2 * Copyright (C) 2008-2009 Michal Simek <monstr@monstr.eu>
3 * Copyright (C) 2008-2009 PetaLogix
4 * Copyright (C) 2006 Atmark Techno, Inc.
6 * This file is subject to the terms and conditions of the GNU General Public
7 * License. See the file "COPYING" in the main directory of this archive
11 #ifndef _ASM_MICROBLAZE_REGISTERS_H
12 #define _ASM_MICROBLAZE_REGISTERS_H
14 #define MSR_BE (1<<0) /* 0x001 */
15 #define MSR_IE (1<<1) /* 0x002 */
16 #define MSR_C (1<<2) /* 0x004 */
17 #define MSR_BIP (1<<3) /* 0x008 */
18 #define MSR_FSL (1<<4) /* 0x010 */
19 #define MSR_ICE (1<<5) /* 0x020 */
20 #define MSR_DZ (1<<6) /* 0x040 */
21 #define MSR_DCE (1<<7) /* 0x080 */
22 #define MSR_EE (1<<8) /* 0x100 */
23 #define MSR_EIP (1<<9) /* 0x200 */
24 #define MSR_CC (1<<31)
26 /* Floating Point Status Register (FSR) Bits */
27 #define FSR_IO (1<<4) /* Invalid operation */
28 #define FSR_DZ (1<<3) /* Divide-by-zero */
29 #define FSR_OF (1<<2) /* Overflow */
30 #define FSR_UF (1<<1) /* Underflow */
31 #define FSR_DO (1<<0) /* Denormalized operand error */
34 /* Machine State Register (MSR) Fields */
35 # define MSR_UM (1<<11) /* User Mode */
36 # define MSR_UMS (1<<12) /* User Mode Save */
37 # define MSR_VM (1<<13) /* Virtual Mode */
38 # define MSR_VMS (1<<14) /* Virtual Mode Save */
40 # define MSR_KERNEL (MSR_EE | MSR_VM)
41 /* # define MSR_USER (MSR_KERNEL | MSR_UM | MSR_IE) */
42 # define MSR_KERNEL_VMS (MSR_EE | MSR_VMS)
43 /* # define MSR_USER_VMS (MSR_KERNEL_VMS | MSR_UMS | MSR_IE) */
45 /* Exception State Register (ESR) Fields */
46 # define ESR_DIZ (1<<11) /* Zone Protection */
47 # define ESR_S (1<<10) /* Store instruction */
49 # endif /* CONFIG_MMU */
50 #endif /* _ASM_MICROBLAZE_REGISTERS_H */