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define driver_ptr() which computes driver pointer according handle and dCtlFlags

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This commit is contained in:
Laurent Vivier 2007-10-08 13:32:52 +00:00
parent 8b3e28e5b7
commit 816a2002a7
1 changed files with 34 additions and 43 deletions
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77
second/driver.c
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@ -17,14 +17,35 @@
#include "misc.h"
#include "driver.h"
#if 0
static DriverHeader *driver_ptr(DCtlHandle handle)
{
DCtlPtr currentPtr;
DriverHeader *driverPtr, **driverHandle;
if (handle == NULL)
return NULL;
currentPtr = *handle;
if (currentPtr->dCtlFlags & dRAMBasedMask)
{
driverHandle = (void*)(currentPtr->dCtlDriver);
if (!driverHandle)
return NULL;
driverPtr = *driverHandle;
}
else
driverPtr = (void*)(currentPtr->dCtlDriver);
return driverPtr;
}
#if 1
void list_drivers()
{
int i;
short count;
DCtlHandle *currentHandle;
DCtlPtr currentPtr;
DriverHeader *driverPtr, **driverHandle;
DriverHeader *driverPtr;
char name[256];
int j;
@ -32,18 +53,9 @@ void list_drivers()
currentHandle = (DCtlEntry ***) LMGetUTableBase();
for (i = 0; i < count; i++)
{
if (!currentHandle[i])
driverPtr = driver_ptr(currentHandle[i]);
if (driverPtr == NULL)
continue;
currentPtr = *(currentHandle[i]);
if (currentPtr->dCtlFlags & dRAMBasedMask)
{
driverHandle = (void*)(currentPtr->dCtlDriver);
if (!driverHandle)
continue;
driverPtr = *driverHandle;
}
else
driverPtr = (void*)(currentPtr->dCtlDriver);
for(j = 0; j < driverPtr->drvrName[0]; j++)
name[j] = driverPtr->drvrName[j + 1];
@ -63,13 +75,11 @@ void list_drivers()
}
#endif
#if 0
#if 1
void list_unit(void)
{
short refnum;
DCtlHandle currentHandle;
DCtlPtr currentPtr;
DriverHeader *driverPtr, **driverHandle;
DriverHeader *driverPtr;
char name[256];
int j;
QHdrPtr driveQHdr;
@ -85,19 +95,10 @@ void list_unit(void)
refnum = drivePtr->dQRefNum;
drivePtr = (DrvQEl *)drivePtr->qLink;
currentHandle = GetDCtlEntry(refnum);
if (!currentHandle)
driverPtr = driver_ptr(GetDCtlEntry(refnum));
if (driverPtr == NULL)
continue;
currentPtr = *currentHandle;
if (currentPtr->dCtlFlags & dRAMBasedMask)
{
driverHandle = (void*)(currentPtr->dCtlDriver);
if (!driverHandle)
continue;
driverPtr = *driverHandle;
}
else
driverPtr = (void*)(currentPtr->dCtlDriver);
for(j = 0; j < driverPtr->drvrName[0]; j++)
name[j] = driverPtr->drvrName[j + 1];
name[j] = 0;
@ -148,8 +149,7 @@ void turn_off_interrupts()
int i;
short count;
DCtlHandle *currentHandle;
DCtlPtr currentPtr;
DriverHeader *driverPtr, **driverHandle;
DriverHeader *driverPtr;
short refnum;
volatile OSErr err; /* because -O2 remove call to PBControlSync() otherwise... */
VDParamBlock pb;
@ -161,18 +161,9 @@ void turn_off_interrupts()
currentHandle = (DCtlEntry ***) LMGetUTableBase();
for (i = 0; i < count; i++)
{
if (!currentHandle[i])
driverPtr = driver_ptr(currentHandle[i]);
if (driverPtr == NULL)
continue;
currentPtr = *(currentHandle[i]);
if (currentPtr->dCtlFlags & dRAMBasedMask)
{
driverHandle = (void*)(currentPtr->dCtlDriver);
if (!driverHandle)
continue;
driverPtr = *driverHandle;
}
else
driverPtr = (void*)(currentPtr->dCtlDriver);
for(j = 0; j < driverPtr->drvrName[0]; j++)
name[j] = driverPtr->drvrName[j + 1];