--- /dev/null
+/*
+ * 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 "r600_pipe.h"
+#include "evergreend.h"
+
+#include "egd_tables.h"
+
+#define AC_IS_TRACE_POINT(x) (((x) & 0xcafe0000) == 0xcafe0000)
+#define AC_GET_TRACE_POINT_ID(x) ((x) & 0xffff)
+
+/* 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
+
+typedef void *(*ac_debug_addr_callback)(void *data, uint64_t addr);
+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);
+}
+
+static void eg_dump_reg(FILE *file, unsigned offset, uint32_t value,
+ uint32_t field_mask)
+{
+ int r, f;
+
+ for (r = 0; r < ARRAY_SIZE(egd_reg_table); r++) {
+ const struct eg_reg *reg = &egd_reg_table[r];
+ const char *reg_name = egd_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 eg_field *field = egd_fields_table + reg->fields_offset + f;
+ const int *values_offsets = egd_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 = ", egd_strings + field->name_offset);
+
+ if (val < field->num_values && values_offsets[val] >= 0)
+ fprintf(file, "%s\n", egd_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++)
+ eg_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 = egd_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, EVERGREEN_CONTEXT_REG_OFFSET);
+ break;
+ case PKT3_SET_CONFIG_REG:
+ ac_parse_set_reg_packet(f, ib, count, EVERGREEN_CONFIG_REG_OFFSET);
+ break;
+ case PKT3_SURFACE_SYNC:
+ eg_dump_reg(f, R_0085F0_CP_COHER_CNTL, ib[1], ~0);
+ eg_dump_reg(f, R_0085F4_CP_COHER_SIZE, ib[2], ~0);
+ eg_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:
+ /* TODO dump VGT_EVENT_INITIATOR */
+#if 0
+ eg_dump_reg(f, R_028A90_VGT_EVENT_INITIATOR, ib[1],
+ S_028A90_EVENT_TYPE(~0));
+#endif
+ 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:
+ eg_dump_reg(f, R_008970_VGT_NUM_INDICES, ib[1], ~0);
+ eg_dump_reg(f, R_0287F0_VGT_DRAW_INITIATOR, ib[2], ~0);
+ break;
+ case PKT3_DRAW_INDEX_2:
+ eg_dump_reg(f, R_028A78_VGT_DMA_MAX_SIZE, ib[1], ~0);
+ eg_dump_reg(f, R_0287E8_VGT_DMA_BASE, ib[2], ~0);
+ eg_dump_reg(f, R_0287E4_VGT_DMA_BASE_HI, ib[3], ~0);
+ eg_dump_reg(f, R_008970_VGT_NUM_INDICES, ib[4], ~0);
+ eg_dump_reg(f, R_0287F0_VGT_DRAW_INITIATOR, ib[5], ~0);
+ break;
+ case PKT3_INDEX_TYPE:
+ eg_dump_reg(f, R_028A7C_VGT_DMA_INDEX_TYPE, ib[1], ~0);
+ break;
+ case PKT3_NUM_INSTANCES:
+ eg_dump_reg(f, R_028A88_VGT_NUM_INSTANCES, ib[1], ~0);
+ break;
+ case PKT3_INDIRECT_BUFFER:
+ break;
+ 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
+ */
+static void eg_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");
+}
+
+static void eg_dump_last_ib(struct r600_context *rctx, FILE *f)
+{
+ int last_trace_id = -1;
+
+ if (!rctx->last_gfx.ib)
+ return;
+
+ if (rctx->last_trace_buf) {
+ /* We are expecting that the ddebug pipe has already
+ * waited for the context, so this buffer should be idle.
+ * If the GPU is hung, there is no point in waiting for it.
+ */
+ uint32_t *map = rctx->b.ws->buffer_map(rctx->last_trace_buf->buf,
+ NULL,
+ PIPE_TRANSFER_UNSYNCHRONIZED |
+ PIPE_TRANSFER_READ);
+ if (map)
+ last_trace_id = *map;
+ }
+
+ eg_parse_ib(f, rctx->last_gfx.ib, rctx->last_gfx.num_dw,
+ last_trace_id, "IB", rctx->b.chip_class,
+ NULL, NULL);
+}
+
+
+void eg_dump_debug_state(struct pipe_context *ctx, FILE *f,
+ unsigned flags)
+{
+ struct r600_context *rctx = (struct r600_context*)ctx;
+
+ eg_dump_last_ib(rctx, f);
+
+ fprintf(f, "Done.\n");
+
+ /* dump only once */
+ radeon_clear_saved_cs(&rctx->last_gfx);
+ r600_resource_reference(&rctx->last_trace_buf, NULL);
+}
projects / mesa.git / blobdiff