Alpha architecture emulation core.

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2597 c046a42c-6fe2-441c-8c8c-71466251a162

1 files changed, 167 insertions, 0 deletions

diff --git a/target-alpha/op_template.h b/target-alpha/op_template.h
new file mode 100644
index 0000000..e96303b
--- /dev/null
+++ b/target-alpha/op_template.h
@@ -0,0 +1,167 @@
+/*
+ *  Alpha emulation cpu micro-operations templates for qemu.
+ * 
+ *  Copyright (c) 2007 Jocelyn Mayer
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+/* Optimized constant loads */
+#if REG < 3
+void OPPROTO glue(op_reset_T, REG) (void)
+{
+    glue(T, REG) = 0;
+    RETURN();
+}
+
+void OPPROTO glue(op_reset_FT, REG) (void)
+{
+    glue(FT, REG) = 0;
+    RETURN();
+}
+
+/* XXX: This can be great on most RISC machines */
+#if !defined(__i386__) && !defined(__x86_64__)
+void OPPROTO glue(op_set_s16_T, REG) (void)
+{
+    glue(T, REG) = (int16_t)PARAM(1);
+    RETURN();
+}
+
+void OPPROTO glue(op_set_u16_T, REG) (void)
+{
+    glue(T, REG) = (uint16_t)PARAM(1);
+    RETURN();
+}
+#endif
+
+void OPPROTO glue(op_set_s32_T, REG) (void)
+{
+    glue(T, REG) = (int32_t)PARAM(1);
+    RETURN();
+}
+
+void OPPROTO glue(op_set_u32_T, REG) (void)
+{
+    glue(T, REG) = (uint32_t)PARAM(1);
+    RETURN();
+}
+
+#if 0 // Qemu does not know how to do this...
+void OPPROTO glue(op_set_64_T, REG) (void)
+{
+    glue(T, REG) = (int64_t)PARAM(1);
+    RETURN();
+}
+#else
+void OPPROTO glue(op_set_64_T, REG) (void)
+{
+    glue(T, REG) = ((int64_t)PARAM(1) << 32) | (int64_t)PARAM(2);
+    RETURN();
+}
+#endif
+
+#endif /* REG < 3 */
+
+/* Fixed-point register moves */
+#if REG < 31
+void OPPROTO glue(op_load_T0_ir, REG) (void)
+{
+    T0 = env->ir[REG];
+    RETURN();
+}
+
+void OPPROTO glue(op_load_T1_ir, REG) (void)
+{
+    T1 = env->ir[REG];
+    RETURN();
+}
+
+void OPPROTO glue(op_load_T2_ir, REG) (void)
+{
+    T2 = env->ir[REG];
+    RETURN();
+}
+
+void OPPROTO glue(op_store_T0_ir, REG) (void)
+{
+    env->ir[REG] = T0;
+    RETURN();
+}
+
+void OPPROTO glue(op_store_T1_ir, REG) (void)
+{
+    env->ir[REG] = T1;
+    RETURN();
+}
+
+void OPPROTO glue(op_store_T2_ir, REG) (void)
+{
+    env->ir[REG] = T2;
+    RETURN();
+}
+
+void OPPROTO glue(op_cmov_ir, REG) (void)
+{
+    if (T0)
+        env->ir[REG] = T1;
+    RETURN();
+}
+
+/* floating point registers moves */
+void OPPROTO glue(op_load_FT0_fir, REG) (void)
+{
+    FT0 = env->fir[REG];
+    RETURN();
+}
+
+void OPPROTO glue(op_load_FT1_fir, REG) (void)
+{
+    FT1 = env->fir[REG];
+    RETURN();
+}
+
+void OPPROTO glue(op_load_FT2_fir, REG) (void)
+{
+    FT2 = env->fir[REG];
+    RETURN();
+}
+
+void OPPROTO glue(op_store_FT0_fir, REG) (void)
+{
+    env->fir[REG] = FT0;
+    RETURN();
+}
+
+void OPPROTO glue(op_store_FT1_fir, REG) (void)
+{
+    env->fir[REG] = FT1;
+    RETURN();
+}
+
+void OPPROTO glue(op_store_FT2_fir, REG) (void)
+{
+    env->fir[REG] = FT2;
+    RETURN();
+}
+
+void OPPROTO glue(op_cmov_fir, REG) (void)
+{
+    helper_cmov_fir(REG);
+    RETURN();
+}
+#endif /* REG < 31 */
+
+#undef REG