summaryrefslogtreecommitdiff
path: root/src/sna/kgem_debug.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/sna/kgem_debug.c')
-rw-r--r--src/sna/kgem_debug.c390
1 files changed, 390 insertions, 0 deletions
diff --git a/src/sna/kgem_debug.c b/src/sna/kgem_debug.c
new file mode 100644
index 00000000..0dcd7065
--- /dev/null
+++ b/src/sna/kgem_debug.c
@@ -0,0 +1,390 @@
+/*
+ * Copyright © 2007-2011 Intel Corporation
+ *
+ * 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.
+ *
+ * Authors:
+ * Eric Anholt <eric@anholt.net>
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <sys/mman.h>
+#include <assert.h>
+
+#include "sna.h"
+#include "sna_reg.h"
+
+#include "kgem_debug.h"
+
+struct drm_i915_gem_relocation_entry *
+kgem_debug_get_reloc_entry(struct kgem *kgem, uint32_t offset)
+{
+ int i;
+
+ offset *= sizeof(uint32_t);
+
+ for (i = 0; i < kgem->nreloc; i++)
+ if (kgem->reloc[i].offset == offset)
+ return kgem->reloc+i;
+
+ return NULL;
+}
+
+struct kgem_bo *
+kgem_debug_get_bo_for_reloc_entry(struct kgem *kgem,
+ struct drm_i915_gem_relocation_entry *reloc)
+{
+ struct kgem_bo *bo;
+
+ if (reloc == NULL)
+ return NULL;
+
+ list_for_each_entry(bo, &kgem->next_request->buffers, request)
+ if (bo->handle == reloc->target_handle && bo->proxy == NULL)
+ break;
+
+ assert(&bo->request != &kgem->next_request->buffers);
+
+ return bo;
+}
+
+static int kgem_debug_handle_is_fenced(struct kgem *kgem, uint32_t handle)
+{
+ int i;
+
+ for (i = 0; i < kgem->nexec; i++)
+ if (kgem->exec[i].handle == handle)
+ return kgem->exec[i].flags & EXEC_OBJECT_NEEDS_FENCE;
+
+ return 0;
+}
+
+void
+kgem_debug_print(const uint32_t *data,
+ uint32_t offset, unsigned int index,
+ char *fmt, ...)
+{
+ va_list va;
+ char buf[240];
+ int len;
+
+ len = snprintf(buf, sizeof(buf),
+ "0x%08x: 0x%08x: %s",
+ (offset + index) * 4,
+ data[index],
+ index == 0 ? "" : " ");
+
+ va_start(va, fmt);
+ vsnprintf(buf + len, sizeof(buf) - len, fmt, va);
+ va_end(va);
+
+ ErrorF("%s", buf);
+}
+
+static int
+decode_nop(struct kgem *kgem, uint32_t offset)
+{
+ uint32_t *data = kgem->batch + offset;
+ kgem_debug_print(data, offset, 0, "UNKNOWN\n");
+ assert(0);
+ return 1;
+}
+
+static int
+decode_mi(struct kgem *kgem, uint32_t offset)
+{
+ static const struct {
+ uint32_t opcode;
+ int len_mask;
+ int min_len;
+ int max_len;
+ const char *name;
+ } opcodes[] = {
+ { 0x08, 0, 1, 1, "MI_ARB_ON_OFF" },
+ { 0x0a, 0, 1, 1, "MI_BATCH_BUFFER_END" },
+ { 0x30, 0x3f, 3, 3, "MI_BATCH_BUFFER" },
+ { 0x31, 0x3f, 2, 2, "MI_BATCH_BUFFER_START" },
+ { 0x14, 0x3f, 3, 3, "MI_DISPLAY_BUFFER_INFO" },
+ { 0x04, 0, 1, 1, "MI_FLUSH" },
+ { 0x22, 0x1f, 3, 3, "MI_LOAD_REGISTER_IMM" },
+ { 0x13, 0x3f, 2, 2, "MI_LOAD_SCAN_LINES_EXCL" },
+ { 0x12, 0x3f, 2, 2, "MI_LOAD_SCAN_LINES_INCL" },
+ { 0x00, 0, 1, 1, "MI_NOOP" },
+ { 0x11, 0x3f, 2, 2, "MI_OVERLAY_FLIP" },
+ { 0x07, 0, 1, 1, "MI_REPORT_HEAD" },
+ { 0x18, 0x3f, 2, 2, "MI_SET_CONTEXT" },
+ { 0x20, 0x3f, 3, 4, "MI_STORE_DATA_IMM" },
+ { 0x21, 0x3f, 3, 4, "MI_STORE_DATA_INDEX" },
+ { 0x24, 0x3f, 3, 3, "MI_STORE_REGISTER_MEM" },
+ { 0x02, 0, 1, 1, "MI_USER_INTERRUPT" },
+ { 0x03, 0, 1, 1, "MI_WAIT_FOR_EVENT" },
+ { 0x16, 0x7f, 3, 3, "MI_SEMAPHORE_MBOX" },
+ { 0x26, 0x1f, 3, 4, "MI_FLUSH_DW" },
+ { 0x0b, 0, 1, 1, "MI_SUSPEND_FLUSH" },
+ };
+ uint32_t *data = kgem->batch + offset;
+ int op;
+
+ for (op = 0; op < ARRAY_SIZE(opcodes); op++) {
+ if ((data[0] & 0x1f800000) >> 23 == opcodes[op].opcode) {
+ unsigned int len = 1, i;
+
+ kgem_debug_print(data, offset, 0, "%s\n", opcodes[op].name);
+ if (opcodes[op].max_len > 1) {
+ len = (data[0] & opcodes[op].len_mask) + 2;
+ if (len < opcodes[op].min_len ||
+ len > opcodes[op].max_len)
+ {
+ ErrorF("Bad length (%d) in %s, [%d, %d]\n",
+ len, opcodes[op].name,
+ opcodes[op].min_len,
+ opcodes[op].max_len);
+ assert(0);
+ }
+ }
+
+ for (i = 1; i < len; i++)
+ kgem_debug_print(data, offset, i, "dword %d\n", i);
+
+ return len;
+ }
+ }
+
+ kgem_debug_print(data, offset, 0, "MI UNKNOWN\n");
+ assert(0);
+ return 1;
+}
+
+static int
+decode_2d(struct kgem *kgem, uint32_t offset)
+{
+ static const struct {
+ uint32_t opcode;
+ int min_len;
+ int max_len;
+ const char *name;
+ } opcodes[] = {
+ { 0x40, 5, 5, "COLOR_BLT" },
+ { 0x43, 6, 6, "SRC_COPY_BLT" },
+ { 0x01, 8, 8, "XY_SETUP_BLT" },
+ { 0x11, 9, 9, "XY_SETUP_MONO_PATTERN_SL_BLT" },
+ { 0x03, 3, 3, "XY_SETUP_CLIP_BLT" },
+ { 0x24, 2, 2, "XY_PIXEL_BLT" },
+ { 0x25, 3, 3, "XY_SCANLINES_BLT" },
+ { 0x26, 4, 4, "Y_TEXT_BLT" },
+ { 0x31, 5, 134, "XY_TEXT_IMMEDIATE_BLT" },
+ { 0x50, 6, 6, "XY_COLOR_BLT" },
+ { 0x51, 6, 6, "XY_PAT_BLT" },
+ { 0x76, 8, 8, "XY_PAT_CHROMA_BLT" },
+ { 0x72, 7, 135, "XY_PAT_BLT_IMMEDIATE" },
+ { 0x77, 9, 137, "XY_PAT_CHROMA_BLT_IMMEDIATE" },
+ { 0x52, 9, 9, "XY_MONO_PAT_BLT" },
+ { 0x59, 7, 7, "XY_MONO_PAT_FIXED_BLT" },
+ { 0x53, 8, 8, "XY_SRC_COPY_BLT" },
+ { 0x54, 8, 8, "XY_MONO_SRC_COPY_BLT" },
+ { 0x71, 9, 137, "XY_MONO_SRC_COPY_IMMEDIATE_BLT" },
+ { 0x55, 9, 9, "XY_FULL_BLT" },
+ { 0x55, 9, 137, "XY_FULL_IMMEDIATE_PATTERN_BLT" },
+ { 0x56, 9, 9, "XY_FULL_MONO_SRC_BLT" },
+ { 0x75, 10, 138, "XY_FULL_MONO_SRC_IMMEDIATE_PATTERN_BLT" },
+ { 0x57, 12, 12, "XY_FULL_MONO_PATTERN_BLT" },
+ { 0x58, 12, 12, "XY_FULL_MONO_PATTERN_MONO_SRC_BLT" },
+ };
+
+ unsigned int op, len;
+ char *format = NULL;
+ uint32_t *data = kgem->batch + offset;
+ struct drm_i915_gem_relocation_entry *reloc;
+
+ /* Special case the two most common ops that we detail in full */
+ switch ((data[0] & 0x1fc00000) >> 22) {
+ case 0x50:
+ kgem_debug_print(data, offset, 0,
+ "XY_COLOR_BLT (rgb %sabled, alpha %sabled, dst tile %d)\n",
+ (data[0] & (1 << 20)) ? "en" : "dis",
+ (data[0] & (1 << 21)) ? "en" : "dis",
+ (data[0] >> 11) & 1);
+
+ len = (data[0] & 0x000000ff) + 2;
+ assert(len == 6);
+
+ switch ((data[1] >> 24) & 0x3) {
+ case 0:
+ format="8";
+ break;
+ case 1:
+ format="565";
+ break;
+ case 2:
+ format="1555";
+ break;
+ case 3:
+ format="8888";
+ break;
+ }
+
+ kgem_debug_print(data, offset, 1, "format %s, pitch %d, "
+ "clipping %sabled\n", format,
+ (short)(data[1] & 0xffff),
+ data[1] & (1 << 30) ? "en" : "dis");
+ kgem_debug_print(data, offset, 2, "(%d,%d)\n",
+ data[2] & 0xffff, data[2] >> 16);
+ kgem_debug_print(data, offset, 3, "(%d,%d)\n",
+ data[3] & 0xffff, data[3] >> 16);
+ reloc = kgem_debug_get_reloc_entry(kgem, offset+4);
+ assert(reloc);
+ kgem_debug_print(data, offset, 4, "dst offset 0x%08x [handle=%d, delta=%d, read=%x, write=%x (fenced? %d)]\n",
+ data[4],
+ reloc->target_handle, reloc->delta,
+ reloc->read_domains, reloc->write_domain,
+ kgem_debug_handle_is_fenced(kgem, reloc->target_handle));
+ kgem_debug_print(data, offset, 5, "color\n");
+ return len;
+
+ case 0x53:
+ kgem_debug_print(data, offset, 0,
+ "XY_SRC_COPY_BLT (rgb %sabled, alpha %sabled, "
+ "src tile %d, dst tile %d)\n",
+ (data[0] & (1 << 20)) ? "en" : "dis",
+ (data[0] & (1 << 21)) ? "en" : "dis",
+ (data[0] >> 15) & 1,
+ (data[0] >> 11) & 1);
+
+ len = (data[0] & 0x000000ff) + 2;
+ assert(len == 8);
+
+ switch ((data[1] >> 24) & 0x3) {
+ case 0:
+ format="8";
+ break;
+ case 1:
+ format="565";
+ break;
+ case 2:
+ format="1555";
+ break;
+ case 3:
+ format="8888";
+ break;
+ }
+
+ kgem_debug_print(data, offset, 1, "format %s, dst pitch %d, "
+ "clipping %sabled\n", format,
+ (short)(data[1] & 0xffff),
+ data[1] & (1 << 30) ? "en" : "dis");
+ kgem_debug_print(data, offset, 2, "dst (%d,%d)\n",
+ data[2] & 0xffff, data[2] >> 16);
+ kgem_debug_print(data, offset, 3, "dst (%d,%d)\n",
+ data[3] & 0xffff, data[3] >> 16);
+ reloc = kgem_debug_get_reloc_entry(kgem, offset+4);
+ assert(reloc);
+ kgem_debug_print(data, offset, 4, "dst offset 0x%08x [handle=%d, delta=%d, read=%x, write=%x, (fenced? %d)]\n",
+ data[4],
+ reloc->target_handle, reloc->delta,
+ reloc->read_domains, reloc->write_domain,
+ kgem_debug_handle_is_fenced(kgem, reloc->target_handle));
+ kgem_debug_print(data, offset, 5, "src (%d,%d)\n",
+ data[5] & 0xffff, data[5] >> 16);
+ kgem_debug_print(data, offset, 6, "src pitch %d\n",
+ (short)(data[6] & 0xffff));
+ reloc = kgem_debug_get_reloc_entry(kgem, offset+7);
+ assert(reloc);
+ kgem_debug_print(data, offset, 7, "src offset 0x%08x [handle=%d, delta=%d, read=%x, write=%x (fenced? %d)]\n",
+ data[7],
+ reloc->target_handle, reloc->delta,
+ reloc->read_domains, reloc->write_domain,
+ kgem_debug_handle_is_fenced(kgem, reloc->target_handle));
+ return len;
+ }
+
+ for (op = 0; op < ARRAY_SIZE(opcodes); op++) {
+ if ((data[0] & 0x1fc00000) >> 22 == opcodes[op].opcode) {
+ unsigned int i;
+
+ len = 1;
+ kgem_debug_print(data, offset, 0, "%s\n", opcodes[op].name);
+ if (opcodes[op].max_len > 1) {
+ len = (data[0] & 0x000000ff) + 2;
+ assert(len >= opcodes[op].min_len &&
+ len <= opcodes[op].max_len);
+ }
+
+ for (i = 1; i < len; i++)
+ kgem_debug_print(data, offset, i, "dword %d\n", i);
+
+ return len;
+ }
+ }
+
+ kgem_debug_print(data, offset, 0, "2D UNKNOWN\n");
+ assert(0);
+ return 1;
+}
+
+static int (*decode_3d(int gen))(struct kgem*, uint32_t)
+{
+ if (gen >= 60) {
+ return kgem_gen6_decode_3d;
+ } else if (gen >= 50) {
+ return kgem_gen5_decode_3d;
+ } else if (gen >= 40) {
+ return kgem_gen4_decode_3d;
+ } else if (gen >= 30) {
+ return kgem_gen3_decode_3d;
+ }
+ assert(0);
+}
+
+static void (*finish_state(int gen))(struct kgem*)
+{
+ if (gen >= 60) {
+ return kgem_gen6_finish_state;
+ } else if (gen >= 50) {
+ return kgem_gen5_finish_state;
+ } else if (gen >= 40) {
+ return kgem_gen4_finish_state;
+ } else if (gen >= 30) {
+ return kgem_gen3_finish_state;
+ }
+ assert(0);
+}
+
+void __kgem_batch_debug(struct kgem *kgem, uint32_t nbatch)
+{
+ int (*const decode[])(struct kgem *, uint32_t) = {
+ decode_mi,
+ decode_nop,
+ decode_2d,
+ decode_3d(kgem->gen),
+ };
+ uint32_t offset = 0;
+
+ while (offset < nbatch) {
+ int class = (kgem->batch[offset] & 0xe0000000) >> 29;
+ assert(class < ARRAY_SIZE(decode));
+ offset += decode[class](kgem, offset);
+ }
+
+ finish_state(kgem->gen)(kgem);
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-04-27 01:26:57 +0000