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| author |   Blue Swirl <blauwirbel@gmail.com> | 2009-08-15 16:52:54 +0000 |
|---|---|---|
| committer | Blue Swirl <blauwirbel@gmail.com> | 2009-08-15 16:52:54 +0000 |
| commit | cfa90513a3d41a033aa3bacd5396b81edb0f9ebf (patch) | |
| tree | e374da050326d5e18fbf6bede2287e4de3132b8a /target-sparc | |
| parent | PPC: clean up ppc405 (diff) | |
| download | qemu-kvm-cfa90513a3d41a033aa3bacd5396b81edb0f9ebf.tar.gz qemu-kvm-cfa90513a3d41a033aa3bacd5396b81edb0f9ebf.tar.bz2 qemu-kvm-cfa90513a3d41a033aa3bacd5396b81edb0f9ebf.zip | |
Fix desynchronization of condition code state when a memory access traps
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
Diffstat (limited to 'target-sparc')
| -rw-r--r-- | target-sparc/translate.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/target-sparc/translate.c b/target-sparc/translate.c index 5ef543a1e..9bbfd3cd2 100644 --- a/target-sparc/translate.c +++ b/target-sparc/translate.c @@ -912,6 +912,11 @@ static inline void save_npc(DisasContext *dc, TCGv cond) static inline void save_state(DisasContext *dc, TCGv cond) { tcg_gen_movi_tl(cpu_pc, dc->pc); + /* flush pending conditional evaluations before exposing cpu state */ + if (dc->cc_op != CC_OP_FLAGS) { + dc->cc_op = CC_OP_FLAGS; + gen_helper_compute_psr(); + } save_npc(dc, cond); } @@ -4110,6 +4115,12 @@ static void disas_sparc_insn(DisasContext * dc) { unsigned int xop = GET_FIELD(insn, 7, 12); + /* flush pending conditional evaluations before exposing + cpu state */ + if (dc->cc_op != CC_OP_FLAGS) { + dc->cc_op = CC_OP_FLAGS; + gen_helper_compute_psr(); + } cpu_src1 = get_src1(insn, cpu_src1); if (xop == 0x3c || xop == 0x3e) { // V9 casa/casxa rs2 = GET_FIELD(insn, 27, 31); |