X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=Kernel%2Farch%2Fx86%2Finclude%2Farch.h;h=996f41851e575bf8c89c9cc4e85d55eb8a0ba302;hb=53436af44ded8bc345d4d3d1a9fe25de4d6f23bc;hp=77cdd70616fc4d864585cc66fb63636f38696044;hpb=1e7db40300bc594cf708bb6082a6e05a268da946;p=tpg%2Facess2.git diff --git a/Kernel/arch/x86/include/arch.h b/Kernel/arch/x86/include/arch.h index 77cdd706..996f4185 100644 --- a/Kernel/arch/x86/include/arch.h +++ b/Kernel/arch/x86/include/arch.h @@ -26,15 +26,7 @@ #define BITS 32 // - Processor/Machine Specific Features -#if ARCH == i386 -// Uses no advanced features -# define USE_MP 0 -# define USE_PAE 0 -#elif ARCH == i586 -// All Enabled -# define USE_MP 1 -# define USE_PAE 1 -#else +#if ARCH != i386 && ARCH != i486 && ARCH != i586 # error "Unknown architecture '" #ARCH "'" #endif @@ -52,6 +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)); @@ -70,11 +63,7 @@ typedef signed long Sint32; typedef signed long long Sint64; typedef Uint size_t; -#if USE_PAE typedef Uint64 tPAddr; -#else -typedef Uint32 tPAddr; -#endif typedef Uint32 tVAddr; typedef struct {