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 */