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Commit cf2be5d4 authored by Neil Turton's avatar Neil Turton
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Import from cleaned 360 CD

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hdr/** gitlab-language=armasm linguist-language=armasm linguist-detectable=true
s/** gitlab-language=armasm linguist-language=armasm linguist-detectable=true
Doc/think 0 → 100644
View file @ cf2be5d4
The current SCSIdriver/SCSIFS pair suffer from potential data/map corruption
problems in that any program may (by accident or on purpose) issue
Write/Format/ModeSelect commands to a device currently mounted by SCSIFS.
The problem is not just one of preventing use by other programs but of
providing a clean change of device ownership from one user to another, as
SCSIdm for example is entitled to modify your disc, (to map out defects/
format/partition it etc) but must only do so once SCSIFS has closed down all
open files and dismounted the disc.
I propose adding the following SWI call to SCSIdriver
SCSI_Reserve
============
'Claim' - Claim exclusive use of a device
-------
This call attempts to claim exclusive use of the given device.
If the call is successful, the caller will be granted sole use of the
'dangerous' SCSIdriver calls for that device and may use them itself, only
by supplying the access key registered at 'Claim' time. Other callers
may only use safe calls such as SCSI_Initialise-DetermineDevice.
If the device has already been claimed, an error message 'Device Reserved'
will be returned.
entry
R0 0
R1 device ID
R2 release address
R3 workspace pointer, to be passed in R12 when release address is called
R8 access key
exit
VC
VS & R0->error
'ForceClaim'
------------
This call is similar to 'Claim' above, however, if the device is already
claimed, it will ask the current claimant to release it, by calling the
release address registered for that device.
The current owner should try to tidy up, and call 'Release' but may refuse
by returning VS and R0 pointing to an error message
Aside: This call will be used by SCSIdm to ask SCSIfs to close files and
dismount etc
entry
R0 1
R1 device ID
R2 release address
R3 workspace pointer, to be passed in R12 when release address is called
R8 access key
exit
VC
VS & R0->error
'Release'
---------
This call will remove the reservation of a device.
entry
R0 2
R1 device ID
R8 access key (to prove you actually claimed it)
exit
VC
VS -> error (probably just "you haven't claimed it")
Aside: This call is used by SCSIFS in response to *DISMOUNT/*BYE
Passing access key value to SCSI SWI's
======================================
The access key (probably WorkSpacePointer) should be passed in R8
and is only checked if the specified device is claimed and the call/reason
code is 'dangerous'.
Comments please
---Richard
HelpText 0 → 100644
View file @ cf2be5d4
;>HelpText
HelpSCSI
= "*"
= TokenEscapeChar,Token0
= " selects the SCSIFS as the current filing system.",13
SynSCSI
= "Syntax: *"
= TokenEscapeChar,Token0
= 0
[ DoBuffering
ConHelpSCSIFSbuffers
= "*Configure "
= TokenEscapeChar,Token0
= " sets the number of extra 1024 byte file buffers taken by the SCSIFS to speed up operations on open files. A value of 1 selects the default number of buffers for the RAM size, and 0 disables fast buffering.",13
ConSynSCSIFSbuffers
= "Syntax: *Configure "
= TokenEscapeChar,Token0
= " <buffers>",0
]
ConHelpSCSIFSDirCache
= "*Configure "
= TokenEscapeChar,Token0
= " sets the size of the directory cache (in Kbytes) used by the SCSIFS. A value of 0 selects a default value which depends on RAM size.",13
ConSynSCSIFSDirCache
= "Syntax: *Configure "
= TokenEscapeChar,Token0
= " <size>[K]",0
ConHelpSCSIFSdrive
= "*Configure "
= TokenEscapeChar,Token0
= " sets the value the default drive is initialised to for SCSIFS.",13
ConSynSCSIFSdrive
= "Syntax: *Configure "
= TokenEscapeChar,Token0
= " <drive>",0
[ FloppySupport
ConHelpSCSIFSFloppies
= "*Configure "
= TokenEscapeChar,Token0
= " sets the number of SCSI discs attached.",13
ConSynSCSIFSFloppies
= "Syntax: *Configure "
= TokenEscapeChar,Token0
= " <SCSI discs>",0
ConHelpSCSIFSdiscs
= "*Configure "
= TokenEscapeChar,Token0
= " sets the number of SCSI discs attached.",13
ConSynSCSIFSdiscs
= "Syntax: *Configure "
= TokenEscapeChar,Token0
= " <SCSI discs>",0
|
ConHelpSCSIFSdiscs
= "*Configure "
= TokenEscapeChar,Token0
= " sets the number of SCSI discs attached.",13
ConSynSCSIFSdiscs
= "Syntax: *Configure "
= TokenEscapeChar,Token0
= " <SCSI discs>",0
]
ALIGN
LNK s.ScsiFs50
LICENSE 0 → 100644
View file @ cf2be5d4
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Makefile 0 → 100644
View file @ cf2be5d4
# Copyright 1996 Acorn Computers Ltd
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
# Makefile for SCSIFS
#
# ***********************************
# *** C h a n g e L i s t ***
# ***********************************
# Date Name Description
# ---- ---- -----------
# 25-May-94 AMcC Created.
#
#
# Paths
#
EXP_HDR = <export$dir>
#
# Generic options:
#
MKDIR = cdir
AS = aasm
CP = copy
RM = remove
TOKENISE = tokenise
CFLAGS = -c -depend !Depend -IC:
AFLAGS = -depend !Depend -Stamp -quit -module
CPFLAGS = ~cfr~v
TOKENS = Hdr:Tokens
#
# Program specific options:
#
COMPONENT = SCSIFS
SOURCE = s.Hdr_fst
TARGET = rm.SCSIFS
EXPORTS = ${EXP_HDR}.${COMPONENT}
#
# Generic rules:
#
all: ${TARGET}
@echo ${COMPONENT}: all built
export: ${EXPORTS}
@echo ${COMPONENT}: export complete
install: ${TARGET}
${CP} ${TARGET} ${INSTDIR}.${COMPONENT} ${CPFLAGS}
@echo ${COMPONENT}: installed
clean:
${RM} ${TARGET}
${RM} TokenHelp
@echo ${COMPONENT}: cleaned
${TARGET}: ${SOURCE} TokenHelp
${AS} ${AFLAGS} -To $@ -From ${SOURCE}
TokenHelp: ${TOKENS} HelpText
${TOKENISE} ${TOKENS} HelpText $@
${EXP_HDR}.${COMPONENT}: hdr.${COMPONENT}
${CP} hdr.${COMPONENT} $@ ${CPFLAGS}
# Dynamic dependencies:
MkClean,fd7 0 → 100644
View file @ cf2be5d4
| Copyright 1996 Acorn Computers Ltd
|
| Licensed under the Apache License, Version 2.0 (the "License");
| you may not use this file except in compliance with the License.
| You may obtain a copy of the License at
|
| http://www.apache.org/licenses/LICENSE-2.0
|
| Unless required by applicable law or agreed to in writing, software
| distributed under the License is distributed on an "AS IS" BASIS,
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
| See the License for the specific language governing permissions and
| limitations under the License.
|
Dir <Obey$Dir>
amu_machine clean
MkRom,fd7 0 → 100644
View file @ cf2be5d4
| Copyright 1996 Acorn Computers Ltd
|
| Licensed under the Apache License, Version 2.0 (the "License");
| you may not use this file except in compliance with the License.
| You may obtain a copy of the License at
|
| http://www.apache.org/licenses/LICENSE-2.0
|
| Unless required by applicable law or agreed to in writing, software
| distributed under the License is distributed on an "AS IS" BASIS,
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
| See the License for the specific language governing permissions and
| limitations under the License.
|
Dir <Obey$Dir>
amu_machine rom
Version 0 → 100644
View file @ cf2be5d4
;>DevVersion
;this declares the version number, incremented at each assembly
GBLS Version
Version SETS "0.25"
GET <urd>.Hdr.ListOpts
GET <urd>.Hdr.Macros
GET <urd>.Hdr.System
GET <urd>.Hdr.CMOS
GET <urd>.Hdr.File
GET <urd>.Hdr.Services
GET <urd>.Hdr.ModHand
GET <urd>.Hdr.NewSpace
GET <urd>.Hdr.Tokens
GET <urd>.Hdr.UpCall
GET <ScsiDir>.ScsiDriver.Hdr_SCSI
GET <ScsiDir>.ScsiDriver.Hdr_ScsiEr
LNK ScsiFs00
hdr/CoreHdr 0 → 100644
View file @ cf2be5d4
; Copyright 1996 Acorn Computers Ltd
;
; Licensed under the Apache License, Version 2.0 (the "License");
; you may not use this file except in compliance with the License.
; You may obtain a copy of the License at
;
; http://www.apache.org/licenses/LICENSE-2.0
;
; Unless required by applicable law or agreed to in writing, software
; distributed under the License is distributed on an "AS IS" BASIS,
; WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
; See the License for the specific language governing permissions and
; limitations under the License.
;
;>CoreHdr
FileCoreSwiBase * Module_SWISystemBase + (Module_SWIChunkSize * FileCoreSWI)
^ FileCoreSwiBase :OR: (1 :SHL: 17)
XOS_FileCoreDiscOp # 1
XOS_FileCoreCreate # 1
XOS_FileCoreDrives # 1
XOS_FileCoreFreeSpace # 1
XOS_FileCoreFloppyStructure # 1
XOS_FileCoreDescribeDisc # 1
;Layout of create FileCore incarnation descriptor block
^ 0
Create_Flags # 3
WinnieNeedsFiq bit 0
FloppyNeedsFiq bit 1
NoBigBuf bit 3 ;set by RAM filing system, small data move buffer size
Create_Id # 1
Create_Title # 4
Create_BootText # 4
Create_LowLevel # 4
Create_Misc # 4
Create_Size # 0
; reason codes for misc call
^ 0
Misc_Mount # 1
Misc_PollChanged # 1
Misc_LockDrive # 1
Misc_UnlockDrive # 1
Misc_PollPeriod # 1
Misc_Unused # 0
; Poll changed status
Drv_NotChanged * 1 :SHL: 0
Drv_MaybeChanged * 1 :SHL: 1
Drv_Changed * 1 :SHL: 2
Drv_Empty * 1 :SHL: 3
Drv_EmptyWorks * 1 :SHL: 6
Drv_ChangedWorks * 1 :SHL: 7
NoDirBit * 1 :SHL: 6
END
hdr/MyErrors 0 → 100644
View file @ cf2be5d4
; Copyright 1996 Acorn Computers Ltd
;
; Licensed under the Apache License, Version 2.0 (the "License");
; you may not use this file except in compliance with the License.
; You may obtain a copy of the License at
;
; http://www.apache.org/licenses/LICENSE-2.0
;
; Unless required by applicable law or agreed to in writing, software
; distributed under the License is distributed on an "AS IS" BASIS,
; WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
; See the License for the specific language governing permissions and
; limitations under the License.
;
;> MyErrors
MaxDiscErr * 2_00111111
ExternalErrorBit bit 30
DiscErrorBit bit 31
ScsiFsModuleNum * (&100 + fsnumber_SCSIFS)
MACRO
$num err $name,$str
ASSERT &$num>0 ;word aligned 0 byte marks entry end
ASSERT &$num<&100
$name.Err * &$num
MEND
MACRO
$num error $name,$str
ASSERT &$num>0 ;word aligned 0 byte marks entry end
ASSERT &$num<&100
$name.Err * &$num
$name.ErrBlk
& &$num :OR: (ScsiFsModuleNum :SHL: 8)
= "$str",0
% (4-(.-org):MOD:4):MOD:4 ;align with zeroes
MEND
;ErrorTable
IntEscapeErr * &80
;11 error ExtEscape,Escape
;92 ABORTED
;93 WONT
;94 BAD PARMS
;;95 error TooManyDefects,Too many defects
;96 error CantDelCsd,Can't delete current directory
;97 error CantDelLib,Can't delete library
;98 error CompactReq,Compaction required
;99 error MapFull,Free space map full
;9A error BadDisc,Bad disc ;not ADFS format
;9B error TooManyDiscs,Too many discs
;9D error BadUp,Illegal use of ^
;9E error AmbigDisc,Ambiguous disc name
;9F error NotRefDisc,Not same disc
;A0 error FilecoreInUse,Filecore in use
A1 err BadParms,Bad parameters
;A2 error CantDelUrd,Can't delete user root directory
;A5 error Buffer,No room for buffer
;A6 error Workspace,ADFS Workspace corrupt
;A7 error MultipleClose,Multiple file closing errors
;A8 error BrokenDir,Broken directory
;A9 error BadFsMap,Bad free space map
;AA BAD CHECKSUM
;AB error BadDefectList,Bad defect list
AC error BadDrive,Bad drive
;AD error Size,Sizes don't match ;BACKUP