mesa/src/freedreno/rnn/headergen2.c

507 lines
14 KiB
C

/*
* Copyright (C) 2013 Rob Clark <robdclark@gmail.com>
* Copyright (C) 2010-2011 Marcin Kościelnicki <koriakin@0x04.net>
* Copyright (C) 2010 Luca Barbieri <luca@luca-barbieri.com>
* Copyright (C) 2010 Marcin Slusarz <marcin.slusarz@gmail.com>
* All Rights Reserved.
*
* 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.
*/
/* modified version of headergen which uses enums and inline fxns for
* type safety.. based on original headergen
*/
#include "rnn.h"
#include "util.h"
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <inttypes.h>
#include <time.h>
#include <ctype.h>
#include <unistd.h>
#include <string.h>
#include <sys/stat.h>
#include <sys/wait.h>
#include <assert.h>
struct rnndelem **elems = NULL;
int elemsnum = 0;
int elemsmax = 0;
char **offsetfns = NULL;
int offsetfnsnum = 0;
int offsetfnsmax = 0;
int startcol = 64;
struct fout {
char *name;
FILE *file;
char *guard;
};
struct fout *fouts = 0;
int foutsnum = 0;
int foutsmax = 0;
static bool no_asserts = false;
static void seekcol (FILE *f, int src, int dst) {
if (dst <= src)
fprintf (f, "\t");
else {
int n = dst/8 - src/8;
if (n) {
while (n--)
fprintf (f, "\t");
n = dst&7;
} else
n = dst-src;
while (n--)
fprintf (f, " ");
}
}
static FILE *findfout (char *file) {
int i;
for (i = 0; i < foutsnum; i++)
if (!strcmp(fouts[i].name, file))
break;
if (i == foutsnum) {
fprintf (stderr, "AIII, didn't open file %s.\n", file);
exit(1);
}
return fouts[i].file;
}
static void printdef (char *name, char *suf, int type, uint64_t val, char *file) {
FILE *dst = findfout(file);
int len;
if (suf)
fprintf (dst, "#define %s__%s%n", name, suf, &len);
else
fprintf (dst, "#define %s%n", name, &len);
if (type == 0 && val > 0xffffffffull)
seekcol (dst, len, startcol-8);
else
seekcol (dst, len, startcol);
switch (type) {
case 0:
if (val > 0xffffffffull)
fprintf (dst, "0x%016"PRIx64"ULL\n", val);
else
fprintf (dst, "0x%08"PRIx64"\n", val);
break;
case 1:
fprintf (dst, "%"PRIu64"\n", val);
break;
}
}
static void printvalue (struct rnnvalue *val, int shift) {
if (val->varinfo.dead)
return;
if (val->valvalid)
printdef (val->fullname, 0, 0, val->value << shift, val->file);
}
static void printbitfield (struct rnnbitfield *bf, int shift);
static void printtypeinfo (struct rnntypeinfo *ti, struct rnnbitfield *bf,
char *prefix, char *file) {
FILE *dst = findfout(file);
enum rnnttype intype = ti->type;
char *typename = NULL;
uint32_t mask = typeinfo_mask(ti);
uint32_t width = 1 + ti->high - ti->low;
/* for fixed point, input type (arg to fxn) is float: */
if ((ti->type == RNN_TTYPE_FIXED) || (ti->type == RNN_TTYPE_UFIXED))
intype = RNN_TTYPE_FLOAT;
/* for toplevel register (ie. not bitfield), only generate accessor
* fxn for special cases (float, shr, min/max, etc):
*/
if (bf || ti->shr || ti->minvalid || ti->maxvalid || ti->alignvalid ||
ti->radixvalid || (intype == RNN_TTYPE_FLOAT)) {
switch (intype) {
case RNN_TTYPE_HEX:
case RNN_TTYPE_UINT:
case RNN_TTYPE_A3XX_REGID:
typename = "uint32_t";
break;
case RNN_TTYPE_INT:
typename = "int32_t";
break;
case RNN_TTYPE_FLOAT:
typename = "float";
break;
case RNN_TTYPE_ENUM:
asprintf(&typename, "enum %s", ti->name);
break;
default:
break;
}
}
/* for boolean, just generate a #define flag.. rather than inline fxn */
if (bf && (intype == RNN_TTYPE_BOOLEAN)) {
printdef(bf->fullname, 0, 0, mask, file);
return;
}
if (typename) {
printdef(prefix, "MASK", 0, mask, file);
printdef(prefix, "SHIFT", 1, ti->low, file);
fprintf(dst, "static inline uint32_t %s(%s val)\n", prefix, typename);
fprintf(dst, "{\n");
if ((ti->minvalid || ti->maxvalid || ti->alignvalid) && !no_asserts) {
fprintf(dst, "\tassert(1");
if (ti->minvalid)
fprintf(dst, " && (val >= %"PRIu64")", ti->min);
if (ti->maxvalid)
fprintf(dst, " && (val <= %"PRIu64")", ti->max);
if (ti->alignvalid)
fprintf(dst, " && !(val %% %"PRIu64")", ti->align);
fprintf(dst, ");\n");
}
if (ti->shr && !no_asserts) {
fprintf(dst, "\tassert(!(val & 0x%x));\n", (1 << ti->shr) - 1);
}
fprintf(dst, "\treturn ((");
if (ti->type == RNN_TTYPE_FIXED) {
fprintf(dst, "((int32_t)(val * %d.0))", (1 << ti->radix));
} else if (ti->type == RNN_TTYPE_UFIXED) {
fprintf(dst, "((uint32_t)(val * %d.0))", (1 << ti->radix));
} else if (ti->type == RNN_TTYPE_FLOAT) {
if (width == 32)
fprintf(dst, "fui(val)");
else if (width == 16)
fprintf(dst, "_mesa_float_to_half(val)");
else
assert(!"invalid float size");
} else {
fprintf(dst, "val");
}
if (ti->shr)
fprintf(dst, " >> %d", ti->shr);
fprintf(dst, ") << %s__SHIFT) & %s__MASK;\n", prefix, prefix);
fprintf(dst, "}\n");
if (intype == RNN_TTYPE_ENUM)
free(typename);
}
int i;
for (i = 0; i < ti->valsnum; i++)
printvalue(ti->vals[i], ti->low);
for (i = 0; i < ti->bitfieldsnum; i++)
printbitfield(ti->bitfields[i], ti->low);
}
static void printbitfield (struct rnnbitfield *bf, int shift) {
if (bf->varinfo.dead)
return;
printtypeinfo (&bf->typeinfo, bf, bf->fullname, bf->file);
}
static void printdelem (struct rnndelem *elem, uint64_t offset, const char *str) {
int use_offset_fxn;
char *offsetfn = NULL;
if (elem->varinfo.dead)
return;
use_offset_fxn = elem->offsets || elem->doffset || elem->doffsets;
assert((!!elem->offsets + !!elem->doffset + !!elem->doffsets) <= 1);
if (use_offset_fxn)
asprintf(&offsetfn, "__offset_%s", elem->name);
if (elem->length != 1) {
ADDARRAY(elems, elem);
ADDARRAY(offsetfns, offsetfn);
}
if (elem->name) {
char *regname;
if (str) {
asprintf(&regname, "REG_%s_%s", elem->fullname, str);
} else {
asprintf(&regname, "REG_%s", elem->fullname);
}
if (elemsnum) {
int len;
FILE *dst = findfout(elem->file);
int i;
if (use_offset_fxn) {
fprintf(dst, "static inline uint32_t %s(", offsetfn);
if (elem->index)
fprintf(dst, "enum %s", elem->index->name);
else
fprintf(dst, "uint32_t");
fprintf(dst, " idx)\n");
fprintf(dst, "{\n");
if (elem->doffset) {
fprintf(dst, "\treturn (%s) + (%#" PRIx64 "*idx);\n", elem->doffset, elem->stride);
} else {
int valuesnum = elem->doffsets ? elem->doffsetsnum : elem->offsetsnum;
fprintf(dst, "\tswitch (idx) {\n");
for (i = 0; i < valuesnum; i++) {
struct rnnvalue *val = NULL;
fprintf(dst, "\t\tcase ");
if (elem->index) {
int j;
for (j = 0; j < elem->index->valsnum; j++) {
if (elem->index->vals[j]->value == i) {
val = elem->index->vals[j];
break;
}
}
}
if (val) {
fprintf(dst, "%s", val->name);
} else {
fprintf(dst, "%d", i);
}
if (elem->offsets) {
fprintf(dst, ": return 0x%08"PRIx64";\n", elem->offsets[i]);
} else {
fprintf(dst, ": return (%s);\n", elem->doffsets[i]);
}
}
fprintf(dst, "\t\tdefault: return INVALID_IDX(idx);\n");
fprintf(dst, "\t}\n");
}
fprintf(dst, "}\n");
}
fprintf (dst, "static inline uint32_t %s(", regname);
for (i = 0; i < elemsnum; i++) {
if (i)
fprintf(dst, ", ");
if (elems[i]->index)
fprintf(dst, "enum %s ", elems[i]->index->name);
else
fprintf(dst, "uint32_t ");
fprintf (dst, "i%d%n", i, &len);
}
fprintf (dst, ") { return ");
fprintf (dst, "0x%08"PRIx64"", offset + elem->offset);
for (i = 0; i < elemsnum; i++) {
if (offsetfns[i])
fprintf(dst, " + %s(i%d)", offsetfns[i], i);
else
fprintf (dst, " + %#" PRIx64 "*i%d", elems[i]->stride, i);
}
fprintf (dst, "; }\n");
} else
printdef (regname, 0, 0, offset + elem->offset, elem->file);
free(regname);
/*
if (elem->stride)
printdef (elem->fullname, "ESIZE", 0, elem->stride, elem->file);
if (elem->length != 1)
printdef (elem->fullname, "LEN", 0, elem->length, elem->file);
*/
printtypeinfo (&elem->typeinfo, NULL, elem->fullname, elem->file);
}
fprintf (findfout(elem->file), "\n");
int j;
for (j = 0; j < elem->subelemsnum; j++) {
printdelem(elem->subelems[j], offset + elem->offset, elem->varinfo.prefixstr);
}
if (elem->length != 1) {
elemsnum--;
offsetfnsnum--;
}
free(offsetfn);
}
static void print_file_info_(FILE *dst, struct stat* sb, struct tm* tm)
{
char timestr[64];
strftime(timestr, sizeof(timestr), "%Y-%m-%d %H:%M:%S", tm);
fprintf(dst, "(%7Lu bytes, from %s)\n", (unsigned long long)sb->st_size, timestr);
}
static void print_file_info(FILE *dst, const char* file)
{
struct stat sb;
struct tm tm;
stat(file, &sb);
gmtime_r(&sb.st_mtime, &tm);
print_file_info_(dst, &sb, &tm);
}
static void printhead(struct fout f, struct rnndb *db) {
int i, j;
struct stat sb;
struct tm tm;
stat(f.name, &sb);
gmtime_r(&sb.st_mtime, &tm);
fprintf (f.file, "#ifndef %s\n", f.guard);
fprintf (f.file, "#define %s\n", f.guard);
fprintf (f.file, "\n");
fprintf(f.file,
"/* Autogenerated file, DO NOT EDIT manually!\n"
"\n"
"This file was generated by the rules-ng-ng headergen tool in this git repository:\n"
"http://github.com/freedreno/envytools/\n"
"git clone https://github.com/freedreno/envytools.git\n"
"\n"
"The rules-ng-ng source files this header was generated from are:\n");
unsigned maxlen = 0;
for(i = 0; i < db->filesnum; ++i) {
unsigned len = strlen(db->files[i]);
if(len > maxlen)
maxlen = len;
}
for(i = 0; i < db->filesnum; ++i) {
unsigned len = strlen(db->files[i]);
fprintf(f.file, "- %s%*s ", db->files[i], maxlen - len, "");
print_file_info(f.file, db->files[i]);
}
fprintf(f.file,
"\n"
"Copyright (C) ");
if(db->copyright.firstyear && db->copyright.firstyear < (1900 + tm.tm_year))
fprintf(f.file, "%u-", db->copyright.firstyear);
fprintf(f.file, "%u", 1900 + tm.tm_year);
if(db->copyright.authorsnum) {
fprintf(f.file, " by the following authors:");
for(i = 0; i < db->copyright.authorsnum; ++i) {
fprintf(f.file, "\n- ");
if(db->copyright.authors[i]->name)
fprintf(f.file, "%s", db->copyright.authors[i]->name);
if(db->copyright.authors[i]->email)
fprintf(f.file, " <%s>", db->copyright.authors[i]->email);
if(db->copyright.authors[i]->nicknamesnum) {
for(j = 0; j < db->copyright.authors[i]->nicknamesnum; ++j) {
fprintf(f.file, "%s%s", (j ? ", " : " ("), db->copyright.authors[i]->nicknames[j]);
}
fprintf(f.file, ")");
}
}
}
fprintf(f.file, "\n");
if(db->copyright.license)
fprintf(f.file, "\n%s\n", db->copyright.license);
fprintf(f.file, "*/\n\n\n");
}
int main(int argc, char **argv) {
char *file;
struct rnndb *db;
int i, j;
if (argc < 2) {
fprintf(stderr, "Usage:\n\theadergen database-file\n");
exit(1);
}
if ((argc >= 3) && !strcmp(argv[1], "--no-asserts")) {
no_asserts = true;
file = argv[2];
} else {
file = argv[1];
}
rnn_init();
db = rnn_newdb();
rnn_parsefile (db, file);
rnn_prepdb (db);
for(i = 0; i < db->filesnum; ++i) {
char *dstname = malloc(strlen(db->files[i]) + 3);
char *pretty;
strcpy(dstname, db->files[i]);
strcat(dstname, ".h");
struct fout f = { db->files[i], fopen(dstname, "w") };
if (!f.file) {
perror(dstname);
exit(1);
}
free(dstname);
pretty = strrchr(f.name, '/');
if (pretty)
pretty += 1;
else
pretty = f.name;
f.guard = strdup(pretty);
for (j = 0; j < strlen(f.guard); j++)
if (isalnum(f.guard[j]))
f.guard[j] = toupper(f.guard[j]);
else
f.guard[j] = '_';
ADDARRAY(fouts, f);
printhead(f, db);
}
for (i = 0; i < db->enumsnum; i++) {
FILE *dst = NULL;
int j;
for (j = 0; j < db->enums[i]->valsnum; j++) {
if (!dst) {
dst = findfout(db->enums[i]->vals[j]->file);
fprintf(dst, "enum %s {\n", db->enums[i]->name);
}
if (0xffff0000 & db->enums[i]->vals[j]->value)
fprintf(dst, "\t%s = 0x%08"PRIx64",\n", db->enums[i]->vals[j]->name,
db->enums[i]->vals[j]->value);
else
fprintf(dst, "\t%s = %"PRIu64",\n", db->enums[i]->vals[j]->name,
db->enums[i]->vals[j]->value);
}
if (dst) {
fprintf(dst, "};\n\n");
}
}
for (i = 0; i < db->bitsetsnum; i++) {
if (db->bitsets[i]->isinline)
continue;
int j;
for (j = 0; j < db->bitsets[i]->bitfieldsnum; j++)
printbitfield (db->bitsets[i]->bitfields[j], 0);
}
for (i = 0; i < db->domainsnum; i++) {
if (db->domains[i]->size)
printdef (db->domains[i]->fullname, "SIZE", 0, db->domains[i]->size, db->domains[i]->file);
int j;
for (j = 0; j < db->domains[i]->subelemsnum; j++) {
printdelem(db->domains[i]->subelems[j], 0, NULL);
}
}
for(i = 0; i < foutsnum; ++i) {
fprintf (fouts[i].file, "\n#endif /* %s */\n", fouts[i].guard);
}
return db->estatus;
}