Commit d39c0b99 authored by bellard's avatar bellard
Browse files

fixed MMU bug on code page boundary


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1362 c046a42c-6fe2-441c-8c8c-71466251a162
parent 2b03a7a5
......@@ -1395,24 +1395,24 @@ static void disas_sparc_insn(DisasContext * dc)
if (!supervisor(dc))
goto priv_insn;
gen_op_sta(insn, 0, 4, 0);
break;
break;
case 0x15:
if (!supervisor(dc))
goto priv_insn;
gen_op_stba(insn, 0, 1, 0);
break;
break;
case 0x16:
if (!supervisor(dc))
goto priv_insn;
gen_op_stha(insn, 0, 2, 0);
break;
break;
case 0x17:
if (!supervisor(dc))
goto priv_insn;
flush_T2(dc);
gen_movl_reg_T2(rd + 1);
gen_op_stda(insn, 0, 8, 0);
break;
break;
#endif
default:
case 0x0e: /* V9 stx */
......@@ -1545,6 +1545,10 @@ static inline int gen_intermediate_code_internal(TranslationBlock * tb,
/* if the next PC is different, we abort now */
if (dc->pc != (last_pc + 4))
break;
/* if we reach a page boundary, we stop generation so that the
PC of a TT_TFAULT exception is always in the right page */
if ((dc->pc & (TARGET_PAGE_SIZE - 1)) == 0)
break;
/* if single step mode, we generate only one instruction and
generate an exception */
if (env->singlestep_enabled) {
......
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