_space_base, Addr.max)]) self.physmem = PhysicalMemory(range = AddrRange(mdesc.mem())) - self.bridge.side_a = self.iobus.port - self.bridge.side_b = self.membus.port + self.bridge.master = self.iobus.port + self.bridge.slave = self.membus.port self.physmem.port = self.membus.port self.disk0 = CowIdeDisk(driveID='master') self.disk2 = CowIdeDisk(driveID='master') @@ -146,6 +150,10 @@ def makeLinuxAlphaRubySystem(mem_mode, mdesc = None): return self def makeSparcSystem(mem_mode, mdesc = None): + # Constants from iob.cc and uart8250.cc + iob_man_addr = 0x9800000000 + uart_pio_size = 8 + class CowMmDisk(MmDisk): image = CowDiskImage(child=RawDiskImage(read_only=True), read_only=False) @@ -166,8 +174,8 @@ def makeSparcSystem(mem_mode, mdesc = None): self.t1000.attachIO(self.iobus) self.physmem = PhysicalMemory(range = AddrRange(Addr('1MB'), size = '64MB'), zero = True) self.physmem2 = PhysicalMemory(range = AddrRange(Addr('2GB'), size ='256MB'), zero = True) - self.bridge.side_a = self.iobus.port - self.bridge.side_b = self.membus.port + self.bridge.master = self.iobus.port + self.bridge.slave = self.membus.port self.physmem.port = self.membus.port self.physmem2.port = self.membus.port self.rom.port = self.membus.port @@ -178,6 +186,25 @@ def makeSparcSystem(mem_mode, mdesc = None): self.disk0 = CowMmDisk() self.disk0.childImage(disk('disk.s10hw2')) self.disk0.pio = self.iobus.port + + # The puart0 and hvuart are placed on the IO bus, so create ranges + # for them. The remaining IO range is rather fragmented, so poke + # holes for the iob and partition descriptors etc. + self.bridge.ranges = \ + [ + AddrRange(self.t1000.puart0.pio_addr, + self.t1000.puart0.pio_addr + uart_pio_size - 1), + AddrRange(self.disk0.pio_addr, + self.t1000.fake_jbi.pio_addr + + self.t1000.fake_jbi.pio_size - 1), + AddrRange(self.t1000.fake_clk.pio_addr, + iob_man_addr - 1), + AddrRange(self.t1000.fake_l2_1.pio_addr, + self.t1000.fake_ssi.pio_addr + + self.t1000.fake_ssi.pio_size - 1), + AddrRange(self.t1000.hvuart.pio_addr, + self.t1000.hvuart.pio_addr + uart_pio_size - 1) + ] self.reset_bin = binary('reset_new.bin') self.hypervisor_bin = binary('q_new.bin') self.openboot_bin = binary('openboot_new.bin') @@ -206,8 +233,8 @@ def makeArmSystem(mem_mode, machine_type, mdesc = None, bare_metal=False): self.membus = MemBus(bus_id=1) self.membus.badaddr_responder.warn_access = "warn" self.bridge = Bridge(delay='50ns', nack_delay='4ns') - self.bridge.side_a = self.iobus.port - self.bridge.side_b = self.membus.port + self.bridge.master = self.iobus.port + self.bridge.slave = self.membus.port self.mem_mode = mem_mode @@ -261,7 +288,7 @@ def makeArmSystem(mem_mode, machine_type, mdesc = None, bare_metal=False): self.boot_osflags = boot_flags self.physmem.port = self.membus.port - self.realview.attachOnChipIO(self.membus) + self.realview.attachOnChipIO(self.membus, self.bridge) self.realview.attachIO(self.iobus) self.intrctrl = IntrControl() self.terminal = Terminal() @@ -287,8 +314,8 @@ def makeLinuxMipsSystem(mem_mode, mdesc = None): self.membus = MemBus(bus_id=1) self.bridge = Bridge(delay='50ns', nack_delay='4ns') self.physmem = PhysicalMemory(range = AddrRange('1GB')) - self.bridge.side_a = self.iobus.port - self.bridge.side_b = self.membus.port + self.bridge.master = self.iobus.port + self.bridge.slave = self.membus.port self.physmem.port = self.membus.port self.disk0 = CowIdeDisk(driveID='master') self.disk2 = CowIdeDisk(driveID='master') @@ -316,14 +343,42 @@ def x86IOAddress(port): return IO_address_space_base + port def connectX86ClassicSystem(x86_sys): + # Constants similar to x86_traits.hh + IO_address_space_base = 0x8000000000000000 + pci_config_address_space_base = 0xc000000000000000 + interrupts_address_space_base = 0xa000000000000000 + APIC_range_size = 1 << 12; + x86_sys.membus = MemBus(bus_id=1) x86_sys.physmem.port = x86_sys.membus.port # North Bridge x86_sys.iobus = Bus(bus_id=0) x86_sys.bridge = Bridge(delay='50ns', nack_delay='4ns') - x86_sys.bridge.side_a = x86_sys.iobus.port - x86_sys.bridge.side_b = x86_sys.membus.port + x86_sys.bridge.master = x86_sys.iobus.port + x86_sys.bridge.slave = x86_sys.membus.port + # Allow the bridge to pass through the IO APIC (two pages), + # everything in the IO address range up to the local APIC, and + # then the entire PCI address space and beyond + x86_sys.bridge.ranges = \ + [ + AddrRange(x86_sys.pc.south_bridge.io_apic.pio_addr, + x86_sys.pc.south_bridge.io_apic.pio_addr + + APIC_range_size - 1), + AddrRange(IO_address_space_base, + interrupts_address_space_base - 1), + AddrRange(pci_config_address_space_base, + Addr.max) + ] + + # Create a bridge from the IO bus to the memory bus to allow access to + # the local APIC (two pages) + x86_sys.iobridge = Bridge(delay='50ns', nack_delay='4ns') + x86_sys.iobridge.slave = x86_sys.iobus.port + x86_sys.iobridge.master = x86_sys.membus.port + x86_sys.iobridge.ranges = [AddrRange(interrupts_address_space_base, + interrupts_address_space_base + + APIC_range_size - 1)] # connect the io bus x86_sys.pc.attachIO(x86_sys.iobus) |