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-rwxr-xr-xarch/isa_parser.py41
1 files changed, 35 insertions, 6 deletions
diff --git a/arch/isa_parser.py b/arch/isa_parser.py
index 030bb5a7c..a2bf31a0c 100755
--- a/arch/isa_parser.py
+++ b/arch/isa_parser.py
@@ -224,7 +224,7 @@ def p_specification(t):
namespace = isa_name + "Inst"
# wrap the decode block as a function definition
t[4].wrap_decode_block('''
-StaticInstPtr<%(isa_name)s>
+StaticInstPtr
%(isa_name)s::decodeInst(%(isa_name)s::MachInst machInst)
{
using namespace %(namespace)s;
@@ -1138,6 +1138,7 @@ class Operand(object):
# template must be careful not to use it if it doesn't apply.
if self.isMem():
self.mem_acc_size = self.makeAccSize()
+ self.mem_acc_type = self.ctype
# Finalize additional fields (primarily code fields). This step
# is done separately since some of these fields may depend on the
@@ -1150,13 +1151,17 @@ class Operand(object):
if self.is_src:
self.op_rd = self.makeRead()
+ self.op_src_decl = self.makeDecl()
else:
self.op_rd = ''
+ self.op_src_decl = ''
if self.is_dest:
self.op_wb = self.makeWrite()
+ self.op_dest_decl = self.makeDecl()
else:
self.op_wb = ''
+ self.op_dest_decl = ''
def isMem(self):
return 0
@@ -1346,6 +1351,7 @@ class MemOperand(Operand):
def makeAccSize(self):
return self.size
+
class NPCOperand(Operand):
def makeConstructor(self):
return ''
@@ -1356,6 +1362,15 @@ class NPCOperand(Operand):
def makeWrite(self):
return 'xc->setNextPC(%s);\n' % self.base_name
+class NNPCOperand(Operand):
+ def makeConstructor(self):
+ return ''
+
+ def makeRead(self):
+ return '%s = xc->readPC() + 8;\n' % self.base_name
+
+ def makeWrite(self):
+ return 'xc->setNextNPC(%s);\n' % self.base_name
def buildOperandNameMap(userDict, lineno):
global operandNameMap
@@ -1589,6 +1604,14 @@ class CodeBlock:
self.op_decl = self.operands.concatAttrStrings('op_decl')
+ is_src = lambda op: op.is_src
+ is_dest = lambda op: op.is_dest
+
+ self.op_src_decl = \
+ self.operands.concatSomeAttrStrings(is_src, 'op_src_decl')
+ self.op_dest_decl = \
+ self.operands.concatSomeAttrStrings(is_dest, 'op_dest_decl')
+
self.op_rd = self.operands.concatAttrStrings('op_rd')
self.op_wb = self.operands.concatAttrStrings('op_wb')
@@ -1596,6 +1619,7 @@ class CodeBlock:
if self.operands.memOperand:
self.mem_acc_size = self.operands.memOperand.mem_acc_size
+ self.mem_acc_type = self.operands.memOperand.mem_acc_type
# Make a basic guess on the operand class (function unit type).
# These are good enough for most cases, and will be overridden
@@ -1672,6 +1696,8 @@ namespace %(namespace)s {
%(namespace_output)s
} // namespace %(namespace)s
+
+%(decode_function)s
'''
@@ -1725,7 +1751,7 @@ def preprocess_isa_desc(isa_desc):
#
# Read in and parse the ISA description.
#
-def parse_isa_desc(isa_desc_file, output_dir, include_path):
+def parse_isa_desc(isa_desc_file, output_dir):
# set a global var for the input filename... used in error messages
global input_filename
input_filename = isa_desc_file
@@ -1751,24 +1777,27 @@ def parse_isa_desc(isa_desc_file, output_dir, include_path):
includes = '#include "base/bitfield.hh" // for bitfield support'
global_output = global_code.header_output
namespace_output = namespace_code.header_output
+ decode_function = ''
update_if_needed(output_dir + '/decoder.hh', file_template % vars())
# generate decoder.cc
- includes = '#include "%s/decoder.hh"' % include_path
+ includes = '#include "decoder.hh"'
global_output = global_code.decoder_output
namespace_output = namespace_code.decoder_output
- namespace_output += namespace_code.decode_block
+ # namespace_output += namespace_code.decode_block
+ decode_function = namespace_code.decode_block
update_if_needed(output_dir + '/decoder.cc', file_template % vars())
# generate per-cpu exec files
for cpu in CpuModel.list:
- includes = '#include "%s/decoder.hh"\n' % include_path
+ includes = '#include "decoder.hh"\n'
includes += cpu.includes
global_output = global_code.exec_output[cpu.name]
namespace_output = namespace_code.exec_output[cpu.name]
+ decode_function = ''
update_if_needed(output_dir + '/' + cpu.filename,
file_template % vars())
# Called as script: get args from command line.
if __name__ == '__main__':
- parse_isa_desc(sys.argv[1], sys.argv[2], sys.argv[3])
+ parse_isa_desc(sys.argv[1], sys.argv[2])