X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Farch%2Fmicro_asm.py;h=4e5400ceffe8d075ecf935cc64f6b9968aef7184;hb=04e196f4223b5dfd61782edaaac27166a2bfcf3c;hp=32dd79fdf44e7ee749d9e7c899966f1c27a18111;hpb=49490b334af3bc145071a9a81f37012e7693af59;p=gem5.git

diff --git a/src/arch/micro_asm.py b/src/arch/micro_asm.py
index 32dd79fdf..4e5400cef 100644
--- a/src/arch/micro_asm.py
+++ b/src/arch/micro_asm.py
@@ -34,10 +34,6 @@ import traceback
 # get type names
 from types import *
 
-# Prepend the directory where the PLY lex & yacc modules are found
-# to the search path.
-sys.path[0:0] = [os.environ['M5_PLY']]
-
 from ply import lex
 from ply import yacc
 
@@ -55,7 +51,7 @@ class Micro_Container(object):
         self.micro_classes = {}
         self.labels = {}
 
-    def add_microop(self, microop):
+    def add_microop(self, mnemonic, microop):
         self.microops.append(microop)
 
     def __str__(self):
@@ -140,10 +136,10 @@ def handle_statement(parser, container, statement):
             raise
         try:
             for label in statement.labels:
-                container.labels[label.name] = microop
-                if label.extern:
-                    container.externs[label.name] = microop
-            container.add_microop(microop)
+                container.labels[label.text] = microop
+                if label.is_extern:
+                    container.externs[label.text] = microop
+            container.add_microop(statement.mnemonic, microop)
         except:
             print_error("Error adding microop.")
             raise
@@ -242,7 +238,10 @@ def t_params_PARAMS(t):
 def t_asm_ID(t):
     r'[A-Za-z_]\w*'
     t.type = reserved_map.get(t.value, 'ID')
-    t.lexer.begin('params')
+    # If the ID is really "extern", we shouldn't start looking for parameters
+    # yet. The real ID, the label itself, is coming up.
+    if t.type != 'EXTERN':
+        t.lexer.begin('params')
     return t
 
 # If there is a label and you're -not- in the assembler (which would be caught
@@ -439,6 +438,11 @@ def p_labels_1(t):
     t[1].append(t[2])
     t[0] = t[1]
 
+# labels on lines by themselves are attached to the following instruction.
+def p_labels_2(t):
+    'labels : labels NEWLINE'
+    t[0] = t[1]
+
 def p_label_0(t):
     'label : ID COLON'
     label = Label()