| /* |
| * |
| * Copyright (c) 2009, Microsoft Corporation. |
| * |
| * This program is free software; you can redistribute it and/or modify it |
| * under the terms and conditions of the GNU General Public License, |
| * version 2, as published by the Free Software Foundation. |
| * |
| * This program is distributed in the hope it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
| * more details. |
| * |
| * You should have received a copy of the GNU General Public License along with |
| * this program; if not, write to the Free Software Foundation, Inc., 59 Temple |
| * Place - Suite 330, Boston, MA 02111-1307 USA. |
| * |
| * Authors: |
| * Haiyang Zhang <haiyangz@microsoft.com> |
| * Hank Janssen <hjanssen@microsoft.com> |
| * |
| */ |
| |
| |
| #ifndef _OSD_H_ |
| #define _OSD_H_ |
| |
| // |
| // Defines |
| // |
| |
| |
| #define ALIGN_UP(value, align) ( ((value) & (align-1))? ( ((value) + (align-1)) & ~(align-1) ): (value) ) |
| #define ALIGN_DOWN(value, align) ( (value) & ~(align-1) ) |
| #define NUM_PAGES_SPANNED(addr, len) ( (ALIGN_UP(addr+len, PAGE_SIZE) - ALIGN_DOWN(addr, PAGE_SIZE)) >> PAGE_SHIFT ) |
| |
| #define LOWORD(dw) ((unsigned short) (dw)) |
| #define HIWORD(dw) ((unsigned short) (((unsigned int) (dw) >> 16) & 0xFFFF)) |
| |
| typedef struct _DLIST_ENTRY { |
| struct _DLIST_ENTRY *Flink; |
| struct _DLIST_ENTRY *Blink; |
| } DLIST_ENTRY; |
| |
| // |
| // Other types |
| // |
| //typedef unsigned char GUID[16]; |
| typedef void* HANDLE; |
| |
| typedef struct { |
| unsigned char Data[16]; |
| } GUID; |
| |
| typedef void (*PFN_WORKITEM_CALLBACK)(void* context); |
| typedef void (*PFN_TIMER_CALLBACK)(void* context); |
| |
| |
| #ifdef __x86_64__ |
| |
| #define RDMSR(reg, v) { \ |
| u32 h, l; \ |
| __asm__ __volatile__("rdmsr" \ |
| : "=a" (l), "=d" (h) \ |
| : "c" (reg)); \ |
| v = (((u64)h) << 32) | l; \ |
| } |
| |
| #define WRMSR(reg, v) { \ |
| u32 h, l; \ |
| l = (u32)(((u64)(v)) & 0xFFFFFFFF); \ |
| h = (u32)((((u64)(v)) >> 32) & 0xFFFFFFFF); \ |
| __asm__ __volatile__("wrmsr" \ |
| : /* no outputs */ \ |
| : "c" (reg), "a" (l), "d" (h)); \ |
| } |
| |
| #else |
| |
| #define RDMSR(reg, v) \ |
| __asm__ __volatile__("rdmsr" \ |
| : "=A" (v) \ |
| : "c" (reg)) |
| |
| #define WRMSR(reg, v) \ |
| __asm__ __volatile__("wrmsr" \ |
| : /* no outputs */ \ |
| : "c" (reg), "A" ((u64)v)) |
| |
| #endif |
| |
| |
| static inline void do_cpuid(unsigned int op, unsigned int *eax, unsigned int *ebx, unsigned int *ecx, unsigned int *edx) |
| { |
| __asm__ __volatile__("cpuid" : "=a" (*eax), "=b" (*ebx), "=c" (*ecx), "=d" (*edx) : "0" (op), "c" (ecx)); |
| } |
| |
| // |
| // Osd routines |
| // |
| extern void BitSet(unsigned int* addr, int value); |
| extern void BitClear(unsigned int* addr, int value); |
| extern int BitTest(unsigned int* addr, int value); |
| extern int BitTestAndClear(unsigned int* addr, int value); |
| extern int BitTestAndSet(unsigned int* addr, int value); |
| |
| extern int InterlockedIncrement(int *val); |
| extern int InterlockedDecrement(int *val); |
| extern int InterlockedCompareExchange(int *val, int new, int curr); |
| |
| extern void* VirtualAllocExec(unsigned int size); |
| extern void VirtualFree(void* VirtAddr); |
| |
| extern void* PageAlloc(unsigned int count); |
| extern void PageFree(void* page, unsigned int count); |
| |
| extern void* MemMapIO(unsigned long phys, unsigned long size); |
| extern void MemUnmapIO(void* virt); |
| |
| extern HANDLE TimerCreate(PFN_TIMER_CALLBACK pfnTimerCB, void* context); |
| extern void TimerClose(HANDLE hTimer); |
| extern int TimerStop(HANDLE hTimer); |
| extern void TimerStart(HANDLE hTimer, u32 expirationInUs); |
| |
| extern HANDLE WaitEventCreate(void); |
| extern void WaitEventClose(HANDLE hWait); |
| extern void WaitEventSet(HANDLE hWait); |
| extern int WaitEventWait(HANDLE hWait); |
| |
| // If >0, hWait got signaled. If ==0, timeout. If < 0, error |
| extern int WaitEventWaitEx(HANDLE hWait, u32 TimeoutInMs); |
| |
| |
| #define GetVirtualAddress Physical2LogicalAddr |
| void* Physical2LogicalAddr(unsigned long PhysAddr); |
| |
| #define GetPhysicalAddress Logical2PhysicalAddr |
| unsigned long Logical2PhysicalAddr(void * LogicalAddr); |
| |
| unsigned long Virtual2Physical(void * VirtAddr); |
| |
| void* PageMapVirtualAddress(unsigned long Pfn); |
| void PageUnmapVirtualAddress(void* VirtAddr); |
| |
| |
| extern HANDLE WorkQueueCreate(char* name); |
| extern void WorkQueueClose(HANDLE hWorkQueue); |
| extern int WorkQueueQueueWorkItem(HANDLE hWorkQueue, PFN_WORKITEM_CALLBACK workItem, void* context); |
| |
| extern void QueueWorkItem(PFN_WORKITEM_CALLBACK workItem, void* context); |
| |
| #endif // _OSD_H_ |