1 /*
2  * Copyright © 2014 Intel Corporation
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining a
5  * copy of this software and associated documentation files (the "Software"),
6  * to deal in the Software without restriction, including without limitation
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:
10  *
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
13  * Software.
14  *
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
19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
21  * DEALINGS IN THE SOFTWARE.
22  *
23  * Authors:
24  *	Mika Kuoppala <mika.kuoppala@intel.com>
25  *	Armin Reese <armin.c.reese@intel.com>
26  */
27 
28 #include <stdio.h>
29 #include <stdlib.h>
30 #include <errno.h>
31 #include <assert.h>
32 
33 #include "intel_renderstate.h"
34 #include "intel_batchbuffer.h"
35 
36 static int debug = 0;
37 
print_usage(char * s)38 static void print_usage(char *s)
39 {
40 	fprintf(stderr, "%s: <gen>\n"
41 		"     gen:     gen to generate for (6,7,8,9)\n",
42 		s);
43 }
44 
45 /* Creates the intel_renderstate_genX.c file for the particular
46  * GEN product
47  */
print_state(int gen,struct intel_batchbuffer * batch)48 static int print_state(int gen, struct intel_batchbuffer *batch)
49 {
50 	int i;
51 	unsigned long cmds;
52 
53 	fprintf(stderr, "Generating for gen%d\n", gen);
54 
55 	printf("#include \"intel_renderstate.h\"\n\n");
56 
57 	/* Relocation offsets.  These are byte offsets in the golden context
58 	 * batch buffer where the BB graphics address will be added to
59 	 * the indirect state offset already stored in those locations.  The
60 	 * resulting value will inform the GPU where the indirect states are.
61 	 */
62 	printf("static const u32 gen%d_null_state_relocs[] = {\n", gen);
63 	for (i = 0; i < batch->cmds->num_items; i++) {
64 		if (intel_batch_is_reloc(batch, i))
65 			printf("\t0x%08x,\n", i * 4);
66 	}
67 	printf("\t-1,\n};\n\n");
68 
69 	/* GPU commands to execute to set up the RCS golden state.  This
70 	 * state will become the default config.
71 	 */
72 	printf("static const u32 gen%d_null_state_batch[] = {\n", gen);
73 	for (i = 0; i < intel_batch_num_cmds(batch); i++) {
74 		const int offset = i * 4;
75 		const struct bb_item *cmd = intel_batch_cmd_get(batch, i);
76 		printf("\t0x%08x,", cmd->data);
77 
78 		if (debug)
79 			printf("\t /* 0x%08x %s '%s' */", offset,
80 				intel_batch_type_as_str(cmd), cmd->str);
81 
82 		if (offset == batch->cmds_end_offset) {
83 			cmds = i + 1;
84 			printf("\t /* cmds end */");
85 		}
86 
87 		if (intel_batch_is_reloc(batch, i))
88 			printf("\t /* reloc */");
89 
90 		if (offset == batch->state_start_offset)
91 			printf("\t /* state start */");
92 
93 		if (i == intel_batch_num_cmds(batch) - 1)
94 			printf("\t /* state end */");
95 
96 		printf("\n");
97 	}
98 
99 	printf("};\n\nRO_RENDERSTATE(%d);\n", gen);
100 
101 	fprintf(stderr, "Commands %lu (%lu bytes)\n", cmds, cmds * 4);
102 	fprintf(stderr, "State    %lu (%lu bytes)\n", batch->state->num_items, batch->state->num_items * 4);
103 	fprintf(stderr, "Total    %lu (%lu bytes)\n", batch->cmds->num_items, batch->cmds->num_items * 4);
104 	fprintf(stderr, "\n");
105 
106 	return 0;
107 }
108 
109 /* Selects generator function for the given product and executes it. */
do_generate(int gen)110 static int do_generate(int gen)
111 {
112 	struct intel_batchbuffer *batch;
113 	int ret = -EINVAL;
114 	void (*null_state_gen)(struct intel_batchbuffer *batch) = NULL;
115 
116 	batch = intel_batchbuffer_create();
117 	if (batch == NULL)
118 		return -ENOMEM;
119 
120 	switch (gen) {
121 	case 6:
122 		null_state_gen = gen6_setup_null_render_state;
123 		break;
124 
125 	case 7:
126 		null_state_gen = gen7_setup_null_render_state;
127 		break;
128 
129 	case 8:
130 		null_state_gen = gen8_setup_null_render_state;
131 		break;
132 	case 9:
133 		null_state_gen = gen9_setup_null_render_state;
134 		break;
135 	}
136 
137 	if (null_state_gen == NULL) {
138 		printf("no generator found for %d\n", gen);
139 		return -EINVAL;
140 	}
141 
142 	null_state_gen(batch);
143 	intel_batch_relocate_state(batch);
144 
145 	ret = print_state(gen, batch);
146 
147 	return ret;
148 }
149 
main(int argc,char * argv[])150 int main(int argc, char *argv[])
151 {
152 	if (argc < 2) {
153 		print_usage(argv[0]);
154 		return 1;
155 	}
156 
157 	if (argc > 2)
158 		debug = 1;
159 
160 	return do_generate(atoi(argv[1]));
161 }
162