--- /dev/null
+/*
+ * Copyright (c) 2013 Rob Clark <robdclark@gmail.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#ifndef INSTR_A3XX_H_
+#define INSTR_A3XX_H_
+
+#define PACKED __attribute__((__packed__))
+
+#include <stdint.h>
+#include <assert.h>
+
+typedef enum {
+ /* category 0: */
+ OPC_NOP = 0,
+ OPC_BR = 1,
+ OPC_JUMP = 2,
+ OPC_CALL = 3,
+ OPC_RET = 4,
+ OPC_KILL = 5,
+ OPC_END = 6,
+ OPC_EMIT = 7,
+ OPC_CUT = 8,
+ OPC_CHMASK = 9,
+ OPC_CHSH = 10,
+ OPC_FLOW_REV = 11,
+
+ /* category 1: */
+ /* no opc.. all category 1 are variants of mov */
+
+ /* category 2: */
+ OPC_ADD_F = 0,
+ OPC_MIN_F = 1,
+ OPC_MAX_F = 2,
+ OPC_MUL_F = 3,
+ OPC_SIGN_F = 4,
+ OPC_CMPS_F = 5,
+ OPC_ABSNEG_F = 6,
+ OPC_CMPV_F = 7,
+ /* 8 - invalid */
+ OPC_FLOOR_F = 9,
+ OPC_CEIL_F = 10,
+ OPC_RNDNE_F = 11,
+ OPC_RNDAZ_F = 12,
+ OPC_TRUNC_F = 13,
+ /* 14-15 - invalid */
+ OPC_ADD_U = 16,
+ OPC_ADD_S = 17,
+ OPC_SUB_U = 18,
+ OPC_SUB_S = 19,
+ OPC_CMPS_U = 20,
+ OPC_CMPS_S = 21,
+ OPC_MIN_U = 22,
+ OPC_MIN_S = 23,
+ OPC_MAX_U = 24,
+ OPC_MAX_S = 25,
+ OPC_ABSNEG_S = 26,
+ /* 27 - invalid */
+ OPC_AND_B = 28,
+ OPC_OR_B = 29,
+ OPC_NOT_B = 30,
+ OPC_XOR_B = 31,
+ /* 32 - invalid */
+ OPC_CMPV_U = 33,
+ OPC_CMPV_S = 34,
+ /* 35-47 - invalid */
+ OPC_MUL_U = 48,
+ OPC_MUL_S = 49,
+ OPC_MULL_U = 50,
+ OPC_BFREV_B = 51,
+ OPC_CLZ_S = 52,
+ OPC_CLZ_B = 53,
+ OPC_SHL_B = 54,
+ OPC_SHR_B = 55,
+ OPC_ASHR_B = 56,
+ OPC_BARY_F = 57,
+ OPC_MGEN_B = 58,
+ OPC_GETBIT_B = 59,
+ OPC_SETRM = 60,
+ OPC_CBITS_B = 61,
+ OPC_SHB = 62,
+ OPC_MSAD = 63,
+
+ /* category 3: */
+ OPC_MAD_U16 = 0,
+ OPC_MADSH_U16 = 1,
+ OPC_MAD_S16 = 2,
+ OPC_MADSH_M16 = 3, /* should this be .s16? */
+ OPC_MAD_U24 = 4,
+ OPC_MAD_S24 = 5,
+ OPC_MAD_F16 = 6,
+ OPC_MAD_F32 = 7,
+ OPC_SEL_B16 = 8,
+ OPC_SEL_B32 = 9,
+ OPC_SEL_S16 = 10,
+ OPC_SEL_S32 = 11,
+ OPC_SEL_F16 = 12,
+ OPC_SEL_F32 = 13,
+ OPC_SAD_S16 = 14,
+ OPC_SAD_S32 = 15,
+
+ /* category 4: */
+ OPC_RCP = 0,
+ OPC_RSQ = 1,
+ OPC_LOG2 = 2,
+ OPC_EXP2 = 3,
+ OPC_SIN = 4,
+ OPC_COS = 5,
+ OPC_SQRT = 6,
+ // 7-63 - invalid
+
+ /* category 5: */
+ OPC_ISAM = 0,
+ OPC_ISAML = 1,
+ OPC_ISAMM = 2,
+ OPC_SAM = 3,
+ OPC_SAMB = 4,
+ OPC_SAML = 5,
+ OPC_SAMGQ = 6,
+ OPC_GETLOD = 7,
+ OPC_CONV = 8,
+ OPC_CONVM = 9,
+ OPC_GETSIZE = 10,
+ OPC_GETBUF = 11,
+ OPC_GETPOS = 12,
+ OPC_GETINFO = 13,
+ OPC_DSX = 14,
+ OPC_DSY = 15,
+ OPC_GATHER4R = 16,
+ OPC_GATHER4G = 17,
+ OPC_GATHER4B = 18,
+ OPC_GATHER4A = 19,
+ OPC_SAMGP0 = 20,
+ OPC_SAMGP1 = 21,
+ OPC_SAMGP2 = 22,
+ OPC_SAMGP3 = 23,
+ OPC_DSXPP_1 = 24,
+ OPC_DSYPP_1 = 25,
+ OPC_RGETPOS = 26,
+ OPC_RGETINFO = 27,
+
+ /* category 6: */
+ OPC_LDG = 0, /* load-global */
+ OPC_LDL = 1,
+ OPC_LDP = 2,
+ OPC_STG = 3, /* store-global */
+ OPC_STL = 4,
+ OPC_STP = 5,
+ OPC_STI = 6,
+ OPC_G2L = 7,
+ OPC_L2G = 8,
+ OPC_PREFETCH = 9,
+ OPC_LDLW = 10,
+ OPC_STLW = 11,
+ OPC_RESFMT = 14,
+ OPC_RESINFO = 15,
+ OPC_ATOMIC_ADD_L = 16,
+ OPC_ATOMIC_SUB_L = 17,
+ OPC_ATOMIC_XCHG_L = 18,
+ OPC_ATOMIC_INC_L = 19,
+ OPC_ATOMIC_DEC_L = 20,
+ OPC_ATOMIC_CMPXCHG_L = 21,
+ OPC_ATOMIC_MIN_L = 22,
+ OPC_ATOMIC_MAX_L = 23,
+ OPC_ATOMIC_AND_L = 24,
+ OPC_ATOMIC_OR_L = 25,
+ OPC_ATOMIC_XOR_L = 26,
+ OPC_LDGB_TYPED_4D = 27,
+ OPC_STGB_4D_4 = 28,
+ OPC_STIB = 29,
+ OPC_LDC_4 = 30,
+ OPC_LDLV = 31,
+
+} opc_t;
+
+typedef enum {
+ TYPE_F16 = 0,
+ TYPE_F32 = 1,
+ TYPE_U16 = 2,
+ TYPE_U32 = 3,
+ TYPE_S16 = 4,
+ TYPE_S32 = 5,
+ TYPE_U8 = 6,
+ TYPE_S8 = 7, // XXX I assume?
+} type_t;
+
+static inline uint32_t type_size(type_t type)
+{
+ switch (type) {
+ case TYPE_F32:
+ case TYPE_U32:
+ case TYPE_S32:
+ return 32;
+ case TYPE_F16:
+ case TYPE_U16:
+ case TYPE_S16:
+ return 16;
+ case TYPE_U8:
+ case TYPE_S8:
+ return 8;
+ default:
+ assert(0); /* invalid type */
+ return 0;
+ }
+}
+
+static inline int type_float(type_t type)
+{
+ return (type == TYPE_F32) || (type == TYPE_F16);
+}
+
+typedef union PACKED {
+ /* normal gpr or const src register: */
+ struct PACKED {
+ uint32_t comp : 2;
+ uint32_t num : 9;
+ };
+ /* for immediate val: */
+ int32_t iim_val : 11;
+ /* to make compiler happy: */
+ uint32_t dummy32;
+ uint32_t dummy11 : 11;
+ uint32_t dummy8 : 8;
+} reg_t;
+
+/* special registers: */
+#define REG_A0 61 /* address register */
+#define REG_P0 62 /* predicate register */
+
+static inline int reg_special(reg_t reg)
+{
+ return (reg.num == REG_A0) || (reg.num == REG_P0);
+}
+
+typedef struct PACKED {
+ /* dword0: */
+ int16_t immed : 16;
+ uint32_t dummy1 : 16;
+
+ /* dword1: */
+ uint32_t dummy2 : 8;
+ uint32_t repeat : 3;
+ uint32_t dummy3 : 1;
+ uint32_t ss : 1;
+ uint32_t dummy4 : 7;
+ uint32_t inv : 1;
+ uint32_t comp : 2;
+ uint32_t opc : 4;
+ uint32_t jmp_tgt : 1;
+ uint32_t sync : 1;
+ uint32_t opc_cat : 3;
+} instr_cat0_t;
+
+typedef struct PACKED {
+ /* dword0: */
+ union PACKED {
+ /* for normal src register: */
+ struct PACKED {
+ uint32_t src : 11;
+ uint32_t pad : 21;
+ };
+ /* for address relative: */
+ struct PACKED {
+ int32_t off : 10;
+ uint32_t must_be_3 : 2;
+ uint32_t unknown : 20;
+ };
+ /* for immediate: */
+ int32_t iim_val;
+ float fim_val;
+ };
+
+ /* dword1: */
+ uint32_t dst : 8;
+ uint32_t repeat : 3;
+ uint32_t src_r : 1;
+ uint32_t ss : 1;
+ uint32_t src_rel : 1;
+ uint32_t dst_type : 3;
+ uint32_t dst_rel : 1;
+ uint32_t src_type : 3;
+ uint32_t src_c : 1;
+ uint32_t src_im : 1;
+ uint32_t even : 1;
+ uint32_t pos_inf : 1;
+ uint32_t must_be_0 : 2;
+ uint32_t jmp_tgt : 1;
+ uint32_t sync : 1;
+ uint32_t opc_cat : 3;
+} instr_cat1_t;
+
+typedef struct PACKED {
+ /* dword0: */
+ uint32_t src1 : 11;
+ uint32_t src1_rel : 1; /* relative address */
+ uint32_t src1_c : 1; /* const */
+ uint32_t src1_im : 1; /* immediate */
+ uint32_t src1_neg : 1; /* negate */
+ uint32_t src1_abs : 1; /* absolute value */
+
+ uint32_t src2 : 11;
+ uint32_t src2_rel : 1; /* relative address */
+ uint32_t src2_c : 1; /* const */
+ uint32_t src2_im : 1; /* immediate */
+ uint32_t src2_neg : 1; /* negate */
+ uint32_t src2_abs : 1; /* absolute value */
+
+ /* dword1: */
+ uint32_t dst : 8;
+ uint32_t repeat : 3;
+ uint32_t src1_r : 1;
+ uint32_t ss : 1;
+ uint32_t ul : 1; /* dunno */
+ uint32_t dst_half : 1; /* or widen/narrow.. ie. dst hrN <-> rN */
+ uint32_t ei : 1;
+ uint32_t cond : 3;
+ uint32_t src2_r : 1;
+ uint32_t full : 1; /* not half */
+ uint32_t opc : 6;
+ uint32_t jmp_tgt : 1;
+ uint32_t sync : 1;
+ uint32_t opc_cat : 3;
+} instr_cat2_t;
+
+typedef struct PACKED {
+ /* dword0: */
+ uint32_t src1 : 11;
+ uint32_t src1_rel : 1;
+ uint32_t src1_c : 1;
+ uint32_t src2_c : 1;
+ uint32_t src1_neg : 1;
+ uint32_t src2_r : 1;
+ uint32_t src3 : 11;
+ uint32_t src3_rel : 1;
+ uint32_t src3_c : 1;
+ uint32_t src3_r : 1;
+ uint32_t src2_neg : 1;
+ uint32_t src3_neg : 1;
+
+ /* dword1: */
+ uint32_t dst : 8;
+ uint32_t repeat : 3;
+ uint32_t src1_r : 1;
+ uint32_t ss : 1;
+ uint32_t ul : 1;
+ uint32_t dst_half : 1; /* or widen/narrow.. ie. dst hrN <-> rN */
+ uint32_t src2 : 8;
+ uint32_t opc : 4;
+ uint32_t jmp_tgt : 1;
+ uint32_t sync : 1;
+ uint32_t opc_cat : 3;
+} instr_cat3_t;
+
+typedef struct PACKED {
+ /* dword0: */
+ uint32_t src : 11;
+ uint32_t src_rel : 1;
+ uint32_t src_c : 1;
+ uint32_t src_im : 1;
+ uint32_t src_neg : 1;
+ uint32_t src_abs : 1;
+ uint32_t dummy1 : 16; /* seem to be ignored */
+
+ /* dword1: */
+ uint32_t dst : 8;
+ uint32_t repeat : 3;
+ uint32_t src_r : 1;
+ uint32_t ss : 1;
+ uint32_t ul : 1;
+ uint32_t dst_half : 1; /* or widen/narrow.. ie. dst hrN <-> rN */
+ uint32_t dummy2 : 5; /* seem to be ignored */
+ uint32_t full : 1; /* not half */
+ uint32_t opc : 6;
+ uint32_t jmp_tgt : 1;
+ uint32_t sync : 1;
+ uint32_t opc_cat : 3;
+} instr_cat4_t;
+
+typedef struct PACKED {
+ /* dword0: */
+ union PACKED {
+ /* normal case: */
+ struct PACKED {
+ uint32_t full : 1; /* not half */
+ uint32_t src1 : 8;
+ uint32_t src2 : 8;
+ uint32_t dummy1 : 4; /* seem to be ignored */
+ uint32_t samp : 4;
+ uint32_t tex : 7;
+ } norm;
+ /* s2en case: */
+ struct PACKED {
+ uint32_t full : 1; /* not half */
+ uint32_t src1 : 8;
+ uint32_t src2 : 11;
+ uint32_t dummy1 : 1;
+ uint32_t src3 : 8;
+ uint32_t dummy2 : 3;
+ } s2en;
+ /* same in either case: */
+ // XXX I think, confirm this
+ struct PACKED {
+ uint32_t full : 1; /* not half */
+ uint32_t src1 : 8;
+ uint32_t pad : 23;
+ };
+ };
+
+ /* dword1: */
+ uint32_t dst : 8;
+ uint32_t wrmask : 4; /* write-mask */
+ uint32_t type : 3;
+ uint32_t dummy2 : 1; /* seems to be ignored */
+ uint32_t is_3d : 1;
+
+ uint32_t is_a : 1;
+ uint32_t is_s : 1;
+ uint32_t is_s2en : 1;
+ uint32_t is_o : 1;
+ uint32_t is_p : 1;
+
+ uint32_t opc : 5;
+ uint32_t jmp_tgt : 1;
+ uint32_t sync : 1;
+ uint32_t opc_cat : 3;
+} instr_cat5_t;
+
+/* used for load instructions: */
+typedef struct PACKED {
+ /* dword0: */
+ uint32_t must_be_one1 : 1;
+ int16_t off : 13;
+ uint32_t src : 8;
+ uint32_t dummy1 : 1;
+ uint32_t must_be_one2 : 1;
+ int32_t iim_val : 8;
+
+ /* dword1: */
+ uint32_t dst : 8;
+ uint32_t dummy2 : 9;
+ uint32_t type : 3;
+ uint32_t dummy3 : 2;
+ uint32_t opc : 5;
+ uint32_t jmp_tgt : 1;
+ uint32_t sync : 1;
+ uint32_t opc_cat : 3;
+} instr_cat6a_t;
+
+/* used for store instructions: */
+typedef struct PACKED {
+ /* dword0: */
+ uint32_t must_be_zero1 : 1;
+ uint32_t src : 8;
+ uint32_t off_hi : 5; /* high bits of 'off'... ugly! */
+ uint32_t dummy1 : 9;
+ uint32_t must_be_one1 : 1;
+ int32_t iim_val : 8;
+
+ /* dword1: */
+ uint16_t off : 8;
+ uint32_t must_be_one2 : 1;
+ uint32_t dst : 8;
+ uint32_t type : 3;
+ uint32_t dummy2 : 2;
+ uint32_t opc : 5;
+ uint32_t jmp_tgt : 1;
+ uint32_t sync : 1;
+ uint32_t opc_cat : 3;
+} instr_cat6b_t;
+
+typedef union PACKED {
+ instr_cat6a_t a;
+ instr_cat6b_t b;
+ struct PACKED {
+ /* dword0: */
+ uint32_t pad1 : 24;
+ int32_t iim_val : 8;
+
+ /* dword1: */
+ uint32_t pad2 : 17;
+ uint32_t type : 3;
+ uint32_t pad3 : 2;
+ uint32_t opc : 5;
+ uint32_t jmp_tgt : 1;
+ uint32_t sync : 1;
+ uint32_t opc_cat : 3;
+ };
+} instr_cat6_t;
+
+typedef union PACKED {
+ instr_cat0_t cat0;
+ instr_cat1_t cat1;
+ instr_cat2_t cat2;
+ instr_cat3_t cat3;
+ instr_cat4_t cat4;
+ instr_cat5_t cat5;
+ instr_cat6_t cat6;
+ struct PACKED {
+ /* dword0: */
+ uint64_t pad1 : 40;
+ uint32_t repeat : 3; /* cat0-cat4 */
+ uint32_t pad2 : 1;
+ uint32_t ss : 1; /* cat1-cat4 (cat0??) */
+ uint32_t ul : 1; /* cat2-cat4 (and cat1 in blob.. which may be bug??) */
+ uint32_t pad3 : 13;
+ uint32_t jmp_tgt : 1;
+ uint32_t sync : 1;
+ uint32_t opc_cat : 3;
+
+ };
+} instr_t;
+
+#endif /* INSTR_A3XX_H_ */
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