X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=Kernel%2Farch%2Fx86%2Finclude%2Farch.h;h=8a9870589b27b0010b2798f4696965729f34f70b;hb=a2495c6ea4f4cab16b5d339ae511428e92e89e73;hp=8d8a14a00188ae282b5e0b80f61d7e1b4e0364d4;hpb=adbdc45e64c40f7d3a022caedeb22f5e95dcd12a;p=tpg%2Facess2.git diff --git a/Kernel/arch/x86/include/arch.h b/Kernel/arch/x86/include/arch.h index 8d8a14a0..8a987058 100644 --- a/Kernel/arch/x86/include/arch.h +++ b/Kernel/arch/x86/include/arch.h @@ -1,7 +1,7 @@ /* * Acess2 * - x86 Architecture - * arch/i386/include/arch.h + * arch/x86/include/arch.h */ #ifndef _ARCH_H_ #define _ARCH_H_ @@ -9,15 +9,15 @@ // - Base Defintions #define KERNEL_BASE 0xC0000000 #define BITS 32 +#define PAGE_SIZE 0x1000 #define INVLPTR ((void*)-1) // Allow nested spinlocks? -#define STACKED_LOCKS 2 // 0: No, 1: Per-CPU, 2: Per-Thread #define LOCK_DISABLE_INTS 1 // - Processor/Machine Specific Features -#if ARCH != i386 && ARCH != i486 && ARCH != i586 +#if ARCH != x86 && ARCH != x86_smp # error "Unknown architecture '" #ARCH "'" #endif @@ -40,25 +40,27 @@ * \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 }; // === MACROS === /** * \brief Halt the CPU (shorter version of yield) */ +#if 1 +#define HALT() do { \ + Uint32 flags; \ + __asm__ __volatile__ ("pushf;pop %0" : "=a"(flags)); \ + if( !(flags & 0x200) ) Panic("HALT called with interrupts disabled"); \ + __asm__ __volatile__ ("hlt"); \ +} while(0) +#else #define HALT() __asm__ __volatile__ ("hlt") +#endif /** * \brief Fire a magic breakpoint (bochs) */ @@ -78,7 +80,7 @@ typedef signed long long Sint64; typedef Uint size_t; typedef char BOOL; -typedef Uint64 tPAddr; +typedef Uint32 tPAddr; typedef Uint32 tVAddr; typedef struct { @@ -113,19 +115,10 @@ typedef struct { Uint Resvd4[1]; // SS } tSyscallRegs; -typedef struct { - #if USE_PAE - Uint PDPT[4]; - #else - Uint CR3; - #endif -} tMemoryState; - -typedef struct { - Uint EIP, ESP, EBP; -} tTaskState; - // === FUNCTIONS === +extern void Debug_PutCharDebug(char ch); +extern void Debug_PutStringDebug(const char *String); + extern int IS_LOCKED(struct sShortSpinlock *Lock); extern int CPU_HAS_LOCK(struct sShortSpinlock *Lock); extern void SHORTLOCK(struct sShortSpinlock *Lock);