Kernel/arch/x86_64/main.c

   1 /*
   2  * Acess2 x86_64 Project
   3  */
   4 #include <acess.h>
   5 #include <mboot.h>
   6
   7 // === IMPORTS ===
   8 extern void     Desctab_Init(void);
   9 extern void     MM_InitVirt(void);
  10 extern void     Heap_Install(void);
  11 extern void     Threads_Init(void);
  12 //extern void   Time_Setup(void);
  13 extern void     System_Init(char *Commandline);
  14
  15 extern void     MM_InitPhys_Multiboot(tMBoot_Info *MBoot);
  16
  17 // === PROTOTYPES ===
  18
  19 // === GLOBALS ==
  20 char    *gsBootCmdLine = NULL;
  21
  22 // === CODE ===
  23 void kmain(Uint MbMagic, void *MbInfoPtr)
  24 {
  25         tMBoot_Info     *mbInfo;
  26
  27         Desctab_Init();
  28
  29         MM_InitVirt();
  30         *(Uint16*)(0xB8000) = 0x1F00|'C';
  31
  32         switch(MbMagic)
  33         {
  34         // Multiboot 1
  35         case MULTIBOOT_MAGIC:
  36                 // Adjust Multiboot structure address
  37                 mbInfo = (void*)( (Uint)MbInfoPtr + KERNEL_BASE );
  38                 gsBootCmdLine = (char*)( (Uint)mbInfo->CommandLine + KERNEL_BASE);
  39
  40                 MM_InitPhys_Multiboot( mbInfo );        // Set up physical memory manager
  41                 break;
  42         default:
  43                 Panic("Multiboot magic invalid %08x, expected %08x\n",
  44                         MbMagic, MULTIBOOT_MAGIC);
  45                 return ;
  46         }
  47
  48         *(Uint16*)(0xB8000) = 0x1F00|'D';
  49         Heap_Install();
  50
  51         *(Uint16*)(0xB8000) = 0x1F00|'E';
  52         Log_Log("Arch", "Starting threading...");
  53         Threads_Init();
  54
  55         //Time_Setup();
  56         *(Uint16*)(0xB8000) = 0x1F00|'F';
  57
  58         Log_Log("Arch", "Starting VFS...");
  59         // Load Virtual Filesystem
  60         VFS_Init();
  61
  62         *(Uint16*)(0xB8000) = 0x1F00|'Z';
  63         *(Uint16*)(0xB8002) = 0x1F00|'Z';
  64         *(Uint16*)(0xB8004) = 0x1F00|'Z';
  65         *(Uint16*)(0xB8006) = 0x1F00|'Z';
  66
  67         // Pass on to Independent Loader
  68         Log_Log("Arch", "Starting system");
  69         System_Init(gsBootCmdLine);
  70
  71         // Sleep forever (sleeping beauty)
  72         for(;;)
  73                 Threads_Sleep();
  74 }
  75
  76 void Arch_LoadBootModules(void)
  77 {
  78
  79 }
  80
  81 void StartupPrint(char *String)
  82 {
  83
  84 }