tcg/hppa/tcg-target.h

   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
  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
  79 /* used for function call generation */
  80 #define TCG_REG_CALL_STACK TCG_REG_SP
  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
  85 #define TCG_TARGET_STACK_GROWSUP
  86
  87 /* optional instructions */
  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
 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;
 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"
 116                       : : "r"(start) : "memory");
 117         start += 32;
 118     }
 119 }