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authorDoug Evans <dje@google.com>2009-11-23 04:12:17 +0000
committerDoug Evans <dje@google.com>2009-11-23 04:12:17 +0000
commit197fa1aa2ca7f943805196c37031b44f7b87d5a7 (patch)
tree2094056b2e6e8bf0319e70b89af8c9c4b2be2b5a /sim/common/cgen-engine.h
parent1fbb9298a46e1bf9eca8fe24027102cf2fcf01fc (diff)
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* cgen-engine.h (EXTRACT_MSB0_LGSINT, EXTRACT_MSB0_LGUINT): Define.
(EXTRACT_LSB0_LGSINT, EXTRACT_LSB0_LGUINT): Define. (EXTRACT_FN, SEMANTIC_FN): Use CGEN_INSN_WORD in prototype instead of CGEN_INSN_INT. plus, cgen files: Regenerate.
Diffstat (limited to 'sim/common/cgen-engine.h')
-rw-r--r--sim/common/cgen-engine.h26
1 files changed, 21 insertions, 5 deletions
diff --git a/sim/common/cgen-engine.h b/sim/common/cgen-engine.h
index 2433104..69f2ef6 100644
--- a/sim/common/cgen-engine.h
+++ b/sim/common/cgen-engine.h
@@ -17,9 +17,11 @@ GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
-/* This file must be included after eng.h and before ${cpu}.h.
+/* This file is included by ${cpu}.h.
+ It needs CGEN_INSN_WORD which is defined by ${cpu}.h.
??? A lot of this could be moved to genmloop.sh to be put in eng.h
- and thus remove some conditional compilation. Worth it? */
+ and thus remove some conditional compilation. We'd still need
+ CGEN_INSN_WORD though. */
/* Semantic functions come in six versions on two axes:
fast/full-featured, and using one of the simple/scache/compilation engines.
@@ -62,12 +64,26 @@ along with this program. If not, see <http://www.gnu.org/licenses/>. */
#define EXTRACT_LSB0_UINT(val, total, start, length) \
(((UINT) (val) << ((sizeof (UINT) * 8) - (start) - 1)) \
>> ((sizeof (UINT) * 8) - (length)))
+
+#define EXTRACT_MSB0_LGSINT(val, total, start, length) \
+(((CGEN_INSN_LGSINT) (val) << ((sizeof (CGEN_INSN_LGSINT) * 8) - (total) + (start))) \
+ >> ((sizeof (CGEN_INSN_LGSINT) * 8) - (length)))
+#define EXTRACT_MSB0_LGUINT(val, total, start, length) \
+(((CGEN_INSN_UINT) (val) << ((sizeof (CGEN_INSN_LGUINT) * 8) - (total) + (start))) \
+ >> ((sizeof (CGEN_INSN_LGUINT) * 8) - (length)))
+
+#define EXTRACT_LSB0_LGSINT(val, total, start, length) \
+(((CGEN_INSN_LGSINT) (val) << ((sizeof (CGEN_INSN_LGSINT) * 8) - (start) - 1)) \
+ >> ((sizeof (CGEN_INSN_LGSINT) * 8) - (length)))
+#define EXTRACT_LSB0_LGUINT(val, total, start, length) \
+(((CGEN_INSN_LGUINT) (val) << ((sizeof (CGEN_INSN_LGUINT) * 8) - (start) - 1)) \
+ >> ((sizeof (CGEN_INSN_LGUINT) * 8) - (length)))
/* Semantic routines. */
/* Type of the machine generated extraction fns. */
/* ??? No longer used. */
-typedef void (EXTRACT_FN) (SIM_CPU *, IADDR, CGEN_INSN_INT, ARGBUF *);
+typedef void (EXTRACT_FN) (SIM_CPU *, IADDR, CGEN_INSN_WORD, ARGBUF *);
/* Type of the machine generated semantic fns. */
@@ -89,9 +105,9 @@ typedef unsigned int SEM_STATUS;
/* Instruction fields are extracted by the semantic routine.
??? TODO: multi word insns. */
#if HAVE_PARALLEL_INSNS && ! WITH_PARALLEL_GENWRITE
-typedef SEM_STATUS (SEMANTIC_FN) (SIM_CPU *, SEM_ARG, PAREXEC *, CGEN_INSN_INT);
+typedef SEM_STATUS (SEMANTIC_FN) (SIM_CPU *, SEM_ARG, PAREXEC *, CGEN_INSN_WORD);
#else
-typedef SEM_STATUS (SEMANTIC_FN) (SIM_CPU *, SEM_ARG, CGEN_INSN_INT);
+typedef SEM_STATUS (SEMANTIC_FN) (SIM_CPU *, SEM_ARG, CGEN_INSN_WORD);
#endif
#endif