Commit 821f7e76100f71d9ad104be9d1e12835e201ce80

Authored by pbrook
1 parent 5fc4adf6

Implement ColdFire ff1.


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2883 c046a42c-6fe2-441c-8c8c-71466251a162
target-m68k/op.c
... ... @@ -170,6 +170,16 @@ OP(btest)
170 170 FORCE_RET();
171 171 }
172 172  
  173 +OP(ff1)
  174 +{
  175 + uint32_t arg = get_op(PARAM2);
  176 + int n;
  177 + for (n = 32; arg; n--)
  178 + arg >>= 1;
  179 + set_op(PARAM1, n);
  180 + FORCE_RET();
  181 +}
  182 +
173 183 OP(subx_cc)
174 184 {
175 185 uint32_t op1 = get_op(PARAM1);
... ...
target-m68k/translate.c
... ... @@ -1929,7 +1929,10 @@ DISAS_INSN(shift_reg)
1929 1929  
1930 1930 DISAS_INSN(ff1)
1931 1931 {
1932   - cpu_abort(NULL, "Unimplemented insn: ff1");
  1932 + int reg;
  1933 + reg = DREG(insn, 0);
  1934 + gen_logic_cc(s, reg);
  1935 + gen_op_ff1(reg, reg);
1933 1936 }
1934 1937  
1935 1938 static int gen_get_sr(DisasContext *s)
... ...