| SConstruct (12034:4b685699cdaa) | SConstruct (12056:1ad5b3161819) |
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| 1# -*- mode:python -*- 2 3# Copyright (c) 2013, 2015, 2016 ARM Limited 4# All rights reserved. 5# 6# The license below extends only to copyright in the software and shall 7# not be construed as granting a license to any other intellectual 8# property including but not limited to intellectual property relating --- 1087 unchanged lines hidden (view full) --- 1096# we rely on exists since version 2.6.36 of the kernel, but somehow 1097# the KVM_API_VERSION does not reflect the change. We test for one of 1098# the types as a fall back. 1099have_kvm = conf.CheckHeader('linux/kvm.h', '<>') 1100if not have_kvm: 1101 print "Info: Compatible header file <linux/kvm.h> not found, " \ 1102 "disabling KVM support." 1103 | 1# -*- mode:python -*- 2 3# Copyright (c) 2013, 2015, 2016 ARM Limited 4# All rights reserved. 5# 6# The license below extends only to copyright in the software and shall 7# not be construed as granting a license to any other intellectual 8# property including but not limited to intellectual property relating --- 1087 unchanged lines hidden (view full) --- 1096# we rely on exists since version 2.6.36 of the kernel, but somehow 1097# the KVM_API_VERSION does not reflect the change. We test for one of 1098# the types as a fall back. 1099have_kvm = conf.CheckHeader('linux/kvm.h', '<>') 1100if not have_kvm: 1101 print "Info: Compatible header file <linux/kvm.h> not found, " \ 1102 "disabling KVM support." 1103 |
| 1104# Check if the TUN/TAP driver is available. 1105have_tuntap = conf.CheckHeader('linux/if_tun.h', '<>') 1106if not have_tuntap: 1107 print "Info: Compatible header file <linux/if_tun.h> not found." 1108 |
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| 1104# x86 needs support for xsave. We test for the structure here since we 1105# won't be able to run new tests by the time we know which ISA we're 1106# targeting. 1107have_kvm_xsave = conf.CheckTypeSize('struct kvm_xsave', 1108 '#include <linux/kvm.h>') != 0 1109 1110# Check if the requested target ISA is compatible with the host 1111def is_isa_kvm_compatible(isa): --- 116 unchanged lines hidden (view full) --- 1228 False), 1229 BoolVariable('USE_SSE2', 1230 'Compile for SSE2 (-msse2) to get IEEE FP on x86 hosts', 1231 False), 1232 BoolVariable('USE_POSIX_CLOCK', 'Use POSIX Clocks', have_posix_clock), 1233 BoolVariable('USE_FENV', 'Use <fenv.h> IEEE mode control', have_fenv), 1234 BoolVariable('CP_ANNOTATE', 'Enable critical path annotation capability', False), 1235 BoolVariable('USE_KVM', 'Enable hardware virtualized (KVM) CPU models', have_kvm), | 1109# x86 needs support for xsave. We test for the structure here since we 1110# won't be able to run new tests by the time we know which ISA we're 1111# targeting. 1112have_kvm_xsave = conf.CheckTypeSize('struct kvm_xsave', 1113 '#include <linux/kvm.h>') != 0 1114 1115# Check if the requested target ISA is compatible with the host 1116def is_isa_kvm_compatible(isa): --- 116 unchanged lines hidden (view full) --- 1233 False), 1234 BoolVariable('USE_SSE2', 1235 'Compile for SSE2 (-msse2) to get IEEE FP on x86 hosts', 1236 False), 1237 BoolVariable('USE_POSIX_CLOCK', 'Use POSIX Clocks', have_posix_clock), 1238 BoolVariable('USE_FENV', 'Use <fenv.h> IEEE mode control', have_fenv), 1239 BoolVariable('CP_ANNOTATE', 'Enable critical path annotation capability', False), 1240 BoolVariable('USE_KVM', 'Enable hardware virtualized (KVM) CPU models', have_kvm), |
| 1241 BoolVariable('USE_TUNTAP', 1242 'Enable using a tap device to bridge to the host network', 1243 have_tuntap), |
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| 1236 BoolVariable('BUILD_GPU', 'Build the compute-GPU model', False), 1237 EnumVariable('PROTOCOL', 'Coherence protocol for Ruby', 'None', 1238 all_protocols), 1239 EnumVariable('BACKTRACE_IMPL', 'Post-mortem dump implementation', 1240 backtrace_impls[-1], backtrace_impls) 1241 ) 1242 1243# These variables get exported to #defines in config/*.hh (see src/SConscript). --- 228 unchanged lines hidden (view full) --- 1472 if not have_kvm: 1473 print "Warning: Can not enable KVM, host seems to lack KVM support" 1474 env['USE_KVM'] = False 1475 elif not is_isa_kvm_compatible(env['TARGET_ISA']): 1476 print "Info: KVM support disabled due to unsupported host and " \ 1477 "target ISA combination" 1478 env['USE_KVM'] = False 1479 | 1244 BoolVariable('BUILD_GPU', 'Build the compute-GPU model', False), 1245 EnumVariable('PROTOCOL', 'Coherence protocol for Ruby', 'None', 1246 all_protocols), 1247 EnumVariable('BACKTRACE_IMPL', 'Post-mortem dump implementation', 1248 backtrace_impls[-1], backtrace_impls) 1249 ) 1250 1251# These variables get exported to #defines in config/*.hh (see src/SConscript). --- 228 unchanged lines hidden (view full) --- 1480 if not have_kvm: 1481 print "Warning: Can not enable KVM, host seems to lack KVM support" 1482 env['USE_KVM'] = False 1483 elif not is_isa_kvm_compatible(env['TARGET_ISA']): 1484 print "Info: KVM support disabled due to unsupported host and " \ 1485 "target ISA combination" 1486 env['USE_KVM'] = False 1487 |
| 1488 if env['USE_TUNTAP']: 1489 if not have_tuntap: 1490 print "Warning: Can't connect EtherTap with a tap device." 1491 env['USE_TUNTAP'] = False 1492 |
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| 1480 if env['BUILD_GPU']: 1481 env.Append(CPPDEFINES=['BUILD_GPU']) 1482 1483 # Warn about missing optional functionality 1484 if env['USE_KVM']: 1485 if not main['HAVE_PERF_ATTR_EXCLUDE_HOST']: 1486 print "Warning: perf_event headers lack support for the " \ 1487 "exclude_host attribute. KVM instruction counts will " \ --- 45 unchanged lines hidden --- | 1493 if env['BUILD_GPU']: 1494 env.Append(CPPDEFINES=['BUILD_GPU']) 1495 1496 # Warn about missing optional functionality 1497 if env['USE_KVM']: 1498 if not main['HAVE_PERF_ATTR_EXCLUDE_HOST']: 1499 print "Warning: perf_event headers lack support for the " \ 1500 "exclude_host attribute. KVM instruction counts will " \ --- 45 unchanged lines hidden --- |