From e94e668251ab31b17ef6dcd16ba7fe05ffc1917a Mon Sep 17 00:00:00 2001 From: Aurelien Jacquiot Date: Tue, 4 Oct 2011 11:10:02 -0400 Subject: C6X: build infrastructure Original port to early 2.6 kernel using TI COFF toolchain. Brought up to date by Mark Salter Signed-off-by: Aurelien Jacquiot Signed-off-by: Mark Salter Acked-by: Arnd Bergmann --- arch/c6x/include/asm/traps.h | 36 ++++++++++++++++++++++++++++++++++++ 1 file changed, 36 insertions(+) create mode 100644 arch/c6x/include/asm/traps.h (limited to 'arch/c6x/include/asm') diff --git a/arch/c6x/include/asm/traps.h b/arch/c6x/include/asm/traps.h new file mode 100644 index 000000000000..62124d7b1b5f --- /dev/null +++ b/arch/c6x/include/asm/traps.h @@ -0,0 +1,36 @@ +/* + * Port on Texas Instruments TMS320C6x architecture + * + * Copyright (C) 2004, 2009, 2011 Texas Instruments Incorporated + * Author: Aurelien Jacquiot (aurelien.jacquiot@jaluna.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. + */ +#ifndef _ASM_C6X_TRAPS_H +#define _ASM_C6X_TRAPS_H + +#define EXCEPT_TYPE_NXF 31 /* NMI */ +#define EXCEPT_TYPE_EXC 30 /* external exception */ +#define EXCEPT_TYPE_IXF 1 /* internal exception */ +#define EXCEPT_TYPE_SXF 0 /* software exception */ + +#define EXCEPT_CAUSE_LBX (1 << 7) /* loop buffer exception */ +#define EXCEPT_CAUSE_PRX (1 << 6) /* privilege exception */ +#define EXCEPT_CAUSE_RAX (1 << 5) /* resource access exception */ +#define EXCEPT_CAUSE_RCX (1 << 4) /* resource conflict exception */ +#define EXCEPT_CAUSE_OPX (1 << 3) /* opcode exception */ +#define EXCEPT_CAUSE_EPX (1 << 2) /* execute packet exception */ +#define EXCEPT_CAUSE_FPX (1 << 1) /* fetch packet exception */ +#define EXCEPT_CAUSE_IFX (1 << 0) /* instruction fetch exception */ + +struct exception_info { + char *kernel_str; + int signo; + int code; +}; + +extern int (*c6x_nmi_handler)(struct pt_regs *regs); + +#endif /* _ASM_C6X_TRAPS_H */ -- cgit v1.2.3