X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=Kernel%2Farch%2Fx86%2Fmain.c;h=fa3cb4547fbea567663607f07afa7f94d7f6ebe3;hb=e617614d9e5ca900649d584524eacef768b1f1b9;hp=c0d75ce6a99c6da285a64e0ea82c46dc493f2295;hpb=466eda7c917791866a29c253c6c22197faf41bf7;p=tpg%2Facess2.git diff --git a/Kernel/arch/x86/main.c b/Kernel/arch/x86/main.c index c0d75ce6..fa3cb454 100644 --- a/Kernel/arch/x86/main.c +++ b/Kernel/arch/x86/main.c @@ -3,8 +3,9 @@ * x86 Kernel Main * arch/x86/main.c */ -#include +#include #include +#include #include #include #include @@ -12,69 +13,103 @@ #define VGA_ERRORS 0 // === IMPORTS === -extern void Heap_Install(); -extern void Desctab_Install(); -extern void MM_PreinitVirtual(); +extern void Heap_Install(void); +extern void Desctab_Install(void); +extern void MM_PreinitVirtual(void); extern void MM_Install(tMBoot_Info *MBoot); -extern void MM_InstallVirtual(); -extern void Threads_Init(); -extern int Time_Setup(); +extern void MM_InstallVirtual(void); +extern void Threads_Init(void); +extern int Time_Setup(void); extern Uint Proc_Clone(Uint *Err, Uint Flags); -extern void Threads_Sleep(); -extern void Threads_Exit(); +extern void Threads_Sleep(void); +extern void Threads_Exit(void); + +extern int Modules_LoadBuiltins(void); // === GLOBALS === +char *gsBootCmdLine = NULL; // === CODE === -int kmain(Uint MbMagic, tMBoot_Info *MbInfo) +int kmain(Uint MbMagic, void *MbInfoPtr) { int i; tMBoot_Module *mods; + tMBoot_Info *mbInfo; - // Adjust Multiboot structure address - MbInfo = (void*)( (Uint)MbInfo + KERNEL_BASE ); + Log("MbMagic = %08x", MbMagic); + Log("MbInfoPtr = %p", MbInfoPtr); + // Set up non-boot info dependent stuff Desctab_Install(); // Set up GDT and IDT MM_PreinitVirtual(); // Initialise vital mappings - MM_Install( MbInfo ); // Set up physical memory manager + + switch(MbMagic) + { + // Multiboot 1 + case MULTIBOOT_MAGIC: + // Adjust Multiboot structure address + mbInfo = (void*)( (Uint)MbInfoPtr + KERNEL_BASE ); + gsBootCmdLine = (char*)(mbInfo->CommandLine + KERNEL_BASE); + + MM_Install( mbInfo ); // Set up physical memory manager + break; + + // Multiboot 2 + case MULTIBOOT2_MAGIC: + Warning("Multiboot 2 Not yet supported"); + //MM_InstallMBoot2( MbInfo ); // Set up physical memory manager + return 0; + break; + + default: + Panic("Multiboot magic invalid %08x, expected %08x or %08x\n", + MbMagic, MULTIBOOT_MAGIC, MULTIBOOT2_MAGIC); + return 0; + } + MM_InstallVirtual(); // Clean up virtual address space Heap_Install(); // Create initial heap - Log("Starting Multitasking..."); + //Log_Log("Arch", "Starting Multitasking..."); // Start Multitasking Threads_Init(); // Start Timers Time_Setup(); - Log("Starting VFS..."); + Log_Log("Arch", "Starting VFS..."); // Load Virtual Filesystem VFS_Init(); - Log("Loading Modules..."); + // Initialise builtin modules + Log_Log("Arch", "Initialising builtin modules..."); + Modules_LoadBuiltins(); + + Log_Log("Arch", "Loading %i Modules...", mbInfo->ModuleCount); // Load initial modules - mods = (void*)( MbInfo->Modules + KERNEL_BASE ); - for(i=0;iModuleCount;i++) + mods = (void*)( mbInfo->Modules + KERNEL_BASE ); + for( i = 0; i < mbInfo->ModuleCount; i ++ ) { // Adjust into higher half mods[i].Start += KERNEL_BASE; mods[i].End += KERNEL_BASE; mods[i].String += KERNEL_BASE; - Log("Loading '%s'", mods[i].String); + Log_Log("Arch", "Loading '%s'", mods[i].String); if( !Module_LoadMem( (void *)mods[i].Start, mods[i].End-mods[i].Start, (char *)mods[i].String ) ) { - Warning("Unable to load module\n"); + Log_Warning("Arch", "Unable to load module\n"); } } // Pass on to Independent Loader - Log("Loading Configuration..."); - System_Init( (char*)(MbInfo->CommandLine + KERNEL_BASE) ); + Log_Log("Arch", "Starting system"); + System_Init( gsBootCmdLine ); // Sleep forever (sleeping beauty) - for(;;) Threads_Sleep(); + for(;;) + Threads_Sleep(); return 0; }