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/* $NetBSD: armreg.h,v 1.37 2007/01/06 00:50:54 christos Exp $ */ /*- * Copyright (c) 1998, 2001 Ben Harris * Copyright (c) 1994-1996 Mark Brinicombe. * Copyright (c) 1994 Brini. * All rights reserved. * * This code is derived from software written for Brini by Mark Brinicombe * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by Brini. * 4. The name of the company nor the name of the author may be used to * endorse or promote products derived from this software without specific * prior written permission. * * THIS SOFTWARE IS PROVIDED BY BRINI ``AS IS'' AND ANY EXPRESS OR IMPLIED * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL BRINI OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * $FreeBSD: release/9.1.0/sys/arm/include/armreg.h 237491 2012-06-23 18:39:35Z marius $ */ #ifndef MACHINE_ARMREG_H #define MACHINE_ARMREG_H #define INSN_SIZE 4 #define INSN_COND_MASK 0xf0000000 /* Condition mask */ #define PSR_MODE 0x0000001f /* mode mask */ #define PSR_USR26_MODE 0x00000000 #define PSR_FIQ26_MODE 0x00000001 #define PSR_IRQ26_MODE 0x00000002 #define PSR_SVC26_MODE 0x00000003 #define PSR_USR32_MODE 0x00000010 #define PSR_FIQ32_MODE 0x00000011 #define PSR_IRQ32_MODE 0x00000012 #define PSR_SVC32_MODE 0x00000013 #define PSR_ABT32_MODE 0x00000017 #define PSR_UND32_MODE 0x0000001b #define PSR_SYS32_MODE 0x0000001f #define PSR_32_MODE 0x00000010 #define PSR_FLAGS 0xf0000000 /* flags */ #define PSR_C_bit (1 << 29) /* carry */ /* The high-order byte is always the implementor */ #define CPU_ID_IMPLEMENTOR_MASK 0xff000000 #define CPU_ID_ARM_LTD 0x41000000 /* 'A' */ #define CPU_ID_DEC 0x44000000 /* 'D' */ #define CPU_ID_INTEL 0x69000000 /* 'i' */ #define CPU_ID_TI 0x54000000 /* 'T' */ #define CPU_ID_FARADAY 0x66000000 /* 'f' */ /* How to decide what format the CPUID is in. */ #define CPU_ID_ISOLD(x) (((x) & 0x0000f000) == 0x00000000) #define CPU_ID_IS7(x) (((x) & 0x0000f000) == 0x00007000) #define CPU_ID_ISNEW(x) (!CPU_ID_ISOLD(x) && !CPU_ID_IS7(x)) /* On ARM3 and ARM6, this byte holds the foundry ID. */ #define CPU_ID_FOUNDRY_MASK 0x00ff0000 #define CPU_ID_FOUNDRY_VLSI 0x00560000 /* On ARM7 it holds the architecture and variant (sub-model) */ #define CPU_ID_7ARCH_MASK 0x00800000 #define CPU_ID_7ARCH_V3 0x00000000 #define CPU_ID_7ARCH_V4T 0x00800000 #define CPU_ID_7VARIANT_MASK 0x007f0000 /* On more recent ARMs, it does the same, but in a different format */ #define CPU_ID_ARCH_MASK 0x000f0000 #define CPU_ID_ARCH_V3 0x00000000 #define CPU_ID_ARCH_V4 0x00010000 #define CPU_ID_ARCH_V4T 0x00020000 #define CPU_ID_ARCH_V5 0x00030000 #define CPU_ID_ARCH_V5T 0x00040000 #define CPU_ID_ARCH_V5TE 0x00050000 #define CPU_ID_ARCH_V5TEJ 0x00060000 #define CPU_ID_ARCH_V6 0x00070000 #define CPU_ID_VARIANT_MASK 0x00f00000 /* Next three nybbles are part number */ #define CPU_ID_PARTNO_MASK 0x0000fff0 /* Intel XScale has sub fields in part number */ #define CPU_ID_XSCALE_COREGEN_MASK 0x0000e000 /* core generation */ #define CPU_ID_XSCALE_COREREV_MASK 0x00001c00 /* core revision */ #define CPU_ID_XSCALE_PRODUCT_MASK 0x000003f0 /* product number */ /* And finally, the revision number. */ #define CPU_ID_REVISION_MASK 0x0000000f /* Individual CPUs are probably best IDed by everything but the revision. */ #define CPU_ID_CPU_MASK 0xfffffff0 /* Fake CPU IDs for ARMs without CP15 */ #define CPU_ID_ARM2 0x41560200 #define CPU_ID_ARM250 0x41560250 /* Pre-ARM7 CPUs -- [15:12] == 0 */ #define CPU_ID_ARM3 0x41560300 #define CPU_ID_ARM600 0x41560600 #define CPU_ID_ARM610 0x41560610 #define CPU_ID_ARM620 0x41560620 /* ARM7 CPUs -- [15:12] == 7 */ #define CPU_ID_ARM700 0x41007000 /* XXX This is a guess. */ #define CPU_ID_ARM710 0x41007100 #define CPU_ID_ARM7500 0x41027100 #define CPU_ID_ARM710A 0x41047100 /* inc ARM7100 */ #define CPU_ID_ARM7500FE 0x41077100 #define CPU_ID_ARM710T 0x41807100 #define CPU_ID_ARM720T 0x41807200 #define CPU_ID_ARM740T8K 0x41807400 /* XXX no MMU, 8KB cache */ #define CPU_ID_ARM740T4K 0x41817400 /* XXX no MMU, 4KB cache */ /* Post-ARM7 CPUs */ #define CPU_ID_ARM810 0x41018100 #define CPU_ID_ARM920T 0x41129200 #define CPU_ID_ARM920T_ALT 0x41009200 #define CPU_ID_ARM922T 0x41029220 #define CPU_ID_ARM926EJS 0x41069260 #define CPU_ID_ARM940T 0x41029400 /* XXX no MMU */ #define CPU_ID_ARM946ES 0x41049460 /* XXX no MMU */ #define CPU_ID_ARM966ES 0x41049660 /* XXX no MMU */ #define CPU_ID_ARM966ESR1 0x41059660 /* XXX no MMU */ #define CPU_ID_ARM1020E 0x4115a200 /* (AKA arm10 rev 1) */ #define CPU_ID_ARM1022ES 0x4105a220 #define CPU_ID_ARM1026EJS 0x4106a260 #define CPU_ID_ARM1136JS 0x4107b360 #define CPU_ID_ARM1136JSR1 0x4117b360 #define CPU_ID_SA110 0x4401a100 #define CPU_ID_SA1100 0x4401a110 #define CPU_ID_TI925T 0x54029250 #define CPU_ID_MV88FR131 0x56251310 /* Marvell Feroceon 88FR131 Core */ #define CPU_ID_MV88FR571_VD 0x56155710 /* Marvell Feroceon 88FR571-VD Core (ID from datasheet) */ #define CPU_ID_MV88FR571_41 0x41159260 /* Marvell Feroceon 88FR571-VD Core (actual ID from CPU reg) */ #define CPU_ID_FA526 0x66015260 #define CPU_ID_FA626TE 0x66056260 #define CPU_ID_SA1110 0x6901b110 #define CPU_ID_IXP1200 0x6901c120 #define CPU_ID_80200 0x69052000 #define CPU_ID_PXA250 0x69052100 /* sans core revision */ #define CPU_ID_PXA210 0x69052120 #define CPU_ID_PXA250A 0x69052100 /* 1st version Core */ #define CPU_ID_PXA210A 0x69052120 /* 1st version Core */ #define CPU_ID_PXA250B 0x69052900 /* 3rd version Core */ #define CPU_ID_PXA210B 0x69052920 /* 3rd version Core */ #define CPU_ID_PXA250C 0x69052d00 /* 4th version Core */ #define CPU_ID_PXA210C 0x69052d20 /* 4th version Core */ #define CPU_ID_PXA27X 0x69054110 #define CPU_ID_80321_400 0x69052420 #define CPU_ID_80321_600 0x69052430 #define CPU_ID_80321_400_B0 0x69052c20 #define CPU_ID_80321_600_B0 0x69052c30 #define CPU_ID_80219_400 0x69052e20 /* A0 stepping/revision. */ #define CPU_ID_80219_600 0x69052e30 /* A0 stepping/revision. */ #define CPU_ID_81342 0x69056810 #define CPU_ID_IXP425 0x690541c0 #define CPU_ID_IXP425_533 0x690541c0 #define CPU_ID_IXP425_400 0x690541d0 #define CPU_ID_IXP425_266 0x690541f0 #define CPU_ID_IXP435 0x69054040 #define CPU_ID_IXP465 0x69054200 /* ARM3-specific coprocessor 15 registers */ #define ARM3_CP15_FLUSH 1 #define ARM3_CP15_CONTROL 2 #define ARM3_CP15_CACHEABLE 3 #define ARM3_CP15_UPDATEABLE 4 #define ARM3_CP15_DISRUPTIVE 5 /* ARM3 Control register bits */ #define ARM3_CTL_CACHE_ON 0x00000001 #define ARM3_CTL_SHARED 0x00000002 #define ARM3_CTL_MONITOR 0x00000004 /* * Post-ARM3 CP15 registers: * * 1 Control register * * 2 Translation Table Base * * 3 Domain Access Control * * 4 Reserved * * 5 Fault Status * * 6 Fault Address * * 7 Cache/write-buffer Control * * 8 TLB Control * * 9 Cache Lockdown * * 10 TLB Lockdown * * 11 Reserved * * 12 Reserved * * 13 Process ID (for FCSE) * * 14 Reserved * * 15 Implementation Dependent */ /* Some of the definitions below need cleaning up for V3/V4 architectures */ /* CPU control register (CP15 register 1) */ #define CPU_CONTROL_MMU_ENABLE 0x00000001 /* M: MMU/Protection unit enable */ #define CPU_CONTROL_AFLT_ENABLE 0x00000002 /* A: Alignment fault enable */ #define CPU_CONTROL_DC_ENABLE 0x00000004 /* C: IDC/DC enable */ #define CPU_CONTROL_WBUF_ENABLE 0x00000008 /* W: Write buffer enable */ #define CPU_CONTROL_32BP_ENABLE 0x00000010 /* P: 32-bit exception handlers */ #define CPU_CONTROL_32BD_ENABLE 0x00000020 /* D: 32-bit addressing */ #define CPU_CONTROL_LABT_ENABLE 0x00000040 /* L: Late abort enable */ #define CPU_CONTROL_BEND_ENABLE 0x00000080 /* B: Big-endian mode */ #define CPU_CONTROL_SYST_ENABLE 0x00000100 /* S: System protection bit */ #define CPU_CONTROL_ROM_ENABLE 0x00000200 /* R: ROM protection bit */ #define CPU_CONTROL_CPCLK 0x00000400 /* F: Implementation defined */ #define CPU_CONTROL_BPRD_ENABLE 0x00000800 /* Z: Branch prediction enable */ #define CPU_CONTROL_IC_ENABLE 0x00001000 /* I: IC enable */ #define CPU_CONTROL_VECRELOC 0x00002000 /* V: Vector relocation */ #define CPU_CONTROL_ROUNDROBIN 0x00004000 /* RR: Predictable replacement */ #define CPU_CONTROL_V4COMPAT 0x00008000 /* L4: ARMv4 compat LDR R15 etc */ #define CPU_CONTROL_L2_ENABLE 0x04000000 /* L2 Cache enabled */ #define CPU_CONTROL_IDC_ENABLE CPU_CONTROL_DC_ENABLE /* XScale Auxillary Control Register (CP15 register 1, opcode2 1) */ #define XSCALE_AUXCTL_K 0x00000001 /* dis. write buffer coalescing */ #define XSCALE_AUXCTL_P 0x00000002 /* ECC protect page table access */ /* Note: XSCale core 3 uses those for LLR DCcahce attributes */ #define XSCALE_AUXCTL_MD_WB_RA 0x00000000 /* mini-D$ wb, read-allocate */ #define XSCALE_AUXCTL_MD_WB_RWA 0x00000010 /* mini-D$ wb, read/write-allocate */ #define XSCALE_AUXCTL_MD_WT 0x00000020 /* mini-D$ wt, read-allocate */ #define XSCALE_AUXCTL_MD_MASK 0x00000030 /* Xscale Core 3 only */ #define XSCALE_AUXCTL_LLR 0x00000400 /* Enable L2 for LLR Cache */ /* Marvell Feroceon Extra Features Register (CP15 register 1, opcode2 0) */ #define FC_DCACHE_REPL_LOCK 0x80000000 /* Replace DCache Lock */ #define FC_DCACHE_STREAM_EN 0x20000000 /* DCache Streaming Switch */ #define FC_WR_ALLOC_EN 0x10000000 /* Enable Write Allocate */ #define FC_L2_PREF_DIS 0x01000000 /* L2 Cache Prefetch Disable */ #define FC_L2_INV_EVICT_LINE 0x00800000 /* L2 Invalidates Uncorrectable Error Line Eviction */ #define FC_L2CACHE_EN 0x00400000 /* L2 enable */ #define FC_ICACHE_REPL_LOCK 0x00080000 /* Replace ICache Lock */ #define FC_GLOB_HIST_REG_EN 0x00040000 /* Branch Global History Register Enable */ #define FC_BRANCH_TARG_BUF_DIS 0x00020000 /* Branch Target Buffer Disable */ #define FC_L1_PAR_ERR_EN 0x00010000 /* L1 Parity Error Enable */ /* Cache type register definitions */ #define CPU_CT_ISIZE(x) ((x) & 0xfff) /* I$ info */ #define CPU_CT_DSIZE(x) (((x) >> 12) & 0xfff) /* D$ info */ #define CPU_CT_S (1U << 24) /* split cache */ #define CPU_CT_CTYPE(x) (((x) >> 25) & 0xf) /* cache type */ #define CPU_CT_CTYPE_WT 0 /* write-through */ #define CPU_CT_CTYPE_WB1 1 /* write-back, clean w/ read */ #define CPU_CT_CTYPE_WB2 2 /* w/b, clean w/ cp15,7 */ #define CPU_CT_CTYPE_WB6 6 /* w/b, cp15,7, lockdown fmt A */ #define CPU_CT_CTYPE_WB7 7 /* w/b, cp15,7, lockdown fmt B */ #define CPU_CT_xSIZE_LEN(x) ((x) & 0x3) /* line size */ #define CPU_CT_xSIZE_M (1U << 2) /* multiplier */ #define CPU_CT_xSIZE_ASSOC(x) (((x) >> 3) & 0x7) /* associativity */ #define CPU_CT_xSIZE_SIZE(x) (((x) >> 6) & 0x7) /* size */ /* Fault status register definitions */ #define FAULT_TYPE_MASK 0x0f #define FAULT_USER 0x10 #define FAULT_WRTBUF_0 0x00 /* Vector Exception */ #define FAULT_WRTBUF_1 0x02 /* Terminal Exception */ #define FAULT_BUSERR_0 0x04 /* External Abort on Linefetch -- Section */ #define FAULT_BUSERR_1 0x06 /* External Abort on Linefetch -- Page */ #define FAULT_BUSERR_2 0x08 /* External Abort on Non-linefetch -- Section */ #define FAULT_BUSERR_3 0x0a /* External Abort on Non-linefetch -- Page */ #define FAULT_BUSTRNL1 0x0c /* External abort on Translation -- Level 1 */ #define FAULT_BUSTRNL2 0x0e /* External abort on Translation -- Level 2 */ #define FAULT_ALIGN_0 0x01 /* Alignment */ #define FAULT_ALIGN_1 0x03 /* Alignment */ #define FAULT_TRANS_S 0x05 /* Translation -- Section */ #define FAULT_TRANS_P 0x07 /* Translation -- Page */ #define FAULT_DOMAIN_S 0x09 /* Domain -- Section */ #define FAULT_DOMAIN_P 0x0b /* Domain -- Page */ #define FAULT_PERM_S 0x0d /* Permission -- Section */ #define FAULT_PERM_P 0x0f /* Permission -- Page */ #define FAULT_IMPRECISE 0x400 /* Imprecise exception (XSCALE) */ /* * Address of the vector page, low and high versions. */ #ifndef __ASSEMBLER__ #define ARM_VECTORS_LOW 0x00000000U #define ARM_VECTORS_HIGH 0xffff0000U #else #define ARM_VECTORS_LOW 0 #define ARM_VECTORS_HIGH 0xffff0000 #endif /* * ARM Instructions * * 3 3 2 2 2 * 1 0 9 8 7 0 * +-------+-------------------------------------------------------+ * | cond | instruction dependant | * |c c c c| | * +-------+-------------------------------------------------------+ */ #define INSN_SIZE 4 /* Always 4 bytes */ #define INSN_COND_MASK 0xf0000000 /* Condition mask */ #define INSN_COND_AL 0xe0000000 /* Always condition */ #define THUMB_INSN_SIZE 2 /* Some are 4 bytes. */ #endif /* !MACHINE_ARMREG_H */