xref: /xsrc/external/mit/MesaLib/dist/src/gallium/drivers/r600/r700_asm.c

/*
 * Copyright 2010 Jerome Glisse <glisse@freedesktop.org>
 *
 * 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
 * on the rights to use, copy, modify, merge, publish, distribute, sub
 * license, 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 NON-INFRINGEMENT. IN NO EVENT SHALL
 * THE AUTHOR(S) AND/OR THEIR SUPPLIERS 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.
 */
#include "r600_asm.h"
#include "r700_sq.h"

void r700_bytecode_cf_vtx_build(uint32_t *bytecode, const struct r600_bytecode_cf *cf)
{
	unsigned count = (cf->ndw / 4) - 1;
	*bytecode++ = S_SQ_CF_WORD0_ADDR(cf->addr >> 1);
	*bytecode++ = S_SQ_CF_WORD1_CF_INST(r600_isa_cf_opcode(ISA_CC_R700, cf->op)) |
			S_SQ_CF_WORD1_BARRIER(1) |
			S_SQ_CF_WORD1_COUNT(count) |
			S_SQ_CF_WORD1_COUNT_3(count >> 3)|
			S_SQ_CF_WORD1_END_OF_PROGRAM(cf->end_of_program);
}

int r700_bytecode_alu_build(struct r600_bytecode *bc, struct r600_bytecode_alu *alu, unsigned id)
{
	bc->bytecode[id++] = S_SQ_ALU_WORD0_SRC0_SEL(alu->src[0].sel) |
		S_SQ_ALU_WORD0_SRC0_REL(alu->src[0].rel) |
		S_SQ_ALU_WORD0_SRC0_CHAN(alu->src[0].chan) |
		S_SQ_ALU_WORD0_SRC0_NEG(alu->src[0].neg) |
		S_SQ_ALU_WORD0_SRC1_SEL(alu->src[1].sel) |
		S_SQ_ALU_WORD0_SRC1_REL(alu->src[1].rel) |
		S_SQ_ALU_WORD0_SRC1_CHAN(alu->src[1].chan) |
		S_SQ_ALU_WORD0_SRC1_NEG(alu->src[1].neg) |
		S_SQ_ALU_WORD0_PRED_SEL(alu->pred_sel) |
		S_SQ_ALU_WORD0_LAST(alu->last);

	/* don't replace gpr by pv or ps for destination register */
	if (alu->is_op3) {
		assert(!alu->src[0].abs && !alu->src[1].abs && !alu->src[2].abs);
		bc->bytecode[id++] = S_SQ_ALU_WORD1_DST_GPR(alu->dst.sel) |
					S_SQ_ALU_WORD1_DST_CHAN(alu->dst.chan) |
			                S_SQ_ALU_WORD1_DST_REL(alu->dst.rel) |
			                S_SQ_ALU_WORD1_CLAMP(alu->dst.clamp) |
					S_SQ_ALU_WORD1_OP3_SRC2_SEL(alu->src[2].sel) |
					S_SQ_ALU_WORD1_OP3_SRC2_REL(alu->src[2].rel) |
					S_SQ_ALU_WORD1_OP3_SRC2_CHAN(alu->src[2].chan) |
					S_SQ_ALU_WORD1_OP3_SRC2_NEG(alu->src[2].neg) |
					S_SQ_ALU_WORD1_OP3_ALU_INST(r600_isa_alu_opcode(bc->isa->hw_class, alu->op)) |
					S_SQ_ALU_WORD1_BANK_SWIZZLE(alu->bank_swizzle);
	} else {
		bc->bytecode[id++] = S_SQ_ALU_WORD1_DST_GPR(alu->dst.sel) |
					S_SQ_ALU_WORD1_DST_CHAN(alu->dst.chan) |
			                S_SQ_ALU_WORD1_DST_REL(alu->dst.rel) |
			                S_SQ_ALU_WORD1_CLAMP(alu->dst.clamp) |
					S_SQ_ALU_WORD1_OP2_SRC0_ABS(alu->src[0].abs) |
					S_SQ_ALU_WORD1_OP2_SRC1_ABS(alu->src[1].abs) |
					S_SQ_ALU_WORD1_OP2_WRITE_MASK(alu->dst.write) |
					S_SQ_ALU_WORD1_OP2_OMOD(alu->omod) |
					S_SQ_ALU_WORD1_OP2_ALU_INST(r600_isa_alu_opcode(bc->isa->hw_class, alu->op)) |
					S_SQ_ALU_WORD1_BANK_SWIZZLE(alu->bank_swizzle) |
			                S_SQ_ALU_WORD1_OP2_UPDATE_EXECUTE_MASK(alu->execute_mask) |
			                S_SQ_ALU_WORD1_OP2_UPDATE_PRED(alu->update_pred);
	}
	return 0;
}

void r700_bytecode_alu_read(struct r600_bytecode *bc,
		struct r600_bytecode_alu *alu, uint32_t word0, uint32_t word1)
{
	/* WORD0 */
	alu->src[0].sel = G_SQ_ALU_WORD0_SRC0_SEL(word0);
	alu->src[0].rel = G_SQ_ALU_WORD0_SRC0_REL(word0);
	alu->src[0].chan = G_SQ_ALU_WORD0_SRC0_CHAN(word0);
	alu->src[0].neg = G_SQ_ALU_WORD0_SRC0_NEG(word0);
	alu->src[1].sel = G_SQ_ALU_WORD0_SRC1_SEL(word0);
	alu->src[1].rel = G_SQ_ALU_WORD0_SRC1_REL(word0);
	alu->src[1].chan = G_SQ_ALU_WORD0_SRC1_CHAN(word0);
	alu->src[1].neg = G_SQ_ALU_WORD0_SRC1_NEG(word0);
	alu->index_mode = G_SQ_ALU_WORD0_INDEX_MODE(word0);
	alu->pred_sel = G_SQ_ALU_WORD0_PRED_SEL(word0);
	alu->last = G_SQ_ALU_WORD0_LAST(word0);

	/* WORD1 */
	alu->bank_swizzle = G_SQ_ALU_WORD1_BANK_SWIZZLE(word1);
	if (alu->bank_swizzle)
		alu->bank_swizzle_force = alu->bank_swizzle;
	alu->dst.sel = G_SQ_ALU_WORD1_DST_GPR(word1);
	alu->dst.rel = G_SQ_ALU_WORD1_DST_REL(word1);
	alu->dst.chan = G_SQ_ALU_WORD1_DST_CHAN(word1);
	alu->dst.clamp = G_SQ_ALU_WORD1_CLAMP(word1);
	if (G_SQ_ALU_WORD1_ENCODING(word1)) /*ALU_DWORD1_OP3*/
	{
		alu->is_op3 = 1;
		alu->src[2].sel = G_SQ_ALU_WORD1_OP3_SRC2_SEL(word1);
		alu->src[2].rel = G_SQ_ALU_WORD1_OP3_SRC2_REL(word1);
		alu->src[2].chan = G_SQ_ALU_WORD1_OP3_SRC2_CHAN(word1);
		alu->src[2].neg = G_SQ_ALU_WORD1_OP3_SRC2_NEG(word1);
		alu->op = r600_isa_alu_by_opcode(bc->isa,
				G_SQ_ALU_WORD1_OP3_ALU_INST(word1), 1);
	}
	else /*ALU_DWORD1_OP2*/
	{
		alu->src[0].abs = G_SQ_ALU_WORD1_OP2_SRC0_ABS(word1);
		alu->src[1].abs = G_SQ_ALU_WORD1_OP2_SRC1_ABS(word1);
		alu->op = r600_isa_alu_by_opcode(bc->isa,
				G_SQ_ALU_WORD1_OP2_ALU_INST(word1), 0);
		alu->omod = G_SQ_ALU_WORD1_OP2_OMOD(word1);
		alu->dst.write = G_SQ_ALU_WORD1_OP2_WRITE_MASK(word1);
		alu->update_pred = G_SQ_ALU_WORD1_OP2_UPDATE_PRED(word1);
		alu->execute_mask =
			G_SQ_ALU_WORD1_OP2_UPDATE_EXECUTE_MASK(word1);
	}
}

int r700_bytecode_fetch_mem_build(struct r600_bytecode *bc, struct r600_bytecode_vtx *mem, unsigned id)
{
	unsigned opcode = r600_isa_fetch_opcode(bc->isa->hw_class, mem->op) >> 8;

	bc->bytecode[id++] = S_SQ_MEM_RD_WORD0_MEM_INST(2) |
		S_SQ_MEM_RD_WORD0_ELEM_SIZE(mem->elem_size) |
		S_SQ_MEM_RD_WORD0_FETCH_WHOLE_QUAD(0) |
		S_SQ_MEM_RD_WORD0_MEM_OP(opcode) |
		S_SQ_MEM_RD_WORD0_UNCACHED(mem->uncached) |
		S_SQ_MEM_RD_WORD0_INDEXED(mem->indexed) |
		S_SQ_MEM_RD_WORD0_SRC_SEL_Y(mem->src_sel_y) |
		S_SQ_MEM_RD_WORD0_SRC_GPR(mem->src_gpr) |
		S_SQ_MEM_RD_WORD0_SRC_REL(mem->src_rel) |
		S_SQ_MEM_RD_WORD0_SRC_SEL_X(mem->src_sel_x) |
		S_SQ_MEM_RD_WORD0_BURST_COUNT(mem->burst_count) |
		S_SQ_MEM_RD_WORD0_LDS_REQ(0) |
		S_SQ_MEM_RD_WORD0_COALESCED_READ(0);

	bc->bytecode[id++] = S_SQ_MEM_RD_WORD1_DST_GPR(mem->dst_gpr) |
		S_SQ_MEM_RD_WORD1_DST_REL(mem->dst_rel) |
		S_SQ_MEM_RD_WORD1_DST_SEL_X(mem->dst_sel_x) |
		S_SQ_MEM_RD_WORD1_DST_SEL_Y(mem->dst_sel_y) |
		S_SQ_MEM_RD_WORD1_DST_SEL_W(mem->dst_sel_w) |
		S_SQ_MEM_RD_WORD1_DST_SEL_Z(mem->dst_sel_z) |
		S_SQ_MEM_RD_WORD1_DATA_FORMAT(mem->data_format) |
		S_SQ_MEM_RD_WORD1_NUM_FORMAT_ALL(mem->num_format_all) |
		S_SQ_MEM_RD_WORD1_FORMAT_COMP_ALL(mem->format_comp_all) |
		S_SQ_MEM_RD_WORD1_SRF_MODE_ALL(mem->srf_mode_all);

	bc->bytecode[id++] = S_SQ_MEM_RD_WORD2_ARRAY_BASE(mem->array_base) |
		S_SQ_MEM_RD_WORD2_ENDIAN_SWAP(0) |
		S_SQ_MEM_RD_WORD2_ARRAY_SIZE(mem->array_size);


	bc->bytecode[id++] = 0; /* MEM ops are 4 word aligned */

	return 0;
}