Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) /* SPDX-License-Identifier: GPL-2.0-only */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3)  * kgdb support for ARC
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5)  * Copyright (C) 2012 Synopsys, Inc. (www.synopsys.com)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) #ifndef __ARC_KGDB_H__
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) #define __ARC_KGDB_H__
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #ifdef CONFIG_KGDB
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <asm/ptrace.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) /* to ensure compatibility with Linux 2.6.35, we don't implement the get/set
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16)  * register API yet */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #undef DBG_MAX_REG_NUM
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #define GDB_MAX_REGS		87
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) #define BREAK_INSTR_SIZE	2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) #define CACHE_FLUSH_IS_SAFE	1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) #define NUMREGBYTES		(GDB_MAX_REGS * 4)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) #define BUFMAX			2048
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) static inline void arch_kgdb_breakpoint(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) 	__asm__ __volatile__ ("trap_s	0x4\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) extern void kgdb_trap(struct pt_regs *regs);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) /* This is the numbering of registers according to the GDB. See GDB's
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34)  * arc-tdep.h for details.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36)  * Registers are ordered for GDB 7.5. It is incompatible with GDB 6.8. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) enum arc_linux_regnums {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) 	_R0		= 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) 	_R1, _R2, _R3, _R4, _R5, _R6, _R7, _R8, _R9, _R10, _R11, _R12, _R13,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) 	_R14, _R15, _R16, _R17, _R18, _R19, _R20, _R21, _R22, _R23, _R24,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) 	_R25, _R26,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) 	_FP		= 27,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) 	__SP		= 28,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) 	_R30		= 30,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) 	_BLINK		= 31,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) 	_LP_COUNT	= 60,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) 	_STOP_PC	= 64,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) 	_RET		= 64,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) 	_LP_START	= 65,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) 	_LP_END		= 66,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) 	_STATUS32	= 67,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) 	_ECR		= 76,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) 	_BTA		= 82,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) #define kgdb_trap(regs)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) #endif	/* __ARC_KGDB_H__ */