target-m68k/op-hacks.h

   1 /* Various hacks to make code written for a dynamic code generator work
   2    with regular QEMU.  */
   3
   4 static int free_qreg;
   5
   6 #define QMODE_I32 1
   7 #define QMODE_F32 1
   8 #define QMODE_F64 2
   9
  10 static inline int gen_new_qreg(int mode)
  11 {
  12     int qreg;
  13
  14     qreg = free_qreg;
  15     free_qreg += mode;
  16     if (free_qreg > MAX_QREGS) {
  17         fprintf(stderr, "qreg overflow\n");
  18         abort();
  19     }
  20     return qreg + TARGET_NUM_QREGS;
  21 }
  22
  23 static inline int gen_im32(uint32_t i)
  24 {
  25     int qreg = gen_new_qreg(QMODE_I32);
  26     gen_op_mov32_im(qreg, i);
  27     return qreg;
  28 }
  29
  30 static inline void gen_op_ldf32_raw(int dest, int addr)
  31 {
  32     gen_op_ld32_raw(dest, addr);
  33 }
  34
  35 static inline void gen_op_stf32_raw(int addr, int dest)
  36 {
  37     gen_op_st32_raw(addr, dest);
  38 }
  39
  40 #if !defined(CONFIG_USER_ONLY)
  41 static inline void gen_op_ldf32_user(int dest, int addr)
  42 {
  43     gen_op_ld32_user(dest, addr);
  44 }
  45
  46 static inline void gen_op_stf32_user(int addr, int dest)
  47 {
  48     gen_op_st32_user(addr, dest);
  49 }
  50
  51 static inline void gen_op_ldf32_kernel(int dest, int addr)
  52 {
  53     gen_op_ld32_kernel(dest, addr);
  54 }
  55
  56 static inline void gen_op_stf32_kernel(int addr, int dest)
  57 {
  58     gen_op_st32_kernel(addr, dest);
  59 }
  60 #endif
  61
  62 static inline void gen_op_pack_32_f32(int dest, int src)
  63 {
  64     gen_op_mov32(dest, src);
  65 }
  66
  67 static inline void gen_op_pack_f32_32(int dest, int src)
  68 {
  69     gen_op_mov32(dest, src);
  70 }
  71
  72 static inline void gen_op_flags_set(void)
  73 {
  74     /* Dummy op.  */
  75 }
  76
  77 static inline void gen_op_shl_im_cc(int val, int shift)
  78 {
  79     gen_op_shl_cc(val, gen_im32(shift));
  80 }
  81
  82 static inline void gen_op_shr_im_cc(int val, int shift)
  83 {
  84     gen_op_shr_cc(val, gen_im32(shift));
  85 }
  86
  87 static inline void gen_op_sar_im_cc(int val, int shift)
  88 {
  89     gen_op_sar_cc(val, gen_im32(shift));
  90 }
  91
  92 #ifdef USE_DIRECT_JUMP
  93 #define TBPARAM(x)
  94 #else
  95 #define TBPARAM(x) (long)(x)
  96 #endif
  97
  98 static inline void gen_op_goto_tb(int dummy, int n, long tb)
  99 {
 100     if (n == 0) {
 101         gen_op_goto_tb0(TBPARAM(tb));
 102     } else {
 103         gen_op_goto_tb1(TBPARAM(tb));
 104     }
 105 }