362 lines
10 KiB
C
362 lines
10 KiB
C
/*
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* Copyright 2015 Advanced Micro Devices, Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* on the rights to use, copy, modify, merge, publish, distribute, sub
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* license, and/or sell copies of the Software, and to permit persons to whom
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* the Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
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* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
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* USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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* Authors:
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* Marek Olšák <maraeo@gmail.com>
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*/
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#include "r600_pipe.h"
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#include "evergreend.h"
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#include "egd_tables.h"
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#define AC_IS_TRACE_POINT(x) (((x) & 0xcafe0000) == 0xcafe0000)
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#define AC_GET_TRACE_POINT_ID(x) ((x) & 0xffff)
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/* Parsed IBs are difficult to read without colors. Use "less -R file" to
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* read them, or use "aha -b -f file" to convert them to html.
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*/
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#define COLOR_RESET "\033[0m"
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#define COLOR_RED "\033[31m"
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#define COLOR_GREEN "\033[1;32m"
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#define COLOR_YELLOW "\033[1;33m"
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#define COLOR_CYAN "\033[1;36m"
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#define INDENT_PKT 8
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typedef void *(*ac_debug_addr_callback)(void *data, uint64_t addr);
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static void print_spaces(FILE *f, unsigned num)
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{
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fprintf(f, "%*s", num, "");
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}
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static void print_value(FILE *file, uint32_t value, int bits)
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{
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/* Guess if it's int or float */
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if (value <= (1 << 15)) {
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if (value <= 9)
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fprintf(file, "%u\n", value);
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else
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fprintf(file, "%u (0x%0*x)\n", value, bits / 4, value);
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} else {
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float f = uif(value);
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if (fabs(f) < 100000 && f*10 == floor(f*10))
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fprintf(file, "%.1ff (0x%0*x)\n", f, bits / 4, value);
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else
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/* Don't print more leading zeros than there are bits. */
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fprintf(file, "0x%0*x\n", bits / 4, value);
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}
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}
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static void print_named_value(FILE *file, const char *name, uint32_t value,
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int bits)
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{
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print_spaces(file, INDENT_PKT);
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fprintf(file, COLOR_YELLOW "%s" COLOR_RESET " <- ", name);
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print_value(file, value, bits);
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}
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static void eg_dump_reg(FILE *file, unsigned offset, uint32_t value,
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uint32_t field_mask)
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{
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int r, f;
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for (r = 0; r < ARRAY_SIZE(egd_reg_table); r++) {
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const struct eg_reg *reg = &egd_reg_table[r];
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const char *reg_name = egd_strings + reg->name_offset;
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if (reg->offset == offset) {
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bool first_field = true;
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print_spaces(file, INDENT_PKT);
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fprintf(file, COLOR_YELLOW "%s" COLOR_RESET " <- ",
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reg_name);
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if (!reg->num_fields) {
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print_value(file, value, 32);
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return;
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}
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for (f = 0; f < reg->num_fields; f++) {
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const struct eg_field *field = egd_fields_table + reg->fields_offset + f;
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const int *values_offsets = egd_strings_offsets + field->values_offset;
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uint32_t val = (value & field->mask) >>
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(ffs(field->mask) - 1);
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if (!(field->mask & field_mask))
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continue;
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/* Indent the field. */
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if (!first_field)
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print_spaces(file,
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INDENT_PKT + strlen(reg_name) + 4);
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/* Print the field. */
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fprintf(file, "%s = ", egd_strings + field->name_offset);
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if (val < field->num_values && values_offsets[val] >= 0)
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fprintf(file, "%s\n", egd_strings + values_offsets[val]);
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else
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print_value(file, val,
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util_bitcount(field->mask));
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first_field = false;
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}
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return;
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}
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}
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print_spaces(file, INDENT_PKT);
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fprintf(file, COLOR_YELLOW "0x%05x" COLOR_RESET " <- 0x%08x\n", offset, value);
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}
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static void ac_parse_set_reg_packet(FILE *f, uint32_t *ib, unsigned count,
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unsigned reg_offset)
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{
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unsigned reg = (ib[1] << 2) + reg_offset;
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int i;
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for (i = 0; i < count; i++)
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eg_dump_reg(f, reg + i*4, ib[2+i], ~0);
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}
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static uint32_t *ac_parse_packet3(FILE *f, uint32_t *ib, int *num_dw,
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int trace_id, enum chip_class chip_class,
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ac_debug_addr_callback addr_callback,
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void *addr_callback_data)
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{
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unsigned count = PKT_COUNT_G(ib[0]);
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unsigned op = PKT3_IT_OPCODE_G(ib[0]);
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const char *predicate = PKT3_PREDICATE(ib[0]) ? "(predicate)" : "";
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const char *compute_mode = (ib[0] & 0x2) ? "(C)" : "";
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int i;
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/* Print the name first. */
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for (i = 0; i < ARRAY_SIZE(packet3_table); i++)
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if (packet3_table[i].op == op)
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break;
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if (i < ARRAY_SIZE(packet3_table)) {
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const char *name = egd_strings + packet3_table[i].name_offset;
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if (op == PKT3_SET_CONTEXT_REG ||
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op == PKT3_SET_CONFIG_REG ||
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op == PKT3_SET_UCONFIG_REG ||
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op == PKT3_SET_SH_REG)
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fprintf(f, COLOR_CYAN "%s%s%s" COLOR_CYAN ":\n",
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name, compute_mode, predicate);
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else
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fprintf(f, COLOR_GREEN "%s%s%s" COLOR_RESET ":\n",
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name, compute_mode, predicate);
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} else
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fprintf(f, COLOR_RED "PKT3_UNKNOWN 0x%x%s%s" COLOR_RESET ":\n",
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op, compute_mode, predicate);
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/* Print the contents. */
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switch (op) {
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case PKT3_SET_CONTEXT_REG:
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ac_parse_set_reg_packet(f, ib, count, EVERGREEN_CONTEXT_REG_OFFSET);
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break;
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case PKT3_SET_CONFIG_REG:
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ac_parse_set_reg_packet(f, ib, count, EVERGREEN_CONFIG_REG_OFFSET);
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break;
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case PKT3_SURFACE_SYNC:
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eg_dump_reg(f, R_0085F0_CP_COHER_CNTL, ib[1], ~0);
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eg_dump_reg(f, R_0085F4_CP_COHER_SIZE, ib[2], ~0);
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eg_dump_reg(f, R_0085F8_CP_COHER_BASE, ib[3], ~0);
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print_named_value(f, "POLL_INTERVAL", ib[4], 16);
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break;
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case PKT3_EVENT_WRITE:
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/* TODO dump VGT_EVENT_INITIATOR */
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#if 0
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eg_dump_reg(f, R_028A90_VGT_EVENT_INITIATOR, ib[1],
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S_028A90_EVENT_TYPE(~0));
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#endif
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print_named_value(f, "EVENT_TYPE", ib[1] & 0xff, 8);
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print_named_value(f, "EVENT_INDEX", (ib[1] >> 8) & 0xf, 4);
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print_named_value(f, "INV_L2", (ib[1] >> 20) & 0x1, 1);
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if (count > 0) {
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print_named_value(f, "ADDRESS_LO", ib[2], 32);
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print_named_value(f, "ADDRESS_HI", ib[3], 16);
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}
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break;
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case PKT3_DRAW_INDEX_AUTO:
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eg_dump_reg(f, R_008970_VGT_NUM_INDICES, ib[1], ~0);
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eg_dump_reg(f, R_0287F0_VGT_DRAW_INITIATOR, ib[2], ~0);
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break;
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case PKT3_DRAW_INDEX_2:
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eg_dump_reg(f, R_028A78_VGT_DMA_MAX_SIZE, ib[1], ~0);
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eg_dump_reg(f, R_0287E8_VGT_DMA_BASE, ib[2], ~0);
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eg_dump_reg(f, R_0287E4_VGT_DMA_BASE_HI, ib[3], ~0);
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eg_dump_reg(f, R_008970_VGT_NUM_INDICES, ib[4], ~0);
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eg_dump_reg(f, R_0287F0_VGT_DRAW_INITIATOR, ib[5], ~0);
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break;
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case PKT3_INDEX_TYPE:
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eg_dump_reg(f, R_028A7C_VGT_DMA_INDEX_TYPE, ib[1], ~0);
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break;
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case PKT3_NUM_INSTANCES:
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eg_dump_reg(f, R_028A88_VGT_NUM_INSTANCES, ib[1], ~0);
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break;
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case PKT3_INDIRECT_BUFFER:
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break;
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case PKT3_PFP_SYNC_ME:
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break;
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case PKT3_NOP:
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if (ib[0] == 0xffff1000) {
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count = -1; /* One dword NOP. */
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break;
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} else if (count == 0 && AC_IS_TRACE_POINT(ib[1])) {
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unsigned packet_id = AC_GET_TRACE_POINT_ID(ib[1]);
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print_spaces(f, INDENT_PKT);
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fprintf(f, COLOR_RED "Trace point ID: %u\n", packet_id);
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if (trace_id == -1)
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break; /* tracing was disabled */
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print_spaces(f, INDENT_PKT);
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if (packet_id < trace_id)
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fprintf(f, COLOR_RED
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"This trace point was reached by the CP."
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COLOR_RESET "\n");
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else if (packet_id == trace_id)
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fprintf(f, COLOR_RED
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"!!!!! This is the last trace point that "
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"was reached by the CP !!!!!"
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COLOR_RESET "\n");
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else if (packet_id+1 == trace_id)
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fprintf(f, COLOR_RED
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"!!!!! This is the first trace point that "
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"was NOT been reached by the CP !!!!!"
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COLOR_RESET "\n");
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else
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fprintf(f, COLOR_RED
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"!!!!! This trace point was NOT reached "
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"by the CP !!!!!"
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COLOR_RESET "\n");
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break;
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}
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/* fall through, print all dwords */
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default:
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for (i = 0; i < count+1; i++) {
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print_spaces(f, INDENT_PKT);
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fprintf(f, "0x%08x\n", ib[1+i]);
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}
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}
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ib += count + 2;
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*num_dw -= count + 2;
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return ib;
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}
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/**
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* Parse and print an IB into a file.
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*
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* \param f file
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* \param ib IB
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* \param num_dw size of the IB
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* \param chip_class chip class
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* \param trace_id the last trace ID that is known to have been reached
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* and executed by the CP, typically read from a buffer
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* \param addr_callback Get a mapped pointer of the IB at a given address. Can
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* be NULL.
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* \param addr_callback_data user data for addr_callback
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*/
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static void eg_parse_ib(FILE *f, uint32_t *ib, int num_dw, int trace_id,
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const char *name, enum chip_class chip_class,
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ac_debug_addr_callback addr_callback, void *addr_callback_data)
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{
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fprintf(f, "------------------ %s begin ------------------\n", name);
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while (num_dw > 0) {
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unsigned type = PKT_TYPE_G(ib[0]);
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switch (type) {
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case 3:
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ib = ac_parse_packet3(f, ib, &num_dw, trace_id,
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chip_class, addr_callback,
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addr_callback_data);
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break;
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case 2:
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/* type-2 nop */
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if (ib[0] == 0x80000000) {
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fprintf(f, COLOR_GREEN "NOP (type 2)" COLOR_RESET "\n");
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ib++;
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num_dw--;
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break;
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}
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/* fall through */
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default:
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fprintf(f, "Unknown packet type %i\n", type);
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return;
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}
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}
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fprintf(f, "------------------- %s end -------------------\n", name);
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if (num_dw < 0) {
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printf("Packet ends after the end of IB.\n");
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exit(0);
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}
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fprintf(f, "\n");
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}
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static void eg_dump_last_ib(struct r600_context *rctx, FILE *f)
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{
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int last_trace_id = -1;
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if (!rctx->last_gfx.ib)
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return;
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if (rctx->last_trace_buf) {
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/* We are expecting that the ddebug pipe has already
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* waited for the context, so this buffer should be idle.
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* If the GPU is hung, there is no point in waiting for it.
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*/
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uint32_t *map = rctx->b.ws->buffer_map(rctx->last_trace_buf->buf,
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NULL,
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PIPE_TRANSFER_UNSYNCHRONIZED |
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PIPE_TRANSFER_READ);
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if (map)
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last_trace_id = *map;
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}
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eg_parse_ib(f, rctx->last_gfx.ib, rctx->last_gfx.num_dw,
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last_trace_id, "IB", rctx->b.chip_class,
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NULL, NULL);
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}
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void eg_dump_debug_state(struct pipe_context *ctx, FILE *f,
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unsigned flags)
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{
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struct r600_context *rctx = (struct r600_context*)ctx;
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eg_dump_last_ib(rctx, f);
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fprintf(f, "Done.\n");
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/* dump only once */
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radeon_clear_saved_cs(&rctx->last_gfx);
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r600_resource_reference(&rctx->last_trace_buf, NULL);
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}
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