sanchayanmaity/gem5
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

ARM: Implement some 32 bit thumb data processing immediate instructions.

Browse source
This commit is contained in:
Gabe Black 2010-06-02 12:58:00 -05:00
parent bd8812cf99
commit 0d4c4cacab
1 changed files with 48 additions and 16 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

64
src/arch/arm/isa/thumbdecode.isa
View file

@ -314,40 +314,72 @@
0x0: decode HTOPCODE_8_5 {
0x0: decode LTRD {
0xf: decode HTS {
0x1: WarnUnimpl::tst(); // mod imm
0x1: DataModImmOp::tst({{
resTemp = Rn & rotated_imm;
}});
}
default: WarnUnimpl::and(); // mod imm
default: DataModImmOp::and({{
Rs = resTemp = Rn & rotated_imm;
}});
}
0x1: WarnUnimpl::bic(); // mod imm
0x1: DataModImmOp::bic({{
Rs = resTemp = Rn & ~rotated_imm;
}});
0x2: decode HTRN {
0xf: WarnUnimpl::mov(); // mod imm
default: WarnUnimpl::orr(); // mod imm
0xf: DataModImmOp::mov({{
Rs = resTemp = rotated_imm;
}});
default: DataModImmOp::orr({{
Rs = resTemp = Rn | rotated_imm;
}});
}
0x3: decode HTRN {
0xf: WarnUnimpl::mvn(); // mod imm
default: WarnUnimpl::orn(); // mod imm
0xf: DataModImmOp::mvn({{
Rs = resTemp = ~rotated_imm;
}});
default: DataModImmOp::orn({{
Rs = resTemp = Rn | ~rotated_imm;
}});
}
0x4: decode LTRD {
0xf: decode HTS {
0x1: WarnUnimpl::teq(); // mod imm
0x1: DataModImmOp::teq({{
resTemp = Rn ^ rotated_imm;
}});
}
default: WarnUnimpl::eor(); // mod imm
default: DataModImmOp::eor({{
Rs = resTemp = Rn ^ rotated_imm;
}});
}
0x8: decode LTRD {
0xf: decode HTS {
0x1: WarnUnimpl::cmn(); // mod imm
0x1: DataModImmOp::cmn({{
resTemp = Rn + rotated_imm;
}}, add);
}
default: WarnUnimpl::add(); // mod imm
default: DataModImmOp::add({{
Rs = resTemp = Rn + rotated_imm;
}}, add);
}
0xa: WarnUnimpl::adc(); // mod imm
0xb: WarnUnimpl::sbc(); // mod imm
0xa: DataModImmOp::adc({{
Rs = resTemp = Rn + rotated_imm + CondCodes<29:>;
}}, add);
0xb: DataModImmOp::sbc({{
Rs = resTemp = Rn - rotated_imm - !CondCodes<29:>;
}}, sub);
0xd: decode LTRD {
0xf: decode HTS {
0x1: WarnUnimpl::cmp(); // mod imm
0x1: DataModImmOp::cmp({{
resTemp = Rn - rotated_imm;
}}, sub);
}
default: WarnUnimpl::sub(); // mod imm
default: DataModImmOp::sub({{
Rs = resTemp = Rn - rotated_imm;
}}, sub);
}
0xe: WarnUnimpl::rsb(); // mod imm
0xe: DataModImmOp::rsb({{
Rs = resTemp = rotated_imm - Rn;
}}, rsb);
}
0x1: WarnUnimpl::Data_processing_plain_binary_immediate();
}