1/* SPDX-License-Identifier: GPL-2.0-only */
2/*
3 *  Port on Texas Instruments TMS320C6x architecture
4 *
5 *  Copyright (C) 2004, 2009, 2011 Texas Instruments Incorporated
6 *  Author: Aurelien Jacquiot (aurelien.jacquiot@jaluna.com)
7 */
8#ifndef _ASM_C6X_TRAPS_H
9#define _ASM_C6X_TRAPS_H
10
11#define EXCEPT_TYPE_NXF   31	   /* NMI */
12#define EXCEPT_TYPE_EXC   30	   /* external exception */
13#define EXCEPT_TYPE_IXF   1	   /* internal exception */
14#define EXCEPT_TYPE_SXF   0	   /* software exception */
15
16#define EXCEPT_CAUSE_LBX  (1 << 7) /* loop buffer exception */
17#define EXCEPT_CAUSE_PRX  (1 << 6) /* privilege exception */
18#define EXCEPT_CAUSE_RAX  (1 << 5) /* resource access exception */
19#define EXCEPT_CAUSE_RCX  (1 << 4) /* resource conflict exception */
20#define EXCEPT_CAUSE_OPX  (1 << 3) /* opcode exception */
21#define EXCEPT_CAUSE_EPX  (1 << 2) /* execute packet exception */
22#define EXCEPT_CAUSE_FPX  (1 << 1) /* fetch packet exception */
23#define EXCEPT_CAUSE_IFX  (1 << 0) /* instruction fetch exception */
24
25struct exception_info {
26	char *kernel_str;
27	int  signo;
28	int  code;
29};
30
31extern int (*c6x_nmi_handler)(struct pt_regs *regs);
32
33#endif /* _ASM_C6X_TRAPS_H */
34