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 
25 struct exception_info {
26 	char *kernel_str;
27 	int  signo;
28 	int  code;
29 };
30 
31 extern int (*c6x_nmi_handler)(struct pt_regs *regs);
32 
33 #endif /* _ASM_C6X_TRAPS_H */
34