cleanup and improvements in physical mem manager.

1 files changed, 23 insertions, 19 deletions

diff --git a/kernel/kernel.c b/kernel/kernel.c
index c95df11..33624ad 100644
--- a/kernel/kernel.c
+++ b/kernel/kernel.c
@@ -12,7 +12,7 @@
 #endif
 
 
-// some multiprocessor shit that should move away
+// some multiprocessor shit that should move away TODO
 uint32_t c1,c2,c3;
 volatile uint8_t proc;
 uint32_t cpu_counter[SMP_MAX_PROC];
@@ -33,6 +33,9 @@ void kernel_ap()
 void kernel_main(uint32_t initial_stack, int mp)
 {
 
+
+    /// TODO
+/////// SYMMETRIC MULTIPROCESSING, APS get caought here, move it away ///
     // catch the APs (Application Processors)
     if(mp==1)
     {
@@ -77,7 +80,6 @@ void kernel_main(uint32_t initial_stack, int mp)
     //  this function returns the physical base address of 
     //  our video memory 
     //
-
     uint32_t vesa_physbase=vesa_init(0x8300,0x8400,0x90000+0x200);
 
     // self-log message of logger :P
@@ -88,14 +90,12 @@ void kernel_main(uint32_t initial_stack, int mp)
     //
     log(FOOLOS_MODULE_NAME,FOOLOS_LOG_INFO,"initial esp: 0x%08X",initial_stack);
 
-
     //
     //  Setup PIC
     //
     log(FOOLOS_MODULE_NAME,FOOLOS_LOG_INFO,"setting up PIC.");
     pic_setup();
 
-
     //
     // Configuring the PIT timer.
     //
@@ -106,21 +106,20 @@ void kernel_main(uint32_t initial_stack, int mp)
     //
     int_init(0x08);
 
-
     //
     //	Memory Init
     //
     //  after this is set up we can allocate and deallocate blocks
     //  of physical memory :)
     //
-
-    // we know that here, the bootloader placed the mamory map and
-    // number of entries.
+    //	we know that here, the bootloader placed the mamory map and
+    //	the number of entries.
+    //
     mem_init(0x7c00+0x400,*((uint16_t *)(0x7c00+0x600)));
 
 
     //
-    // Gather Info about other processors.
+    // Gather Info about other processors. (APs)
     // ACPI or MP
     //
     smp_processors procdata;    
@@ -130,50 +129,55 @@ void kernel_main(uint32_t initial_stack, int mp)
 	if(!mp_find(&procdata))
 	    panic(FOOLOS_MODULE_NAME,"ACPI and MP search failed! I do not want to continue!");
 
+    // 
     // Start the other Processors (also before paging !)
-    smp_start_aps(&procdata,0x90000);// starts at 0x90000 but will be copied over mbr
+    //
+    smp_start_aps(&procdata,0x90000);	// starts at 0x90000 
+					// but it will be copied over mbr
 	
-
-    /////////////////////
-
+    //
+    // Activate Virtual Memory (paging)
+    //
     // paging  (pass the vesa physbase address for identity mapping)
+    // TODO: we will work on this later (not needed so urgently yet)
+    //
     // vmem_init(vesa_physbase);
 
     //
     // Scan the PCI Bus
     // 
     // We are interested in the E1000 Network Adapter in particular
-    // Its driver will be hopefully implemented one day ;)
+    // Its driver will be hopefully implemented one day ;) TODO
     //
     // pci_init();
 
     //
     // Initialize Floppy Disk if activated in config.h
+    // Sadly we won't use it anyway so its uncommented anyway.
     // 
     //#ifdef FOOLOS_COMPILE_FLOPPY
     //floppy_init();
     //#endif
 
-
     // 
     // "Shell"
     //
     // Will process input from the keyboard but will be completely
-    // redesigned soon.
+    // redesigned soon. TODO!!
     //
     shell_init();
 
-
     //
     // Initialize Multitasking
     //
-    // For now this starts two tasks which are scheduled 
+    // For now this starts three "tasks" which are scheduled 
     // round robin style.
     //
     task_init();
 
     //
-    // Just hang here. 
+    // Just hang around here, if its reached. 
+    // we do our tasks anyway. on the next clock tick.
     //
     while(1)asm("hlt");