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ARM: Implement DBG instruction that doesn't do much for now.

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This commit is contained in:
Gene Wu 2010-08-23 11:18:41 -05:00
parent d6736384b2
commit a02d82f9f8
2 changed files with 10 additions and 1 deletions
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2
src/arch/arm/isa/formats/branch.isa
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@ -166,7 +166,7 @@ def format Thumb32BranchesAndMiscCtrl() {{
((enable ? 1 : 0) << 9);
return new Cps(machInst, mods);
} else if ((op2 & 0xf0) == 0xf0) {
return new WarnUnimplemented("dbg", machInst);
return new Dbg(machInst);
} else {
switch (op2) {
case 0x0:

9
src/arch/arm/isa/insts/misc.isa
View file

@ -708,6 +708,15 @@ let {{
decoder_output += BasicConstructor.subst(dmbIop)
exec_output += PredOpExecute.subst(dmbIop)
dbgCode = '''
'''
dbgIop = InstObjParams("dbg", "Dbg", "PredOp",
{"code": dbgCode,
"predicate_test": predicateTest})
header_output += BasicDeclare.subst(dbgIop)
decoder_output += BasicConstructor.subst(dbgIop)
exec_output += PredOpExecute.subst(dbgIop)
cpsCode = '''
uint32_t mode = bits(imm, 4, 0);
uint32_t f = bits(imm, 5);