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1/* SPDX-License-Identifier: GPL-2.0 */
2/*
3 * Copyright (C) 2008-2009 Michal Simek <monstr@monstr.eu>
4 * Copyright (C) 2008-2009 PetaLogix
5 * Copyright (C) 2006 Atmark Techno, Inc.
6 */
7
8#ifndef _ASM_MICROBLAZE_REGISTERS_H
9#define _ASM_MICROBLAZE_REGISTERS_H
10
11#define MSR_BE (1<<0) /* 0x001 */
12#define MSR_IE (1<<1) /* 0x002 */
13#define MSR_C (1<<2) /* 0x004 */
14#define MSR_BIP (1<<3) /* 0x008 */
15#define MSR_FSL (1<<4) /* 0x010 */
16#define MSR_ICE (1<<5) /* 0x020 */
17#define MSR_DZ (1<<6) /* 0x040 */
18#define MSR_DCE (1<<7) /* 0x080 */
19#define MSR_EE (1<<8) /* 0x100 */
20#define MSR_EIP (1<<9) /* 0x200 */
21#define MSR_CC (1<<31)
22
23/* Floating Point Status Register (FSR) Bits */
24#define FSR_IO (1<<4) /* Invalid operation */
25#define FSR_DZ (1<<3) /* Divide-by-zero */
26#define FSR_OF (1<<2) /* Overflow */
27#define FSR_UF (1<<1) /* Underflow */
28#define FSR_DO (1<<0) /* Denormalized operand error */
29
30# ifdef CONFIG_MMU
31/* Machine State Register (MSR) Fields */
32# define MSR_UM (1<<11) /* User Mode */
33# define MSR_UMS (1<<12) /* User Mode Save */
34# define MSR_VM (1<<13) /* Virtual Mode */
35# define MSR_VMS (1<<14) /* Virtual Mode Save */
36
37# define MSR_KERNEL (MSR_EE | MSR_VM)
38/* # define MSR_USER (MSR_KERNEL | MSR_UM | MSR_IE) */
39# define MSR_KERNEL_VMS (MSR_EE | MSR_VMS)
40/* # define MSR_USER_VMS (MSR_KERNEL_VMS | MSR_UMS | MSR_IE) */
41
42/* Exception State Register (ESR) Fields */
43# define ESR_DIZ (1<<11) /* Zone Protection */
44# define ESR_S (1<<10) /* Store instruction */
45
46# endif /* CONFIG_MMU */
47#endif /* _ASM_MICROBLAZE_REGISTERS_H */