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C6X: build infrastructure

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Original port to early 2.6 kernel using TI COFF toolchain.
Brought up to date by Mark Salter <msalter@redhat.com>

Signed-off-by: Aurelien Jacquiot <a-jacquiot@ti.com>
Signed-off-by: Mark Salter <msalter@redhat.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
This commit is contained in:
Aurelien Jacquiot
2011-10-04 11:10:02 -04:00
committed by Mark Salter
parent 8a0c9e0348
commit e94e668251
4 changed files with 1385 additions and 0 deletions
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36
arch/c6x/include/asm/traps.h Normal file
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/*
* 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 */