7acf71d1a2
Some of the KGDB macros used for generating the BRK instructions had the wrong spelling for DBG and KGDB abbreviations. Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
84 lines
2 KiB
C
84 lines
2 KiB
C
/*
|
|
* AArch64 KGDB support
|
|
*
|
|
* Based on arch/arm/include/kgdb.h
|
|
*
|
|
* Copyright (C) 2013 Cavium Inc.
|
|
* Author: Vijaya Kumar K <vijaya.kumar@caviumnetworks.com>
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License 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, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#ifndef __ARM_KGDB_H
|
|
#define __ARM_KGDB_H
|
|
|
|
#include <linux/ptrace.h>
|
|
#include <asm/debug-monitors.h>
|
|
|
|
#ifndef __ASSEMBLY__
|
|
|
|
static inline void arch_kgdb_breakpoint(void)
|
|
{
|
|
asm ("brk %0" : : "I" (KGDB_COMPILED_DBG_BRK_IMM));
|
|
}
|
|
|
|
extern void kgdb_handle_bus_error(void);
|
|
extern int kgdb_fault_expected;
|
|
|
|
#endif /* !__ASSEMBLY__ */
|
|
|
|
/*
|
|
* gdb is expecting the following registers layout.
|
|
*
|
|
* General purpose regs:
|
|
* r0-r30: 64 bit
|
|
* sp,pc : 64 bit
|
|
* pstate : 64 bit
|
|
* Total: 34
|
|
* FPU regs:
|
|
* f0-f31: 128 bit
|
|
* Total: 32
|
|
* Extra regs
|
|
* fpsr & fpcr: 32 bit
|
|
* Total: 2
|
|
*
|
|
*/
|
|
|
|
#define _GP_REGS 34
|
|
#define _FP_REGS 32
|
|
#define _EXTRA_REGS 2
|
|
/*
|
|
* general purpose registers size in bytes.
|
|
* pstate is only 4 bytes. subtract 4 bytes
|
|
*/
|
|
#define GP_REG_BYTES (_GP_REGS * 8)
|
|
#define DBG_MAX_REG_NUM (_GP_REGS + _FP_REGS + _EXTRA_REGS)
|
|
|
|
/*
|
|
* Size of I/O buffer for gdb packet.
|
|
* considering to hold all register contents, size is set
|
|
*/
|
|
|
|
#define BUFMAX 2048
|
|
|
|
/*
|
|
* Number of bytes required for gdb_regs buffer.
|
|
* _GP_REGS: 8 bytes, _FP_REGS: 16 bytes and _EXTRA_REGS: 4 bytes each
|
|
* GDB fails to connect for size beyond this with error
|
|
* "'g' packet reply is too long"
|
|
*/
|
|
|
|
#define NUMREGBYTES ((_GP_REGS * 8) + (_FP_REGS * 16) + \
|
|
(_EXTRA_REGS * 4))
|
|
|
|
#endif /* __ASM_KGDB_H */
|