1/*
2 * Copyright 2010 Jerome Glisse <glisse@freedesktop.org>
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 * on the rights to use, copy, modify, merge, publish, distribute, sub
8 * license, and/or sell copies of the Software, and to permit persons to whom
9 * the 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 NON-INFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
19 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
20 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
21 * USE OR OTHER DEALINGS IN THE SOFTWARE.
22 */
23#include "r600_pipe.h"
24#include "r600_opcodes.h"
25#include "r600_shader.h"
26
27#include "util/u_memory.h"
28#include "eg_sq.h"
29#include <errno.h>
30
31int eg_bytecode_cf_build(struct r600_bytecode *bc, struct r600_bytecode_cf *cf)
32{
33	unsigned id = cf->id;
34
35	if (cf->op == CF_NATIVE) {
36		bc->bytecode[id++] = cf->isa[0];
37		bc->bytecode[id++] = cf->isa[1];
38	} else {
39		const struct cf_op_info *cfop = r600_isa_cf(cf->op);
40		unsigned opcode = r600_isa_cf_opcode(bc->isa->hw_class, cf->op);
41		if (cfop->flags & CF_ALU) { /* ALU clauses */
42
43			/* prepend ALU_EXTENDED if we need more than 2 kcache sets */
44			if (cf->eg_alu_extended) {
45				bc->bytecode[id++] =
46						S_SQ_CF_ALU_WORD0_EXT_KCACHE_BANK_INDEX_MODE0(cf->kcache[0].index_mode) |
47						S_SQ_CF_ALU_WORD0_EXT_KCACHE_BANK_INDEX_MODE1(cf->kcache[1].index_mode) |
48						S_SQ_CF_ALU_WORD0_EXT_KCACHE_BANK_INDEX_MODE2(cf->kcache[2].index_mode) |
49						S_SQ_CF_ALU_WORD0_EXT_KCACHE_BANK_INDEX_MODE3(cf->kcache[3].index_mode) |
50						S_SQ_CF_ALU_WORD0_EXT_KCACHE_BANK2(cf->kcache[2].bank) |
51						S_SQ_CF_ALU_WORD0_EXT_KCACHE_BANK3(cf->kcache[3].bank) |
52						S_SQ_CF_ALU_WORD0_EXT_KCACHE_MODE2(cf->kcache[2].mode);
53				bc->bytecode[id++] =
54						S_SQ_CF_ALU_WORD1_EXT_CF_INST(
55							r600_isa_cf_opcode(bc->isa->hw_class, CF_OP_ALU_EXT)) |
56						S_SQ_CF_ALU_WORD1_EXT_KCACHE_MODE3(cf->kcache[3].mode) |
57						S_SQ_CF_ALU_WORD1_EXT_KCACHE_ADDR2(cf->kcache[2].addr) |
58						S_SQ_CF_ALU_WORD1_EXT_KCACHE_ADDR3(cf->kcache[3].addr) |
59						S_SQ_CF_ALU_WORD1_EXT_BARRIER(1);
60			}
61			bc->bytecode[id++] = S_SQ_CF_ALU_WORD0_ADDR(cf->addr >> 1) |
62					S_SQ_CF_ALU_WORD0_KCACHE_MODE0(cf->kcache[0].mode) |
63					S_SQ_CF_ALU_WORD0_KCACHE_BANK0(cf->kcache[0].bank) |
64					S_SQ_CF_ALU_WORD0_KCACHE_BANK1(cf->kcache[1].bank);
65			bc->bytecode[id++] = S_SQ_CF_ALU_WORD1_CF_INST(opcode) |
66					S_SQ_CF_ALU_WORD1_KCACHE_MODE1(cf->kcache[1].mode) |
67					S_SQ_CF_ALU_WORD1_KCACHE_ADDR0(cf->kcache[0].addr) |
68					S_SQ_CF_ALU_WORD1_KCACHE_ADDR1(cf->kcache[1].addr) |
69					S_SQ_CF_ALU_WORD1_BARRIER(1) |
70					S_SQ_CF_ALU_WORD1_COUNT((cf->ndw / 2) - 1);
71		} else if (cfop->flags & CF_CLAUSE) {
72			/* CF_TEX/VTX (CF_ALU already handled above) */
73			bc->bytecode[id++] = S_SQ_CF_WORD0_ADDR(cf->addr >> 1);
74			bc->bytecode[id++] = S_SQ_CF_WORD1_CF_INST(opcode) |
75					S_SQ_CF_WORD1_BARRIER(1) |
76					S_SQ_CF_WORD1_COUNT((cf->ndw / 4) - 1);
77		} else if (cfop->flags & CF_EXP) {
78			/* EXPORT instructions */
79			bc->bytecode[id++] = S_SQ_CF_ALLOC_EXPORT_WORD0_RW_GPR(cf->output.gpr) |
80					S_SQ_CF_ALLOC_EXPORT_WORD0_ELEM_SIZE(cf->output.elem_size) |
81					S_SQ_CF_ALLOC_EXPORT_WORD0_ARRAY_BASE(cf->output.array_base) |
82					S_SQ_CF_ALLOC_EXPORT_WORD0_TYPE(cf->output.type) |
83					S_SQ_CF_ALLOC_EXPORT_WORD0_INDEX_GPR(cf->output.index_gpr);
84			bc->bytecode[id] =
85					S_SQ_CF_ALLOC_EXPORT_WORD1_BURST_COUNT(cf->output.burst_count - 1) |
86					S_SQ_CF_ALLOC_EXPORT_WORD1_SWIZ_SEL_X(cf->output.swizzle_x) |
87					S_SQ_CF_ALLOC_EXPORT_WORD1_SWIZ_SEL_Y(cf->output.swizzle_y) |
88					S_SQ_CF_ALLOC_EXPORT_WORD1_SWIZ_SEL_Z(cf->output.swizzle_z) |
89					S_SQ_CF_ALLOC_EXPORT_WORD1_SWIZ_SEL_W(cf->output.swizzle_w) |
90					S_SQ_CF_ALLOC_EXPORT_WORD1_BARRIER(cf->barrier) |
91					S_SQ_CF_ALLOC_EXPORT_WORD1_CF_INST(opcode);
92
93			if (bc->chip_class == EVERGREEN) /* no EOP on cayman */
94				bc->bytecode[id] |= S_SQ_CF_ALLOC_EXPORT_WORD1_END_OF_PROGRAM(cf->end_of_program);
95			id++;
96		} else if (cfop->flags & CF_MEM) {
97			/* MEM_STREAM, MEM_RING instructions */
98			bc->bytecode[id++] = S_SQ_CF_ALLOC_EXPORT_WORD0_RW_GPR(cf->output.gpr) |
99					S_SQ_CF_ALLOC_EXPORT_WORD0_ELEM_SIZE(cf->output.elem_size) |
100					S_SQ_CF_ALLOC_EXPORT_WORD0_ARRAY_BASE(cf->output.array_base) |
101					S_SQ_CF_ALLOC_EXPORT_WORD0_TYPE(cf->output.type) |
102					S_SQ_CF_ALLOC_EXPORT_WORD0_INDEX_GPR(cf->output.index_gpr);
103			bc->bytecode[id] = S_SQ_CF_ALLOC_EXPORT_WORD1_BURST_COUNT(cf->output.burst_count - 1) |
104					S_SQ_CF_ALLOC_EXPORT_WORD1_BARRIER(cf->barrier) |
105					S_SQ_CF_ALLOC_EXPORT_WORD1_CF_INST(opcode) |
106					S_SQ_CF_ALLOC_EXPORT_WORD1_BUF_COMP_MASK(cf->output.comp_mask) |
107					S_SQ_CF_ALLOC_EXPORT_WORD1_BUF_ARRAY_SIZE(cf->output.array_size);
108			if (bc->chip_class == EVERGREEN) /* no EOP on cayman */
109				bc->bytecode[id] |= S_SQ_CF_ALLOC_EXPORT_WORD1_END_OF_PROGRAM(cf->end_of_program);
110			id++;
111		} else {
112			/* other instructions */
113			bc->bytecode[id++] = S_SQ_CF_WORD0_ADDR(cf->cf_addr >> 1);
114			bc->bytecode[id++] =  S_SQ_CF_WORD1_CF_INST(opcode)|
115					S_SQ_CF_WORD1_BARRIER(1) |
116					S_SQ_CF_WORD1_COND(cf->cond) |
117					S_SQ_CF_WORD1_POP_COUNT(cf->pop_count) |
118					S_SQ_CF_WORD1_COUNT(cf->count) |
119					S_SQ_CF_WORD1_END_OF_PROGRAM(cf->end_of_program);
120		}
121	}
122	return 0;
123}
124
125#if 0
126void eg_bytecode_export_read(struct r600_bytecode *bc,
127		struct r600_bytecode_output *output, uint32_t word0, uint32_t word1)
128{
129	output->array_base = G_SQ_CF_ALLOC_EXPORT_WORD0_ARRAY_BASE(word0);
130	output->type = G_SQ_CF_ALLOC_EXPORT_WORD0_TYPE(word0);
131	output->gpr = G_SQ_CF_ALLOC_EXPORT_WORD0_RW_GPR(word0);
132	output->elem_size = G_SQ_CF_ALLOC_EXPORT_WORD0_ELEM_SIZE(word0);
133
134	output->swizzle_x = G_SQ_CF_ALLOC_EXPORT_WORD1_SWIZ_SEL_X(word1);
135	output->swizzle_y = G_SQ_CF_ALLOC_EXPORT_WORD1_SWIZ_SEL_Y(word1);
136	output->swizzle_z = G_SQ_CF_ALLOC_EXPORT_WORD1_SWIZ_SEL_Z(word1);
137	output->swizzle_w = G_SQ_CF_ALLOC_EXPORT_WORD1_SWIZ_SEL_W(word1);
138	output->burst_count = G_SQ_CF_ALLOC_EXPORT_WORD1_BURST_COUNT(word1);
139	output->end_of_program = G_SQ_CF_ALLOC_EXPORT_WORD1_END_OF_PROGRAM(word1);
140	output->op = r600_isa_cf_by_opcode(bc->isa,
141			G_SQ_CF_ALLOC_EXPORT_WORD1_CF_INST(word1), /* is_cf_alu = */ 0 );
142	output->barrier = G_SQ_CF_ALLOC_EXPORT_WORD1_BARRIER(word1);
143	output->array_size = G_SQ_CF_ALLOC_EXPORT_WORD1_BUF_ARRAY_SIZE(word1);
144	output->comp_mask = G_SQ_CF_ALLOC_EXPORT_WORD1_BUF_COMP_MASK(word1);
145}
146#endif
147
148int egcm_load_index_reg(struct r600_bytecode *bc, unsigned id, bool inside_alu_clause)
149{
150	struct r600_bytecode_alu alu;
151	int r;
152	unsigned type;
153
154	assert(id < 2);
155	assert(bc->chip_class >= EVERGREEN);
156
157	if (bc->index_loaded[id])
158		return 0;
159
160	memset(&alu, 0, sizeof(alu));
161	alu.op = ALU_OP1_MOVA_INT;
162	alu.src[0].sel = bc->index_reg[id];
163	alu.src[0].chan = 0;
164	if (bc->chip_class == CAYMAN)
165		alu.dst.sel = id == 0 ? CM_V_SQ_MOVA_DST_CF_IDX0 : CM_V_SQ_MOVA_DST_CF_IDX1;
166
167	alu.last = 1;
168	r = r600_bytecode_add_alu(bc, &alu);
169	if (r)
170		return r;
171
172	bc->ar_loaded = 0; /* clobbered */
173
174	if (bc->chip_class == EVERGREEN) {
175		memset(&alu, 0, sizeof(alu));
176		alu.op = id == 0 ? ALU_OP0_SET_CF_IDX0 : ALU_OP0_SET_CF_IDX1;
177		alu.last = 1;
178		r = r600_bytecode_add_alu(bc, &alu);
179		if (r)
180			return r;
181	}
182
183	/* Must split ALU group as index only applies to following group */
184	if (inside_alu_clause) {
185		type = bc->cf_last->op;
186		if ((r = r600_bytecode_add_cf(bc))) {
187			return r;
188		}
189		bc->cf_last->op = type;
190	}
191
192	bc->index_loaded[id] = 1;
193
194	return 0;
195}
196
197int eg_bytecode_gds_build(struct r600_bytecode *bc, struct r600_bytecode_gds *gds, unsigned id)
198{
199	unsigned opcode = r600_isa_fetch_opcode(bc->isa->hw_class, gds->op) >> 8;
200	bc->bytecode[id++] = S_SQ_MEM_GDS_WORD0_MEM_INST(2) |
201		S_SQ_MEM_GDS_WORD0_MEM_OP(opcode) |
202		S_SQ_MEM_GDS_WORD0_SRC_GPR(gds->src_gpr) |
203		S_SQ_MEM_GDS_WORD0_SRC_REL(gds->src_rel) |
204		S_SQ_MEM_GDS_WORD0_SRC_SEL_X(gds->src_sel_x) |
205		S_SQ_MEM_GDS_WORD0_SRC_SEL_Y(gds->src_sel_y) |
206		S_SQ_MEM_GDS_WORD0_SRC_SEL_Z(gds->src_sel_z);
207
208	bc->bytecode[id++] = S_SQ_MEM_GDS_WORD1_DST_GPR(gds->dst_gpr) |
209		S_SQ_MEM_GDS_WORD1_DST_REL(gds->dst_rel) |
210		S_SQ_MEM_GDS_WORD1_GDS_OP(gds->gds_op) |
211		S_SQ_MEM_GDS_WORD1_SRC_GPR(gds->src_gpr2);
212
213	bc->bytecode[id++] = S_SQ_MEM_GDS_WORD2_DST_SEL_X(gds->dst_sel_x) |
214		S_SQ_MEM_GDS_WORD2_DST_SEL_Y(gds->dst_sel_y) |
215		S_SQ_MEM_GDS_WORD2_DST_SEL_Z(gds->dst_sel_z) |
216		S_SQ_MEM_GDS_WORD2_DST_SEL_W(gds->dst_sel_w);
217	return 0;
218}
219
220int eg_bytecode_alu_build(struct r600_bytecode *bc, struct r600_bytecode_alu *alu, unsigned id)
221{
222	if (alu->is_lds_idx_op) {
223		assert(!alu->src[0].abs && !alu->src[1].abs && !alu->src[2].abs);
224		assert(!alu->src[0].neg && !alu->src[1].neg && !alu->src[2].neg);
225		bc->bytecode[id++] = S_SQ_ALU_WORD0_SRC0_SEL(alu->src[0].sel) |
226			S_SQ_ALU_WORD0_SRC0_REL(alu->src[0].rel) |
227			S_SQ_ALU_WORD0_SRC0_CHAN(alu->src[0].chan) |
228			S_SQ_ALU_WORD0_LDS_IDX_OP_IDX_OFFSET_4(alu->lds_idx >> 4) |
229			S_SQ_ALU_WORD0_SRC1_SEL(alu->src[1].sel) |
230			S_SQ_ALU_WORD0_SRC1_REL(alu->src[1].rel) |
231			S_SQ_ALU_WORD0_SRC1_CHAN(alu->src[1].chan) |
232			S_SQ_ALU_WORD0_LDS_IDX_OP_IDX_OFFSET_5(alu->lds_idx >> 5) |
233			S_SQ_ALU_WORD0_INDEX_MODE(alu->index_mode) |
234			S_SQ_ALU_WORD0_PRED_SEL(alu->pred_sel) |
235			S_SQ_ALU_WORD0_LAST(alu->last);
236	} else {
237		bc->bytecode[id++] = S_SQ_ALU_WORD0_SRC0_SEL(alu->src[0].sel) |
238			S_SQ_ALU_WORD0_SRC0_REL(alu->src[0].rel) |
239			S_SQ_ALU_WORD0_SRC0_CHAN(alu->src[0].chan) |
240			S_SQ_ALU_WORD0_SRC0_NEG(alu->src[0].neg) |
241			S_SQ_ALU_WORD0_SRC1_SEL(alu->src[1].sel) |
242			S_SQ_ALU_WORD0_SRC1_REL(alu->src[1].rel) |
243			S_SQ_ALU_WORD0_SRC1_CHAN(alu->src[1].chan) |
244			S_SQ_ALU_WORD0_SRC1_NEG(alu->src[1].neg) |
245			S_SQ_ALU_WORD0_PRED_SEL(alu->pred_sel) |
246			S_SQ_ALU_WORD0_LAST(alu->last);
247	}
248
249	/* don't replace gpr by pv or ps for destination register */
250	if (alu->is_lds_idx_op) {
251		unsigned lds_op = r600_isa_alu_opcode(bc->isa->hw_class, alu->op);
252		bc->bytecode[id++] =
253			S_SQ_ALU_WORD1_OP3_SRC2_SEL(alu->src[2].sel) |
254			S_SQ_ALU_WORD1_OP3_SRC2_REL(alu->src[2].rel) |
255			S_SQ_ALU_WORD1_OP3_SRC2_CHAN(alu->src[2].chan) |
256			S_SQ_ALU_WORD1_LDS_IDX_OP_IDX_OFFSET_1(alu->lds_idx >> 1) |
257
258			S_SQ_ALU_WORD1_OP3_ALU_INST(lds_op & 0xff) |
259			S_SQ_ALU_WORD1_BANK_SWIZZLE(alu->bank_swizzle) |
260			S_SQ_ALU_WORD1_LDS_IDX_OP_LDS_OP((lds_op >> 8) & 0xff) |
261			S_SQ_ALU_WORD1_LDS_IDX_OP_IDX_OFFSET_0(alu->lds_idx) |
262			S_SQ_ALU_WORD1_LDS_IDX_OP_IDX_OFFSET_2(alu->lds_idx >> 2) |
263			S_SQ_ALU_WORD1_DST_CHAN(alu->dst.chan) |
264			S_SQ_ALU_WORD1_LDS_IDX_OP_IDX_OFFSET_3(alu->lds_idx >> 3);
265
266	} else if (alu->is_op3) {
267		assert(!alu->src[0].abs && !alu->src[1].abs && !alu->src[2].abs);
268		bc->bytecode[id++] = S_SQ_ALU_WORD1_DST_GPR(alu->dst.sel) |
269					S_SQ_ALU_WORD1_DST_CHAN(alu->dst.chan) |
270			                S_SQ_ALU_WORD1_DST_REL(alu->dst.rel) |
271			                S_SQ_ALU_WORD1_CLAMP(alu->dst.clamp) |
272					S_SQ_ALU_WORD1_OP3_SRC2_SEL(alu->src[2].sel) |
273					S_SQ_ALU_WORD1_OP3_SRC2_REL(alu->src[2].rel) |
274					S_SQ_ALU_WORD1_OP3_SRC2_CHAN(alu->src[2].chan) |
275					S_SQ_ALU_WORD1_OP3_SRC2_NEG(alu->src[2].neg) |
276					S_SQ_ALU_WORD1_OP3_ALU_INST(r600_isa_alu_opcode(bc->isa->hw_class, alu->op)) |
277					S_SQ_ALU_WORD1_BANK_SWIZZLE(alu->bank_swizzle);
278	} else {
279		bc->bytecode[id++] = S_SQ_ALU_WORD1_DST_GPR(alu->dst.sel) |
280					S_SQ_ALU_WORD1_DST_CHAN(alu->dst.chan) |
281			                S_SQ_ALU_WORD1_DST_REL(alu->dst.rel) |
282			                S_SQ_ALU_WORD1_CLAMP(alu->dst.clamp) |
283					S_SQ_ALU_WORD1_OP2_SRC0_ABS(alu->src[0].abs) |
284					S_SQ_ALU_WORD1_OP2_SRC1_ABS(alu->src[1].abs) |
285					S_SQ_ALU_WORD1_OP2_WRITE_MASK(alu->dst.write) |
286					S_SQ_ALU_WORD1_OP2_OMOD(alu->omod) |
287					S_SQ_ALU_WORD1_OP2_ALU_INST(r600_isa_alu_opcode(bc->isa->hw_class, alu->op)) |
288					S_SQ_ALU_WORD1_BANK_SWIZZLE(alu->bank_swizzle) |
289			                S_SQ_ALU_WORD1_OP2_UPDATE_EXECUTE_MASK(alu->execute_mask) |
290			                S_SQ_ALU_WORD1_OP2_UPDATE_PRED(alu->update_pred);
291	}
292	return 0;
293}
294