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| author | Mike Frysinger <vapier@gentoo.org> | 2012-04-01 04:31:46 +0000 |
|---|---|---|
| committer | Mike Frysinger <vapier@gentoo.org> | 2012-04-01 04:31:46 +0000 |
| commit | 1d18e9892e9d7a2243636676f05efc2fc29b88e7 (patch) | |
| tree | bf4eaa458837f1e1f438de72b07fa858b2adb445 | |
| parent | 2fa7a0570bc9a5dc033457ce1769a90db0d3c990 (diff) | |
| download | gdb-1d18e9892e9d7a2243636676f05efc2fc29b88e7.zip gdb-1d18e9892e9d7a2243636676f05efc2fc29b88e7.tar.gz gdb-1d18e9892e9d7a2243636676f05efc2fc29b88e7.tar.bz2 | |
sim: bfin: throw VEC_ILGAL_I with 32bit insn in group1/group2 slots
Parallel insns can only do one 32bit, then two 16bits. So if we see
a 2nd 32bit insn after the first 32bit in a parallel insn, abort.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
| -rw-r--r-- | sim/bfin/ChangeLog | 5 | ||||
| -rw-r--r-- | sim/bfin/bfin-sim.c | 3 |
2 files changed, 8 insertions, 0 deletions
diff --git a/sim/bfin/ChangeLog b/sim/bfin/ChangeLog index 899d0ca..f442224 100644 --- a/sim/bfin/ChangeLog +++ b/sim/bfin/ChangeLog @@ -1,5 +1,10 @@ 2012-04-01 Mike Frysinger <vapier@gentoo.org> + * bfin-sim.c (_interp_insn_bfin): Call illegal_instruction_combination + when INSN_LEN is non-zero before 32bit decode. + +2012-04-01 Mike Frysinger <vapier@gentoo.org> + * bfin-dis.c (fmtconst): Replace decimal handling with a single sprintf call and the '*' field width. diff --git a/sim/bfin/bfin-sim.c b/sim/bfin/bfin-sim.c index 54d6bca..a8c7794 100644 --- a/sim/bfin/bfin-sim.c +++ b/sim/bfin/bfin-sim.c @@ -6187,6 +6187,9 @@ _interp_insn_bfin (SIM_CPU *cpu, bu32 pc) /* Only cache on first run through (in case of parallel insns). */ if (INSN_LEN == 0) INSN_LEN = insn_len; + else + /* Once you're past the first slot, only 16bit insns are valid. */ + illegal_instruction_combination (cpu); if ((iw0 & 0xf7ff) == 0xc003 && (iw1 & 0xfe00) == 0x1800) { |