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freedreno/afuc: Split out utils

Browse source 
With disasm emulator mode, we'll start wanting some things that are
duplicationg what the assembler does, so just split out all the rnndb
bits into shared utils.

Signed-off-by: Rob Clark <robdclark@chromium.org>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/10944>
This commit is contained in:
Rob Clark 2021-05-16 18:43:20 -07:00 • committed by Marge Bot
parent d367d84d87
commit 2876253f28
5 changed files with 291 additions and 137 deletions
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70
src/freedreno/afuc/asm.c
View file

@ -37,16 +37,10 @@
#include "afuc.h"
#include "asm.h"
#include "parser.h"
#include "rnn.h"
#include "rnndec.h"
#include "util.h"
int gpuver;
static struct rnndeccontext *ctx;
static struct rnndb *db;
static struct rnndomain *control_regs;
struct rnndomain *dom[2];
/* bit lame to hard-code max but fw sizes are small */
static struct asm_instruction instructions[0x2000];
static unsigned num_instructions;
@ -329,52 +323,22 @@ emit_instructions(int outfd)
}
}
static int
find_enum_val(struct rnnenum *en, const char *name)
{
int i;
for (i = 0; i < en->valsnum; i++)
if (en->vals[i]->valvalid && !strcmp(name, en->vals[i]->name))
return en->vals[i]->value;
return -1;
}
static int
find_reg(struct rnndomain *dom, const char *name)
{
int i;
for (i = 0; i < dom->subelemsnum; i++)
if (!strcmp(name, dom->subelems[i]->name))
return dom->subelems[i]->offset;
return -1;
}
unsigned
parse_control_reg(const char *name)
{
/* skip leading "@" */
int val = find_reg(control_regs, name + 1);
if (val < 0) {
printf("invalid control reg: %s\n", name);
exit(2);
}
return (unsigned)val;
return afuc_control_reg(name + 1);
}
static void
emit_jumptable(int outfd)
{
struct rnnenum *en = rnn_findenum(ctx->db, "adreno_pm4_type3_packets");
uint32_t jmptable[0x80] = {0};
int i;
for (i = 0; i < num_labels; i++) {
struct asm_label *label = &labels[i];
int id = find_enum_val(en, label->label);
int id = afuc_pm4_id(label->label);
/* if it doesn't match a known PM4 packet-id, try to match UNKN%d: */
if (id < 0) {
@ -403,7 +367,7 @@ int
main(int argc, char **argv)
{
FILE *in;
char *file, *outfile, *name, *control_reg_name;
char *file, *outfile;
int c, ret, outfd;
/* Argument parsing: */
@ -448,33 +412,11 @@ main(int argc, char **argv)
}
}
switch (gpuver) {
case 6:
name = "A6XX";
control_reg_name = "A6XX_CONTROL_REG";
break;
case 5:
name = "A5XX";
control_reg_name = "A5XX_CONTROL_REG";
break;
default:
fprintf(stderr, "unknown GPU version!\n");
ret = afuc_util_init(gpuver, false);
if (ret < 0) {
usage();
}
rnn_init();
db = rnn_newdb();
ctx = rnndec_newcontext(db);
rnn_parsefile(db, "adreno.xml");
rnn_prepdb(db);
if (db->estatus)
errx(db->estatus, "failed to parse register database");
dom[0] = rnn_finddomain(db, name);
dom[1] = rnn_finddomain(db, "AXXX");
control_regs = rnn_finddomain(db, control_reg_name);
ret = yyparse();
if (ret) {
fprintf(stderr, "parse failed: %d\n", ret);

89
src/freedreno/afuc/disasm.c
View file

@ -38,17 +38,10 @@
#include "freedreno_pm4.h"
#include "afuc.h"
#include "rnn.h"
#include "rnndec.h"
#include "util.h"
static int gpuver;
static struct rnndeccontext *ctx;
static struct rnndb *db;
static struct rnndomain *control_regs;
struct rnndomain *dom[2];
const char *variant;
/* non-verbose mode should output something suitable to feed back into
* assembler.. verbose mode has additional output useful for debugging
* (like unexpected bits that are set)
@ -58,40 +51,18 @@ static bool verbose = false;
static void
print_gpu_reg(uint32_t regbase)
{
struct rnndomain *d = NULL;
if (regbase < 0x100)
return;
if (rnndec_checkaddr(ctx, dom[0], regbase, 0))
d = dom[0];
else if (rnndec_checkaddr(ctx, dom[1], regbase, 0))
d = dom[1];
if (d) {
struct rnndecaddrinfo *info = rnndec_decodeaddr(ctx, d, regbase, 0);
if (info) {
printf("\t; %s", info->name);
free(info->name);
free(info);
return;
}
char *name = afuc_gpu_reg_name(regbase);
if (name) {
printf("\t; %s", name);
free(name);
}
}
static void
printc(const char *c, const char *fmt, ...)
{
va_list args;
printf("%s", c);
va_start(args, fmt);
vprintf(fmt, args);
va_end(args);
printf("%s", ctx->colors->reset);
}
#define printerr(fmt, ...) printc(ctx->colors->err, fmt, ##__VA_ARGS__)
#define printlbl(fmt, ...) printc(ctx->colors->btarg, fmt, ##__VA_ARGS__)
#define printerr(fmt, ...) afuc_printc(AFUC_ERR, fmt, ##__VA_ARGS__)
#define printlbl(fmt, ...) afuc_printc(AFUC_LBL, fmt, ##__VA_ARGS__)
static void
print_reg(unsigned reg)
@ -170,7 +141,7 @@ print_alu_name(afuc_opc opc, uint32_t instr)
static const char *
getpm4(uint32_t id)
{
return rnndec_decode_enum(ctx, "adreno_pm4_type3_packets", id);
return afuc_pm_id_name(id);
}
static struct {
@ -290,11 +261,10 @@ fxn_name(uint32_t offset)
static void
print_control_reg(uint32_t id)
{
if (rnndec_checkaddr(ctx, control_regs, id, 0)) {
struct rnndecaddrinfo *info = rnndec_decodeaddr(ctx, control_regs, id, 0);
printf("@%s", info->name);
free(info->name);
free(info);
char *name = afuc_control_reg_name(id);
if (name) {
printf("@%s", name);
free(name);
} else {
printf("0x%03x", id);
}
@ -794,10 +764,10 @@ int
main(int argc, char **argv)
{
uint32_t *buf;
char *file, *control_reg_name;
char *file;
bool colors = false;
size_t sz;
int c;
int c, ret;
/* Argument parsing: */
while ((c = getopt(argc, argv, "g:vc")) != -1) {
@ -832,37 +802,12 @@ main(int argc, char **argv)
}
}
switch (gpuver) {
case 6:
printf("; a6xx microcode\n");
variant = "A6XX";
control_reg_name = "A6XX_CONTROL_REG";
break;
case 5:
printf("; a5xx microcode\n");
variant = "A5XX";
control_reg_name = "A5XX_CONTROL_REG";
break;
default:
fprintf(stderr, "unknown GPU version!\n");
ret = afuc_util_init(gpuver, colors);
if (ret < 0) {
usage();
}
rnn_init();
db = rnn_newdb();
ctx = rnndec_newcontext(db);
ctx->colors = colors ? &envy_def_colors : &envy_null_colors;
rnn_parsefile(db, "adreno.xml");
rnn_prepdb(db);
if (db->estatus)
errx(db->estatus, "failed to parse register database");
dom[0] = rnn_finddomain(db, variant);
dom[1] = rnn_finddomain(db, "AXXX");
control_regs = rnn_finddomain(db, control_reg_name);
rnndec_varadd(ctx, "chip", variant);
printf("; a%dxx microcode\n", gpuver);
buf = (uint32_t *)os_read_file(file, &sz);

8
src/freedreno/afuc/meson.build
View file

@ -40,6 +40,8 @@ asm = executable(
'afuc-asm',
[
'asm.c',
'util.c',
'util.h',
afuc_lexer,
afuc_parser,
],
@ -56,7 +58,11 @@ asm = executable(
disasm = executable(
'afuc-disasm',
'disasm.c',
[
'disasm.c',
'util.c',
'util.h',
],
include_directories: [
inc_freedreno,
inc_freedreno_rnn,

210
src/freedreno/afuc/util.c Normal file
View file

@ -0,0 +1,210 @@
/*
* Copyright © 2021 Google, Inc.
*
* 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 <err.h>
#include <stdarg.h>
#include <stdio.h>
#include <string.h>
#include "rnn.h"
#include "rnndec.h"
#include "util.h"
static struct rnndeccontext *ctx;
static struct rnndb *db;
static struct rnndomain *control_regs;
struct rnndomain *dom[2];
static struct rnnenum *pm4_packets;
static int
find_reg(struct rnndomain *dom, const char *name)
{
for (int i = 0; i < dom->subelemsnum; i++)
if (!strcmp(name, dom->subelems[i]->name))
return dom->subelems[i]->offset;
return -1;
}
/**
* Map control reg name to offset.
*/
unsigned
afuc_control_reg(const char *name)
{
int val = find_reg(control_regs, name);
if (val < 0) {
char *endptr = NULL;
val = strtol(name, &endptr, 0);
if (endptr) {
printf("invalid control reg: %s\n", name);
exit(2);
}
}
return (unsigned)val;
}
/**
* Map offset to control reg name (or NULL), caller frees
*/
char *
afuc_control_reg_name(unsigned id)
{
if (rnndec_checkaddr(ctx, control_regs, id, 0)) {
struct rnndecaddrinfo *info = rnndec_decodeaddr(ctx, control_regs, id, 0);
char *name = info->name;
free(info);
return name;
} else {
return NULL;
}
}
/**
* Map GPU reg name to offset.
*/
unsigned
afuc_gpu_reg(const char *name)
{
int val = find_reg(dom[0], name);
if (val < 0)
val = find_reg(dom[1], name);
if (val < 0) {
char *endptr = NULL;
val = strtol(name, &endptr, 0);
if (endptr) {
printf("invalid control reg: %s\n", name);
exit(2);
}
}
return (unsigned)val;
}
/**
* Map offset to gpu reg name (or NULL), caller frees
*/
char *
afuc_gpu_reg_name(unsigned id)
{
struct rnndomain *d = NULL;
if (rnndec_checkaddr(ctx, dom[0], id, 0)) {
d = dom[0];
} else if (rnndec_checkaddr(ctx, dom[1], id, 0)) {
d = dom[1];
}
if (d) {
struct rnndecaddrinfo *info = rnndec_decodeaddr(ctx, d, id, 0);
if (info) {
char *name = info->name;
free(info);
return name;
}
}
return NULL;
}
static int
find_enum_val(struct rnnenum *en, const char *name)
{
int i;
for (i = 0; i < en->valsnum; i++)
if (en->vals[i]->valvalid && !strcmp(name, en->vals[i]->name))
return en->vals[i]->value;
return -1;
}
/**
* Map pm4 packet name to id
*/
int
afuc_pm4_id(const char *name)
{
return find_enum_val(pm4_packets, name);
}
const char *
afuc_pm_id_name(unsigned id)
{
return rnndec_decode_enum(ctx, "adreno_pm4_type3_packets", id);
}
void
afuc_printc(enum afuc_color c, const char *fmt, ...)
{
va_list args;
if (c == AFUC_ERR) {
printf("%s", ctx->colors->err);
} else if (c == AFUC_LBL) {
printf("%s", ctx->colors->btarg);
}
va_start(args, fmt);
vprintf(fmt, args);
va_end(args);
printf("%s", ctx->colors->reset);
}
int afuc_util_init(int gpuver, bool colors)
{
char *name, *control_reg_name;
switch (gpuver) {
case 6:
name = "A6XX";
control_reg_name = "A6XX_CONTROL_REG";
break;
case 5:
name = "A5XX";
control_reg_name = "A5XX_CONTROL_REG";
break;
default:
fprintf(stderr, "unknown GPU version!\n");
return -1;
}
rnn_init();
db = rnn_newdb();
ctx = rnndec_newcontext(db);
ctx->colors = colors ? &envy_def_colors : &envy_null_colors;
rnn_parsefile(db, "adreno.xml");
rnn_prepdb(db);
if (db->estatus)
errx(db->estatus, "failed to parse register database");
dom[0] = rnn_finddomain(db, name);
dom[1] = rnn_finddomain(db, "AXXX");
control_regs = rnn_finddomain(db, control_reg_name);
rnndec_varadd(ctx, "chip", name);
pm4_packets = rnn_findenum(ctx->db, "adreno_pm4_type3_packets");
return 0;
}

51
src/freedreno/afuc/util.h Normal file
View file

@ -0,0 +1,51 @@
/*
* Copyright © 2021 Google, Inc.
*
* 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.
*/
#ifndef _UTIL_H_
#define _UTIL_H_
#include <stdbool.h>
/*
* AFUC disasm / asm helpers
*/
unsigned afuc_control_reg(const char *name);
char * afuc_control_reg_name(unsigned id);
unsigned afuc_gpu_reg(const char *name);
char * afuc_gpu_reg_name(unsigned id);
int afuc_pm4_id(const char *name);
const char * afuc_pm_id_name(unsigned id);
enum afuc_color {
AFUC_ERR,
AFUC_LBL,
};
void afuc_printc(enum afuc_color c, const char *fmt, ...);
int afuc_util_init(int gpuver, bool colors);
#endif /* _UTIL_H_ */