tcg/s390/tcg-target.h

   1 /*
   2  * Tiny Code Generator for QEMU
   3  *
   4  * Copyright (c) 2009 Ulrich Hecht <uli@suse.de>
   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_S390 1
  25
  26 #define TCG_TARGET_REG_BITS 64
  27 #define TCG_TARGET_WORDS_BIGENDIAN
  28
  29 enum {
  30     TCG_REG_R0 = 0,
  31     TCG_REG_R1,
  32     TCG_REG_R2,
  33     TCG_REG_R3,
  34     TCG_REG_R4,
  35     TCG_REG_R5,
  36     TCG_REG_R6,
  37     TCG_REG_R7,
  38     TCG_REG_R8,
  39     TCG_REG_R9,
  40     TCG_REG_R10,
  41     TCG_REG_R11,
  42     TCG_REG_R12,
  43     TCG_REG_R13,
  44     TCG_REG_R14,
  45     TCG_REG_R15
  46 };
  47 #define TCG_TARGET_NB_REGS 16
  48
  49 /* optional instructions */
  50 // #define TCG_TARGET_HAS_div_i32
  51 // #define TCG_TARGET_HAS_rot_i32
  52 // #define TCG_TARGET_HAS_ext8s_i32
  53 // #define TCG_TARGET_HAS_ext16s_i32
  54 // #define TCG_TARGET_HAS_ext8u_i32
  55 // #define TCG_TARGET_HAS_ext16u_i32
  56 // #define TCG_TARGET_HAS_bswap16_i32
  57 // #define TCG_TARGET_HAS_bswap32_i32
  58 // #define TCG_TARGET_HAS_not_i32
  59 // #define TCG_TARGET_HAS_neg_i32
  60 // #define TCG_TARGET_HAS_andc_i32
  61 // #define TCG_TARGET_HAS_orc_i32
  62 // #define TCG_TARGET_HAS_eqv_i32
  63 // #define TCG_TARGET_HAS_nand_i32
  64 // #define TCG_TARGET_HAS_nor_i32
  65
  66 // #define TCG_TARGET_HAS_div_i64
  67 // #define TCG_TARGET_HAS_rot_i64
  68 // #define TCG_TARGET_HAS_ext8s_i64
  69 // #define TCG_TARGET_HAS_ext16s_i64
  70 // #define TCG_TARGET_HAS_ext32s_i64
  71 // #define TCG_TARGET_HAS_ext8u_i64
  72 // #define TCG_TARGET_HAS_ext16u_i64
  73 // #define TCG_TARGET_HAS_ext32u_i64
  74 // #define TCG_TARGET_HAS_bswap16_i64
  75 // #define TCG_TARGET_HAS_bswap32_i64
  76 // #define TCG_TARGET_HAS_bswap64_i64
  77 // #define TCG_TARGET_HAS_not_i64
  78 // #define TCG_TARGET_HAS_neg_i64
  79 // #define TCG_TARGET_HAS_andc_i64
  80 // #define TCG_TARGET_HAS_orc_i64
  81 // #define TCG_TARGET_HAS_eqv_i64
  82 // #define TCG_TARGET_HAS_nand_i64
  83 // #define TCG_TARGET_HAS_nor_i64
  84
  85 /* used for function call generation */
  86 #define TCG_REG_CALL_STACK              TCG_REG_R15
  87 #define TCG_TARGET_STACK_ALIGN          8
  88 #define TCG_TARGET_CALL_STACK_OFFSET    0
  89
  90 enum {
  91     /* Note: must be synced with dyngen-exec.h */
  92     TCG_AREG0 = TCG_REG_R10,
  93 };
  94
  95 static inline void flush_icache_range(unsigned long start, unsigned long stop)
  96 {
  97 #if QEMU_GNUC_PREREQ(4, 1)
  98     __builtin___clear_cache((char *) start, (char *) stop);
  99 #else
 100 #error not implemented
 101 #endif
 102 }