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-rw-r--r--utils/regtools/headergen.cpp108
1 files changed, 105 insertions, 3 deletions
diff --git a/utils/regtools/headergen.cpp b/utils/regtools/headergen.cpp
index b4ade5f186..804f7e0a3a 100644
--- a/utils/regtools/headergen.cpp
+++ b/utils/regtools/headergen.cpp
@@ -137,6 +137,68 @@ void fprint_include_guard(FILE *f, bool begin)
fprint_include_guard_ex(f, begin, name);
}
+struct limited_column_context_t
+{
+ limited_column_context_t(size_t nr_col = 80)
+ :m_nr_col(nr_col), m_prevent_wordcut(true) {}
+ void set_prefix(const std::string& prefix) { m_prefix = prefix; }
+ void add(const std::string& text)
+ {
+ for(size_t i = 0; i < text.size();)
+ {
+ size_t offset = 0;
+ if(m_cur_line.size() == 0)
+ m_cur_line = m_prefix;
+ size_t len = std::min(text.size() - i, m_nr_col - m_cur_line.size());
+ // prevent word cut
+ if(m_prevent_wordcut && !isspace(text[i + len - 1]) &&
+ i + len < text.size() && !isspace(text[i + len]))
+ {
+ size_t pos = text.find_last_of(" \t\n\v\r\f", i + len - 1);
+ if(pos == std::string::npos || pos < i)
+ len = 0;
+ else
+ len = pos - i + 1;
+ }
+ size_t pos = text.find('\n', i);
+ if(pos != std::string::npos && pos <= i + len)
+ {
+ offset = 1;
+ len = pos - i;
+ }
+ m_cur_line += text.substr(i, len);
+ // len == 0 means we need a new line
+ if(m_cur_line.size() == m_nr_col || len == 0)
+ {
+ m_lines.push_back(m_cur_line);
+ m_cur_line = "";
+ }
+ i += len + offset;
+ }
+ }
+
+ std::string to_string()
+ {
+ std::string str;
+ for(size_t i = 0; i < m_lines.size(); i++)
+ str += m_lines[i] + "\n";
+ if(m_cur_line.size() != 0)
+ str += m_cur_line + "\n";
+ return str;
+ }
+
+ void print(FILE *f)
+ {
+ fprintf(f, "%s", to_string().c_str());
+ }
+
+ std::vector< std::string > m_lines;
+ std::string m_cur_line;
+ std::string m_prefix;
+ size_t m_nr_col;
+ bool m_prevent_wordcut;
+};
+
struct define_align_context_t
{
define_align_context_t():m_max_name(0) {}
@@ -146,6 +208,11 @@ struct define_align_context_t
m_max_name = std::max(m_max_name, name.size());
}
+ void add_raw(const std::string& line)
+ {
+ m_lines.push_back(std::make_pair("", line));
+ }
+
void print(FILE *f)
{
std::string define = "#define ";
@@ -155,6 +222,12 @@ struct define_align_context_t
for(size_t i = 0; i < m_lines.size(); i++)
{
std::string name = m_lines[i].first;
+ // raw entry ?
+ if(name.size() == 0)
+ {
+ fprintf(f, "%s", m_lines[i].second.c_str());
+ continue;
+ }
name.insert(name.end(), align - define.size() - name.size(), ' ');
fprintf(f, "%s%s%s\n", define.c_str(), name.c_str(), m_lines[i].second.c_str());
}
@@ -164,8 +237,36 @@ struct define_align_context_t
std::vector< std::pair< std::string, std::string > > m_lines;
};
+limited_column_context_t print_description(const std::string& desc, const std::string& prefix)
+{
+ limited_column_context_t ctx;
+ if(desc.size() == 0)
+ return ctx;
+ ctx.set_prefix(prefix);
+ ctx.add(desc);
+ return ctx;
+}
+
+void fprint_description(FILE *f, const std::string& desc, const std::string& prefix)
+{
+ limited_column_context_t ctx = print_description(desc, prefix);
+ ctx.print(f);
+}
+
+void fprint_description(define_align_context_t& ctx, const std::string& desc, const std::string& prefix)
+{
+ limited_column_context_t ctx2 = print_description(desc, prefix);
+ ctx.add_raw(ctx2.to_string());
+}
+
void gen_soc_field(define_align_context_t& ctx, bool multidev, bool multireg, const soc_reg_field_t& field)
{
+ if(field.desc.size() != 0)
+ {
+ ctx.add_raw("/* Field: " + field.name + "\n");
+ fprint_description(ctx, "Description: " + field.desc + " */\n", " * ");
+ }
+
std::string prefix = g_soc_dev + "_" + g_soc_reg + "_" + g_soc_field;
ctx.add("BP_" + prefix, to_str(field.first_bit));
ctx.add("BM_" + prefix, "0x" + to_hex(field.bitmask()));
@@ -200,8 +301,9 @@ void gen_soc_reg(FILE *f, bool multidev, const soc_reg_t& reg)
fprintf(f, "\n");
}
fprintf(f, " * SCT: %s\n", sct ? "yes" : "no");
-
- fprintf(f, "*/\n");
+ if(reg.desc.size() != 0)
+ fprint_description(f, "Description: " + reg.desc, " * ");
+ fprintf(f, " */\n");
define_align_context_t ctx;
@@ -307,7 +409,7 @@ void gen_soc_dev_header(const std::string& filename, const xml_ver_t& ver, const
void gen_soc_headers(const std::string& prefix, const soc_t& soc)
{
- printf("Generate headers for soc %s: use directory %s\n", soc.desc.c_str(),
+ printf("Generate headers for soc %s: use directory %s\n", soc.name.c_str(),
prefix.c_str());
mkdir(prefix.c_str(), 0770);