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

1.1     ! root        1: /*
        !             2:  * Tiny Code Generator for QEMU
        !             3:  *
        !             4:  * Copyright (c) 2008 Fabrice Bellard
        !             5:  * Copyright (c) 2008 Andrzej Zaborowski
        !             6:  *
        !             7:  * Permission is hereby granted, free of charge, to any person obtaining a copy
        !             8:  * of this software and associated documentation files (the "Software"), to deal
        !             9:  * in the Software without restriction, including without limitation the rights
        !            10:  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
        !            11:  * copies of the Software, and to permit persons to whom the Software is
        !            12:  * furnished to do so, subject to the following conditions:
        !            13:  *
        !            14:  * The above copyright notice and this permission notice shall be included in
        !            15:  * all copies or substantial portions of the Software.
        !            16:  *
        !            17:  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
        !            18:  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
        !            19:  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
        !            20:  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
        !            21:  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
        !            22:  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
        !            23:  * THE SOFTWARE.
        !            24:  */
        !            25: #define TCG_TARGET_ARM 1
        !            26: 
        !            27: #define TCG_TARGET_REG_BITS 32
        !            28: #undef TCG_TARGET_WORDS_BIGENDIAN
        !            29: #undef TCG_TARGET_HAS_div_i32
        !            30: #undef TCG_TARGET_HAS_div_i64
        !            31: #undef TCG_TARGET_HAS_bswap_i32
        !            32: #define TCG_TARGET_HAS_ext8s_i32
        !            33: #define TCG_TARGET_HAS_ext16s_i32
        !            34: #define TCG_TARGET_HAS_neg_i32
        !            35: #undef TCG_TARGET_HAS_neg_i64
        !            36: #undef TCG_TARGET_STACK_GROWSUP
        !            37: 
        !            38: enum {
        !            39:     TCG_REG_R0 = 0,
        !            40:     TCG_REG_R1,
        !            41:     TCG_REG_R2,
        !            42:     TCG_REG_R3,
        !            43:     TCG_REG_R4,
        !            44:     TCG_REG_R5,
        !            45:     TCG_REG_R6,
        !            46:     TCG_REG_R7,
        !            47:     TCG_REG_R8,
        !            48:     TCG_REG_R9,
        !            49:     TCG_REG_R10,
        !            50:     TCG_REG_R11,
        !            51:     TCG_REG_R12,
        !            52:     TCG_REG_R13,
        !            53:     TCG_REG_R14,
        !            54:     TCG_TARGET_NB_REGS
        !            55: };
        !            56: 
        !            57: /* used for function call generation */
        !            58: #define TCG_REG_CALL_STACK             TCG_REG_R13
        !            59: #define TCG_TARGET_STACK_ALIGN         8
        !            60: #define TCG_TARGET_CALL_STACK_OFFSET   0
        !            61: 
        !            62: enum {
        !            63:     /* Note: must be synced with dyngen-exec.h */
        !            64:     TCG_AREG0 = TCG_REG_R7,
        !            65:     TCG_AREG1 = TCG_REG_R4,
        !            66:     TCG_AREG2 = TCG_REG_R5,
        !            67:     TCG_AREG3 = TCG_REG_R6,
        !            68: };
        !            69: 
        !            70: static inline void flush_icache_range(unsigned long start, unsigned long stop)
        !            71: {
        !            72: #if QEMU_GNUC_PREREQ(4, 1)
        !            73:     void __clear_cache(char *beg, char *end);
        !            74:     __clear_cache((char *) start, (char *) stop);
        !            75: #else
        !            76:     register unsigned long _beg __asm ("a1") = start;
        !            77:     register unsigned long _end __asm ("a2") = stop;
        !            78:     register unsigned long _flg __asm ("a3") = 0;
        !            79:     __asm __volatile__ ("swi 0x9f0002" : : "r" (_beg), "r" (_end), "r" (_flg));
        !            80: #endif
        !            81: }

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