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-rw-r--r--src/intel/common/gen_decoder.c22
-rw-r--r--src/intel/tools/aubinator.c7
-rw-r--r--src/intel/tools/aubinator_error_decode.c7
-rw-r--r--src/mesa/drivers/dri/i965/intel_batchbuffer.c8
4 files changed, 27 insertions, 17 deletions
diff --git a/src/intel/common/gen_decoder.c b/src/intel/common/gen_decoder.c
index 1244f4c448..03c9c7f8d4 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
diff --git a/src/intel/tools/aubinator.c b/src/intel/tools/aubinator.c
index cae578baba..05d932ea6c 100644
--- a/src/intel/tools/aubinator.c
+++ b/src/intel/tools/aubinator.c
@@ -682,17 +682,18 @@ static void
parse_commands(struct gen_spec *spec, uint32_t *cmds, int size, int engine)
{
uint32_t *p, *end = cmds + size / 4;
- unsigned int length, i;
+ int length, i;
struct gen_group *inst;
for (p = cmds; p < end; p += length) {
inst = gen_spec_find_instruction(spec, p);
+ length = gen_group_get_length(inst, p);
+ assert(inst == NULL || length > 0);
+ length = MAX2(1, length);
if (inst == NULL) {
fprintf(outfile, "unknown instruction %08x\n", p[0]);
- length = (p[0] & 0xff) + 2;
continue;
}
- length = gen_group_get_length(inst, p);
const char *color, *reset_color = NORMAL;
uint64_t offset;
diff --git a/src/intel/tools/aubinator_error_decode.c b/src/intel/tools/aubinator_error_decode.c
index 1bdab00a66..2e623698ed 100644
--- a/src/intel/tools/aubinator_error_decode.c
+++ b/src/intel/tools/aubinator_error_decode.c
@@ -217,7 +217,7 @@ static void decode(struct gen_spec *spec,
int *count)
{
uint32_t *p, *end = (data + *count);
- unsigned int length;
+ int length;
struct gen_group *inst;
for (p = data; p < end; p += length) {
@@ -226,9 +226,11 @@ static void decode(struct gen_spec *spec,
uint64_t offset = gtt_offset + 4 * (p - data);
inst = gen_spec_find_instruction(spec, p);
+ length = gen_group_get_length(inst, p);
+ assert(inst == NULL || length > 0);
+ length = MAX2(1, length);
if (inst == NULL) {
printf("unknown instruction %08x\n", p[0]);
- length = (p[0] & 0xff) + 2;
continue;
}
if (option_color == COLOR_NEVER) {
@@ -241,7 +243,6 @@ static void decode(struct gen_spec *spec,
gen_print_group(stdout, inst, offset, p,
option_color == COLOR_ALWAYS);
- length = gen_group_get_length(inst, p);
}
}
diff --git a/src/mesa/drivers/dri/i965/intel_batchbuffer.c b/src/mesa/drivers/dri/i965/intel_batchbuffer.c
index 54bab9efb0..54777d1c34 100644
--- a/src/mesa/drivers/dri/i965/intel_batchbuffer.c
+++ b/src/mesa/drivers/dri/i965/intel_batchbuffer.c
@@ -220,7 +220,7 @@ do_batch_dump(struct brw_context *brw)
uint32_t *data = batch->bo->virtual ? batch->bo->virtual : batch->map;
uint32_t *end = data + USED_BATCH(*batch);
uint32_t gtt_offset = batch->bo->virtual ? batch->bo->offset64 : 0;
- unsigned int length;
+ int length;
bool color = INTEL_DEBUG & DEBUG_COLOR;
const char *header_color = color ? BLUE_HEADER : "";
@@ -228,9 +228,11 @@ do_batch_dump(struct brw_context *brw)
for (uint32_t *p = data; p < end; p += length) {
struct gen_group *inst = gen_spec_find_instruction(spec, p);
+ length = gen_group_get_length(inst, p);
+ assert(inst == NULL || length > 0);
+ length = MAX2(1, length);
if (inst == NULL) {
fprintf(stderr, "unknown instruction %08x\n", p[0]);
- length = (p[0] & 0xff) + 2;
continue;
}
@@ -316,8 +318,6 @@ do_batch_dump(struct brw_context *brw)
gtt_offset, p[1] & ~0x3fu, color);
break;
}
-
- length = gen_group_get_length(inst, p);
}
if (ret == 0) {