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path: root/src/broadcom/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 "clif_dump.h"
#include "clif_private.h"
#include "util/list.h"
#include "util/ralloc.h"

#include "broadcom/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 =
                rzalloc(clif, struct reloc_worklist_entry);
        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)
{
        struct clif_dump *clif = rzalloc(NULL, struct clif_dump);

        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)
{
        if (clif->devinfo->ver >= 41)
                return v3d41_clif_dump_packet(clif, offset, cl, size);
        else
                return v3d33_clif_dump_packet(clif, offset, cl, size);
}

static void
clif_dump_cl(struct clif_dump *clif, uint32_t start, uint32_t end)
{
        void *start_vaddr;
        if (!clif_lookup_vaddr(clif, start, &start_vaddr)) {
                out(clif, "Failed to look up address 0x%08x\n",
                    start);
                return;
        }

        /* 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;
        }

        out(clif, "@format ctrllist\n");

        uint32_t size;
        uint8_t *cl = start_vaddr;
        while (clif_dump_packet(clif, start, cl, &size)) {
                cl += size;
                start += size;

                if (cl == end_vaddr)
                        break;
        }
}

static void
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);

        out(clif, "@format shadrec_gl_main\n");
        v3d_print_group(clif, state, 0, vaddr);
        vaddr += 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);
                vaddr += v3d_group_get_length(attr);
        }
}

static void
clif_process_worklist(struct clif_dump *clif)
{
        while (!list_empty(&clif->worklist)) {
                struct reloc_worklist_entry *reloc =
                        list_first_entry(&clif->worklist,
                                         struct reloc_worklist_entry, link);
                list_del(&reloc->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);
                        out(clif, "\n");
                        break;

                case reloc_gl_shader_state:
                        clif_dump_gl_shader_state_record(clif,
                                                         reloc,
                                                         vaddr);
                        break;
                case reloc_generic_tile_list:
                        clif_dump_cl(clif, reloc->addr,
                                     reloc->generic_tile_list.end);
                        break;
                }
                out(clif, "\n");
        }
}

void clif_dump(struct clif_dump *clif)
{
        clif_process_worklist(clif);
}

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;
}

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);
                clif->bo = reralloc(clif, clif->bo, struct clif_bo,
                                    clif->bo_array_size);
        }

        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_count++;
}