| /* |
| * arch/hexagon/include/asm/kgdb.h - Hexagon KGDB Support |
| * |
| * Copyright (c) 2011, The Linux Foundation. All rights reserved. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 and |
| * only version 2 as published by the Free Software Foundation. |
| * |
| * 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., 51 Franklin Street, Fifth Floor, Boston, MA |
| * 02110-1301, USA. |
| */ |
| |
| #ifndef __HEXAGON_KGDB_H__ |
| #define __HEXAGON_KGDB_H__ |
| |
| #define BREAK_INSTR_SIZE 4 |
| #define CACHE_FLUSH_IS_SAFE 1 |
| #define BUFMAX ((NUMREGBYTES * 2) + 512) |
| |
| static inline void arch_kgdb_breakpoint(void) |
| { |
| asm("trap0(#0xDB)"); |
| } |
| |
| /* Registers: |
| * 32 gpr + sa0/1 + lc0/1 + m0/1 + gp + ugp + pred + pc = 42 total. |
| * vm regs = psp+elr+est+badva = 4 |
| * syscall+restart = 2 more |
| * so 48 = 42 +4 + 2 |
| */ |
| #define DBG_USER_REGS 42 |
| #define DBG_MAX_REG_NUM (DBG_USER_REGS + 6) |
| #define NUMREGBYTES (DBG_MAX_REG_NUM*4) |
| |
| #endif /* __HEXAGON_KGDB_H__ */ |