Apple-2-SW/a3driverutil
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add slot command

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2024-03-14 14:58:08 +11:00
parent 7bd94be840
commit 17bd2470ff
2 changed files with 74 additions and 0 deletions
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12
README.md
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@@ -204,3 +204,15 @@ This allows a driver to be deleted from a SOS.DRIVER file.
drivername Name of driver to be deleted (include . eg: ".console"
sosfile SOS.DRIVER file to delete the driver from
```
## Set driver slot in a SOS.DRIVER file
This allows the slot to be set for a driver in a SOS.DRIVER file.
```
usage: a3Driverutil.py slot [-h] slotnumber drivername sosfile
positional arguments:
slotnumber New slot number
drivername Name of driver to be updated (include . eg: ".console"
sosfile SOS.DRIVER file to update the driver slot
```

62
a3driverutil.py
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@@ -119,6 +119,19 @@ extract_parser.add_argument(
'sosfile', action='store',
help='SOS.DRIVER file to extract the driver from')
# Set Driver Slot command
extract_parser = subparsers.add_parser(
'slot', help='Set slot for a driver')
extract_parser.add_argument(
'newslot', action='store',
help='New slot number')
extract_parser.add_argument(
'drivername', action='store',
help='Name of driver to set slot (include . eg: ".mouse"')
extract_parser.add_argument(
'sosfile', action='store',
help='SOS.DRIVER file to extract the driver from')
args = parser.parse_args()
@@ -689,3 +702,52 @@ elif args.command == 'extractcode':
else:
#not found
print('Driver: ' + driver_name + ' not found in SOS.DRIVER file')
# Set Slot for a driver in a driver file
#
elif args.command == 'slot':
newslot = int(args.newslot)
if (newslot < 0 or newslot > 4) and newslot != 255:
print('Invalid slot number, expect 0, 1-4, 255')
exit(1)
driver_name = args.drivername
sos_file = args.sosfile #read in the SOS.DRIVER file
sosdriver = open(sos_file,'rb')
sosdriverfile = bytearray(sosdriver.read())
sosdriver.close()
drivers_list = parsedriverfile(sosdriverfile)[0] #parse the driver file to find the positions of the drivers
drivers_end = parsedriverfile(sosdriverfile)[1] #parse the driver file to find the end of the drivers
driver_details = [] #now grab the details from dib0 of each them ie to find the names
for i in range(0,len(drivers_list)):
offset = drivers_list[i]['code_start']
driver_details.append(parseDIB(sosdriverfile,offset,0)) #we always use dib0
i = find(driver_details,'name',driver_name.upper()) #find index of the driver to set slot, convert name to uppercase
if i != -1:
#found it
print('Driver found in SOS.DRIVER, updating slot')
#start of the found driver
offset = drivers_list[i]['code_start']
sosdriverfile[offset+23] = newslot #update dib0
nextdib = readWord(sosdriverfile,offset+2) #next dib of this driver
while nextdib != 0:
sosdriverfile[offset+nextdib+23] = newslot #update next dib
nextdib = readWord(sosdriverfile,offset+nextdib+2) #get next dib of this driver
driverfile = open(sos_file,'wb') #write the updated sos.driver file
driverfile.write(sosdriverfile)
driverfile.close()
print('Driver: ' + driver_name + ' slot updated to: ' + str(newslot))
else:
print('Driver: ' + driver_name + ' not found in SOS.DRIVER file')