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Annotation of qemu/tcg/sparc/tcg-target.h, revision 1.1.1.2

1.1       root        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
1.1.1.2 ! root       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)
1.1       root       81: #define TCG_TARGET_STACK_ALIGN 16
                     82: #else
                     83: // AREG0 + one word for alignment
1.1.1.2 ! root       84: #define TCG_TARGET_STACK_MINFRAME (92 + (2 + 1) * (int)sizeof(long) + \
        !            85:                                    TCG_STATIC_CALL_ARGS_SIZE)
1.1       root       86: #define TCG_TARGET_CALL_STACK_OFFSET TCG_TARGET_STACK_MINFRAME
                     87: #define TCG_TARGET_STACK_ALIGN 8
                     88: #endif
                     89: 
                     90: /* optional instructions */
1.1.1.2 ! root       91: //#define TCG_TARGET_HAS_bswap32_i32
        !            92: //#define TCG_TARGET_HAS_bswap64_i64
1.1       root       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: }

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