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Annotation of qemu/tcg/mips/tcg-target.h, revision 1.1

1.1     ! root        1: /*
        !             2:  * Tiny Code Generator for QEMU
        !             3:  *
        !             4:  * Copyright (c) 2008-2009 Arnaud Patard <[email protected]>
        !             5:  * Copyright (c) 2009 Aurelien Jarno <[email protected]>
        !             6:  * Based on i386/tcg-target.c - Copyright (c) 2008 Fabrice Bellard
        !             7:  *
        !             8:  * Permission is hereby granted, free of charge, to any person obtaining a copy
        !             9:  * of this software and associated documentation files (the "Software"), to deal
        !            10:  * in the Software without restriction, including without limitation the rights
        !            11:  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
        !            12:  * copies of the Software, and to permit persons to whom the Software is
        !            13:  * furnished to do so, subject to the following conditions:
        !            14:  *
        !            15:  * The above copyright notice and this permission notice shall be included in
        !            16:  * all copies or substantial portions of the Software.
        !            17:  *
        !            18:  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
        !            19:  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
        !            20:  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
        !            21:  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
        !            22:  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
        !            23:  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
        !            24:  * THE SOFTWARE.
        !            25:  */
        !            26: #define TCG_TARGET_MIPS 1
        !            27: 
        !            28: #define TCG_TARGET_REG_BITS 32
        !            29: #ifdef __MIPSEB__
        !            30: # define TCG_TARGET_WORDS_BIGENDIAN
        !            31: #endif
        !            32: 
        !            33: #define TCG_TARGET_NB_REGS 32
        !            34: 
        !            35: enum {
        !            36:     TCG_REG_ZERO = 0,
        !            37:     TCG_REG_AT,
        !            38:     TCG_REG_V0,
        !            39:     TCG_REG_V1,
        !            40:     TCG_REG_A0,
        !            41:     TCG_REG_A1,
        !            42:     TCG_REG_A2,
        !            43:     TCG_REG_A3,
        !            44:     TCG_REG_T0,
        !            45:     TCG_REG_T1,
        !            46:     TCG_REG_T2,
        !            47:     TCG_REG_T3,
        !            48:     TCG_REG_T4,
        !            49:     TCG_REG_T5,
        !            50:     TCG_REG_T6,
        !            51:     TCG_REG_T7,
        !            52:     TCG_REG_S0,
        !            53:     TCG_REG_S1,
        !            54:     TCG_REG_S2,
        !            55:     TCG_REG_S3,
        !            56:     TCG_REG_S4,
        !            57:     TCG_REG_S5,
        !            58:     TCG_REG_S6,
        !            59:     TCG_REG_S7,
        !            60:     TCG_REG_T8,
        !            61:     TCG_REG_T9,
        !            62:     TCG_REG_K0,
        !            63:     TCG_REG_K1,
        !            64:     TCG_REG_GP,
        !            65:     TCG_REG_SP,
        !            66:     TCG_REG_FP,
        !            67:     TCG_REG_RA,
        !            68: };
        !            69: 
        !            70: #define TCG_CT_CONST_ZERO 0x100
        !            71: #define TCG_CT_CONST_U16  0x200
        !            72: #define TCG_CT_CONST_S16  0x400
        !            73: 
        !            74: /* used for function call generation */
        !            75: #define TCG_REG_CALL_STACK TCG_REG_SP
        !            76: #define TCG_TARGET_STACK_ALIGN 8
        !            77: #define TCG_TARGET_CALL_STACK_OFFSET 16
        !            78: #define TCG_TARGET_CALL_ALIGN_ARGS 1
        !            79: 
        !            80: /* optional instructions */
        !            81: #define TCG_TARGET_HAS_div_i32
        !            82: #define TCG_TARGET_HAS_not_i32
        !            83: #undef TCG_TARGET_HAS_ext8s_i32
        !            84: #undef TCG_TARGET_HAS_ext16s_i32
        !            85: #undef TCG_TARGET_HAS_bswap32_i32
        !            86: #undef TCG_TARGET_HAS_bswap16_i32
        !            87: #undef TCG_TARGET_HAS_rot_i32
        !            88: 
        !            89: /* optional instructions automatically implemented */
        !            90: #undef TCG_TARGET_HAS_neg_i32      /* sub  rd, zero, rt   */
        !            91: #undef TCG_TARGET_HAS_ext8u_i32    /* andi rt, rs, 0xff   */
        !            92: #undef TCG_TARGET_HAS_ext16u_i32   /* andi rt, rs, 0xffff */
        !            93: 
        !            94: /* Note: must be synced with dyngen-exec.h */
        !            95: #define TCG_AREG0 TCG_REG_FP
        !            96: #define TCG_AREG1 TCG_REG_S0
        !            97: #define TCG_AREG2 TCG_REG_S1
        !            98: 
        !            99: #include <sys/cachectl.h>
        !           100: 
        !           101: static inline void flush_icache_range(unsigned long start, unsigned long stop)
        !           102: {
        !           103:     cacheflush ((void *)start, stop-start, ICACHE);
        !           104: }

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