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-rw-r--r--utils/regtools/hwemulgen.cpp387
1 files changed, 387 insertions, 0 deletions
diff --git a/utils/regtools/hwemulgen.cpp b/utils/regtools/hwemulgen.cpp
new file mode 100644
index 0000000000..ae8b9dbec5
--- /dev/null
+++ b/utils/regtools/hwemulgen.cpp
@@ -0,0 +1,387 @@
+/***************************************************************************
+ * __________ __ ___.
+ * Open \______ \ ____ ____ | | _\_ |__ _______ ___
+ * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
+ * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
+ * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
+ * \/ \/ \/ \/ \/
+ * $Id$
+ *
+ * Copyright (C) 2002 by Amaury Pouly
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+#include "desc_parser.hpp"
+#include <stdio.h>
+#include <stdlib.h>
+#include <algorithm>
+#include <map>
+
+#define error(...) do{ fprintf(stderr, __VA_ARGS__); exit(1); } while(0)
+
+int g_soc_count;
+int g_reg_count;
+int g_field_count;
+
+namespace {
+
+std::string tolower(const std::string s)
+{
+ std::string res = s;
+ std::transform(res.begin(), res.end(), res.begin(), ::tolower);
+ return res;
+}
+
+std::string toupper(const std::string& s)
+{
+ std::string res = s;
+ std::transform(res.begin(), res.end(), res.begin(), ::toupper);
+ return res;
+}
+
+bool lex_comp(const std::string& a, const std::string& b)
+{
+ return std::lexicographical_compare(a.begin(), a.end(), b.begin(), b.end());
+}
+
+}
+
+void fprint_copyright(FILE *f)
+{
+ fprintf(f,"\
+/***************************************************************************\n\
+ * __________ __ ___.\n\
+ * Open \\______ \\ ____ ____ | | _\\_ |__ _______ ___\n\
+ * Source | _// _ \\_/ ___\\| |/ /| __ \\ / _ \\ \\/ /\n\
+ * Jukebox | | ( <_> ) \\___| < | \\_\\ ( <_> > < <\n\
+ * Firmware |____|_ /\\____/ \\___ >__|_ \\|___ /\\____/__/\\_ \\\n\
+ * \\/ \\/ \\/ \\/ \\/\n\
+ * This file was automatically generated by hwemulgen, DO NOT EDIT it.\n\
+ *\n\
+ * Copyright (C) 2012 by Amaury Pouly\n\
+ *\n\
+ * This program is free software; you can redistribute it and/or\n\
+ * modify it under the terms of the GNU General Public License\n\
+ * as published by the Free Software Foundation; either version 2\n\
+ * of the License, or (at your option) any later version.\n\
+ *\n\
+ * This software is distributed on an \"AS IS\" basis, WITHOUT WARRANTY OF ANY\n\
+ * KIND, either express or implied.\n\
+ *\n\
+ ****************************************************************************/\n");
+}
+
+void gen_header(const std::string& filename)
+{
+ FILE *f = fopen(filename.c_str(), "w");
+ if(f == NULL)
+ error("Cannot open file %s\n", filename.c_str());
+ fprint_copyright(f);
+ fprintf(f, "#ifndef __HWEMUL_SOC_HEADER__\n");
+ fprintf(f, "#define __HWEMUL_SOC_HEADER__\n");
+ fprintf(f, "\n");
+ fprintf(f, "#include \"stddef.h\"\n");
+ fprintf(f, "#include \"stdint.h\"\n");
+
+ fprintf(f, "\n\
+#define HWEMUL_SOC_REG_HAS_SCT (1 << 0)\n\
+\n\
+struct hwemul_soc_reg_field_t\n\
+{\n\
+ const char *name;\n\
+ unsigned short first_bit, last_bit;\n\
+};\n\
+\n\
+struct hwemul_soc_reg_t\n\
+{\n\
+ const char *name;\n\
+ uint32_t addr;\n\
+ uint32_t flags;\n\
+ size_t nr_fields;\n\
+ struct hwemul_soc_reg_field_t *fields_by_name[]; /* ordered by lexicographic order */\n\
+};\n\
+\n\
+struct hwemul_soc_t\n\
+{\n\
+ const char *name;\n\
+ size_t nr_regs;\n\
+ struct hwemul_soc_reg_t *regs_by_name[]; /* ordered by lexicographic order */\n\
+};\n\
+\n\
+struct hwemul_soc_list_t\n\
+{\n\
+ size_t nr_socs;\n\
+ struct hwemul_soc_t *socs[];\n\
+};\n\
+\n\
+struct hwemul_soc_list_t *hwemul_get_soc_list(void);\n\
+\n");
+
+ fprintf(f, "#endif\n");
+ fclose(f);
+}
+
+std::string extract_last_part(std::string s)
+{
+ size_t pos = s.find_last_of("/\\");
+ if(pos != std::string::npos)
+ s = s.substr(pos + 1);
+ pos = s.find_last_of(".");
+ if(pos != std::string::npos)
+ s = s.substr(0, pos);
+ return s;
+}
+
+std::vector< std::string > gen_fields(FILE *f, std::string prefix,
+ const std::vector< soc_reg_field_t >& fields)
+{
+ std::vector< std::string > list;
+
+ for(size_t i = 0; i < fields.size(); i++)
+ {
+ g_field_count++;
+ std::string var_name = prefix + tolower(fields[i].name);
+ list.push_back(var_name);
+
+ fprintf(f, "\
+static struct hwemul_soc_reg_field_t %s =\n\
+{\n\
+ \"%s\",\n\
+ %d, %d\n\
+};\n\
+\n", var_name.c_str(), fields[i].name.c_str(), fields[i].first_bit, fields[i].last_bit);
+ }
+
+ return list;
+}
+
+std::vector< std::string > gen_common_regs(FILE *f, std::string prefix, std::string devname,
+ soc_addr_t devaddr, const std::vector< soc_reg_t >& regs,
+ const std::vector< soc_multireg_t >& multiregs)
+{
+ std::vector< std::string > list;
+
+ for(size_t i = 0; i < regs.size(); i++)
+ {
+ g_reg_count++;
+ std::string var_name = prefix + tolower(regs[i].name);
+
+ list.push_back(var_name);
+
+ std::vector< std::string > field_vars = gen_fields(f, var_name + "_",
+ regs[i].fields);
+
+ std::sort(field_vars.begin(), field_vars.end(), lex_comp);
+
+ fprintf(f, "\
+static struct hwemul_soc_reg_t %s =\n\
+{\n\
+ \"HW_%s_%s\",\n\
+ %#x,\n\
+ 0", var_name.c_str(), devname.c_str(), regs[i].name.c_str(), devaddr + regs[i].addr);
+ if(regs[i].flags & REG_HAS_SCT)
+ fprintf(f, " | HWEMUL_SOC_REG_HAS_SCT");
+ fprintf(f, ",\n");
+ fprintf(f, "\
+ %u,\n\
+ {", (unsigned)field_vars.size());
+ if(field_vars.size() != 0)
+ fprintf(f, "\n");
+ for(size_t j = 0; j < field_vars.size(); j++)
+ fprintf(f, " &%s,\n", field_vars[j].c_str());
+ if(field_vars.size() != 0)
+ fprintf(f, " ");
+ fprintf(f,"\
+}\n};\n\
+\n");
+ }
+
+ for(size_t i = 0; i < multiregs.size(); i++)
+ {
+ g_reg_count++;
+ std::vector< std::string > field_vars = gen_fields(f,
+ prefix + tolower(multiregs[i].name) + "_", multiregs[i].fields);
+ std::sort(field_vars.begin(), field_vars.end(), lex_comp);
+
+ for(size_t j = 0; j < multiregs[i].regs.size(); j++)
+ {
+ g_reg_count++;
+ std::string var_name = prefix + tolower(multiregs[i].regs[j].name);
+
+ list.push_back(var_name);
+
+ fprintf(f, "\
+static struct hwemul_soc_reg_t %s =\n\
+{\n\
+ \"HW_%s_%s\",\n\
+ %#x,\n\
+ 0", var_name.c_str(), devname.c_str(), multiregs[i].regs[j].name.c_str(), devaddr + multiregs[i].regs[j].addr);
+ if(multiregs[i].flags & REG_HAS_SCT)
+ fprintf(f, " | HWEMUL_SOC_REG_HAS_SCT");
+ fprintf(f, ",\n");
+ fprintf(f,"\
+ %u,\n\
+ {", (unsigned)field_vars.size());
+ if(field_vars.size() != 0)
+ fprintf(f, "\n");
+ for(size_t k = 0; k < field_vars.size(); k++)
+ fprintf(f, " &%s,\n", field_vars[k].c_str());
+ if(field_vars.size() != 0)
+ fprintf(f, " ");
+ fprintf(f,"\
+}\n};\n\
+\n");
+ }
+ }
+
+ return list;
+}
+
+std::vector< std::string > gen_dev_regs(FILE *f, std::string prefix, const soc_dev_t& dev)
+{
+ return gen_common_regs(f, prefix + tolower(dev.name) + "_", dev.name, dev.addr,
+ dev.regs, dev.multiregs);
+}
+
+std::vector< std::string > gen_multidev_regs(FILE *f, std::string prefix, const soc_multidev_t& mdev)
+{
+ std::vector< std::string > list;
+
+ for(size_t i = 0; i < mdev.devs.size(); i++)
+ {
+ std::vector< std::string > sub_list = gen_common_regs(f,
+ prefix + tolower(mdev.devs[i].name) + "_", mdev.devs[i].name,
+ mdev.devs[i].addr, mdev.regs, mdev.multiregs);
+ list.insert(list.end(), sub_list.begin(), sub_list.end());
+ }
+
+ return list;
+}
+
+std::vector< std::string > gen_regs(FILE *f, std::string prefix, const soc_t& soc)
+{
+ std::vector< std::string > list;
+
+ for(size_t i = 0; i < soc.devs.size(); i++)
+ {
+ std::vector< std::string > sub_list = gen_dev_regs(f,
+ prefix, soc.devs[i]);
+ list.insert(list.end(), sub_list.begin(), sub_list.end());
+ }
+
+ for(size_t i = 0; i < soc.multidevs.size(); i++)
+ {
+ std::vector< std::string > sub_list = gen_multidev_regs(f,
+ prefix, soc.multidevs[i]);
+ list.insert(list.end(), sub_list.begin(), sub_list.end());
+ }
+
+ return list;
+}
+
+std::vector< std::string > gen_socs(FILE *f, std::string prefix, const std::vector< soc_t >& socs)
+{
+ std::vector< std::string > list;
+ for(size_t i = 0; i < socs.size(); i++)
+ {
+ g_soc_count++;
+ std::string var_name = prefix + socs[i].name;
+ list.push_back(var_name);
+
+ std::vector< std::string > reg_vars = gen_regs(f, var_name + "_", socs[i]);
+
+ std::sort(reg_vars.begin(), reg_vars.end(), lex_comp);
+
+ fprintf(f, "\
+static struct hwemul_soc_t %s =\n\
+{\n\
+ \"%s\",\n\
+ %u,\n\
+ {\n", var_name.c_str(), socs[i].name.c_str(), (unsigned)reg_vars.size());
+
+ for(size_t j = 0; j < reg_vars.size(); j++)
+ fprintf(f, " &%s,\n", reg_vars[j].c_str());
+ fprintf(f, "\
+ }\n\
+};\n\
+\n");
+ }
+
+ return list;
+}
+
+void gen_impl(const std::string& filename, const std::vector< soc_t >& socs)
+{
+ FILE *f = fopen(filename.c_str(), "w");
+ if(f == NULL)
+ error("Cannot open file %s\n", filename.c_str());
+ fprint_copyright(f);
+ std::string last_part = extract_last_part(filename);
+ fprintf(f, "#include \"%s.h\"\n\n", last_part.c_str());
+
+ std::vector< std::string > socs_var = gen_socs(f, "soc_", socs);
+
+ fprintf(f, "\
+static struct hwemul_soc_list_t hwemul_soc_list =\n\
+{\n\
+ %u,\n\
+ {", (unsigned) socs_var.size());
+
+ for(size_t i = 0; i < socs_var.size(); i++)
+ {
+ fprintf(f, "&%s", socs_var[i].c_str());
+ if(i + 1 != socs_var.size())
+ fprintf(f, ", ");
+ }
+ fprintf(f, "\
+}\n\
+};\n\
+\n");
+
+ fprintf(f,"\
+struct hwemul_soc_list_t *hwemul_get_soc_list(void)\n\
+{\n\
+ return &hwemul_soc_list;\n\
+}\n\
+\n");
+
+ fclose(f);
+}
+
+void gen_files(const std::string& output, const std::vector< soc_t >& socs)
+{
+ gen_header(output + ".h");
+ gen_impl(output + ".c", socs);
+}
+
+void usage()
+{
+ printf("usage: headergen <desc file list> <output file prefix>\n");
+ exit(1);
+}
+
+int main(int argc, char **argv)
+{
+ if(argc < 3)
+ usage();
+ std::vector< soc_t > socs;
+ for(int i = 1; i < argc - 1; i++)
+ {
+ bool ret = parse_soc_desc(argv[i], socs);
+ if(!ret)
+ {
+ printf("Cannot parse '%s'\n", argv[i]);
+ return 1;
+ }
+ }
+ gen_files(argv[argc - 1], socs);
+ printf("%d socs, %d registers and %d fields dumped!\n", g_soc_count, g_reg_count, g_field_count);
+ return 0;
+} \ No newline at end of file