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 MIN(a, b) ((a) < (b)? (a): (b))
71 #define MAX(a, b) ((a) > (b)? (a): (b))
73 #define LOWORD(dw) ((unsigned short) (dw))
74 #define HIWORD(dw) ((unsigned short) (((unsigned int) (dw) >> 16) & 0xFFFF))
76 #define FIELD_OFFSET(t, f) ((unsigned int)(unsigned long)&(((t *)0)->f))
89 #define NULL (void *)0
92 typedef struct _DLIST_ENTRY {
93 struct _DLIST_ENTRY *Flink;
94 struct _DLIST_ENTRY *Blink;
101 typedef unsigned long UINT64;
103 typedef unsigned long long UINT64;
106 typedef unsigned long long ULONGLONG;
107 typedef unsigned int ULONG;
108 typedef unsigned short USHORT;
109 typedef unsigned char UCHAR;
117 typedef long long INT64;
122 typedef long long LONGLONG;
127 typedef unsigned long SIZE_T;
128 //typedef unsigned char GUID[16];
129 typedef unsigned char BOOL;
130 typedef unsigned char BOOLEAN;
131 typedef void* HANDLE;
134 typedef unsigned char BYTE;
136 typedef unsigned long ULONG_PTR;
139 unsigned char Data[16];
142 typedef void (*PFN_WORKITEM_CALLBACK)(void* context);
143 typedef void (*PFN_TIMER_CALLBACK)(void* context);
148 #define RDMSR(reg, v) { \
150 __asm__ __volatile__("rdmsr" \
151 : "=a" (l), "=d" (h) \
153 v = (((UINT64)h) << 32) | l; \
156 #define WRMSR(reg, v) { \
158 l = (u32)(((UINT64)(v)) & 0xFFFFFFFF); \
159 h = (u32)((((UINT64)(v)) >> 32) & 0xFFFFFFFF); \
160 __asm__ __volatile__("wrmsr" \
162 : "c" (reg), "a" (l), "d" (h)); \
167 #define RDMSR(reg, v) \
168 __asm__ __volatile__("rdmsr" \
172 #define WRMSR(reg, v) \
173 __asm__ __volatile__("wrmsr" \
175 : "c" (reg), "A" ((UINT64)v))
180 static inline void do_cpuid(unsigned int op, unsigned int *eax, unsigned int *ebx, unsigned int *ecx, unsigned int *edx)
182 __asm__ __volatile__("cpuid" : "=a" (*eax), "=b" (*ebx), "=c" (*ecx), "=d" (*edx) : "0" (op), "c" (ecx));
188 extern void LogMsg(const char *fmt, ...);
190 extern void BitSet(unsigned int* addr, int value);
191 extern void BitClear(unsigned int* addr, int value);
192 extern int BitTest(unsigned int* addr, int value);
193 extern int BitTestAndClear(unsigned int* addr, int value);
194 extern int BitTestAndSet(unsigned int* addr, int value);
196 extern int InterlockedIncrement(int *val);
197 extern int InterlockedDecrement(int *val);
198 extern int InterlockedCompareExchange(int *val, int new, int curr);
200 extern void Sleep(unsigned long usecs);
202 extern void* VirtualAllocExec(unsigned int size);
203 extern void VirtualFree(void* VirtAddr);
205 extern void* PageAlloc(unsigned int count);
206 extern void PageFree(void* page, unsigned int count);
208 extern void* MemMapIO(unsigned long phys, unsigned long size);
209 extern void MemUnmapIO(void* virt);
211 extern void* MemAlloc(unsigned int size);
212 extern void* MemAllocZeroed(unsigned int size);
213 extern void* MemAllocAtomic(unsigned int size);
214 extern void MemFree(void* buf);
215 extern void MemoryFence(void);
217 extern HANDLE TimerCreate(PFN_TIMER_CALLBACK pfnTimerCB, void* context);
218 extern void TimerClose(HANDLE hTimer);
219 extern int TimerStop(HANDLE hTimer);
220 extern void TimerStart(HANDLE hTimer, u32 expirationInUs);
221 extern SIZE_T GetTickCount(void);
223 extern HANDLE WaitEventCreate(void);
224 extern void WaitEventClose(HANDLE hWait);
225 extern void WaitEventSet(HANDLE hWait);
226 extern int WaitEventWait(HANDLE hWait);
228 // If >0, hWait got signaled. If ==0, timeout. If < 0, error
229 extern int WaitEventWaitEx(HANDLE hWait, u32 TimeoutInMs);
231 extern HANDLE SpinlockCreate(void);
232 extern void SpinlockClose(HANDLE hSpin);
233 extern void SpinlockAcquire(HANDLE hSpin);
234 extern void SpinlockRelease(HANDLE hSpin);
237 #define GetVirtualAddress Physical2LogicalAddr
238 void* Physical2LogicalAddr(ULONG_PTR PhysAddr);
240 #define GetPhysicalAddress Logical2PhysicalAddr
241 ULONG_PTR Logical2PhysicalAddr(void * LogicalAddr);
243 ULONG_PTR Virtual2Physical(void * VirtAddr);
245 void* PageMapVirtualAddress(unsigned long Pfn);
246 void PageUnmapVirtualAddress(void* VirtAddr);
249 extern HANDLE WorkQueueCreate(char* name);
250 extern void WorkQueueClose(HANDLE hWorkQueue);
251 extern int WorkQueueQueueWorkItem(HANDLE hWorkQueue, PFN_WORKITEM_CALLBACK workItem, void* context);
253 extern void QueueWorkItem(PFN_WORKITEM_CALLBACK workItem, void* context);