diff options
Diffstat (limited to 'src/intel/common/gen_decoder.c')
| -rw-r--r-- | src/intel/common/gen_decoder.c | 22 |
1 files changed, 15 insertions, 7 deletions
diff --git a/src/intel/common/gen_decoder.c b/src/intel/common/gen_decoder.c index 1244f4c4480..03c9c7f8d46 100644 --- a/src/intel/common/gen_decoder.c +++ b/src/intel/common/gen_decoder.c @@ -692,28 +692,36 @@ gen_group_get_length(struct gen_group *group, const uint32_t *p) case 3: /* Render */ { uint32_t subtype = field(h, 27, 28); + uint32_t opcode = field(h, 24, 26); switch (subtype) { case 0: - return field(h, 0, 7) + 2; + if (opcode < 2) + return field(h, 0, 7) + 2; + else + return -1; case 1: - return 1; + if (opcode < 2) + return 1; + else + return -1; case 2: { - uint32_t opcode = field(h, 24, 26); - assert(opcode < 3 /* 3 and above currently reserved */); if (opcode == 0) return field(h, 0, 7) + 2; else if (opcode < 3) return field(h, 0, 15) + 2; else - return 1; /* FIXME: if more opcodes are added */ + return -1; } case 3: - return field(h, 0, 7) + 2; + if (opcode < 4) + return field(h, 0, 7) + 2; + else + return -1; } } } - unreachable("bad opcode"); + return -1; } void |