LXR qemu/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#ifdef __s390x__
  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
  34typedef enum TCGReg {
  35    TCG_REG_R0 = 0,
  36    TCG_REG_R1,
  37    TCG_REG_R2,
  38    TCG_REG_R3,
  39    TCG_REG_R4,
  40    TCG_REG_R5,
  41    TCG_REG_R6,
  42    TCG_REG_R7,
  43    TCG_REG_R8,
  44    TCG_REG_R9,
  45    TCG_REG_R10,
  46    TCG_REG_R11,
  47    TCG_REG_R12,
  48    TCG_REG_R13,
  49    TCG_REG_R14,
  50    TCG_REG_R15
  51} TCGReg;
  52
  53#define TCG_TARGET_NB_REGS 16
  54
  55/* optional instructions */
  56#define TCG_TARGET_HAS_div2_i32
  57#define TCG_TARGET_HAS_rot_i32
  58#define TCG_TARGET_HAS_ext8s_i32
  59#define TCG_TARGET_HAS_ext16s_i32
  60#define TCG_TARGET_HAS_ext8u_i32
  61#define TCG_TARGET_HAS_ext16u_i32
  62#define TCG_TARGET_HAS_bswap16_i32
  63#define TCG_TARGET_HAS_bswap32_i32
  64// #define TCG_TARGET_HAS_not_i32
  65#define TCG_TARGET_HAS_neg_i32
  66// #define TCG_TARGET_HAS_andc_i32
  67// #define TCG_TARGET_HAS_orc_i32
  68// #define TCG_TARGET_HAS_eqv_i32
  69// #define TCG_TARGET_HAS_nand_i32
  70// #define TCG_TARGET_HAS_nor_i32
  71
  72#if TCG_TARGET_REG_BITS == 64
  73#define TCG_TARGET_HAS_div2_i64
  74#define TCG_TARGET_HAS_rot_i64
  75#define TCG_TARGET_HAS_ext8s_i64
  76#define TCG_TARGET_HAS_ext16s_i64
  77#define TCG_TARGET_HAS_ext32s_i64
  78#define TCG_TARGET_HAS_ext8u_i64
  79#define TCG_TARGET_HAS_ext16u_i64
  80#define TCG_TARGET_HAS_ext32u_i64
  81#define TCG_TARGET_HAS_bswap16_i64
  82#define TCG_TARGET_HAS_bswap32_i64
  83#define TCG_TARGET_HAS_bswap64_i64
  84// #define TCG_TARGET_HAS_not_i64
  85#define TCG_TARGET_HAS_neg_i64
  86// #define TCG_TARGET_HAS_andc_i64
  87// #define TCG_TARGET_HAS_orc_i64
  88// #define TCG_TARGET_HAS_eqv_i64
  89// #define TCG_TARGET_HAS_nand_i64
  90// #define TCG_TARGET_HAS_nor_i64
  91#endif
  92
  93#define TCG_TARGET_HAS_GUEST_BASE
  94
  95/* used for function call generation */
  96#define TCG_REG_CALL_STACK              TCG_REG_R15
  97#define TCG_TARGET_STACK_ALIGN          8
  98#define TCG_TARGET_CALL_STACK_OFFSET    0
  99
 100#define TCG_TARGET_EXTEND_ARGS 1
 101
 102enum {
 103    /* Note: must be synced with dyngen-exec.h */
 104    TCG_AREG0 = TCG_REG_R10,
 105};
 106
 107static inline void flush_icache_range(unsigned long start, unsigned long stop)
 108{
 109}
 110