600 lines
No EOL
20 KiB
C++
600 lines
No EOL
20 KiB
C++
/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2013 by Amaury Pouly
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#include "soc_desc.hpp"
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#include <stdio.h>
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#include <stdlib.h>
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#include <algorithm>
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#include <map>
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#include <sstream>
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#include <sys/stat.h>
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#include <sys/types.h>
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#include <getopt.h>
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#define HEADERGEN_VERSION "2.1.8"
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#define error(...) do{ fprintf(stderr, __VA_ARGS__); exit(1); } while(0)
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bool g_gen_selector = false;
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std::string g_macro_filename;
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std::string g_soc_name;
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std::string g_soc_dev;
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std::string g_soc_reg;
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std::string g_soc_field;
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std::string g_soc_dev_regs_base;
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namespace {
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std::string tolower(const std::string s)
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{
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std::string res = s;
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std::transform(res.begin(), res.end(), res.begin(), ::tolower);
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return res;
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}
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std::string toupper(const std::string& s)
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{
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std::string res = s;
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std::transform(res.begin(), res.end(), res.begin(), ::toupper);
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return res;
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}
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}
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template< typename T >
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std::string to_str(const T& v)
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{
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std::ostringstream oss;
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oss << v;
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return oss.str();
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}
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template< typename T >
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std::string to_hex(const T& v)
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{
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std::ostringstream oss;
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oss << std::hex << v;
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return oss.str();
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}
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typedef std::pair< std::string, std::string > xml_ver_t;
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void fprint_copyright(FILE *f, const std::vector< xml_ver_t >& versions)
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{
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std::ostringstream ver;
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for(size_t i = 0; i < versions.size(); i++)
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ver << " " << versions[i].first << ":" << versions[i].second;
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fprintf(f,"\
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/***************************************************************************\n\
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* __________ __ ___.\n\
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* Open \\______ \\ ____ ____ | | _\\_ |__ _______ ___\n\
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* Source | _// _ \\_/ ___\\| |/ /| __ \\ / _ \\ \\/ /\n\
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* Jukebox | | ( <_> ) \\___| < | \\_\\ ( <_> > < <\n\
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* Firmware |____|_ /\\____/ \\___ >__|_ \\|___ /\\____/__/\\_ \\\n\
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* \\/ \\/ \\/ \\/ \\/\n\
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* This file was automatically generated by headergen, DO NOT EDIT it.\n\
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* headergen version: " HEADERGEN_VERSION "\n");
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if(versions.size() > 0)
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fprintf(f, " * XML versions:%s\n", ver.str().c_str());
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fprintf(f,"\
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*\n\
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* Copyright (C) 2013 by Amaury Pouly\n\
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*\n\
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* This program is free software; you can redistribute it and/or\n\
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* modify it under the terms of the GNU General Public License\n\
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* as published by the Free Software Foundation; either version 2\n\
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* of the License, or (at your option) any later version.\n\
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*\n\
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* This software is distributed on an \"AS IS\" basis, WITHOUT WARRANTY OF ANY\n\
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* KIND, either express or implied.\n\
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*\n\
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****************************************************************************/\n");
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}
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void fprint_copyright(FILE *f, const xml_ver_t& version)
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{
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fprint_copyright(f, std::vector< xml_ver_t >(1, version));
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}
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void fprint_copyright(FILE *f)
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{
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fprint_copyright(f, std::vector< xml_ver_t >());
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}
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void fprint_include_guard_ex(FILE *f, bool begin, const std::string& name)
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{
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if(begin)
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{
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fprintf(f, "#ifndef %s\n", name.c_str());
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fprintf(f, "#define %s\n", name.c_str());
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}
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else
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fprintf(f, "#endif /* %s */\n", name.c_str());
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}
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void fprint_include_guard(FILE *f, bool begin)
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{
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std::string name = "__HEADERGEN__" + toupper(g_soc_name) + "__" + toupper(g_soc_dev)
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+ "__H__";
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fprint_include_guard_ex(f, begin, name);
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}
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struct define_align_context_t
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{
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define_align_context_t():m_max_name(0) {}
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void add(const std::string& name, const std::string& val)
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{
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m_lines.push_back(std::make_pair(name, val));
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m_max_name = std::max(m_max_name, name.size());
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}
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void print(FILE *f)
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{
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std::string define = "#define ";
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size_t align = define.size() + m_max_name + 1;
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align = ((align + 3) / 4) * 4;
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for(size_t i = 0; i < m_lines.size(); i++)
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{
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std::string name = m_lines[i].first;
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name.insert(name.end(), align - define.size() - name.size(), ' ');
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fprintf(f, "%s%s%s\n", define.c_str(), name.c_str(), m_lines[i].second.c_str());
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}
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}
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size_t m_max_name;
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std::vector< std::pair< std::string, std::string > > m_lines;
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};
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void gen_soc_field(define_align_context_t& ctx, bool multidev, bool multireg, const soc_reg_field_t& field)
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{
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std::string prefix = g_soc_dev + "_" + g_soc_reg + "_" + g_soc_field;
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ctx.add("BP_" + prefix, to_str(field.first_bit));
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ctx.add("BM_" + prefix, "0x" + to_hex(field.bitmask()));
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for(size_t i = 0; i < field.value.size(); i++)
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ctx.add("BV_" + prefix + "__" + field.value[i].name, "0x" + to_hex(field.value[i].value));
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ctx.add("BF_" + prefix + "(v)", "(((v) << " + to_str(field.first_bit) + ") & 0x" + to_hex(field.bitmask()) + ")");
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if(field.value.size() > 0)
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ctx.add("BF_" + prefix + "_V(v)", "((BV_" + prefix + "__##v" + " << " + to_str(field.first_bit) + ") & 0x" + to_hex(field.bitmask()) + ")");
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}
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void gen_soc_reg(FILE *f, bool multidev, const soc_reg_t& reg)
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{
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bool multireg = reg.addr.size() > 1;
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static const char *suffix[] = {"", "_SET", "_CLR", "_TOG"};
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bool sct = !!(reg.flags & REG_HAS_SCT);
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fprintf(f, "/**\n");
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fprintf(f, " * Register: HW_%s_%s\n", g_soc_dev.c_str(), g_soc_reg.c_str());
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fprintf(f, " * Address:");
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if(multireg && reg.formula.type == REG_FORMULA_STRING)
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{
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fprintf(f, " %s\n", reg.formula.string.c_str());
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}
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else
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{
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for(size_t i = 0; i < reg.addr.size(); i++)
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fprintf(f, " %#x", reg.addr[i].addr);
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fprintf(f, "\n");
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}
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fprintf(f, " * SCT: %s\n", sct ? "yes" : "no");
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fprintf(f, "*/\n");
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define_align_context_t ctx;
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for(int i = 0; i < (sct ? 4 : 1); i++)
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{
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std::ostringstream name;
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name << "HW_" << g_soc_dev << "_" << g_soc_reg << suffix[i];
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if(multidev || multireg)
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{
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name << "(";
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if(multidev)
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name << "d";
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if(multidev && multireg)
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name << ",";
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if(multireg)
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name << "n";
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name << ")";
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}
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std::ostringstream value;
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value << "(*(volatile unsigned long *)(" << g_soc_dev_regs_base;
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if(multidev)
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value << "(d)";
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value << " + ";
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if(multireg)
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{
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if(reg.formula.type != REG_FORMULA_STRING)
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printf("Warning: register HW_%s_%s has no formula !\n", g_soc_dev.c_str(), g_soc_reg.c_str());
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std::string formula = reg.formula.string.c_str();
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size_t pos = formula.find("n");
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while(pos != std::string::npos)
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{
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formula.replace(pos, 1, "(n)");
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pos = formula.find("n", pos + 2);
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}
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value << formula;
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}
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else
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value << "0x" << std::hex << reg.addr[0].addr;
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if(sct)
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value << " + 0x" << std::hex << (i * 4);
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value << "))";
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ctx.add(name.str(), value.str());
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}
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for(size_t i = 0; i < reg.field.size(); i++)
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{
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g_soc_field = reg.field[i].name;
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gen_soc_field(ctx, multidev, multireg, reg.field[i]);
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}
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ctx.print(f);
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fprintf(f, "\n");
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}
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void gen_soc_dev_header(const std::string& filename, const xml_ver_t& ver, const soc_dev_t& dev)
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{
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/*
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printf("Generate headers for soc %s, dev %s: use file %s\n", g_soc_name.c_str(),
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g_soc_dev.c_str(), filename.c_str());
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*/
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FILE *f = fopen(filename.c_str(), "w");
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if(f == NULL)
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{
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printf("Cannot open %s for writing: %m\n", filename.c_str());
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return;
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}
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fprint_copyright(f, ver);
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fprint_include_guard(f, true);
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if(g_macro_filename.size() > 0)
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fprintf(f, "#include \"%s\"\n", g_macro_filename.c_str());
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/* print base */
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fprintf(f, "\n");
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g_soc_dev_regs_base = "REGS_" + g_soc_dev + "_BASE";
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fprintf(f, "#define %s", g_soc_dev_regs_base.c_str());
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if(dev.addr.size() > 1)
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fprintf(f, "(i)");
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fprintf(f, " (");
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for(size_t i = 0; i < dev.addr.size() - 1; i++)
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fprintf(f, "(i) == %d ? %#x : ", (int)i + 1, dev.addr[i].addr);
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fprintf(f, "%#x)\n", dev.addr[dev.addr.size() - 1].addr);
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fprintf(f, "\n");
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/* print version */
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fprintf(f, "#define REGS_%s_VERSION \"%s\"\n\n", g_soc_dev.c_str(), dev.version.c_str());
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for(size_t i = 0; i < dev.reg.size(); i++)
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{
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g_soc_reg = dev.reg[i].name;
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gen_soc_reg(f, dev.addr.size() > 1, dev.reg[i]);
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}
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fprint_include_guard(f, false);
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fclose(f);
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}
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void gen_soc_headers(const std::string& prefix, const soc_t& soc)
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{
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printf("Generate headers for soc %s: use directory %s\n", soc.desc.c_str(),
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prefix.c_str());
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mkdir(prefix.c_str(), 0770);
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for(size_t i = 0; i < soc.dev.size(); i++)
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{
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g_soc_dev = soc.dev[i].name;
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xml_ver_t ver(soc.name, soc.dev[i].version);
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gen_soc_dev_header(prefix + "/regs-" + tolower(g_soc_dev.c_str()) + ".h", ver, soc.dev[i]);
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}
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}
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void gen_headers(const std::string& prefix, const std::vector< soc_t >& socs)
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{
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for(size_t i = 0; i < socs.size(); i++)
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{
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g_soc_name = socs[i].name;
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std::string dir = prefix;
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if(g_gen_selector)
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dir += "/" + socs[i].name;
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gen_soc_headers(dir, socs[i]);
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}
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}
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typedef std::map< std::string, std::vector< std::pair< size_t, size_t > > > general_dev_list_t;
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general_dev_list_t build_general_dev_list(const std::vector< soc_t >& socs)
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{
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general_dev_list_t map;
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for(size_t i = 0; i < socs.size(); i++)
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{
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for(size_t j = 0; j < socs[i].dev.size(); j++)
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map[tolower(socs[i].dev[j].name)].push_back(std::make_pair(i,j));
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}
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return map;
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}
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void gen_select_header(const std::string& filename, const std::string& dev,
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const std::vector< std::string >& socs, const std::vector< xml_ver_t >& ver)
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{
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std::string guard = "__SELECT__" + toupper(dev) + "__H__";
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FILE *f = fopen(filename.c_str(), "w");
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if(f == NULL)
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error("Cannot open file %s\n", filename.c_str());
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fprint_copyright(f, ver);
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fprint_include_guard_ex(f, true, guard);
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if(g_macro_filename.size() > 0)
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fprintf(f, "#include \"%s\"\n", g_macro_filename.c_str());
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fprintf(f, "\n");
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for(size_t i = 0; i < socs.size(); i++)
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{
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fprintf(f, "#define %s_INCLUDE \"%s/regs-%s.h\"\n",
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toupper(socs[i]).c_str(), tolower(socs[i]).c_str(),
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tolower(dev).c_str());
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}
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fprintf(f, "\n#include \"regs-select.h\"\n\n");
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for(size_t i = 0; i < socs.size(); i++)
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{
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fprintf(f, "#undef %s_INCLUDE\n", toupper(socs[i]).c_str());
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}
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fprintf(f, "\n");
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fprint_include_guard_ex(f, false, guard);
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fclose(f);
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}
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void gen_selectors(const std::string& prefix, const std::vector< soc_t >& socs)
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{
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printf("Generate select headers: use directory %s\n", prefix.c_str());
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general_dev_list_t map = build_general_dev_list(socs);
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for(general_dev_list_t::iterator it = map.begin(); it != map.end(); ++it)
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{
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std::vector< xml_ver_t > ver;
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std::vector< std::string > names;
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for(size_t i = 0; i < it->second.size(); i++)
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{
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size_t soc_nr = it->second[i].first;
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size_t dev_in_soc_nr = it->second[i].second;
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ver.push_back(std::make_pair(socs[soc_nr].name, socs[soc_nr].dev[dev_in_soc_nr].version));
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names.push_back(socs[soc_nr].name);
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}
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gen_select_header(prefix + "/regs-" + it->first + ".h", it->first, names, ver);
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}
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}
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void gen_macro_list(FILE *f, const std::string& prefix, int count, int nr_digits,
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const std::string& sep, int max_per_line = 1000, const std::string& align = "")
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{
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for(int i = 1; i <= count;)
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{
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for(int j = i; j <= std::min(count, i + max_per_line - 1); j++)
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{
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fprintf(f, "%s%0*d", prefix.c_str(), nr_digits, j);
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if(j < count)
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fprintf(f, "%s", sep.c_str());
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}
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i += max_per_line;
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if(i <= count)
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fprintf(f, "\\\n%s", align.c_str());
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}
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}
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void gen_macro(const std::string& filename, bool variadic)
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{
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printf("Generate %smacro header: use %s\n", variadic ? "": "non-variadic ",
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filename.c_str());
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std::string guard = "__REGS__MACRO__H__";
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FILE *f = fopen(filename.c_str(), "w");
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if(f == NULL)
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error("Cannot open file %s\n", filename.c_str());
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fprint_copyright(f);
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fprint_include_guard_ex(f, true, guard);
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fprintf(f, "\n");
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#define REG_WRITE "REG_WRITE"
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fprintf(f, "#ifndef %s\n", REG_WRITE);
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fprintf(f, "#define %s(var,value) ((var) = (value))\n", REG_WRITE);
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fprintf(f, "#endif /* %s */\n", REG_WRITE);
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fprintf(f, "\n");
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#define REG_READ "REG_READ"
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fprintf(f, "#ifndef %s\n", REG_READ);
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fprintf(f, "#define %s(var) (var)\n", REG_READ);
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fprintf(f, "#endif /* %s */\n", REG_READ);
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fprintf(f, "\n");
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const int MAX_NARGS = 32;
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fprintf(f, "\
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#define BF_SET(reg, field) "REG_WRITE"(HW_##reg##_SET, BM_##reg##_##field)\n\
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#define BF_CLR(reg, field) "REG_WRITE"(HW_##reg##_CLR, BM_##reg##_##field)\n\
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#define BF_TOG(reg, field) "REG_WRITE"(HW_##reg##_TOG, BM_##reg##_##field)\n\
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\n\
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#define BF_SETV(reg, field, v) "REG_WRITE"(HW_##reg##_SET, BF_##reg##_##field(v))\n\
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#define BF_CLRV(reg, field, v) "REG_WRITE"(HW_##reg##_CLR, BF_##reg##_##field(v))\n\
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#define BF_TOGV(reg, field, v) "REG_WRITE"(HW_##reg##_TOG, BF_##reg##_##field(v))\n\
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\n\
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#define BF_RDX(val, reg, field) (("REG_READ"(val) & BM_##reg##_##field) >> BP_##reg##_##field)\n\
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#define BF_RD(reg, field) BF_RDX("REG_READ"(HW_##reg), reg, field)\n\
|
|
#define BF_WRX(val, reg, field, v) "REG_WRITE"(val, ("REG_READ"(val) & ~BM_##reg##_##field) | (((v) << BP_##reg##_##field) & BM_##reg##_##field))\n\
|
|
#define BF_WR(reg, field, v) BF_WRX(HW_##reg, reg, field, v)\n\
|
|
#define BF_WR_V(reg, field, sy) BF_WR(reg, field, BV_##reg##_##field##__##sy)\n\
|
|
#define BF_WR_VX(val, reg, field, sy) BF_WRX(val, reg, field, BV_##reg##_##field##__##sy)\n\
|
|
\n\
|
|
#define BF_SETn(reg, n, field) "REG_WRITE"(HW_##reg##_SET(n), BM_##reg##_##field)\n\
|
|
#define BF_CLRn(reg, n, field) "REG_WRITE"(HW_##reg##_CLR(n), BM_##reg##_##field)\n\
|
|
#define BF_TOGn(reg, n, field) "REG_WRITE"(HW_##reg##_TOG(n), BM_##reg##_##field)\n\
|
|
\n\
|
|
#define BF_SETVn(reg, n, field, v) "REG_WRITE"(HW_##reg##_SET(n), BF_##reg##_##field(v))\n\
|
|
#define BF_CLRVn(reg, n, field, v) "REG_WRITE"(HW_##reg##_CLR(n), BF_##reg##_##field(v))\n\
|
|
#define BF_TOGVn(reg, n, field, v) "REG_WRITE"(HW_##reg##_TOG(n), BF_##reg##_##field(v))\n\
|
|
\n\
|
|
#define BF_RDn(reg, n, field) BF_RDX(HW_##reg(n), reg, field)\n\
|
|
#define BF_WRn(reg, n, field, v) BF_WRX(HW_##reg(n), reg, field, v)\n\
|
|
#define BF_WRn_V(reg, n, field, sy) BF_WRn(reg, n, field, BV_##reg##_##field##__##sy)\n\
|
|
\n");
|
|
|
|
for(int nargs = 1; nargs <= MAX_NARGS; nargs++)
|
|
{
|
|
fprintf(f, "#define BM_OR%d(reg, ", nargs);
|
|
gen_macro_list(f, "f", nargs, 2, ", ", 10, " ");
|
|
fprintf(f, ") \\\n (");
|
|
gen_macro_list(f, "BM_##reg##_##f", nargs, 2, " | ", 4, " ");
|
|
fprintf(f, ")\n");
|
|
}
|
|
fprintf(f, "\n");
|
|
|
|
for(int nargs = 1; nargs <= MAX_NARGS; nargs++)
|
|
{
|
|
fprintf(f, "#define BF_OR%d(reg, ", nargs);
|
|
gen_macro_list(f, "f", nargs, 2, ", ", 10, " ");
|
|
fprintf(f, ") \\\n (");
|
|
gen_macro_list(f, "BF_##reg##_##f", nargs, 2, " | ", 4, " ");
|
|
fprintf(f, ")\n");
|
|
}
|
|
fprintf(f, "\n");
|
|
|
|
if(variadic)
|
|
{
|
|
fprintf(f, "#define REG_NARG(...) REG_NARGS_(__VA_ARGS__");
|
|
for(int i = MAX_NARGS; i >= 1; i--)
|
|
fprintf(f, ", %d", i);
|
|
fprintf(f, ")\n");
|
|
fprintf(f, "#define REG_NARGS_(");
|
|
gen_macro_list(f, "_", MAX_NARGS, 1, ", ");
|
|
fprintf(f, ", N, ...) N\n\n");
|
|
|
|
fprintf(f, "#define REG_VARIADIC(macro, reg, ...) REG_VARIADIC_(macro, REG_NARG(__VA_ARGS__), reg, __VA_ARGS__)\n");
|
|
fprintf(f, "#define REG_VARIADIC_(macro, cnt, reg, ...) REG_VARIADIC__(macro, cnt, reg, __VA_ARGS__)\n");
|
|
fprintf(f, "#define REG_VARIADIC__(macro, cnt, reg, ...) REG_VARIADIC___(macro##cnt, reg, __VA_ARGS__)\n");
|
|
fprintf(f, "#define REG_VARIADIC___(macro, reg, ...) macro(reg, __VA_ARGS__)\n\n");
|
|
|
|
fprintf(f, "#define BM_OR(reg, ...) REG_VARIADIC(BM_OR, reg, __VA_ARGS__)\n");
|
|
fprintf(f, "#define BF_OR(reg, ...) REG_VARIADIC(BF_OR, reg, __VA_ARGS__)\n");
|
|
}
|
|
|
|
fprint_include_guard_ex(f, false, guard);
|
|
fclose(f);
|
|
}
|
|
|
|
void usage()
|
|
{
|
|
printf("usage: headergen [options] <desc files...> <output directory>\n");
|
|
printf("options:\n");
|
|
printf(" -?/--help Dispaly this help\n");
|
|
printf(" -s/--selector Always produce selector files\n");
|
|
printf(" -m/--no-macro Do not generate a macro file with helpers\n");
|
|
printf(" -i/--no-include Do not include the macro file in the headers\n");
|
|
printf(" -v/--no-variadic Do not generate variadic macros\n");
|
|
printf("Default option is to generate a macro file with variadic macros.\n");
|
|
printf("Default option is to include the macro file in the headers.\n");
|
|
printf("Default option is to generate selector files only for two or more socs.\n");
|
|
printf("Default option is to create one subdirectory per soc, except if no\n");
|
|
printf("selector files are needed. The subdirectories will be created if\n");
|
|
printf("necessary.\n");
|
|
exit(1);
|
|
}
|
|
|
|
int main(int argc, char **argv)
|
|
{
|
|
bool force_selector = false;
|
|
bool no_variadic = false;
|
|
bool no_macro = false;
|
|
bool no_include = false;
|
|
if(argc <= 1)
|
|
usage();
|
|
|
|
while(1)
|
|
{
|
|
static struct option long_options[] =
|
|
{
|
|
{"help", no_argument, 0, '?'},
|
|
{"selector", no_argument, 0, 's'},
|
|
{"no-macro", no_argument, 0, 'm'},
|
|
{"no-include", no_argument, 0, 'i'},
|
|
{"no-variadic", no_argument, 0, 'v'},
|
|
{0, 0, 0, 0}
|
|
};
|
|
|
|
int c = getopt_long(argc, argv, "?smiv", long_options, NULL);
|
|
if(c == -1)
|
|
break;
|
|
switch(c)
|
|
{
|
|
case -1:
|
|
break;
|
|
case '?':
|
|
usage();
|
|
break;
|
|
case 's':
|
|
force_selector = true;
|
|
break;
|
|
case 'm':
|
|
no_macro = true;
|
|
break;
|
|
case 'i':
|
|
no_include = true;
|
|
break;
|
|
case 'v':
|
|
no_variadic = true;
|
|
break;
|
|
default:
|
|
abort();
|
|
}
|
|
}
|
|
|
|
std::vector< soc_t > socs;
|
|
for(int i = optind; i < argc - 1; i++)
|
|
if(!soc_desc_parse_xml(argv[i], socs))
|
|
{
|
|
printf("Cannot parse %s\n", argv[i]);
|
|
return 1;
|
|
}
|
|
|
|
g_gen_selector = force_selector || socs.size() > 1;
|
|
|
|
if(!no_macro)
|
|
{
|
|
g_macro_filename = std::string(argv[argc - 1]) + "/regs-macro.h";
|
|
gen_macro(g_macro_filename, !no_variadic);
|
|
g_macro_filename = "regs-macro.h";
|
|
if(no_include)
|
|
g_macro_filename.clear();
|
|
}
|
|
if(g_gen_selector)
|
|
{
|
|
gen_selectors(argv[argc - 1], socs);
|
|
g_macro_filename.clear();
|
|
}
|
|
gen_headers(argv[argc - 1], socs);
|
|
return 0;
|
|
} |