X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=Kernel%2Farch%2Fx86_64%2Finclude%2Farch.h;h=a0b3ba9979dda52aec123f06a1a785d2427c4f37;hb=62747dec23ae7ee6531ebf8e3f307726e810e84c;hp=d419234179fa8d7d2dfe40da1823e76606a1822a;hpb=f5f082502f5aeaa144a6ff60ad331e23957b0bbb;p=tpg%2Facess2.git

diff --git a/Kernel/arch/x86_64/include/arch.h b/Kernel/arch/x86_64/include/arch.h
index d4192341..a0b3ba99 100644
--- a/Kernel/arch/x86_64/include/arch.h
+++ b/Kernel/arch/x86_64/include/arch.h
@@ -6,9 +6,14 @@
 #define _ARCH_H_
 
 //#include <stdint.h>
-//#define KERNEL_BASE	0xFFFF8000##00000000
 #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
@@ -34,18 +39,19 @@ typedef Uint64	tPAddr;
 typedef Uint64	tVAddr;
 
 typedef Uint64	size_t;
+typedef char	BOOL;
+
+#define __ASM__	__asm__ __volatile__
 
-typedef volatile int    tSpinlock;
-#define IS_LOCKED(lockptr)      (!!(*(tSpinlock*)lockptr))
-#define _LOCK(lockptr,action)   do {int v=1;\
-	while(v)\
-	__asm__ __volatile__("lock xchgl %0, (%2)":"=r"(v):"r"(1),"r"(lockptr));\
-	if(v)	action;\
-	}while(0)
-#define TIGHTLOCK(lockptr)   _LOCK(lockptr, __asm__ __volatile__ ("hlt"));
-#define LOCK(lockptr)   _LOCK(lockptr, Threads_Yield());
-#define RELEASE(lockptr)	__asm__ __volatile__("lock andl $0, (%0)"::"r"(lockptr));
-#define HALT()  __asm__ __volatile__ ("hlt")
+// === 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
@@ -55,21 +61,45 @@ typedef struct sSyscallRegs
 		Uint    Num;
 		Uint    Return;
 	};      // RAX
-	Uint    Arg4;	// RCX
-	Uint	Arg3;	// RDX
 	Uint    Error;	// RBX
-	Uint    Resvd1[2];	// Kernel RSP, RBP
-	Uint	Arg2;	// RSI
 	Uint	Arg1;	// RDI
+	Uint	Arg2;	// RSI
+	Uint	Arg3;	// RDX
+	Uint    Arg4;	// RCX
 	Uint	Arg5;	// R8
 	Uint	Arg6;	// R9
-	Uint	Resvd2[6];	// R10 - R15
-	Uint	Resvd3[5];	// IntNum, ErrCode, RIP, CS, RFLAGS
-	
-	Uint	Resvd4[5];      // Int, Err, rip, CS, ...
+	Uint	_Flags;
+	Uint	_IP;
 	Uint	StackPointer;   // RSP
-	Uint	Resvd5[1];      // SS	
+	
 }	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);
+
 #endif