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Annotation of qemu/tcg/hppa/tcg-target.h, revision 1.1.1.3

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: 
                     25: #define TCG_TARGET_HPPA 1
                     26: 
                     27: #if defined(_PA_RISC1_1)
                     28: #define TCG_TARGET_REG_BITS 32
                     29: #else
                     30: #error unsupported
                     31: #endif
                     32: 
                     33: #define TCG_TARGET_WORDS_BIGENDIAN
                     34: 
                     35: #define TCG_TARGET_NB_REGS 32
                     36: 
                     37: enum {
                     38:     TCG_REG_R0 = 0,
                     39:     TCG_REG_R1,
                     40:     TCG_REG_RP,
                     41:     TCG_REG_R3,
                     42:     TCG_REG_R4,
                     43:     TCG_REG_R5,
                     44:     TCG_REG_R6,
                     45:     TCG_REG_R7,
                     46:     TCG_REG_R8,
                     47:     TCG_REG_R9,
                     48:     TCG_REG_R10,
                     49:     TCG_REG_R11,
                     50:     TCG_REG_R12,
                     51:     TCG_REG_R13,
                     52:     TCG_REG_R14,
                     53:     TCG_REG_R15,
                     54:     TCG_REG_R16,
                     55:     TCG_REG_R17,
                     56:     TCG_REG_R18,
                     57:     TCG_REG_R19,
                     58:     TCG_REG_R20,
                     59:     TCG_REG_R21,
                     60:     TCG_REG_R22,
                     61:     TCG_REG_R23,
                     62:     TCG_REG_R24,
                     63:     TCG_REG_R25,
                     64:     TCG_REG_R26,
                     65:     TCG_REG_DP,
                     66:     TCG_REG_RET0,
                     67:     TCG_REG_RET1,
                     68:     TCG_REG_SP,
                     69:     TCG_REG_R31,
                     70: };
                     71: 
1.1.1.3 ! root       72: #define TCG_CT_CONST_0    0x0100
        !            73: #define TCG_CT_CONST_S5   0x0200
        !            74: #define TCG_CT_CONST_S11  0x0400
        !            75: #define TCG_CT_CONST_MS11 0x0800
        !            76: #define TCG_CT_CONST_AND  0x1000
        !            77: #define TCG_CT_CONST_OR   0x2000
        !            78: 
1.1       root       79: /* used for function call generation */
                     80: #define TCG_REG_CALL_STACK TCG_REG_SP
1.1.1.3 ! root       81: #define TCG_TARGET_STACK_ALIGN 64
        !            82: #define TCG_TARGET_CALL_STACK_OFFSET -48
        !            83: #define TCG_TARGET_STATIC_CALL_ARGS_SIZE 8*4
        !            84: #define TCG_TARGET_CALL_ALIGN_ARGS 1
1.1       root       85: #define TCG_TARGET_STACK_GROWSUP
                     86: 
                     87: /* optional instructions */
1.1.1.3 ! root       88: // #define TCG_TARGET_HAS_div_i32
        !            89: #define TCG_TARGET_HAS_rot_i32
        !            90: #define TCG_TARGET_HAS_ext8s_i32
        !            91: #define TCG_TARGET_HAS_ext16s_i32
        !            92: #define TCG_TARGET_HAS_bswap16_i32
        !            93: #define TCG_TARGET_HAS_bswap32_i32
        !            94: #define TCG_TARGET_HAS_not_i32
        !            95: #define TCG_TARGET_HAS_andc_i32
        !            96: // #define TCG_TARGET_HAS_orc_i32
        !            97: 
        !            98: /* optional instructions automatically implemented */
        !            99: #undef TCG_TARGET_HAS_neg_i32           /* sub rd, 0, rs */
        !           100: #undef TCG_TARGET_HAS_ext8u_i32         /* and rd, rs, 0xff */
        !           101: #undef TCG_TARGET_HAS_ext16u_i32        /* and rd, rs, 0xffff */
        !           102: 
        !           103: #define TCG_TARGET_HAS_GUEST_BASE
1.1       root      104: 
                    105: /* Note: must be synced with dyngen-exec.h */
                    106: #define TCG_AREG0 TCG_REG_R17
                    107: 
                    108: static inline void flush_icache_range(unsigned long start, unsigned long stop)
                    109: {
                    110:     start &= ~31;
1.1.1.3 ! root      111:     while (start <= stop) {
        !           112:         asm volatile ("fdc 0(%0)\n\t"
        !           113:                       "sync\n\t"
        !           114:                       "fic 0(%%sr4, %0)\n\t"
        !           115:                       "sync"
1.1       root      116:                       : : "r"(start) : "memory");
                    117:         start += 32;
                    118:     }
                    119: }

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