X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=Kernel%2Farch%2Fx86%2Finclude%2Farch.h;h=4007a71f190b6307be756708fe94beb8a43d1e39;hb=b2b9acdf26d6b525f09545b0d07845fde997873b;hp=6a7ab45e6c971ec16051cd97ebecfbd75486aa6b;hpb=d3a46a7874a4d535d6cb9ef00c451d0bbbb65e9c;p=tpg%2Facess2.git diff --git a/Kernel/arch/x86/include/arch.h b/Kernel/arch/x86/include/arch.h index 6a7ab45e..4007a71f 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 @@ -44,7 +36,15 @@ # define MAX_CPUS 1 #endif +#if USE_PAE +# define PHYS_BITS 48 +#else +# define PHYS_BITS 32 +#endif + // === 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)); @@ -63,15 +63,9 @@ 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 void (*tThreadFunction)(void*); - typedef struct { Uint gs, fs, es, ds; Uint edi, esi, ebp, kesp; @@ -104,18 +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]; @@ -128,7 +110,4 @@ typedef struct { Uint EIP, ESP, EBP; } tTaskState; -// --- Interface Flags & Macros -#define CLONE_VM 0x10 - #endif // !defined(_ARCH_H_)