怎么用WINIO去读FFFFFFFF这个地址？

longze · 发表于 2008-3-29 08:37:22

amty.wang · 发表于 2008-4-7 23:12:35

贴一个WINIO自带的例子：
#include <windows.h>
#include <stdio.h>
#include "winio.h"

void main()
{
  DWORD dwPortVal;
  DWORD dwMemVal;
  bool bResult;
  HANDLE hPhysicalMemory;
  PBYTE pbLinAddr;

  // Call InitializeWinIo to initialize the WinIo library.

  bResult = InitializeWinIo();

  if (bResult)
  {
// Under Windows NT/2000/XP, after calling InitializeWinIo,
// you can call _inp/_outp instead of using GetPortVal/SetPortVal

GetPortVal(0x378, &dwPortVal, 4);

SetPortVal(0x378, 10, 4);

// Map physical addresses 0xA0000 - 0xAFFFF into the linear address space
// of the application. The value returned from the call to MapPhysToLin is
// a linear address corresponding to physical address 0xA0000. In case of
// an error, the return value is NULL.

pbLinAddr = MapPhysToLin((PBYTE)0xA0000, 65536, &hPhysicalMemory);

if (pbLinAddr)
{
   // Now we can use pbLinAddr to access physical address 0xA0000

   *pbLinAddr = 10;

   // When you're done with pbLinAddr, call UnmapPhysicalMemory

   UnmapPhysicalMemory(hPhysicalMemory, pbLinAddr);
}

// Instead of using MapPhysToLin, we can use GetPhysLong/SetPhysLong

GetPhysLong((PBYTE)0xA0000, &dwMemVal);

SetPhysLong((PBYTE)0xA0000, 10);

// When you're done using WinIo, call ShutdownWinIo

ShutdownWinIo();
  }
  else
  {
printf("Error during initialization of WinIo.\n");
exit(1);
  }
}

c_cfan · 发表于 2008-9-23 14:49:10

楼上的有试过吗？楼主所说的地址超过2G了哦

happybasic · 发表于 2008-9-24 20:00:29

我目前也是2G之后就不行了

Alexander · 发表于 2008-12-12 21:45:50

WinIO是有2G的限制，因为2G~4G之间属于系统部分，Microsoft是不会让用户自己乱搞的。

happybasic · 发表于 2008-12-13 17:07:47

此问题已解决，请用附件改过的WinIo库，就可以访问到>2G的memory了

[ 本帖最后由 happybasic 于 2008-12-24 11:00 编辑 ]

weednet · 发表于 2008-12-18 15:36:12

向happybasic 表达一下自己的无线敬意！！

xtdumpling · 发表于 2008-12-23 22:24:04

谢谢2#和6#

happybasic · 发表于 2008-12-24 11:19:55

谁来翻译/解释一下~
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happybasic · 发表于 2008-12-24 11:21:14

刚收到一位在用我改过的WinIo的网友提醒说我可能在违反license ... 很晕的说，他先下了，再提醒我....

watercai123 · 发表于 2009-1-16 00:42:09

对，向happybasic 表达一下自己的无线敬意！！他人很好~

qdk0901 · 发表于 2009-2-14 22:41:35

原帖由 happybasic 于 2008-12-24 11:21 发表
' }/ y4 K+ E5 ?5 q/ d/ _刚收到一位在用我改过的WinIo的网友提醒说我可能在违反license ... 很晕的说，他先下了，再提醒我....

winio早已经不维护了，他自己有bug还不许别人修改吗。

原来的作者误以为_LARGE_INTEGER的QuartPart是个无符号数了。

lzwfy · 发表于 2009-6-14 14:57:16

我路过,,我是菜鸟,

madsys · 发表于 2010-3-23 16:09:06

原帖由 happybasic 于 2008-12-13 17:07 发表 9 c5 d2 J r. _2 G8 ?
此问题已解决，请用附件修改过的WinIo库，就可以访问到>2G的memory了

请问现在这个修改过的winIo库还有吗？好像删除了

madsys · 发表于 2010-3-23 16:29:29

已经找到了，感谢各位~

Faintsnow · 发表于 2010-3-31 11:40:16

pStartPhysAddress.QuadPart = (ULONGLONG)pPhysAddress &.......

iwillbeback008 · 发表于 2011-5-26 20:29:37

也在为读取2G以上的地址所困扰，谢谢

所说的附件呢？

[ 本帖最后由 iwillbeback008 于 2011-5-26 20:31 编辑 ]

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