} tConfigFile;
typedef struct
{
- char *Name; // Name
+ const char *Name; // Name
int MinArgs; // Minimum number of arguments
int MaxArgs; // Maximum number of arguments
Uint IntArgs; // Bitmap of arguments that should be treated as integers
- void *Func; // Function pointer
- Uint OptDefaults[N_MAX_ARGS]; // Default values for optional arguments
+ int Index; //
+ const char *OptDefaults[N_MAX_ARGS]; // Default values for optional arguments
} tConfigCommand;
// === IMPORTS ===
-extern int Modules_LoadBuiltins();
-//extern int PCI_Install();
-extern void DMA_Install();
-extern void Debug_SetKTerminal(char *File);
-extern void StartupPrint(char *Str);
+extern void Arch_LoadBootModules(void);
+extern int Modules_LoadBuiltins(void);
+extern void Modules_SetBuiltinParams(char *Name, char *ArgString);
+extern void Debug_SetKTerminal(const char *File);
// === PROTOTYPES ===
-void System_Init(char *ArgString);
+void System_Init(char *Commandline);
void System_ParseCommandLine(char *ArgString);
+void System_ExecuteCommandLine(void);
void System_ParseVFS(char *Arg);
+void System_ParseModuleArgs(char *Arg);
void System_ParseSetting(char *Arg);
-void System_ExecuteScript();
+void System_ExecuteScript(void);
tConfigFile *System_Int_ParseFile(char *File);
// === CONSTANTS ===
+enum eConfigCommands {
+ CC_LOADMODULE,
+ CC_SPAWN,
+ CC_MOUNT,
+ CC_SYMLINK,
+ CC_MKDIR,
+ CC_OPEN,
+ CC_CLOSE,
+ CC_IOCTL
+};
const tConfigCommand caConfigCommands[] = {
- {"module", 1,2, 0, Module_LoadFile, {(Uint)"",0}}, // Load a module from a file
- {"spawn", 1,1, 0, Proc_Spawn, {0}}, // Spawn a process
+ {"module", 1,2, 00, CC_LOADMODULE, {"",NULL}}, // Load a module from a file
+ {"spawn", 1,1, 00, CC_SPAWN, {NULL}}, // Spawn a process
// --- VFS ---
- {"mount", 3,4, 0, VFS_Mount, {(Uint)"",0}}, // Mount a device
- {"symlink", 2,2, 0, VFS_Symlink, {0}}, // Create a Symbolic Link
- {"mkdir", 1,1, 0, VFS_MkDir, {0}}, // Create a Directory
- {"open", 1,2, 0, VFS_Open, {VFS_OPENFLAG_READ,0}}, // Open a file
- {"close", 1,1, 0x1, VFS_Close, {0}}, // Close an open file
- {"ioctl", 3,3, 0x3, VFS_IOCtl, {0}}, // Call an IOCtl
+ {"mount", 3,4, 00, CC_MOUNT, {"",0}}, // Mount a device
+ {"symlink", 2,2, 00, CC_SYMLINK, {0}}, // Create a Symbolic Link
+ {"mkdir", 1,1, 00, CC_MKDIR, {0}}, // Create a Directory
+ {"open", 1,2, 00, CC_OPEN, {(void*)VFS_OPENFLAG_READ,0}}, // Open a file
+ {"close", 1,1, 01, CC_CLOSE, {0}}, // Close an open file
+ {"ioctl", 3,3, 03, CC_IOCTL, {0}}, // Call an IOCtl
- {"", 0,0, 0, NULL, {0}}
+ {"", 0,0, 0, 0, {0}}
};
#define NUM_CONFIG_COMMANDS (sizeof(caConfigCommands)/sizeof(caConfigCommands[0]))
// === GLOBALS ===
-char *gsConfigScript = "/Acess/Conf/BootConf.cfg";
+const char *gsConfigScript = "/Acess/Conf/BootConf.cfg";
+char *argv[32];
+ int argc;
// === CODE ===
-void System_Init(char *ArgString)
-{
- // Set the debug to be echoed to the terminal
- StartupPrint("Kernel now echoes to VT7 (Ctrl-Alt-F8)");
- Debug_SetKTerminal("/Devices/VTerm/7");
+void System_Init(char *CommandLine)
+{
+ // Parse Kernel's Command Line
+ System_ParseCommandLine(CommandLine);
- // - Parse Kernel's Command Line
- System_ParseCommandLine(ArgString);
+ // Initialise modules
+ Log_Log("Config", "Initialising builtin modules...");
+ Modules_LoadBuiltins();
+ Arch_LoadBootModules();
+
+ System_ExecuteCommandLine();
// - Execute the Config Script
- Log_Log("Config", "Executing config script...");
+ Log_Log("Config", "Executing config script '%s'", gsConfigScript);
System_ExecuteScript();
+
+ // Set the debug to be echoed to the terminal
+ Log_Log("Config", "Kernel now echoes to VT7 (Ctrl-Alt-F8)");
+ Debug_SetKTerminal("/Devices/VTerm/7");
}
/**
*/
void System_ParseCommandLine(char *ArgString)
{
- char *argv[32];
- int argc;
int i;
char *str;
- Log_Log("Config", "Kernel Invocation \"%s\"", ArgString);
+ Log_Log("Config", "Kernel Invocation (%p) \"%s\"", ArgString, ArgString);
// --- Get Arguments ---
str = ArgString;
// Check for the end of the string
if(*str == '\0') { argc--; break;}
argv[argc] = str;
- while(*str && *str != ' ')
- {
- /*if(*str == '"') {
- while(*str && !(*str == '"' && str[-1] != '\\'))
- str ++;
- }*/
- str++;
+ if(*str == '"') {
+ while(*str && !(*str == '"' && str[-1] != '\\'))
+ str ++;
+ }
+ else {
+ while(*str && *str != ' ')
+ str++;
}
if(*str == '\0') break; // Check for EOS
*str = '\0'; // Cap off argument string
if(argc < 32)
argc ++; // Count last argument
- // --- Parse Arguments ---
- for( i = 1; i < argc; i++ )
+ // --- Parse Arguments (Pass 1) ---
+ for( i = 0; i < argc; i++ )
{
- if( argv[i][0] == '/' )
- System_ParseVFS( argv[i] );
- else
+ switch(argv[i][0])
+ {
+ // --- VFS ---
+ // Ignored on this pass
+ case '/':
+ break;
+
+ // --- Module Paramaters ---
+ // -VTerm:Width=640,Height=480,Scrollback=2
+ case '-':
+ System_ParseModuleArgs( argv[i] );
+ break;
+ // --- Config Options ---
+ // SCRIPT=/Acess/Conf/BootConf.cfg
+ default:
System_ParseSetting( argv[i] );
+ break;
+ }
+ }
+}
+
+void System_ExecuteCommandLine(void)
+{
+ int i;
+ for( i = 0; i < argc; i++ )
+ {
+ Log("argv[%i] = '%s'", i, argv[i]);
+ switch(argv[i][0])
+ {
+ // --- VFS ---
+ // Mount /System=ext2:/Devices/ATA/A1
+ // Symlink /Acess=/System/Acess2
+ case '/':
+ System_ParseVFS( argv[i] );
+ break;
+ }
}
}
}
}
+/**
+ * \brief Parse a module argument string
+ * \param Arg Argument string
+ */
+void System_ParseModuleArgs(char *Arg)
+{
+ char *name, *args;
+ int i;
+
+ // Remove '-'
+ name = Arg + 1;
+
+ // Find the start of the args
+ i = strpos(name, ':');
+ if( i == -1 ) {
+ Log_Warning("Config", "Module spec with no arguments");
+ #if 1
+ return ;
+ #else
+ i = strlen(name);
+ args = name + i;
+ #endif
+ }
+ else {
+ name[i] = '\0';
+ args = name + i + 1;
+ }
+
+ Log_Log("Config", "Setting boot parameters for '%s' to '%s'", name, args);
+ Modules_SetBuiltinParams(name, args);
+}
+
/**
* \fn void System_ParseSetting(char *Arg)
*/
if(strcmp(Arg, "SCRIPT") == 0) {
Log_Log("Config", "Config Script: '%s'", value);
- gsConfigScript = value;
+ if(strlen(value) == 0)
+ gsConfigScript = NULL;
+ else
+ gsConfigScript = value;
} else {
Log_Warning("Config", "Kernel config setting '%s' is not recognised", Arg);
}
/**
* \fn void System_ExecuteScript()
+ * \brief Reads and parses the boot configuration script
*/
-void System_ExecuteScript()
+void System_ExecuteScript(void)
{
int fp;
int fLen = 0;
return;
}
- // Read into memory buffer
+ // Get length
VFS_Seek(fp, 0, SEEK_END);
fLen = VFS_Tell(fp);
+ Log_Debug("System", "VFS_Tell(%i) = %i", fp, fLen);
VFS_Seek(fp, 0, SEEK_SET);
+ // Read into memory buffer
fData = malloc(fLen+1);
VFS_Read(fp, fLen, fData);
fData[fLen] = '\0';
if(line->Parts[0][0] == ':') continue; // Ignore labels
// Prescan and eliminate variables
- for( j = 1; j < line->nParts; j++ ) {
+ for( j = 1; j < line->nParts; j++ )
+ {
Log_Debug("Config", "Arg #%i is '%s'", j, line->Parts[j]);
bReplaced[j] = 0;
if( line->Parts[j][0] != '$' ) continue;
bReplaced[j] = 1;
}
+ // Find the command name
for( j = 0; j < NUM_CONFIG_COMMANDS; j++ )
{
- Uint args[N_MAX_ARGS];
+ const char *args[N_MAX_ARGS];
+
if(strcmp(line->Parts[0], caConfigCommands[j].Name) != 0) continue;
Log_Debug("Config", "Command '%s', %i args passed", line->Parts[0], line->nParts-1);
+ // Check against minimum argument count
if( line->nParts - 1 < caConfigCommands[j].MinArgs ) {
Log_Warning("Config",
"Configuration command '%s' requires at least %i arguments, %i given",
break;
}
+ // Check for extra arguments
if( line->nParts - 1 > caConfigCommands[j].MaxArgs ) {
Log_Warning("Config",
"Configuration command '%s' takes at most %i arguments, %i given",
break;
}
+ // Fill in defaults
for( k = caConfigCommands[j].MaxArgs-1; k > line->nParts - 1; k-- ) {
args[k] = caConfigCommands[j].OptDefaults[k];
}
+ // Convert arguments to integers
for( k = line->nParts-1; k--; )
{
- if( caConfigCommands[j].IntArgs & (1 << k) ) {
- args[k] = atoi(line->Parts[k+1]);
+ if( k < 32 && (caConfigCommands[j].IntArgs & (1 << k)) ) {
+ args[k] = (const char *)(Uint)atoi(line->Parts[k+1]);
}
else {
- args[k] = (Uint)line->Parts[k+1];
+ args[k] = (char *)line->Parts[k+1];
}
- Log_Debug("Config", "args[%i] = 0x%x", k, args[k]);
+ Log_Debug("Config", "args[%i] = %p", k, args[k]);
+ }
+ switch( (enum eConfigCommands) caConfigCommands[j].Index )
+ {
+ case CC_LOADMODULE:
+ result = Module_LoadFile( args[0], args[1] );
+ break;
+ case CC_SPAWN:
+ result = Proc_Spawn( args[0] );
+ break;
+ case CC_MOUNT:
+ result = VFS_Mount( args[0], args[1], args[2], args[3] );
+ break;
+ case CC_SYMLINK:
+ result = VFS_Symlink( args[0], args[1] );
+ break;
+ case CC_OPEN:
+ result = VFS_Open( args[0], (Uint)args[1] );
+ break;
+ case CC_CLOSE:
+ VFS_Close( (Uint)args[0] );
+ result = 0;
+ break;
+ case CC_MKDIR:
+ result = VFS_MkDir( args[0] );
+ break;
+ case CC_IOCTL:
+ result = VFS_IOCtl( (Uint)args[0], (Uint)args[1], (void *)args[2] );
+ break;
}
- result = CallWithArgArray(caConfigCommands[j].Func, caConfigCommands[j].MaxArgs, args);
Log_Debug("Config", "result = %i", result);
break;
}
}
free( file->Lines[i].Parts );
}
+
+ // Free data
free( file );
free( fData );
}
start = ptr;
ret->Lines[i].nParts = 0;
+ ret->Lines[i].Parts = NULL;
// Count parts
for(;;)
}
}
+ if( i < ret->nLines ) {
+ ret->Lines[i].nParts = 0;
+ ret->Lines[i].Parts = NULL;
+ Log_Log("System", "Cleaning up final empty line");
+ }
+
LEAVE('p', ret);
return ret;
}