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-rw-r--r--arch/sparc/isa/formats/branch.isa23
-rw-r--r--arch/sparc/isa/formats/integerop.isa31
-rw-r--r--arch/sparc/isa/formats/mem.isa11
3 files changed, 57 insertions, 8 deletions
diff --git a/arch/sparc/isa/formats/branch.isa b/arch/sparc/isa/formats/branch.isa
index b76f7a9f6..37bdb9402 100644
--- a/arch/sparc/isa/formats/branch.isa
+++ b/arch/sparc/isa/formats/branch.isa
@@ -194,7 +194,7 @@ output decoder {{
{
ccprintf(response, " <%s", symbol);
if(symbolAddr != target)
- ccprintf(response, "+0x%x>", target - symbolAddr);
+ ccprintf(response, "+%d>", target - symbolAddr);
else
ccprintf(response, ">");
}
@@ -226,8 +226,25 @@ def template BranchExecute {{
}
}};
+let {{
+ handle_annul = '''
+ {
+ if(A)
+ {
+ NPC = xc->readNextNPC();
+ NNPC = NPC + 4;
+ }
+ else
+ {
+ NPC = xc->readNextPC();
+ NNPC = xc->readNextNPC();
+ }
+ }'''
+}};
+
// Primary format for branch instructions:
def format Branch(code, *opt_flags) {{
+ code = re.sub(r'handle_annul', handle_annul, code)
(usesImm, code, immCode,
rString, iString) = splitOutImm(code)
iop = InstObjParams(name, Name, 'Branch', code, opt_flags)
@@ -247,6 +264,7 @@ def format Branch(code, *opt_flags) {{
// Primary format for branch instructions:
def format Branch19(code, *opt_flags) {{
+ code = re.sub(r'handle_annul', handle_annul, code)
codeBlk = CodeBlock(code)
iop = InstObjParams(name, Name, 'Branch19', codeBlk, opt_flags)
header_output = BasicDeclare.subst(iop)
@@ -257,6 +275,7 @@ def format Branch19(code, *opt_flags) {{
// Primary format for branch instructions:
def format Branch22(code, *opt_flags) {{
+ code = re.sub(r'handle_annul', handle_annul, code)
codeBlk = CodeBlock(code)
iop = InstObjParams(name, Name, 'Branch22', codeBlk, opt_flags)
header_output = BasicDeclare.subst(iop)
@@ -267,6 +286,7 @@ def format Branch22(code, *opt_flags) {{
// Primary format for branch instructions:
def format Branch30(code, *opt_flags) {{
+ code = re.sub(r'handle_annul', handle_annul, code)
codeBlk = CodeBlock(code)
iop = InstObjParams(name, Name, 'Branch30', codeBlk, opt_flags)
header_output = BasicDeclare.subst(iop)
@@ -277,6 +297,7 @@ def format Branch30(code, *opt_flags) {{
// Primary format for branch instructions:
def format BranchSplit(code, *opt_flags) {{
+ code = re.sub(r'handle_annul', handle_annul, code)
codeBlk = CodeBlock(code)
iop = InstObjParams(name, Name, 'BranchSplit', codeBlk, opt_flags)
header_output = BasicDeclare.subst(iop)
diff --git a/arch/sparc/isa/formats/integerop.isa b/arch/sparc/isa/formats/integerop.isa
index 401af2e51..881154b67 100644
--- a/arch/sparc/isa/formats/integerop.isa
+++ b/arch/sparc/isa/formats/integerop.isa
@@ -62,6 +62,21 @@ output header {{
};
/**
+ * Base class for 11 bit immediate integer operations.
+ */
+ class IntOpImm11 : public IntOpImm
+ {
+ protected:
+ // Constructor
+ IntOpImm11(const char *mnem, ExtMachInst _machInst,
+ OpClass __opClass) :
+ IntOpImm(mnem, _machInst, __opClass)
+ {
+ imm = sign_ext(SIMM11, 11);
+ }
+ };
+
+ /**
* Base class for 13 bit immediate integer operations.
*/
class IntOpImm13 : public IntOpImm
@@ -271,14 +286,22 @@ let {{
return (header_output, decoder_output, exec_output, decode_block)
calcCcCode = '''
- CcrIccN = (Rd >> 63) & 1;
- CcrIccZ = (Rd == 0);
- CcrXccN = (Rd >> 31) & 1;
- CcrXccZ = ((Rd & 0xFFFFFFFF) == 0);
+ CcrIccN = (Rd >> 31) & 1;
+ CcrIccZ = ((Rd & 0xFFFFFFFF) == 0);
+ CcrXccN = (Rd >> 63) & 1;
+ CcrXccZ = (Rd == 0);
CcrIccV = %(ivValue)s;
CcrIccC = %(icValue)s;
CcrXccV = %(xvValue)s;
CcrXccC = %(xcValue)s;
+ DPRINTF(Sparc, "in = %%d\\n", CcrIccN);
+ DPRINTF(Sparc, "iz = %%d\\n", CcrIccZ);
+ DPRINTF(Sparc, "xn = %%d\\n", CcrXccN);
+ DPRINTF(Sparc, "xz = %%d\\n", CcrXccZ);
+ DPRINTF(Sparc, "iv = %%d\\n", CcrIccV);
+ DPRINTF(Sparc, "ic = %%d\\n", CcrIccC);
+ DPRINTF(Sparc, "xv = %%d\\n", CcrXccV);
+ DPRINTF(Sparc, "xc = %%d\\n", CcrXccC);
'''
}};
diff --git a/arch/sparc/isa/formats/mem.isa b/arch/sparc/isa/formats/mem.isa
index e15349c7b..12dae57e5 100644
--- a/arch/sparc/isa/formats/mem.isa
+++ b/arch/sparc/isa/formats/mem.isa
@@ -30,8 +30,9 @@ output header {{
// Constructor
MemImm(const char *mnem, ExtMachInst _machInst, OpClass __opClass) :
- Mem(mnem, _machInst, __opClass), imm(SIMM13)
+ Mem(mnem, _machInst, __opClass)
{
+ imm = sign_ext(SIMM13, 13);
}
std::string generateDisassembly(Addr pc,
@@ -84,7 +85,10 @@ output decoder {{
}
ccprintf(response, "[ ");
printReg(response, _srcRegIdx[!save ? 0 : 1]);
- ccprintf(response, " + 0x%x ]", imm);
+ if(imm >= 0)
+ ccprintf(response, " + 0x%x ]", imm);
+ else
+ ccprintf(response, " + -0x%x ]", -imm);
if(load)
{
ccprintf(response, ", ");
@@ -104,6 +108,7 @@ def template MemExecute {{
%(op_decl)s;
%(op_rd)s;
%(ea_code)s;
+ DPRINTF(Sparc, "The address is 0x%x\n", EA);
%(load)s;
%(code)s;
%(store)s;
@@ -126,7 +131,7 @@ let {{
def doMemFormat(code, load, store, name, Name, opt_flags):
addrCalcReg = 'EA = Rs1 + Rs2;'
- addrCalcImm = 'EA = Rs1 + SIMM13;'
+ addrCalcImm = 'EA = Rs1 + imm;'
iop = InstObjParams(name, Name, 'Mem', code,
opt_flags, ("ea_code", addrCalcReg),
("load", load), ("store", store))