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Made the debugger 'load' length field be optional, C++-ification

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This commit is contained in:
Nathan Woods 2017-06-25 09:37:31 -04:00
parent 319eb61d0f
commit dd951ec62f
2 changed files with 38 additions and 30 deletions
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60
src/emu/debug/debugcmd.cpp
View File

@ -20,6 +20,7 @@
#include "natkeyboard.h"
#include "render.h"
#include <ctype.h>
#include <fstream>
@ -206,10 +207,10 @@ debugger_commands::debugger_commands(running_machine& machine, debugger_cpu& cpu
m_console.register_command("savei", CMDFLAG_NONE, AS_IO, 3, 4, std::bind(&debugger_commands::execute_save, this, _1, _2));
m_console.register_command("saveo", CMDFLAG_NONE, AS_DECRYPTED_OPCODES, 3, 4, std::bind(&debugger_commands::execute_save, this, _1, _2));
m_console.register_command("load", CMDFLAG_NONE, AS_PROGRAM, 3, 4, std::bind(&debugger_commands::execute_load, this, _1, _2));
m_console.register_command("loadd", CMDFLAG_NONE, AS_DATA, 3, 4, std::bind(&debugger_commands::execute_load, this, _1, _2));
m_console.register_command("loadi", CMDFLAG_NONE, AS_IO, 3, 4, std::bind(&debugger_commands::execute_load, this, _1, _2));
m_console.register_command("loado", CMDFLAG_NONE, AS_DECRYPTED_OPCODES, 3, 4, std::bind(&debugger_commands::execute_load, this, _1, _2));
m_console.register_command("load", CMDFLAG_NONE, AS_PROGRAM, 2, 4, std::bind(&debugger_commands::execute_load, this, _1, _2));
m_console.register_command("loadd", CMDFLAG_NONE, AS_DATA, 2, 4, std::bind(&debugger_commands::execute_load, this, _1, _2));
m_console.register_command("loadi", CMDFLAG_NONE, AS_IO, 2, 4, std::bind(&debugger_commands::execute_load, this, _1, _2));
m_console.register_command("loado", CMDFLAG_NONE, AS_DECRYPTED_OPCODES, 2, 4, std::bind(&debugger_commands::execute_load, this, _1, _2));
m_console.register_command("dump", CMDFLAG_NONE, AS_PROGRAM, 3, 7, std::bind(&debugger_commands::execute_dump, this, _1, _2));
m_console.register_command("dumpd", CMDFLAG_NONE, AS_DATA, 3, 7, std::bind(&debugger_commands::execute_dump, this, _1, _2));
@ -1684,44 +1685,51 @@ void debugger_commands::execute_save(int ref, const std::vector<std::string> &pa
void debugger_commands::execute_load(int ref, const std::vector<std::string> &params)
{
u64 offset, endoffset, length;
u64 offset, endoffset, length = 0;
address_space *space;
FILE *f;
u64 i;
/* validate parameters */
// validate parameters
if (!validate_number_parameter(params[1], offset))
return;
if (!validate_number_parameter(params[2], length))
if (params.size() > 2 && !validate_number_parameter(params[2], length))
return;
if (!validate_cpu_space_parameter((params.size() > 3) ? params[3].c_str() : nullptr, ref, space))
return;
/* determine the addresses to read */
endoffset = space->address_to_byte(offset + length - 1) & space->bytemask();
offset = space->address_to_byte(offset) & space->bytemask();
/* open the file */
f = fopen(params[0].c_str(), "rb");
if (!f)
// open the file
std::ifstream f;
f.open(params[0], std::ifstream::in | std::ifstream::binary);
if (f.fail())
{
m_console.printf("Error opening file '%s'\n", params[0].c_str());
return;
}
/* now read the data in, ignore endoffset and load entire file if length has been set to zero (offset-1) */
u8 byte;
for (i = offset; i <= endoffset || endoffset == offset - 1 ; i++)
// determine the file size, if not specified
if (params.size() <= 2)
{
fread(&byte, 1, 1, f);
/* check if end of file has been reached and stop loading if it has */
if (feof(f))
break;
m_cpu.write_byte(*space, i, byte, true);
f.seekg(0, std::ios::end);
length = f.tellg();
f.seekg(0);
}
/* close the file */
fclose(f);
if ( i == offset)
// determine the addresses to read
endoffset = space->address_to_byte(offset + length - 1) & space->bytemask();
offset = space->address_to_byte(offset) & space->bytemask();
// now read the data in, ignore endoffset and load entire file if length has been set to zero (offset-1)
for (i = offset; f.good() && (i <= endoffset || endoffset == offset - 1); i++)
{
char byte;
f.read(&byte, 1);
if (f)
m_cpu.write_byte(*space, i, byte, true);
}
if (!f.good())
m_console.printf("I/O error, load failed\n");
else if (i == offset)
m_console.printf("Length specified too large, load failed\n");
else
m_console.printf("Data loaded successfully to memory : 0x%X to 0x%X\n", offset, i-1);

8
src/emu/debug/debughlp.cpp
View File

@ -116,9 +116,9 @@ static const help_item static_help_list[] =
" save <filename>,<address>,<length>[,<cpu>] -- save binary program memory to the given file\n"
" saved <filename>,<address>,<length>[,<cpu>] -- save binary data memory to the given file\n"
" savei <filename>,<address>,<length>[,<cpu>] -- save binary I/O memory to the given file\n"
" load <filename>,<address>,<length>[,<cpu>] -- load binary program memory from the given file\n"
" loadd <filename>,<address>,<length>[,<cpu>] -- load binary data memory from the given file\n"
" loadi <filename>,<address>,<length>[,<cpu>] -- load binary I/O memory from the given file\n"
" load <filename>,<address>[,<length>,<cpu>] -- load binary program memory from the given file\n"
" loadd <filename>,<address>[,<length>,<cpu>] -- load binary data memory from the given file\n"
" loadi <filename>,<address>[,<length>,<cpu>] -- load binary I/O memory from the given file\n"
" map <address> -- map logical program address to physical address and bank\n"
" mapd <address> -- map logical data address to physical address and bank\n"
" mapi <address> -- map logical I/O address to physical address and bank\n"
@ -627,7 +627,7 @@ static const help_item static_help_list[] =
{
"load",
"\n"
" load[{d|i}] <filename>,<address>,<length>[,<cpu>]\n"
" load[{d|i}] <filename>,<address>[,<length>,<cpu>]\n"
"\n"
"The load/loadd/loadi commands load raw memory from the binary file specified in the <filename> "
"parameter. 'load' will load program space memory, while 'loadd' will load data space memory "