[sim]

* configure.tgt: Add rl78 support.
* configure: Regenerate.
* rl78: New directory.
* MAINTAINERS: Add myself as RL78 maintainer.
[gdb]
* NEWS: Mention RL78 simulator.

1 files changed, 101 insertions, 0 deletions

diff --git a/sim/rl78/cpu.h b/sim/rl78/cpu.h
new file mode 100644
index 0000000..057f625
--- /dev/null
+++ b/sim/rl78/cpu.h
@@ -0,0 +1,101 @@
+/* cpu.h --- declarations for the RL78 core.
+
+   Copyright (C) 2005, 2007, 2008, 2009, 2010, 2011
+   Free Software Foundation, Inc.
+   Contributed by Red Hat, Inc.
+
+   This file is part of the GNU simulators.
+
+   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 3 of the License, 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, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef SIM_RL78_CPU_H_
+#define SIM_RL78_CPU_H_
+
+#include <stdint.h>
+#include <setjmp.h>
+
+#include "opcode/rl78.h"
+
+extern int verbose;
+extern int trace;
+
+typedef uint8_t QI;
+typedef uint16_t HI;
+typedef uint32_t SI;
+
+extern int rl78_in_gdb;
+
+SI get_reg (RL78_Register);
+SI set_reg (RL78_Register, SI);
+
+SI pc;
+
+
+extern const char * const reg_names[];
+
+void init_cpu (void);
+void set_flags (int mask, int newbits);
+void set_c (int c);
+int  get_c (void);
+
+const char *bits (int v, int b);
+
+int condition_true (RL78_Condition cond_id, int val);
+
+/* Instruction step return codes.
+   Suppose one of the decode_* functions below returns a value R:
+   - If RL78_STEPPED (R), then the single-step completed normally.
+   - If RL78_HIT_BREAK (R), then the program hit a breakpoint.
+   - If RL78_EXITED (R), then the program has done an 'exit' system
+     call, and the exit code is RL78_EXIT_STATUS (R).
+   - If RL78_STOPPED (R), then a signal (number RL78_STOP_SIG (R)) was
+     generated.
+
+   For building step return codes:
+   - RL78_MAKE_STEPPED is the return code for finishing a normal step.
+   - RL78_MAKE_HIT_BREAK is the return code for hitting a breakpoint.
+   - RL78_MAKE_EXITED (C) is the return code for exiting with status C.
+   - RL78_MAKE_STOPPED (S) is the return code for stopping on signal S.  */
+#define RL78_MAKE_STEPPED()   (1)
+#define RL78_MAKE_HIT_BREAK() (2)
+#define RL78_MAKE_EXITED(c)   (((int) (c) << 8) + 3)
+#define RL78_MAKE_STOPPED(s)  (((int) (s) << 8) + 4)
+
+#define RL78_STEPPED(r)       ((r) == RL78_MAKE_STEPPED ())
+#define RL78_HIT_BREAK(r)     ((r) == RL78_MAKE_HIT_BREAK ())
+#define RL78_EXITED(r)        (((r) & 0xff) == 3)
+#define RL78_EXIT_STATUS(r)   ((r) >> 8)
+#define RL78_STOPPED(r)       (((r) & 0xff) == 4)
+#define RL78_STOP_SIG(r)      ((r) >> 8)
+
+/* The step result for the current step.  Global to allow
+   communication between the stepping function and the system
+   calls.  */
+extern int step_result;
+
+extern int decode_opcode (void);
+
+extern int trace_register_words;
+extern void trace_register_changes (void);
+extern void generate_access_exception (void);
+extern jmp_buf decode_jmp_buf;
+
+extern long long total_clocks;
+extern int pending_clocks;
+extern int timer_enabled;
+extern void dump_counts_per_insn (const char * filename);
+extern unsigned int counts_per_insn[0x100000];
+
+#endif