| 1 | /* |
| 2 | * ========== Copyright Header Begin ========================================== |
| 3 | * |
| 4 | * OpenSPARC T2 Processor File: SS_AsiInfo.h |
| 5 | * Copyright (c) 2006 Sun Microsystems, Inc. All Rights Reserved. |
| 6 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES. |
| 7 | * |
| 8 | * The above named program is free software; you can redistribute it and/or |
| 9 | * modify it under the terms of the GNU General Public |
| 10 | * License version 2 as published by the Free Software Foundation. |
| 11 | * |
| 12 | * The above named program is distributed in the hope that it will be |
| 13 | * useful, but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 15 | * General Public License for more details. |
| 16 | * |
| 17 | * You should have received a copy of the GNU General Public |
| 18 | * License along with this work; if not, write to the Free Software |
| 19 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. |
| 20 | * |
| 21 | * ========== Copyright Header End ============================================ |
| 22 | */ |
| 23 | |
| 24 | #ifndef __SS_AsiInfo_h__ |
| 25 | #define __SS_AsiInfo_h__ |
| 26 | |
| 27 | #include "SS_Types.h" |
| 28 | |
| 29 | class SS_AsiInfo |
| 30 | { |
| 31 | public: |
| 32 | enum Flags |
| 33 | { |
| 34 | INVALID = 0, |
| 35 | |
| 36 | PROTECTION_OFFSET = 0, // 0=user, 1=priv, 2=hyper |
| 37 | PROTECTION_MASK = 3, // 0=user, 1=priv, 2=hyper |
| 38 | PRIVILEGED = 1 << PROTECTION_OFFSET, // priviledged access, cause privileged_action trap |
| 39 | HYPERPRIVILEGED = 2 << PROTECTION_OFFSET, // hyper-privileged access ,cause privileged_action trap |
| 40 | |
| 41 | CLASS_LD = 1 << 2, // Valid asi for ld[us][bhw]a? ldxa? ldd?fa? |
| 42 | CLASS_ST = 1 << 3, // Valid asi for st[bhwx]a? |
| 43 | CLASS_STF = 1 << 4, // Valid asi for st[df]a? |
| 44 | CLASS_LDX = 1 << 5, // Valid asi for ldxa |
| 45 | CLASS_STX = 1 << 6, // Valid asi for stxa |
| 46 | CLASS_ATOMIC = 1 << 7, // Valid asi for ldstuba, swapa, casa, casxa |
| 47 | CLASS_PREFETCH = 1 << 8, // Valid asi for prefetcha |
| 48 | |
| 49 | PRIMARY = 1 << 9, // Translate with primary context |
| 50 | SECONDARY = 1 << 10, // Translate with secondary context |
| 51 | NUCLEUS = 1 << 11, // Translate with nucleus context |
| 52 | REAL = 1 << 12, // Translate as RA->PA (ignore context), only when nonprivileged. |
| 53 | BYPASS = 1 << 13, // Translate as PA=VA (bypass), only when hpstate.hpriv=1 |
| 54 | |
| 55 | LITTLE_ENDIAN = 1 << 14, // The asi is a little endian memory access |
| 56 | NOFAULT = 1 << 15, // The asi is a non faulting asi |
| 57 | AS_IF_USER = 1 << 16, // The asi is an as_if_user asi |
| 58 | AS_IF_PRIV = 1 << 17, // The asi is an as_if_user asi |
| 59 | |
| 60 | QUAD_LOAD = 1 << 18, // The asi is a quad_load (only valid for ldd) |
| 61 | BLOCK_LOAD = 1 << 19, // The asi is a block load (only valid for lddfa) |
| 62 | BLOCK_STORE = 1 << 20, // The asi is a block store (only valid for stdfa) |
| 63 | SHORTF_8 = 1 << 21, // The asi is a short float 8 load/store (only valid for lddfa and stdfa) |
| 64 | SHORTF_16 = 1 << 22, // The asi is a short float 16 load/store (only valid for lddfa and stdfa) |
| 65 | PARTIAL_8 = 1 << 23, // The asi is a partial float store 8 (only valid for stdfa) |
| 66 | PARTIAL_16 = 1 << 24, // The asi is a partial float store 16 (only valid for stdfa) |
| 67 | PARTIAL_32 = 1 << 25, // The asi is a partial float store 32 (only valid for stdfa) |
| 68 | BLOCK_INIT = 1 << 26, // The asi is a block init store (valid with all store) |
| 69 | |
| 70 | NONTRANS = 1 << 27 // The asi is a nontransacional asi |
| 71 | }; |
| 72 | |
| 73 | friend Flags operator|( Flags a, Flags b ) { return Flags(uint_t(a) | uint_t(b)); } |
| 74 | friend Flags operator&( Flags a, Flags b ) { return Flags(uint_t(a) & uint_t(b)); } |
| 75 | |
| 76 | SS_AsiInfo( Flags f=INVALID ) : flags(f) {} |
| 77 | |
| 78 | void set_flags( Flags f ) { flags = f; } |
| 79 | Flags get_flags() { return flags; } |
| 80 | void clr_flags( Flags f ) { flags = flags & Flags(~uint_t(f)); } |
| 81 | |
| 82 | bool is_valid_ld_asi() const { return flags & CLASS_LD; } |
| 83 | bool is_valid_ldx_asi() const { return flags & CLASS_LDX; } |
| 84 | bool is_valid_st_asi() const { return flags & CLASS_ST; } |
| 85 | bool is_valid_stf_asi() const { return flags & CLASS_STF; } |
| 86 | bool is_valid_stx_asi() const { return flags & CLASS_STX; } |
| 87 | bool is_valid_atomic_asi() const { return flags & CLASS_ATOMIC; } |
| 88 | bool is_valid_prefetch_asi() const { return flags & CLASS_PREFETCH; } |
| 89 | bool is_valid_flush_asi() const { return flags & CLASS_ATOMIC; } |
| 90 | |
| 91 | bool is_translating() const { return flags & (PRIMARY|SECONDARY|NUCLEUS|REAL); } |
| 92 | bool is_primary() const { return flags & PRIMARY; } |
| 93 | bool is_secondary() const { return flags & SECONDARY; } |
| 94 | bool is_nucleus() const { return flags & NUCLEUS; } |
| 95 | bool is_real() const { return flags & REAL; } |
| 96 | bool is_bypass() const { return flags & BYPASS; } |
| 97 | |
| 98 | uint_t get_protection() const { return (flags >> PROTECTION_OFFSET) & PROTECTION_MASK; } |
| 99 | |
| 100 | bool is_little_endian() const { return flags & LITTLE_ENDIAN; } |
| 101 | bool is_nofault() const { return flags & NOFAULT; } |
| 102 | bool is_as_if_user() const { return flags & AS_IF_USER; } |
| 103 | bool is_as_if_priv() const { return flags & AS_IF_PRIV; } |
| 104 | |
| 105 | bool is_quad_load_asi() const { return flags & QUAD_LOAD; } |
| 106 | bool is_partial8_asi() const { return flags & PARTIAL_8; } |
| 107 | bool is_partial16_asi() const { return flags & PARTIAL_16; } |
| 108 | bool is_partial32_asi() const { return flags & PARTIAL_32; } |
| 109 | bool is_shortf8_asi() const { return flags & SHORTF_8; } |
| 110 | bool is_shortf16_asi() const { return flags & SHORTF_16; } |
| 111 | bool is_block_load_asi() const { return flags & BLOCK_LOAD; } |
| 112 | bool is_block_store_asi() const { return flags & BLOCK_STORE; } |
| 113 | bool is_block_init_asi() const { return flags & BLOCK_INIT; } |
| 114 | bool is_block_asi() const { return flags & (BLOCK_INIT|BLOCK_LOAD|BLOCK_STORE); } |
| 115 | bool is_nontrans_asi() const { return flags & NONTRANS; } |
| 116 | |
| 117 | private: |
| 118 | Flags flags; |
| 119 | }; |
| 120 | |
| 121 | |
| 122 | #endif |