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2018-12-20arch, cpu: Remove float type accessors.Gabe Black
Use the binary accessors instead. Change-Id: Iff1877e92c79df02b3d13635391a8c2f025776a2 Reviewed-on: https://gem5-review.googlesource.com/c/14457 Reviewed-by: Giacomo Travaglini <giacomo.travaglini@arm.com> Maintainer: Gabe Black <gabeblack@google.com>
2018-10-01arch-arm: Implement AArch64 ID_AA64MMFR2_EL1 registerGiacomo Travaglini
This patch implements AArch64 Memory Model Feature Register 2 (from ARMv8.2) Change-Id: I16d9acaf620fac6d1206e208bd143daec1657daf Signed-off-by: Giacomo Travaglini <giacomo.travaglini@arm.com> Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com> Reviewed-on: https://gem5-review.googlesource.com/13066 Maintainer: Andreas Sandberg <andreas.sandberg@arm.com>
2018-06-11misc: Using smart pointers for memory RequestsGiacomo Travaglini
This patch is changing the underlying type for RequestPtr from Request* to shared_ptr<Request>. Having memory requests being managed by smart pointers will simplify the code; it will also prevent memory leakage and dangling pointers. Change-Id: I7749af38a11ac8eb4d53d8df1252951e0890fde3 Signed-off-by: Giacomo Travaglini <giacomo.travaglini@arm.com> Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com> Reviewed-on: https://gem5-review.googlesource.com/10996 Reviewed-by: Nikos Nikoleris <nikos.nikoleris@arm.com> Maintainer: Nikos Nikoleris <nikos.nikoleris@arm.com>
2018-04-06arch-arm: Add support for Tarmac trace generationGiacomo Travaglini
This patch introduces the TarmacTracer: an instruction tracer which allows to dump a gem5 execution trace in Tarmac format [1]. The new tracer is supporting either Tarmac and TarmacV8 format specifications. Not every traceable information has been implemented: Implemented Trace Type: Instruction Trace Register Trace Processor Memory Access Trace Unimplemented Trace Type: Program Flow Trace Event Trace Memory Bus Trace [1]: https://developer.arm.com/docs/dui0845/f/tarmac-trace-file-format Change-Id: I8799d8e5852e868673f728971db3fe8c63961f5e Signed-off-by: Giacomo Travaglini <giacomo.travaglini@arm.com> Reviewed-on: https://gem5-review.googlesource.com/9382 Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com> Maintainer: Andreas Sandberg <andreas.sandberg@arm.com>
2018-04-06arch-arm: Add support for Tarmac trace-based simulationGiacomo Travaglini
A new InstTracer (TarmacParser) has been implemented. This tracer is parsing a pre-existing Tarmac trace file [1] while gem5 is running; it is comparing execution data together with trace data and it is dumping differences. This allows to use Tarmac format as a glue between heterogeneous simuators speaking the same Tarmac language. Kudos to Giacomo Gabrielli for writing the original tracer. [1]: https://developer.arm.com/docs/dui0845/f/tarmac-trace-file-format Change-Id: I9b92204a149813166166adba4a7c61a248bdcac3 Signed-off-by: Giacomo Travaglini <giacomo.travaglini@arm.com> Reviewed-on: https://gem5-review.googlesource.com/9381 Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com> Maintainer: Andreas Sandberg <andreas.sandberg@arm.com>