diff options
Diffstat (limited to 'configs')
| -rw-r--r-- | configs/common/FSConfig.py | 39 | ||||
| -rw-r--r-- | configs/example/fs.py | 74 |
2 files changed, 112 insertions, 1 deletions
diff --git a/configs/common/FSConfig.py b/configs/common/FSConfig.py index 78be4fc3a..ea6e52775 100644 --- a/configs/common/FSConfig.py +++ b/configs/common/FSConfig.py @@ -52,7 +52,7 @@ def makeLinuxAlphaSystem(mem_mode, mdesc = None): self.iobus = Bus(bus_id=0) self.membus = Bus(bus_id=1) self.bridge = Bridge(delay='50ns', nack_delay='4ns') - self.physmem = PhysicalMemory(range = AddrRange(mdesc.mem())) + self.physmem = PhysicalMemory(range = AddrRange('64MB')) self.bridge.side_a = self.iobus.port self.bridge.side_b = self.membus.port self.physmem.port = self.membus.port @@ -118,6 +118,43 @@ def makeSparcSystem(mem_mode, mdesc = None): return self +def makeLinuxMipsSystem(mem_mode, mdesc = None): + class BaseMalta(Malta): + ethernet = NSGigE(pci_bus=0, pci_dev=1, pci_func=0) + ide = IdeController(disks=[Parent.disk0, Parent.disk2], + pci_func=0, pci_dev=0, pci_bus=0) + + self = LinuxMipsSystem() + if not mdesc: + # generic system + mdesc = SysConfig() + self.readfile = mdesc.script() + self.iobus = Bus(bus_id=0) + self.membus = Bus(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.physmem.port = self.membus.port + self.disk0 = CowIdeDisk(driveID='master') + self.disk2 = CowIdeDisk(driveID='master') + self.disk0.childImage(mdesc.disk()) + self.disk2.childImage(disk('linux-bigswap2.img')) + self.malta = BaseMalta() + self.malta.attachIO(self.iobus) + self.malta.ide.pio = self.iobus.port + self.malta.ethernet.pio = self.iobus.port + self.simple_disk = SimpleDisk(disk=RawDiskImage(image_file = mdesc.disk(), + read_only = True)) + self.intrctrl = IntrControl() + self.mem_mode = mem_mode + self.sim_console = SimConsole() + self.kernel = binary('mips/vmlinux') + self.console = binary('mips/console') + self.boot_osflags = 'root=/dev/hda1 console=ttyS0' + + return self + def makeX86System(mem_mode, mdesc = None): self = X86System() if not mdesc: diff --git a/configs/example/fs.py b/configs/example/fs.py index 74ee875a3..0ac05338f 100644 --- a/configs/example/fs.py +++ b/configs/example/fs.py @@ -97,6 +97,8 @@ else: if m5.build_env['TARGET_ISA'] == "alpha": test_sys = makeLinuxAlphaSystem(test_mem_mode, bm[0]) +elif m5.build_env['TARGET_ISA'] == "mips": + test_sys = makeLinuxMipsSystem(test_mem_mode, bm[0]) elif m5.build_env['TARGET_ISA'] == "sparc": test_sys = makeSparcSystem(test_mem_mode, bm[0]) elif m5.build_env['TARGET_ISA'] == "x86": @@ -140,9 +142,81 @@ for i in xrange(np): if options.fastmem: test_sys.cpu[i].physmem_port = test_sys.physmem.port +if m5.build_env['TARGET_ISA'] == 'mips': + #CP0 Configuration + TestCPUClass.CP0_PRId_CompanyOptions = 0 + TestCPUClass.CP0_PRId_CompanyID = 1 + TestCPUClass.CP0_PRId_ProcessorID = 147 + TestCPUClass.CP0_PRId_Revision = 0 + + #CP0 Interrupt Control + TestCPUClass.CP0_IntCtl_IPTI = 7 + TestCPUClass.CP0_IntCtl_IPPCI = 7 + + # Config Register + #TestCPUClass.CP0_Config_K23 = 0 # Since TLB + #TestCPUClass.CP0_Config_KU = 0 # Since TLB + TestCPUClass.CP0_Config_BE = 0 # Little Endian + TestCPUClass.CP0_Config_AR = 1 # Architecture Revision 2 + TestCPUClass.CP0_Config_AT = 0 # MIPS32 + TestCPUClass.CP0_Config_MT = 1 # TLB MMU + #TestCPUClass.CP0_Config_K0 = 2 # Uncached + + #Config 1 Register + TestCPUClass.CP0_Config1_M = 1 # Config2 Implemented + TestCPUClass.CP0_Config1_MMU = 63 # TLB Size + # ***VERY IMPORTANT*** + # Remember to modify CP0_Config1 according to cache specs + # Examine file ../common/Cache.py + TestCPUClass.CP0_Config1_IS = 1 # I-Cache Sets Per Way, 16KB cache, i.e., 1 (128) + TestCPUClass.CP0_Config1_IL = 5 # I-Cache Line Size, default in Cache.py is 64, i.e 5 + TestCPUClass.CP0_Config1_IA = 1 # I-Cache Associativity, default in Cache.py is 2, i.e, a value of 1 + TestCPUClass.CP0_Config1_DS = 2 # D-Cache Sets Per Way (see below), 32KB cache, i.e., 2 + TestCPUClass.CP0_Config1_DL = 5 # D-Cache Line Size, default is 64, i.e., 5 + TestCPUClass.CP0_Config1_DA = 1 # D-Cache Associativity, default is 2, i.e. 1 + TestCPUClass.CP0_Config1_C2 = 0 # Coprocessor 2 not implemented(?) + TestCPUClass.CP0_Config1_MD = 0 # MDMX ASE not implemented in Mips32 + TestCPUClass.CP0_Config1_PC = 1 # Performance Counters Implemented + TestCPUClass.CP0_Config1_WR = 0 # Watch Registers Implemented + TestCPUClass.CP0_Config1_CA = 0 # Mips16e NOT implemented + TestCPUClass.CP0_Config1_EP = 0 # EJTag Not Implemented + TestCPUClass.CP0_Config1_FP = 0 # FPU Implemented + + #Config 2 Register + TestCPUClass.CP0_Config2_M = 1 # Config3 Implemented + TestCPUClass.CP0_Config2_TU = 0 # Tertiary Cache Control + TestCPUClass.CP0_Config2_TS = 0 # Tertiary Cache Sets Per Way + TestCPUClass.CP0_Config2_TL = 0 # Tertiary Cache Line Size + TestCPUClass.CP0_Config2_TA = 0 # Tertiary Cache Associativity + TestCPUClass.CP0_Config2_SU = 0 # Secondary Cache Control + TestCPUClass.CP0_Config2_SS = 0 # Secondary Cache Sets Per Way + TestCPUClass.CP0_Config2_SL = 0 # Secondary Cache Line Size + TestCPUClass.CP0_Config2_SA = 0 # Secondary Cache Associativity + + + #Config 3 Register + TestCPUClass.CP0_Config3_M = 0 # Config4 Not Implemented + TestCPUClass.CP0_Config3_DSPP = 1 # DSP ASE Present + TestCPUClass.CP0_Config3_LPA = 0 # Large Physical Addresses Not supported in Mips32 + TestCPUClass.CP0_Config3_VEIC = 0 # EIC Supported + TestCPUClass.CP0_Config3_VInt = 0 # Vectored Interrupts Implemented + TestCPUClass.CP0_Config3_SP = 0 # Small Pages Supported (PageGrain reg. exists) + TestCPUClass.CP0_Config3_MT = 0 # MT Not present + TestCPUClass.CP0_Config3_SM = 0 # SmartMIPS ASE Not implemented + TestCPUClass.CP0_Config3_TL = 0 # TraceLogic Not implemented + + #SRS Ctl - HSS + TestCPUClass.CP0_SrsCtl_HSS = 3 # Four shadow register sets implemented + + + #TestCPUClass.tlb = TLB() + #TestCPUClass.UnifiedTLB = 1 + if len(bm) == 2: if m5.build_env['TARGET_ISA'] == 'alpha': drive_sys = makeLinuxAlphaSystem(drive_mem_mode, bm[1]) + elif m5.build_env['TARGET_ISA'] == 'mips': + drive_sys = makeLinuxMipsSystem(drive_mem_mode, bm[1]) elif m5.build_env['TARGET_ISA'] == 'sparc': drive_sys = makeSparcSystem(drive_mem_mode, bm[1]) elif m5.build.env['TARGET_ISA'] == 'x86': |