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Diffstat (limited to 'arch/nios2/include/asm/kgdb.h')
-rw-r--r-- | arch/nios2/include/asm/kgdb.h | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/arch/nios2/include/asm/kgdb.h b/arch/nios2/include/asm/kgdb.h new file mode 100644 index 000000000..1fe8a6b35 --- /dev/null +++ b/arch/nios2/include/asm/kgdb.h @@ -0,0 +1,80 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * Copyright (C) 2015 Altera Corporation + * Copyright (C) 2011 Tobias Klauser <tklauser@distanz.ch> + * + * Based on the code posted by Kazuyasu on the Altera Forum at: + * http://www.alteraforum.com/forum/showpost.php?p=77003&postcount=20 + */ + +#ifndef _ASM_NIOS2_KGDB_H +#define _ASM_NIOS2_KGDB_H + +#define CACHE_FLUSH_IS_SAFE 1 +#define BUFMAX 2048 + +enum regnames { + GDB_R0 = 0, + GDB_AT, + GDB_R2, + GDB_R3, + GDB_R4, + GDB_R5, + GDB_R6, + GDB_R7, + GDB_R8, + GDB_R9, + GDB_R10, + GDB_R11, + GDB_R12, + GDB_R13, + GDB_R14, + GDB_R15, + GDB_R16, + GDB_R17, + GDB_R18, + GDB_R19, + GDB_R20, + GDB_R21, + GDB_R22, + GDB_R23, + GDB_ET, + GDB_BT, + GDB_GP, + GDB_SP, + GDB_FP, + GDB_EA, + GDB_BA, + GDB_RA, + GDB_PC, + GDB_STATUS, + GDB_ESTATUS, + GDB_BSTATUS, + GDB_IENABLE, + GDB_IPENDING, + GDB_CPUID, + GDB_CTL6, + GDB_EXCEPTION, + GDB_PTEADDR, + GDB_TLBACC, + GDB_TLBMISC, + GDB_ECCINJ, + GDB_BADADDR, + GDB_CONFIG, + GDB_MPUBASE, + GDB_MPUACC, + /* do not change the last entry or anything below! */ + GDB_NUMREGBYTES /* number of registers */ +}; + +#define GDB_SIZEOF_REG sizeof(u32) +#define DBG_MAX_REG_NUM (49) +#define NUMREGBYTES (DBG_MAX_REG_NUM * sizeof(GDB_SIZEOF_REG)) + +#define BREAK_INSTR_SIZE 4 +static inline void arch_kgdb_breakpoint(void) +{ + __asm__ __volatile__("trap 30\n"); +} + +#endif /* _ASM_NIOS2_KGDB_H */ |