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/*
* Copyright (c) 2012-2013 Etnaviv Project
*
* 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, 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 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.
*/
/* Watch GPU debug registers */
/* Important: Needs kernel module compiled with user space register access
* (gcdREGISTER_ACCESS_FROM_USER=1) */
#include <stdio.h>
#include <stdint.h>
#include <stdlib.h>
#include <stdbool.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/ioctl.h>
#include <fcntl.h>
#include <unistd.h>
#include <etnaviv/viv.h>
#include "gc_abi.h"
struct viv_conn *conn = 0;
static const char clear_screen[] = {0x1b, '[', 'H',
0x1b, '[', 'J',
0x0};
static const char color_num_zero[] = "\x1b[1;30m";
static const char color_num[] = "\x1b[1;33m";
static const char color_head[] = "\x1b[1;37;100m";
static const char color_reset[] = "\x1b[0m";
static void write_register(uint32_t address, uint32_t data)
{
gcsHAL_INTERFACE id;
id.command = gcvHAL_WRITE_REGISTER;
id.u.WriteRegisterData.address = address;
id.u.WriteRegisterData.data = data;
if(viv_invoke(conn, &id) != VIV_STATUS_OK)
{
perror("Ioctl error");
exit(1);
}
}
static uint32_t read_register(uint32_t address)
{
gcsHAL_INTERFACE id;
id.command = gcvHAL_READ_REGISTER;
id.u.ReadRegisterData.address = address;
if(viv_invoke(conn, &id) != VIV_STATUS_OK)
{
perror("Ioctl error");
exit(1);
}
return id.u.ReadRegisterData.data;
}
struct debug_register
{
const char *module;
uint32_t select_reg;
uint32_t select_shift;
uint32_t read_reg;
uint32_t count;
uint32_t signature;
};
/* XXX possible to select/clear four debug registers at a time? this would
* avoid writes.
*/
static struct debug_register debug_registers[] =
{
{ "RA", 0x474, 16, 0x448, 16, 0x12344321 },
{ "TX", 0x474, 24, 0x44C, 16, 0x12211221 },
{ "FE", 0x470, 0, 0x450, 16, 0xBABEF00D },
{ "PE", 0x470, 16, 0x454, 16, 0xBABEF00D },
{ "DE", 0x470, 8, 0x458, 16, 0xBABEF00D },
{ "SH", 0x470, 24, 0x45C, 16, 0xDEADBEEF },
{ "PA", 0x474, 0, 0x460, 16, 0x0000AAAA },
{ "SE", 0x474, 8, 0x464, 16, 0x5E5E5E5E },
{ "MC", 0x478, 0, 0x468, 16, 0x12345678 },
{ "HI", 0x478, 8, 0x46C, 16, 0xAAAAAAAA }
};
#define NUM_MODULES (sizeof(debug_registers) / sizeof(struct debug_register))
#define MAX_COUNT 16
int main()
{
int rv = 0;
rv = viv_open(VIV_HW_3D, &conn);
if(rv!=0)
{
fprintf(stderr, "Error opening device\n");
exit(1);
}
uint32_t counters[NUM_MODULES][MAX_COUNT] = {{}};
uint32_t counters_prev[NUM_MODULES][MAX_COUNT] = {{}};
int interval = 1000000;
int reset = 0; /* reset counters after read */
int has_prev = 0;
while(true)
{
printf("%s", clear_screen);
for(unsigned int rid=0; rid<NUM_MODULES; ++rid)
{
struct debug_register *rdesc = &debug_registers[rid];
for(unsigned int sid=0; sid<15; ++sid)
{
write_register(rdesc->select_reg, sid << rdesc->select_shift);
counters[rid][sid] = read_register(rdesc->read_reg);
}
if(reset)
{
write_register(rdesc->select_reg, 15 << rdesc->select_shift);
counters[rid][15] = read_register(rdesc->read_reg);
}
write_register(debug_registers[rid].select_reg, 0 << rdesc->select_shift);
}
printf("%s ", color_head);
for(unsigned int rid=0; rid<NUM_MODULES; ++rid)
{
printf(" %-2s ", debug_registers[rid].module);
}
printf("%s\n",color_reset);
for(unsigned int sid=0; sid<MAX_COUNT ; ++sid)
{
printf("%s%01x%s ", color_head, sid, color_reset);
for(unsigned int rid=0; rid<NUM_MODULES; ++rid)
{
const char *color = "";
if(has_prev && counters[rid][sid] != counters_prev[rid][sid])
color = color_num;
printf("%s%08x%s ", color, counters[rid][sid], color_reset);
}
printf("\n");
}
usleep(interval);
for(unsigned int rid=0; rid<NUM_MODULES; ++rid)
for(unsigned int sid=0; sid<MAX_COUNT; ++sid)
counters_prev[rid][sid] = counters[rid][sid];
has_prev = 1;
}
viv_close(conn);
return 0;
}
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