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+/*
+ * Copyright (c) 2012 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_A2XX_H_
+#define INSTR_A2XX_H_
+
+#define PACKED __attribute__((__packed__))
+
+
+/*
+ * ALU instructions:
+ */
+
+typedef enum {
+ ADDs = 0,
+ ADD_PREVs = 1,
+ MULs = 2,
+ MUL_PREVs = 3,
+ MUL_PREV2s = 4,
+ MAXs = 5,
+ MINs = 6,
+ SETEs = 7,
+ SETGTs = 8,
+ SETGTEs = 9,
+ SETNEs = 10,
+ FRACs = 11,
+ TRUNCs = 12,
+ FLOORs = 13,
+ EXP_IEEE = 14,
+ LOG_CLAMP = 15,
+ LOG_IEEE = 16,
+ RECIP_CLAMP = 17,
+ RECIP_FF = 18,
+ RECIP_IEEE = 19,
+ RECIPSQ_CLAMP = 20,
+ RECIPSQ_FF = 21,
+ RECIPSQ_IEEE = 22,
+ MOVAs = 23,
+ MOVA_FLOORs = 24,
+ SUBs = 25,
+ SUB_PREVs = 26,
+ PRED_SETEs = 27,
+ PRED_SETNEs = 28,
+ PRED_SETGTs = 29,
+ PRED_SETGTEs = 30,
+ PRED_SET_INVs = 31,
+ PRED_SET_POPs = 32,
+ PRED_SET_CLRs = 33,
+ PRED_SET_RESTOREs = 34,
+ KILLEs = 35,
+ KILLGTs = 36,
+ KILLGTEs = 37,
+ KILLNEs = 38,
+ KILLONEs = 39,
+ SQRT_IEEE = 40,
+ MUL_CONST_0 = 42,
+ MUL_CONST_1 = 43,
+ ADD_CONST_0 = 44,
+ ADD_CONST_1 = 45,
+ SUB_CONST_0 = 46,
+ SUB_CONST_1 = 47,
+ SIN = 48,
+ COS = 49,
+ RETAIN_PREV = 50,
+} instr_scalar_opc_t;
+
+typedef enum {
+ ADDv = 0,
+ MULv = 1,
+ MAXv = 2,
+ MINv = 3,
+ SETEv = 4,
+ SETGTv = 5,
+ SETGTEv = 6,
+ SETNEv = 7,
+ FRACv = 8,
+ TRUNCv = 9,
+ FLOORv = 10,
+ MULADDv = 11,
+ CNDEv = 12,
+ CNDGTEv = 13,
+ CNDGTv = 14,
+ DOT4v = 15,
+ DOT3v = 16,
+ DOT2ADDv = 17,
+ CUBEv = 18,
+ MAX4v = 19,
+ PRED_SETE_PUSHv = 20,
+ PRED_SETNE_PUSHv = 21,
+ PRED_SETGT_PUSHv = 22,
+ PRED_SETGTE_PUSHv = 23,
+ KILLEv = 24,
+ KILLGTv = 25,
+ KILLGTEv = 26,
+ KILLNEv = 27,
+ DSTv = 28,
+ MOVAv = 29,
+} instr_vector_opc_t;
+
+typedef struct PACKED {
+ /* dword0: */
+ uint8_t vector_dest : 6;
+ uint8_t vector_dest_rel : 1;
+ uint8_t low_precision_16b_fp : 1;
+ uint8_t scalar_dest : 6;
+ uint8_t scalar_dest_rel : 1;
+ uint8_t export_data : 1;
+ uint8_t vector_write_mask : 4;
+ uint8_t scalar_write_mask : 4;
+ uint8_t vector_clamp : 1;
+ uint8_t scalar_clamp : 1;
+ instr_scalar_opc_t scalar_opc : 6;
+ /* dword1: */
+ uint8_t src3_swiz : 8;
+ uint8_t src2_swiz : 8;
+ uint8_t src1_swiz : 8;
+ uint8_t src3_reg_negate : 1;
+ uint8_t src2_reg_negate : 1;
+ uint8_t src1_reg_negate : 1;
+ uint8_t pred_select : 2;
+ uint8_t relative_addr : 1;
+ uint8_t const_1_rel_abs : 1;
+ uint8_t const_0_rel_abs : 1;
+ /* dword2: */
+ uint8_t src3_reg : 6;
+ uint8_t src3_reg_select : 1;
+ uint8_t src3_reg_abs : 1;
+ uint8_t src2_reg : 6;
+ uint8_t src2_reg_select : 1;
+ uint8_t src2_reg_abs : 1;
+ uint8_t src1_reg : 6;
+ uint8_t src1_reg_select : 1;
+ uint8_t src1_reg_abs : 1;
+ instr_vector_opc_t vector_opc : 5;
+ uint8_t src3_sel : 1;
+ uint8_t src2_sel : 1;
+ uint8_t src1_sel : 1;
+} instr_alu_t;
+
+
+
+/*
+ * CF instructions:
+ */
+
+typedef enum {
+ NOP = 0,
+ EXEC = 1,
+ EXEC_END = 2,
+ COND_EXEC = 3,
+ COND_EXEC_END = 4,
+ COND_PRED_EXEC = 5,
+ COND_PRED_EXEC_END = 6,
+ LOOP_START = 7,
+ LOOP_END = 8,
+ COND_CALL = 9,
+ RETURN = 10,
+ COND_JMP = 11,
+ ALLOC = 12,
+ COND_EXEC_PRED_CLEAN = 13,
+ COND_EXEC_PRED_CLEAN_END = 14,
+ MARK_VS_FETCH_DONE = 15,
+} instr_cf_opc_t;
+
+typedef enum {
+ RELATIVE_ADDR = 0,
+ ABSOLUTE_ADDR = 1,
+} instr_addr_mode_t;
+
+typedef enum {
+ SQ_NO_ALLOC = 0,
+ SQ_POSITION = 1,
+ SQ_PARAMETER_PIXEL = 2,
+ SQ_MEMORY = 3,
+} instr_alloc_type_t;
+
+typedef struct PACKED {
+ uint16_t address : 9;
+ uint8_t reserved0 : 3;
+ uint8_t count : 3;
+ uint8_t yeild : 1;
+ uint16_t serialize : 12;
+ uint8_t vc : 6; /* vertex cache? */
+ uint8_t bool_addr : 8;
+ uint8_t condition : 1;
+ instr_addr_mode_t address_mode : 1;
+ instr_cf_opc_t opc : 4;
+} instr_cf_exec_t;
+
+typedef struct PACKED {
+ uint16_t address : 10;
+ uint8_t reserved0 : 6;
+ uint8_t loop_id : 5;
+ uint32_t reserved1 : 22;
+ instr_addr_mode_t address_mode : 1;
+ instr_cf_opc_t opc : 4;
+} instr_cf_loop_t;
+
+typedef struct PACKED {
+ uint16_t address : 10;
+ uint8_t reserved0 : 3;
+ uint8_t force_call : 1;
+ uint8_t predicated_jmp : 1;
+ uint32_t reserved1 : 18;
+ uint8_t direction : 1;
+ uint8_t bool_addr : 8;
+ uint8_t condition : 1;
+ instr_addr_mode_t address_mode : 1;
+ instr_cf_opc_t opc : 4;
+} instr_cf_jmp_call_t;
+
+typedef struct PACKED {
+ uint8_t size : 4;
+ uint64_t reserved0 : 36;
+ uint8_t no_serial : 1;
+ instr_alloc_type_t buffer_select : 2;
+ uint8_t alloc_mode : 1;
+ instr_cf_opc_t opc : 4;
+} instr_cf_alloc_t;
+
+typedef union PACKED {
+ instr_cf_exec_t exec;
+ instr_cf_loop_t loop;
+ instr_cf_jmp_call_t jmp_call;
+ instr_cf_alloc_t alloc;
+ struct PACKED {
+ uint64_t dummy : 44;
+ instr_cf_opc_t opc : 4;
+ };
+} instr_cf_t;
+
+
+
+/*
+ * FETCH instructions:
+ */
+
+typedef enum {
+ VTX_FETCH = 0,
+ TEX_FETCH = 1,
+ TEX_GET_BORDER_COLOR_FRAC = 16,
+ TEX_GET_COMP_TEX_LOD = 17,
+ TEX_GET_GRADIENTS = 18,
+ TEX_GET_WEIGHTS = 19,
+ TEX_SET_TEX_LOD = 24,
+ TEX_SET_GRADIENTS_H = 25,
+ TEX_SET_GRADIENTS_V = 26,
+ TEX_RESERVED_4 = 27,
+} instr_fetch_opc_t;
+
+typedef enum {
+ TEX_FILTER_POINT = 0,
+ TEX_FILTER_LINEAR = 1,
+ TEX_FILTER_BASEMAP = 2, /* only applicable for mip-filter */
+ TEX_FILTER_USE_FETCH_CONST = 3,
+} instr_tex_filter_t;
+
+typedef enum {
+ ANISO_FILTER_DISABLED = 0,
+ ANISO_FILTER_MAX_1_1 = 1,
+ ANISO_FILTER_MAX_2_1 = 2,
+ ANISO_FILTER_MAX_4_1 = 3,
+ ANISO_FILTER_MAX_8_1 = 4,
+ ANISO_FILTER_MAX_16_1 = 5,
+ ANISO_FILTER_USE_FETCH_CONST = 7,
+} instr_aniso_filter_t;
+
+typedef enum {
+ ARBITRARY_FILTER_2X4_SYM = 0,
+ ARBITRARY_FILTER_2X4_ASYM = 1,
+ ARBITRARY_FILTER_4X2_SYM = 2,
+ ARBITRARY_FILTER_4X2_ASYM = 3,
+ ARBITRARY_FILTER_4X4_SYM = 4,
+ ARBITRARY_FILTER_4X4_ASYM = 5,
+ ARBITRARY_FILTER_USE_FETCH_CONST = 7,
+} instr_arbitrary_filter_t;
+
+typedef enum {
+ SAMPLE_CENTROID = 0,
+ SAMPLE_CENTER = 1,
+} instr_sample_loc_t;
+
+typedef unsigned instr_surf_fmt_t;
+
+typedef struct PACKED {
+ /* dword0: */
+ instr_fetch_opc_t opc : 5;
+ uint8_t src_reg : 6;
+ uint8_t src_reg_am : 1;
+ uint8_t dst_reg : 6;
+ uint8_t dst_reg_am : 1;
+ uint8_t fetch_valid_only : 1;
+ uint8_t const_idx : 5;
+ uint8_t tx_coord_denorm : 1;
+ uint8_t src_swiz : 6;
+ /* dword1: */
+ uint16_t dst_swiz : 12;
+ instr_tex_filter_t mag_filter : 2;
+ instr_tex_filter_t min_filter : 2;
+ instr_tex_filter_t mip_filter : 2;
+ instr_aniso_filter_t aniso_filter : 3;
+ instr_arbitrary_filter_t arbitrary_filter : 3;
+ instr_tex_filter_t vol_mag_filter : 2;
+ instr_tex_filter_t vol_min_filter : 2;
+ uint8_t use_comp_lod : 1;
+ uint8_t use_reg_lod : 2;
+ uint8_t pred_select : 1;
+ /* dword2: */
+ uint8_t use_reg_gradients : 1;
+ instr_sample_loc_t sample_location : 1;
+ uint8_t lod_bias : 7;
+ uint8_t unused : 7;
+ uint8_t offset_x : 5;
+ uint8_t offset_y : 5;
+ uint8_t offset_z : 5;
+ uint8_t pred_condition : 1;
+} instr_fetch_tex_t;
+
+typedef struct PACKED {
+ /* dword0: */
+ instr_fetch_opc_t opc : 5;
+ uint8_t src_reg : 6;
+ uint8_t src_reg_am : 1;
+ uint8_t dst_reg : 6;
+ uint8_t dst_reg_am : 1;
+ uint8_t must_be_one : 1;
+ uint8_t const_index : 5;
+ uint8_t const_index_sel : 2;
+ uint8_t reserved0 : 3;
+ uint8_t src_swiz : 2;
+ /* dword1: */
+ uint16_t dst_swiz : 12;
+ uint8_t format_comp_all : 1; /* '1' for signed, '0' for unsigned? */
+ uint8_t num_format_all : 1; /* '0' for normalized, '1' for unnormalized */
+ uint8_t signed_rf_mode_all : 1;
+ uint8_t reserved1 : 1;
+ instr_surf_fmt_t format : 6;
+ uint8_t reserved2 : 1;
+ uint8_t exp_adjust_all : 7;
+ uint8_t reserved3 : 1;
+ uint8_t pred_select : 1;
+ /* dword2: */
+ uint8_t stride : 8;
+ /* possibly offset and reserved4 are swapped on a200? */
+ uint8_t offset : 8;
+ uint8_t reserved4 : 8;
+ uint8_t reserved5 : 7;
+ uint8_t pred_condition : 1;
+} instr_fetch_vtx_t;
+
+typedef union PACKED {
+ instr_fetch_tex_t tex;
+ instr_fetch_vtx_t vtx;
+ struct PACKED {
+ /* dword0: */
+ instr_fetch_opc_t opc : 5;
+ uint32_t dummy0 : 27;
+ /* dword1: */
+ uint32_t dummy1 : 32;
+ /* dword2: */
+ uint32_t dummy2 : 32;
+ };
+} instr_fetch_t;
+
+#endif /* INSTR_H_ */
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