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 */ 51