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-rw-r--r--arch/sparc/isa/formats/priv.isa88
1 files changed, 25 insertions, 63 deletions
diff --git a/arch/sparc/isa/formats/priv.isa b/arch/sparc/isa/formats/priv.isa
index 162ad5ee0..f9fea01f2 100644
--- a/arch/sparc/isa/formats/priv.isa
+++ b/arch/sparc/isa/formats/priv.isa
@@ -50,7 +50,7 @@ output header {{
{
}
- uint32_t imm;
+ int32_t imm;
};
/**
@@ -66,7 +66,7 @@ output header {{
{
}
- uint32_t imm;
+ int32_t imm;
};
}};
@@ -91,35 +91,8 @@ def template PrivExecute {{
%(op_decl)s;
%(op_rd)s;
- //Since these are processed inside templates and not in codeblocks,
- //They aren't translated by the isa_parser. Their names begin with
- //underscores so they don't cause conflicts.
- uint32_t _PstatePriv = xc->readMiscReg(MISCREG_PSTATE_PRIV);
-
//If the processor isn't in privileged mode, fault out right away
- if(!_PstatePriv)
- return new PrivilegedOpcode;
-
- %(code)s;
- %(op_wb)s;
- return NoFault;
- }
-}};
-
-def template PrivTickExecute {{
- Fault %(class_name)s::execute(%(CPU_exec_context)s *xc,
- Trace::InstRecord *traceData) const
- {
- %(op_decl)s;
- %(op_rd)s;
-
- //Since these are processed inside templates and not in codeblocks,
- //They aren't translated by the isa_parser. Their names begin with
- //underscores so they don't cause conflicts.
- uint32_t _PstatePriv = xc->readMiscReg(MISCREG_PSTATE_PRIV);
- uint32_t _TickNpt = xc->readMiscReg(MISCREG_TICK_NPT);
- //If the processor isn't in privileged mode, fault out right away
- if(!_PstatePriv && _TickNpt)
+ if(%(check)s)
return new PrivilegedAction;
%(code)s;
@@ -128,50 +101,39 @@ def template PrivTickExecute {{
}
}};
-// Primary format for integer operate instructions:
-def format Priv(code, *opt_flags) {{
- uses_imm = (code.find('Rs2_or_imm13') != -1)
- if uses_imm:
- orig_code = code
- code = re.sub(r'Rs2_or_imm13', 'Rs2', orig_code)
- imm_code = re.sub(r'Rs2_or_imm13(\.\w+)?', 'imm', orig_code)
- cblk = CodeBlock(code)
- iop = InstObjParams(name, Name, 'Priv', cblk, opt_flags)
+let {{
+ def doPrivFormat(code, checkCode, name, Name, opt_flags):
+ (usesImm, code, immCode,
+ rString, iString) = splitOutImm(code)
+ iop = InstObjParams(name, Name, 'Priv', code,
+ opt_flags, ("check", checkCode))
header_output = BasicDeclare.subst(iop)
decoder_output = BasicConstructor.subst(iop)
exec_output = PrivExecute.subst(iop)
- if uses_imm:
- imm_cblk = CodeBlock(imm_code)
- imm_iop = InstObjParams(name, Name + 'Imm', 'PrivImm', imm_cblk,
- opt_flags)
+ if usesImm:
+ imm_iop = InstObjParams(name, Name + 'Imm', 'PrivImm',
+ immCode, opt_flags, ("check", checkCode))
header_output += BasicDeclare.subst(imm_iop)
decoder_output += BasicConstructor.subst(imm_iop)
exec_output += PrivExecute.subst(imm_iop)
decode_block = ROrImmDecode.subst(iop)
else:
decode_block = BasicDecode.subst(iop)
+ return (header_output, decoder_output, exec_output, decode_block)
+}};
+
+// Primary format for integer operate instructions:
+def format Priv(code, *opt_flags) {{
+ checkCode = "(!PstatePriv)"
+ (header_output, decoder_output,
+ exec_output, decode_block) = doPrivFormat(code,
+ checkCode, name, Name, opt_flags)
}};
// Primary format for integer operate instructions:
def format PrivTick(code, *opt_flags) {{
- uses_imm = (code.find('Rs2_or_imm13') != -1)
- if uses_imm:
- orig_code = code
- code = re.sub(r'Rs2_or_imm13', 'Rs2', orig_code)
- imm_code = re.sub(r'Rs2_or_imm13(\.\w+)?', 'imm', orig_code)
- cblk = CodeBlock(code)
- iop = InstObjParams(name, Name, 'PrivTick', cblk, opt_flags)
- header_output = BasicDeclare.subst(iop)
- decoder_output = BasicConstructor.subst(iop)
- exec_output = PrivTickExecute.subst(iop)
- if uses_imm:
- imm_cblk = CodeBlock(imm_code)
- imm_iop = InstObjParams(name, Name + 'Imm', 'PrivTickImm', imm_cblk,
- opt_flags)
- header_output += BasicDeclare.subst(imm_iop)
- decoder_output += BasicConstructor.subst(imm_iop)
- exec_output += PrivTickExecute.subst(imm_iop)
- decode_block = Rb2OrImmDecode.subst(iop)
- else:
- decode_block = BasicDecode.subst(iop)
+ checkCode = "(!PstatePriv && TickNpt)"
+ (header_output, decoder_output,
+ exec_output, decode_block) = doPrivFormat(code,
+ checkCode, name, Name, opt_flags)
}};