Kernel/x86_64 - Separated task switching from timer interrupt

[tpg/acess2.git] / Kernel / arch / x86_64 / main.c

diff --git a/Kernel/arch/x86_64/main.c b/Kernel/arch/x86_64/main.c
index e69de29..d3b79c6 100644 (file)
--- a/Kernel/arch/x86_64/main.c
+++ b/Kernel/arch/x86_64/main.c
@@ -0,0 +1,89 @@
+/*
+ * Acess2 x86_64 Project
+ */
+#include <acess.h>
+#include <mboot.h>
+#include <init.h>
+
+// === IMPORTS ===
+extern void    Desctab_Init(void);
+extern void    MM_InitVirt(void);
+extern void    Heap_Install(void);
+extern void    Threads_Init(void);
+extern int     Time_Setup(void);
+extern void    System_Init(char *Commandline);
+
+extern void    MM_InitPhys_Multiboot(tMBoot_Info *MBoot);
+
+// === PROTOTYPES ===
+void   kmain(Uint MbMagic, void *MbInfoPtr);
+
+// === GLOBALS ==
+char   *gsBootCmdLine = NULL;
+
+// === CODE ===
+void kmain(Uint MbMagic, void *MbInfoPtr)
+{
+       tMBoot_Info     *mbInfo;
+
+       LogF("Acess2 x86_65 v"EXPAND_STR(KERNEL_VERSION)"\n");
+       LogF(" Build %i, Git Hash %s\n", BUILD_NUM, gsGitHash);
+       
+       Desctab_Init();
+
+       MM_InitVirt();
+       *(Uint16*)(KERNEL_BASE|0xB8000) = 0x1F00|'C';
+       
+       switch(MbMagic)
+       {
+       // Multiboot 1
+       case MULTIBOOT_MAGIC:
+               // Adjust Multiboot structure address
+               mbInfo = (void*)( (Uint)MbInfoPtr + KERNEL_BASE );
+               gsBootCmdLine = (char*)( (Uint)mbInfo->CommandLine + KERNEL_BASE);
+               Log("gsBootCmdLine = '%s'", gsBootCmdLine);
+               
+               MM_InitPhys_Multiboot( mbInfo );        // Set up physical memory manager
+               break;
+       default:
+               Panic("Multiboot magic invalid %08x, expected %08x\n",
+                       MbMagic, MULTIBOOT_MAGIC);
+               return ;
+       }
+       
+       Log("gsBootCmdLine = '%s'", gsBootCmdLine);
+       
+       *(Uint16*)(KERNEL_BASE|0xB8000) = 0x1F00|'D';
+       Heap_Install();
+       
+       *(Uint16*)(KERNEL_BASE|0xB8000) = 0x1F00|'E';
+       Log_Log("Arch", "Starting threading...");
+       Threads_Init();
+       
+       Time_Setup();
+       *(Uint16*)(KERNEL_BASE|0xB8000) = 0x1F00|'F';
+       
+       Log_Log("Arch", "Starting VFS...");
+       // Load Virtual Filesystem
+       VFS_Init();
+       
+       *(Uint16*)(KERNEL_BASE|0xB8000) = 0x1F00|'Z';
+       
+       // Pass on to Independent Loader
+       Log_Log("Arch", "Starting system");
+       System_Init(gsBootCmdLine);
+       
+       // Sleep forever (sleeping beauty)
+       for(;;)
+               Threads_Sleep();
+}
+
+void Arch_LoadBootModules(void)
+{
+       
+}
+
+void StartupPrint(const char *String)
+{
+       
+}