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|
/*
* Copyright © 2016 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.
*/
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <stdbool.h>
#include <getopt.h>
#include <unistd.h>
#include <fcntl.h>
#include <string.h>
#include <signal.h>
#include <errno.h>
#include <inttypes.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/wait.h>
#include <sys/mman.h>
#include "util/list.h"
#include "util/macros.h"
#include "util/rb_tree.h"
#include "common/gen_decoder.h"
#include "common/gen_disasm.h"
#include "common/gen_gem.h"
#include "intel_aub.h"
#ifndef HAVE_MEMFD_CREATE
#include <sys/syscall.h>
static inline int
memfd_create(const char *name, unsigned int flags)
{
return syscall(SYS_memfd_create, name, flags);
}
#endif
/* Below is the only command missing from intel_aub.h in libdrm
* So, reuse intel_aub.h from libdrm and #define the
* AUB_MI_BATCH_BUFFER_END as below
*/
#define AUB_MI_BATCH_BUFFER_END (0x0500 << 16)
#define CSI "\e["
#define BLUE_HEADER CSI "0;44m"
#define GREEN_HEADER CSI "1;42m"
#define NORMAL CSI "0m"
/* options */
static int option_full_decode = true;
static int option_print_offsets = true;
static int max_vbo_lines = -1;
static enum { COLOR_AUTO, COLOR_ALWAYS, COLOR_NEVER } option_color;
/* state */
uint16_t pci_id = 0;
char *input_file = NULL, *xml_path = NULL;
struct gen_device_info devinfo;
struct gen_batch_decode_ctx batch_ctx;
struct bo_map {
struct list_head link;
struct gen_batch_decode_bo bo;
bool unmap_after_use;
};
struct ggtt_entry {
struct rb_node node;
uint64_t virt_addr;
uint64_t phys_addr;
};
struct phys_mem {
struct rb_node node;
uint64_t fd_offset;
uint64_t phys_addr;
uint8_t *data;
};
static struct list_head maps;
static struct rb_tree ggtt = {NULL};
static struct rb_tree mem = {NULL};
int mem_fd = -1;
off_t mem_fd_len = 0;
FILE *outfile;
struct brw_instruction;
static void
add_gtt_bo_map(struct gen_batch_decode_bo bo, bool unmap_after_use)
{
struct bo_map *m = calloc(1, sizeof(*m));
m->bo = bo;
m->unmap_after_use = unmap_after_use;
list_add(&m->link, &maps);
}
static void
clear_bo_maps(void)
{
list_for_each_entry_safe(struct bo_map, i, &maps, link) {
if (i->unmap_after_use)
munmap((void *)i->bo.map, i->bo.size);
list_del(&i->link);
free(i);
}
}
static inline struct ggtt_entry *
ggtt_entry_next(struct ggtt_entry *entry)
{
if (!entry)
return NULL;
struct rb_node *node = rb_node_next(&entry->node);
if (!node)
return NULL;
return rb_node_data(struct ggtt_entry, node, node);
}
static inline int
cmp_uint64(uint64_t a, uint64_t b)
{
if (a < b)
return -1;
if (a > b)
return 1;
return 0;
}
static inline int
cmp_ggtt_entry(const struct rb_node *node, const void *addr)
{
struct ggtt_entry *entry = rb_node_data(struct ggtt_entry, node, node);
return cmp_uint64(entry->virt_addr, *(const uint64_t *)addr);
}
static struct ggtt_entry *
ensure_ggtt_entry(struct rb_tree *tree, uint64_t virt_addr)
{
struct rb_node *node = rb_tree_search_sloppy(&ggtt, &virt_addr,
cmp_ggtt_entry);
int cmp = 0;
if (!node || (cmp = cmp_ggtt_entry(node, &virt_addr))) {
struct ggtt_entry *new_entry = calloc(1, sizeof(*new_entry));
new_entry->virt_addr = virt_addr;
rb_tree_insert_at(&ggtt, node, &new_entry->node, cmp > 0);
node = &new_entry->node;
}
return rb_node_data(struct ggtt_entry, node, node);
}
static struct ggtt_entry *
search_ggtt_entry(uint64_t virt_addr)
{
virt_addr &= ~0xfff;
struct rb_node *node = rb_tree_search(&ggtt, &virt_addr, cmp_ggtt_entry);
if (!node)
return NULL;
return rb_node_data(struct ggtt_entry, node, node);
}
static inline int
cmp_phys_mem(const struct rb_node *node, const void *addr)
{
struct phys_mem *mem = rb_node_data(struct phys_mem, node, node);
return cmp_uint64(mem->phys_addr, *(uint64_t *)addr);
}
static struct phys_mem *
ensure_phys_mem(uint64_t phys_addr)
{
struct rb_node *node = rb_tree_search_sloppy(&mem, &phys_addr, cmp_phys_mem);
int cmp = 0;
if (!node || (cmp = cmp_phys_mem(node, &phys_addr))) {
struct phys_mem *new_mem = calloc(1, sizeof(*new_mem));
new_mem->phys_addr = phys_addr;
new_mem->fd_offset = mem_fd_len;
MAYBE_UNUSED int ftruncate_res = ftruncate(mem_fd, mem_fd_len += 4096);
assert(ftruncate_res == 0);
new_mem->data = mmap(NULL, 4096, PROT_READ | PROT_WRITE, MAP_SHARED,
mem_fd, new_mem->fd_offset);
assert(new_mem->data != MAP_FAILED);
rb_tree_insert_at(&mem, node, &new_mem->node, cmp > 0);
node = &new_mem->node;
}
return rb_node_data(struct phys_mem, node, node);
}
static struct phys_mem *
search_phys_mem(uint64_t phys_addr)
{
phys_addr &= ~0xfff;
struct rb_node *node = rb_tree_search(&mem, &phys_addr, cmp_phys_mem);
if (!node)
return NULL;
return rb_node_data(struct phys_mem, node, node);
}
static void
handle_ggtt_entry_write(uint64_t address, const void *_data, uint32_t _size)
{
uint64_t virt_addr = (address / sizeof(uint64_t)) << 12;
const uint64_t *data = _data;
size_t size = _size / sizeof(*data);
for (const uint64_t *entry = data;
entry < data + size;
entry++, virt_addr += 4096) {
struct ggtt_entry *pt = ensure_ggtt_entry(&ggtt, virt_addr);
pt->phys_addr = *entry;
}
}
static void
handle_physical_write(uint64_t phys_address, const void *data, uint32_t size)
{
uint32_t to_write = size;
for (uint64_t page = phys_address & ~0xfff; page < phys_address + size; page += 4096) {
struct phys_mem *mem = ensure_phys_mem(page);
uint64_t offset = MAX2(page, phys_address) - page;
uint32_t size_this_page = MIN2(to_write, 4096 - offset);
to_write -= size_this_page;
memcpy(mem->data + offset, data, size_this_page);
data = (const uint8_t *)data + size_this_page;
}
}
static void
handle_ggtt_write(uint64_t virt_address, const void *data, uint32_t size)
{
uint32_t to_write = size;
for (uint64_t page = virt_address & ~0xfff; page < virt_address + size; page += 4096) {
struct ggtt_entry *entry = search_ggtt_entry(page);
assert(entry && entry->phys_addr & 0x1);
uint64_t offset = MAX2(page, virt_address) - page;
uint32_t size_this_page = MIN2(to_write, 4096 - offset);
to_write -= size_this_page;
uint64_t phys_page = entry->phys_addr & ~0xfff; /* Clear the validity bits. */
handle_physical_write(phys_page + offset, data, size_this_page);
data = (const uint8_t *)data + size_this_page;
}
}
static struct gen_batch_decode_bo
get_ggtt_batch_bo(void *user_data, uint64_t address)
{
struct gen_batch_decode_bo bo = {0};
list_for_each_entry(struct bo_map, i, &maps, link)
if (i->bo.addr <= address && i->bo.addr + i->bo.size > address)
return i->bo;
address &= ~0xfff;
struct ggtt_entry *start =
(struct ggtt_entry *)rb_tree_search_sloppy(&ggtt, &address,
cmp_ggtt_entry);
if (start && start->virt_addr < address)
start = ggtt_entry_next(start);
if (!start)
return bo;
struct ggtt_entry *last = start;
for (struct ggtt_entry *i = ggtt_entry_next(last);
i && last->virt_addr + 4096 == i->virt_addr;
last = i, i = ggtt_entry_next(last))
;
bo.addr = MIN2(address, start->virt_addr);
bo.size = last->virt_addr - bo.addr + 4096;
bo.map = mmap(NULL, bo.size, PROT_READ, MAP_SHARED | MAP_ANONYMOUS, -1, 0);
assert(bo.map != MAP_FAILED);
for (struct ggtt_entry *i = start;
i;
i = i == last ? NULL : ggtt_entry_next(i)) {
uint64_t phys_addr = i->phys_addr & ~0xfff;
struct phys_mem *phys_mem = search_phys_mem(phys_addr);
if (!phys_mem)
continue;
uint32_t map_offset = i->virt_addr - address;
void *res = mmap((uint8_t *)bo.map + map_offset, 4096, PROT_READ,
MAP_SHARED | MAP_FIXED, mem_fd, phys_mem->fd_offset);
assert(res != MAP_FAILED);
}
add_gtt_bo_map(bo, true);
return bo;
}
static struct phys_mem *
ppgtt_walk(uint64_t pml4, uint64_t address)
{
uint64_t shift = 39;
uint64_t addr = pml4;
for (int level = 4; level > 0; level--) {
struct phys_mem *table = search_phys_mem(addr);
if (!table)
return NULL;
int index = (address >> shift) & 0x1ff;
uint64_t entry = ((uint64_t *)table->data)[index];
if (!(entry & 1))
return NULL;
addr = entry & ~0xfff;
shift -= 9;
}
return search_phys_mem(addr);
}
static bool
ppgtt_mapped(uint64_t pml4, uint64_t address)
{
return ppgtt_walk(pml4, address) != NULL;
}
static struct gen_batch_decode_bo
get_ppgtt_batch_bo(void *user_data, uint64_t address)
{
struct gen_batch_decode_bo bo = {0};
uint64_t pml4 = *(uint64_t *)user_data;
address &= ~0xfff;
if (!ppgtt_mapped(pml4, address))
return bo;
/* Map everything until the first gap since we don't know how much the
* decoder actually needs.
*/
uint64_t end = address;
while (ppgtt_mapped(pml4, end))
end += 4096;
bo.addr = address;
bo.size = end - address;
bo.map = mmap(NULL, bo.size, PROT_READ, MAP_SHARED | MAP_ANONYMOUS, -1, 0);
assert(bo.map != MAP_FAILED);
for (uint64_t page = address; page < end; page += 4096) {
struct phys_mem *phys_mem = ppgtt_walk(pml4, page);
void *res = mmap((uint8_t *)bo.map + (page - bo.addr), 4096, PROT_READ,
MAP_SHARED | MAP_FIXED, mem_fd, phys_mem->fd_offset);
assert(res != MAP_FAILED);
}
add_gtt_bo_map(bo, true);
return bo;
}
#define GEN_ENGINE_RENDER 1
#define GEN_ENGINE_BLITTER 2
static void
handle_trace_block(uint32_t *p)
{
int operation = p[1] & AUB_TRACE_OPERATION_MASK;
int type = p[1] & AUB_TRACE_TYPE_MASK;
int address_space = p[1] & AUB_TRACE_ADDRESS_SPACE_MASK;
int header_length = p[0] & 0xffff;
int engine = GEN_ENGINE_RENDER;
struct gen_batch_decode_bo bo = {
.map = p + header_length + 2,
/* Addresses written by aubdump here are in canonical form but the batch
* decoder always gives us addresses with the top 16bits zeroed, so do
* the same here.
*/
.addr = gen_48b_address((devinfo.gen >= 8 ? ((uint64_t) p[5] << 32) : 0) |
((uint64_t) p[3])),
.size = p[4],
};
switch (operation) {
case AUB_TRACE_OP_DATA_WRITE:
if (address_space == AUB_TRACE_MEMTYPE_GTT)
add_gtt_bo_map(bo, false);
break;
case AUB_TRACE_OP_COMMAND_WRITE:
switch (type) {
case AUB_TRACE_TYPE_RING_PRB0:
engine = GEN_ENGINE_RENDER;
break;
case AUB_TRACE_TYPE_RING_PRB2:
engine = GEN_ENGINE_BLITTER;
break;
default:
fprintf(outfile, "command write to unknown ring %d\n", type);
break;
}
(void)engine; /* TODO */
batch_ctx.get_bo = get_ggtt_batch_bo;
gen_print_batch(&batch_ctx, bo.map, bo.size, 0);
clear_bo_maps();
break;
}
}
static void
aubinator_init(uint16_t aub_pci_id, const char *app_name)
{
if (!gen_get_device_info(pci_id, &devinfo)) {
fprintf(stderr, "can't find device information: pci_id=0x%x\n", pci_id);
exit(EXIT_FAILURE);
}
enum gen_batch_decode_flags batch_flags = 0;
if (option_color == COLOR_ALWAYS)
batch_flags |= GEN_BATCH_DECODE_IN_COLOR;
if (option_full_decode)
batch_flags |= GEN_BATCH_DECODE_FULL;
if (option_print_offsets)
batch_flags |= GEN_BATCH_DECODE_OFFSETS;
batch_flags |= GEN_BATCH_DECODE_FLOATS;
gen_batch_decode_ctx_init(&batch_ctx, &devinfo, outfile, batch_flags,
xml_path, NULL, NULL, NULL);
batch_ctx.max_vbo_decoded_lines = max_vbo_lines;
char *color = GREEN_HEADER, *reset_color = NORMAL;
if (option_color == COLOR_NEVER)
color = reset_color = "";
fprintf(outfile, "%sAubinator: Intel AUB file decoder.%-80s%s\n",
color, "", reset_color);
if (input_file)
fprintf(outfile, "File name: %s\n", input_file);
if (aub_pci_id)
fprintf(outfile, "PCI ID: 0x%x\n", aub_pci_id);
fprintf(outfile, "Application name: %s\n", app_name);
fprintf(outfile, "Decoding as: %s\n", gen_get_device_name(pci_id));
/* Throw in a new line before the first batch */
fprintf(outfile, "\n");
}
static void
handle_trace_header(uint32_t *p)
{
/* The intel_aubdump tool from IGT is kind enough to put a PCI-ID= tag in
* the AUB header comment. If the user hasn't specified a hardware
* generation, try to use the one from the AUB file.
*/
uint32_t *end = p + (p[0] & 0xffff) + 2;
int aub_pci_id = 0;
if (end > &p[12] && p[12] > 0)
sscanf((char *)&p[13], "PCI-ID=%i", &aub_pci_id);
if (pci_id == 0)
pci_id = aub_pci_id;
char app_name[33];
strncpy(app_name, (char *)&p[2], 32);
app_name[32] = 0;
aubinator_init(aub_pci_id, app_name);
}
static void
handle_memtrace_version(uint32_t *p)
{
int header_length = p[0] & 0xffff;
char app_name[64];
int app_name_len = MIN2(4 * (header_length + 1 - 5), ARRAY_SIZE(app_name) - 1);
int pci_id_len = 0;
int aub_pci_id = 0;
strncpy(app_name, (char *)&p[5], app_name_len);
app_name[app_name_len] = 0;
sscanf(app_name, "PCI-ID=%i %n", &aub_pci_id, &pci_id_len);
if (pci_id == 0)
pci_id = aub_pci_id;
aubinator_init(aub_pci_id, app_name + pci_id_len);
}
static void
handle_memtrace_reg_write(uint32_t *p)
{
static struct execlist_regs {
uint32_t render_elsp[4];
int render_elsp_index;
uint32_t blitter_elsp[4];
int blitter_elsp_index;
} state = {};
uint32_t offset = p[1];
uint32_t value = p[5];
int engine;
uint64_t context_descriptor;
switch (offset) {
case 0x2230: /* render elsp */
state.render_elsp[state.render_elsp_index++] = value;
if (state.render_elsp_index < 4)
return;
state.render_elsp_index = 0;
engine = GEN_ENGINE_RENDER;
context_descriptor = (uint64_t)state.render_elsp[2] << 32 |
state.render_elsp[3];
break;
case 0x22230: /* blitter elsp */
state.blitter_elsp[state.blitter_elsp_index++] = value;
if (state.blitter_elsp_index < 4)
return;
state.blitter_elsp_index = 0;
engine = GEN_ENGINE_BLITTER;
context_descriptor = (uint64_t)state.blitter_elsp[2] << 32 |
state.blitter_elsp[3];
break;
case 0x2510: /* render elsq0 lo */
state.render_elsp[3] = value;
return;
break;
case 0x2514: /* render elsq0 hi */
state.render_elsp[2] = value;
return;
break;
case 0x22510: /* blitter elsq0 lo */
state.blitter_elsp[3] = value;
return;
break;
case 0x22514: /* blitter elsq0 hi */
state.blitter_elsp[2] = value;
return;
break;
case 0x2550: /* render elsc */
engine = GEN_ENGINE_RENDER;
context_descriptor = (uint64_t)state.render_elsp[2] << 32 |
state.render_elsp[3];
break;
case 0x22550: /* blitter elsc */
engine = GEN_ENGINE_BLITTER;
context_descriptor = (uint64_t)state.blitter_elsp[2] << 32 |
state.blitter_elsp[3];
break;
default:
return;
}
const uint32_t pphwsp_size = 4096;
uint32_t pphwsp_addr = context_descriptor & 0xfffff000;
struct gen_batch_decode_bo pphwsp_bo = get_ggtt_batch_bo(NULL, pphwsp_addr);
uint32_t *context = (uint32_t *)((uint8_t *)pphwsp_bo.map +
(pphwsp_addr - pphwsp_bo.addr) +
pphwsp_size);
uint32_t ring_buffer_head = context[5];
uint32_t ring_buffer_tail = context[7];
uint32_t ring_buffer_start = context[9];
uint64_t pml4 = (uint64_t)context[49] << 32 | context[51];
struct gen_batch_decode_bo ring_bo = get_ggtt_batch_bo(NULL,
ring_buffer_start);
assert(ring_bo.size > 0);
void *commands = (uint8_t *)ring_bo.map + (ring_buffer_start - ring_bo.addr);
if (context_descriptor & 0x100 /* ppgtt */) {
batch_ctx.get_bo = get_ppgtt_batch_bo;
batch_ctx.user_data = &pml4;
} else {
batch_ctx.get_bo = get_ggtt_batch_bo;
}
(void)engine; /* TODO */
gen_print_batch(&batch_ctx, commands, ring_buffer_tail - ring_buffer_head,
0);
clear_bo_maps();
}
static void
handle_memtrace_mem_write(uint32_t *p)
{
struct gen_batch_decode_bo bo = {
.map = p + 5,
/* Addresses written by aubdump here are in canonical form but the batch
* decoder always gives us addresses with the top 16bits zeroed, so do
* the same here.
*/
.addr = gen_48b_address(*(uint64_t*)&p[1]),
.size = p[4],
};
uint32_t address_space = p[3] >> 28;
switch (address_space) {
case 0: /* GGTT */
handle_ggtt_write(bo.addr, bo.map, bo.size);
break;
case 1: /* Local */
add_gtt_bo_map(bo, false);
break;
case 2: /* Physical */
handle_physical_write(bo.addr, bo.map, bo.size);
break;
case 4: /* GGTT Entry */
handle_ggtt_entry_write(bo.addr, bo.map, bo.size);
break;
}
}
struct aub_file {
FILE *stream;
uint32_t *map, *end, *cursor;
uint32_t *mem_end;
};
static struct aub_file *
aub_file_open(const char *filename)
{
struct aub_file *file;
struct stat sb;
int fd;
file = calloc(1, sizeof *file);
fd = open(filename, O_RDONLY);
if (fd == -1) {
fprintf(stderr, "open %s failed: %s\n", filename, strerror(errno));
exit(EXIT_FAILURE);
}
if (fstat(fd, &sb) == -1) {
fprintf(stderr, "stat failed: %s\n", strerror(errno));
exit(EXIT_FAILURE);
}
file->map = mmap(NULL, sb.st_size,
PROT_READ, MAP_SHARED, fd, 0);
if (file->map == MAP_FAILED) {
fprintf(stderr, "mmap failed: %s\n", strerror(errno));
exit(EXIT_FAILURE);
}
close(fd);
file->cursor = file->map;
file->end = file->map + sb.st_size / 4;
return file;
}
#define TYPE(dw) (((dw) >> 29) & 7)
#define OPCODE(dw) (((dw) >> 23) & 0x3f)
#define SUBOPCODE(dw) (((dw) >> 16) & 0x7f)
#define MAKE_HEADER(type, opcode, subopcode) \
(((type) << 29) | ((opcode) << 23) | ((subopcode) << 16))
#define TYPE_AUB 0x7
/* Classic AUB opcodes */
#define OPCODE_AUB 0x01
#define SUBOPCODE_HEADER 0x05
#define SUBOPCODE_BLOCK 0x41
#define SUBOPCODE_BMP 0x1e
/* Newer version AUB opcode */
#define OPCODE_NEW_AUB 0x2e
#define SUBOPCODE_REG_POLL 0x02
#define SUBOPCODE_REG_WRITE 0x03
#define SUBOPCODE_MEM_POLL 0x05
#define SUBOPCODE_MEM_WRITE 0x06
#define SUBOPCODE_VERSION 0x0e
#define MAKE_GEN(major, minor) ( ((major) << 8) | (minor) )
static bool
aub_file_decode_batch(struct aub_file *file)
{
uint32_t *p, h, *new_cursor;
int header_length, bias;
assert(file->cursor < file->end);
p = file->cursor;
h = *p;
header_length = h & 0xffff;
switch (OPCODE(h)) {
case OPCODE_AUB:
bias = 2;
break;
case OPCODE_NEW_AUB:
bias = 1;
break;
default:
fprintf(outfile, "unknown opcode %d at %td/%td\n",
OPCODE(h), file->cursor - file->map,
file->end - file->map);
return false;
}
new_cursor = p + header_length + bias;
if ((h & 0xffff0000) == MAKE_HEADER(TYPE_AUB, OPCODE_AUB, SUBOPCODE_BLOCK)) {
assert(file->end - file->cursor >= 4);
new_cursor += p[4] / 4;
}
assert(new_cursor <= file->end);
switch (h & 0xffff0000) {
case MAKE_HEADER(TYPE_AUB, OPCODE_AUB, SUBOPCODE_HEADER):
handle_trace_header(p);
break;
case MAKE_HEADER(TYPE_AUB, OPCODE_AUB, SUBOPCODE_BLOCK):
handle_trace_block(p);
break;
case MAKE_HEADER(TYPE_AUB, OPCODE_AUB, SUBOPCODE_BMP):
break;
case MAKE_HEADER(TYPE_AUB, OPCODE_NEW_AUB, SUBOPCODE_VERSION):
handle_memtrace_version(p);
break;
case MAKE_HEADER(TYPE_AUB, OPCODE_NEW_AUB, SUBOPCODE_REG_WRITE):
handle_memtrace_reg_write(p);
break;
case MAKE_HEADER(TYPE_AUB, OPCODE_NEW_AUB, SUBOPCODE_MEM_WRITE):
handle_memtrace_mem_write(p);
break;
case MAKE_HEADER(TYPE_AUB, OPCODE_NEW_AUB, SUBOPCODE_MEM_POLL):
fprintf(outfile, "memory poll block (dwords %d):\n", h & 0xffff);
break;
case MAKE_HEADER(TYPE_AUB, OPCODE_NEW_AUB, SUBOPCODE_REG_POLL):
break;
default:
fprintf(outfile, "unknown block type=0x%x, opcode=0x%x, "
"subopcode=0x%x (%08x)\n", TYPE(h), OPCODE(h), SUBOPCODE(h), h);
break;
}
file->cursor = new_cursor;
return true;
}
static int
aub_file_more_stuff(struct aub_file *file)
{
return file->cursor < file->end || (file->stream && !feof(file->stream));
}
static void
setup_pager(void)
{
int fds[2];
pid_t pid;
if (!isatty(1))
return;
if (pipe(fds) == -1)
return;
pid = fork();
if (pid == -1)
return;
if (pid == 0) {
close(fds[1]);
dup2(fds[0], 0);
execlp("less", "less", "-FRSi", NULL);
}
close(fds[0]);
dup2(fds[1], 1);
close(fds[1]);
}
static void
print_help(const char *progname, FILE *file)
{
fprintf(file,
"Usage: %s [OPTION]... FILE\n"
"Decode aub file contents from FILE.\n\n"
" --help display this help and exit\n"
" --gen=platform decode for given platform (3 letter platform name)\n"
" --headers decode only command headers\n"
" --color[=WHEN] colorize the output; WHEN can be 'auto' (default\n"
" if omitted), 'always', or 'never'\n"
" --max-vbo-lines=N limit the number of decoded VBO lines\n"
" --no-pager don't launch pager\n"
" --no-offsets don't print instruction offsets\n"
" --xml=DIR load hardware xml description from directory DIR\n",
progname);
}
int main(int argc, char *argv[])
{
struct aub_file *file;
int c, i;
bool help = false, pager = true;
const struct option aubinator_opts[] = {
{ "help", no_argument, (int *) &help, true },
{ "no-pager", no_argument, (int *) &pager, false },
{ "no-offsets", no_argument, (int *) &option_print_offsets, false },
{ "gen", required_argument, NULL, 'g' },
{ "headers", no_argument, (int *) &option_full_decode, false },
{ "color", required_argument, NULL, 'c' },
{ "xml", required_argument, NULL, 'x' },
{ "max-vbo-lines", required_argument, NULL, 'v' },
{ NULL, 0, NULL, 0 }
};
outfile = stdout;
i = 0;
while ((c = getopt_long(argc, argv, "", aubinator_opts, &i)) != -1) {
switch (c) {
case 'g': {
const int id = gen_device_name_to_pci_device_id(optarg);
if (id < 0) {
fprintf(stderr, "can't parse gen: '%s', expected ivb, byt, hsw, "
"bdw, chv, skl, kbl or bxt\n", optarg);
exit(EXIT_FAILURE);
} else {
pci_id = id;
}
break;
}
case 'c':
if (optarg == NULL || strcmp(optarg, "always") == 0)
option_color = COLOR_ALWAYS;
else if (strcmp(optarg, "never") == 0)
option_color = COLOR_NEVER;
else if (strcmp(optarg, "auto") == 0)
option_color = COLOR_AUTO;
else {
fprintf(stderr, "invalid value for --color: %s", optarg);
exit(EXIT_FAILURE);
}
break;
case 'x':
xml_path = strdup(optarg);
break;
case 'v':
max_vbo_lines = atoi(optarg);
break;
default:
break;
}
}
if (optind < argc)
input_file = argv[optind];
if (help || !input_file) {
print_help(argv[0], stderr);
exit(0);
}
/* Do this before we redirect stdout to pager. */
if (option_color == COLOR_AUTO)
option_color = isatty(1) ? COLOR_ALWAYS : COLOR_NEVER;
if (isatty(1) && pager)
setup_pager();
mem_fd = memfd_create("phys memory", 0);
list_inithead(&maps);
file = aub_file_open(input_file);
while (aub_file_more_stuff(file) &&
aub_file_decode_batch(file));
fflush(stdout);
/* close the stdout which is opened to write the output */
close(1);
free(xml_path);
wait(NULL);
return EXIT_SUCCESS;
}
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