/*
* Copyright (C) 2004-2006 Atmel Corporation
*
* 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 _UAPI__ASM_AVR32_PTRACE_H
#define _UAPI__ASM_AVR32_PTRACE_H

#define PTRACE_GETREGS 12
#define PTRACE_SETREGS 13

/*
* Status Register bits
*/
#define SR_H 0x20000000
#define SR_J 0x10000000
#define SR_DM 0x08000000
#define SR_D 0x04000000
#define MODE_NMI 0x01c00000
#define MODE_EXCEPTION 0x01800000
#define MODE_INT3 0x01400000
#define MODE_INT2 0x01000000
#define MODE_INT1 0x00c00000
#define MODE_INT0 0x00800000
#define MODE_SUPERVISOR 0x00400000
#define MODE_USER 0x00000000
#define MODE_MASK 0x01c00000
#define SR_EM 0x00200000
#define SR_I3M 0x00100000
#define SR_I2M 0x00080000
#define SR_I1M 0x00040000
#define SR_I0M 0x00020000
#define SR_GM 0x00010000

#define SR_H_BIT 29
#define SR_J_BIT 28
#define SR_DM_BIT 27
#define SR_D_BIT 26
#define MODE_SHIFT 22
#define SR_EM_BIT 21
#define SR_I3M_BIT 20
#define SR_I2M_BIT 19
#define SR_I1M_BIT 18
#define SR_I0M_BIT 17
#define SR_GM_BIT 16

/* The user-visible part */
#define SR_L 0x00000020
#define SR_Q 0x00000010
#define SR_V 0x00000008
#define SR_N 0x00000004
#define SR_Z 0x00000002
#define SR_C 0x00000001

#define SR_L_BIT 5
#define SR_Q_BIT 4
#define SR_V_BIT 3
#define SR_N_BIT 2
#define SR_Z_BIT 1
#define SR_C_BIT 0

/*
* The order is defined by the stmts instruction. r0 is stored first,
* so it gets the highest address.
*
* Registers 0-12 are general-purpose registers (r12 is normally used for
* the function return value).
* Register 13 is the stack pointer
* Register 14 is the link register
* Register 15 is the program counter (retrieved from the RAR sysreg)
*/
#define FRAME_SIZE_FULL 72
#define REG_R12_ORIG 68
#define REG_R0 64
#define REG_R1 60
#define REG_R2 56
#define REG_R3 52
#define REG_R4 48
#define REG_R5 44
#define REG_R6 40
#define REG_R7 36
#define REG_R8 32
#define REG_R9 28
#define REG_R10 24
#define REG_R11 20
#define REG_R12 16
#define REG_SP 12
#define REG_LR 8

#define FRAME_SIZE_MIN 8
#define REG_PC 4
#define REG_SR 0

#ifndef __ASSEMBLY__
struct pt_regs {
/* These are always saved */
unsigned long sr;
unsigned long pc;

/* These are sometimes saved */
unsigned long lr;
unsigned long sp;
unsigned long r12;
unsigned long r11;
unsigned long r10;
unsigned long r9;
unsigned long r8;
unsigned long r7;
unsigned long r6;
unsigned long r5;
unsigned long r4;
unsigned long r3;
unsigned long r2;
unsigned long r1;
unsigned long r0;

/* Only saved on system call */
unsigned long r12_orig;
};


#endif /* ! __ASSEMBLY__ */

#endif /* _UAPI__ASM_AVR32_PTRACE_H */