Implement rip relative addressing and put in some missing loads and stores.
--HG-- extra : convert_revision : 99053414cef40f13c5226871a72909b2622d8c26
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@ -70,8 +70,8 @@ def format Inst(*opTypeSet) {{
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def format MultiInst(switchVal, *opTypeSets) {{
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switcher = {}
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for (count, opTypeSet) in zip(xrange(len(opTypeSets)), opTypeSets):
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switcher[count] = (Name, opTypeSet, EmulEnv())
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blocks = doSplitDecode(specializeInst, switchVal, switcher)
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switcher[count] = (specializeInst, Name, opTypeSet, EmulEnv())
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blocks = doSplitDecode(switchVal, switcher)
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(header_output, decoder_output,
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decode_block, exec_output) = blocks.makeList()
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}};
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@ -61,9 +61,21 @@ def macroop SUB_R_I
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def macroop SUB_M_I
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{
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#Load into t1
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ld "NUM_INTREGS+1", 3, ["env.scale", "env.index", "env.base"], \
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"DISPLACEMENT"
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subi "NUM_INTREGS+1", "NUM_INTREGS+1", "IMMEDIATE"
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#save from t1
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st "NUM_INTREGS+1", 3, ["env.scale", "env.index", "env.base"], \
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"DISPLACEMENT"
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};
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def macroop SUB_P_I
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{
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rdip "NUM_INTREGS+7"
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ld "NUM_INTREGS+1", 3, ["env.scale", "env.index", "env.base"], \
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"DISPLACEMENT"
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subi "NUM_INTREGS+1", "NUM_INTREGS+1", "IMMEDIATE"
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st "NUM_INTREGS+1", 3, ["env.scale", "env.index", "env.base"], \
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"DISPLACEMENT"
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};
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'''
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#let {{
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@ -61,6 +61,14 @@ def macroop TEST_M_R
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and "NUM_INTREGS", "NUM_INTREGS+1", "env.reg"
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};
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def macroop TEST_P_R
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{
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rdip "NUM_INTREGS+7"
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ld "NUM_INTREGS+1", 3, ["env.scale", "env.index", "env.base"], \
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"DISPLACEMENT"
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and "NUM_INTREGS", "NUM_INTREGS+1", "env.reg"
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};
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def macroop TEST_R_R
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{
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and "NUM_INTREGS", "env.reg", "env.regm"
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@ -74,6 +82,15 @@ def macroop TEST_M_I
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and "NUM_INTREGS", "NUM_INTREGS+1", "NUM_INTREGS+2"
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};
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def macroop TEST_P_I
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{
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rdip "NUM_INTREGS+7"
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ld "NUM_INTREGS+1", 3, ["env.scale", "env.index", "env.base"], \
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"DISPLACEMENT"
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limm "NUM_INTREGS+2", "IMMEDIATE"
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and "NUM_INTREGS", "NUM_INTREGS+1", "NUM_INTREGS+2"
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};
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def macroop TEST_R_I
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{
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limm "NUM_INTREGS+1", "IMMEDIATE"
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@ -62,17 +62,35 @@ def macroop MOV_M_R {
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st "env.reg", 3, ["env.scale", "env.index", "env.base"], "DISPLACEMENT"
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};
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def macroop MOV_P_R {
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rdip "NUM_INTREGS+7"
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st "env.reg", 3, ["env.scale", "env.index", "env.base"], "DISPLACEMENT"
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};
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def macroop MOV_R_M {
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ld "env.reg", 3, ["env.scale", "env.index", "env.base"], "DISPLACEMENT"
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};
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def macroop MOV_R_P {
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rdip "NUM_INTREGS+7"
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ld "env.reg", 3, ["env.scale", "env.index", "env.base"], "DISPLACEMENT"
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};
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def macroop MOV_R_I {
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limm "env.reg", "IMMEDIATE"
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};
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def macroop MOV_M_I {
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limm "env.reg", "IMMEDIATE"
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#Do a store to put the register operand into memory
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limm "NUM_INTREGS+1", "IMMEDIATE"
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st "NUM_INTREGS+1", 3, ["env.scale", "env.index", "env.base"], \
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"DISPLACEMENT"
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};
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def macroop MOV_P_I {
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rdip "NUM_INTREGS+7"
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limm "NUM_INTREGS+1", "IMMEDIATE"
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st "NUM_INTREGS+1", 3, ["env.scale", "env.index", "env.base"], \
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"DISPLACEMENT"
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};
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def macroop MOVSXD_R_R {
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@ -80,8 +98,16 @@ def macroop MOVSXD_R_R {
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};
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def macroop MOVSXD_R_M {
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#Do a load to fill the register operand from memory
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sext "env.reg", "env.regm", "env.dataSize"
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ld "NUM_INTREGS+1", 3, ["env.scale", "env.index", "env.base"], \
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"DISPLACEMENT"
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sext "env.reg", "NUM_INTREGS+1", "env.dataSize"
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};
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def macroop MOVSXD_R_P {
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rdip "NUM_INTREGS+7"
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ld "NUM_INTREGS+1", 3, ["env.scale", "env.index", "env.base"], \
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"DISPLACEMENT"
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sext "env.reg", "NUM_INTREGS+1", "env.dataSize"
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};
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'''
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#let {{
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@ -57,4 +57,9 @@ microcode = '''
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def macroop LEA_R_M {
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lea "env.reg", 3, ["env.scale", "env.index", "env.base"], "DISPLACEMENT"
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};
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def macroop LEA_R_P {
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rdip "NUM_INTREGS+7"
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lea "env.reg", 3, ["env.scale", "env.index", "env.base"], "DISPLACEMENT"
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};
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'''
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@ -67,14 +67,35 @@ def macroop XOR_R_I
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def macroop XOR_M_R
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{
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#Do a load to get one of the sources
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ld "NUM_INTREGS+1", 3, ["env.scale", "env.index", "env.base"], \
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"DISPLACEMENT"
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xor "NUM_INTREGS+1", "NUM_INTREGS+1", "env.reg"
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#Do a store to write the destination
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st "NUM_INTREGS+1", 3, ["env.scale", "env.index", "env.base"], \
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"DISPLACEMENT"
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};
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def macroop XOR_P_R
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{
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rdip "NUM_INTREGS+7"
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ld "NUM_INTREGS+1", 3, ["env.scale", "env.index", "env.base"], \
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"DISPLACEMENT"
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xor "NUM_INTREGS+1", "NUM_INTREGS+1", "env.reg"
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st "NUM_INTREGS+1", 3, ["env.scale", "env.index", "env.base"], \
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"DISPLACEMENT"
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};
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def macroop XOR_R_M
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{
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#Do a load to get one of the sources
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ld "NUM_INTREGS+1", 3, ["env.scale", "env.index", "env.base"], \
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"DISPLACEMENT"
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xor "env.reg", "env.reg", "NUM_INTREGS+1"
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};
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def macroop XOR_R_P
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{
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rdip "NUM_INTREGS+7"
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ld "NUM_INTREGS+1", 3, ["env.scale", "env.index", "env.base"], \
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"DISPLACEMENT"
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xor "env.reg", "env.reg", "NUM_INTREGS+1"
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};
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@ -86,10 +107,23 @@ def macroop AND_R_I
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def macroop AND_M_I
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{
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#Do a load to get one of the sources
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ld "NUM_INTREGS+2", 3, ["env.scale", "env.index", "env.base"], \
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"DISPLACEMENT"
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limm "NUM_INTREGS+1", "IMMEDIATE"
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and "NUM_INTREGS+1", "NUM_INTREGS+1", "NUM_INTREGS+2"
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#Do a store to write the destination
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and "NUM_INTREGS+2", "NUM_INTREGS+2", "NUM_INTREGS+1"
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st "NUM_INTREGS+2", 3, ["env.scale", "env.index", "env.base"], \
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"DISPLACEMENT"
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};
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def macroop AND_P_I
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{
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rdip "NUM_INTREGS+7"
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ld "NUM_INTREGS+2", 3, ["env.scale", "env.index", "env.base"], \
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"DISPLACEMENT"
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limm "NUM_INTREGS+1", "IMMEDIATE"
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and "NUM_INTREGS+2", "NUM_INTREGS+2", "NUM_INTREGS+1"
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st "NUM_INTREGS+2", 3, ["env.scale", "env.index", "env.base"], \
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"DISPLACEMENT"
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};
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'''
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#let {{
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@ -64,18 +64,18 @@
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let {{
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# This code builds up a decode block which decodes based on switchval.
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# vals is a dict which matches case values with what should be decoded to.
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# builder is called on the exploded contents of "vals" values to generate
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# whatever code should be used.
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def doSplitDecode(builder, switchVal, vals, default = None):
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# Each element of the dict is a list containing a function and then the
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# arguments to pass to it.
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def doSplitDecode(switchVal, vals, default = None):
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blocks = OutputBlocks()
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blocks.decode_block = 'switch(%s) {\n' % switchVal
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for (val, todo) in vals.items():
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new_blocks = builder(*todo)
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new_blocks = todo[0](*todo[1:])
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new_blocks.decode_block = \
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'\tcase %s: %s\n' % (val, new_blocks.decode_block)
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blocks.append(new_blocks)
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if default:
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new_blocks = builder(*default)
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new_blocks = default[0](*default[1:])
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new_blocks.decode_block = \
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'\tdefault: %s\n' % new_blocks.decode_block
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blocks.append(new_blocks)
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@ -83,6 +83,27 @@ let {{
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return blocks
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}};
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let {{
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def doRipRelativeDecode(Name, opTypes, env):
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# print "RIPing %s with opTypes %s" % (Name, opTypes)
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normBlocks = specializeInst(Name + "_M", copy.copy(opTypes), copy.copy(env))
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ripBlocks = specializeInst(Name + "_P", copy.copy(opTypes), copy.copy(env))
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blocks = OutputBlocks()
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blocks.append(normBlocks)
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blocks.append(ripBlocks)
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blocks.decode_block = '''
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if(machInst.modRM.mod == 0 &&
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machInst.modRM.rm == 5 &&
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machInst.mode.submode == SixtyFourBitMode)
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{ %s }
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else
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{ %s }''' % \
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(ripBlocks.decode_block, normBlocks.decode_block)
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return blocks
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}};
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let {{
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class OpType(object):
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parser = re.compile(r"(?P<tag>[A-Z]+)(?P<size>[a-z]*)|(r(?P<reg>[A-Z0-9]+)(?P<rsize>[a-z]*))")
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@ -142,9 +163,9 @@ let {{
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# modrm addressing.
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memEnv = copy.copy(env)
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memEnv.doModRM = True
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return doSplitDecode(specializeInst, "MODRM_MOD",
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{"3" : (Name + "_R", copy.copy(opTypes), regEnv)},
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(Name + "_M", copy.copy(opTypes), memEnv))
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return doSplitDecode("MODRM_MOD",
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{"3" : (specializeInst, Name + "_R", copy.copy(opTypes), regEnv)},
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(doRipRelativeDecode, Name, copy.copy(opTypes), memEnv))
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elif opType.tag in ("I", "J"):
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# Immediates
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Name += "_I"
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