diff options
Diffstat (limited to 'arch/tile/include/asm/kgdb.h')
-rw-r--r-- | arch/tile/include/asm/kgdb.h | 71 |
1 files changed, 0 insertions, 71 deletions
diff --git a/arch/tile/include/asm/kgdb.h b/arch/tile/include/asm/kgdb.h deleted file mode 100644 index 280c181cf0db..000000000000 --- a/arch/tile/include/asm/kgdb.h +++ /dev/null @@ -1,71 +0,0 @@ -/* - * Copyright 2013 Tilera Corporation. 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 - * as published by the Free Software Foundation, version 2. - * - * 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, GOOD TITLE or - * NON INFRINGEMENT. See the GNU General Public License for - * more details. - * - * TILE-Gx KGDB support. - */ - -#ifndef __TILE_KGDB_H__ -#define __TILE_KGDB_H__ - -#include <linux/kdebug.h> -#include <arch/opcode.h> - -#define GDB_SIZEOF_REG sizeof(unsigned long) - -/* - * TILE-Gx gdb is expecting the following register layout: - * 56 GPRs(R0 - R52, TP, SP, LR), 8 special GPRs(networks and ZERO), - * plus the PC and the faultnum. - * - * Even though kernel not use the 8 special GPRs, they need to be present - * in the registers sent for correct processing in the host-side gdb. - * - */ -#define DBG_MAX_REG_NUM (56+8+2) -#define NUMREGBYTES (DBG_MAX_REG_NUM * GDB_SIZEOF_REG) - -/* - * BUFMAX defines the maximum number of characters in inbound/outbound - * buffers at least NUMREGBYTES*2 are needed for register packets, - * Longer buffer is needed to list all threads. - */ -#define BUFMAX 2048 - -#define BREAK_INSTR_SIZE TILEGX_BUNDLE_SIZE_IN_BYTES - -/* - * Require cache flush for set/clear a software breakpoint or write memory. - */ -#define CACHE_FLUSH_IS_SAFE 1 - -/* - * The compiled-in breakpoint instruction can be used to "break" into - * the debugger via magic system request key (sysrq-G). - */ -static tile_bundle_bits compiled_bpt = TILEGX_BPT_BUNDLE | DIE_COMPILED_BPT; - -enum tilegx_regnum { - TILEGX_PC_REGNUM = TREG_LAST_GPR + 9, - TILEGX_FAULTNUM_REGNUM, -}; - -/* - * Generate a breakpoint exception to "break" into the debugger. - */ -static inline void arch_kgdb_breakpoint(void) -{ - asm volatile (".quad %0\n\t" - ::""(compiled_bpt)); -} - -#endif /* __TILE_KGDB_H__ */ |