3 * Copyright (c) 2009, Microsoft Corporation.
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms and conditions of the GNU General Public License,
7 * version 2, as published by the Free Software Foundation.
9 * This program is distributed in the hope it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
14 * You should have received a copy of the GNU General Public License along with
15 * this program; if not, write to the Free Software Foundation, Inc., 59 Temple
16 * Place - Suite 330, Boston, MA 02111-1307 USA.
19 * Haiyang Zhang <haiyangz@microsoft.com>
20 * Hank Janssen <hjanssen@microsoft.com>
33 #define PAGE_SIZE 0x1000
41 #define memcpy __builtin_memcpy
45 #define memset __builtin_memset
49 #define memcmp __builtin_memcmp
53 #define strcpy __builtin_strcpy
58 //#define sprintf __builtin_sprintf
61 #define STRUCT_PACKED __attribute__((__packed__))
62 #define STRUCT_ALIGNED(x) __attribute__((__aligned__(x)))
64 #define UNUSED_VAR(v) v __attribute__((__unused__))
66 #define ALIGN_UP(value, align) ( ((value) & (align-1))? ( ((value) + (align-1)) & ~(align-1) ): (value) )
67 #define ALIGN_DOWN(value, align) ( (value) & ~(align-1) )
68 #define NUM_PAGES_SPANNED(addr, len) ( (ALIGN_UP(addr+len, PAGE_SIZE) - ALIGN_DOWN(addr, PAGE_SIZE)) >> PAGE_SHIFT )
70 #define LOWORD(dw) ((unsigned short) (dw))
71 #define HIWORD(dw) ((unsigned short) (((unsigned int) (dw) >> 16) & 0xFFFF))
73 #define FIELD_OFFSET(t, f) ((unsigned int)(unsigned long)&(((t *)0)->f))
86 #define NULL (void *)0
89 typedef struct _DLIST_ENTRY {
90 struct _DLIST_ENTRY *Flink;
91 struct _DLIST_ENTRY *Blink;
97 //typedef unsigned char GUID[16];
101 unsigned char Data[16];
104 typedef void (*PFN_WORKITEM_CALLBACK)(void* context);
105 typedef void (*PFN_TIMER_CALLBACK)(void* context);
110 #define RDMSR(reg, v) { \
112 __asm__ __volatile__("rdmsr" \
113 : "=a" (l), "=d" (h) \
115 v = (((u64)h) << 32) | l; \
118 #define WRMSR(reg, v) { \
120 l = (u32)(((u64)(v)) & 0xFFFFFFFF); \
121 h = (u32)((((u64)(v)) >> 32) & 0xFFFFFFFF); \
122 __asm__ __volatile__("wrmsr" \
124 : "c" (reg), "a" (l), "d" (h)); \
129 #define RDMSR(reg, v) \
130 __asm__ __volatile__("rdmsr" \
134 #define WRMSR(reg, v) \
135 __asm__ __volatile__("wrmsr" \
137 : "c" (reg), "A" ((u64)v))
142 static inline void do_cpuid(unsigned int op, unsigned int *eax, unsigned int *ebx, unsigned int *ecx, unsigned int *edx)
144 __asm__ __volatile__("cpuid" : "=a" (*eax), "=b" (*ebx), "=c" (*ecx), "=d" (*edx) : "0" (op), "c" (ecx));
150 extern void LogMsg(const char *fmt, ...);
152 extern void BitSet(unsigned int* addr, int value);
153 extern void BitClear(unsigned int* addr, int value);
154 extern int BitTest(unsigned int* addr, int value);
155 extern int BitTestAndClear(unsigned int* addr, int value);
156 extern int BitTestAndSet(unsigned int* addr, int value);
158 extern int InterlockedIncrement(int *val);
159 extern int InterlockedDecrement(int *val);
160 extern int InterlockedCompareExchange(int *val, int new, int curr);
162 extern void Sleep(unsigned long usecs);
164 extern void* VirtualAllocExec(unsigned int size);
165 extern void VirtualFree(void* VirtAddr);
167 extern void* PageAlloc(unsigned int count);
168 extern void PageFree(void* page, unsigned int count);
170 extern void* MemMapIO(unsigned long phys, unsigned long size);
171 extern void MemUnmapIO(void* virt);
173 extern void* MemAlloc(unsigned int size);
174 extern void* MemAllocZeroed(unsigned int size);
175 extern void* MemAllocAtomic(unsigned int size);
176 extern void MemFree(void* buf);
177 extern void MemoryFence(void);
179 extern HANDLE TimerCreate(PFN_TIMER_CALLBACK pfnTimerCB, void* context);
180 extern void TimerClose(HANDLE hTimer);
181 extern int TimerStop(HANDLE hTimer);
182 extern void TimerStart(HANDLE hTimer, u32 expirationInUs);
183 extern size_t GetTickCount(void);
185 extern HANDLE WaitEventCreate(void);
186 extern void WaitEventClose(HANDLE hWait);
187 extern void WaitEventSet(HANDLE hWait);
188 extern int WaitEventWait(HANDLE hWait);
190 // If >0, hWait got signaled. If ==0, timeout. If < 0, error
191 extern int WaitEventWaitEx(HANDLE hWait, u32 TimeoutInMs);
193 extern HANDLE SpinlockCreate(void);
194 extern void SpinlockClose(HANDLE hSpin);
195 extern void SpinlockAcquire(HANDLE hSpin);
196 extern void SpinlockRelease(HANDLE hSpin);
199 #define GetVirtualAddress Physical2LogicalAddr
200 void* Physical2LogicalAddr(unsigned long PhysAddr);
202 #define GetPhysicalAddress Logical2PhysicalAddr
203 unsigned long Logical2PhysicalAddr(void * LogicalAddr);
205 unsigned long Virtual2Physical(void * VirtAddr);
207 void* PageMapVirtualAddress(unsigned long Pfn);
208 void PageUnmapVirtualAddress(void* VirtAddr);
211 extern HANDLE WorkQueueCreate(char* name);
212 extern void WorkQueueClose(HANDLE hWorkQueue);
213 extern int WorkQueueQueueWorkItem(HANDLE hWorkQueue, PFN_WORKITEM_CALLBACK workItem, void* context);
215 extern void QueueWorkItem(PFN_WORKITEM_CALLBACK workItem, void* context);