655 lines
29 KiB
C
655 lines
29 KiB
C
/* $NetBSD: armreg.h,v 1.69 2012/09/27 21:48:17 matt Exp $ */
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/*
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* Copyright (c) 1998, 2001 Ben Harris
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* Copyright (c) 1994-1996 Mark Brinicombe.
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* Copyright (c) 1994 Brini.
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* All rights reserved.
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*
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* This code is derived from software written for Brini by Mark Brinicombe
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Brini.
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* 4. The name of the company nor the name of the author may be used to
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* endorse or promote products derived from this software without specific
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* prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY BRINI ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL BRINI OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef _ARM_ARMREG_H
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#define _ARM_ARMREG_H
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/*
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* ARM Process Status Register
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*
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* The picture in the ARM manuals looks like this:
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* 3 3 2 2 2 2
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* 1 0 9 8 7 6 8 7 6 5 4 0
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* +-+-+-+-+-+-------------------------------------+-+-+-+---------+
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* |N|Z|C|V|Q| reserved |I|F|T|M M M M M|
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* | | | | | | | | | |4 3 2 1 0|
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* +-+-+-+-+-+-------------------------------------+-+-+-+---------+
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*/
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#define PSR_FLAGS 0xf0000000 /* flags */
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#define PSR_N_bit (1 << 31) /* negative */
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#define PSR_Z_bit (1 << 30) /* zero */
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#define PSR_C_bit (1 << 29) /* carry */
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#define PSR_V_bit (1 << 28) /* overflow */
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#define PSR_Q_bit (1 << 27) /* saturation */
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#define I32_bit (1 << 7) /* IRQ disable */
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#define F32_bit (1 << 6) /* FIQ disable */
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#define IF32_bits (3 << 6) /* IRQ/FIQ disable */
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#define PSR_T_bit (1 << 5) /* Thumb state */
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#define PSR_J_bit (1 << 24) /* Java mode */
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#ifdef __minix
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/* Minix uses these aliases */
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#define PSR_F F32_bit
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#define PSR_I I32_bit
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#endif
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#define PSR_MODE 0x0000001f /* mode mask */
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#define PSR_USR26_MODE 0x00000000
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#define PSR_FIQ26_MODE 0x00000001
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#define PSR_IRQ26_MODE 0x00000002
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#define PSR_SVC26_MODE 0x00000003
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#define PSR_USR32_MODE 0x00000010
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#define PSR_FIQ32_MODE 0x00000011
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#define PSR_IRQ32_MODE 0x00000012
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#define PSR_SVC32_MODE 0x00000013
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#define PSR_MON32_MODE 0x00000016
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#define PSR_ABT32_MODE 0x00000017
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#define PSR_HYP32_MODE 0x0000001a
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#define PSR_UND32_MODE 0x0000001b
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#define PSR_SYS32_MODE 0x0000001f
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#define PSR_32_MODE 0x00000010
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#define PSR_IN_USR_MODE(psr) (!((psr) & 3)) /* XXX */
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#define PSR_IN_32_MODE(psr) ((psr) & PSR_32_MODE)
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/* In 26-bit modes, the PSR is stuffed into R15 along with the PC. */
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#define R15_MODE 0x00000003
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#define R15_MODE_USR 0x00000000
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#define R15_MODE_FIQ 0x00000001
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#define R15_MODE_IRQ 0x00000002
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#define R15_MODE_SVC 0x00000003
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#define R15_PC 0x03fffffc
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#define R15_FIQ_DISABLE 0x04000000
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#define R15_IRQ_DISABLE 0x08000000
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#define R15_FLAGS 0xf0000000
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#define R15_FLAG_N 0x80000000
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#define R15_FLAG_Z 0x40000000
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#define R15_FLAG_C 0x20000000
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#define R15_FLAG_V 0x10000000
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/*
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* Co-processor 15: The system control co-processor.
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*/
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#define ARM_CP15_CPU_ID 0
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/*
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* The CPU ID register is theoretically structured, but the definitions of
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* the fields keep changing.
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*/
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/* The high-order byte is always the implementor */
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#define CPU_ID_IMPLEMENTOR_MASK 0xff000000
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#define CPU_ID_ARM_LTD 0x41000000 /* 'A' */
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#define CPU_ID_DEC 0x44000000 /* 'D' */
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#define CPU_ID_INTEL 0x69000000 /* 'i' */
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#define CPU_ID_TI 0x54000000 /* 'T' */
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#define CPU_ID_MARVELL 0x56000000 /* 'V' */
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#define CPU_ID_FARADAY 0x66000000 /* 'f' */
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/* How to decide what format the CPUID is in. */
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#define CPU_ID_ISOLD(x) (((x) & 0x0000f000) == 0x00000000)
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#define CPU_ID_IS7(x) (((x) & 0x0000f000) == 0x00007000)
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#define CPU_ID_ISNEW(x) (!CPU_ID_ISOLD(x) && !CPU_ID_IS7(x))
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/* On ARM3 and ARM6, this byte holds the foundry ID. */
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#define CPU_ID_FOUNDRY_MASK 0x00ff0000
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#define CPU_ID_FOUNDRY_VLSI 0x00560000
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/* On ARM7 it holds the architecture and variant (sub-model) */
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#define CPU_ID_7ARCH_MASK 0x00800000
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#define CPU_ID_7ARCH_V3 0x00000000
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#define CPU_ID_7ARCH_V4T 0x00800000
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#define CPU_ID_7VARIANT_MASK 0x007f0000
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/* On more recent ARMs, it does the same, but in a different format */
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#define CPU_ID_ARCH_MASK 0x000f0000
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#define CPU_ID_ARCH_V3 0x00000000
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#define CPU_ID_ARCH_V4 0x00010000
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#define CPU_ID_ARCH_V4T 0x00020000
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#define CPU_ID_ARCH_V5 0x00030000
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#define CPU_ID_ARCH_V5T 0x00040000
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#define CPU_ID_ARCH_V5TE 0x00050000
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#define CPU_ID_ARCH_V5TEJ 0x00060000
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#define CPU_ID_ARCH_V6 0x00070000
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#define CPU_ID_VARIANT_MASK 0x00f00000
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/* Next three nybbles are part number */
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#define CPU_ID_PARTNO_MASK 0x0000fff0
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/* Intel XScale has sub fields in part number */
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#define CPU_ID_XSCALE_COREGEN_MASK 0x0000e000 /* core generation */
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#define CPU_ID_XSCALE_COREREV_MASK 0x00001c00 /* core revision */
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#define CPU_ID_XSCALE_PRODUCT_MASK 0x000003f0 /* product number */
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/* And finally, the revision number. */
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#define CPU_ID_REVISION_MASK 0x0000000f
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/* Individual CPUs are probably best IDed by everything but the revision. */
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#define CPU_ID_CPU_MASK 0xfffffff0
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/* Fake CPU IDs for ARMs without CP15 */
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#define CPU_ID_ARM2 0x41560200
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#define CPU_ID_ARM250 0x41560250
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/* Pre-ARM7 CPUs -- [15:12] == 0 */
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#define CPU_ID_ARM3 0x41560300
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#define CPU_ID_ARM600 0x41560600
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#define CPU_ID_ARM610 0x41560610
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#define CPU_ID_ARM620 0x41560620
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/* ARM7 CPUs -- [15:12] == 7 */
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#define CPU_ID_ARM700 0x41007000 /* XXX This is a guess. */
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#define CPU_ID_ARM710 0x41007100
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#define CPU_ID_ARM7500 0x41027100
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#define CPU_ID_ARM710A 0x41047100 /* inc ARM7100 */
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#define CPU_ID_ARM7500FE 0x41077100
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#define CPU_ID_ARM710T 0x41807100
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#define CPU_ID_ARM720T 0x41807200
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#define CPU_ID_ARM740T8K 0x41807400 /* XXX no MMU, 8KB cache */
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#define CPU_ID_ARM740T4K 0x41817400 /* XXX no MMU, 4KB cache */
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/* Post-ARM7 CPUs */
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#define CPU_ID_ARM810 0x41018100
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#define CPU_ID_ARM920T 0x41129200
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#define CPU_ID_ARM922T 0x41029220
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#define CPU_ID_ARM926EJS 0x41069260
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#define CPU_ID_ARM940T 0x41029400 /* XXX no MMU */
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#define CPU_ID_ARM946ES 0x41049460 /* XXX no MMU */
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#define CPU_ID_ARM966ES 0x41049660 /* XXX no MMU */
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#define CPU_ID_ARM966ESR1 0x41059660 /* XXX no MMU */
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#define CPU_ID_ARM1020E 0x4115a200 /* (AKA arm10 rev 1) */
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#define CPU_ID_ARM1022ES 0x4105a220
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#define CPU_ID_ARM1026EJS 0x4106a260
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#define CPU_ID_ARM11MPCORE 0x410fb020
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#define CPU_ID_ARM1136JS 0x4107b360
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#define CPU_ID_ARM1136JSR1 0x4117b360
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#define CPU_ID_ARM1156T2S 0x4107b560 /* MPU only */
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#define CPU_ID_ARM1176JZS 0x410fb760
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#define CPU_ID_ARM11_P(n) ((n & 0xff07f000) == 0x4107b000)
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#define CPU_ID_CORTEXA5R0 0x410fc050
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#define CPU_ID_CORTEXA8R1 0x411fc080
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#define CPU_ID_CORTEXA8R2 0x412fc080
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#define CPU_ID_CORTEXA8R3 0x413fc080
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#define CPU_ID_CORTEXA9R2 0x411fc090
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#define CPU_ID_CORTEXA9R3 0x412fc090
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#define CPU_ID_CORTEXA9R4 0x413fc090
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#define CPU_ID_CORTEXA15R2 0x412fc0f0
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#define CPU_ID_CORTEXA15R3 0x413fc0f0
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#define CPU_ID_CORTEX_P(n) ((n & 0xff0ff000) == 0x410fc000)
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#define CPU_ID_CORTEX_A8_P(n) ((n & 0xff0ff0f0) == 0x410fc080)
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#define CPU_ID_CORTEX_A9_P(n) ((n & 0xff0ff0f0) == 0x410fc090)
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#define CPU_ID_SA110 0x4401a100
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#define CPU_ID_SA1100 0x4401a110
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#define CPU_ID_TI925T 0x54029250
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#define CPU_ID_MV88FR571_VD 0x56155710
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#define CPU_ID_MV88SV131 0x56251310
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#define CPU_ID_FA526 0x66015260
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#define CPU_ID_SA1110 0x6901b110
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#define CPU_ID_IXP1200 0x6901c120
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#define CPU_ID_80200 0x69052000
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#define CPU_ID_PXA250 0x69052100 /* sans core revision */
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#define CPU_ID_PXA210 0x69052120
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#define CPU_ID_PXA250A 0x69052100 /* 1st version Core */
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#define CPU_ID_PXA210A 0x69052120 /* 1st version Core */
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#define CPU_ID_PXA250B 0x69052900 /* 3rd version Core */
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#define CPU_ID_PXA210B 0x69052920 /* 3rd version Core */
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#define CPU_ID_PXA250C 0x69052d00 /* 4th version Core */
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#define CPU_ID_PXA210C 0x69052d20 /* 4th version Core */
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#define CPU_ID_PXA27X 0x69054110
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#define CPU_ID_80321_400 0x69052420
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#define CPU_ID_80321_600 0x69052430
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#define CPU_ID_80321_400_B0 0x69052c20
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#define CPU_ID_80321_600_B0 0x69052c30
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#define CPU_ID_80219_400 0x69052e20
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#define CPU_ID_80219_600 0x69052e30
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#define CPU_ID_IXP425_533 0x690541c0
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#define CPU_ID_IXP425_400 0x690541d0
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#define CPU_ID_IXP425_266 0x690541f0
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/* ARM3-specific coprocessor 15 registers */
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#define ARM3_CP15_FLUSH 1
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#define ARM3_CP15_CONTROL 2
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#define ARM3_CP15_CACHEABLE 3
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#define ARM3_CP15_UPDATEABLE 4
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#define ARM3_CP15_DISRUPTIVE 5
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/* ARM3 Control register bits */
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#define ARM3_CTL_CACHE_ON 0x00000001
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#define ARM3_CTL_SHARED 0x00000002
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#define ARM3_CTL_MONITOR 0x00000004
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/*
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* Post-ARM3 CP15 registers:
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*
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* 1 Control register
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*
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* 2 Translation Table Base
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*
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* 3 Domain Access Control
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*
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* 4 Reserved
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*
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* 5 Fault Status
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*
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* 6 Fault Address
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*
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* 7 Cache/write-buffer Control
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*
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* 8 TLB Control
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*
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* 9 Cache Lockdown
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*
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* 10 TLB Lockdown
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*
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* 11 Reserved
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*
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* 12 Reserved
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*
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* 13 Process ID (for FCSE)
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*
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* 14 Reserved
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*
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* 15 Implementation Dependent
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*/
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/* Some of the definitions below need cleaning up for V3/V4 architectures */
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/* CPU control register (CP15 register 1) */
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#define CPU_CONTROL_MMU_ENABLE 0x00000001 /* M: MMU/Protection unit enable */
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#define CPU_CONTROL_AFLT_ENABLE 0x00000002 /* A: Alignment fault enable */
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#define CPU_CONTROL_DC_ENABLE 0x00000004 /* C: IDC/DC enable */
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#define CPU_CONTROL_WBUF_ENABLE 0x00000008 /* W: Write buffer enable */
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#define CPU_CONTROL_32BP_ENABLE 0x00000010 /* P: 32-bit exception handlers */
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#define CPU_CONTROL_32BD_ENABLE 0x00000020 /* D: 32-bit addressing */
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#define CPU_CONTROL_LABT_ENABLE 0x00000040 /* L: Late abort enable */
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#define CPU_CONTROL_BEND_ENABLE 0x00000080 /* B: Big-endian mode */
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#define CPU_CONTROL_SYST_ENABLE 0x00000100 /* S: System protection bit */
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#define CPU_CONTROL_ROM_ENABLE 0x00000200 /* R: ROM protection bit */
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#define CPU_CONTROL_CPCLK 0x00000400 /* F: Implementation defined */
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#define CPU_CONTROL_SWP_ENABLE 0x00000400 /* SW: SWP{B} perform normally. */
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#define CPU_CONTROL_BPRD_ENABLE 0x00000800 /* Z: Branch prediction enable */
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#define CPU_CONTROL_IC_ENABLE 0x00001000 /* I: IC enable */
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#define CPU_CONTROL_VECRELOC 0x00002000 /* V: Vector relocation */
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#define CPU_CONTROL_ROUNDROBIN 0x00004000 /* RR: Predictable replacement */
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#define CPU_CONTROL_V4COMPAT 0x00008000 /* L4: ARMv4 compat LDR R15 etc */
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#define CPU_CONTROL_FI_ENABLE 0x00200000 /* FI: Low interrupt latency */
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#define CPU_CONTROL_UNAL_ENABLE 0x00400000 /* U: unaligned data access */
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#define CPU_CONTROL_XP_ENABLE 0x00800000 /* XP: extended page table */
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#define CPU_CONTROL_V_ENABLE 0x01000000 /* VE: Interrupt vectors enable */
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#define CPU_CONTROL_EX_BEND 0x02000000 /* EE: exception endianness */
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#define CPU_CONTROL_NMFI 0x08000000 /* NMFI: Non maskable FIQ */
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#define CPU_CONTROL_TR_ENABLE 0x10000000 /* TRE: */
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#define CPU_CONTROL_AF_ENABLE 0x20000000 /* AFE: Access flag enable */
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#define CPU_CONTROL_TE_ENABLE 0x40000000 /* TE: Thumb Exception enable */
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#define CPU_CONTROL_IDC_ENABLE CPU_CONTROL_DC_ENABLE
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/* ARMv6/ARMv7 Co-Processor Access Control Register (CP15, 0, c1, c0, 2) */
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#define CPACR_V7_ASEDIS 0x80000000 /* Disable Advanced SIMD Ext. */
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#define CPACR_V7_D32DIS 0x40000000 /* Disable VFP regs 15-31 */
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#define CPACR_CPn(n) (3 << (2*n))
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#define CPACR_NOACCESS 0 /* reset value */
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#define CPACR_PRIVED 1 /* Privileged mode access */
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#define CPACR_RESERVED 2
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#define CPACR_ALL 3 /* Privileged and User mode access */
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/* ARM11x6 Auxiliary Control Register (CP15 register 1, opcode2 1) */
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#define ARM11X6_AUXCTL_RS 0x00000001 /* return stack */
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#define ARM11X6_AUXCTL_DB 0x00000002 /* dynamic branch prediction */
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#define ARM11X6_AUXCTL_SB 0x00000004 /* static branch prediction */
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#define ARM11X6_AUXCTL_TR 0x00000008 /* MicroTLB replacement strat. */
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#define ARM11X6_AUXCTL_EX 0x00000010 /* exclusive L1/L2 cache */
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#define ARM11X6_AUXCTL_RA 0x00000020 /* clean entire cache disable */
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#define ARM11X6_AUXCTL_RV 0x00000040 /* block transfer cache disable */
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#define ARM11X6_AUXCTL_CZ 0x00000080 /* restrict cache size */
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/* ARM1136 Auxiliary Control Register (CP15 register 1, opcode2 1) */
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#define ARM1136_AUXCTL_PFI 0x80000000 /* PFI: partial FI mode. */
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/* This is an undocumented flag
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* used to work around a cache bug
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* in r0 steppings. See errata
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* 364296.
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*/
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/* ARM1176 Auxiliary Control Register (CP15 register 1, opcode2 1) */
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#define ARM1176_AUXCTL_PHD 0x10000000 /* inst. prefetch halting disable */
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#define ARM1176_AUXCTL_BFD 0x20000000 /* branch folding disable */
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#define ARM1176_AUXCTL_FSD 0x40000000 /* force speculative ops disable */
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#define ARM1176_AUXCTL_FIO 0x80000000 /* low intr latency override */
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/* Cortex-A9 Auxiliary Control Register (CP15 register 1, opcode2 1) */
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#define CORTEXA9_AUXCTL_PARITY 0x00000200 /* Enable parity */
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#define CORTEXA9_AUXCTL_1WAY 0x00000100 /* Alloc in one way only */
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#define CORTEXA9_AUXCTL_EXCL 0x00000080 /* Exclusive cache */
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#define CORTEXA9_AUXCTL_SMP 0x00000040 /* CPU is in SMP mode */
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#define CORTEXA9_AUXCTL_WRZERO 0x00000008 /* Write full line of zeroes */
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#define CORTEXA9_AUXCTL_L1PLD 0x00000004 /* L1 Dside prefetch */
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#define CORTEXA9_AUXCTL_L2PLD 0x00000002 /* L2 Dside prefetch */
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#define CORTEXA9_AUXCTL_FW 0x00000001 /* Forward Cache/TLB ops */
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/* XScale Auxiliary Control Register (CP15 register 1, opcode2 1) */
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#define XSCALE_AUXCTL_K 0x00000001 /* dis. write buffer coalescing */
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#define XSCALE_AUXCTL_P 0x00000002 /* ECC protect page table access */
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#define XSCALE_AUXCTL_MD_WB_RA 0x00000000 /* mini-D$ wb, read-allocate */
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#define XSCALE_AUXCTL_MD_WB_RWA 0x00000010 /* mini-D$ wb, read/write-allocate */
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#define XSCALE_AUXCTL_MD_WT 0x00000020 /* mini-D$ wt, read-allocate */
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#define XSCALE_AUXCTL_MD_MASK 0x00000030
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/* ARM11 MPCore Auxiliary Control Register (CP15 register 1, opcode2 1) */
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#define MPCORE_AUXCTL_RS 0x00000001 /* return stack */
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#define MPCORE_AUXCTL_DB 0x00000002 /* dynamic branch prediction */
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#define MPCORE_AUXCTL_SB 0x00000004 /* static branch prediction */
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#define MPCORE_AUXCTL_F 0x00000008 /* instruction folding enable */
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#define MPCORE_AUXCTL_EX 0x00000010 /* exclusive L1/L2 cache */
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#define MPCORE_AUXCTL_SA 0x00000020 /* SMP/AMP */
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/* Cortex-A9 Auxiliary Control Register (CP15 register 1, opcode 1) */
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#define CORTEXA9_AUXCTL_FW 0x00000001 /* Cache and TLB updates broadcast */
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#define CORTEXA9_AUXCTL_L2_PLD 0x00000002 /* Prefetch hint enable */
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#define CORTEXA9_AUXCTL_L1_PLD 0x00000004 /* Data prefetch hint enable */
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#define CORTEXA9_AUXCTL_WR_ZERO 0x00000008 /* Ena. write full line of 0s mode */
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#define CORTEXA9_AUXCTL_SMP 0x00000040 /* Coherency is active */
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#define CORTEXA9_AUXCTL_EXCL 0x00000080 /* Exclusive cache bit */
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#define CORTEXA9_AUXCTL_ONEWAY 0x00000100 /* Allocate in on cache way only */
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#define CORTEXA9_AUXCTL_PARITY 0x00000200 /* Support parity checking */
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/* Marvell Feroceon Extra Features Register (CP15 register 1, opcode2 0) */
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#define FC_DCACHE_REPL_LOCK 0x80000000 /* Replace DCache Lock */
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#define FC_DCACHE_STREAM_EN 0x20000000 /* DCache Streaming Switch */
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#define FC_WR_ALLOC_EN 0x10000000 /* Enable Write Allocate */
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#define FC_L2_PREF_DIS 0x01000000 /* L2 Cache Prefetch Disable */
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#define FC_L2_INV_EVICT_LINE 0x00800000 /* L2 Invalidates Uncorrectable Error Line Eviction */
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#define FC_L2CACHE_EN 0x00400000 /* L2 enable */
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#define FC_ICACHE_REPL_LOCK 0x00080000 /* Replace ICache Lock */
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#define FC_GLOB_HIST_REG_EN 0x00040000 /* Branch Global History Register Enable */
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#define FC_BRANCH_TARG_BUF_DIS 0x00020000 /* Branch Target Buffer Disable */
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#define FC_L1_PAR_ERR_EN 0x00010000 /* L1 Parity Error Enable */
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/* Cache type register definitions 0 */
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#define CPU_CT_FORMAT(x) (((x) >> 29) & 0x7) /* reg format */
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#define CPU_CT_ISIZE(x) ((x) & 0xfff) /* I$ info */
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#define CPU_CT_DSIZE(x) (((x) >> 12) & 0xfff) /* D$ info */
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#define CPU_CT_S (1U << 24) /* split cache */
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#define CPU_CT_CTYPE(x) (((x) >> 25) & 0xf) /* cache type */
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#define CPU_CT_CTYPE_WT 0 /* write-through */
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#define CPU_CT_CTYPE_WB1 1 /* write-back, clean w/ read */
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#define CPU_CT_CTYPE_WB2 2 /* w/b, clean w/ cp15,7 */
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#define CPU_CT_CTYPE_WB6 6 /* w/b, cp15,7, lockdown fmt A */
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#define CPU_CT_CTYPE_WB7 7 /* w/b, cp15,7, lockdown fmt B */
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#define CPU_CT_CTYPE_WB14 14 /* w/b, cp15,7, lockdown fmt C */
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#define CPU_CT_xSIZE_LEN(x) ((x) & 0x3) /* line size */
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#define CPU_CT_xSIZE_M (1U << 2) /* multiplier */
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#define CPU_CT_xSIZE_ASSOC(x) (((x) >> 3) & 0x7) /* associativity */
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#define CPU_CT_xSIZE_SIZE(x) (((x) >> 6) & 0x7) /* size */
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#define CPU_CT_xSIZE_P (1U << 11) /* need to page-color */
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/* format 4 definitions */
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#define CPU_CT4_ILINE(x) ((x) & 0xf) /* I$ line size */
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#define CPU_CT4_DLINE(x) (((x) >> 16) & 0xf) /* D$ line size */
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#define CPU_CT4_L1IPOLICY(x) (((x) >> 14) & 0x3) /* I$ policy */
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#define CPU_CT4_L1_AIVIVT 1 /* ASID tagged VIVT */
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#define CPU_CT4_L1_VIPT 2 /* VIPT */
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#define CPU_CT4_L1_PIPT 3 /* PIPT */
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#define CPU_CT4_ERG(x) (((x) >> 20) & 0xf) /* Cache WriteBack Granule */
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#define CPU_CT4_CWG(x) (((x) >> 24) & 0xf) /* Exclusive Resv. Granule */
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/* Cache size identifaction register definitions 1, Rd, c0, c0, 0 */
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#define CPU_CSID_CTYPE_WT 0x80000000 /* write-through avail */
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#define CPU_CSID_CTYPE_WB 0x40000000 /* write-back avail */
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#define CPU_CSID_CTYPE_RA 0x20000000 /* read-allocation avail */
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#define CPU_CSID_CTYPE_WA 0x10000000 /* write-allocation avail */
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#define CPU_CSID_NUMSETS(x) (((x) >> 13) & 0x7fff)
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#define CPU_CSID_ASSOC(x) (((x) >> 3) & 0x1ff)
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#define CPU_CSID_LEN(x) ((x) & 0x07)
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/* Cache size selection register definitions 2, Rd, c0, c0, 0 */
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#define CPU_CSSR_L2 0x00000002
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#define CPU_CSSR_L1 0x00000000
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#define CPU_CSSR_InD 0x00000001
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/* Fault status register definitions */
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#define FAULT_TYPE_MASK 0x0f
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#define FAULT_USER 0x10
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#define FAULT_WRTBUF_0 0x00 /* Vector Exception */
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#define FAULT_WRTBUF_1 0x02 /* Terminal Exception */
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#define FAULT_BUSERR_0 0x04 /* External Abort on Linefetch -- Section */
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#define FAULT_BUSERR_1 0x06 /* External Abort on Linefetch -- Page */
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#define FAULT_BUSERR_2 0x08 /* External Abort on Non-linefetch -- Section */
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#define FAULT_BUSERR_3 0x0a /* External Abort on Non-linefetch -- Page */
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#define FAULT_BUSTRNL1 0x0c /* External abort on Translation -- Level 1 */
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#define FAULT_BUSTRNL2 0x0e /* External abort on Translation -- Level 2 */
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#define FAULT_ALIGN_0 0x01 /* Alignment */
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#define FAULT_ALIGN_1 0x03 /* Alignment */
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#define FAULT_TRANS_S 0x05 /* Translation -- Section */
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#define FAULT_TRANS_P 0x07 /* Translation -- Page */
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#define FAULT_DOMAIN_S 0x09 /* Domain -- Section */
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#define FAULT_DOMAIN_P 0x0b /* Domain -- Page */
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#define FAULT_PERM_S 0x0d /* Permission -- Section */
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#define FAULT_PERM_P 0x0f /* Permission -- Page */
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|
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#define FAULT_IMPRECISE 0x400 /* Imprecise exception (XSCALE) */
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|
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/*
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* Address of the vector page, low and high versions.
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*/
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#define ARM_VECTORS_LOW 0x00000000U
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#define ARM_VECTORS_HIGH 0xffff0000U
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|
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/*
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* ARM Instructions
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*
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* 3 3 2 2 2
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* 1 0 9 8 7 0
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* +-------+-------------------------------------------------------+
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* | cond | instruction dependent |
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* |c c c c| |
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* +-------+-------------------------------------------------------+
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*/
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#define INSN_SIZE 4 /* Always 4 bytes */
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#define INSN_COND_MASK 0xf0000000 /* Condition mask */
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#define INSN_COND_AL 0xe0000000 /* Always condition */
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#define THUMB_INSN_SIZE 2 /* Some are 4 bytes. */
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|
|
/*
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* Defines and such for arm11 Performance Monitor Counters (p15, c15, c12, 0)
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|
*/
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#define ARM11_PMCCTL_E __BIT(0) /* enable all three counters */
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#define ARM11_PMCCTL_P __BIT(1) /* reset both Count Registers to zero */
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#define ARM11_PMCCTL_C __BIT(2) /* reset the Cycle Counter Register to zero */
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#define ARM11_PMCCTL_D __BIT(3) /* cycle count divide by 64 */
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#define ARM11_PMCCTL_EC0 __BIT(4) /* Enable Counter Register 0 interrupt */
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#define ARM11_PMCCTL_EC1 __BIT(5) /* Enable Counter Register 1 interrupt */
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#define ARM11_PMCCTL_ECC __BIT(6) /* Enable Cycle Counter interrupt */
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#define ARM11_PMCCTL_SBZa __BIT(7) /* UNP/SBZ */
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#define ARM11_PMCCTL_CR0 __BIT(8) /* Count Register 0 overflow flag */
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#define ARM11_PMCCTL_CR1 __BIT(9) /* Count Register 1 overflow flag */
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#define ARM11_PMCCTL_CCR __BIT(10) /* Cycle Count Register overflow flag */
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#define ARM11_PMCCTL_X __BIT(11) /* Enable Export of the events to the event bus */
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#define ARM11_PMCCTL_EVT1 __BITS(19,12) /* source of events for Count Register 1 */
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#define ARM11_PMCCTL_EVT0 __BITS(27,20) /* source of events for Count Register 0 */
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#define ARM11_PMCCTL_SBZb __BITS(31,28) /* UNP/SBZ */
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#define ARM11_PMCCTL_SBZ \
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(ARM11_PMCCTL_SBZa | ARM11_PMCCTL_SBZb)
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#define ARM11_PMCEVT_ICACHE_MISS 0 /* Instruction Cache Miss */
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#define ARM11_PMCEVT_ISTREAM_STALL 1 /* Instruction Stream Stall */
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#define ARM11_PMCEVT_IUTLB_MISS 2 /* Instruction uTLB Miss */
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#define ARM11_PMCEVT_DUTLB_MISS 3 /* Data uTLB Miss */
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#define ARM11_PMCEVT_BRANCH 4 /* Branch Inst. Executed */
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#define ARM11_PMCEVT_BRANCH_MISS 6 /* Branch mispredicted */
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#define ARM11_PMCEVT_INST_EXEC 7 /* Instruction Executed */
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#define ARM11_PMCEVT_DCACHE_ACCESS0 9 /* Data Cache Access */
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#define ARM11_PMCEVT_DCACHE_ACCESS1 10 /* Data Cache Access */
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#define ARM11_PMCEVT_DCACHE_MISS 11 /* Data Cache Miss */
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|
#define ARM11_PMCEVT_DCACHE_WRITEBACK 12 /* Data Cache Writeback */
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|
#define ARM11_PMCEVT_PC_CHANGE 13 /* Software PC change */
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|
#define ARM11_PMCEVT_TLB_MISS 15 /* Main TLB Miss */
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|
#define ARM11_PMCEVT_DATA_ACCESS 16 /* non-cached data access */
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|
#define ARM11_PMCEVT_LSU_STALL 17 /* Load/Store Unit stall */
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|
#define ARM11_PMCEVT_WBUF_DRAIN 18 /* Write buffer drained */
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|
#define ARM11_PMCEVT_ETMEXTOUT0 32 /* ETMEXTOUT[0] asserted */
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|
#define ARM11_PMCEVT_ETMEXTOUT1 33 /* ETMEXTOUT[1] asserted */
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|
#define ARM11_PMCEVT_ETMEXTOUT 34 /* ETMEXTOUT[0 & 1] */
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|
#define ARM11_PMCEVT_CALL_EXEC 35 /* Procedure call executed */
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|
#define ARM11_PMCEVT_RETURN_EXEC 36 /* Return executed */
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|
#define ARM11_PMCEVT_RETURN_HIT 37 /* return address predicted */
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|
#define ARM11_PMCEVT_RETURN_MISS 38 /* return addr. mispredicted */
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|
#define ARM11_PMCEVT_CYCLE 255 /* Increment each cycle */
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|
|
|
/* Defines for ARM CORTEX performance counters */
|
|
#define CORTEX_CNTENS_C __BIT(31) /* Enables the cycle counter */
|
|
#define CORTEX_CNTENC_C __BIT(31) /* Disables the cycle counter */
|
|
#define CORTEX_CNTOFL_C __BIT(31) /* Cycle counter overflow flag */
|
|
|
|
#if !defined(__ASSEMBLER__)
|
|
#define ARMREG_READ_INLINE(name, __insnstring) \
|
|
static inline uint32_t armreg_##name##_read(void) \
|
|
{ \
|
|
uint32_t __rv; \
|
|
__asm __volatile("mrc " __insnstring : "=r"(__rv)); \
|
|
return __rv; \
|
|
}
|
|
|
|
#define ARMREG_WRITE_INLINE(name, __insnstring) \
|
|
static inline void armreg_##name##_write(uint32_t __val) \
|
|
{ \
|
|
__asm __volatile("mcr " __insnstring :: "r"(__val)); \
|
|
}
|
|
|
|
/* c0 registers */
|
|
ARMREG_READ_INLINE(midr, "p15,0,%0,c0,c0,0") /* Main ID Register */
|
|
ARMREG_READ_INLINE(ctr, "p15,0,%0,c0,c0,1") /* Cache Type Register */
|
|
ARMREG_READ_INLINE(mpidr, "p15,0,%0,c0,c0,5") /* Multiprocess Affinity Register */
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|
ARMREG_READ_INLINE(pfr0, "p15,0,%0,c0,c1,0") /* Processor Feature Register 0 */
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|
ARMREG_READ_INLINE(pfr1, "p15,0,%0,c0,c1,1") /* Processor Feature Register 1 */
|
|
ARMREG_READ_INLINE(mmfr0, "p15,0,%0,c0,c1,4") /* Memory Model Feature Register 0 */
|
|
ARMREG_READ_INLINE(mmfr1, "p15,0,%0,c0,c1,5") /* Memory Model Feature Register 1 */
|
|
ARMREG_READ_INLINE(mmfr2, "p15,0,%0,c0,c1,6") /* Memory Model Feature Register 2 */
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|
ARMREG_READ_INLINE(mmfr3, "p15,0,%0,c0,c1,7") /* Memory Model Feature Register 3 */
|
|
ARMREG_READ_INLINE(isar0, "p15,0,%0,c0,c2,0") /* Instruction Set Attribute Register 0 */
|
|
ARMREG_READ_INLINE(isar1, "p15,0,%0,c0,c2,1") /* Instruction Set Attribute Register 1 */
|
|
ARMREG_READ_INLINE(isar2, "p15,0,%0,c0,c2,2") /* Instruction Set Attribute Register 2 */
|
|
ARMREG_READ_INLINE(isar3, "p15,0,%0,c0,c2,3") /* Instruction Set Attribute Register 3 */
|
|
ARMREG_READ_INLINE(isar4, "p15,0,%0,c0,c2,4") /* Instruction Set Attribute Register 4 */
|
|
ARMREG_READ_INLINE(isar5, "p15,0,%0,c0,c2,5") /* Instruction Set Attribute Register 5 */
|
|
ARMREG_READ_INLINE(ccsidr, "p15,1,%0,c0,c0,0") /* Cache Size ID Register */
|
|
ARMREG_READ_INLINE(clidr, "p15,1,%0,c0,c0,1") /* Cache Level ID Register */
|
|
ARMREG_READ_INLINE(csselr, "p15,2,%0,c0,c0,0") /* Cache Size Selection Register */
|
|
ARMREG_WRITE_INLINE(csselr, "p15,2,%0,c0,c0,0") /* Cache Size Selection Register */
|
|
/* c1 registers */
|
|
ARMREG_READ_INLINE(auxctl, "p15,0,%0,c1,c0,1") /* Auxiliary Control Register */
|
|
ARMREG_WRITE_INLINE(auxctl, "p15,0,%0,c1,c0,1") /* Auxiliary Control Register */
|
|
ARMREG_READ_INLINE(cpacr, "p15,0,%0,c1,c0,2") /* Co-Processor Access Control Register */
|
|
ARMREG_WRITE_INLINE(cpacr, "p15,0,%0,c1,c0,2") /* Co-Processor Access Control Register */
|
|
/* c2 registers */
|
|
ARMREG_READ_INLINE(ttbr, "p15,0,%0,c2,c0,0") /* Translation Table Base Register 0 */
|
|
ARMREG_WRITE_INLINE(ttbr, "p15,0,%0,c2,c0,0") /* Translation Table Base Register 0 */
|
|
ARMREG_READ_INLINE(ttbr1, "p15,0,%0,c2,c0,1") /* Translation Table Base Register 1 */
|
|
ARMREG_WRITE_INLINE(ttbr1, "p15,0,%0,c2,c0,1") /* Translation Table Base Register 1 */
|
|
ARMREG_READ_INLINE(ttbcr, "p15,0,%0,c2,c0,2") /* Translation Table Base Register */
|
|
ARMREG_WRITE_INLINE(ttbcr, "p15,0,%0,c2,c0,2") /* Translation Table Base Register */
|
|
/* c5 registers */
|
|
ARMREG_READ_INLINE(dfsr, "p15,0,%0,c5,c0,0") /* Data Fault Status Register */
|
|
ARMREG_READ_INLINE(ifsr, "p15,0,%0,c5,c0,1") /* Instruction Fault Status Register */
|
|
/* c6 registers */
|
|
ARMREG_READ_INLINE(dfar, "p15,0,%0,c6,c0,0") /* Data Fault Address Register */
|
|
ARMREG_READ_INLINE(ifar, "p15,0,%0,c6,c0,2") /* Instruction Fault Address Register */
|
|
/* c7 registers */
|
|
ARMREG_WRITE_INLINE(icialluis, "p15,0,%0,c7,c1,0") /* Instruction Inv All (IS) */
|
|
ARMREG_WRITE_INLINE(bpiallis, "p15,0,%0,c7,c1,6") /* Branch Invalidate All (IS) */
|
|
ARMREG_READ_INLINE(par, "p15,0,%0,c7,c4,0") /* Physical Address Register */
|
|
ARMREG_WRITE_INLINE(iciallu, "p15,0,%0,c7,c5,0") /* Instruction Invalidate All */
|
|
ARMREG_WRITE_INLINE(icimvau, "p15,0,%0,c7,c5,1") /* Instruction Invalidate MVA */
|
|
ARMREG_WRITE_INLINE(isb, "p15,0,%0,c7,c5,4") /* Instruction Synchronization Barrier */
|
|
ARMREG_WRITE_INLINE(bpiall, "p15,0,%0,c5,c1,6") /* Breakpoint Invalidate All */
|
|
ARMREG_WRITE_INLINE(dcimvac, "p15,0,%0,c7,c6,1") /* Data Invalidate MVA to PoC */
|
|
ARMREG_WRITE_INLINE(dcisw, "p15,0,%0,c7,c6,2") /* Data Invalidate Set/Way */
|
|
ARMREG_WRITE_INLINE(ats1cpr, "p15,0,%0,c7,c8,0") /* AddrTrans CurState PL1 Read */
|
|
ARMREG_WRITE_INLINE(dccmvac, "p15,0,%0,c7,c10,1") /* Data Clean MVA to PoC */
|
|
ARMREG_WRITE_INLINE(dccsw, "p15,0,%0,c7,c10,2") /* Data Clean Set/Way */
|
|
ARMREG_WRITE_INLINE(dsb, "p15,0,%0,c7,c10,4") /* Data Synchronization Barrier */
|
|
ARMREG_WRITE_INLINE(dmb, "p15,0,%0,c7,c10,5") /* Data Memory Barrier */
|
|
ARMREG_WRITE_INLINE(dccmvau, "p15,0,%0,c7,c14,1") /* Data Clean MVA to PoU */
|
|
ARMREG_WRITE_INLINE(dccimvac, "p15,0,%0,c7,c14,1") /* Data Clean&Inv MVA to PoC */
|
|
ARMREG_WRITE_INLINE(dccisw, "p15,0,%0,c7,c14,2") /* Data Clean&Inv Set/Way */
|
|
/* c9 registers */
|
|
ARMREG_READ_INLINE(pmcr, "p15,0,%0,c9,c12,0") /* PMC Control Register */
|
|
ARMREG_WRITE_INLINE(pmcr, "p15,0,%0,c9,c12,0") /* PMC Control Register */
|
|
ARMREG_READ_INLINE(pmcntenset, "p15,0,%0,c9,c12,1") /* PMC Count Enable Set */
|
|
ARMREG_WRITE_INLINE(pmcntenset, "p15,0,%0,c9,c12,1") /* PMC Count Enable Set */
|
|
ARMREG_READ_INLINE(pmcntenclr, "p15,0,%0,c9,c12,2") /* PMC Count Enable Clear */
|
|
ARMREG_WRITE_INLINE(pmcntenclr, "p15,0,%0,c9,c12,2") /* PMC Count Enable Clear */
|
|
ARMREG_READ_INLINE(pmovsr, "p15,0,%0,c9,c12,3") /* PMC Overflow Flag Status */
|
|
ARMREG_WRITE_INLINE(pmovsr, "p15,0,%0,c9,c12,3") /* PMC Overflow Flag Status */
|
|
ARMREG_READ_INLINE(pmccntr, "p15,0,%0,c9,c13,0") /* PMC Cycle Counter */
|
|
ARMREG_WRITE_INLINE(pmccntr, "p15,0,%0,c9,c13,0") /* PMC Cycle Counter */
|
|
/* c13 registers */
|
|
ARMREG_READ_INLINE(tpidrprw, "p15,0,%0,c13,c0,4") /* PL1 only Thread ID Register */
|
|
ARMREG_WRITE_INLINE(tpidrprw, "p15,0,%0,c13,c0,4") /* PL1 only Thread ID Register */
|
|
ARMREG_READ_INLINE(cbar, "p15,4,%0,c15,c0,0") /* Configuration Base Address Register */
|
|
/* c13 registers */
|
|
ARMREG_READ_INLINE(pmcrv6, "p15,0,%0,c15,c12,0") /* PMC Control Register (armv6) */
|
|
ARMREG_WRITE_INLINE(pmcrv6, "p15,0,%0,c15,c12,0") /* PMC Control Register (armv6) */
|
|
ARMREG_READ_INLINE(pmccntrv6, "p15,0,%0,c15,c12,1") /* PMC Cycle Counter (armv6) */
|
|
ARMREG_WRITE_INLINE(pmccntrv6, "p15,0,%0,c15,c12,1") /* PMC Cycle Counter (armv6) */
|
|
|
|
#endif /* !__ASSEMBLER__ */
|
|
|
|
|
|
#define MPIDR_31 0x80000000
|
|
#define MPIDR_U 0x40000000 // 1 = Uniprocessor
|
|
#define MPIDR_MT 0x01000000 // AFF0 for SMT
|
|
#define MPIDR_AFF2 0x00ff0000
|
|
#define MPIDR_AFF1 0x0000ff00
|
|
#define MPIDR_AFF0 0x000000ff
|
|
|
|
#endif /* _ARM_ARMREG_H */
|