inproved kernel state-machine

This commit is contained in:
overflowerror 2014-05-21 13:39:04 +02:00
parent 08f732b999
commit cafdc12e33

View file

@ -1,4 +1,4 @@
const SIGHUP = 1;
const SIGHUP = 1;
const SIGKILL = 9;
const SIGALRM = 14;
const SIGTERM = 15;
@ -21,20 +21,20 @@ const PERM_UR = 1 << 8;
const PERM_D = 1 << 9;
const PERM_L = 1 << 10;
const NO_PARENT = -1;
const NO_PARENT = -1;
const NO_MOUNTPOINT = -1;
const NO_SOURCE = -1;
const NO_SOURCE = -1;
const FS_BASEFS = 1;
const FS_DEVFS = 2;
const FS_PROCFS = 3;
// read modes
const MODE_FIFO = 1;
const MODE_LIFO = 2;
const MODE_FIFO = 1;
const MODE_LIFO = 2;
// write modes
const MODE_OVRWD = 3;
const MODE_APPND = 4;
const MODE_OVRWD = 3;
const MODE_APPND = 4;
// what should happen, if a file does not exist
const MODE_THROW = 5;
const MODE_CREATE = 6;
@ -43,6 +43,10 @@ const MODE_CREATE = 6;
const MODTYPE_BOOT = 1;
const MODTYPE_NORM = 2;
// kernel state-machine states
const KERNEL_INIT = -1
const KERNEL_BOOTSTRAP = 0;
const KERNEL_NOBOOTSTRAP = 20;
// special chars
const EOF = String.fromCharCode(26);
@ -78,18 +82,18 @@ Kernel.machineTimerId;
Kernel.globalLog;
Kernel.init = function() {
console.log("Kernel: init");
Kernel.state = 0;
Kernel.state = -1;
console.log("Kernel: main timer (100ms)");
Kernel.machineTimerId = Emulator.registerTimer(100, Kernel.machine);
Kernel.globalLog = "";
}
Kernel.machine = function() {
switch(Kernel.state) {
case 0:
case -1:
Emulator.Output.shiftKey = OS.staticShift;
Emulator.output("\033[2J\033[0;0H" + OS.logo);
Kernel.wall("\nbooting kernel: " + KERNEL + "...")
Kernel.msgOut("reseting kernel timer", true);
Kernel.msgOut("resetting kernel timer", true);
Kernel.time = 0;
Kernel.msgOut("register main timer (100ms)", true); // pre
Kernel.wall("\nloading bootstraping modules...");
@ -97,34 +101,35 @@ Kernel.machine = function() {
Kernel.bootstrapModule("vfs");
Kernel.next();
break;
case 1:
case 0:
break;
case 2:
case 1:
Kernel.msgSuccess(true);
Kernel.msgOut(" mod.devfs");
Kernel.bootstrapModule("devfs");
Kernel.next();
break;
case 3:
case 2:
break;
case 4:
case 3:
Kernel.msgSuccess(true);
Kernel.msgOut(" mod.basefs");
Kernel.bootstrapModule("basefs");
Kernel.next();
break;
case 5:
case 4:
break;
case 6:
case 5:
Kernel.msgSuccess(true);
Kernel.wall("\n ... now we can proceed the normal way.");
Kernel.wall("\ninit filesystem");
Kernel.Filesystem.init();
Kernel.next();
Kernel.state = KERNEL_NOBOOTSTRAP;
break;
case 7:
case (KERNEL_NOBOOTSTRAP + 0):
break;
case 8:
case (KERNEL_NOBOOTSTRAP + 1):
Kernel.Filesystem.initCon();
Kernel.wall("loading some modules...");
@ -181,7 +186,7 @@ Kernel.machine = function() {
Kernel.msgSuccess(true);
Kernel.next();
break;
case 9:
case (KERNEL_NOBOOTSTRAP + 2):
break;
default:
break;