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