Hexagon: Core arch-specific header files
Signed-off-by: Richard Kuo <rkuo@codeaurora.org> Signed-off-by: Linas Vepstas <linas@codeaurora.org> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Родитель
cd8e65fb96
Коммит
8feca0e182
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/*
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* Copyright (c) 2010-2011, Code Aurora Forum. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 and
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* only version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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||||
*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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||||
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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* 02110-1301, USA.
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*/
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#ifndef _ASM_BYTEORDER_H
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#define _ASM_BYTEORDER_H
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#if defined(__GNUC__) && !defined(__STRICT_ANSI__) || defined(__KERNEL__)
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# define __BYTEORDER_HAS_U64__
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#endif
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#include <linux/byteorder/little_endian.h>
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#endif /* _ASM_BYTEORDER_H */
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/*
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* ELF definitions for the Hexagon architecture
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*
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* Copyright (c) 2010-2011, Code Aurora Forum. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 and
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||||
* only version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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||||
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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* 02110-1301, USA.
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*/
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#ifndef __ASM_ELF_H
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#define __ASM_ELF_H
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#include <asm/ptrace.h>
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#include <asm/user.h>
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/*
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* This should really be in linux/elf-em.h.
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*/
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#define EM_HEXAGON 164 /* QUALCOMM Hexagon */
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struct elf32_hdr;
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/*
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* ELF header e_flags defines.
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*/
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/* should have stuff like "CPU type" and maybe "ABI version", etc */
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/* Hexagon relocations */
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/* V2 */
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#define R_HEXAGON_NONE 0
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#define R_HEXAGON_B22_PCREL 1
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#define R_HEXAGON_B15_PCREL 2
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#define R_HEXAGON_B7_PCREL 3
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#define R_HEXAGON_LO16 4
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#define R_HEXAGON_HI16 5
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#define R_HEXAGON_32 6
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#define R_HEXAGON_16 7
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#define R_HEXAGON_8 8
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#define R_HEXAGON_GPREL16_0 9
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#define R_HEXAGON_GPREL16_1 10
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#define R_HEXAGON_GPREL16_2 11
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#define R_HEXAGON_GPREL16_3 12
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#define R_HEXAGON_HL16 13
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/* V3 */
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#define R_HEXAGON_B13_PCREL 14
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/* V4 */
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#define R_HEXAGON_B9_PCREL 15
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/* V4 (extenders) */
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#define R_HEXAGON_B32_PCREL_X 16
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#define R_HEXAGON_32_6_X 17
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/* V4 (extended) */
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#define R_HEXAGON_B22_PCREL_X 18
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#define R_HEXAGON_B15_PCREL_X 19
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#define R_HEXAGON_B13_PCREL_X 20
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#define R_HEXAGON_B9_PCREL_X 21
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#define R_HEXAGON_B7_PCREL_X 22
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#define R_HEXAGON_16_X 23
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#define R_HEXAGON_12_X 24
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#define R_HEXAGON_11_X 25
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#define R_HEXAGON_10_X 26
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#define R_HEXAGON_9_X 27
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#define R_HEXAGON_8_X 28
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#define R_HEXAGON_7_X 29
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#define R_HEXAGON_6_X 30
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/* V2 PIC */
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#define R_HEXAGON_32_PCREL 31
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#define R_HEXAGON_COPY 32
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#define R_HEXAGON_GLOB_DAT 33
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#define R_HEXAGON_JMP_SLOT 34
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#define R_HEXAGON_RELATIVE 35
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#define R_HEXAGON_PLT_B22_PCREL 36
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#define R_HEXAGON_GOTOFF_LO16 37
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#define R_HEXAGON_GOTOFF_HI16 38
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#define R_HEXAGON_GOTOFF_32 39
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#define R_HEXAGON_GOT_LO16 40
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#define R_HEXAGON_GOT_HI16 41
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#define R_HEXAGON_GOT_32 42
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#define R_HEXAGON_GOT_16 43
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/*
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* ELF register definitions..
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*/
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typedef unsigned long elf_greg_t;
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typedef struct user_regs_struct elf_gregset_t;
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#define ELF_NGREG (sizeof(elf_gregset_t)/sizeof(unsigned long))
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/* Placeholder */
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typedef unsigned long elf_fpregset_t;
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/*
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* Bypass the whole "regsets" thing for now and use the define.
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*/
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#define ELF_CORE_COPY_REGS(DEST, REGS) \
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do { \
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DEST.r0 = REGS->r00; \
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DEST.r1 = REGS->r01; \
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DEST.r2 = REGS->r02; \
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DEST.r3 = REGS->r03; \
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DEST.r4 = REGS->r04; \
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DEST.r5 = REGS->r05; \
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DEST.r6 = REGS->r06; \
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DEST.r7 = REGS->r07; \
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DEST.r8 = REGS->r08; \
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DEST.r9 = REGS->r09; \
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DEST.r10 = REGS->r10; \
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DEST.r11 = REGS->r11; \
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DEST.r12 = REGS->r12; \
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DEST.r13 = REGS->r13; \
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DEST.r14 = REGS->r14; \
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DEST.r15 = REGS->r15; \
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DEST.r16 = REGS->r16; \
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DEST.r17 = REGS->r17; \
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DEST.r18 = REGS->r18; \
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DEST.r19 = REGS->r19; \
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DEST.r20 = REGS->r20; \
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DEST.r21 = REGS->r21; \
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DEST.r22 = REGS->r22; \
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DEST.r23 = REGS->r23; \
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DEST.r24 = REGS->r24; \
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DEST.r25 = REGS->r25; \
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DEST.r26 = REGS->r26; \
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DEST.r27 = REGS->r27; \
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DEST.r28 = REGS->r28; \
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DEST.r29 = pt_psp(REGS); \
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DEST.r30 = REGS->r30; \
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DEST.r31 = REGS->r31; \
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DEST.sa0 = REGS->sa0; \
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DEST.lc0 = REGS->lc0; \
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DEST.sa1 = REGS->sa1; \
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DEST.lc1 = REGS->lc1; \
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DEST.m0 = REGS->m0; \
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DEST.m1 = REGS->m1; \
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DEST.usr = REGS->usr; \
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DEST.p3_0 = REGS->preds; \
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DEST.gp = REGS->gp; \
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DEST.ugp = REGS->ugp; \
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DEST.pc = pt_elr(REGS); \
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DEST.cause = pt_cause(REGS); \
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DEST.badva = pt_badva(REGS); \
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} while (0);
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/*
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* This is used to ensure we don't load something for the wrong architecture.
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* Checks the machine and ABI type.
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*/
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#define elf_check_arch(hdr) ((hdr)->e_machine == EM_HEXAGON)
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/*
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* These are used to set parameters in the core dumps.
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*/
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#define ELF_CLASS ELFCLASS32
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#define ELF_DATA ELFDATA2LSB
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#define ELF_ARCH EM_HEXAGON
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#ifdef CONFIG_HEXAGON_ARCH_V2
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#define ELF_CORE_EFLAGS 0x1
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#endif
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#ifdef CONFIG_HEXAGON_ARCH_V3
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#define ELF_CORE_EFLAGS 0x2
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#endif
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#ifdef CONFIG_HEXAGON_ARCH_V4
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#define ELF_CORE_EFLAGS 0x3
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#endif
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/*
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* Some architectures have ld.so set up a pointer to a function
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* to be registered using atexit, to facilitate cleanup. So that
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* static executables will be well-behaved, we would null the register
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* in question here, in the pt_regs structure passed. For now,
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* leave it a null macro.
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*/
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#define ELF_PLAT_INIT(regs, load_addr) do { } while (0)
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#define USE_ELF_CORE_DUMP
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#define CORE_DUMP_USE_REGSET
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/* Hrm is this going to cause problems for changing PAGE_SIZE? */
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#define ELF_EXEC_PAGESIZE 4096
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/*
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* This is the location that an ET_DYN program is loaded if exec'ed. Typical
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* use of this is to invoke "./ld.so someprog" to test out a new version of
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* the loader. We need to make sure that it is out of the way of the program
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* that it will "exec", and that there is sufficient room for the brk.
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*/
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#define ELF_ET_DYN_BASE 0x08000000UL
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/*
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* This yields a mask that user programs can use to figure out what
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* instruction set this cpu supports.
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*/
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#define ELF_HWCAP (0)
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/*
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* This yields a string that ld.so will use to load implementation
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* specific libraries for optimization. This is more specific in
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* intent than poking at uname or /proc/cpuinfo.
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*/
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#define ELF_PLATFORM (NULL)
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#ifdef __KERNEL__
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#define SET_PERSONALITY(ex) set_personality(PER_LINUX)
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#endif
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#define ARCH_HAS_SETUP_ADDITIONAL_PAGES 1
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struct linux_binprm;
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extern int arch_setup_additional_pages(struct linux_binprm *bprm,
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int uses_interp);
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#endif
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/*
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* If the FPU is used inside the kernel,
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* kernel_fpu_end() will be defined here.
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*/
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#ifndef _ASM_HEXAGON_FUTEX_H
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#define _ASM_HEXAGON_FUTEX_H
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#ifdef __KERNEL__
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#include <linux/futex.h>
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#include <linux/uaccess.h>
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#include <asm/errno.h>
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/* XXX TODO-- need to add sync barriers! */
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#define __futex_atomic_op(insn, ret, oldval, uaddr, oparg) \
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__asm__ __volatile( \
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"1: %0 = memw_locked(%3);\n" \
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/* For example: %1 = %4 */ \
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insn \
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"2: memw_locked(%3,p2) = %1;\n" \
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" if !p2 jump 1b;\n" \
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" %1 = #0;\n" \
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"3:\n" \
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".section .fixup,\"ax\"\n" \
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"4: %1 = #%5;\n" \
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" jump 3b\n" \
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".previous\n" \
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".section __ex_table,\"a\"\n" \
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".long 1b,4b,2b,4b\n" \
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".previous\n" \
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: "=&r" (oldval), "=&r" (ret), "+m" (*uaddr) \
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: "r" (uaddr), "r" (oparg), "i" (-EFAULT) \
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: "p2", "memory")
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static inline int
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futex_atomic_op_inuser(int encoded_op, int __user *uaddr)
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{
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int op = (encoded_op >> 28) & 7;
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int cmp = (encoded_op >> 24) & 15;
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int oparg = (encoded_op << 8) >> 20;
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int cmparg = (encoded_op << 20) >> 20;
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int oldval = 0, ret;
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if (encoded_op & (FUTEX_OP_OPARG_SHIFT << 28))
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oparg = 1 << oparg;
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if (!access_ok(VERIFY_WRITE, uaddr, sizeof(int)))
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return -EFAULT;
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pagefault_disable();
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switch (op) {
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case FUTEX_OP_SET:
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__futex_atomic_op("%1 = %4\n", ret, oldval, uaddr, oparg);
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break;
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case FUTEX_OP_ADD:
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__futex_atomic_op("%1 = add(%0,%4)\n", ret, oldval, uaddr,
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oparg);
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break;
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case FUTEX_OP_OR:
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__futex_atomic_op("%1 = or(%0,%4)\n", ret, oldval, uaddr,
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oparg);
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break;
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case FUTEX_OP_ANDN:
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__futex_atomic_op("%1 = not(%4); %1 = and(%0,%1)\n", ret,
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oldval, uaddr, oparg);
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break;
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case FUTEX_OP_XOR:
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__futex_atomic_op("%1 = xor(%0,%4)\n", ret, oldval, uaddr,
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oparg);
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break;
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default:
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ret = -ENOSYS;
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}
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pagefault_enable();
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if (!ret) {
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switch (cmp) {
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case FUTEX_OP_CMP_EQ:
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ret = (oldval == cmparg);
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break;
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case FUTEX_OP_CMP_NE:
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ret = (oldval != cmparg);
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break;
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case FUTEX_OP_CMP_LT:
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ret = (oldval < cmparg);
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break;
|
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case FUTEX_OP_CMP_GE:
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ret = (oldval >= cmparg);
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break;
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case FUTEX_OP_CMP_LE:
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ret = (oldval <= cmparg);
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break;
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case FUTEX_OP_CMP_GT:
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ret = (oldval > cmparg);
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break;
|
||||
default:
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ret = -ENOSYS;
|
||||
}
|
||||
}
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return ret;
|
||||
}
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static inline int
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futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr, u32 oldval,
|
||||
u32 newval)
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{
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int prev;
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||||
int ret;
|
||||
|
||||
if (!access_ok(VERIFY_WRITE, uaddr, sizeof(u32)))
|
||||
return -EFAULT;
|
||||
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__asm__ __volatile__ (
|
||||
"1: %1 = memw_locked(%3)\n"
|
||||
" {\n"
|
||||
" p2 = cmp.eq(%1,%4)\n"
|
||||
" if !p2.new jump:NT 3f\n"
|
||||
" }\n"
|
||||
"2: memw_locked(%3,p2) = %5\n"
|
||||
" if !p2 jump 1b\n"
|
||||
"3:\n"
|
||||
".section .fixup,\"ax\"\n"
|
||||
"4: %0 = #%6\n"
|
||||
" jump 3b\n"
|
||||
".previous\n"
|
||||
".section __ex_table,\"a\"\n"
|
||||
".long 1b,4b,2b,4b\n"
|
||||
".previous\n"
|
||||
: "+r" (ret), "=&r" (prev), "+m" (*uaddr)
|
||||
: "r" (uaddr), "r" (oldval), "r" (newval), "i"(-EFAULT)
|
||||
: "p2", "memory");
|
||||
|
||||
*uval = prev;
|
||||
return ret;
|
||||
}
|
||||
|
||||
#endif /* __KERNEL__ */
|
||||
#endif /* _ASM_HEXAGON_FUTEX_H */
|
|
@ -0,0 +1,25 @@
|
|||
/*
|
||||
* Copyright (c) 2010-2011, Code Aurora Forum. All rights reserved.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License version 2 and
|
||||
* only version 2 as published by the Free Software Foundation.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
|
||||
* 02110-1301, USA.
|
||||
*/
|
||||
|
||||
#ifndef __ASM_LINKAGE_H
|
||||
#define __ASM_LINKAGE_H
|
||||
|
||||
#define __ALIGN .align 4
|
||||
#define __ALIGN_STR ".align 4"
|
||||
|
||||
#endif
|
|
@ -0,0 +1,26 @@
|
|||
/*
|
||||
* Copyright (c) 2010-2011, Code Aurora Forum. All rights reserved.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License version 2 and
|
||||
* only version 2 as published by the Free Software Foundation.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
|
||||
* 02110-1301, USA.
|
||||
*/
|
||||
|
||||
#ifndef _ASM_MODULE_H
|
||||
#define _ASM_MODULE_H
|
||||
|
||||
#include <asm-generic/module.h>
|
||||
|
||||
#define MODULE_ARCH_VERMAGIC __stringify(PROCESSOR_MODEL_NAME) " "
|
||||
|
||||
#endif
|
|
@ -0,0 +1,26 @@
|
|||
/*
|
||||
* Copyright (c) 2010-2011, Code Aurora Forum. All rights reserved.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License version 2 and
|
||||
* only version 2 as published by the Free Software Foundation.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
|
||||
* 02110-1301, USA.
|
||||
*/
|
||||
|
||||
#ifndef _ASM_PARAM_H
|
||||
#define _ASM_PARAM_H
|
||||
|
||||
#define EXEC_PAGESIZE 16384
|
||||
|
||||
#include <asm-generic/param.h>
|
||||
|
||||
#endif
|
|
@ -0,0 +1,24 @@
|
|||
/*
|
||||
* Copyright (c) 2010-2011, Code Aurora Forum. All rights reserved.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License version 2 and
|
||||
* only version 2 as published by the Free Software Foundation.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
|
||||
* 02110-1301, USA.
|
||||
*/
|
||||
|
||||
#ifndef _ASM_PERF_EVENT_H
|
||||
#define _ASM_PERF_EVENT_H
|
||||
|
||||
#define PERF_EVENT_INDEX_OFFSET 0
|
||||
|
||||
#endif /* _ASM_PERF_EVENT_H */
|
|
@ -0,0 +1,32 @@
|
|||
/*
|
||||
* Copyright (c) 2010-2011, Code Aurora Forum. All rights reserved.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License version 2 and
|
||||
* only version 2 as published by the Free Software Foundation.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
|
||||
* 02110-1301, USA.
|
||||
*/
|
||||
|
||||
#ifndef _ASM_STRING_H_
|
||||
#define _ASM_STRING_H_
|
||||
|
||||
#ifdef __KERNEL__
|
||||
#define __HAVE_ARCH_MEMCPY
|
||||
extern void *memcpy(void *__to, __const__ void *__from, size_t __n);
|
||||
|
||||
/* ToDo: use dczeroa, accelerate the compiler-constant zero case */
|
||||
#define __HAVE_ARCH_MEMSET
|
||||
extern void *memset(void *__to, int c, size_t __n);
|
||||
#endif
|
||||
|
||||
|
||||
#endif /* _ASM_STRING_H_ */
|
|
@ -0,0 +1,27 @@
|
|||
/*
|
||||
* Copyright (c) 2010-2011, Code Aurora Forum. All rights reserved.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License version 2 and
|
||||
* only version 2 as published by the Free Software Foundation.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
|
||||
* 02110-1301, USA.
|
||||
*/
|
||||
|
||||
#ifndef _ASM_SUSPEND_H
|
||||
#define _ASM_SUSPEND_H
|
||||
|
||||
static inline int arch_prepare_suspend(void)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
#endif
|
|
@ -0,0 +1,24 @@
|
|||
/*
|
||||
* Copyright (c) 2010-2011, Code Aurora Forum. All rights reserved.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License version 2 and
|
||||
* only version 2 as published by the Free Software Foundation.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
|
||||
* 02110-1301, USA.
|
||||
*/
|
||||
|
||||
#ifndef _ASM_SWAB_H
|
||||
#define _ASM_SWAB_H
|
||||
|
||||
#define __SWAB_64_THRU_32__
|
||||
|
||||
#endif
|
|
@ -0,0 +1,36 @@
|
|||
/*
|
||||
* Copyright (c) 2010-2011, Code Aurora Forum. All rights reserved.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License version 2 and
|
||||
* only version 2 as published by the Free Software Foundation.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
|
||||
* 02110-1301, USA.
|
||||
*/
|
||||
|
||||
#ifndef _ASM_TIMEX_H
|
||||
#define _ASM_TIMEX_H
|
||||
|
||||
#include <asm-generic/timex.h>
|
||||
#include <asm/timer-regs.h>
|
||||
|
||||
/* Using TCX0 as our clock. CLOCK_TICK_RATE scheduled to be removed. */
|
||||
#define CLOCK_TICK_RATE TCX0_CLK_RATE
|
||||
|
||||
#define ARCH_HAS_READ_CURRENT_TIMER
|
||||
|
||||
static inline int read_current_timer(unsigned long *timer_val)
|
||||
{
|
||||
*timer_val = (unsigned long) __vmgettime();
|
||||
return 0;
|
||||
}
|
||||
|
||||
#endif
|
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