src/gallium/drivers/r600/r700_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_asm.h"
  24 #include "r700_sq.h"
  25
  26 void r700_bytecode_cf_vtx_build(uint32_t *bytecode, const struct r600_bytecode_cf *cf)
  27 {
  28         unsigned count = (cf->ndw / 4) - 1;
  29         *bytecode++ = S_SQ_CF_WORD0_ADDR(cf->addr >> 1);
  30         *bytecode++ = S_SQ_CF_WORD1_CF_INST(r600_isa_cf_opcode(ISA_CC_R700, cf->op)) |
  31                         S_SQ_CF_WORD1_BARRIER(1) |
  32                         S_SQ_CF_WORD1_COUNT(count) |
  33                         S_SQ_CF_WORD1_COUNT_3(count >> 3);
  34 }
  35
  36 int r700_bytecode_alu_build(struct r600_bytecode *bc, struct r600_bytecode_alu *alu, unsigned id)
  37 {
  38         bc->bytecode[id++] = S_SQ_ALU_WORD0_SRC0_SEL(alu->src[0].sel) |
  39                 S_SQ_ALU_WORD0_SRC0_REL(alu->src[0].rel) |
  40                 S_SQ_ALU_WORD0_SRC0_CHAN(alu->src[0].chan) |
  41                 S_SQ_ALU_WORD0_SRC0_NEG(alu->src[0].neg) |
  42                 S_SQ_ALU_WORD0_SRC1_SEL(alu->src[1].sel) |
  43                 S_SQ_ALU_WORD0_SRC1_REL(alu->src[1].rel) |
  44                 S_SQ_ALU_WORD0_SRC1_CHAN(alu->src[1].chan) |
  45                 S_SQ_ALU_WORD0_SRC1_NEG(alu->src[1].neg) |
  46                 S_SQ_ALU_WORD0_PRED_SEL(alu->pred_sel) |
  47                 S_SQ_ALU_WORD0_LAST(alu->last);
  48
  49         /* don't replace gpr by pv or ps for destination register */
  50         if (alu->is_op3) {
  51                 assert(!alu->src[0].abs && !alu->src[1].abs && !alu->src[2].abs);
  52                 bc->bytecode[id++] = S_SQ_ALU_WORD1_DST_GPR(alu->dst.sel) |
  53                                         S_SQ_ALU_WORD1_DST_CHAN(alu->dst.chan) |
  54                                         S_SQ_ALU_WORD1_DST_REL(alu->dst.rel) |
  55                                         S_SQ_ALU_WORD1_CLAMP(alu->dst.clamp) |
  56                                         S_SQ_ALU_WORD1_OP3_SRC2_SEL(alu->src[2].sel) |
  57                                         S_SQ_ALU_WORD1_OP3_SRC2_REL(alu->src[2].rel) |
  58                                         S_SQ_ALU_WORD1_OP3_SRC2_CHAN(alu->src[2].chan) |
  59                                         S_SQ_ALU_WORD1_OP3_SRC2_NEG(alu->src[2].neg) |
  60                                         S_SQ_ALU_WORD1_OP3_ALU_INST(r600_isa_alu_opcode(bc->isa->hw_class, alu->op)) |
  61                                         S_SQ_ALU_WORD1_BANK_SWIZZLE(alu->bank_swizzle);
  62         } else {
  63                 bc->bytecode[id++] = S_SQ_ALU_WORD1_DST_GPR(alu->dst.sel) |
  64                                         S_SQ_ALU_WORD1_DST_CHAN(alu->dst.chan) |
  65                                         S_SQ_ALU_WORD1_DST_REL(alu->dst.rel) |
  66                                         S_SQ_ALU_WORD1_CLAMP(alu->dst.clamp) |
  67                                         S_SQ_ALU_WORD1_OP2_SRC0_ABS(alu->src[0].abs) |
  68                                         S_SQ_ALU_WORD1_OP2_SRC1_ABS(alu->src[1].abs) |
  69                                         S_SQ_ALU_WORD1_OP2_WRITE_MASK(alu->dst.write) |
  70                                         S_SQ_ALU_WORD1_OP2_OMOD(alu->omod) |
  71                                         S_SQ_ALU_WORD1_OP2_ALU_INST(r600_isa_alu_opcode(bc->isa->hw_class, alu->op)) |
  72                                         S_SQ_ALU_WORD1_BANK_SWIZZLE(alu->bank_swizzle) |
  73                                         S_SQ_ALU_WORD1_OP2_UPDATE_EXECUTE_MASK(alu->execute_mask) |
  74                                         S_SQ_ALU_WORD1_OP2_UPDATE_PRED(alu->update_pred);
  75         }
  76         return 0;
  77 }
  78
  79 void r700_bytecode_alu_read(struct r600_bytecode *bc,
  80                 struct r600_bytecode_alu *alu, uint32_t word0, uint32_t word1)
  81 {
  82         /* WORD0 */
  83         alu->src[0].sel = G_SQ_ALU_WORD0_SRC0_SEL(word0);
  84         alu->src[0].rel = G_SQ_ALU_WORD0_SRC0_REL(word0);
  85         alu->src[0].chan = G_SQ_ALU_WORD0_SRC0_CHAN(word0);
  86         alu->src[0].neg = G_SQ_ALU_WORD0_SRC0_NEG(word0);
  87         alu->src[1].sel = G_SQ_ALU_WORD0_SRC1_SEL(word0);
  88         alu->src[1].rel = G_SQ_ALU_WORD0_SRC1_REL(word0);
  89         alu->src[1].chan = G_SQ_ALU_WORD0_SRC1_CHAN(word0);
  90         alu->src[1].neg = G_SQ_ALU_WORD0_SRC1_NEG(word0);
  91         alu->index_mode = G_SQ_ALU_WORD0_INDEX_MODE(word0);
  92         alu->pred_sel = G_SQ_ALU_WORD0_PRED_SEL(word0);
  93         alu->last = G_SQ_ALU_WORD0_LAST(word0);
  94
  95         /* WORD1 */
  96         alu->bank_swizzle = G_SQ_ALU_WORD1_BANK_SWIZZLE(word1);
  97         if (alu->bank_swizzle)
  98                 alu->bank_swizzle_force = alu->bank_swizzle;
  99         alu->dst.sel = G_SQ_ALU_WORD1_DST_GPR(word1);
 100         alu->dst.rel = G_SQ_ALU_WORD1_DST_REL(word1);
 101         alu->dst.chan = G_SQ_ALU_WORD1_DST_CHAN(word1);
 102         alu->dst.clamp = G_SQ_ALU_WORD1_CLAMP(word1);
 103         if (G_SQ_ALU_WORD1_ENCODING(word1)) /*ALU_DWORD1_OP3*/
 104         {
 105                 alu->is_op3 = 1;
 106                 alu->src[2].sel = G_SQ_ALU_WORD1_OP3_SRC2_SEL(word1);
 107                 alu->src[2].rel = G_SQ_ALU_WORD1_OP3_SRC2_REL(word1);
 108                 alu->src[2].chan = G_SQ_ALU_WORD1_OP3_SRC2_CHAN(word1);
 109                 alu->src[2].neg = G_SQ_ALU_WORD1_OP3_SRC2_NEG(word1);
 110                 alu->op = r600_isa_alu_by_opcode(bc->isa,
 111                                 G_SQ_ALU_WORD1_OP3_ALU_INST(word1), 1);
 112         }
 113         else /*ALU_DWORD1_OP2*/
 114         {
 115                 alu->src[0].abs = G_SQ_ALU_WORD1_OP2_SRC0_ABS(word1);
 116                 alu->src[1].abs = G_SQ_ALU_WORD1_OP2_SRC1_ABS(word1);
 117                 alu->op = r600_isa_alu_by_opcode(bc->isa,
 118                                 G_SQ_ALU_WORD1_OP2_ALU_INST(word1), 0);
 119                 alu->omod = G_SQ_ALU_WORD1_OP2_OMOD(word1);
 120                 alu->dst.write = G_SQ_ALU_WORD1_OP2_WRITE_MASK(word1);
 121                 alu->update_pred = G_SQ_ALU_WORD1_OP2_UPDATE_PRED(word1);
 122                 alu->execute_mask =
 123                         G_SQ_ALU_WORD1_OP2_UPDATE_EXECUTE_MASK(word1);
 124         }
 125 }