proxmox-mirrors/qemu
1
0
Fork 0
mirror of https://git.proxmox.com/git/qemu synced 2025-08-16 21:28:55 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

fixed MMU bug on code page boundary

Browse Source 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1362 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
bellard 2005-04-10 14:40:58 +00:00
parent 2b03a7a5bc
commit d39c0b990a
1 changed files with 8 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
target-sparc/translate.c
View File

@ -1395,24 +1395,24 @@ static void disas_sparc_insn(DisasContext * dc)
if (!supervisor(dc)) if (!supervisor(dc))
goto priv_insn; goto priv_insn;
gen_op_sta(insn, 0, 4, 0); gen_op_sta(insn, 0, 4, 0);
break; break;
case 0x15: case 0x15:
if (!supervisor(dc)) if (!supervisor(dc))
goto priv_insn; goto priv_insn;
gen_op_stba(insn, 0, 1, 0); gen_op_stba(insn, 0, 1, 0);
break; break;
case 0x16: case 0x16:
if (!supervisor(dc)) if (!supervisor(dc))
goto priv_insn; goto priv_insn;
gen_op_stha(insn, 0, 2, 0); gen_op_stha(insn, 0, 2, 0);
break; break;
case 0x17: case 0x17:
if (!supervisor(dc)) if (!supervisor(dc))
goto priv_insn; goto priv_insn;
flush_T2(dc); flush_T2(dc);
gen_movl_reg_T2(rd + 1); gen_movl_reg_T2(rd + 1);
gen_op_stda(insn, 0, 8, 0); gen_op_stda(insn, 0, 8, 0);
break; break;
#endif #endif
default: default:
case 0x0e: /* V9 stx */ 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 the next PC is different, we abort now */
if (dc->pc != (last_pc + 4)) if (dc->pc != (last_pc + 4))
break; 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 /* if single step mode, we generate only one instruction and
generate an exception */ generate an exception */
if (env->singlestep_enabled) { if (env->singlestep_enabled) {