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[tpg/acess2.git] / KernelLand / Kernel / arch / x86_64 / include / arch.h

diff --git a/KernelLand/Kernel/arch/x86_64/include/arch.h b/KernelLand/Kernel/arch/x86_64/include/arch.h
new file mode 100644 (file)
index 0000000..bde7abd
--- /dev/null
+++ b/KernelLand/Kernel/arch/x86_64/include/arch.h
@@ -0,0 +1,109 @@
+/*
+ * Acess2 x86-64 Architecure Module
+ * - By John Hodge (thePowersGang)
+ */
+#ifndef _ARCH_H_
+#define _ARCH_H_
+
+//#include <stdint.h>
+#define        USER_MAX        0x00007FFF##FFFFF000
+#define KERNEL_BASE    0xFFFFFFFF##80000000
+#define BITS   64
+#define PAGE_SIZE      0x1000
+
+#define STACKED_LOCKS  2       // 0: No, 1: Per-CPU, 2: Per-Thread
+#define LOCK_DISABLE_INTS      0
+
+#define INVLPTR        ((void*)0x0FFFFFFFFFFFFFFFULL)
+
+//#define INT_MAX      0x7FFFFFFF
+//#define UINT_MAX     0xFFFFFFFF
+
+// === Core Types ===
+typedef signed char    Sint8;
+typedef unsigned char  Uint8;
+typedef signed short   Sint16;
+typedef unsigned short Uint16;
+typedef signed int     Sint32;
+typedef unsigned int   Uint32;
+#if __WORDSIZE == 64
+typedef signed long int        Sint64;
+typedef unsigned long int      Uint64;
+#else
+typedef signed long long int   Sint64;
+typedef unsigned long long int Uint64;
+#endif
+
+typedef Sint64 Sint;
+typedef Uint64 Uint;
+typedef Uint64 tPAddr;
+typedef Uint64 tVAddr;
+
+typedef Uint64 size_t;
+typedef char   BOOL;
+
+#define __ASM__        __asm__ __volatile__
+
+// === MACROS ===
+/**
+ * \brief Halt the CPU
+ */
+#define        HALT()  __asm__ __volatile__ ("sti;\n\thlt")
+/**
+ * \brief Fire a magic breakpoint (bochs)
+ */
+#define        MAGIC_BREAK()   __asm__ __volatile__ ("xchg %bx, %bx")
+
+// Systemcall Registers
+// TODO: Fix this structure
+typedef struct sSyscallRegs
+{
+       union {
+               Uint    Num;
+               Uint    Return;
+       };      // RAX
+       Uint    Error;  // RBX
+       Uint    Arg1;   // RDI
+       Uint    Arg2;   // RSI
+       Uint    Arg3;   // RDX
+       Uint    Arg4;   // RCX
+       Uint    Arg5;   // R8
+       Uint    Arg6;   // R9
+       Uint    _Flags;
+       Uint    _IP;
+       Uint    StackPointer;   // RSP
+       
+}      tSyscallRegs;
+
+/**
+ * \brief Short Spinlock structure
+ */
+struct sShortSpinlock {
+       #if STACKED_LOCKS == 2
+       volatile void   *Lock;  //!< Lock value
+       #else
+       volatile int    Lock;   //!< Lock value
+       #endif
+       
+       #if LOCK_DISABLE_INTS
+        int    IF;     //!< Interrupt state on call to SHORTLOCK
+       #endif
+       #if STACKED_LOCKS
+        int    Depth;
+       #endif
+};
+
+// === FUNCTIONS ===
+extern int     IS_LOCKED(struct sShortSpinlock *Lock);
+extern int     CPU_HAS_LOCK(struct sShortSpinlock *Lock);
+extern void    SHORTLOCK(struct sShortSpinlock *Lock);
+extern void    SHORTREL(struct sShortSpinlock *Lock);
+
+extern void    Debug_PutCharDebug(char ch);
+extern void    Debug_PutStringDebug(const char *Str);
+
+// TODO: Move this to acess.h
+extern tPAddr  MM_AllocateZero(tVAddr VAddr);
+
+#endif
+