1 /* 2 * Tiny Code Generator for QEMU 3 * 4 * Copyright (c) 2008 Fabrice Bellard 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a copy 7 * of this software and associated documentation files (the "Software"), to deal 8 * in the Software without restriction, including without limitation the rights 9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 10 * copies of the Software, and to permit persons to whom the Software is 11 * furnished to do so, subject to the following conditions: 12 * 13 * The above copyright notice and this permission notice shall be included in 14 * all copies or substantial portions of the Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 22 * THE SOFTWARE. 23 */ 24 #define TCG_TARGET_SPARC 1 25 26 #if defined(__sparc_v9__) && !defined(__sparc_v8plus__) 27 #define TCG_TARGET_REG_BITS 64 28 #else 29 #define TCG_TARGET_REG_BITS 32 30 #endif 31 32 #define TCG_TARGET_WORDS_BIGENDIAN 33 34 #define TCG_TARGET_NB_REGS 32 35 36 enum { 37 TCG_REG_G0 = 0, 38 TCG_REG_G1, 39 TCG_REG_G2, 40 TCG_REG_G3, 41 TCG_REG_G4, 42 TCG_REG_G5, 43 TCG_REG_G6, 44 TCG_REG_G7, 45 TCG_REG_O0, 46 TCG_REG_O1, 47 TCG_REG_O2, 48 TCG_REG_O3, 49 TCG_REG_O4, 50 TCG_REG_O5, 51 TCG_REG_O6, 52 TCG_REG_O7, 53 TCG_REG_L0, 54 TCG_REG_L1, 55 TCG_REG_L2, 56 TCG_REG_L3, 57 TCG_REG_L4, 58 TCG_REG_L5, 59 TCG_REG_L6, 60 TCG_REG_L7, 61 TCG_REG_I0, 62 TCG_REG_I1, 63 TCG_REG_I2, 64 TCG_REG_I3, 65 TCG_REG_I4, 66 TCG_REG_I5, 67 TCG_REG_I6, 68 TCG_REG_I7, 69 }; 70 71 #define TCG_CT_CONST_S11 0x100 72 #define TCG_CT_CONST_S13 0x200 73 74 /* used for function call generation */ 75 #define TCG_REG_CALL_STACK TCG_REG_I6 76 #ifdef __arch64__ 77 // Reserve space for AREG0 78 #define TCG_TARGET_STACK_MINFRAME (176 + 4 * (int)sizeof(long) + \ 79 TCG_STATIC_CALL_ARGS_SIZE) 80 #define TCG_TARGET_CALL_STACK_OFFSET (2047 - 16) 81 #define TCG_TARGET_STACK_ALIGN 16 82 #else 83 // AREG0 + one word for alignment 84 #define TCG_TARGET_STACK_MINFRAME (92 + (2 + 1) * (int)sizeof(long) + \ 85 TCG_STATIC_CALL_ARGS_SIZE) 86 #define TCG_TARGET_CALL_STACK_OFFSET TCG_TARGET_STACK_MINFRAME 87 #define TCG_TARGET_STACK_ALIGN 8 88 #endif 89 90 /* optional instructions */ 91 //#define TCG_TARGET_HAS_bswap32_i32 92 //#define TCG_TARGET_HAS_bswap64_i64 93 //#define TCG_TARGET_HAS_neg_i32 94 //#define TCG_TARGET_HAS_neg_i64 95 96 97 /* Note: must be synced with dyngen-exec.h and Makefile.target */ 98 #ifdef HOST_SOLARIS 99 #define TCG_AREG0 TCG_REG_G2 100 #define TCG_AREG1 TCG_REG_G3 101 #define TCG_AREG2 TCG_REG_G4 102 #elif defined(__sparc_v9__) 103 #define TCG_AREG0 TCG_REG_G5 104 #define TCG_AREG1 TCG_REG_G6 105 #define TCG_AREG2 TCG_REG_G7 106 #else 107 #define TCG_AREG0 TCG_REG_G6 108 #define TCG_AREG1 TCG_REG_G1 109 #define TCG_AREG2 TCG_REG_G2 110 #endif 111 112 static inline void flush_icache_range(unsigned long start, unsigned long stop) 113 { 114 unsigned long p; 115 116 p = start & ~(8UL - 1UL); 117 stop = (stop + (8UL - 1UL)) & ~(8UL - 1UL); 118 119 for (; p < stop; p += 8) 120 __asm__ __volatile__("flush\t%0" : : "r" (p)); 121 } 122
