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Diffstat (limited to 'src/arch/arm/process.cc')
| -rw-r--r-- | src/arch/arm/process.cc | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/src/arch/arm/process.cc b/src/arch/arm/process.cc index e7748ad50..e8dda1af0 100644 --- a/src/arch/arm/process.cc +++ b/src/arch/arm/process.cc @@ -78,6 +78,18 @@ ArmLiveProcess::startup() { LiveProcess::startup(); argsInit(MachineBytes, VMPageSize); + for (int i = 0; i < contextIds.size(); i++) { + ThreadContext * tc = system->getThreadContext(contextIds[i]); + CPACR cpacr = tc->readMiscReg(MISCREG_CPACR); + // Enable the floating point coprocessors. + cpacr.cp10 = 0x3; + cpacr.cp11 = 0x3; + tc->setMiscReg(MISCREG_CPACR, cpacr); + // Generically enable floating point support. + FPEXC fpexc = tc->readMiscReg(MISCREG_FPEXC); + fpexc.en = 1; + tc->setMiscReg(MISCREG_FPEXC, fpexc); + } } void |