src/gallium/drivers/vc4/vc4_qpu.h

   1 /*
   2  * Copyright © 2014 Broadcom
   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 DEALINGS
  21  * IN THE SOFTWARE.
  22  */
  23
  24 #ifndef VC4_QPU_H
  25 #define VC4_QPU_H
  26
  27 #include <stdio.h>
  28 #include <stdint.h>
  29
  30 #include "util/u_math.h"
  31
  32 #include "vc4_qpu_defines.h"
  33
  34 struct vc4_compile;
  35
  36 struct qpu_reg {
  37         enum qpu_mux mux;
  38         uint8_t addr;
  39 };
  40
  41 static inline struct qpu_reg
  42 qpu_rn(int n)
  43 {
  44         struct qpu_reg r = {
  45                 QPU_MUX_R0 + n,
  46                 0,
  47         };
  48
  49         return r;
  50 }
  51
  52 static inline struct qpu_reg
  53 qpu_ra(int addr)
  54 {
  55         struct qpu_reg r = {
  56                 QPU_MUX_A,
  57                 addr,
  58         };
  59
  60         return r;
  61 }
  62
  63 static inline struct qpu_reg
  64 qpu_rb(int addr)
  65 {
  66         struct qpu_reg r = {
  67                 QPU_MUX_B,
  68                 addr,
  69         };
  70
  71         return r;
  72 }
  73
  74 static inline struct qpu_reg
  75 qpu_vary()
  76 {
  77         struct qpu_reg r = {
  78                 QPU_MUX_A,
  79                 QPU_R_VARY,
  80         };
  81
  82         return r;
  83 }
  84
  85 static inline struct qpu_reg
  86 qpu_unif()
  87 {
  88         struct qpu_reg r = {
  89                 QPU_MUX_A,
  90                 QPU_R_UNIF,
  91         };
  92
  93         return r;
  94 }
  95
  96 static inline struct qpu_reg
  97 qpu_vrsetup()
  98 {
  99         return qpu_ra(QPU_W_VPMVCD_SETUP);
 100 }
 101
 102 static inline struct qpu_reg
 103 qpu_vwsetup()
 104 {
 105         return qpu_rb(QPU_W_VPMVCD_SETUP);
 106 }
 107
 108 static inline struct qpu_reg
 109 qpu_tlbc()
 110 {
 111         struct qpu_reg r = {
 112                 QPU_MUX_A,
 113                 QPU_W_TLB_COLOR_ALL,
 114         };
 115
 116         return r;
 117 }
 118
 119 static inline struct qpu_reg qpu_r0(void) { return qpu_rn(0); }
 120 static inline struct qpu_reg qpu_r1(void) { return qpu_rn(1); }
 121 static inline struct qpu_reg qpu_r2(void) { return qpu_rn(2); }
 122 static inline struct qpu_reg qpu_r3(void) { return qpu_rn(3); }
 123 static inline struct qpu_reg qpu_r4(void) { return qpu_rn(4); }
 124 static inline struct qpu_reg qpu_r5(void) { return qpu_rn(5); }
 125
 126 uint64_t qpu_NOP(void) ATTRIBUTE_CONST;
 127 uint64_t qpu_a_MOV(struct qpu_reg dst, struct qpu_reg src) ATTRIBUTE_CONST;
 128 uint64_t qpu_m_MOV(struct qpu_reg dst, struct qpu_reg src) ATTRIBUTE_CONST;
 129 uint64_t qpu_a_alu2(enum qpu_op_add op, struct qpu_reg dst,
 130                     struct qpu_reg src0, struct qpu_reg src1) ATTRIBUTE_CONST;
 131 uint64_t qpu_m_alu2(enum qpu_op_mul op, struct qpu_reg dst,
 132                     struct qpu_reg src0, struct qpu_reg src1) ATTRIBUTE_CONST;
 133 uint64_t qpu_merge_inst(uint64_t a, uint64_t b) ATTRIBUTE_CONST;
 134 uint64_t qpu_load_imm_ui(struct qpu_reg dst, uint32_t val) ATTRIBUTE_CONST;
 135 uint64_t qpu_set_sig(uint64_t inst, uint32_t sig) ATTRIBUTE_CONST;
 136 uint64_t qpu_set_cond_add(uint64_t inst, uint32_t cond) ATTRIBUTE_CONST;
 137 uint64_t qpu_set_cond_mul(uint64_t inst, uint32_t cond) ATTRIBUTE_CONST;
 138 uint32_t qpu_encode_small_immediate(uint32_t i) ATTRIBUTE_CONST;
 139
 140 bool qpu_waddr_is_tlb(uint32_t waddr) ATTRIBUTE_CONST;
 141 bool qpu_inst_is_tlb(uint64_t inst) ATTRIBUTE_CONST;
 142 int qpu_num_sf_accesses(uint64_t inst) ATTRIBUTE_CONST;
 143 void qpu_serialize_one_inst(struct vc4_compile *c, uint64_t inst);
 144
 145 static inline uint64_t
 146 qpu_load_imm_f(struct qpu_reg dst, float val)
 147 {
 148         return qpu_load_imm_ui(dst, fui(val));
 149 }
 150
 151 #define A_ALU2(op)                                                       \
 152 static inline uint64_t                                                   \
 153 qpu_a_##op(struct qpu_reg dst, struct qpu_reg src0, struct qpu_reg src1) \
 154 {                                                                        \
 155         return qpu_a_alu2(QPU_A_##op, dst, src0, src1);                  \
 156 }
 157
 158 #define M_ALU2(op)                                                       \
 159 static inline uint64_t                                                   \
 160 qpu_m_##op(struct qpu_reg dst, struct qpu_reg src0, struct qpu_reg src1) \
 161 {                                                                        \
 162         return qpu_m_alu2(QPU_M_##op, dst, src0, src1);                  \
 163 }
 164
 165 #define A_ALU1(op)                                                       \
 166 static inline uint64_t                                                   \
 167 qpu_a_##op(struct qpu_reg dst, struct qpu_reg src0)                      \
 168 {                                                                        \
 169         return qpu_a_alu2(QPU_A_##op, dst, src0, src0);                  \
 170 }
 171
 172 /*A_ALU2(NOP) */
 173 A_ALU2(FADD)
 174 A_ALU2(FSUB)
 175 A_ALU2(FMIN)
 176 A_ALU2(FMAX)
 177 A_ALU2(FMINABS)
 178 A_ALU2(FMAXABS)
 179 A_ALU1(FTOI)
 180 A_ALU1(ITOF)
 181 A_ALU2(ADD)
 182 A_ALU2(SUB)
 183 A_ALU2(SHR)
 184 A_ALU2(ASR)
 185 A_ALU2(ROR)
 186 A_ALU2(SHL)
 187 A_ALU2(MIN)
 188 A_ALU2(MAX)
 189 A_ALU2(AND)
 190 A_ALU2(OR)
 191 A_ALU2(XOR)
 192 A_ALU1(NOT)
 193 A_ALU1(CLZ)
 194 A_ALU2(V8ADDS)
 195 A_ALU2(V8SUBS)
 196
 197 /* M_ALU2(NOP) */
 198 M_ALU2(FMUL)
 199 M_ALU2(MUL24)
 200 M_ALU2(V8MULD)
 201 M_ALU2(V8MIN)
 202 M_ALU2(V8MAX)
 203 M_ALU2(V8ADDS)
 204 M_ALU2(V8SUBS)
 205
 206 void
 207 vc4_qpu_disasm(const uint64_t *instructions, int num_instructions);
 208
 209 void
 210 vc4_qpu_disasm_pack_mul(FILE *out, uint32_t pack);
 211
 212 void
 213 vc4_qpu_disasm_pack_a(FILE *out, uint32_t pack);
 214
 215 void
 216 vc4_qpu_validate(uint64_t *insts, uint32_t num_inst);
 217
 218 #endif /* VC4_QPU_H */