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

ARM: Decode pkh instructions.

Browse source
This commit is contained in:
Gabe Black 2010-06-02 12:58:07 -05:00
parent 9ffc5e2ae6
commit f581fd3f89
1 changed files with 12 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

14
src/arch/arm/isa/formats/data.isa
View file

@ -140,7 +140,13 @@ def format ArmPackUnpackSatReverse() {{
const ArmShiftType type =
(ArmShiftType)(uint32_t)bits(machInst, 6, 5);
if (op1 == 0) {
return new WarnUnimplemented("pkh", machInst);
if (type) {
return new PkhtbReg(machInst, rd, (IntRegIndex)a,
rn, imm, type);
} else {
return new PkhbtReg(machInst, rd, (IntRegIndex)a,
rn, imm, type);
}
} else if (bits(op1, 2, 1) == 1) {
return new Ssat(machInst, rd, satImm + 1, rn, imm, type);
} else if (bits(op1, 2, 1) == 3) {
@ -1284,7 +1290,11 @@ def format Thumb32DataProcShiftReg() {{
%(eor)s
}
case 0x6:
return new WarnUnimplemented("pkh", machInst);
if (type) {
return new PkhtbReg(machInst, rd, rn, rm, amt, type);
} else {
return new PkhbtReg(machInst, rd, rn, rm, amt, type);
}
case 0x8:
if (rd == INTREG_PC) {
%(cmn)s