eg_asm.c revision fa86fc564aea4e40c89f6fc889e6a5bf817634b3 
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 <stdio.h>
24#include <errno.h>
25#include "util/u_memory.h"
26#include "r600_pipe.h"
27#include "r600_asm.h"
28#include "eg_sq.h"
29#include "r600_opcodes.h"
30#include "evergreend.h"
31
32int eg_bc_cf_build(struct r600_bc *bc, struct r600_bc_cf *cf)
33{
34	unsigned id = cf->id;
35
36	switch (cf->inst) {
37	case (EG_V_SQ_CF_ALU_WORD1_SQ_CF_INST_ALU << 3):
38	case (EG_V_SQ_CF_ALU_WORD1_SQ_CF_INST_ALU_PUSH_BEFORE << 3):
39		bc->bytecode[id++] = S_SQ_CF_ALU_WORD0_ADDR(cf->addr >> 1) |
40			S_SQ_CF_ALU_WORD0_KCACHE_MODE0(cf->kcache0_mode) |
41			S_SQ_CF_ALU_WORD0_KCACHE_BANK0(cf->kcache0_bank) |
42			S_SQ_CF_ALU_WORD0_KCACHE_BANK1(cf->kcache1_bank);
43		bc->bytecode[id++] = S_SQ_CF_ALU_WORD1_CF_INST(cf->inst >> 3) |
44			S_SQ_CF_ALU_WORD1_KCACHE_MODE1(cf->kcache1_mode) |
45			S_SQ_CF_ALU_WORD1_KCACHE_ADDR0(cf->kcache0_addr) |
46			S_SQ_CF_ALU_WORD1_KCACHE_ADDR1(cf->kcache1_addr) |
47					S_SQ_CF_ALU_WORD1_BARRIER(1) |
48					S_SQ_CF_ALU_WORD1_COUNT((cf->ndw / 2) - 1);
49		break;
50	case EG_V_SQ_CF_WORD1_SQ_CF_INST_TEX:
51	case EG_V_SQ_CF_WORD1_SQ_CF_INST_VTX:
52		bc->bytecode[id++] = S_SQ_CF_WORD0_ADDR(cf->addr >> 1);
53		bc->bytecode[id++] = S_SQ_CF_WORD1_CF_INST(cf->inst) |
54					S_SQ_CF_WORD1_BARRIER(1) |
55					S_SQ_CF_WORD1_COUNT((cf->ndw / 4) - 1);
56		break;
57	case EG_V_SQ_CF_ALLOC_EXPORT_WORD1_SQ_CF_INST_EXPORT:
58	case EG_V_SQ_CF_ALLOC_EXPORT_WORD1_SQ_CF_INST_EXPORT_DONE:
59		bc->bytecode[id++] = S_SQ_CF_ALLOC_EXPORT_WORD0_RW_GPR(cf->output.gpr) |
60			S_SQ_CF_ALLOC_EXPORT_WORD0_ELEM_SIZE(cf->output.elem_size) |
61			S_SQ_CF_ALLOC_EXPORT_WORD0_ARRAY_BASE(cf->output.array_base) |
62			S_SQ_CF_ALLOC_EXPORT_WORD0_TYPE(cf->output.type);
63		bc->bytecode[id++] = S_SQ_CF_ALLOC_EXPORT_WORD1_SWIZ_SEL_X(cf->output.swizzle_x) |
64			S_SQ_CF_ALLOC_EXPORT_WORD1_SWIZ_SEL_Y(cf->output.swizzle_y) |
65			S_SQ_CF_ALLOC_EXPORT_WORD1_SWIZ_SEL_Z(cf->output.swizzle_z) |
66			S_SQ_CF_ALLOC_EXPORT_WORD1_SWIZ_SEL_W(cf->output.swizzle_w) |
67			S_SQ_CF_ALLOC_EXPORT_WORD1_BARRIER(cf->output.barrier) |
68			S_SQ_CF_ALLOC_EXPORT_WORD1_CF_INST(cf->output.inst) |
69			S_SQ_CF_ALLOC_EXPORT_WORD1_END_OF_PROGRAM(cf->output.end_of_program);
70		break;
71	case EG_V_SQ_CF_WORD1_SQ_CF_INST_JUMP:
72	case EG_V_SQ_CF_WORD1_SQ_CF_INST_ELSE:
73	case EG_V_SQ_CF_WORD1_SQ_CF_INST_POP:
74	case EG_V_SQ_CF_WORD1_SQ_CF_INST_LOOP_START_NO_AL:
75	case EG_V_SQ_CF_WORD1_SQ_CF_INST_LOOP_END:
76	case EG_V_SQ_CF_WORD1_SQ_CF_INST_LOOP_CONTINUE:
77	case EG_V_SQ_CF_WORD1_SQ_CF_INST_LOOP_BREAK:
78	case EG_V_SQ_CF_WORD1_SQ_CF_INST_CALL_FS:
79	case EG_V_SQ_CF_WORD1_SQ_CF_INST_RETURN:
80		bc->bytecode[id++] = S_SQ_CF_WORD0_ADDR(cf->cf_addr >> 1);
81		bc->bytecode[id++] = S_SQ_CF_WORD1_CF_INST(cf->inst) |
82					S_SQ_CF_WORD1_BARRIER(1) |
83					S_SQ_CF_WORD1_COND(cf->cond) |
84					S_SQ_CF_WORD1_POP_COUNT(cf->pop_count);
85
86		break;
87	default:
88		R600_ERR("unsupported CF instruction (0x%X)\n", cf->inst);
89		return -EINVAL;
90	}
91	return 0;
92}
93
94void eg_cf_vtx(struct r600_vertex_element *ve, u32 *bytecode, unsigned count)
95{
96	struct r600_pipe_state *rstate;
97	unsigned i = 0;
98
99	if (count > 8) {
100		bytecode[i++] = S_SQ_CF_WORD0_ADDR(8 >> 1);
101		bytecode[i++] = S_SQ_CF_WORD1_CF_INST(EG_V_SQ_CF_WORD1_SQ_CF_INST_VTX) |
102				S_SQ_CF_WORD1_BARRIER(1) |
103				S_SQ_CF_WORD1_COUNT(8 - 1);
104		bytecode[i++] = S_SQ_CF_WORD0_ADDR(40 >> 1);
105		bytecode[i++] = S_SQ_CF_WORD1_CF_INST(EG_V_SQ_CF_WORD1_SQ_CF_INST_VTX) |
106				S_SQ_CF_WORD1_BARRIER(1) |
107				S_SQ_CF_WORD1_COUNT(count - 8 - 1);
108	} else {
109		bytecode[i++] = S_SQ_CF_WORD0_ADDR(8 >> 1);
110		bytecode[i++] = S_SQ_CF_WORD1_CF_INST(EG_V_SQ_CF_WORD1_SQ_CF_INST_VTX) |
111				S_SQ_CF_WORD1_BARRIER(1) |
112				S_SQ_CF_WORD1_COUNT(count - 1);
113	}
114	bytecode[i++] = S_SQ_CF_WORD0_ADDR(0);
115	bytecode[i++] = S_SQ_CF_WORD1_CF_INST(EG_V_SQ_CF_WORD1_SQ_CF_INST_RETURN) |
116			S_SQ_CF_WORD1_BARRIER(1);
117
118	rstate = &ve->rstate;
119	rstate->id = R600_PIPE_STATE_FETCH_SHADER;
120	rstate->nregs = 0;
121	r600_pipe_state_add_reg(rstate, R_0288A8_SQ_PGM_RESOURCES_FS,
122				0x00000000, 0xFFFFFFFF, NULL);
123	r600_pipe_state_add_reg(rstate, R_0288A4_SQ_PGM_START_FS,
124				(r600_bo_offset(ve->fetch_shader)) >> 8,
125				0xFFFFFFFF, ve->fetch_shader);
126}
127