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Merge pull request #7133 from lioncash/assembler 

DSPAssembler: Minor changes
This commit is contained in:
Markus Wick 2018-06-21 10:02:36 +02:00 committed by GitHub
parent b4b9b53239 9c3c92329e
commit d8ba3034c3
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 74 additions and 78 deletions
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116
Source/Core/Core/DSP/DSPAssembler.cpp
View File

@ -51,9 +51,7 @@ static const char* err_string[] = {"",
"Number out of range",
"Program counter out of range"};
DSPAssembler::DSPAssembler(const AssemblerSettings& settings)
: m_cur_addr(0), m_cur_pass(0), m_current_param(0), settings_(settings)
DSPAssembler::DSPAssembler(const AssemblerSettings& settings) : m_settings(settings)
{
}
@ -69,10 +67,10 @@ bool DSPAssembler::Assemble(const std::string& text, std::vector<u16>& code,
return false;
// We now have the size of the output buffer
if (m_totalSize <= 0)
if (m_total_size <= 0)
return false;
m_output_buffer.resize(m_totalSize);
m_output_buffer.resize(m_total_size);
InitPass(2);
if (!AssemblePass(text, 2))
@ -82,18 +80,18 @@ bool DSPAssembler::Assemble(const std::string& text, std::vector<u16>& code,
m_output_buffer.clear();
m_output_buffer.shrink_to_fit();
last_error_str = "(no errors)";
last_error = AssemblerError::OK;
m_last_error_str = "(no errors)";
m_last_error = AssemblerError::OK;
return true;
}
void DSPAssembler::ShowError(AssemblerError err_code, const char* extra_info)
{
if (!settings_.force)
failed = true;
if (!m_settings.force)
m_failed = true;
std::string error = StringFromFormat("%u : %s ", code_line, cur_line.c_str());
std::string error = StringFromFormat("%u : %s ", m_code_line, m_cur_line.c_str());
if (!extra_info)
extra_info = "-";
@ -101,16 +99,16 @@ void DSPAssembler::ShowError(AssemblerError err_code, const char* extra_info)
if (m_current_param == 0)
{
error += StringFromFormat("ERROR: %s Line: %u : %s\n", error_string, code_line, extra_info);
error += StringFromFormat("ERROR: %s Line: %u : %s\n", error_string, m_code_line, extra_info);
}
else
{
error += StringFromFormat("ERROR: %s Line: %u Param: %d : %s\n", error_string, code_line,
error += StringFromFormat("ERROR: %s Line: %u Param: %d : %s\n", error_string, m_code_line,
m_current_param, extra_info);
}
last_error_str = std::move(error);
last_error = err_code;
m_last_error_str = std::move(error);
m_last_error = err_code;
}
static char* skip_spaces(char* ptr)
@ -203,7 +201,7 @@ s32 DSPAssembler::ParseValue(const char* str)
{
// Lookup label
u16 value;
if (labels.GetLabelValue(ptr, &value))
if (m_labels.GetLabelValue(ptr, &value))
return value;
if (m_cur_pass == 2)
ShowError(AssemblerError::UnknownLabel, str);
@ -335,7 +333,7 @@ u32 DSPAssembler::ParseExpression(const char* ptr)
val = 0x10000 +
(val &
0xffff); // ATTENTION: avoid a terrible bug!!! number cannot write with '-' in sprintf
fprintf(stderr, "WARNING: Number Underflow at Line: %d \n", code_line);
fprintf(stderr, "WARNING: Number Underflow at Line: %d \n", m_code_line);
}
sprintf(d_buffer, "%d", val);
}
@ -435,8 +433,8 @@ const DSPOPCTemplate* DSPAssembler::FindOpcode(std::string name, size_t par_coun
if (name[0] == 'C' && name[1] == 'W')
return &cw;
const auto alias_iter = aliases.find(name);
if (alias_iter != aliases.end())
const auto alias_iter = m_aliases.find(name);
if (alias_iter != m_aliases.end())
name = alias_iter->second;
const DSPOPCTemplate* const info =
@ -501,7 +499,7 @@ bool DSPAssembler::VerifyParams(const DSPOPCTemplate* opc, param_t* par, size_t
if (type == OpcodeType::Extension)
fprintf(stderr, "(ext) ");
fprintf(stderr, "%s (param %zu)", cur_line.c_str(), current_param);
fprintf(stderr, "%s (param %zu)", m_cur_line.c_str(), current_param);
ShowError(AssemblerError::InvalidRegister);
}
break;
@ -511,7 +509,7 @@ bool DSPAssembler::VerifyParams(const DSPOPCTemplate* opc, param_t* par, size_t
if (type == OpcodeType::Extension)
fprintf(stderr, "(ext) ");
fprintf(stderr, "%s (param %zu)", cur_line.c_str(), current_param);
fprintf(stderr, "%s (param %zu)", m_cur_line.c_str(), current_param);
ShowError(AssemblerError::InvalidRegister);
}
break;
@ -523,11 +521,11 @@ bool DSPAssembler::VerifyParams(const DSPOPCTemplate* opc, param_t* par, size_t
if (par[i].val >= 0x1e && par[i].val <= 0x1f)
{
fprintf(stderr, "%i : %s ", code_line, cur_line.c_str());
fprintf(stderr, "%i : %s ", m_code_line, m_cur_line.c_str());
fprintf(stderr,
"WARNING: $ACM%d register used instead of $ACC%d register Line: %d "
"Param: %zu Ext: %d\n",
(par[i].val & 1), (par[i].val & 1), code_line, current_param,
(par[i].val & 1), (par[i].val & 1), m_code_line, current_param,
static_cast<int>(type));
}
else if (par[i].val >= 0x1c && par[i].val <= 0x1d)
@ -535,7 +533,7 @@ bool DSPAssembler::VerifyParams(const DSPOPCTemplate* opc, param_t* par, size_t
fprintf(
stderr,
"WARNING: $ACL%d register used instead of $ACC%d register Line: %d Param: %zu\n",
(par[i].val & 1), (par[i].val & 1), code_line, current_param);
(par[i].val & 1), (par[i].val & 1), m_code_line, current_param);
}
else
{
@ -554,14 +552,14 @@ bool DSPAssembler::VerifyParams(const DSPOPCTemplate* opc, param_t* par, size_t
fprintf(
stderr,
"WARNING: $ACL%d register used instead of $ACM%d register Line: %d Param: %zu\n",
(par[i].val & 1), (par[i].val & 1), code_line, current_param);
(par[i].val & 1), (par[i].val & 1), m_code_line, current_param);
}
else if (par[i].val >= 0x20 && par[i].val <= 0x21)
{
fprintf(
stderr,
"WARNING: $ACC%d register used instead of $ACM%d register Line: %d Param: %zu\n",
(par[i].val & 1), (par[i].val & 1), code_line, current_param);
(par[i].val & 1), (par[i].val & 1), m_code_line, current_param);
}
else
{
@ -578,19 +576,19 @@ bool DSPAssembler::VerifyParams(const DSPOPCTemplate* opc, param_t* par, size_t
if (par[i].val >= 0x1e && par[i].val <= 0x1f)
{
fprintf(stderr, "%s ", cur_line.c_str());
fprintf(stderr, "%s ", m_cur_line.c_str());
fprintf(
stderr,
"WARNING: $ACM%d register used instead of $ACL%d register Line: %d Param: %zu\n",
(par[i].val & 1), (par[i].val & 1), code_line, current_param);
(par[i].val & 1), (par[i].val & 1), m_code_line, current_param);
}
else if (par[i].val >= 0x20 && par[i].val <= 0x21)
{
fprintf(stderr, "%s ", cur_line.c_str());
fprintf(stderr, "%s ", m_cur_line.c_str());
fprintf(
stderr,
"WARNING: $ACC%d register used instead of $ACL%d register Line: %d Param: %zu\n",
(par[i].val & 1), (par[i].val & 1), code_line, current_param);
(par[i].val & 1), (par[i].val & 1), m_code_line, current_param);
}
else
{
@ -731,23 +729,23 @@ void DSPAssembler::BuildCode(const DSPOPCTemplate* opc, param_t* par, u32 par_co
void DSPAssembler::InitPass(int pass)
{
failed = false;
m_failed = false;
if (pass == 1)
{
// Reset label table. Pre-populate with hw addresses and registers.
labels.Clear();
labels.RegisterDefaults();
aliases.clear();
aliases["S15"] = "SET15";
aliases["S16"] = "SET16";
aliases["S40"] = "SET40";
m_labels.Clear();
m_labels.RegisterDefaults();
m_aliases.clear();
m_aliases["S15"] = "SET15";
m_aliases["S16"] = "SET16";
m_aliases["S40"] = "SET40";
}
m_cur_addr = 0;
m_totalSize = 0;
cur_segment = SEGMENT_CODE;
segment_addr[SEGMENT_CODE] = 0;
segment_addr[SEGMENT_DATA] = 0;
segment_addr[SEGMENT_OVERLAY] = 0;
m_total_size = 0;
m_cur_segment = SEGMENT_CODE;
m_segment_addr[SEGMENT_CODE] = 0;
m_segment_addr[SEGMENT_DATA] = 0;
m_segment_addr[SEGMENT_OVERLAY] = 0;
}
bool DSPAssembler::AssemblePass(const std::string& text, int pass)
@ -756,22 +754,20 @@ bool DSPAssembler::AssemblePass(const std::string& text, int pass)
std::istringstream fsrc(text);
// printf("%s: Pass %d\n", fname, pass);
code_line = 0;
m_code_line = 0;
m_cur_pass = pass;
#define LINEBUF_SIZE 1024
char line[LINEBUF_SIZE] = {0};
while (!failed && !fsrc.fail() && !fsrc.eof())
while (!m_failed && !fsrc.fail() && !fsrc.eof())
{
int opcode_size = 0;
fsrc.getline(line, LINEBUF_SIZE);
if (fsrc.fail())
break;
cur_line = line;
// printf("A: %s\n", line);
code_line++;
m_cur_line = line;
m_code_line++;
param_t params[10] = {{0, P_NONE, nullptr}};
param_t params_ext[10] = {{0, P_NONE, nullptr}};
@ -897,7 +893,7 @@ bool DSPAssembler::AssemblePass(const std::string& text, int pass)
}
}
if (pass == 1)
labels.RegisterLabel(label, lval);
m_labels.RegisterLabel(label, lval);
}
if (opcode == nullptr)
@ -909,22 +905,22 @@ bool DSPAssembler::AssemblePass(const std::string& text, int pass)
if (params[0].type == P_STR)
{
std::string include_file_path;
const u32 this_code_line = code_line;
const u32 this_code_line = m_code_line;
if (include_dir.empty())
if (m_include_dir.empty())
{
include_file_path = params[0].str;
}
else
{
include_file_path = include_dir + '/' + params[0].str;
include_file_path = m_include_dir + '/' + params[0].str;
}
std::string included_text;
File::ReadFileToString(include_file_path, included_text);
AssemblePass(included_text, pass);
code_line = this_code_line;
m_code_line = this_code_line;
}
else
{
@ -936,7 +932,7 @@ bool DSPAssembler::AssemblePass(const std::string& text, int pass)
if (strcmp("INCDIR", opcode) == 0)
{
if (params[0].type == P_STR)
include_dir = params[0].str;
m_include_dir = params[0].str;
else
ShowError(AssemblerError::ExpectedParamStr);
continue;
@ -946,7 +942,7 @@ bool DSPAssembler::AssemblePass(const std::string& text, int pass)
{
if (params[0].type == P_VAL)
{
m_totalSize = std::max(m_cur_addr, params[0].val);
m_total_size = std::max(m_cur_addr, params[0].val);
m_cur_addr = params[0].val;
}
else
@ -978,12 +974,12 @@ bool DSPAssembler::AssemblePass(const std::string& text, int pass)
{
if (params[0].type == P_STR)
{
segment_addr[cur_segment] = m_cur_addr;
m_segment_addr[m_cur_segment] = m_cur_addr;
if (strcmp("DATA", params[0].str) == 0)
cur_segment = SEGMENT_DATA;
m_cur_segment = SEGMENT_DATA;
if (strcmp("CODE", params[0].str) == 0)
cur_segment = SEGMENT_CODE;
m_cur_addr = segment_addr[cur_segment];
m_cur_segment = SEGMENT_CODE;
m_cur_addr = m_segment_addr[m_cur_segment];
}
else
ShowError(AssemblerError::ExpectedParamStr);
@ -1030,9 +1026,9 @@ bool DSPAssembler::AssemblePass(const std::string& text, int pass)
}
m_cur_addr += opcode_size;
m_totalSize += opcode_size;
m_total_size += opcode_size;
};
return !failed;
return !m_failed;
}
} // namespace DSP

36
Source/Core/Core/DSP/DSPAssembler.h
View File

@ -61,8 +61,8 @@ public:
bool Assemble(const std::string& text, std::vector<u16>& code,
std::vector<int>* line_numbers = nullptr);
std::string GetErrorString() const { return last_error_str; }
AssemblerError GetError() const { return last_error; }
std::string GetErrorString() const { return m_last_error_str; }
AssemblerError GetError() const { return m_last_error; }
private:
struct param_t
@ -104,26 +104,26 @@ private:
std::vector<u16> m_output_buffer;
std::string include_dir;
std::string cur_line;
std::string m_include_dir;
std::string m_cur_line;
u32 m_cur_addr;
int m_totalSize;
u8 m_cur_pass;
u32 m_cur_addr = 0;
int m_total_size = 0;
u8 m_cur_pass = 0;
LabelMap labels;
LabelMap m_labels;
u32 code_line;
bool failed;
std::string last_error_str;
AssemblerError last_error;
u32 m_code_line = 0;
bool m_failed = false;
std::string m_last_error_str;
AssemblerError m_last_error = AssemblerError::OK;
typedef std::map<std::string, std::string> AliasMap;
AliasMap aliases;
using AliasMap = std::map<std::string, std::string>;
AliasMap m_aliases;
segment_t cur_segment;
u32 segment_addr[SEGMENT_MAX];
int m_current_param;
const AssemblerSettings settings_;
segment_t m_cur_segment = SEGMENT_CODE;
u32 m_segment_addr[SEGMENT_MAX] = {};
int m_current_param = 0;
const AssemblerSettings m_settings;
};
} // namespace DSP