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| author |   Edgar E. Iglesias <edgar.iglesias@gmail.com> | 2009-09-04 10:38:59 +0200 |
|---|---|---|
| committer | Edgar E. Iglesias <edgar.iglesias@gmail.com> | 2009-09-04 10:38:59 +0200 |
| commit | 0187688f3270433269fc7d4909ad36dc5c5db7aa (patch) | |
| tree | 7a07f9a85ec209eaa0f1e556ee294d65cf2fbbdf /target-microblaze | |
| parent | microblaze: Correct FPU decoding masks. (diff) | |
| download | qemu-kvm-0187688f3270433269fc7d4909ad36dc5c5db7aa.tar.gz qemu-kvm-0187688f3270433269fc7d4909ad36dc5c5db7aa.tar.bz2 qemu-kvm-0187688f3270433269fc7d4909ad36dc5c5db7aa.zip | |
microblaze: Trap on illegal load/store sizes.
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
Diffstat (limited to 'target-microblaze')
| -rw-r--r-- | target-microblaze/translate.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/target-microblaze/translate.c b/target-microblaze/translate.c index b180d24b0..bb37f04ed 100644 --- a/target-microblaze/translate.c +++ b/target-microblaze/translate.c @@ -803,6 +803,12 @@ static void dec_load(DisasContext *dc) unsigned int size; size = 1 << (dc->opcode & 3); + if (size > 4 && (dc->tb_flags & MSR_EE_FLAG) + && !(dc->env->pvr.regs[2] & PVR2_ILL_OPCODE_EXC_MASK)) { + tcg_gen_movi_tl(cpu_SR[SR_ESR], ESR_EC_ILLEGAL_OP); + t_gen_raise_exception(dc, EXCP_HW_EXCP); + return; + } LOG_DIS("l %x %d\n", dc->opcode, size); t_sync_flags(dc); @@ -849,6 +855,13 @@ static void dec_store(DisasContext *dc) size = 1 << (dc->opcode & 3); + if (size > 4 && (dc->tb_flags & MSR_EE_FLAG) + && !(dc->env->pvr.regs[2] & PVR2_ILL_OPCODE_EXC_MASK)) { + tcg_gen_movi_tl(cpu_SR[SR_ESR], ESR_EC_ILLEGAL_OP); + t_gen_raise_exception(dc, EXCP_HW_EXCP); + return; + } + LOG_DIS("s%d%s\n", size, dc->type_b ? "i" : ""); t_sync_flags(dc); /* If we get a fault on a dslot, the jmpstate better be in sync. */ |