Initial creation of sourceware repositorygdb-4_18-branchpoint

1 files changed, 106 insertions, 0 deletions

diff --git a/sim/d30v/alu.h b/sim/d30v/alu.h
new file mode 100644
index 0000000..d39ee3f
--- /dev/null
+++ b/sim/d30v/alu.h
@@ -0,0 +1,106 @@
+/* Mitsubishi Electric Corp. D30V Simulator.
+   Copyright (C) 1997, Free Software Foundation, Inc.
+   Contributed by Cygnus Support.
+
+This file is part of GDB, the GNU debugger.
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+This program 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 General Public License for more details.
+
+You should have received a copy of the GNU General Public License along
+with this program; if not, write to the Free Software Foundation, Inc.,
+59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
+
+
+#ifndef _D30V_ALU_H_
+#define _D30V_ALU_H_
+
+#define ALU_CARRY (PSW_VAL(PSW_C) != 0)
+
+#include "sim-alu.h"
+
+#define ALU16_END(TARG, HIGH)						\
+{									\
+  unsigned32 mask, value;						\
+  if (ALU16_HAD_OVERFLOW) {						\
+    mask = BIT32 (PSW_V) | BIT32 (PSW_VA) | BIT32 (PSW_C);		\
+    value = BIT32 (PSW_V) | BIT32 (PSW_VA);				\
+  }									\
+  else {								\
+    mask = BIT32 (PSW_V) | BIT32 (PSW_C);				\
+    value = 0;								\
+  }									\
+  if (ALU16_HAD_CARRY_BORROW)						\
+    value |= BIT32 (PSW_C);						\
+  if (HIGH)								\
+    WRITE32_QUEUE_MASK (TARG, ALU16_OVERFLOW_RESULT<<16, 0xffff0000);	\
+  else									\
+    WRITE32_QUEUE_MASK (TARG, ALU16_OVERFLOW_RESULT, 0x0000ffff);	\
+  WRITE32_QUEUE_MASK (&PSW, value, mask);				\
+}
+
+#define ALU32_END(TARG)							\
+{									\
+  unsigned32 mask, value;						\
+  if (ALU32_HAD_OVERFLOW) {						\
+    mask = BIT32 (PSW_V) | BIT32 (PSW_VA) | BIT32 (PSW_C);		\
+    value = BIT32 (PSW_V) | BIT32 (PSW_VA);				\
+  }									\
+  else {								\
+    mask = BIT32 (PSW_V) | BIT32 (PSW_C);				\
+    value = 0;								\
+  }									\
+  if (ALU32_HAD_CARRY_BORROW)						\
+    value |= BIT32 (PSW_C);						\
+  WRITE32_QUEUE (TARG, ALU32_OVERFLOW_RESULT);				\
+  WRITE32_QUEUE_MASK (&PSW, value, mask);				\
+}
+
+#define ALU_END(TARG) ALU32_END(TARG)
+
+
+/* PSW & Flag manipulation */
+
+#define PSW_SET(BIT,VAL) BLIT32(PSW, (BIT), (VAL))
+#define PSW_VAL(BIT) EXTRACTED32(PSW, (BIT), (BIT))
+
+#define PSW_F(FLAG) (17 + ((FLAG) % 8) * 2)
+#define PSW_FLAG_SET(FLAG,VAL) PSW_SET(PSW_F(FLAG), VAL)
+#define PSW_FLAG_VAL(FLAG) PSW_VAL(PSW_F(FLAG))
+
+#define PSW_SET_QUEUE(BIT,VAL)						\
+do {									\
+  unsigned32 mask = BIT32 (BIT);					\
+  unsigned32 bitval = (VAL) ? mask : 0;					\
+  WRITE32_QUEUE_MASK (&PSW, bitval, mask);				\
+} while (0)
+
+#define PSW_FLAG_SET_QUEUE(FLAG,VAL)					\
+do {									\
+  unsigned32 mask = BIT32 (PSW_F (FLAG));				\
+  unsigned32 bitval = (VAL) ? mask : 0;					\
+  WRITE32_QUEUE_MASK (&PSW, bitval, mask);				\
+} while (0)
+
+/* Bring data in from the cold */
+
+#define IMEM(EA) \
+(sim_core_read_8(STATE_CPU (sd, 0), cia, exec_map, (EA)))
+
+#define MEM(SIGN, EA, NR_BYTES) \
+((SIGN##_##NR_BYTES) sim_core_read_unaligned_##NR_BYTES(STATE_CPU (sd, 0), cia, read_map, (EA)))
+
+#define STORE(EA, NR_BYTES, VAL) \
+do { \
+  sim_core_write_unaligned_##NR_BYTES(STATE_CPU (sd, 0), cia, write_map, (EA), (VAL)); \
+} while (0)
+
+
+#endif