Mesa (master): radeonsi: generate register and packet tables for an IB parser from sid.h
Marek Olšák
mareko at kemper.freedesktop.org
Wed Aug 26 17:25:37 UTC 2015
Module: Mesa
Branch: master
Commit: a6a6c68955bb8526aac3c04af96fdfdee71bc8bc
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=a6a6c68955bb8526aac3c04af96fdfdee71bc8bc
Author: Marek Olšák <marek.olsak at amd.com>
Date: Sat Aug 15 23:44:04 2015 +0200
radeonsi: generate register and packet tables for an IB parser from sid.h
This makes writing a good IB parser a lot easier.
It generates 2 tables:
- packet3 table
- register table with all registers, fields, and named values
Acked-by: Christian König <christian.koenig at amd.com>
Acked-by: Alex Deucher <alexander.deucher at amd.com>
---
src/gallium/drivers/radeonsi/.gitignore | 1 +
src/gallium/drivers/radeonsi/Makefile.am | 9 ++
src/gallium/drivers/radeonsi/Makefile.sources | 1 +
src/gallium/drivers/radeonsi/sid_tables.py | 179 +++++++++++++++++++++++++
4 files changed, 190 insertions(+)
diff --git a/src/gallium/drivers/radeonsi/.gitignore b/src/gallium/drivers/radeonsi/.gitignore
new file mode 100644
index 0000000..e0ee798
--- /dev/null
+++ b/src/gallium/drivers/radeonsi/.gitignore
@@ -0,0 +1 @@
+sid_tables.h
diff --git a/src/gallium/drivers/radeonsi/Makefile.am b/src/gallium/drivers/radeonsi/Makefile.am
index aa79c5e..ae5035a 100644
--- a/src/gallium/drivers/radeonsi/Makefile.am
+++ b/src/gallium/drivers/radeonsi/Makefile.am
@@ -31,3 +31,12 @@ AM_CFLAGS = \
noinst_LTLIBRARIES = libradeonsi.la
libradeonsi_la_SOURCES = $(C_SOURCES)
+
+sid_tables.h: $(srcdir)/sid_tables.py $(srcdir)/sid.h
+ $(AM_V_GEN) $(PYTHON2) $(srcdir)/sid_tables.py $(srcdir)/sid.h > $@
+
+EXTRA_DIST = \
+ sid_tables.py
+
+BUILT_SOURCES =\
+ sid_tables.h
diff --git a/src/gallium/drivers/radeonsi/Makefile.sources b/src/gallium/drivers/radeonsi/Makefile.sources
index ae8fe59..fd44807 100644
--- a/src/gallium/drivers/radeonsi/Makefile.sources
+++ b/src/gallium/drivers/radeonsi/Makefile.sources
@@ -7,6 +7,7 @@ C_SOURCES := \
si_debug.c \
si_descriptors.c \
sid.h \
+ sid_tables.h \
si_dma.c \
si_hw_context.c \
si_pipe.c \
diff --git a/src/gallium/drivers/radeonsi/sid_tables.py b/src/gallium/drivers/radeonsi/sid_tables.py
new file mode 100755
index 0000000..1fe5d3c
--- /dev/null
+++ b/src/gallium/drivers/radeonsi/sid_tables.py
@@ -0,0 +1,179 @@
+#!/usr/bin/env python
+
+CopyRight = '''
+/*
+ * Copyright 2015 Advanced Micro Devices, 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
+ * on 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 AUTHOR(S) AND/OR THEIR SUPPLIERS 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.
+ *
+ */
+'''
+
+import sys
+import re
+
+
+class Field:
+ def __init__(self, reg, s_name):
+ self.s_name = s_name
+ self.name = strip_prefix(s_name)
+ self.values = []
+ self.varname_values = '%s__%s__values' % (reg.r_name.lower(), self.name.lower())
+
+class Reg:
+ def __init__(self, r_name):
+ self.r_name = r_name
+ self.name = strip_prefix(r_name)
+ self.fields = []
+ self.varname_fields = '%s__fields' % self.r_name.lower()
+ self.own_fields = True
+
+
+def strip_prefix(s):
+ '''Strip prefix in the form ._.*_, e.g. R_001234_'''
+ return s[s[2:].find('_')+3:]
+
+
+def parse(filename):
+ stream = open(filename)
+ regs = []
+ packets = []
+
+ for line in stream:
+ if not line.startswith('#define '):
+ continue
+
+ line = line[8:].strip()
+
+ if line.startswith('R_'):
+ reg = Reg(line.split()[0])
+ regs.append(reg)
+
+ elif line.startswith('S_'):
+ field = Field(reg, line[:line.find('(')])
+ reg.fields.append(field)
+
+ elif line.startswith('V_'):
+ field.values.append(line.split()[0])
+
+ elif line.startswith('PKT3_') and line.find('0x') != -1 and line.find('(') == -1:
+ packets.append(line.split()[0])
+
+ # Copy fields to indexed registers which have their fields only defined
+ # at register index 0.
+ # For example, copy fields from CB_COLOR0_INFO to CB_COLORn_INFO, n > 0.
+ match_number = re.compile('[0-9]+')
+ reg_dict = dict()
+
+ # Create a dict of registers with fields and '0' in their name
+ for reg in regs:
+ if len(reg.fields) and reg.name.find('0') != -1:
+ reg_dict[reg.name] = reg
+
+ # Assign fields
+ for reg in regs:
+ if not len(reg.fields):
+ reg0 = reg_dict.get(match_number.sub('0', reg.name))
+ if reg0 != None:
+ reg.fields = reg0.fields
+ reg.varname_fields = reg0.varname_fields
+ reg.own_fields = False
+
+ return (regs, packets)
+
+
+def write_tables(tables):
+ regs = tables[0]
+ packets = tables[1]
+
+ print '/* This file is autogenerated by sid_tables.py from sid.h. Do not edit directly. */'
+ print
+ print CopyRight.strip()
+ print '''
+#ifndef SID_TABLES_H
+#define SID_TABLES_H
+
+struct si_field {
+ const char *name;
+ unsigned mask;
+ unsigned num_values;
+ const char **values;
+};
+
+struct si_reg {
+ const char *name;
+ unsigned offset;
+ unsigned num_fields;
+ const struct si_field *fields;
+};
+
+struct si_packet3 {
+ const char *name;
+ unsigned op;
+};
+'''
+
+ print 'static const struct si_packet3 packet3_table[] = {'
+ for pkt in packets:
+ print '\t{"%s", %s},' % (pkt[5:], pkt)
+ print '};'
+ print
+
+ for reg in regs:
+ if len(reg.fields) and reg.own_fields:
+ for field in reg.fields:
+ if len(field.values):
+ print 'static const char *%s[] = {' % (field.varname_values)
+ for value in field.values:
+ print '\t[%s] = "%s",' % (value, strip_prefix(value))
+ print '};'
+ print
+
+ print 'static const struct si_field %s[] = {' % (reg.varname_fields)
+ for field in reg.fields:
+ if len(field.values):
+ print '\t{"%s", %s(~0u), ARRAY_SIZE(%s), %s},' % (field.name,
+ field.s_name, field.varname_values, field.varname_values)
+ else:
+ print '\t{"%s", %s(~0u)},' % (field.name, field.s_name)
+ print '};'
+ print
+
+ print 'static const struct si_reg reg_table[] = {'
+ for reg in regs:
+ if len(reg.fields):
+ print '\t{"%s", %s, ARRAY_SIZE(%s), %s},' % (reg.name, reg.r_name,
+ reg.varname_fields, reg.varname_fields)
+ else:
+ print '\t{"%s", %s},' % (reg.name, reg.r_name)
+ print '};'
+ print
+ print '#endif'
+
+
+def main():
+ tables = []
+ for arg in sys.argv[1:]:
+ tables.extend(parse(arg))
+ write_tables(tables)
+
+
+if __name__ == '__main__':
+ main()
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