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| author | edgar_igl <edgar_igl@c046a42c-6fe2-441c-8c8c-71466251a162> | 2008-02-28 09:37:58 +0000 |
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| committer | edgar_igl <edgar_igl@c046a42c-6fe2-441c-8c8c-71466251a162> | 2008-02-28 09:37:58 +0000 |
| commit | 4f400ab52009ed8f76fa541454a4368f9515f897 (patch) | |
| tree | cc82807ee9aab079a1ef2156d9c256ac2bc935c3 /target-cris/translate.c | |
| parent | 9004627f9b913085e9a6926d76c065c7372815ab (diff) | |
| download | qemu-4f400ab52009ed8f76fa541454a4368f9515f897.zip qemu-4f400ab52009ed8f76fa541454a4368f9515f897.tar.gz qemu-4f400ab52009ed8f76fa541454a4368f9515f897.tar.bz2 | |
Cut the translation block after translating a break insn. This avoids an issue where QEMU finds an illegal CRIS insn while the guest is returning through a signal return trampoline.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3997 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'target-cris/translate.c')
| -rw-r--r-- | target-cris/translate.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/target-cris/translate.c b/target-cris/translate.c index 4150737..e653afd 100644 --- a/target-cris/translate.c +++ b/target-cris/translate.c @@ -71,6 +71,8 @@ #define BUG() (gen_BUG(dc, __FILE__, __LINE__)) #define BUG_ON(x) ({if (x) BUG();}) +#define DISAS_SWI 5 + /* Used by the decoder. */ #define EXTRACT_FIELD(src, start, end) \ (((src) >> start) & ((1 << (end - start + 1)) - 1)) @@ -2112,6 +2114,7 @@ static unsigned int dec_rfe_etc(DisasContext *dc) gen_op_movl_pc_T0(); /* Breaks start at 16 in the exception vector. */ gen_op_break_im(dc->op1 + 16); + dc->is_jmp = DISAS_SWI; break; default: printf ("op2=%x\n", dc->op2); @@ -2332,7 +2335,8 @@ gen_intermediate_code_internal(CPUState *env, TranslationBlock *tb, do { check_breakpoint(env, dc); - if (dc->is_jmp == DISAS_JUMP) + if (dc->is_jmp == DISAS_JUMP + || dc->is_jmp == DISAS_SWI) goto done; if (search_pc) { @@ -2404,6 +2408,7 @@ gen_intermediate_code_internal(CPUState *env, TranslationBlock *tb, to find the next TB */ tcg_gen_exit_tb(0); break; + case DISAS_SWI: case DISAS_TB_JUMP: /* nothing more to generate */ break; |