1 /* SPDX-License-Identifier: GPL-2.0-or-later * 1 2 /* 3 * Copyright (C) 2011 Tobias Klauser <tklauser 4 */ 5 6 #ifndef _ASM_NIOS2_REGISTERS_H 7 #define _ASM_NIOS2_REGISTERS_H 8 9 #ifndef __ASSEMBLY__ 10 #include <asm/cpuinfo.h> 11 #endif 12 13 /* control register numbers */ 14 #define CTL_FSTATUS 0 15 #define CTL_ESTATUS 1 16 #define CTL_BSTATUS 2 17 #define CTL_IENABLE 3 18 #define CTL_IPENDING 4 19 #define CTL_CPUID 5 20 #define CTL_RSV1 6 21 #define CTL_EXCEPTION 7 22 #define CTL_PTEADDR 8 23 #define CTL_TLBACC 9 24 #define CTL_TLBMISC 10 25 #define CTL_RSV2 11 26 #define CTL_BADADDR 12 27 #define CTL_CONFIG 13 28 #define CTL_MPUBASE 14 29 #define CTL_MPUACC 15 30 31 /* access control registers using GCC builtins 32 #define RDCTL(r) __builtin_rdctl(r) 33 #define WRCTL(r, v) __builtin_wrctl(r, v) 34 35 /* status register bits */ 36 #define STATUS_PIE (1 << 0) /* pro 37 #define STATUS_U (1 << 1) /* use 38 #define STATUS_EH (1 << 2) /* Exc 39 40 /* estatus register bits */ 41 #define ESTATUS_EPIE (1 << 0) /* pro 42 #define ESTATUS_EU (1 << 1) /* use 43 #define ESTATUS_EH (1 << 2) /* Exc 44 45 /* tlbmisc register bits */ 46 #define TLBMISC_PID_SHIFT 4 47 #ifndef __ASSEMBLY__ 48 #define TLBMISC_PID_MASK ((1UL << cpuin 49 #endif 50 #define TLBMISC_WAY_MASK 0xf 51 #define TLBMISC_WAY_SHIFT 20 52 53 #define TLBMISC_PID (TLBMISC_PID_MASK << T 54 #define TLBMISC_WE (1 << 18) /* TLB 55 #define TLBMISC_RD (1 << 19) /* TLB 56 #define TLBMISC_WAY (TLBMISC_WAY_MASK << T 57 58 #endif /* _ASM_NIOS2_REGISTERS_H */ 59
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