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inproved kernel state-machine

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This commit is contained in:
overflowerror 2014-05-21 13:39:04 +02:00
parent 08f732b999
commit cafdc12e33
1 changed files with 25 additions and 20 deletions
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45
wish-sys/sys-part/kernel0.9.js
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@ -1,4 +1,4 @@
const SIGHUP = 1; const SIGHUP = 1;
const SIGKILL = 9; const SIGKILL = 9;
const SIGALRM = 14; const SIGALRM = 14;
const SIGTERM = 15; const SIGTERM = 15;
@ -21,20 +21,20 @@ const PERM_UR = 1 << 8;
const PERM_D = 1 << 9; const PERM_D = 1 << 9;
const PERM_L = 1 << 10; const PERM_L = 1 << 10;
const NO_PARENT = -1; const NO_PARENT = -1;
const NO_MOUNTPOINT = -1; const NO_MOUNTPOINT = -1;
const NO_SOURCE = -1; const NO_SOURCE = -1;
const FS_BASEFS = 1; const FS_BASEFS = 1;
const FS_DEVFS = 2; const FS_DEVFS = 2;
const FS_PROCFS = 3; const FS_PROCFS = 3;
// read modes // read modes
const MODE_FIFO = 1; const MODE_FIFO = 1;
const MODE_LIFO = 2; const MODE_LIFO = 2;
// write modes // write modes
const MODE_OVRWD = 3; const MODE_OVRWD = 3;
const MODE_APPND = 4; const MODE_APPND = 4;
// what should happen, if a file does not exist // what should happen, if a file does not exist
const MODE_THROW = 5; const MODE_THROW = 5;
const MODE_CREATE = 6; const MODE_CREATE = 6;
@ -43,6 +43,10 @@ const MODE_CREATE = 6;
const MODTYPE_BOOT = 1; const MODTYPE_BOOT = 1;
const MODTYPE_NORM = 2; const MODTYPE_NORM = 2;
// kernel state-machine states
const KERNEL_INIT = -1
const KERNEL_BOOTSTRAP = 0;
const KERNEL_NOBOOTSTRAP = 20;
// special chars // special chars
const EOF = String.fromCharCode(26); const EOF = String.fromCharCode(26);
@ -78,18 +82,18 @@ Kernel.machineTimerId;
Kernel.globalLog; Kernel.globalLog;
Kernel.init = function() { Kernel.init = function() {
console.log("Kernel: init"); console.log("Kernel: init");
Kernel.state = 0; Kernel.state = -1;
console.log("Kernel: main timer (100ms)"); console.log("Kernel: main timer (100ms)");
Kernel.machineTimerId = Emulator.registerTimer(100, Kernel.machine); Kernel.machineTimerId = Emulator.registerTimer(100, Kernel.machine);
Kernel.globalLog = ""; Kernel.globalLog = "";
} }
Kernel.machine = function() { Kernel.machine = function() {
switch(Kernel.state) { switch(Kernel.state) {
case 0: case -1:
Emulator.Output.shiftKey = OS.staticShift; Emulator.Output.shiftKey = OS.staticShift;
Emulator.output("\033[2J\033[0;0H" + OS.logo); Emulator.output("\033[2J\033[0;0H" + OS.logo);
Kernel.wall("\nbooting kernel: " + KERNEL + "...") Kernel.wall("\nbooting kernel: " + KERNEL + "...")
Kernel.msgOut("reseting kernel timer", true); Kernel.msgOut("resetting kernel timer", true);
Kernel.time = 0; Kernel.time = 0;
Kernel.msgOut("register main timer (100ms)", true); // pre Kernel.msgOut("register main timer (100ms)", true); // pre
Kernel.wall("\nloading bootstraping modules..."); Kernel.wall("\nloading bootstraping modules...");
@ -97,34 +101,35 @@ Kernel.machine = function() {
Kernel.bootstrapModule("vfs"); Kernel.bootstrapModule("vfs");
Kernel.next(); Kernel.next();
break; break;
case 1: case 0:
break; break;
case 2: case 1:
Kernel.msgSuccess(true); Kernel.msgSuccess(true);
Kernel.msgOut(" mod.devfs"); Kernel.msgOut(" mod.devfs");
Kernel.bootstrapModule("devfs"); Kernel.bootstrapModule("devfs");
Kernel.next(); Kernel.next();
break; break;
case 3: case 2:
break; break;
case 4: case 3:
Kernel.msgSuccess(true); Kernel.msgSuccess(true);
Kernel.msgOut(" mod.basefs"); Kernel.msgOut(" mod.basefs");
Kernel.bootstrapModule("basefs"); Kernel.bootstrapModule("basefs");
Kernel.next(); Kernel.next();
break; break;
case 5: case 4:
break; break;
case 6:
case 5:
Kernel.msgSuccess(true); Kernel.msgSuccess(true);
Kernel.wall("\n ... now we can proceed the normal way."); Kernel.wall("\n ... now we can proceed the normal way.");
Kernel.wall("\ninit filesystem"); Kernel.wall("\ninit filesystem");
Kernel.Filesystem.init(); Kernel.Filesystem.init();
Kernel.next(); Kernel.state = KERNEL_NOBOOTSTRAP;
break; break;
case 7: case (KERNEL_NOBOOTSTRAP + 0):
break; break;
case 8: case (KERNEL_NOBOOTSTRAP + 1):
Kernel.Filesystem.initCon(); Kernel.Filesystem.initCon();
Kernel.wall("loading some modules..."); Kernel.wall("loading some modules...");
@ -181,7 +186,7 @@ Kernel.machine = function() {
Kernel.msgSuccess(true); Kernel.msgSuccess(true);
Kernel.next(); Kernel.next();
break; break;
case 9: case (KERNEL_NOBOOTSTRAP + 2):
break; break;
default: default:
break; break;