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awilliam
GitHub Repository: awilliam/linux-vfio
 Path: blob/master/arch/unicore32/kernel/asm-offsets.c
10817 views
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/*

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 * linux/arch/unicore32/kernel/asm-offsets.c

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 *

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 * Code specific to PKUnity SoC and UniCore ISA

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 *

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 * Copyright (C) 2001-2010 GUAN Xue-tao

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 *

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 * Generate definitions needed by assembly language modules.

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 * This code generates raw asm output which is post-processed to extract

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 * and format the required data.

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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 as

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 * published by the Free Software Foundation.

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 */

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#include <linux/sched.h>

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#include <linux/mm.h>

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#include <linux/dma-mapping.h>

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#include <linux/kbuild.h>

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#include <linux/suspend.h>

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#include <linux/thread_info.h>

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#include <asm/memory.h>

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#include <asm/suspend.h>

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/*

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 * GCC 3.0, 3.1: general bad code generation.

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 * GCC 3.2.0: incorrect function argument offset calculation.

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 * GCC 3.2.x: miscompiles NEW_AUX_ENT in fs/binfmt_elf.c

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 *	(http://gcc.gnu.org/PR8896) and incorrect structure

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 *		initialisation in fs/jffs2/erase.c

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 */

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#if (__GNUC__ < 4)

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#error Your compiler should upgrade to uc4

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#error	Known good compilers: 4.2.2

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#endif

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int main(void)

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{

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	DEFINE(TSK_ACTIVE_MM,	offsetof(struct task_struct, active_mm));

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	BLANK();

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	DEFINE(TI_FLAGS,	offsetof(struct thread_info, flags));

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	DEFINE(TI_PREEMPT,	offsetof(struct thread_info, preempt_count));

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	DEFINE(TI_ADDR_LIMIT,	offsetof(struct thread_info, addr_limit));

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	DEFINE(TI_TASK,		offsetof(struct thread_info, task));

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	DEFINE(TI_EXEC_DOMAIN,	offsetof(struct thread_info, exec_domain));

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	DEFINE(TI_CPU,		offsetof(struct thread_info, cpu));

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	DEFINE(TI_CPU_SAVE,	offsetof(struct thread_info, cpu_context));

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	DEFINE(TI_USED_CP,	offsetof(struct thread_info, used_cp));

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#ifdef CONFIG_UNICORE_FPU_F64

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	DEFINE(TI_FPSTATE,	offsetof(struct thread_info, fpstate));

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#endif

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	BLANK();

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	DEFINE(S_R0,		offsetof(struct pt_regs, UCreg_00));

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	DEFINE(S_R1,		offsetof(struct pt_regs, UCreg_01));

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	DEFINE(S_R2,		offsetof(struct pt_regs, UCreg_02));

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	DEFINE(S_R3,		offsetof(struct pt_regs, UCreg_03));

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	DEFINE(S_R4,		offsetof(struct pt_regs, UCreg_04));

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	DEFINE(S_R5,		offsetof(struct pt_regs, UCreg_05));

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	DEFINE(S_R6,		offsetof(struct pt_regs, UCreg_06));

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	DEFINE(S_R7,		offsetof(struct pt_regs, UCreg_07));

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	DEFINE(S_R8,		offsetof(struct pt_regs, UCreg_08));

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	DEFINE(S_R9,		offsetof(struct pt_regs, UCreg_09));

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	DEFINE(S_R10,		offsetof(struct pt_regs, UCreg_10));

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	DEFINE(S_R11,		offsetof(struct pt_regs, UCreg_11));

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	DEFINE(S_R12,		offsetof(struct pt_regs, UCreg_12));

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	DEFINE(S_R13,		offsetof(struct pt_regs, UCreg_13));

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	DEFINE(S_R14,		offsetof(struct pt_regs, UCreg_14));

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	DEFINE(S_R15,		offsetof(struct pt_regs, UCreg_15));

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	DEFINE(S_R16,		offsetof(struct pt_regs, UCreg_16));

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	DEFINE(S_R17,		offsetof(struct pt_regs, UCreg_17));

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	DEFINE(S_R18,		offsetof(struct pt_regs, UCreg_18));

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	DEFINE(S_R19,		offsetof(struct pt_regs, UCreg_19));

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	DEFINE(S_R20,		offsetof(struct pt_regs, UCreg_20));

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	DEFINE(S_R21,		offsetof(struct pt_regs, UCreg_21));

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	DEFINE(S_R22,		offsetof(struct pt_regs, UCreg_22));

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	DEFINE(S_R23,		offsetof(struct pt_regs, UCreg_23));

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	DEFINE(S_R24,		offsetof(struct pt_regs, UCreg_24));

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	DEFINE(S_R25,		offsetof(struct pt_regs, UCreg_25));

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	DEFINE(S_R26,		offsetof(struct pt_regs, UCreg_26));

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	DEFINE(S_FP,		offsetof(struct pt_regs, UCreg_fp));

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	DEFINE(S_IP,		offsetof(struct pt_regs, UCreg_ip));

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	DEFINE(S_SP,		offsetof(struct pt_regs, UCreg_sp));

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	DEFINE(S_LR,		offsetof(struct pt_regs, UCreg_lr));

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	DEFINE(S_PC,		offsetof(struct pt_regs, UCreg_pc));

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	DEFINE(S_PSR,		offsetof(struct pt_regs, UCreg_asr));

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	DEFINE(S_OLD_R0,	offsetof(struct pt_regs, UCreg_ORIG_00));

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	DEFINE(S_FRAME_SIZE,	sizeof(struct pt_regs));

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	BLANK();

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	DEFINE(VMA_VM_MM,	offsetof(struct vm_area_struct, vm_mm));

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	DEFINE(VMA_VM_FLAGS,	offsetof(struct vm_area_struct, vm_flags));

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	BLANK();

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	DEFINE(VM_EXEC,		VM_EXEC);

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	BLANK();

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	DEFINE(PAGE_SZ,		PAGE_SIZE);

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	BLANK();

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	DEFINE(SYS_ERROR0,	0x9f0000);

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	BLANK();

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	DEFINE(PBE_ADDRESS,		offsetof(struct pbe, address));

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	DEFINE(PBE_ORIN_ADDRESS,	offsetof(struct pbe, orig_address));

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	DEFINE(PBE_NEXT,		offsetof(struct pbe, next));

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	DEFINE(SWSUSP_CPU,		offsetof(struct swsusp_arch_regs, \

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							cpu_context));

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#ifdef	CONFIG_UNICORE_FPU_F64

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	DEFINE(SWSUSP_FPSTATE,		offsetof(struct swsusp_arch_regs, \

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							fpstate));

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#endif

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	BLANK();

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	DEFINE(DMA_BIDIRECTIONAL,	DMA_BIDIRECTIONAL);

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	DEFINE(DMA_TO_DEVICE,		DMA_TO_DEVICE);

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	DEFINE(DMA_FROM_DEVICE,		DMA_FROM_DEVICE);

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	return 0;

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}

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