diff options
| author | Chris Wilson <chris@chris-wilson.co.uk> | 2009-02-04 20:59:22 +0000 |
|---|---|---|
| committer | Kristian Høgsberg <krh@redhat.com> | 2009-02-04 17:04:31 -0500 |
| commit | e92d97d75bcd1ac2caafc2a565b304639cedd520 (patch) | |
| tree | 5c3c869f64b730c4105244b9edd651237cd7dfdf /src/mesa/drivers/dri | |
| parent | 05d130a35acf10c0c002fcf5f3a32154ca9cb19e (diff) | |
intel: Decode MI operands using specific length masks
The MI opcodes have different variable length masks, so use an operand
specific mask to decode the length.
Diffstat (limited to 'src/mesa/drivers/dri')
| -rw-r--r-- | src/mesa/drivers/dri/intel/intel_decode.c | 43 |
1 files changed, 23 insertions, 20 deletions
diff --git a/src/mesa/drivers/dri/intel/intel_decode.c b/src/mesa/drivers/dri/intel/intel_decode.c index cbee7dc5d9..136221c37f 100644 --- a/src/mesa/drivers/dri/intel/intel_decode.c +++ b/src/mesa/drivers/dri/intel/intel_decode.c @@ -87,27 +87,28 @@ decode_mi(uint32_t *data, int count, uint32_t hw_offset, int *failures) struct { uint32_t opcode; + int len_mask; int min_len; int max_len; char *name; } opcodes_mi[] = { - { 0x08, 1, 1, "MI_ARB_ON_OFF" }, - { 0x0a, 1, 1, "MI_BATCH_BUFFER_END" }, - { 0x31, 2, 2, "MI_BATCH_BUFFER_START" }, - { 0x14, 3, 3, "MI_DISPLAY_BUFFER_INFO" }, - { 0x04, 1, 1, "MI_FLUSH" }, - { 0x22, 3, 3, "MI_LOAD_REGISTER_IMM" }, - { 0x13, 2, 2, "MI_LOAD_SCAN_LINES_EXCL" }, - { 0x12, 2, 2, "MI_LOAD_SCAN_LINES_INCL" }, - { 0x00, 1, 1, "MI_NOOP" }, - { 0x11, 2, 2, "MI_OVERLAY_FLIP" }, - { 0x07, 1, 1, "MI_REPORT_HEAD" }, - { 0x18, 2, 2, "MI_SET_CONTEXT" }, - { 0x20, 3, 4, "MI_STORE_DATA_IMM" }, - { 0x21, 3, 4, "MI_STORE_DATA_INDEX" }, - { 0x24, 3, 3, "MI_STORE_REGISTER_MEM" }, - { 0x02, 1, 1, "MI_USER_INTERRUPT" }, - { 0x03, 1, 1, "MI_WAIT_FOR_EVENT" }, + { 0x08, 0, 1, 1, "MI_ARB_ON_OFF" }, + { 0x0a, 0, 1, 1, "MI_BATCH_BUFFER_END" }, + { 0x31, 0x3f, 2, 2, "MI_BATCH_BUFFER_START" }, + { 0x14, 0x3f, 3, 3, "MI_DISPLAY_BUFFER_INFO" }, + { 0x04, 0, 1, 1, "MI_FLUSH" }, + { 0x22, 0, 3, 3, "MI_LOAD_REGISTER_IMM" }, + { 0x13, 0x3f, 2, 2, "MI_LOAD_SCAN_LINES_EXCL" }, + { 0x12, 0x3f, 2, 2, "MI_LOAD_SCAN_LINES_INCL" }, + { 0x00, 0, 1, 1, "MI_NOOP" }, + { 0x11, 0x3f, 2, 2, "MI_OVERLAY_FLIP" }, + { 0x07, 0, 1, 1, "MI_REPORT_HEAD" }, + { 0x18, 0x3f, 2, 2, "MI_SET_CONTEXT" }, + { 0x20, 0x3f, 3, 4, "MI_STORE_DATA_IMM" }, + { 0x21, 0x3f, 3, 4, "MI_STORE_DATA_INDEX" }, + { 0x24, 0x3f, 3, 3, "MI_STORE_REGISTER_MEM" }, + { 0x02, 0, 1, 1, "MI_USER_INTERRUPT" }, + { 0x03, 0, 1, 1, "MI_WAIT_FOR_EVENT" }, }; @@ -118,12 +119,14 @@ decode_mi(uint32_t *data, int count, uint32_t hw_offset, int *failures) instr_out(data, hw_offset, 0, "%s\n", opcodes_mi[opcode].name); if (opcodes_mi[opcode].max_len > 1) { - len = (data[0] & 0x000000ff) + 2; + len = (data[0] & opcodes_mi[opcode].len_mask) + 2; if (len < opcodes_mi[opcode].min_len || len > opcodes_mi[opcode].max_len) { - fprintf(out, "Bad length in %s\n", - opcodes_mi[opcode].name); + fprintf(out, "Bad length (%d) in %s, [%d, %d]\n", + len, opcodes_mi[opcode].name, + opcodes_mi[opcode].min_len, + opcodes_mi[opcode].max_len); } } |