Hank Janssen | ab05778 | 2009-07-13 15:19:28 -0700 | [diff] [blame] | 1 | /* |
| 2 | * |
| 3 | * Copyright (c) 2009, Microsoft Corporation. |
| 4 | * |
| 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. |
| 8 | * |
| 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 |
| 12 | * more details. |
| 13 | * |
| 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. |
| 17 | * |
| 18 | * Authors: |
| 19 | * Haiyang Zhang <haiyangz@microsoft.com> |
| 20 | * Hank Janssen <hjanssen@microsoft.com> |
| 21 | * |
| 22 | */ |
| 23 | |
| 24 | |
| 25 | #ifndef _OSD_H_ |
| 26 | #define _OSD_H_ |
| 27 | |
| 28 | // |
| 29 | // Defines |
| 30 | // |
| 31 | |
| 32 | #ifndef PAGE_SIZE |
| 33 | #define PAGE_SIZE 0x1000 |
| 34 | #endif |
| 35 | |
| 36 | #ifndef PAGE_SHIFT |
| 37 | #define PAGE_SHIFT 12 |
| 38 | #endif |
| 39 | |
| 40 | #ifndef memcpy |
| 41 | #define memcpy __builtin_memcpy |
| 42 | #endif |
| 43 | |
| 44 | #ifndef memset |
| 45 | #define memset __builtin_memset |
| 46 | #endif |
| 47 | |
| 48 | #ifndef memcmp |
| 49 | #define memcmp __builtin_memcmp |
| 50 | #endif |
| 51 | |
| 52 | #ifndef strcpy |
| 53 | #define strcpy __builtin_strcpy |
| 54 | #endif |
| 55 | |
| 56 | // |
| 57 | //#ifndef sprintf |
| 58 | //#define sprintf __builtin_sprintf |
| 59 | //#endif |
| 60 | |
| 61 | #define STRUCT_PACKED __attribute__((__packed__)) |
| 62 | #define STRUCT_ALIGNED(x) __attribute__((__aligned__(x))) |
| 63 | |
| 64 | #define UNUSED_VAR(v) v __attribute__((__unused__)) |
| 65 | |
| 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 ) |
| 69 | |
| 70 | #define MIN(a, b) ((a) < (b)? (a): (b)) |
| 71 | #define MAX(a, b) ((a) > (b)? (a): (b)) |
| 72 | |
| 73 | #define LOWORD(dw) ((unsigned short) (dw)) |
| 74 | #define HIWORD(dw) ((unsigned short) (((unsigned int) (dw) >> 16) & 0xFFFF)) |
| 75 | |
| 76 | #define FIELD_OFFSET(t, f) ((unsigned int)(unsigned long)&(((t *)0)->f)) |
| 77 | |
| 78 | #ifdef FALSE |
| 79 | #undef FALSE |
| 80 | #endif |
| 81 | #define FALSE 0 |
| 82 | |
| 83 | #ifdef TRUE |
| 84 | #undef TRUE |
| 85 | #endif |
| 86 | #define TRUE 1 |
| 87 | |
| 88 | #ifndef NULL |
| 89 | #define NULL (void *)0 |
| 90 | #endif |
| 91 | |
| 92 | typedef struct _DLIST_ENTRY { |
| 93 | struct _DLIST_ENTRY *Flink; |
| 94 | struct _DLIST_ENTRY *Blink; |
| 95 | } DLIST_ENTRY; |
| 96 | |
| 97 | // |
| 98 | // unsigned types |
| 99 | // |
Hank Janssen | ab05778 | 2009-07-13 15:19:28 -0700 | [diff] [blame] | 100 | typedef unsigned int ULONG; |
Hank Janssen | ab05778 | 2009-07-13 15:19:28 -0700 | [diff] [blame] | 101 | |
| 102 | // |
| 103 | // signed types |
| 104 | // |
Hank Janssen | ab05778 | 2009-07-13 15:19:28 -0700 | [diff] [blame] | 105 | typedef int LONG; |
Hank Janssen | ab05778 | 2009-07-13 15:19:28 -0700 | [diff] [blame] | 106 | |
| 107 | // |
| 108 | // Other types |
| 109 | // |
| 110 | typedef unsigned long SIZE_T; |
Hank Janssen | ab05778 | 2009-07-13 15:19:28 -0700 | [diff] [blame] | 111 | //typedef unsigned char GUID[16]; |
Hank Janssen | ab05778 | 2009-07-13 15:19:28 -0700 | [diff] [blame] | 112 | typedef unsigned char BOOL; |
| 113 | typedef unsigned char BOOLEAN; |
| 114 | typedef void* HANDLE; |
Greg Kroah-Hartman | 4d64311 | 2009-07-14 15:09:36 -0700 | [diff] [blame] | 115 | typedef u32 DWORD; |
Hank Janssen | ab05778 | 2009-07-13 15:19:28 -0700 | [diff] [blame] | 116 | typedef unsigned char BYTE; |
| 117 | |
Hank Janssen | ab05778 | 2009-07-13 15:19:28 -0700 | [diff] [blame] | 118 | typedef struct { |
| 119 | unsigned char Data[16]; |
| 120 | } GUID; |
| 121 | |
| 122 | typedef void (*PFN_WORKITEM_CALLBACK)(void* context); |
| 123 | typedef void (*PFN_TIMER_CALLBACK)(void* context); |
| 124 | |
| 125 | |
| 126 | #ifdef __x86_64__ |
| 127 | |
| 128 | #define RDMSR(reg, v) { \ |
Greg Kroah-Hartman | 4d64311 | 2009-07-14 15:09:36 -0700 | [diff] [blame] | 129 | u32 h, l; \ |
Hank Janssen | ab05778 | 2009-07-13 15:19:28 -0700 | [diff] [blame] | 130 | __asm__ __volatile__("rdmsr" \ |
| 131 | : "=a" (l), "=d" (h) \ |
| 132 | : "c" (reg)); \ |
Greg Kroah-Hartman | 5947143 | 2009-07-14 15:10:26 -0700 | [diff] [blame] | 133 | v = (((u64)h) << 32) | l; \ |
Hank Janssen | ab05778 | 2009-07-13 15:19:28 -0700 | [diff] [blame] | 134 | } |
| 135 | |
| 136 | #define WRMSR(reg, v) { \ |
Greg Kroah-Hartman | 4d64311 | 2009-07-14 15:09:36 -0700 | [diff] [blame] | 137 | u32 h, l; \ |
Greg Kroah-Hartman | 5947143 | 2009-07-14 15:10:26 -0700 | [diff] [blame] | 138 | l = (u32)(((u64)(v)) & 0xFFFFFFFF); \ |
| 139 | h = (u32)((((u64)(v)) >> 32) & 0xFFFFFFFF); \ |
Hank Janssen | ab05778 | 2009-07-13 15:19:28 -0700 | [diff] [blame] | 140 | __asm__ __volatile__("wrmsr" \ |
| 141 | : /* no outputs */ \ |
| 142 | : "c" (reg), "a" (l), "d" (h)); \ |
| 143 | } |
| 144 | |
| 145 | #else |
| 146 | |
| 147 | #define RDMSR(reg, v) \ |
| 148 | __asm__ __volatile__("rdmsr" \ |
| 149 | : "=A" (v) \ |
| 150 | : "c" (reg)) |
| 151 | |
| 152 | #define WRMSR(reg, v) \ |
| 153 | __asm__ __volatile__("wrmsr" \ |
| 154 | : /* no outputs */ \ |
Greg Kroah-Hartman | 5947143 | 2009-07-14 15:10:26 -0700 | [diff] [blame] | 155 | : "c" (reg), "A" ((u64)v)) |
Hank Janssen | ab05778 | 2009-07-13 15:19:28 -0700 | [diff] [blame] | 156 | |
| 157 | #endif |
| 158 | |
| 159 | |
| 160 | static inline void do_cpuid(unsigned int op, unsigned int *eax, unsigned int *ebx, unsigned int *ecx, unsigned int *edx) |
| 161 | { |
| 162 | __asm__ __volatile__("cpuid" : "=a" (*eax), "=b" (*ebx), "=c" (*ecx), "=d" (*edx) : "0" (op), "c" (ecx)); |
| 163 | } |
| 164 | |
| 165 | // |
| 166 | // Osd routines |
| 167 | // |
| 168 | extern void LogMsg(const char *fmt, ...); |
| 169 | |
| 170 | extern void BitSet(unsigned int* addr, int value); |
| 171 | extern void BitClear(unsigned int* addr, int value); |
| 172 | extern int BitTest(unsigned int* addr, int value); |
| 173 | extern int BitTestAndClear(unsigned int* addr, int value); |
| 174 | extern int BitTestAndSet(unsigned int* addr, int value); |
| 175 | |
| 176 | extern int InterlockedIncrement(int *val); |
| 177 | extern int InterlockedDecrement(int *val); |
| 178 | extern int InterlockedCompareExchange(int *val, int new, int curr); |
| 179 | |
| 180 | extern void Sleep(unsigned long usecs); |
| 181 | |
| 182 | extern void* VirtualAllocExec(unsigned int size); |
| 183 | extern void VirtualFree(void* VirtAddr); |
| 184 | |
| 185 | extern void* PageAlloc(unsigned int count); |
| 186 | extern void PageFree(void* page, unsigned int count); |
| 187 | |
| 188 | extern void* MemMapIO(unsigned long phys, unsigned long size); |
| 189 | extern void MemUnmapIO(void* virt); |
| 190 | |
| 191 | extern void* MemAlloc(unsigned int size); |
| 192 | extern void* MemAllocZeroed(unsigned int size); |
| 193 | extern void* MemAllocAtomic(unsigned int size); |
| 194 | extern void MemFree(void* buf); |
Greg Kroah-Hartman | e20f683 | 2009-07-14 15:07:21 -0700 | [diff] [blame] | 195 | extern void MemoryFence(void); |
Hank Janssen | ab05778 | 2009-07-13 15:19:28 -0700 | [diff] [blame] | 196 | |
| 197 | extern HANDLE TimerCreate(PFN_TIMER_CALLBACK pfnTimerCB, void* context); |
| 198 | extern void TimerClose(HANDLE hTimer); |
| 199 | extern int TimerStop(HANDLE hTimer); |
Greg Kroah-Hartman | 4d64311 | 2009-07-14 15:09:36 -0700 | [diff] [blame] | 200 | extern void TimerStart(HANDLE hTimer, u32 expirationInUs); |
Hank Janssen | ab05778 | 2009-07-13 15:19:28 -0700 | [diff] [blame] | 201 | extern SIZE_T GetTickCount(void); |
| 202 | |
| 203 | extern HANDLE WaitEventCreate(void); |
| 204 | extern void WaitEventClose(HANDLE hWait); |
| 205 | extern void WaitEventSet(HANDLE hWait); |
| 206 | extern int WaitEventWait(HANDLE hWait); |
| 207 | |
| 208 | // If >0, hWait got signaled. If ==0, timeout. If < 0, error |
Greg Kroah-Hartman | 4d64311 | 2009-07-14 15:09:36 -0700 | [diff] [blame] | 209 | extern int WaitEventWaitEx(HANDLE hWait, u32 TimeoutInMs); |
Hank Janssen | ab05778 | 2009-07-13 15:19:28 -0700 | [diff] [blame] | 210 | |
| 211 | extern HANDLE SpinlockCreate(void); |
| 212 | extern void SpinlockClose(HANDLE hSpin); |
| 213 | extern void SpinlockAcquire(HANDLE hSpin); |
| 214 | extern void SpinlockRelease(HANDLE hSpin); |
| 215 | |
| 216 | |
| 217 | #define GetVirtualAddress Physical2LogicalAddr |
Greg Kroah-Hartman | c4b0bc9 | 2009-07-14 15:12:46 -0700 | [diff] [blame^] | 218 | void* Physical2LogicalAddr(unsigned long PhysAddr); |
Hank Janssen | ab05778 | 2009-07-13 15:19:28 -0700 | [diff] [blame] | 219 | |
| 220 | #define GetPhysicalAddress Logical2PhysicalAddr |
Greg Kroah-Hartman | c4b0bc9 | 2009-07-14 15:12:46 -0700 | [diff] [blame^] | 221 | unsigned long Logical2PhysicalAddr(void * LogicalAddr); |
Hank Janssen | ab05778 | 2009-07-13 15:19:28 -0700 | [diff] [blame] | 222 | |
Greg Kroah-Hartman | c4b0bc9 | 2009-07-14 15:12:46 -0700 | [diff] [blame^] | 223 | unsigned long Virtual2Physical(void * VirtAddr); |
Hank Janssen | ab05778 | 2009-07-13 15:19:28 -0700 | [diff] [blame] | 224 | |
| 225 | void* PageMapVirtualAddress(unsigned long Pfn); |
| 226 | void PageUnmapVirtualAddress(void* VirtAddr); |
| 227 | |
| 228 | |
| 229 | extern HANDLE WorkQueueCreate(char* name); |
| 230 | extern void WorkQueueClose(HANDLE hWorkQueue); |
| 231 | extern int WorkQueueQueueWorkItem(HANDLE hWorkQueue, PFN_WORKITEM_CALLBACK workItem, void* context); |
| 232 | |
| 233 | extern void QueueWorkItem(PFN_WORKITEM_CALLBACK workItem, void* context); |
| 234 | |
| 235 | #endif // _OSD_H_ |