1f6ccfff63
The notable features are:
- SMP configurations of upto 4 cores with coherency
- Optional L2 Cache and IO-Coherency
- Revised Interrupt Architecture (multiple priorites, reg banks,
auto stack switch, auto regfile save/restore)
- MMUv4 (PIPT dcache, Huge Pages)
- Instructions for
* 64bit load/store: LDD, STD
* Hardware assisted divide/remainder: DIV, REM
* Function prologue/epilogue: ENTER_S, LEAVE_S
* IRQ enable/disable: CLRI, SETI
* pop count: FFS, FLS
* SETcc, BMSKN, XBFU...
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
80 lines
2.2 KiB
C
80 lines
2.2 KiB
C
/*
|
|
* 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 <linux/types.h>
|
|
#include <uapi/asm/elf.h>
|
|
|
|
/* These ELF defines belong to uapi but libc elf.h already defines them */
|
|
#define EM_ARCOMPACT 93
|
|
|
|
#define EM_ARCV2 195 /* ARCv2 Cores */
|
|
|
|
#define EM_ARC_INUSE (IS_ENABLED(CONFIG_ISA_ARCOMPACT) ? \
|
|
EM_ARCOMPACT : EM_ARCV2)
|
|
|
|
/* 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
|
|
|
|
/*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
|
|
|
|
/*
|
|
* 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
|
|
|
|
#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)
|
|
|
|
#endif
|