From 59e3585a84ef172eba57c9936680c0248f9a97db Mon Sep 17 00:00:00 2001 From: "yuetsu.kodama" Date: Sat, 20 Oct 2018 11:58:54 +0900 Subject: arch-arm: We add PRFM PST instruction for arm Note current PRFM supports only PLD, but PST (prefetch for store) is also important for latency hiding. We also bug fix in disassembler to display prfop correctly. Change-Id: I9144e7233900aa2d555e1c1a6a2c2e41d837aa13 Signed-off-by: Yuetsu Kodama Reviewed-on: https://gem5-review.googlesource.com/c/13675 Reviewed-by: Jason Lowe-Power Reviewed-by: Nikos Nikoleris Reviewed-by: Giacomo Travaglini Maintainer: Andreas Sandberg --- src/arch/arm/insts/static_inst.cc | 10 ++++++++++ 1 file changed, 10 insertions(+) (limited to 'src/arch/arm/insts/static_inst.cc') diff --git a/src/arch/arm/insts/static_inst.cc b/src/arch/arm/insts/static_inst.cc index bd6f11521..f245cd4f0 100644 --- a/src/arch/arm/insts/static_inst.cc +++ b/src/arch/arm/insts/static_inst.cc @@ -324,6 +324,16 @@ ArmStaticInst::printIntReg(std::ostream &os, RegIndex reg_idx) const } } +void ArmStaticInst::printPFflags(std::ostream &os, int flag) const +{ + const char *flagtoprfop[]= { "PLD", "PLI", "PST", "Reserved"}; + const char *flagtotarget[] = { "L1", "L2", "L3", "Reserved"}; + const char *flagtopolicy[] = { "KEEP", "STRM"}; + + ccprintf(os, "%s%s%s", flagtoprfop[(flag>>3)&3], + flagtotarget[(flag>>1)&3], flagtopolicy[flag&1]); +} + void ArmStaticInst::printFloatReg(std::ostream &os, RegIndex reg_idx) const { -- cgit v1.2.3