2 * Copyright © 2014 Intel Corporation
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
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7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
26 #include "compiler/brw_inst.h"
27 #include "compiler/brw_eu.h"
29 #include "gen_disasm.h"
34 struct gen_device_info devinfo
;
38 is_send(uint32_t opcode
)
40 return (opcode
== BRW_OPCODE_SEND
||
41 opcode
== BRW_OPCODE_SENDC
||
42 opcode
== BRW_OPCODE_SENDS
||
43 opcode
== BRW_OPCODE_SENDSC
);
47 gen_disasm_find_end(struct gen_disasm
*disasm
, void *assembly
, int start
)
49 struct gen_device_info
*devinfo
= &disasm
->devinfo
;
52 /* This loop exits when send-with-EOT or when opcode is 0 */
54 brw_inst
*insn
= assembly
+ offset
;
56 if (brw_inst_cmpt_control(devinfo
, insn
)) {
62 /* Simplistic, but efficient way to terminate disasm */
63 uint32_t opcode
= brw_inst_opcode(devinfo
, insn
);
64 if (opcode
== 0 || (is_send(opcode
) && brw_inst_eot(devinfo
, insn
))) {
73 gen_disasm_disassemble(struct gen_disasm
*disasm
, void *assembly
,
76 struct gen_device_info
*devinfo
= &disasm
->devinfo
;
77 int end
= gen_disasm_find_end(disasm
, assembly
, start
);
79 /* Make a dummy annotation structure that brw_validate_instructions
82 struct annotation_info annotation_info
= {
86 annotation_info
.mem_ctx
= ralloc_context(NULL
);
87 annotation_info
.ann
= rzalloc_array(annotation_info
.mem_ctx
,
89 annotation_info
.ann_size
);
90 annotation_info
.ann
[0].offset
= start
;
91 annotation_info
.ann
[1].offset
= end
;
92 brw_validate_instructions(devinfo
, assembly
, start
, end
, &annotation_info
);
93 struct annotation
*annotation
= annotation_info
.ann
;
95 for (int i
= 0; i
< annotation_info
.ann_count
; i
++) {
96 int start_offset
= annotation
[i
].offset
;
97 int end_offset
= annotation
[i
+ 1].offset
;
99 brw_disassemble(devinfo
, assembly
, start_offset
, end_offset
, stdout
);
101 if (annotation
[i
].error
) {
102 fputs(annotation
[i
].error
, stdout
);
106 ralloc_free(annotation_info
.mem_ctx
);
110 gen_disasm_create(int pciid
)
112 struct gen_disasm
*gd
;
114 gd
= malloc(sizeof *gd
);
118 if (!gen_get_device_info(pciid
, &gd
->devinfo
)) {
123 brw_init_compaction_tables(&gd
->devinfo
);
129 gen_disasm_destroy(struct gen_disasm
*disasm
)