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radeonsi: add an IB parser

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Acked-by: Christian König <christian.koenig@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Marek Olšák
2015-08-15 23:57:22 +02:00
parent be6dc87776
commit 61df4f0cd3
1 changed files with 245 additions and 0 deletions
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src/gallium/drivers/radeonsi/si_debug.c
+245
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@@ -27,6 +27,7 @@
#include "si_pipe.h"
#include "si_shader.h"
#include "sid.h"
#include "sid_tables.h"
static void si_dump_shader(struct si_shader_selector *sel, const char *name,
@@ -40,6 +41,243 @@ static void si_dump_shader(struct si_shader_selector *sel, const char *name,
fprintf(f, "%s\n\n", sel->current->binary.disasm_string);
}
/* 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))
fprintf(file, "%u\n", value);
else {
float f = uif(value);
if (fabs(f) < 100000 && f*10 == floor(f*10))
fprintf(file, "%.1ff\n", f);
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);
}
static void si_dump_reg(FILE *file, unsigned offset, uint32_t value,
uint32_t field_mask)
{
int r, f;
for (r = 0; r < ARRAY_SIZE(reg_table); r++) {
const struct si_reg *reg = &reg_table[r];
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 = &reg->fields[f];
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 = ", field->name);
if (val < field->num_values && field->values[val])
fprintf(file, "%s\n", field->values[val]);
else
print_value(file, val,
util_bitcount(field->mask));
first_field = false;
}
return;
}
}
fprintf(file, COLOR_YELLOW "0x%05x" COLOR_RESET " = 0x%08x", offset, value);
}
static void si_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++)
si_dump_reg(f, reg + i*4, ib[2+i], ~0);
}
static uint32_t *si_parse_packet3(FILE *f, uint32_t *ib, int *num_dw)
{
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))
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",
packet3_table[i].name, predicate);
else
fprintf(f, COLOR_GREEN "%s%s" COLOR_RESET ":\n",
packet3_table[i].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:
si_parse_set_reg_packet(f, ib, count, SI_CONTEXT_REG_OFFSET);
break;
case PKT3_SET_CONFIG_REG:
si_parse_set_reg_packet(f, ib, count, SI_CONFIG_REG_OFFSET);
break;
case PKT3_SET_UCONFIG_REG:
si_parse_set_reg_packet(f, ib, count, CIK_UCONFIG_REG_OFFSET);
break;
case PKT3_SET_SH_REG:
si_parse_set_reg_packet(f, ib, count, SI_SH_REG_OFFSET);
break;
case PKT3_DRAW_PREAMBLE:
si_dump_reg(f, R_030908_VGT_PRIMITIVE_TYPE, ib[1], ~0);
si_dump_reg(f, R_028AA8_IA_MULTI_VGT_PARAM, ib[2], ~0);
si_dump_reg(f, R_028B58_VGT_LS_HS_CONFIG, ib[3], ~0);
break;
case PKT3_ACQUIRE_MEM:
si_dump_reg(f, R_0301F0_CP_COHER_CNTL, ib[1], ~0);
si_dump_reg(f, R_0301F4_CP_COHER_SIZE, ib[2], ~0);
si_dump_reg(f, R_030230_CP_COHER_SIZE_HI, ib[3], ~0);
si_dump_reg(f, R_0301F8_CP_COHER_BASE, ib[4], ~0);
si_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:
si_dump_reg(f, R_0085F0_CP_COHER_CNTL, ib[1], ~0);
si_dump_reg(f, R_0085F4_CP_COHER_SIZE, ib[2], ~0);
si_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:
si_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:
si_dump_reg(f, R_030930_VGT_NUM_INDICES, ib[1], ~0);
si_dump_reg(f, R_0287F0_VGT_DRAW_INITIATOR, ib[2], ~0);
break;
case PKT3_DRAW_INDEX_2:
si_dump_reg(f, R_028A78_VGT_DMA_MAX_SIZE, ib[1], ~0);
si_dump_reg(f, R_0287E8_VGT_DMA_BASE, ib[2], ~0);
si_dump_reg(f, R_0287E4_VGT_DMA_BASE_HI, ib[3], ~0);
si_dump_reg(f, R_030930_VGT_NUM_INDICES, ib[4], ~0);
si_dump_reg(f, R_0287F0_VGT_DRAW_INITIATOR, ib[5], ~0);
break;
case PKT3_INDEX_TYPE:
si_dump_reg(f, R_028A7C_VGT_DMA_INDEX_TYPE, ib[1], ~0);
break;
case PKT3_NUM_INSTANCES:
si_dump_reg(f, R_030934_VGT_NUM_INSTANCES, ib[1], ~0);
break;
case PKT3_NOP:
if (ib[0] == 0xffff1000) {
count = -1; /* One dword NOP. */
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;
}
static void si_parse_ib(FILE *f, uint32_t *ib, int num_dw)
{
fprintf(f, "------------------ IB begin ------------------\n");
while (num_dw > 0) {
unsigned type = PKT_TYPE_G(ib[0]);
switch (type) {
case 3:
ib = si_parse_packet3(f, ib, &num_dw);
break;
case 2:
/* type-2 nop */
if (ib[0] == 0x80000000) {
fprintf(f, COLOR_GREEN "NOP (type 2)" COLOR_RESET "\n");
ib++;
break;
}
/* fall through */
default:
fprintf(f, "Unknown packet type %i\n", type);
return;
}
}
fprintf(f, "------------------- IB end -------------------\n");
if (num_dw < 0) {
printf("Packet ends after the end of IB.\n");
exit(0);
}
}
static void si_dump_debug_state(struct pipe_context *ctx, FILE *f,
unsigned flags)
{
@@ -50,6 +288,13 @@ static void si_dump_debug_state(struct pipe_context *ctx, FILE *f,
si_dump_shader(sctx->tes_shader, "Tessellation evaluation", f);
si_dump_shader(sctx->gs_shader, "Geometry", f);
si_dump_shader(sctx->ps_shader, "Fragment", f);
if (sctx->last_ib) {
si_parse_ib(f, sctx->last_ib, sctx->last_ib_dw_size);
free(sctx->last_ib); /* dump only once */
sctx->last_ib = NULL;
}
fprintf(f, "Done.\n");
}