src/gallium/drivers/r600/eg_asm.c

   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
  31 int 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(V_SQ_CF_INDEX_NONE) |
  47                                                 S_SQ_CF_ALU_WORD0_EXT_KCACHE_BANK_INDEX_MODE1(V_SQ_CF_INDEX_NONE) |
  48                                                 S_SQ_CF_ALU_WORD0_EXT_KCACHE_BANK_INDEX_MODE2(V_SQ_CF_INDEX_NONE) |
  49                                                 S_SQ_CF_ALU_WORD0_EXT_KCACHE_BANK_INDEX_MODE3(V_SQ_CF_INDEX_NONE) |
  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_END_OF_PROGRAM(cf->end_of_program);
 119                 }
 120         }
 121         return 0;
 122 }
 123
 124 #if 0
 125 void eg_bytecode_export_read(struct r600_bytecode *bc,
 126                 struct r600_bytecode_output *output, uint32_t word0, uint32_t word1)
 127 {
 128         output->array_base = G_SQ_CF_ALLOC_EXPORT_WORD0_ARRAY_BASE(word0);
 129         output->type = G_SQ_CF_ALLOC_EXPORT_WORD0_TYPE(word0);
 130         output->gpr = G_SQ_CF_ALLOC_EXPORT_WORD0_RW_GPR(word0);
 131         output->elem_size = G_SQ_CF_ALLOC_EXPORT_WORD0_ELEM_SIZE(word0);
 132
 133         output->swizzle_x = G_SQ_CF_ALLOC_EXPORT_WORD1_SWIZ_SEL_X(word1);
 134         output->swizzle_y = G_SQ_CF_ALLOC_EXPORT_WORD1_SWIZ_SEL_Y(word1);
 135         output->swizzle_z = G_SQ_CF_ALLOC_EXPORT_WORD1_SWIZ_SEL_Z(word1);
 136         output->swizzle_w = G_SQ_CF_ALLOC_EXPORT_WORD1_SWIZ_SEL_W(word1);
 137         output->burst_count = G_SQ_CF_ALLOC_EXPORT_WORD1_BURST_COUNT(word1);
 138         output->end_of_program = G_SQ_CF_ALLOC_EXPORT_WORD1_END_OF_PROGRAM(word1);
 139         output->op = r600_isa_cf_by_opcode(bc->isa,
 140                         G_SQ_CF_ALLOC_EXPORT_WORD1_CF_INST(word1), /* is_cf_alu = */ 0 );
 141         output->barrier = G_SQ_CF_ALLOC_EXPORT_WORD1_BARRIER(word1);
 142         output->array_size = G_SQ_CF_ALLOC_EXPORT_WORD1_BUF_ARRAY_SIZE(word1);
 143         output->comp_mask = G_SQ_CF_ALLOC_EXPORT_WORD1_BUF_COMP_MASK(word1);
 144 }
 145 #endif