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                 Log("gsBootCmdLine = '%s'", gsBootCmdLine);
  40
  41                 MM_InitPhys_Multiboot( mbInfo );        // Set up physical memory manager
  42                 break;
  43         default:
  44                 Panic("Multiboot magic invalid %08x, expected %08x\n",
  45                         MbMagic, MULTIBOOT_MAGIC);
  46                 return ;
  47         }
  48
  49         Log("gsBootCmdLine = '%s'", gsBootCmdLine);
  50
  51         *(Uint16*)(0xB8000) = 0x1F00|'D';
  52         Heap_Install();
  53
  54         *(Uint16*)(0xB8000) = 0x1F00|'E';
  55         Log_Log("Arch", "Starting threading...");
  56         Threads_Init();
  57
  58         //Time_Setup();
  59         *(Uint16*)(0xB8000) = 0x1F00|'F';
  60
  61         Log_Log("Arch", "Starting VFS...");
  62         // Load Virtual Filesystem
  63         VFS_Init();
  64
  65         *(Uint16*)(0xB8000) = 0x1F00|'Z';
  66         *(Uint16*)(0xB8002) = 0x1F00|'Z';
  67         *(Uint16*)(0xB8004) = 0x1F00|'Z';
  68         *(Uint16*)(0xB8006) = 0x1F00|'Z';
  69
  70         // Pass on to Independent Loader
  71         Log_Log("Arch", "Starting system");
  72         System_Init(gsBootCmdLine);
  73
  74         // Sleep forever (sleeping beauty)
  75         for(;;)
  76                 Threads_Sleep();
  77 }
  78
  79 void Arch_LoadBootModules(void)
  80 {
  81
  82 }
  83
  84 void StartupPrint(char *String)
  85 {
  86
  87 }