1 /* 2 * Copyright (C) 2008-2009 Michal Simek <monstr@monstr.eu> 3 * Copyright (C) 2008-2009 PetaLogix 4 * Copyright (C) 2006 Atmark Techno, Inc. 5 * 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 8 * for more details. 9 */ 10 11 #ifndef _ASM_MICROBLAZE_REGISTERS_H 12 #define _ASM_MICROBLAZE_REGISTERS_H 13 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) 25 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 */ 32 33 # ifdef CONFIG_MMU 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 */ 39 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) */ 44 45 /* Exception State Register (ESR) Fields */ 46 # define ESR_DIZ (1<<11) /* Zone Protection */ 47 # define ESR_S (1<<10) /* Store instruction */ 48 49 # endif /* CONFIG_MMU */ 50 #endif /* _ASM_MICROBLAZE_REGISTERS_H */