X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=Kernel%2Farch%2Fx86_64%2Finclude%2Farch.h;h=d8b1124dc9d97af56567db8dedd595dbe3a07726;hb=2ebf89999759fc9d1ece6f98dfd439170995bb28;hp=d812a5140409dac6c508658d07d4305192867d39;hpb=3234a52a913609230ffc140c27542d421bb1b7d3;p=tpg%2Facess2.git diff --git a/Kernel/arch/x86_64/include/arch.h b/Kernel/arch/x86_64/include/arch.h index d812a514..d8b1124d 100644 --- a/Kernel/arch/x86_64/include/arch.h +++ b/Kernel/arch/x86_64/include/arch.h @@ -5,29 +5,104 @@ #ifndef _ARCH_H_ #define _ARCH_H_ -#define KERNEL_BASE 0xFFFF8000##00000000 +//#include +#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 // === Core Types === typedef signed char Sint8; typedef unsigned char Uint8; typedef signed short Sint16; typedef unsigned short Uint16; -typedef signed long Sint32; -typedef unsigned long Uint32; -typedef signed long long Sint64; -typedef unsigned long long Uint64; +typedef signed int Sint32; +typedef unsigned int Uint32; +#if __WORDSIZE == 64 +typedef signed long int Sint64; +typedef unsigned long int Uint64; +#else +typedef signed long long int Sint64; +typedef unsigned long long int Uint64; +#endif +typedef Sint64 Sint; typedef Uint64 Uint; typedef Uint64 tPAddr; typedef Uint64 tVAddr; -//typedef unsigned int size_t; typedef Uint64 size_t; +typedef char BOOL; + +#define __ASM__ __asm__ __volatile__ + +// === 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 +typedef struct sSyscallRegs +{ + union { + 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 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 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 +}; -typedef int tSpinlock; +// === 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); -#define LOCK(_ptr) -#define RELEASE(_ptr) +extern void Debug_PutCharDebug(char ch); +extern void Debug_PutStringDebug(const char *Str); #endif