/*
* Copyright 2015 Advanced Micro Devices, Inc.
*
* 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.
*
* Authors:
* Marek Olšák <maraeo@gmail.com>
*/
#include "ac_debug.h"
#include "sid.h"
#include "sid_tables.h"
#include "util/u_math.h"
#include "util/u_memory.h"
/* Parsed IBs are difficult to read without colors. Use "less -R file" to
* read them, or use "aha -b -f file" to convert them to html.
*/
#define COLOR_RESET "\033[0m"
#define COLOR_RED "\033[31m"
#define COLOR_GREEN "\033[1;32m"
#define COLOR_YELLOW "\033[1;33m"
#define COLOR_CYAN "\033[1;36m"
#define INDENT_PKT 8
static void print_spaces(FILE *f, unsigned num)
{
fprintf(f, "%*s", num, "");
}
static void print_value(FILE *file, uint32_t value, int bits)
{
/* Guess if it's int or float */
if (value <= (1 << 15)) {
if (value <= 9)
fprintf(file, "%u\n", value);
else
fprintf(file, "%u (0x%0*x)\n", value, bits / 4, value);
} else {
float f = uif(value);
if (fabs(f) < 100000 && f*10 == floor(f*10))
fprintf(file, "%.1ff (0x%0*x)\n", f, bits / 4, value);
else
/* Don't print more leading zeros than there are bits. */
fprintf(file, "0x%0*x\n", bits / 4, value);
}
}
static void print_named_value(FILE *file, const char *name, uint32_t value,
int bits)
{
print_spaces(file, INDENT_PKT);
fprintf(file, COLOR_YELLOW "%s" COLOR_RESET " <- ", name);
print_value(file, value, bits);
}
void ac_dump_reg(FILE *file, unsigned offset, uint32_t value,
uint32_t field_mask)
{
int r, f;
for (r = 0; r < ARRAY_SIZE(sid_reg_table); r++) {
const struct si_reg *reg = &sid_reg_table[r];
const char *reg_name = sid_strings + reg->name_offset;
if (reg->offset == offset) {
bool first_field = true;
print_spaces(file, INDENT_PKT);
fprintf(file, COLOR_YELLOW "%s" COLOR_RESET " <- ",
reg_name);
if (!reg->num_fields) {
print_value(file, value, 32);
return;
}
for (f = 0; f < reg->num_fields; f++) {
const struct si_field *field = sid_fields_table + reg->fields_offset + f;
const int *values_offsets = sid_strings_offsets + field->values_offset;
uint32_t val = (value & field->mask) >>
(ffs(field->mask) - 1);
if (!(field->mask & field_mask))
continue;
/* Indent the field. */
if (!first_field)
print_spaces(file,
INDENT_PKT + strlen(reg_name) + 4);
/* Print the field. */
fprintf(file, "%s = ", sid_strings + field->name_offset);
if (val < field->num_values && values_offsets[val] >= 0)
fprintf(file, "%s\n", sid_strings + values_offsets[val]);
else
print_value(file, val,
util_bitcount(field->mask));
first_field = false;
}
return;
}
}
print_spaces(file, INDENT_PKT);
fprintf(file, COLOR_YELLOW "0x%05x" COLOR_RESET " <- 0x%08x\n", offset, value);
}
static void ac_parse_set_reg_packet(FILE *f, uint32_t *ib, unsigned count,
unsigned reg_offset)
{
unsigned reg = (ib[1] << 2) + reg_offset;
int i;
for (i = 0; i < count; i++)
ac_dump_reg(f, reg + i*4, ib[2+i], ~0);
}
static uint32_t *ac_parse_packet3(FILE *f, uint32_t *ib, int *num_dw,
int trace_id, enum chip_class chip_class,
ac_debug_addr_callback addr_callback,
void *addr_callback_data)
{
unsigned count = PKT_COUNT_G(ib[0]);
unsigned op = PKT3_IT_OPCODE_G(ib[0]);
const char *predicate = PKT3_PREDICATE(ib[0]) ? "(predicate)" : "";
int i;
/* Print the name first. */
for (i = 0; i < ARRAY_SIZE(packet3_table); i++)
if (packet3_table[i].op == op)
break;
if (i < ARRAY_SIZE(packet3_table)) {
const char *name = sid_strings + packet3_table[i].name_offset;
if (op == PKT3_SET_CONTEXT_REG ||
op == PKT3_SET_CONFIG_REG ||
op == PKT3_SET_UCONFIG_REG ||
op == PKT3_SET_SH_REG)
fprintf(f, COLOR_CYAN "%s%s" COLOR_CYAN ":\n",
name, predicate);
else
fprintf(f, COLOR_GREEN "%s%s" COLOR_RESET ":\n",
name, predicate);
} else
fprintf(f, COLOR_RED "PKT3_UNKNOWN 0x%x%s" COLOR_RESET ":\n",
op, predicate);
/* Print the contents. */
switch (op) {
case PKT3_SET_CONTEXT_REG:
ac_parse_set_reg_packet(f, ib, count, SI_CONTEXT_REG_OFFSET);
break;
case PKT3_SET_CONFIG_REG:
ac_parse_set_reg_packet(f, ib, count, SI_CONFIG_REG_OFFSET);
break;
case PKT3_SET_UCONFIG_REG:
ac_parse_set_reg_packet(f, ib, count, CIK_UCONFIG_REG_OFFSET);
break;
case PKT3_SET_SH_REG:
ac_parse_set_reg_packet(f, ib, count, SI_SH_REG_OFFSET);
break;
case PKT3_ACQUIRE_MEM:
ac_dump_reg(f, R_0301F0_CP_COHER_CNTL, ib[1], ~0);
ac_dump_reg(f, R_0301F4_CP_COHER_SIZE, ib[2], ~0);
ac_dump_reg(f, R_030230_CP_COHER_SIZE_HI, ib[3], ~0);
ac_dump_reg(f, R_0301F8_CP_COHER_BASE, ib[4], ~0);
ac_dump_reg(f, R_0301E4_CP_COHER_BASE_HI, ib[5], ~0);
print_named_value(f, "POLL_INTERVAL", ib[6], 16);
break;
case PKT3_SURFACE_SYNC:
if (chip_class >= CIK) {
ac_dump_reg(f, R_0301F0_CP_COHER_CNTL, ib[1], ~0);
ac_dump_reg(f, R_0301F4_CP_COHER_SIZE, ib[2], ~0);
ac_dump_reg(f, R_0301F8_CP_COHER_BASE, ib[3], ~0);
} else {
ac_dump_reg(f, R_0085F0_CP_COHER_CNTL, ib[1], ~0);
ac_dump_reg(f, R_0085F4_CP_COHER_SIZE, ib[2], ~0);
ac_dump_reg(f, R_0085F8_CP_COHER_BASE, ib[3], ~0);
}
print_named_value(f, "POLL_INTERVAL", ib[4], 16);
break;
case PKT3_EVENT_WRITE:
ac_dump_reg(f, R_028A90_VGT_EVENT_INITIATOR, ib[1],
S_028A90_EVENT_TYPE(~0));
print_named_value(f, "EVENT_INDEX", (ib[1] >> 8) & 0xf, 4);
print_named_value(f, "INV_L2", (ib[1] >> 20) & 0x1, 1);
if (count > 0) {
print_named_value(f, "ADDRESS_LO", ib[2], 32);
print_named_value(f, "ADDRESS_HI", ib[3], 16);
}
break;
case PKT3_DRAW_INDEX_AUTO:
ac_dump_reg(f, R_030930_VGT_NUM_INDICES, ib[1], ~0);
ac_dump_reg(f, R_0287F0_VGT_DRAW_INITIATOR, ib[2], ~0);
break;
case PKT3_DRAW_INDEX_2:
ac_dump_reg(f, R_028A78_VGT_DMA_MAX_SIZE, ib[1], ~0);
ac_dump_reg(f, R_0287E8_VGT_DMA_BASE, ib[2], ~0);
ac_dump_reg(f, R_0287E4_VGT_DMA_BASE_HI, ib[3], ~0);
ac_dump_reg(f, R_030930_VGT_NUM_INDICES, ib[4], ~0);
ac_dump_reg(f, R_0287F0_VGT_DRAW_INITIATOR, ib[5], ~0);
break;
case PKT3_INDEX_TYPE:
ac_dump_reg(f, R_028A7C_VGT_DMA_INDEX_TYPE, ib[1], ~0);
break;
case PKT3_NUM_INSTANCES:
ac_dump_reg(f, R_030934_VGT_NUM_INSTANCES, ib[1], ~0);
break;
case PKT3_WRITE_DATA:
ac_dump_reg(f, R_370_CONTROL, ib[1], ~0);
ac_dump_reg(f, R_371_DST_ADDR_LO, ib[2], ~0);
ac_dump_reg(f, R_372_DST_ADDR_HI, ib[3], ~0);
for (i = 2; i < count; i++) {
print_spaces(f, INDENT_PKT);
fprintf(f, "0x%08x\n", ib[2+i]);
}
break;
case PKT3_CP_DMA:
ac_dump_reg(f, R_410_CP_DMA_WORD0, ib[1], ~0);
ac_dump_reg(f, R_411_CP_DMA_WORD1, ib[2], ~0);
ac_dump_reg(f, R_412_CP_DMA_WORD2, ib[3], ~0);
ac_dump_reg(f, R_413_CP_DMA_WORD3, ib[4], ~0);
ac_dump_reg(f, R_414_COMMAND, ib[5], ~0);
break;
case PKT3_DMA_DATA:
ac_dump_reg(f, R_500_DMA_DATA_WORD0, ib[1], ~0);
ac_dump_reg(f, R_501_SRC_ADDR_LO, ib[2], ~0);
ac_dump_reg(f, R_502_SRC_ADDR_HI, ib[3], ~0);
ac_dump_reg(f, R_503_DST_ADDR_LO, ib[4], ~0);
ac_dump_reg(f, R_504_DST_ADDR_HI, ib[5], ~0);
ac_dump_reg(f, R_414_COMMAND, ib[6], ~0);
break;
case PKT3_INDIRECT_BUFFER_SI:
case PKT3_INDIRECT_BUFFER_CONST:
case PKT3_INDIRECT_BUFFER_CIK:
ac_dump_reg(f, R_3F0_IB_BASE_LO, ib[1], ~0);
ac_dump_reg(f, R_3F1_IB_BASE_HI, ib[2], ~0);
ac_dump_reg(f, R_3F2_CONTROL, ib[3], ~0);
if (addr_callback) {
uint64_t addr = ((uint64_t)ib[2] << 32) | ib[1];
void *data = addr_callback(addr_callback_data, addr);
const char *name = G_3F2_CHAIN(ib[3]) ? "chained" : "nested";
if (data)
ac_parse_ib(f, data, G_3F2_IB_SIZE(ib[3]),
trace_id, name, chip_class,
addr_callback, addr_callback_data);
}
break;
case PKT3_CLEAR_STATE:
case PKT3_INCREMENT_DE_COUNTER:
case PKT3_PFP_SYNC_ME:
break;
case PKT3_NOP:
if (ib[0] == 0xffff1000) {
count = -1; /* One dword NOP. */
break;
} else if (count == 0 && AC_IS_TRACE_POINT(ib[1])) {
unsigned packet_id = AC_GET_TRACE_POINT_ID(ib[1]);
print_spaces(f, INDENT_PKT);
fprintf(f, COLOR_RED "Trace point ID: %u\n", packet_id);
if (trace_id == -1)
break; /* tracing was disabled */
print_spaces(f, INDENT_PKT);
if (packet_id < trace_id)
fprintf(f, COLOR_RED
"This trace point was reached by the CP."
COLOR_RESET "\n");
else if (packet_id == trace_id)
fprintf(f, COLOR_RED
"!!!!! This is the last trace point that "
"was reached by the CP !!!!!"
COLOR_RESET "\n");
else if (packet_id+1 == trace_id)
fprintf(f, COLOR_RED
"!!!!! This is the first trace point that "
"was NOT been reached by the CP !!!!!"
COLOR_RESET "\n");
else
fprintf(f, COLOR_RED
"!!!!! This trace point was NOT reached "
"by the CP !!!!!"
COLOR_RESET "\n");
break;
}
/* fall through, print all dwords */
default:
for (i = 0; i < count+1; i++) {
print_spaces(f, INDENT_PKT);
fprintf(f, "0x%08x\n", ib[1+i]);
}
}
ib += count + 2;
*num_dw -= count + 2;
return ib;
}
/**
* Parse and print an IB into a file.
*
* \param f file
* \param ib IB
* \param num_dw size of the IB
* \param chip_class chip class
* \param trace_id the last trace ID that is known to have been reached
* and executed by the CP, typically read from a buffer
* \param addr_callback Get a mapped pointer of the IB at a given address. Can
* be NULL.
* \param addr_callback_data user data for addr_callback
*/
void ac_parse_ib(FILE *f, uint32_t *ib, int num_dw, int trace_id,
const char *name, enum chip_class chip_class,
ac_debug_addr_callback addr_callback, void *addr_callback_data)
{
fprintf(f, "------------------ %s begin ------------------\n", name);
while (num_dw > 0) {
unsigned type = PKT_TYPE_G(ib[0]);
switch (type) {
case 3:
ib = ac_parse_packet3(f, ib, &num_dw, trace_id,
chip_class, addr_callback,
addr_callback_data);
break;
case 2:
/* type-2 nop */
if (ib[0] == 0x80000000) {
fprintf(f, COLOR_GREEN "NOP (type 2)" COLOR_RESET "\n");
ib++;
num_dw--;
break;
}
/* fall through */
default:
fprintf(f, "Unknown packet type %i\n", type);
return;
}
}
fprintf(f, "------------------- %s end -------------------\n", name);
if (num_dw < 0) {
printf("Packet ends after the end of IB.\n");
exit(0);
}
fprintf(f, "\n");
}