12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576777879808182838485868788 |
- /*-
- * SPDX-License-Identifier: BSD-2-Clause
- *
- * Copyright (c) 2021 Mitchell Horne <mhorne@FreeBSD.org>
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
- #ifndef _MACHINE_GDB_MACHDEP_H_
- #define _MACHINE_GDB_MACHDEP_H_
- #define GDB_BUFSZ 4096
- #define GDB_NREGS 33
- #define GDB_REG_ZERO 0
- #define GDB_REG_RA 1
- #define GDB_REG_SP 2
- #define GDB_REG_GP 3
- #define GDB_REG_TP 4
- #define GDB_REG_T0 5
- #define GDB_REG_FP 8
- #define GDB_REG_S1 9
- #define GDB_REG_A0 10
- #define GDB_REG_S2 18
- #define GDB_REG_T3 28
- #define GDB_REG_PC 32
- #define GDB_REG_CSR_BASE 65
- #define GDB_REG_SSTATUS (GDB_REG_CSR_BASE + 0x100)
- #define GDB_REG_SCAUSE (GDB_REG_CSR_BASE + 0x142)
- #define GDB_REG_STVAL (GDB_REG_CSR_BASE + 0x143)
- _Static_assert(GDB_BUFSZ >= (GDB_NREGS * 8), "buffer fits 'g' regs");
- static __inline size_t
- gdb_cpu_regsz(int regnum __unused)
- {
- return (8);
- }
- static __inline int
- gdb_cpu_query(void)
- {
- return (0);
- }
- static __inline void *
- gdb_begin_write(void)
- {
- return (NULL);
- }
- static __inline void
- gdb_end_write(void *arg __unused)
- {
- }
- static __inline void
- gdb_cpu_stop_reason(int type __unused, int code __unused)
- {
- }
- void *gdb_cpu_getreg(int, size_t *);
- void gdb_cpu_setreg(int, void *);
- int gdb_cpu_signal(int, int);
- #endif /* !_MACHINE_GDB_MACHDEP_H_ */
|