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/*
* Copyright © 2016-2017 Broadcom
*
* 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.
*/
#include "broadcom/common/v3d_device_info.h"
#include "v3d_compiler.h"
/* Prints a human-readable description of the uniform reference. */
void
vir_dump_uniform(enum quniform_contents contents,
uint32_t data)
{
static const char *quniform_names[] = {
[QUNIFORM_ALPHA_REF] = "alpha_ref",
[QUNIFORM_VIEWPORT_X_SCALE] = "vp_x_scale",
[QUNIFORM_VIEWPORT_Y_SCALE] = "vp_y_scale",
[QUNIFORM_VIEWPORT_Z_OFFSET] = "vp_z_offset",
[QUNIFORM_VIEWPORT_Z_SCALE] = "vp_z_scale",
[QUNIFORM_SHARED_OFFSET] = "shared_offset",
};
switch (contents) {
case QUNIFORM_CONSTANT:
fprintf(stderr, "0x%08x / %f", data, uif(data));
break;
case QUNIFORM_UNIFORM:
fprintf(stderr, "push[%d]", data);
break;
case QUNIFORM_TEXTURE_CONFIG_P1:
fprintf(stderr, "tex[%d].p1", data);
break;
case QUNIFORM_TMU_CONFIG_P0:
fprintf(stderr, "tex[%d].p0 | 0x%x",
v3d_unit_data_get_unit(data),
v3d_unit_data_get_offset(data));
break;
case QUNIFORM_TMU_CONFIG_P1:
fprintf(stderr, "tex[%d].p1 | 0x%x",
v3d_unit_data_get_unit(data),
v3d_unit_data_get_offset(data));
break;
case QUNIFORM_IMAGE_TMU_CONFIG_P0:
fprintf(stderr, "img[%d].p0 | 0x%x",
v3d_unit_data_get_unit(data),
v3d_unit_data_get_offset(data));
break;
case QUNIFORM_TEXTURE_WIDTH:
fprintf(stderr, "tex[%d].width", data);
break;
case QUNIFORM_TEXTURE_HEIGHT:
fprintf(stderr, "tex[%d].height", data);
break;
case QUNIFORM_TEXTURE_DEPTH:
fprintf(stderr, "tex[%d].depth", data);
break;
case QUNIFORM_TEXTURE_ARRAY_SIZE:
fprintf(stderr, "tex[%d].array_size", data);
break;
case QUNIFORM_TEXTURE_LEVELS:
fprintf(stderr, "tex[%d].levels", data);
break;
case QUNIFORM_IMAGE_WIDTH:
fprintf(stderr, "img[%d].width", data);
break;
case QUNIFORM_IMAGE_HEIGHT:
fprintf(stderr, "img[%d].height", data);
break;
case QUNIFORM_IMAGE_DEPTH:
fprintf(stderr, "img[%d].depth", data);
break;
case QUNIFORM_IMAGE_ARRAY_SIZE:
fprintf(stderr, "img[%d].array_size", data);
break;
case QUNIFORM_UBO_ADDR:
fprintf(stderr, "ubo[%d]+0x%x",
v3d_unit_data_get_unit(data),
v3d_unit_data_get_offset(data));
break;
case QUNIFORM_SSBO_OFFSET:
fprintf(stderr, "ssbo[%d]", data);
break;
case QUNIFORM_GET_BUFFER_SIZE:
fprintf(stderr, "ssbo_size[%d]", data);
break;
case QUNIFORM_NUM_WORK_GROUPS:
fprintf(stderr, "num_wg.%c", data < 3 ? "xyz"[data] : '?');
break;
default:
if (quniform_contents_is_texture_p0(contents)) {
fprintf(stderr, "tex[%d].p0: 0x%08x",
contents - QUNIFORM_TEXTURE_CONFIG_P0_0,
data);
} else if (contents < ARRAY_SIZE(quniform_names) &&
quniform_names[contents]) {
fprintf(stderr, "%s",
quniform_names[contents]);
} else {
fprintf(stderr, "%d / 0x%08x", contents, data);
}
}
}
static void
vir_print_reg(struct v3d_compile *c, const struct qinst *inst,
struct qreg reg)
{
switch (reg.file) {
case QFILE_NULL:
fprintf(stderr, "null");
break;
case QFILE_LOAD_IMM:
fprintf(stderr, "0x%08x (%f)", reg.index, uif(reg.index));
break;
case QFILE_REG:
fprintf(stderr, "rf%d", reg.index);
break;
case QFILE_MAGIC:
fprintf(stderr, "%s", v3d_qpu_magic_waddr_name(reg.index));
break;
case QFILE_SMALL_IMM: {
uint32_t unpacked;
bool ok = v3d_qpu_small_imm_unpack(c->devinfo,
inst->qpu.raddr_b,
&unpacked);
assert(ok); (void) ok;
if ((int)inst->qpu.raddr_b >= -16 &&
(int)inst->qpu.raddr_b <= 15)
fprintf(stderr, "%d", unpacked);
else
fprintf(stderr, "%f", uif(unpacked));
break;
}
case QFILE_VPM:
fprintf(stderr, "vpm%d.%d",
reg.index / 4, reg.index % 4);
break;
case QFILE_TEMP:
fprintf(stderr, "t%d", reg.index);
break;
}
}
static void
vir_dump_sig_addr(const struct v3d_device_info *devinfo,
const struct v3d_qpu_instr *instr)
{
if (devinfo->ver < 41)
return;
if (!instr->sig_magic)
fprintf(stderr, ".rf%d", instr->sig_addr);
else {
const char *name = v3d_qpu_magic_waddr_name(instr->sig_addr);
if (name)
fprintf(stderr, ".%s", name);
else
fprintf(stderr, ".UNKNOWN%d", instr->sig_addr);
}
}
static void
vir_dump_sig(struct v3d_compile *c, struct qinst *inst)
{
struct v3d_qpu_sig *sig = &inst->qpu.sig;
if (sig->thrsw)
fprintf(stderr, "; thrsw");
if (sig->ldvary) {
fprintf(stderr, "; ldvary");
vir_dump_sig_addr(c->devinfo, &inst->qpu);
}
if (sig->ldvpm)
fprintf(stderr, "; ldvpm");
if (sig->ldtmu) {
fprintf(stderr, "; ldtmu");
vir_dump_sig_addr(c->devinfo, &inst->qpu);
}
if (sig->ldtlb) {
fprintf(stderr, "; ldtlb");
vir_dump_sig_addr(c->devinfo, &inst->qpu);
}
if (sig->ldtlbu) {
fprintf(stderr, "; ldtlbu");
vir_dump_sig_addr(c->devinfo, &inst->qpu);
}
if (sig->ldunif)
fprintf(stderr, "; ldunif");
if (sig->ldunifrf) {
fprintf(stderr, "; ldunifrf");
vir_dump_sig_addr(c->devinfo, &inst->qpu);
}
if (sig->ldunifa)
fprintf(stderr, "; ldunifa");
if (sig->ldunifarf) {
fprintf(stderr, "; ldunifarf");
vir_dump_sig_addr(c->devinfo, &inst->qpu);
}
if (sig->wrtmuc)
fprintf(stderr, "; wrtmuc");
}
static void
vir_dump_alu(struct v3d_compile *c, struct qinst *inst)
{
struct v3d_qpu_instr *instr = &inst->qpu;
int nsrc = vir_get_nsrc(inst);
enum v3d_qpu_input_unpack unpack[2];
if (inst->qpu.alu.add.op != V3D_QPU_A_NOP) {
fprintf(stderr, "%s", v3d_qpu_add_op_name(instr->alu.add.op));
fprintf(stderr, "%s", v3d_qpu_cond_name(instr->flags.ac));
fprintf(stderr, "%s", v3d_qpu_pf_name(instr->flags.apf));
fprintf(stderr, "%s", v3d_qpu_uf_name(instr->flags.auf));
fprintf(stderr, " ");
vir_print_reg(c, inst, inst->dst);
fprintf(stderr, "%s", v3d_qpu_pack_name(instr->alu.add.output_pack));
unpack[0] = instr->alu.add.a_unpack;
unpack[1] = instr->alu.add.b_unpack;
} else {
fprintf(stderr, "%s", v3d_qpu_mul_op_name(instr->alu.mul.op));
fprintf(stderr, "%s", v3d_qpu_cond_name(instr->flags.mc));
fprintf(stderr, "%s", v3d_qpu_pf_name(instr->flags.mpf));
fprintf(stderr, "%s", v3d_qpu_uf_name(instr->flags.muf));
fprintf(stderr, " ");
vir_print_reg(c, inst, inst->dst);
fprintf(stderr, "%s", v3d_qpu_pack_name(instr->alu.mul.output_pack));
unpack[0] = instr->alu.mul.a_unpack;
unpack[1] = instr->alu.mul.b_unpack;
}
for (int i = 0; i < nsrc; i++) {
fprintf(stderr, ", ");
vir_print_reg(c, inst, inst->src[i]);
fprintf(stderr, "%s", v3d_qpu_unpack_name(unpack[i]));
}
vir_dump_sig(c, inst);
}
void
vir_dump_inst(struct v3d_compile *c, struct qinst *inst)
{
struct v3d_qpu_instr *instr = &inst->qpu;
switch (inst->qpu.type) {
case V3D_QPU_INSTR_TYPE_ALU:
vir_dump_alu(c, inst);
break;
case V3D_QPU_INSTR_TYPE_BRANCH:
fprintf(stderr, "b");
if (instr->branch.ub)
fprintf(stderr, "u");
fprintf(stderr, "%s",
v3d_qpu_branch_cond_name(instr->branch.cond));
fprintf(stderr, "%s", v3d_qpu_msfign_name(instr->branch.msfign));
switch (instr->branch.bdi) {
case V3D_QPU_BRANCH_DEST_ABS:
fprintf(stderr, " zero_addr+0x%08x", instr->branch.offset);
break;
case V3D_QPU_BRANCH_DEST_REL:
fprintf(stderr, " %d", instr->branch.offset);
break;
case V3D_QPU_BRANCH_DEST_LINK_REG:
fprintf(stderr, " lri");
break;
case V3D_QPU_BRANCH_DEST_REGFILE:
fprintf(stderr, " rf%d", instr->branch.raddr_a);
break;
}
if (instr->branch.ub) {
switch (instr->branch.bdu) {
case V3D_QPU_BRANCH_DEST_ABS:
fprintf(stderr, ", a:unif");
break;
case V3D_QPU_BRANCH_DEST_REL:
fprintf(stderr, ", r:unif");
break;
case V3D_QPU_BRANCH_DEST_LINK_REG:
fprintf(stderr, ", lri");
break;
case V3D_QPU_BRANCH_DEST_REGFILE:
fprintf(stderr, ", rf%d", instr->branch.raddr_a);
break;
}
}
break;
}
if (vir_has_uniform(inst)) {
fprintf(stderr, " (");
vir_dump_uniform(c->uniform_contents[inst->uniform],
c->uniform_data[inst->uniform]);
fprintf(stderr, ")");
}
}
void
vir_dump(struct v3d_compile *c)
{
int ip = 0;
int pressure = 0;
vir_for_each_block(block, c) {
fprintf(stderr, "BLOCK %d:\n", block->index);
vir_for_each_inst(inst, block) {
if (c->live_intervals_valid) {
for (int i = 0; i < c->num_temps; i++) {
if (c->temp_start[i] == ip)
pressure++;
}
fprintf(stderr, "P%4d ", pressure);
bool first = true;
for (int i = 0; i < c->num_temps; i++) {
if (c->temp_start[i] != ip)
continue;
if (first) {
first = false;
} else {
fprintf(stderr, ", ");
}
if (BITSET_TEST(c->spillable, i))
fprintf(stderr, "S%4d", i);
else
fprintf(stderr, "U%4d", i);
}
if (first)
fprintf(stderr, " ");
else
fprintf(stderr, " ");
}
if (c->live_intervals_valid) {
bool first = true;
for (int i = 0; i < c->num_temps; i++) {
if (c->temp_end[i] != ip)
continue;
if (first) {
first = false;
} else {
fprintf(stderr, ", ");
}
fprintf(stderr, "E%4d", i);
pressure--;
}
if (first)
fprintf(stderr, " ");
else
fprintf(stderr, " ");
}
vir_dump_inst(c, inst);
fprintf(stderr, "\n");
ip++;
}
if (block->successors[1]) {
fprintf(stderr, "-> BLOCK %d, %d\n",
block->successors[0]->index,
block->successors[1]->index);
} else if (block->successors[0]) {
fprintf(stderr, "-> BLOCK %d\n",
block->successors[0]->index);
}
}
}
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