2 * Copyright (C) 2006 Atmel Corporation
4 * See file CREDITS for list of people who contributed to this
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License as
9 * published by the Free Software Foundation; either version 2 of
10 * the License, or (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
22 #ifndef __ASM_AVR32_PTRACE_H
23 #define __ASM_AVR32_PTRACE_H
26 * Status Register bits
28 #define SR_H 0x40000000
29 #define SR_R 0x20000000
30 #define SR_J 0x10000000
31 #define SR_DM 0x08000000
32 #define SR_D 0x04000000
33 #define MODE_NMI 0x01c00000
34 #define MODE_EXCEPTION 0x01800000
35 #define MODE_INT3 0x01400000
36 #define MODE_INT2 0x01000000
37 #define MODE_INT1 0x00c00000
38 #define MODE_INT0 0x00800000
39 #define MODE_SUPERVISOR 0x00400000
40 #define MODE_USER 0x00000000
41 #define MODE_MASK 0x01c00000
42 #define SR_EM 0x00200000
43 #define SR_I3M 0x00100000
44 #define SR_I2M 0x00080000
45 #define SR_I1M 0x00040000
46 #define SR_I0M 0x00020000
47 #define SR_GM 0x00010000
57 /* The user-visible part */
58 #define SR_Q 0x00000010
59 #define SR_V 0x00000008
60 #define SR_N 0x00000004
61 #define SR_Z 0x00000002
62 #define SR_C 0x00000001
65 * The order is defined by the stdsp instruction. r0 is stored first, so it
66 * gets the highest address.
68 * Registers 0-12 are general-purpose registers (r12 is normally used for
69 * the function return value).
70 * Register 13 is the stack pointer
71 * Register 14 is the link register
72 * Register 15 is the program counter
74 #define FRAME_SIZE_FULL 72
75 #define REG_R12_ORIG 68
92 #define FRAME_SIZE_MIN 8
98 /* These are always saved */
102 /* These are sometimes saved */
119 /* Only saved on system call */
120 unsigned long r12_orig;
124 # define user_mode(regs) (((regs)->sr & MODE_MASK) == MODE_USER)
125 # define instruction_pointer(regs) ((regs)->pc)
126 extern void show_regs (struct pt_regs *);
128 static __inline__ int valid_user_regs(struct pt_regs *regs)
131 * Some of the Java bits might be acceptable if/when we
132 * implement some support for that stuff...
134 if ((regs->sr & 0xffff0000) == 0)
138 * Force status register flags to be sane and report this
139 * illegal behaviour...
141 regs->sr &= 0x0000ffff;
146 #endif /* ! __ASSEMBLY__ */
148 #endif /* __ASM_AVR32_PTRACE_H */