X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=Kernel%2Farch%2Fx86%2Finclude%2Farch.h;h=4007a71f190b6307be756708fe94beb8a43d1e39;hb=b2b9acdf26d6b525f09545b0d07845fde997873b;hp=18267576e53f4f9e968e991ac63760dccf2ec784;hpb=d52a53f035af92941c0cafe5f81888fed16d2462;p=tpg%2Facess2.git

diff --git a/Kernel/arch/x86/include/arch.h b/Kernel/arch/x86/include/arch.h
index 18267576..4007a71f 100644
--- a/Kernel/arch/x86/include/arch.h
+++ b/Kernel/arch/x86/include/arch.h
@@ -44,6 +44,7 @@
 
 // === MACROS ===
 typedef volatile int	tSpinlock;
+#define IS_LOCKED(lockptr)	(!!(*(tSpinlock*)lockptr))
 #define LOCK(lockptr)	do {int v=1;\
 	while(v)__asm__ __volatile__("lock xchgl %%eax, (%%edi)":"=a"(v):"a"(1),"D"(lockptr));}while(0)
 #define	RELEASE(lockptr)	__asm__ __volatile__("lock andl $0, (%%edi)"::"D"(lockptr));
@@ -97,18 +98,6 @@ typedef struct {
 	Uint	Resvd4[1];	// SS
 } tSyscallRegs;
 
-typedef struct {
-	Uint16	LimitLow;
-	Uint16	BaseLow;
-	Uint8	BaseMid;
-	Uint8	Access;
-	struct {
-		unsigned LimitHi:	4;
-		unsigned Flags:		4;
-	} __attribute__ ((packed));
-	Uint8	BaseHi;
-} __attribute__ ((packed)) tGDT;
-
 typedef struct {
 	#if USE_PAE
 	Uint	PDPT[4];