mirror of
https://github.com/reactos/reactos.git
synced 2024-07-01 02:10:07 +00:00
[HAL]
- Correctly prepare the I/O port map for V86 mode by making HalpSavedIoMap actually point to it instead of to the parent structure. Fixes boot with video BIOS code that relies on I/O ports FF00 through FFFF. CORE-13306 #resolve svn path=/trunk/; revision=74623
This commit is contained in:
parent
7fe1fd0766
commit
945dd20eae
|
@ -390,7 +390,7 @@ HalpStoreAndClearIopm(VOID)
|
|||
//
|
||||
// Loop the I/O Map
|
||||
//
|
||||
for (i = j = 0; i < (IOPM_SIZE) / 2; i++)
|
||||
for (i = j = 0; i < IOPM_SIZE / sizeof(USHORT); i++)
|
||||
{
|
||||
//
|
||||
// Check for non-FFFF entry
|
||||
|
@ -415,7 +415,10 @@ HalpStoreAndClearIopm(VOID)
|
|||
//
|
||||
// Terminate it
|
||||
//
|
||||
while (i++ < (IOPM_FULL_SIZE / 2)) *Entry++ = 0xFFFF;
|
||||
while (i++ < IOPM_FULL_SIZE / sizeof(USHORT))
|
||||
{
|
||||
*Entry++ = 0xFFFF;
|
||||
}
|
||||
|
||||
//
|
||||
// Return the entries we saved
|
||||
|
@ -542,7 +545,7 @@ HalpSetupRealModeIoPermissionsAndTask(VOID)
|
|||
//
|
||||
// Save a copy of the I/O Map and delete it
|
||||
//
|
||||
HalpSavedIoMap = (PUSHORT)&(KeGetPcr()->TSS->IoMaps[0]);
|
||||
HalpSavedIoMap = (PUSHORT)KeGetPcr()->TSS->IoMaps[0].IoMap;
|
||||
HalpStoreAndClearIopm();
|
||||
|
||||
//
|
||||
|
|
Loading…
Reference in a new issue