ARC: Fundamental ARCH data-types/defines

/*

 * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.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_ARC_BUG_H

#define _ASM_ARC_BUG_H

#ifndef __ASSEMBLY__

#include <asm/ptrace.h>

struct task_struct;

void show_regs(struct pt_regs *regs);

void show_stacktrace(struct task_struct *tsk, struct pt_regs *regs);

void show_kernel_fault_diag(const char *str, struct pt_regs *regs,

			    unsigned long address, unsigned long cause_reg);

void die(const char *str, struct pt_regs *regs, unsigned long address,

	 unsigned long cause_reg);

#define BUG()	do {				\

	dump_stack();					\

	pr_warn("Kernel BUG in %s: %s: %d!\n",	\

		__FILE__, __func__,  __LINE__);	\

} while (0)

#define HAVE_ARCH_BUG

#include <asm-generic/bug.h>

#endif	/* !__ASSEMBLY__ */

#endif

/*

 * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.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 __ARC_ASM_CACHE_H

#define __ARC_ASM_CACHE_H

/* In case $$ not config, setup a dummy number for rest of kernel */

#ifndef CONFIG_ARC_CACHE_LINE_SHIFT

#define L1_CACHE_SHIFT		6

#else

#define L1_CACHE_SHIFT		CONFIG_ARC_CACHE_LINE_SHIFT

#endif

#define L1_CACHE_BYTES		(1 << L1_CACHE_SHIFT)

#endif /* _ASM_CACHE_H */

/*

 * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.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_ARC_ELF_H

#define __ASM_ARC_ELF_H

#include <asm/ptrace.h>

#define EM_ARCOMPACT		93

/* Machine specific ELF Hdr flags */

#define EF_ARC_OSABI_MSK	0x00000f00

#define EF_ARC_OSABI_ORIG	0x00000000   /* MUST be zero for back-compat */

#define EF_ARC_OSABI_V2		0x00000200

/* ARC Relocations (kernel Modules only) */

#define  R_ARC_32		0x4

#define  R_ARC_32_ME		0x1B

#define  R_ARC_S25H_PCREL	0x10

#define  R_ARC_S25W_PCREL	0x11

typedef unsigned long elf_greg_t;

typedef unsigned long elf_fpregset_t;

/* core dump regs is in the order pt_regs, callee_regs, stop_pc (for gdb) */

#define ELF_NGREG	((sizeof(struct pt_regs) + sizeof(struct callee_regs) \

			  + sizeof(unsigned long)) / sizeof(elf_greg_t))

typedef elf_greg_t elf_gregset_t[ELF_NGREG];

/*

 * To ensure that

 *  -we don't load something for the wrong architecture.

 *  -The userspace is using the correct syscall ABI

 */

struct elf32_hdr;

extern int elf_check_arch(const struct elf32_hdr *);

#define elf_check_arch	elf_check_arch

/*

 * These are used to set parameters in the core dumps.

 */

#define ELF_ARCH		EM_ARCOMPACT

#define ELF_CLASS		ELFCLASS32

#ifdef CONFIG_CPU_BIG_ENDIAN

#define ELF_DATA		ELFDATA2MSB

#else

#define ELF_DATA		ELFDATA2LSB

#endif

#ifdef __KERNEL__

#define CORE_DUMP_USE_REGSET

#define ELF_EXEC_PAGESIZE	PAGE_SIZE

/*

 * This is the location that an ET_DYN program is loaded if exec'ed.  Typical

 * use of this is to invoke "./ld.so someprog" to test out a new version of

 * the loader.  We need to make sure that it is out of the way of the program

 * that it will "exec", and that there is sufficient room for the brk.

 */

#define ELF_ET_DYN_BASE		(2 * TASK_SIZE / 3)

/*

 * When the program starts, a1 contains a pointer to a function to be

 * registered with atexit, as per the SVR4 ABI.  A value of 0 means we

 * have no such handler.

 */

#define ELF_PLAT_INIT(_r, load_addr)	((_r)->r0 = 0)

/*

 * This yields a mask that user programs can use to figure out what

 * instruction set this cpu supports.

 */

#define ELF_HWCAP	(0)

/*

 * This yields a string that ld.so will use to load implementation

 * specific libraries for optimization.  This is more specific in

 * intent than poking at uname or /proc/cpuinfo.

 */

#define ELF_PLATFORM	(NULL)

#define SET_PERSONALITY(ex) \

	set_personality(PER_LINUX | (current->personality & (~PER_MASK)))

#endif  /* __KERNEL__ */

#endif

/*

 * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.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_ARC_EXEC_H

#define __ASM_ARC_EXEC_H

/* Align to 16b */

#define arch_align_stack(p) ((unsigned long)(p) & ~0xf)

#endif

/*

 * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.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_ARC_KDEBUG_H

#define _ASM_ARC_KDEBUG_H

enum die_val {

	DIE_UNUSED,

	DIE_TRAP,

	DIE_IERR,

	DIE_OOPS

};

#endif