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/*
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* Copyright (C) 2011 Andes Technology Corporation
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* Copyright (C) 2010 Shawn Lin (nobuhiro@andestech.com)
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* Copyright (C) 2011 Macpaul Lin (macpaul@andestech.com)
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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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#ifndef __ASM_NDS_PTRACE_H
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#define __ASM_NDS_PTRACE_H
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#define USR_MODE 0x00
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#define SU_MODE 0x01
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#define HV_MODE 0x10
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#define MODE_MASK (0x03<<3)
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#define GIE_BIT 0x01
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#ifndef __ASSEMBLY__
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/* this struct defines the way the registers are stored on the
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stack during a system call. */
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#define NDS32_REG long
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struct pt_regs {
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NDS32_REG ir0;
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NDS32_REG ipsw;
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NDS32_REG ipc;
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NDS32_REG sp;
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NDS32_REG orig_r0;
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NDS32_REG pipsw;
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NDS32_REG pipc;
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NDS32_REG pp0;
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NDS32_REG pp1;
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NDS32_REG d0hi;
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NDS32_REG d0lo;
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NDS32_REG d1hi;
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NDS32_REG d1lo;
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NDS32_REG r[26]; /* r0 - r25 */
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NDS32_REG p0; /* r26 - used by OS */
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NDS32_REG p1; /* r27 - used by OS */
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NDS32_REG fp; /* r28 */
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NDS32_REG gp; /* r29 */
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NDS32_REG lp; /* r30 */
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NDS32_REG fucop_ctl;
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NDS32_REG osp;
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};
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#define processor_mode(regs) \
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(((regs)->ipsw & MODE_MASK) >> 3)
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#define interrupts_enabled(regs) \
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((regs)->ipsw & GIE_BIT)
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/*
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* Offsets used by 'ptrace' system call interface.
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* These can't be changed without breaking binary compatibility
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* with MkLinux, etc.
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*/
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#define PT_R0 0
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#define PT_R1 1
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#define PT_R2 2
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#define PT_R3 3
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#define PT_R4 4
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#define PT_R5 5
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#define PT_R6 6
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#define PT_R7 7
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#define PT_R8 8
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#define PT_R9 9
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#define PT_R10 10
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#define PT_R11 11
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#define PT_R12 12
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#define PT_R13 13
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#define PT_R14 14
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#define PT_R15 15
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#define PT_R16 16
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#define PT_R17 17
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#define PT_R18 18
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#define PT_R19 19
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#define PT_R20 20
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#define PT_R21 21
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#define PT_R22 22
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#define PT_R23 23
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#define PT_R24 24
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#define PT_R25 25
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#endif /* __ASSEMBLY__ */
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#endif /* __ASM_NDS_PTRACE_H */
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