CoCalc -- asm-offsets.c

GitHub Repository: torvalds/linux
Path: blob/master/arch/mips/kernel/asm-offsets.c
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// SPDX-License-Identifier: GPL-2.0
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/*
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 * asm-offsets.c: Calculate pt_regs and task_struct offsets.
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 *
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 * Copyright (C) 1996 David S. Miller
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 * Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003 Ralf Baechle
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 * Copyright (C) 1999, 2000 Silicon Graphics, Inc.
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 *
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 * Kevin Kissell, [email protected] and Carsten Langgaard, [email protected]
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 * Copyright (C) 2000 MIPS Technologies, Inc.
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 */
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#include <linux/compat.h>
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#include <linux/types.h>
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#include <linux/sched.h>
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#include <linux/mm.h>
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#include <linux/kbuild.h>
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#include <linux/suspend.h>
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#include <asm/cpu-info.h>
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#include <asm/pm.h>
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#include <asm/ptrace.h>
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#include <asm/processor.h>
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#include <asm/smp-cps.h>
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#include <linux/kvm_host.h>
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void output_ptreg_defines(void);
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void output_ptreg_defines(void)
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{
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	COMMENT("MIPS pt_regs offsets.");
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#ifdef CONFIG_32BIT
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	OFFSET(PT_ARG4, pt_regs, args[4]);
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	OFFSET(PT_ARG5, pt_regs, args[5]);
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	OFFSET(PT_ARG6, pt_regs, args[6]);
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	OFFSET(PT_ARG7, pt_regs, args[7]);
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#endif
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	OFFSET(PT_R0, pt_regs, regs[0]);
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	OFFSET(PT_R1, pt_regs, regs[1]);
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	OFFSET(PT_R2, pt_regs, regs[2]);
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	OFFSET(PT_R3, pt_regs, regs[3]);
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	OFFSET(PT_R4, pt_regs, regs[4]);
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	OFFSET(PT_R5, pt_regs, regs[5]);
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	OFFSET(PT_R6, pt_regs, regs[6]);
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	OFFSET(PT_R7, pt_regs, regs[7]);
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	OFFSET(PT_R8, pt_regs, regs[8]);
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	OFFSET(PT_R9, pt_regs, regs[9]);
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	OFFSET(PT_R10, pt_regs, regs[10]);
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	OFFSET(PT_R11, pt_regs, regs[11]);
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	OFFSET(PT_R12, pt_regs, regs[12]);
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	OFFSET(PT_R13, pt_regs, regs[13]);
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	OFFSET(PT_R14, pt_regs, regs[14]);
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	OFFSET(PT_R15, pt_regs, regs[15]);
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	OFFSET(PT_R16, pt_regs, regs[16]);
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	OFFSET(PT_R17, pt_regs, regs[17]);
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	OFFSET(PT_R18, pt_regs, regs[18]);
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	OFFSET(PT_R19, pt_regs, regs[19]);
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	OFFSET(PT_R20, pt_regs, regs[20]);
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	OFFSET(PT_R21, pt_regs, regs[21]);
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	OFFSET(PT_R22, pt_regs, regs[22]);
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	OFFSET(PT_R23, pt_regs, regs[23]);
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	OFFSET(PT_R24, pt_regs, regs[24]);
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	OFFSET(PT_R25, pt_regs, regs[25]);
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	OFFSET(PT_R26, pt_regs, regs[26]);
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	OFFSET(PT_R27, pt_regs, regs[27]);
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	OFFSET(PT_R28, pt_regs, regs[28]);
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	OFFSET(PT_R29, pt_regs, regs[29]);
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	OFFSET(PT_R30, pt_regs, regs[30]);
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	OFFSET(PT_R31, pt_regs, regs[31]);
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	OFFSET(PT_LO, pt_regs, lo);
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	OFFSET(PT_HI, pt_regs, hi);
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#ifdef CONFIG_CPU_HAS_SMARTMIPS
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	OFFSET(PT_ACX, pt_regs, acx);
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#endif
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	OFFSET(PT_EPC, pt_regs, cp0_epc);
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	OFFSET(PT_BVADDR, pt_regs, cp0_badvaddr);
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	OFFSET(PT_STATUS, pt_regs, cp0_status);
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	OFFSET(PT_CAUSE, pt_regs, cp0_cause);
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#ifdef CONFIG_CPU_CAVIUM_OCTEON
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	OFFSET(PT_MPL, pt_regs, mpl);
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	OFFSET(PT_MTP, pt_regs, mtp);
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#endif /* CONFIG_CPU_CAVIUM_OCTEON */
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	DEFINE(PT_SIZE, sizeof(struct pt_regs));
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	BLANK();
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}
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void output_task_defines(void);
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void output_task_defines(void)
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{
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	COMMENT("MIPS task_struct offsets.");
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	OFFSET(TASK_THREAD_INFO, task_struct, stack);
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	OFFSET(TASK_FLAGS, task_struct, flags);
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	OFFSET(TASK_MM, task_struct, mm);
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	OFFSET(TASK_PID, task_struct, pid);
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#if defined(CONFIG_STACKPROTECTOR)
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	OFFSET(TASK_STACK_CANARY, task_struct, stack_canary);
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#endif
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	DEFINE(TASK_STRUCT_SIZE, sizeof(struct task_struct));
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	BLANK();
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}
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void output_thread_info_defines(void);
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void output_thread_info_defines(void)
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{
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	COMMENT("MIPS thread_info offsets.");
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	OFFSET(TI_TASK, thread_info, task);
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	OFFSET(TI_FLAGS, thread_info, flags);
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	OFFSET(TI_TP_VALUE, thread_info, tp_value);
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	OFFSET(TI_CPU, thread_info, cpu);
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	OFFSET(TI_PRE_COUNT, thread_info, preempt_count);
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	OFFSET(TI_REGS, thread_info, regs);
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	OFFSET(TI_SYSCALL, thread_info, syscall);
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	DEFINE(_THREAD_SIZE, THREAD_SIZE);
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	DEFINE(_THREAD_MASK, THREAD_MASK);
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	DEFINE(_IRQ_STACK_SIZE, IRQ_STACK_SIZE);
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	DEFINE(_IRQ_STACK_START, IRQ_STACK_START);
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	BLANK();
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}
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void output_thread_defines(void);
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void output_thread_defines(void)
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{
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	COMMENT("MIPS specific thread_struct offsets.");
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	OFFSET(THREAD_REG16, task_struct, thread.reg16);
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	OFFSET(THREAD_REG17, task_struct, thread.reg17);
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	OFFSET(THREAD_REG18, task_struct, thread.reg18);
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	OFFSET(THREAD_REG19, task_struct, thread.reg19);
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	OFFSET(THREAD_REG20, task_struct, thread.reg20);
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	OFFSET(THREAD_REG21, task_struct, thread.reg21);
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	OFFSET(THREAD_REG22, task_struct, thread.reg22);
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	OFFSET(THREAD_REG23, task_struct, thread.reg23);
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	OFFSET(THREAD_REG29, task_struct, thread.reg29);
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	OFFSET(THREAD_REG30, task_struct, thread.reg30);
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	OFFSET(THREAD_REG31, task_struct, thread.reg31);
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	OFFSET(THREAD_STATUS, task_struct,
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	       thread.cp0_status);
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	OFFSET(THREAD_BVADDR, task_struct, \
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	       thread.cp0_badvaddr);
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	OFFSET(THREAD_BUADDR, task_struct, \
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	       thread.cp0_baduaddr);
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	OFFSET(THREAD_ECODE, task_struct, \
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	       thread.error_code);
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	OFFSET(THREAD_TRAPNO, task_struct, thread.trap_nr);
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	BLANK();
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}
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#ifdef CONFIG_MIPS_FP_SUPPORT
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void output_thread_fpu_defines(void);
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void output_thread_fpu_defines(void)
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{
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	OFFSET(THREAD_FPU, task_struct, thread.fpu);
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	OFFSET(THREAD_FPR0, task_struct, thread.fpu.fpr[0]);
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	OFFSET(THREAD_FPR1, task_struct, thread.fpu.fpr[1]);
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	OFFSET(THREAD_FPR2, task_struct, thread.fpu.fpr[2]);
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	OFFSET(THREAD_FPR3, task_struct, thread.fpu.fpr[3]);
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	OFFSET(THREAD_FPR4, task_struct, thread.fpu.fpr[4]);
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	OFFSET(THREAD_FPR5, task_struct, thread.fpu.fpr[5]);
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	OFFSET(THREAD_FPR6, task_struct, thread.fpu.fpr[6]);
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	OFFSET(THREAD_FPR7, task_struct, thread.fpu.fpr[7]);
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	OFFSET(THREAD_FPR8, task_struct, thread.fpu.fpr[8]);
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	OFFSET(THREAD_FPR9, task_struct, thread.fpu.fpr[9]);
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	OFFSET(THREAD_FPR10, task_struct, thread.fpu.fpr[10]);
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	OFFSET(THREAD_FPR11, task_struct, thread.fpu.fpr[11]);
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	OFFSET(THREAD_FPR12, task_struct, thread.fpu.fpr[12]);
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	OFFSET(THREAD_FPR13, task_struct, thread.fpu.fpr[13]);
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	OFFSET(THREAD_FPR14, task_struct, thread.fpu.fpr[14]);
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	OFFSET(THREAD_FPR15, task_struct, thread.fpu.fpr[15]);
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	OFFSET(THREAD_FPR16, task_struct, thread.fpu.fpr[16]);
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	OFFSET(THREAD_FPR17, task_struct, thread.fpu.fpr[17]);
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	OFFSET(THREAD_FPR18, task_struct, thread.fpu.fpr[18]);
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	OFFSET(THREAD_FPR19, task_struct, thread.fpu.fpr[19]);
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	OFFSET(THREAD_FPR20, task_struct, thread.fpu.fpr[20]);
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	OFFSET(THREAD_FPR21, task_struct, thread.fpu.fpr[21]);
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	OFFSET(THREAD_FPR22, task_struct, thread.fpu.fpr[22]);
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	OFFSET(THREAD_FPR23, task_struct, thread.fpu.fpr[23]);
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	OFFSET(THREAD_FPR24, task_struct, thread.fpu.fpr[24]);
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	OFFSET(THREAD_FPR25, task_struct, thread.fpu.fpr[25]);
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	OFFSET(THREAD_FPR26, task_struct, thread.fpu.fpr[26]);
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	OFFSET(THREAD_FPR27, task_struct, thread.fpu.fpr[27]);
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	OFFSET(THREAD_FPR28, task_struct, thread.fpu.fpr[28]);
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	OFFSET(THREAD_FPR29, task_struct, thread.fpu.fpr[29]);
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	OFFSET(THREAD_FPR30, task_struct, thread.fpu.fpr[30]);
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	OFFSET(THREAD_FPR31, task_struct, thread.fpu.fpr[31]);
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	OFFSET(THREAD_FCR31, task_struct, thread.fpu.fcr31);
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	OFFSET(THREAD_MSA_CSR, task_struct, thread.fpu.msacsr);
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	BLANK();
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}
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#endif
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void output_mm_defines(void);
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void output_mm_defines(void)
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{
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	COMMENT("Size of struct page");
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	DEFINE(STRUCT_PAGE_SIZE, sizeof(struct page));
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	BLANK();
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	COMMENT("Linux mm_struct offsets.");
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	OFFSET(MM_USERS, mm_struct, mm_users);
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	OFFSET(MM_PGD, mm_struct, pgd);
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	OFFSET(MM_CONTEXT, mm_struct, context);
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	BLANK();
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	DEFINE(_PGD_T_SIZE, sizeof(pgd_t));
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	DEFINE(_PMD_T_SIZE, sizeof(pmd_t));
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	DEFINE(_PTE_T_SIZE, sizeof(pte_t));
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	BLANK();
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	DEFINE(_PGD_T_LOG2, PGD_T_LOG2);
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#ifndef __PAGETABLE_PMD_FOLDED
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	DEFINE(_PMD_T_LOG2, PMD_T_LOG2);
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#endif
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	DEFINE(_PTE_T_LOG2, PTE_T_LOG2);
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	BLANK();
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	BLANK();
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	DEFINE(_PMD_SHIFT, PMD_SHIFT);
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	DEFINE(_PGDIR_SHIFT, PGDIR_SHIFT);
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	BLANK();
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	DEFINE(_PTRS_PER_PGD, PTRS_PER_PGD);
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	DEFINE(_PTRS_PER_PMD, PTRS_PER_PMD);
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	DEFINE(_PTRS_PER_PTE, PTRS_PER_PTE);
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	BLANK();
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	DEFINE(_PAGE_SHIFT, PAGE_SHIFT);
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	DEFINE(_PAGE_SIZE, PAGE_SIZE);
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	BLANK();
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}
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#ifdef CONFIG_32BIT
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void output_sc_defines(void);
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void output_sc_defines(void)
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{
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	COMMENT("Linux sigcontext offsets.");
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	OFFSET(SC_REGS, sigcontext, sc_regs);
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	OFFSET(SC_FPREGS, sigcontext, sc_fpregs);
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	OFFSET(SC_ACX, sigcontext, sc_acx);
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	OFFSET(SC_MDHI, sigcontext, sc_mdhi);
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	OFFSET(SC_MDLO, sigcontext, sc_mdlo);
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	OFFSET(SC_PC, sigcontext, sc_pc);
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	OFFSET(SC_FPC_CSR, sigcontext, sc_fpc_csr);
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	OFFSET(SC_FPC_EIR, sigcontext, sc_fpc_eir);
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	OFFSET(SC_HI1, sigcontext, sc_hi1);
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	OFFSET(SC_LO1, sigcontext, sc_lo1);
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	OFFSET(SC_HI2, sigcontext, sc_hi2);
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	OFFSET(SC_LO2, sigcontext, sc_lo2);
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	OFFSET(SC_HI3, sigcontext, sc_hi3);
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	OFFSET(SC_LO3, sigcontext, sc_lo3);
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	BLANK();
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}
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#endif
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#ifdef CONFIG_64BIT
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void output_sc_defines(void);
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void output_sc_defines(void)
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{
252
	COMMENT("Linux sigcontext offsets.");
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	OFFSET(SC_REGS, sigcontext, sc_regs);
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	OFFSET(SC_FPREGS, sigcontext, sc_fpregs);
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	OFFSET(SC_MDHI, sigcontext, sc_mdhi);
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	OFFSET(SC_MDLO, sigcontext, sc_mdlo);
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	OFFSET(SC_PC, sigcontext, sc_pc);
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	OFFSET(SC_FPC_CSR, sigcontext, sc_fpc_csr);
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	BLANK();
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}
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#endif
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263
void output_signal_defined(void);
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void output_signal_defined(void)
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{
266
	COMMENT("Linux signal numbers.");
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	DEFINE(_SIGHUP, SIGHUP);
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	DEFINE(_SIGINT, SIGINT);
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	DEFINE(_SIGQUIT, SIGQUIT);
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	DEFINE(_SIGILL, SIGILL);
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	DEFINE(_SIGTRAP, SIGTRAP);
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	DEFINE(_SIGIOT, SIGIOT);
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	DEFINE(_SIGABRT, SIGABRT);
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	DEFINE(_SIGEMT, SIGEMT);
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	DEFINE(_SIGFPE, SIGFPE);
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	DEFINE(_SIGKILL, SIGKILL);
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	DEFINE(_SIGBUS, SIGBUS);
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	DEFINE(_SIGSEGV, SIGSEGV);
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	DEFINE(_SIGSYS, SIGSYS);
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	DEFINE(_SIGPIPE, SIGPIPE);
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	DEFINE(_SIGALRM, SIGALRM);
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	DEFINE(_SIGTERM, SIGTERM);
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	DEFINE(_SIGUSR1, SIGUSR1);
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	DEFINE(_SIGUSR2, SIGUSR2);
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	DEFINE(_SIGCHLD, SIGCHLD);
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	DEFINE(_SIGPWR, SIGPWR);
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	DEFINE(_SIGWINCH, SIGWINCH);
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	DEFINE(_SIGURG, SIGURG);
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	DEFINE(_SIGIO, SIGIO);
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	DEFINE(_SIGSTOP, SIGSTOP);
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	DEFINE(_SIGTSTP, SIGTSTP);
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	DEFINE(_SIGCONT, SIGCONT);
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	DEFINE(_SIGTTIN, SIGTTIN);
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	DEFINE(_SIGTTOU, SIGTTOU);
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	DEFINE(_SIGVTALRM, SIGVTALRM);
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	DEFINE(_SIGPROF, SIGPROF);
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	DEFINE(_SIGXCPU, SIGXCPU);
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	DEFINE(_SIGXFSZ, SIGXFSZ);
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	BLANK();
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}
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#ifdef CONFIG_CPU_CAVIUM_OCTEON
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void output_octeon_cop2_state_defines(void);
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void output_octeon_cop2_state_defines(void)
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{
306
	COMMENT("Octeon specific octeon_cop2_state offsets.");
307
	OFFSET(OCTEON_CP2_CRC_IV,	octeon_cop2_state, cop2_crc_iv);
308
	OFFSET(OCTEON_CP2_CRC_LENGTH,	octeon_cop2_state, cop2_crc_length);
309
	OFFSET(OCTEON_CP2_CRC_POLY,	octeon_cop2_state, cop2_crc_poly);
310
	OFFSET(OCTEON_CP2_LLM_DAT,	octeon_cop2_state, cop2_llm_dat);
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	OFFSET(OCTEON_CP2_3DES_IV,	octeon_cop2_state, cop2_3des_iv);
312
	OFFSET(OCTEON_CP2_3DES_KEY,	octeon_cop2_state, cop2_3des_key);
313
	OFFSET(OCTEON_CP2_3DES_RESULT,	octeon_cop2_state, cop2_3des_result);
314
	OFFSET(OCTEON_CP2_AES_INP0,	octeon_cop2_state, cop2_aes_inp0);
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	OFFSET(OCTEON_CP2_AES_IV,	octeon_cop2_state, cop2_aes_iv);
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	OFFSET(OCTEON_CP2_AES_KEY,	octeon_cop2_state, cop2_aes_key);
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	OFFSET(OCTEON_CP2_AES_KEYLEN,	octeon_cop2_state, cop2_aes_keylen);
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	OFFSET(OCTEON_CP2_AES_RESULT,	octeon_cop2_state, cop2_aes_result);
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	OFFSET(OCTEON_CP2_GFM_MULT,	octeon_cop2_state, cop2_gfm_mult);
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	OFFSET(OCTEON_CP2_GFM_POLY,	octeon_cop2_state, cop2_gfm_poly);
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	OFFSET(OCTEON_CP2_GFM_RESULT,	octeon_cop2_state, cop2_gfm_result);
322
	OFFSET(OCTEON_CP2_HSH_DATW,	octeon_cop2_state, cop2_hsh_datw);
323
	OFFSET(OCTEON_CP2_HSH_IVW,	octeon_cop2_state, cop2_hsh_ivw);
324
	OFFSET(OCTEON_CP2_SHA3,		octeon_cop2_state, cop2_sha3);
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	OFFSET(THREAD_CP2,	task_struct, thread.cp2);
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#if defined(CONFIG_CAVIUM_OCTEON_CVMSEG_SIZE) && \
327
    CONFIG_CAVIUM_OCTEON_CVMSEG_SIZE > 0
328
	OFFSET(THREAD_CVMSEG,	task_struct, thread.cvmseg.cvmseg);
329
#endif
330
	BLANK();
331
}
332
#endif
333

334
#ifdef CONFIG_HIBERNATION
335
void output_pbe_defines(void);
336
void output_pbe_defines(void)
337
{
338
	COMMENT(" Linux struct pbe offsets. ");
339
	OFFSET(PBE_ADDRESS, pbe, address);
340
	OFFSET(PBE_ORIG_ADDRESS, pbe, orig_address);
341
	OFFSET(PBE_NEXT, pbe, next);
342
	DEFINE(PBE_SIZE, sizeof(struct pbe));
343
	BLANK();
344
}
345
#endif
346

347
#ifdef CONFIG_CPU_PM
348
void output_pm_defines(void);
349
void output_pm_defines(void)
350
{
351
	COMMENT(" PM offsets. ");
352
#ifdef CONFIG_EVA
353
	OFFSET(SSS_SEGCTL0,	mips_static_suspend_state, segctl[0]);
354
	OFFSET(SSS_SEGCTL1,	mips_static_suspend_state, segctl[1]);
355
	OFFSET(SSS_SEGCTL2,	mips_static_suspend_state, segctl[2]);
356
#endif
357
	OFFSET(SSS_SP,		mips_static_suspend_state, sp);
358
	BLANK();
359
}
360
#endif
361

362
#ifdef CONFIG_MIPS_FP_SUPPORT
363
void output_kvm_defines(void);
364
void output_kvm_defines(void)
365
{
366
	COMMENT(" KVM/MIPS Specific offsets. ");
367

368
	OFFSET(VCPU_FPR0, kvm_vcpu_arch, fpu.fpr[0]);
369
	OFFSET(VCPU_FPR1, kvm_vcpu_arch, fpu.fpr[1]);
370
	OFFSET(VCPU_FPR2, kvm_vcpu_arch, fpu.fpr[2]);
371
	OFFSET(VCPU_FPR3, kvm_vcpu_arch, fpu.fpr[3]);
372
	OFFSET(VCPU_FPR4, kvm_vcpu_arch, fpu.fpr[4]);
373
	OFFSET(VCPU_FPR5, kvm_vcpu_arch, fpu.fpr[5]);
374
	OFFSET(VCPU_FPR6, kvm_vcpu_arch, fpu.fpr[6]);
375
	OFFSET(VCPU_FPR7, kvm_vcpu_arch, fpu.fpr[7]);
376
	OFFSET(VCPU_FPR8, kvm_vcpu_arch, fpu.fpr[8]);
377
	OFFSET(VCPU_FPR9, kvm_vcpu_arch, fpu.fpr[9]);
378
	OFFSET(VCPU_FPR10, kvm_vcpu_arch, fpu.fpr[10]);
379
	OFFSET(VCPU_FPR11, kvm_vcpu_arch, fpu.fpr[11]);
380
	OFFSET(VCPU_FPR12, kvm_vcpu_arch, fpu.fpr[12]);
381
	OFFSET(VCPU_FPR13, kvm_vcpu_arch, fpu.fpr[13]);
382
	OFFSET(VCPU_FPR14, kvm_vcpu_arch, fpu.fpr[14]);
383
	OFFSET(VCPU_FPR15, kvm_vcpu_arch, fpu.fpr[15]);
384
	OFFSET(VCPU_FPR16, kvm_vcpu_arch, fpu.fpr[16]);
385
	OFFSET(VCPU_FPR17, kvm_vcpu_arch, fpu.fpr[17]);
386
	OFFSET(VCPU_FPR18, kvm_vcpu_arch, fpu.fpr[18]);
387
	OFFSET(VCPU_FPR19, kvm_vcpu_arch, fpu.fpr[19]);
388
	OFFSET(VCPU_FPR20, kvm_vcpu_arch, fpu.fpr[20]);
389
	OFFSET(VCPU_FPR21, kvm_vcpu_arch, fpu.fpr[21]);
390
	OFFSET(VCPU_FPR22, kvm_vcpu_arch, fpu.fpr[22]);
391
	OFFSET(VCPU_FPR23, kvm_vcpu_arch, fpu.fpr[23]);
392
	OFFSET(VCPU_FPR24, kvm_vcpu_arch, fpu.fpr[24]);
393
	OFFSET(VCPU_FPR25, kvm_vcpu_arch, fpu.fpr[25]);
394
	OFFSET(VCPU_FPR26, kvm_vcpu_arch, fpu.fpr[26]);
395
	OFFSET(VCPU_FPR27, kvm_vcpu_arch, fpu.fpr[27]);
396
	OFFSET(VCPU_FPR28, kvm_vcpu_arch, fpu.fpr[28]);
397
	OFFSET(VCPU_FPR29, kvm_vcpu_arch, fpu.fpr[29]);
398
	OFFSET(VCPU_FPR30, kvm_vcpu_arch, fpu.fpr[30]);
399
	OFFSET(VCPU_FPR31, kvm_vcpu_arch, fpu.fpr[31]);
400

401
	OFFSET(VCPU_FCR31, kvm_vcpu_arch, fpu.fcr31);
402
	OFFSET(VCPU_MSA_CSR, kvm_vcpu_arch, fpu.msacsr);
403
	BLANK();
404
}
405
#endif
406

407
#ifdef CONFIG_MIPS_CPS
408
void output_cps_defines(void);
409
void output_cps_defines(void)
410
{
411
	COMMENT(" MIPS CPS offsets. ");
412

413
	OFFSET(CLUSTERBOOTCFG_CORECONFIG, cluster_boot_config, core_config);
414
	DEFINE(CLUSTERBOOTCFG_SIZE, sizeof(struct cluster_boot_config));
415

416
	OFFSET(COREBOOTCFG_VPEMASK, core_boot_config, vpe_mask);
417
	OFFSET(COREBOOTCFG_VPECONFIG, core_boot_config, vpe_config);
418
	DEFINE(COREBOOTCFG_SIZE, sizeof(struct core_boot_config));
419

420
	OFFSET(VPEBOOTCFG_PC, vpe_boot_config, pc);
421
	OFFSET(VPEBOOTCFG_SP, vpe_boot_config, sp);
422
	OFFSET(VPEBOOTCFG_GP, vpe_boot_config, gp);
423
	DEFINE(VPEBOOTCFG_SIZE, sizeof(struct vpe_boot_config));
424
}
425
#endif
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