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rpi-vk-driver/brcm/clif/clif_dump.c

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/*
* Copyright © 2016 Broadcom
*
* 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.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "drm-uapi/v3d_drm.h"
#include "clif_dump.h"
#include "clif_private.h"
#include "../common/list.h"
#include "../common/ralloc.h"
#include "../cle/v3d_decoder.h"
struct reloc_worklist_entry *
clif_dump_add_address_to_worklist(struct clif_dump *clif,
enum reloc_worklist_type type,
uint32_t addr)
{
struct reloc_worklist_entry *entry =
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rzalloc(clif, struct reloc_worklist_entry);
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if (!entry)
return NULL;
entry->type = type;
entry->addr = addr;
list_addtail(&entry->link, &clif->worklist);
return entry;
}
struct clif_dump *
clif_dump_init(const struct v3d_device_info *devinfo,
FILE *out, bool pretty)
{
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struct clif_dump *clif = rzalloc(NULL, struct clif_dump);
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clif->devinfo = devinfo;
clif->out = out;
clif->spec = v3d_spec_load(devinfo);
clif->pretty = pretty;
list_inithead(&clif->worklist);
return clif;
}
void
clif_dump_destroy(struct clif_dump *clif)
{
ralloc_free(clif);
}
struct clif_bo *
clif_lookup_bo(struct clif_dump *clif, uint32_t addr)
{
for (int i = 0; i < clif->bo_count; i++) {
struct clif_bo *bo = &clif->bo[i];
if (addr >= bo->offset &&
addr < bo->offset + bo->size) {
return bo;
}
}
return NULL;
}
static bool
clif_lookup_vaddr(struct clif_dump *clif, uint32_t addr, void **vaddr)
{
struct clif_bo *bo = clif_lookup_bo(clif, addr);
if (!bo)
return false;
*vaddr = bo->vaddr + addr - bo->offset;
return true;
}
#define out_uint(_clif, field) out(_clif, " /* %s = */ %u\n", \
#field, values-> field);
static bool
clif_dump_packet(struct clif_dump *clif, uint32_t offset, const uint8_t *cl,
uint32_t *size, bool reloc_mode)
{
return 1;
/*if (clif->devinfo->ver >= 41)
return v3d41_clif_dump_packet(clif, offset, cl, size, reloc_mode);
else
return v3d33_clif_dump_packet(clif, offset, cl, size, reloc_mode);*/
}
static uint32_t
clif_dump_cl(struct clif_dump *clif, uint32_t start, uint32_t end,
bool reloc_mode)
{
struct clif_bo *bo = clif_lookup_bo(clif, start);
if (!bo) {
out(clif, "Failed to look up address 0x%08x\n",
start);
return 0;
}
void *start_vaddr = bo->vaddr + start - bo->offset;
/* The end address is optional (for example, a BRANCH instruction
* won't set an end), but is used for BCL/RCL termination.
*/
void *end_vaddr = NULL;
if (end && !clif_lookup_vaddr(clif, end, &end_vaddr)) {
out(clif, "Failed to look up address 0x%08x\n",
end);
return 0;
}
if (!reloc_mode)
out(clif, "@format ctrllist /* [%s+0x%08x] */\n",
bo->name, start - bo->offset);
uint32_t size;
uint8_t *cl = start_vaddr;
while (clif_dump_packet(clif, start, cl, &size, reloc_mode)) {
cl += size;
start += size;
if (cl == end_vaddr)
break;
}
return (void *)cl - bo->vaddr;
}
/* Walks the worklist, parsing the relocs for any memory regions that might
* themselves have additional relocations.
*/
static uint32_t
clif_dump_gl_shader_state_record(struct clif_dump *clif,
struct reloc_worklist_entry *reloc,
void *vaddr)
{
struct v3d_group *state = v3d_spec_find_struct(clif->spec,
"GL Shader State Record");
struct v3d_group *attr = v3d_spec_find_struct(clif->spec,
"GL Shader State Attribute Record");
assert(state);
assert(attr);
uint32_t offset = 0;
out(clif, "@format shadrec_gl_main\n");
v3d_print_group(clif, state, 0, vaddr + offset);
offset += v3d_group_get_length(state);
for (int i = 0; i < reloc->shader_state.num_attrs; i++) {
out(clif, "@format shadrec_gl_attr /* %d */\n", i);
v3d_print_group(clif, attr, 0, vaddr + offset);
offset += v3d_group_get_length(attr);
}
return offset;
}
static void
clif_process_worklist(struct clif_dump *clif)
{
list_for_each_entry_safe(struct reloc_worklist_entry, reloc,
&clif->worklist, link) {
void *vaddr;
if (!clif_lookup_vaddr(clif, reloc->addr, &vaddr)) {
out(clif, "Failed to look up address 0x%08x\n",
reloc->addr);
continue;
}
switch (reloc->type) {
case reloc_cl:
clif_dump_cl(clif, reloc->addr, reloc->cl.end, true);
break;
case reloc_gl_shader_state:
break;
case reloc_generic_tile_list:
clif_dump_cl(clif, reloc->addr,
reloc->generic_tile_list.end, true);
break;
}
}
}
static int
worklist_entry_compare(const void *a, const void *b)
{
return ((*(struct reloc_worklist_entry **)a)->addr -
(*(struct reloc_worklist_entry **)b)->addr);
}
static bool
clif_dump_if_blank(struct clif_dump *clif, struct clif_bo *bo,
uint32_t start, uint32_t end)
{
for (int i = start; i < end; i++) {
if (((uint8_t *)bo->vaddr)[i] != 0)
return false;
}
out(clif, "\n");
out(clif, "@format blank %d /* [%s+0x%08x..0x%08x] */\n", end - start,
bo->name, start, end - 1);
return true;
}
/* Dumps the binary data in the BO from start to end (relative to the start of
* the BO).
*/
static void
clif_dump_binary(struct clif_dump *clif, struct clif_bo *bo,
uint32_t start, uint32_t end)
{
if (start == end)
return;
if (clif_dump_if_blank(clif, bo, start, end))
return;
out(clif, "@format binary /* [%s+0x%08x] */\n",
bo->name, start);
uint32_t offset = start;
int dumped_in_line = 0;
while (offset < end) {
if (clif_dump_if_blank(clif, bo, offset, end))
return;
if (end - offset >= 4) {
out(clif, "0x%08x ", *(uint32_t *)(bo->vaddr + offset));
offset += 4;
} else {
out(clif, "0x%02x ", *(uint8_t *)(bo->vaddr + offset));
offset++;
}
if (++dumped_in_line == 8) {
out(clif, "\n");
dumped_in_line = 0;
}
}
if (dumped_in_line)
out(clif, "\n");
}
/* Walks the list of relocations, dumping each buffer's contents (using our
* codegenned dump routines for pretty printing, and most importantly proper
* address references so that the CLIF parser can relocate buffers).
*/
static void
clif_dump_buffers(struct clif_dump *clif)
{
int num_relocs = 0;
list_for_each_entry(struct reloc_worklist_entry, reloc,
&clif->worklist, link) {
num_relocs++;
}
struct reloc_worklist_entry **relocs =
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ralloc_array(clif, struct reloc_worklist_entry *, num_relocs);
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int i = 0;
list_for_each_entry(struct reloc_worklist_entry, reloc,
&clif->worklist, link) {
relocs[i++] = reloc;
}
qsort(relocs, num_relocs, sizeof(*relocs), worklist_entry_compare);
struct clif_bo *bo = NULL;
uint32_t offset = 0;
for (i = 0; i < num_relocs; i++) {
struct reloc_worklist_entry *reloc = relocs[i];
struct clif_bo *new_bo = clif_lookup_bo(clif, reloc->addr);
if (!new_bo) {
out(clif, "Failed to look up address 0x%08x\n",
reloc->addr);
continue;
}
if (new_bo != bo) {
if (bo) {
/* Finish out the last of the last BO. */
clif_dump_binary(clif, bo,
offset,
bo->size);
}
out(clif, "\n");
out(clif, "@buffer %s\n", new_bo->name);
bo = new_bo;
offset = 0;
bo->dumped = true;
}
int reloc_offset = reloc->addr - bo->offset;
if (offset != reloc_offset)
clif_dump_binary(clif, bo, offset, reloc_offset);
offset = reloc_offset;
switch (reloc->type) {
case reloc_cl:
offset = clif_dump_cl(clif, reloc->addr, reloc->cl.end,
false);
out(clif, "\n");
break;
case reloc_gl_shader_state:
offset += clif_dump_gl_shader_state_record(clif,
reloc,
bo->vaddr +
offset);
break;
case reloc_generic_tile_list:
offset = clif_dump_cl(clif, reloc->addr,
reloc->generic_tile_list.end,
false);
break;
}
out(clif, "\n");
}
if (bo) {
clif_dump_binary(clif, bo, offset, bo->size);
}
/* For any BOs that didn't have relocations, just dump them raw. */
for (int i = 0; i < clif->bo_count; i++) {
bo = &clif->bo[i];
if (bo->dumped)
continue;
out(clif, "@buffer %s\n", bo->name);
clif_dump_binary(clif, bo, 0, bo->size);
out(clif, "\n");
}
}
void
clif_dump_add_cl(struct clif_dump *clif, uint32_t start, uint32_t end)
{
struct reloc_worklist_entry *entry =
clif_dump_add_address_to_worklist(clif, reloc_cl, start);
entry->cl.end = end;
}
static int
clif_bo_offset_compare(const void *a, const void *b)
{
return ((struct clif_bo *)a)->offset - ((struct clif_bo *)b)->offset;
}
void
clif_dump(struct clif_dump *clif, const struct drm_v3d_submit_cl *submit)
{
clif_dump_add_cl(clif, submit->bcl_start, submit->bcl_end);
clif_dump_add_cl(clif, submit->rcl_start, submit->rcl_end);
qsort(clif->bo, clif->bo_count, sizeof(clif->bo[0]),
clif_bo_offset_compare);
/* A buffer needs to be defined before we can emit a CLIF address
* referencing it, so emit them all now.
*/
for (int i = 0; i < clif->bo_count; i++) {
out(clif, "@createbuf_aligned 4096 %s\n", clif->bo[i].name);
}
/* Walk the worklist figuring out the locations of structs based on
* the CL contents.
*/
clif_process_worklist(clif);
/* Dump the contents of the buffers using the relocations we found to
* pretty-print structures.
*/
clif_dump_buffers(clif);
out(clif, "@add_bin 0\n ");
out_address(clif, submit->bcl_start);
out(clif, "\n ");
out_address(clif, submit->bcl_end);
out(clif, "\n ");
out_address(clif, submit->qma);
out(clif, "\n %d\n ", submit->qms);
out_address(clif, submit->qts);
out(clif, "\n");
out(clif, "@wait_bin_all_cores\n");
out(clif, "@add_render 0\n ");
out_address(clif, submit->rcl_start);
out(clif, "\n ");
out_address(clif, submit->rcl_end);
out(clif, "\n ");
out_address(clif, submit->qma);
out(clif, "\n");
out(clif, "@wait_render_all_cores\n");
}
void
clif_dump_add_bo(struct clif_dump *clif, const char *name,
uint32_t offset, uint32_t size, void *vaddr)
{
if (clif->bo_count >= clif->bo_array_size) {
clif->bo_array_size = MAX2(4, clif->bo_array_size * 2);
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clif->bo = reralloc(clif, clif->bo, struct clif_bo,
clif->bo_array_size);
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}
/* CLIF relocs use the buffer name, so make sure they're unique. */
for (int i = 0; i < clif->bo_count; i++)
assert(strcmp(clif->bo[i].name, name) != 0);
clif->bo[clif->bo_count].name = ralloc_strdup(clif, name);
clif->bo[clif->bo_count].offset = offset;
clif->bo[clif->bo_count].size = size;
clif->bo[clif->bo_count].vaddr = vaddr;
clif->bo[clif->bo_count].dumped = false;
clif->bo_count++;
}