/* $OpenBSD: ctlreg.h,v 1.22 2009/01/20 14:48:32 kettenis Exp $ */ /* $NetBSD: ctlreg.h,v 1.28 2001/08/06 23:55:34 eeh Exp $ */ /* * Copyright (c) 1996-2001 Eduardo Horvath * * 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. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 THE AUTHOR 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. * */ /* * Copyright (c) 2001 Jake Burkholder. * All rights reserved. * * 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. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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 THE AUTHOR 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. */ #ifndef _SPARC64_CTLREG_ #define _SPARC64_CTLREG_ /* * Sun 4u control registers. (includes address space definitions * and some registers in control space). */ /* * membar operand macros for use in other macros when # is a special * character. Keep these in sync with what the hardware expects. */ #define C_Lookaside (0) #define C_MemIssue (1) #define C_Sync (2) #define M_LoadLoad (0) #define M_StoreLoad (1) #define M_LoadStore (2) #define M_StoreStore (3) #define CMASK_SHIFT (4) #define MMASK_SHIFT (0) #define CMASK_GEN(bit) ((1 << (bit)) << CMASK_SHIFT) #define MMASK_GEN(bit) ((1 << (bit)) << MMASK_SHIFT) /* * The Alternate address spaces. * * 0x00-0x7f are privileged * 0x80-0xff can be used by users */ #define ASI_LITTLE 0x08 /* This bit should make an ASI little endian */ #define ASI_NUCLEUS 0x04 /* [4u] kernel address space */ #define ASI_NUCLEUS_LITTLE 0x0c /* [4u] kernel address space, little endian */ #define ASI_AS_IF_USER_PRIMARY 0x10 /* [4u] primary user address space */ #define ASI_AS_IF_USER_SECONDARY 0x11 /* [4u] secondary user address space */ #define ASI_PHYS_CACHED 0x14 /* [4u] MMU bypass to main memory */ #define ASI_PHYS_NON_CACHED 0x15 /* [4u] MMU bypass to I/O location */ #define ASI_AS_IF_USER_PRIMARY_LITTLE 0x18 /* [4u] primary user address space, little endian */ #define ASI_AS_IF_USER_SECONDARY_LITTIE 0x19 /* [4u] secondary user address space, little endian */ #define ASI_PHYS_CACHED_LITTLE 0x1c /* [4u] MMU bypass to main memory, little endian */ #define ASI_PHYS_NON_CACHED_LITTLE 0x1d /* [4u] MMU bypass to I/O location, little endian */ #define ASI_SCRATCHPAD 0x20 /* [4v] scratchpad registers */ #define ASI_MMU_CONTEXTID 0x21 /* [4v] MMU context */ #define ASI_NUCLEUS_QUAD_LDD 0x24 /* [4u] use w/LDDA to load 128-bit item */ #define ASI_QUEUE 0x25 /* [4v] interrupt queue registers */ #define ASI_NUCLEUS_QUAD_LDD_LITTLE 0x2c /* [4u] use w/LDDA to load 128-bit item, little endian */ #define ASI_FLUSH_D_PAGE_PRIMARY 0x38 /* [4u] flush D-cache page using primary context */ #define ASI_FLUSH_D_PAGE_SECONDARY 0x39 /* [4u] flush D-cache page using secondary context */ #define ASI_FLUSH_D_CTX_PRIMARY 0x3a /* [4u] flush D-cache context using primary context */ #define ASI_FLUSH_D_CTX_SECONDARY 0x3b /* [4u] flush D-cache context using secondary context */ #define ASI_DCACHE_INVALIDATE 0x42 /* [III] invalidate D-cache */ #define ASI_DCACHE_UTAG 0x43 /* [III] diagnostic access to D-cache micro tag */ #define ASI_DCACHE_SNOOP_TAG 0x44 /* [III] diagnostic access to D-cache snoop tag RAM */ #define ASI_LSU_CONTROL_REGISTER 0x45 /* [4u] load/store unit control register */ #define ASI_DCACHE_DATA 0x46 /* [4u] diagnostic access to D-cache data RAM */ #define ASI_DCACHE_TAG 0x47 /* [4u] diagnostic access to D-cache tag RAM */ #define ASI_INTR_DISPATCH_STATUS 0x48 /* [4u] interrupt dispatch status register */ #define ASI_INTR_RECEIVE 0x49 /* [4u] interrupt receive status register */ #define ASI_MID_REG 0x4a /* [4u] hardware config and MID */ #define ASI_ERROR_EN_REG 0x4b /* [4u] asynchronous error enables */ #define ASI_AFSR 0x4c /* [4u] asynchronous fault status register */ #define ASI_AFAR 0x4d /* [4u] asynchronous fault address register */ #define ASI_ICACHE_DATA 0x66 /* [4u] diagnostic access to D-cache data RAM */ #define ASI_ICACHE_TAG 0x67 /* [4u] diagnostic access to D-cache tag RAM */ #define ASI_FLUSH_I_PAGE_PRIMARY 0x68 /* [4u] flush D-cache page using primary context */ #define ASI_FLUSH_I_PAGE_SECONDARY 0x69 /* [4u] flush D-cache page using secondary context */ #define ASI_FLUSH_I_CTX_PRIMARY 0x6a /* [4u] flush D-cache context using primary context */ #define ASI_FLUSH_I_CTX_SECONDARY 0x6b /* [4u] flush D-cache context using secondary context */ #define ASI_BLOCK_AS_IF_USER_PRIMARY 0x70 /* [4u] primary user address space, block loads/stores */ #define ASI_BLOCK_AS_IF_USER_SECONDARY 0x71 /* [4u] secondary user address space, block loads/stores */ #define ASI_ECACHE_DIAG 0x76 /* [4u] diag access to E-cache tag and data */ #define ASI_DATAPATH_ERR_REG_WRITE 0x77 /* [4u] ASI is reused */ #define ASI_BLOCK_AS_IF_USER_PRIMARY_LITTLE 0x78 /* [4u] primary user address space, block loads/stores */ #define ASI_BLOCK_AS_IF_USER_SECONDARY_LITTLE 0x79 /* [4u] secondary user address space, block loads/stores */ #define ASI_INTERRUPT_RECEIVE_DATA 0x7f /* [4u] interrupt receive data registers {0,1,2} */ #define ASI_DATAPATH_ERR_REG_READ 0x7f /* [4u] read access to datapath error registers (ASI reused) */ #define ASI_PRIMARY 0x80 /* [4u] primary address space */ #define ASI_SECONDARY 0x81 /* [4u] secondary address space */ #define ASI_PRIMARY_NOFAULT 0x82 /* [4u] primary address space, no fault */ #define ASI_SECONDARY_NOFAULT 0x83 /* [4u] secondary address space, no fault */ #define ASI_PRIMARY_LITTLE 0x88 /* [4u] primary address space, little endian */ #define ASI_SECONDARY_LITTLE 0x89 /* [4u] secondary address space, little endian */ #define ASI_PRIMARY_NOFAULT_LITTLE 0x8a /* [4u] primary address space, no fault, little endian */ #define ASI_SECONDARY_NOFAULT_LITTLE 0x8b /* [4u] secondary address space, no fault, little endian */ #define ASI_PST8_PRIMARY 0xc0 /* [VIS] Eight 8-bit partial store, primary */ #define ASI_PST8_SECONDARY 0xc1 /* [VIS] Eight 8-bit partial store, secondary */ #define ASI_PST16_PRIMARY 0xc2 /* [VIS] Four 16-bit partial store, primary */ #define ASI_PST16_SECONDARY 0xc3 /* [VIS] Fout 16-bit partial store, secondary */ #define ASI_PST32_PRIMARY 0xc4 /* [VIS] Two 32-bit partial store, primary */ #define ASI_PST32_SECONDARY 0xc5 /* [VIS] Two 32-bit partial store, secondary */ #define ASI_PST8_PRIMARY_LITTLE 0xc8 /* [VIS] Eight 8-bit partial store, primary, little endian */ #define ASI_PST8_SECONDARY_LITTLE 0xc9 /* [VIS] Eight 8-bit partial store, secondary, little endian */ #define ASI_PST16_PRIMARY_LITTLE 0xca /* [VIS] Four 16-bit partial store, primary, little endian */ #define ASI_PST16_SECONDARY_LITTLE 0xcb /* [VIS] Fout 16-bit partial store, secondary, little endian */ #define ASI_PST32_PRIMARY_LITTLE 0xcc /* [VIS] Two 32-bit partial store, primary, little endian */ #define ASI_PST32_SECONDARY_LITTLE 0xcd /* [VIS] Two 32-bit partial store, secondary, little endian */ #define ASI_FL8_PRIMARY 0xd0 /* [VIS] One 8-bit load/store floating, primary */ #define ASI_FL8_SECONDARY 0xd1 /* [VIS] One 8-bit load/store floating, secondary */ #define ASI_FL16_PRIMARY 0xd2 /* [VIS] One 16-bit load/store floating, primary */ #define ASI_FL16_SECONDARY 0xd3 /* [VIS] One 16-bit load/store floating, secondary */ #define ASI_FL8_PRIMARY_LITTLE 0xd8 /* [VIS] One 8-bit load/store floating, primary, little endian */ #define ASI_FL8_SECONDARY_LITTLE 0xd9 /* [VIS] One 8-bit load/store floating, secondary, little endian */ #define ASI_FL16_PRIMARY_LITTLE 0xda /* [VIS] One 16-bit load/store floating, primary, little endian */ #define ASI_FL16_SECONDARY_LITTLE 0xdb /* [VIS] One 16-bit load/store floating, secondary, little endian */ #define ASI_BLOCK_COMMIT_PRIMARY 0xe0 /* [4u] block store with commit, primary */ #define ASI_BLOCK_COMMIT_SECONDARY 0xe1 /* [4u] block store with commit, secondary */ #define ASI_BLOCK_PRIMARY 0xf0 /* [4u] block load/store, primary */ #define ASI_BLOCK_SECONDARY 0xf1 /* [4u] block load/store, secondary */ #define ASI_BLOCK_PRIMARY_LITTLE 0xf8 /* [4u] block load/store, primary, little endian */ #define ASI_BLOCK_SECONDARY_LITTLE 0xf9 /* [4u] block load/store, secondary, little endian */ /* * These are the shorter names used by Solaris */ #define ASI_N ASI_NUCLEUS #define ASI_NL ASI_NUCLEUS_LITTLE #define ASI_AIUP ASI_AS_IF_USER_PRIMARY #define ASI_AIUS ASI_AS_IF_USER_SECONDARY #define ASI_AIUPL ASI_AS_IF_USER_PRIMARY_LITTLE #define ASI_AIUSL ASI_AS_IF_USER_SECONDARY_LITTLE #define ASI_P ASI_PRIMARY #define ASI_S ASI_SECONDARY #define ASI_PNF ASI_PRIMARY_NOFAULT #define ASI_SNF ASI_SECONDARY_NOFAULT #define ASI_PL ASI_PRIMARY_LITTLE #define ASI_SL ASI_SECONDARY_LITTLE #define ASI_PNFL ASI_PRIMARY_NOFAULT_LITTLE #define ASI_SNFL ASI_SECONDARY_NOFAULT_LITTLE #define ASI_FL8_P ASI_FL8_PRIMARY #define ASI_FL8_S ASI_FL8_SECONDARY #define ASI_FL16_P ASI_FL16_PRIMARY #define ASI_FL16_S ASI_FL16_SECONDARY #define ASI_FL8_PL ASI_FL8_PRIMARY_LITTLE #define ASI_FL8_SL ASI_FL8_SECONDARY_LITTLE #define ASI_FL16_PL ASI_FL16_PRIMARY_LITTLE #define ASI_FL16_SL ASI_FL16_SECONDARY_LITTLE #define ASI_BLK_AIUP ASI_BLOCK_AS_IF_USER_PRIMARY #define ASI_BLK_AIUPL ASI_BLOCK_AS_IF_USER_PRIMARY_LITTLE #define ASI_BLK_AIUS ASI_BLOCK_AS_IF_USER_SECONDARY #define ASI_BLK_AIUSL ASI_BLOCK_AS_IF_USER_SECONDARY_LITTLE #define ASI_BLK_COMMIT_P ASI_BLOCK_COMMIT_PRIMARY #define ASI_BLK_COMMIT_PRIMARY ASI_BLOCK_COMMIT_PRIMARY #define ASI_BLK_COMMIT_S ASI_BLOCK_COMMIT_SECONDARY #define ASI_BLK_COMMIT_SECONDARY ASI_BLOCK_COMMIT_SECONDARY #define ASI_BLK_P ASI_BLOCK_PRIMARY #define ASI_BLK_PL ASI_BLOCK_PRIMARY_LITTLE #define ASI_BLK_S ASI_BLOCK_SECONDARY #define ASI_BLK_SL ASI_BLOCK_SECONDARY_LITTLE /* Alternative spellings */ #define ASI_PRIMARY_NO_FAULT ASI_PRIMARY_NOFAULT #define ASI_PRIMARY_NO_FAULT_LITTLE ASI_PRIMARY_NOFAULT_LITTLE #define ASI_SECONDARY_NO_FAULT ASI_SECONDARY_NOFAULT #define ASI_SECONDARY_NO_FAULT_LITTLE ASI_SECONDARY_NOFAULT_LITTLE #define PHYS_ASI(x) (((x) | 0x09) == 0x1d) #define LITTLE_ASI(x) ((x) & ASI_LITTLE) /* * %tick: cpu cycle counter */ #define TICK_NPT 0x8000000000000000 /* trap on non priv access */ #define TICK_TICKS 0x7fffffffffffffff /* counter bits */ /* * The following are 4u control registers */ /* Get the CPU's UPA port ID */ #define UPA_CR_MID(x) (((x) >> 17) & 0x1f) #define CPU_UPAID UPA_CR_MID(ldxa(0, ASI_MID_REG)) /* Get the CPU's Fireplane agent ID */ #define FIREPLANE_CR_AID(x) (((x) >> 17) & 0x3ff) #define CPU_FIREPLANEID FIREPLANE_CR_AID(ldxa(0, ASI_MID_REG)) /* Get the CPU's Jupiter Bus interrupt target ID */ #define JUPITER_CR_ITID(x) ((x) & 0x3ff) #define CPU_JUPITERID JUPITER_CR_ITID(ldxa(0, ASI_MID_REG)) /* * [4u] MMU and Cache Control Register (MCCR) * use ASI = 0x45 */ #define ASI_MCCR ASI_LSU_CONTROL_REGISTER #define MCCR 0x00 /* MCCR Bits and their meanings */ #define MCCR_DMMU_EN 0x08 #define MCCR_IMMU_EN 0x04 #define MCCR_DCACHE_EN 0x02 #define MCCR_ICACHE_EN 0x01 /* * MMU control registers */ /* Choose an MMU */ #define ASI_DMMU 0x58 #define ASI_IMMU 0x50 /* Other assorted MMU ASIs */ #define ASI_IMMU_8KPTR 0x51 #define ASI_IMMU_64KPTR 0x52 #define ASI_IMMU_DATA_IN 0x54 #define ASI_IMMU_TLB_DATA 0x55 #define ASI_IMMU_TLB_TAG 0x56 #define ASI_DMMU_8KPTR 0x59 #define ASI_DMMU_64KPTR 0x5a #define ASI_DMMU_DATA_IN 0x5c #define ASI_DMMU_TLB_DATA 0x5d #define ASI_DMMU_TLB_TAG 0x5e /* * The following are the control registers * They work on both MMUs unless noted. * III = cheetah only * * Register contents are defined later on individual registers. */ #define TSB_TAG_TARGET 0x0 #define TLB_DATA_IN 0x0 #define CTX_PRIMARY 0x08 /* primary context -- DMMU only */ #define CTX_SECONDARY 0x10 /* secondary context -- DMMU only */ #define SFSR 0x18 #define SFAR 0x20 /* fault address -- DMMU only */ #define TSB 0x28 #define TLB_TAG_ACCESS 0x30 #define VIRTUAL_WATCHPOINT 0x38 #define PHYSICAL_WATCHPOINT 0x40 #define TSB_PEXT 0x48 /* III primary ext */ #define TSB_SEXT 0x50 /* III 2ndary ext -- DMMU only */ #define TSB_NEXT 0x58 /* III nucleus ext */ /* Tag Target bits */ #define TAG_TARGET_VA_MASK 0x03ffffffffffffffffLL #define TAG_TARGET_VA(x) (((x)<<22)&TAG_TARGET_VA_MASK) #define TAG_TARGET_CONTEXT(x) ((x)>>48) #define TAG_TARGET(c,v) ((((uint64_t)c)<<48)|(((uint64_t)v)&TAG_TARGET_VA_MASK)) /* SFSR bits for both D_SFSR and I_SFSR */ #define SFSR_NF 0x1000000 /* Non-faulting load */ #define SFSR_ASI(x) ((x)>>16) #define SFSR_TM 0x0008000 /* TLB miss */ #define SFSR_FT_VA_OOR_2 0x0002000 /* IMMU: jumpl or return to unsupportd VA */ #define SFSR_FT_VA_OOR_1 0x0001000 /* fault at unsupported VA */ #define SFSR_FT_NFO 0x0000800 /* DMMU: Access to page marked NFO */ #define SFSR_ILL_ASI 0x0000400 /* DMMU: Illegal (unsupported) ASI */ #define SFSR_FT_IO_ATOMIC 0x0000200 /* DMMU: Atomic access to noncacheable page */ #define SFSR_FT_ILL_NF 0x0000100 /* DMMU: NF load or flush to page marked E (has side effects) */ #define SFSR_FT_PRIV 0x0000080 /* Privilege violation */ #define SFSR_FT_E 0x0000040 /* DMUU: value of E bit associated address */ #define SFSR_CTXT(x) (((x)>>4)&0x3) #define SFSR_CTXT_IS_PRIM(x) (SFSR_CTXT(x)==0x00) #define SFSR_CTXT_IS_SECOND(x) (SFSR_CTXT(x)==0x01) #define SFSR_CTXT_IS_NUCLEUS(x) (SFSR_CTXT(x)==0x02) #define SFSR_PRIV 0x0000008 /* value of PSTATE.PRIV for faulting access */ #define SFSR_W 0x0000004 /* DMMU: attempted write */ #define SFSR_OW 0x0000002 /* Overwrite; prev fault was still valid */ #define SFSR_FV 0x0000001 /* Fault is valid */ #define SFSR_FT (SFSR_FT_VA_OOR_2|SFSR_FT_VA_OOR_1|SFSR_FT_NFO|SFSR_ILL_ASI|SFSR_FT_IO_ATOMIC|SFSR_FT_ILL_NF|SFSR_FT_PRIV) #define SFSR_BITS "\20\31NF\20TM\16VAT\15VAD\14NFO\13ASI\12A\11NF\10PRIV\7E\6NUCLEUS\5SECONDCTX\4PRIV\3W\2OW\1FV" /* ASFR bits */ #define ASFR_ME 0x100000000LL #define ASFR_PRIV 0x080000000LL #define ASFR_ISAP 0x040000000LL #define ASFR_ETP 0x020000000LL #define ASFR_IVUE 0x010000000LL #define ASFR_TO 0x008000000LL #define ASFR_BERR 0x004000000LL #define ASFR_LDP 0x002000000LL #define ASFR_CP 0x001000000LL #define ASFR_WP 0x000800000LL #define ASFR_EDP 0x000400000LL #define ASFR_UE 0x000200000LL #define ASFR_CE 0x000100000LL #define ASFR_ETS 0x0000f0000LL #define ASFT_P_SYND 0x00000ffffLL #define AFSR_BITS "\20" \ "\20ME\37PRIV\36ISAP\35ETP\34IVUE\33TO\32BERR\31LDP\30CP\27WP\26EDP" \ "\25UE\24CE" /* * Here's the spitfire TSB control register bits. * * Each TSB entry is 16-bytes wide. The TSB must be size aligned */ #define TSB_SIZE_512 0x0 /* 8kB, etc. */ #define TSB_SIZE_1K 0x01 #define TSB_SIZE_2K 0x02 #define TSB_SIZE_4K 0x03 #define TSB_SIZE_8K 0x04 #define TSB_SIZE_16K 0x05 #define TSB_SIZE_32K 0x06 #define TSB_SIZE_64K 0x07 #define TSB_SPLIT 0x1000 #define TSB_BASE 0xffffffffffffe000 /* TLB Tag Access bits */ #define TLB_TAG_ACCESS_VA 0xffffffffffffe000 #define TLB_TAG_ACCESS_CTX 0x0000000000001fff /* * TLB demap registers. TTEs are defined in v9pte.h * * Use the address space to select between IMMU and DMMU. * The address of the register selects which context register * to read the ASI from. * * The data stored in the register is interpreted as the VA to * use. The DEMAP_CTX_<> registers ignore the address and demap the * entire ASI. * */ #define ASI_IMMU_DEMAP 0x57 /* [4u] IMMU TLB demap */ #define ASI_DMMU_DEMAP 0x5f /* [4u] IMMU TLB demap */ #define DEMAP_PAGE_NUCLEUS ((0x02)<<4) /* Demap page from kernel AS */ #define DEMAP_PAGE_PRIMARY ((0x00)<<4) /* Demap a page from primary CTXT */ #define DEMAP_PAGE_SECONDARY ((0x01)<<4) /* Demap page from secondary CTXT (DMMU only) */ #define DEMAP_CTX_NUCLEUS ((0x06)<<4) /* Demap all of kernel CTXT */ #define DEMAP_CTX_PRIMARY ((0x04)<<4) /* Demap all of primary CTXT */ #define DEMAP_CTX_SECONDARY ((0x05)<<4) /* Demap all of secondary CTXT */ /* * Interrupt registers. This really gets hairy. */ /* IRSR -- Interrupt Receive Status Ragister */ #define ASI_IRSR 0x49 #define IRSR 0x00 #define IRSR_BUSY 0x020 #define IRSR_MID(x) (x&0x1f) /* IRDR -- Interrupt Receive Data Registers */ #define ASI_IRDR 0x7f #define IRDR_0H 0x40 #define IRDR_0L 0x48 /* unimplemented */ #define IRDR_1H 0x50 #define IRDR_1L 0x58 /* unimplemented */ #define IRDR_2H 0x60 #define IRDR_2L 0x68 /* unimplemented */ #define IRDR_3H 0x70 /* unimplemented */ #define IRDR_3L 0x78 /* unimplemented */ /* SOFTINT ASRs */ #define SET_SOFTINT %asr20 /* Sets these bits */ #define CLEAR_SOFTINT %asr21 /* Clears these bits */ #define SOFTINT %asr22 /* Reads the register */ #define TICK_CMPR %asr23 #define TICK_INT 0x01 /* level-14 clock tick */ #define SOFTINT1 (0x1<<1) #define SOFTINT2 (0x1<<2) #define SOFTINT3 (0x1<<3) #define SOFTINT4 (0x1<<4) #define SOFTINT5 (0x1<<5) #define SOFTINT6 (0x1<<6) #define SOFTINT7 (0x1<<7) #define SOFTINT8 (0x1<<8) #define SOFTINT9 (0x1<<9) #define SOFTINT10 (0x1<<10) #define SOFTINT11 (0x1<<11) #define SOFTINT12 (0x1<<12) #define SOFTINT13 (0x1<<13) #define SOFTINT14 (0x1<<14) #define SOFTINT15 (0x1<<15) #define STICK_INT (0x1<<16) /* Interrupt Dispatch -- usually reserved for cross-calls */ #define ASR_IDSR 0x48 /* Interrupt dispatch status reg */ #define IDSR 0x00 #define IDSR_NACK 0x02 #define IDSR_BUSY 0x01 #define ASI_INTERRUPT_DISPATCH 0x77 /* [4u] spitfire interrupt dispatch regs */ /* Interrupt delivery initiation */ #define IDCR(x) ((((u_int64_t)(x)) << 14) | 0x70) #define IDDR_0H 0x40 /* Store data to send in these regs */ #define IDDR_0L 0x48 /* unimplemented */ #define IDDR_1H 0x50 #define IDDR_1L 0x58 /* unimplemented */ #define IDDR_2H 0x60 #define IDDR_2L 0x68 /* unimplemented */ #define IDDR_3H 0x80 /* unimplemented */ #define IDDR_3L 0x88 /* unimplemented */ /* * Error registers */ /* Since we won't try to fix async errs, we don't care about the bits in the regs */ #define ASI_AFAR 0x4d /* Asynchronous fault address register */ #define AFAR 0x00 #define ASI_AFSR 0x4c /* Asynchronous fault status register */ #define AFSR 0x00 #define ASI_P_EER 0x4b /* Error enable register */ #define P_EER 0x00 #define P_EER_ISAPEN 0x04 /* Enable fatal on ISAP */ #define P_EER_NCEEN 0x02 /* Enable trap on uncorrectable errs */ #define P_EER_CEEN 0x01 /* Enable trap on correctable errs */ #define ASI_DATAPATH_READ 0x7f /* Read the regs */ #define ASI_DATAPATH_WRITE 0x77 /* Write to the regs */ #define P_DPER_0 0x00 /* Datapath err reg 0 */ #define P_DPER_1 0x18 /* Datapath err reg 1 */ #define P_DCR_0 0x20 /* Datapath control reg 0 */ #define P_DCR_1 0x38 /* Datapath control reg 0 */ /* From sparc64/asm.h which I think I'll deprecate since it makes bus.h a pain. */ #ifndef _LOCORE /* * GCC __asm constructs for doing assembly stuff. */ /* * ``Routines'' to load and store from/to alternate address space. * The location can be a variable, the asi value (address space indicator) * must be a constant. * * N.B.: You can put as many special functions here as you like, since * they cost no kernel space or time if they are not used. * * These were static inline functions, but gcc screws up the constraints * on the address space identifiers (the "n"umeric value part) because * it inlines too late, so we have to use the funny valued-macro syntax. */ /* * Apparently the definition of bypass ASIs is that they all use the * D$ so we need to flush the D$ to make sure we don't get data pollution. */ #define sparc_membar(mask) do { \ if (mask) \ __asm __volatile("membar %0" : : "n" (mask) : "memory");\ else \ __asm __volatile("" : : : "memory"); \ } while(0) #define membar sparc_membar #define Lookaside CMASK_GEN(C_Lookaside) #define MemIssue CMASK_GEN(C_MemIssue) #define Sync CMASK_GEN(C_Sync) #define LoadLoad MMASK_GEN(M_LoadLoad) #define StoreLoad MMASK_GEN(M_StoreLoad) #define LoadStore MMASK_GEN(M_LoadStore) #define StoreStore MMASK_GEN(M_StoreStore) #define sparc_wr(name, val, xor) \ do { \ if (__builtin_constant_p(xor)) \ __asm __volatile("wr %%g0, %0, %%" #name \ : : "rI" ((val) ^ (xor)) : "%g0"); \ else \ __asm __volatile("wr %0, %1, %%" #name \ : : "r" (val), "rI" (xor) : "%g0"); \ } while(0) #define sparc_wrpr(name, val, xor) \ do { \ if (__builtin_constant_p(xor)) \ __asm __volatile("wrpr %%g0, %0, %%" #name \ : : "rI" ((val) ^ (xor)) : "%g0"); \ else \ __asm __volatile("wrpr %0, %1, %%" #name \ : : "r" (val), "rI" (xor) : "%g0"); \ __asm __volatile("" : : : "memory"); \ } while(0) #define sparc_rd(name) sparc_rd_ ## name() #define GEN_RD(name) \ extern __inline u_int64_t sparc_rd_ ## name(void); \ extern __inline u_int64_t \ sparc_rd_ ## name() \ { \ u_int64_t r; \ __asm __volatile("rd %%" #name ", %0" : \ "=r" (r) : : "%g0"); \ return (r); \ } #define sparc_rdpr(name) sparc_rdpr_ ## name() #define GEN_RDPR(name) \ extern __inline u_int64_t sparc_rdpr_ ## name(void); \ extern __inline u_int64_t \ sparc_rdpr_ ## name() \ { \ u_int64_t r; \ __asm __volatile("rdpr %%" #name ", %0" : \ "=r" (r) : : "%g0"); \ return (r); \ } GEN_RD(asi); GEN_RD(asr22); GEN_RD(sys_tick); GEN_RD(sys_tick_cmpr); GEN_RDPR(tick); GEN_RDPR(tba); GEN_RDPR(pstate); GEN_RDPR(pil); GEN_RDPR(cwp); GEN_RDPR(cansave); GEN_RDPR(canrestore); GEN_RDPR(cleanwin); GEN_RDPR(otherwin); GEN_RDPR(wstate); GEN_RDPR(ver); /* * Before adding GEN_RDPRs for other registers, see Errata 50 (E.g,. in * the US-IIi manual) regarding tstate, pc and npc reads. */ /* Generate ld*a/st*a functions for non-constant ASI's. */ #define LDNC_GEN(tp, o) \ extern __inline tp o ## _asi(paddr_t); \ extern __inline tp \ o ## _asi(paddr_t va) \ { \ tp r; \ __asm __volatile( \ #o " [%1] %%asi, %0" \ : "=r" (r) \ : "r" ((volatile tp *)va) \ : "%g0"); \ return (r); \ } \ extern __inline tp o ## _nc(paddr_t, int); \ extern __inline tp \ o ## _nc(paddr_t va, int asi) \ { \ sparc_wr(asi, asi, 0); \ return (o ## _asi(va)); \ } LDNC_GEN(u_char, lduba); LDNC_GEN(u_short, lduha); LDNC_GEN(u_int, lduwa); LDNC_GEN(u_int64_t, ldxa); LDNC_GEN(int, lda); #define LDC_GEN(va, asi, op, opa, type) ({ \ type __r ## op ## type; \ if(asi == ASI_PRIMARY || \ (sizeof(type) == 1 && asi == ASI_PRIMARY_LITTLE)) \ __r ## op ## type = *((volatile type *)va); \ else \ __asm __volatile(#opa " [%1] " #asi ", %0" \ : "=r" (__r ## op ## type) \ : "r" ((volatile type *)va) \ : "%g0"); \ __r ## op ## type; \ }) #ifdef __OPTIMIZE__ #define LD_GENERIC(va, asi, op, type) (__builtin_constant_p(asi) ? \ LDC_GEN((va), asi, op, op ## a, type) : op ## a_nc((va), asi)) #else /* __OPTIMIZE */ #define LD_GENERIC(va, asi, op, type) (op ## a_nc((va), asi)) #endif /* __OPTIMIZE__ */ #define lduba(va, asi) LD_GENERIC(va, asi, ldub, u_int8_t) #define lduha(va, asi) LD_GENERIC(va, asi, lduh, u_int16_t) #define lduwa(va, asi) LD_GENERIC(va, asi, lduw, u_int32_t) #define ldxa(va, asi) LD_GENERIC(va, asi, ldx, u_int64_t) #define STNC_GEN(tp, o) \ extern __inline void o ## _asi(paddr_t, tp); \ extern __inline void \ o ## _asi(paddr_t va, tp val) \ { \ __asm __volatile( \ #o " %0, [%1] %%asi" \ : \ : "r" (val), "r" ((volatile tp *)va) \ : "memory"); \ } \ extern __inline void o ## _nc(paddr_t, int, tp); \ extern __inline void \ o ## _nc(paddr_t va, int asi, tp val) \ { \ sparc_wr(asi, asi, 0); \ o ## _asi(va, val); \ } STNC_GEN(u_int8_t, stba); STNC_GEN(u_int16_t, stha); STNC_GEN(u_int32_t, stwa); STNC_GEN(u_int64_t, stxa); STNC_GEN(u_int, sta); #define STC_GEN(va, asi, val, op, opa, type) ({ \ if(asi == ASI_PRIMARY || \ (sizeof(type) == 1 && asi == ASI_PRIMARY_LITTLE)) \ *((volatile type *)va) = val; \ else \ __asm __volatile(#opa " %0, [%1] " #asi \ : : "r" (val), "r" ((volatile type *)va) \ : "memory"); \ }) #ifdef __OPTIMIZE__ #define ST_GENERIC(va, asi, val, op, type) (__builtin_constant_p(asi) ? \ STC_GEN((va), (asi), (val), op, op ## a, type) : \ op ## a_nc((va), asi, (val))) #else /* __OPTIMIZE__ */ #define ST_GENERIC(va, asi, val, op, type) (op ## a_nc((va), asi, (val))) #endif /* __OPTIMIZE__ */ #define stba(va, asi, val) ST_GENERIC(va, asi, val, stb, u_int8_t) #define stha(va, asi, val) ST_GENERIC(va, asi, val, sth, u_int16_t) #define stwa(va, asi, val) ST_GENERIC(va, asi, val, stw, u_int32_t) #define stxa(va, asi, val) ST_GENERIC(va, asi, val, stx, u_int64_t) extern __inline void asi_set(int); extern __inline void asi_set(int asi) { sparc_wr(asi, asi, 0); } extern __inline u_int8_t asi_get(void); extern __inline u_int8_t asi_get() { return sparc_rd(asi); } /* flush address from instruction cache */ extern __inline void flush(void *); extern __inline void flush(void *p) { __asm __volatile("flush %0" : : "r" (p) : "memory"); } /* Read 64-bit %tick and %sys_tick registers. */ #define tick() (sparc_rdpr(tick) & TICK_TICKS) #define sys_tick() (sparc_rd(sys_tick) & TICK_TICKS) extern u_int64_t stick(void); extern void tickcmpr_set(u_int64_t); extern void sys_tickcmpr_set(u_int64_t); extern void stickcmpr_set(u_int64_t); #endif /* _LOCORE */ #endif /* _SPARC64_CTLREG_ */