Kernel version 0.8 : Fixed a bug in DRV relocation

This commit is contained in:
Rémy GIBERT 2016-10-04 18:01:07 +02:00
parent 6fe1beb1ae
commit 728278c196
11 changed files with 111 additions and 113 deletions

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@ -36,9 +36,7 @@ CS.START cld
L.MSG.DETECT .DA MSG.DETECT
.DA 0 End Of Reloc Table
*--------------------------------------
Dev.Detect >DEBUG
>LDYA L.MSG.DETECT
Dev.Detect >LDYA L.MSG.DETECT
>SYSCALL SYS.PStrOutYA
clc

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@ -134,7 +134,7 @@ H.BIN.CODE.LEN .EQ 8
H.BIN.EXE.DS.SIZE .EQ 10
H.BIN.EXE.REL.TABLE .EQ 16
*
H.BIN.DRV.DEVCTRLBLK.O .EQ 10
H.BIN.DRV.HEADER.O .EQ 10
H.BIN.DRV.CODE.O .EQ 12
H.BIN.DRV.CODE.LEN .EQ 14
H.BIN.DRV.REL.TABLE .EQ 0
@ -266,7 +266,7 @@ TSKMGR.ERRNSP .EQ $DD No Such Process Error
*--------------------------------------
SYSMGR.ERRSYN .EQ $CF Syntax Error
SYSMGR.ERRENVF .EQ $CE Env is Full
SYSMGR.ERRIBIN .EQ $CD Invalid BIN format
SYSMGR.ERRFTB .EQ $CC File Too Big Error
SYSMGR.ERRFNF .EQ $CB File Not Found Error
*--------------------------------------

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@ -71,6 +71,7 @@ K.LoadEXEYA.1 >PUSHWI KrnBuf256
jsr BIN.SetupCodeEndPtr2
jsr BIN.RelocateEXE
bcs .98
>LDYA K.LoadEXEYA.Filename get back bin path
>SYSCALL SYS.NewPStrYA make a copy of this string
@ -106,13 +107,28 @@ K.LoadEXEYA.Filename .BS 2
K.LoadEXEYA.hMem .BS 1
*--------------------------------------
* BIN.InstallDRV
* pDrv = .DRV File Loaded Address
* In:
* pDrv = .DRV File Loaded Address
* Note:
* K.LoadEXEYA called from K.LoadDrvYA
* Already setup correctly pDrv,
* BIN.Relocate.Start,End
*--------------------------------------
BIN.InstallDRV ldy #H.BIN.DRV.CODE.O
BIN.InstallDRV lda DevMgr.Free Offset = Target DRV address-AUXTYPE
sec
sbc BIN.Relocate.Start
sta BIN.Relocate.Offset
lda DevMgr.Free+1
sbc BIN.Relocate.Start+1
sta BIN.Relocate.Offset+1
ldy #H.BIN.DRV.CODE.O
lda (pDrv),y
clc
adc BIN.Relocate.Start Advance start From Bin code to DRV code
sta BIN.Relocate.Start
iny
lda (pDrv),y
adc BIN.Relocate.Start+1
@ -133,127 +149,71 @@ BIN.InstallDRV ldy #H.BIN.DRV.CODE.O
sta BIN.InstallDRV.DRVEnd
tay Save DRVEnd LO
lda DevMgr.Free+1
sta ZPQuickPtr3+1 save it for DrvMove
adc BIN.InstallDRV.DRVLen+1 A = DRVEnd HI
sta BIN.InstallDRV.DRVEnd+1
bcs .98 we crossed $FFFF, out of mem
bcs .9 we crossed $FFFF, out of mem
cpy #DevMgr.HiMem
sbc /DevMgr.HiMem
bcs .98 No More Room to load Driver....
bcs .9 No More Room to load Driver....
lda DevMgr.LastDevID
inc
cmp #K.DEV.MAX
beq .99 No Device Handle Left
bne .10 No Device Handle Left
sta DevMgr.LastDevID
ldy #H.BIN.DRV.DEVCTRLBLK.O
lda (pDrv),y
clc
adc pDrv
sta ZPQuickPtr1
iny
lda (pDrv),y
adc pDrv+1
sta ZPQuickPtr1+1
ldy #S.DEV.JMP
lda DevMgr.Free
lda #DEVMGR.ERROOH
sec
sbc (ZPQuickPtr1),y
sta BIN.Relocate.Offset
lda DevMgr.Free+1
iny
sbc (ZPQuickPtr1),y
sta BIN.Relocate.Offset+1
ldy #H.BIN.DRV.CODE.O
lda (pDrv),y
clc
adc pDrv
sta ZPQuickPtr1
iny
lda (pDrv),y
adc pDrv+1
sta ZPQuickPtr1+1
ldy #H.BIN.DRV.CODE.LEN
jsr BIN.SetupCodeEndPtr2
jsr BIN.RelocateDRV
jsr BIN.MoveDRV
>LDYA BIN.InstallDRV.DrvEnd
>STYA DevMgr.Free
clc
rts
.98 lda #DEVMGR.ERROOM
rts
.9 lda #DEVMGR.ERROOM
sec
rts
.99 lda #DEVMGR.ERROOH
sec
rts
*--------------------------------------
BIN.MoveDRV ldy #H.BIN.DRV.DEVCTRLBLK.O
lda (pDrv),y
clc
adc pDrv
sta ZPQuickPtr1
iny
lda (pDrv),y
adc pDrv+1
sta ZPQuickPtr1+1
ldy #S.DEV.JMP Relocate Main JMP
lda (ZPQuickPtr1),y
clc
adc BIN.Relocate.Offset
sta (ZPQuickPtr1),y
iny
lda (ZPQuickPtr1),y
adc BIN.Relocate.Offset+1
sta (ZPQuickPtr1),y
.10 sta DevMgr.LastDevID
lda DevMgr.LastDevID
jsr K.GetDevByIDA
>STYA pDev
>STYA ZPQuickPtr2 setup Ptr2 to dest HEADER
ldy #S.DEV Make sure DevMgr.Table Ends with 0
lda #0
sta (pDev),y
ldy #H.BIN.DRV.HEADER.O
lda (pDrv),y
clc
adc pDrv
sta ZPQuickPtr1
iny
lda (pDrv),y
adc pDrv+1
sta ZPQuickPtr1+1 set Ptr1 to Src HEADER
ldy #S.DEV-1
dey
.1 lda (ZPQuickPtr1),y Copy DRV.Header
sta (pDev),y
.1 lda (ZPQuickPtr1),y copy header to DevMgr.Table
sta (ZPQuickPtr2),y
dey
bpl .1
ldy #S.DEV.JMP Setup Main JMP
lda DevMgr.Free
sta (ZPQuickPtr2),y
tax
iny
lda DevMgr.Free+1
sta (ZPQuickPtr2),y
lda DevMgr.LastDevID Save Dev.ID in the driver for SELECT
ldy #S.DEV.ID
sta (pDev),y
stx ZPQuickPtr2 set Ptr2 to Dest CODE
sta ZPQuickPtr2+1
ldy #H.BIN.DRV.CODE.O
ldy #H.BIN.DRV.CODE.O
lda (pDrv),y
clc
adc pDrv
sta ZPQuickPtr1
iny
iny
lda (pDrv),y
adc pDrv+1
sta ZPQuickPtr1+1 Make ZPQuickPtr1=DRV.CODE
>LDYA DevMgr.Free
>STYA ZPQuickPtr2 Make ZPQuickPtr1=Dest location in LC
sta ZPQuickPtr1+1 set Ptr1 to Src CODE
lda BIN.InstallDRV.DrvLen+1
eor #$ff
pha
@ -263,11 +223,11 @@ BIN.MoveDRV ldy #H.BIN.DRV.DEVCTRLBLK.O
ldy #0
.2 inx
.2 inx Move CODE in LC
bne .3
pla
dec
beq .8
inc
beq .4
pha
.3 lda (ZPQuickPtr1),y
@ -276,9 +236,27 @@ BIN.MoveDRV ldy #H.BIN.DRV.DEVCTRLBLK.O
bne .2
inc ZPQuickPtr1+1
inc ZPQuickPtr2+1
bra .2
bra .2
.4 ldy #H.BIN.DRV.CODE.LEN
lda DevMgr.Free Make Ptr1 = code start
sta ZPQuickPtr1
clc
adc (pDrv),y
sta ZPQuickPtr2
.8 rts
iny
lda DevMgr.Free+1
sta ZPQuickPtr1+1
adc (pDrv),y
sta ZPQuickPtr2+1 Make ZPQuickPtr2 = ZPQuickPtr1 + CodeLen
jsr BIN.RelocateDRV
>LDYA BIN.InstallDRV.DrvEnd
>STYA DevMgr.Free
clc
rts
*--------------------------------------
BIN.InstallDRV.DrvLen .BS 2
BIN.InstallDRV.DrvEnd .BS 2
@ -306,9 +284,15 @@ BIN.Relocate.Offset .BS 2
BIN.RelocateEXE ldy #H.BIN.HEADER+1
lda (ZPQuickPtr1),y
cmp /H.BIN.HEADER.BIN65
bne *
beq .1
cmp /H.BIN.HEADER.DRV65
beq .1
ldy #H.BIN.JMP relocate Main JMP
lda #SYSMGR.ERRIBIN
sec
rts
.1 ldy #H.BIN.JMP relocate Main JMP
lda (ZPQuickPtr1),y
clc
adc BIN.Relocate.Offset

14
SYS/KERNEL.S.DAT.txt Normal file
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@ -0,0 +1,14 @@
PR#3
PREFIX /A2OSX.SRC
NEW
INC 1
AUTO 6
.LIST OFF
*--------------------------------------
ENV.DRV >PSTRING "DRV"
ENV.LIB >PSTRING "LIB"
*--------------------------------------
MAN
SAVE SYS/KERNEL.S.DAT
LOAD SYS/KERNEL.S
ASM

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@ -42,10 +42,11 @@ K.LoadDrvYA >STYA K.LoadDrv.CmdArray
inc ZPQuickPtr1+1
.1 >LDYA ZPQuickPtr1
jsr pDrvJmp call Dev.Detect
bcs .97
jsr BIN.InstallDRV
bcs .97
@ -73,7 +74,6 @@ K.LoadDrvYA >STYA K.LoadDrv.CmdArray
sec
rts
*--------------------------------------
ENV.DRV >PSTRING "DRV"
K.LoadDrv.CmdArray .BS 2
K.LoadDrv.hFullName .BS 1
K.LoadDrv.hMem .BS 1

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@ -13,8 +13,7 @@ AUTO 6
* Y,A = PSTR to FilePath (PSTRING)
* X = hMem to FilePath
*--------------------------------------
K.FileSearch >DEBUG
>PULLW ZPQuickPtr4 ZPQuickPtr1 trashed by ExpandPStrYA
K.FileSearch >PULLW ZPQuickPtr4 ZPQuickPtr1 trashed by ExpandPStrYA
>PULLYA Get Search list
>SYSCALL SYS.ExpandPStrYA Expand it (SYSCALL to BNK1)
bcs .99
@ -66,13 +65,13 @@ K.FileSearch >DEBUG
jsr K.FreeMemA
>LDYAI KrnBuf256
>SYSCALL SYS.NewPStrYA
rts
.99 rts
.98 lda K.FileSearch.hSrch Discard Expanded hSrch list
jsr K.FreeMemA
lda #SYSMGR.ERRFNF
sec
.99 rts
rts
*--------------------------------------
K.FileSearch.hSrch .BS 1
K.FileSearch.Index .BS 1

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@ -16,6 +16,9 @@ Kernel.Init3 jsr K.DevMgrInit
ldx #DEVMGR.SELECT
jsr pDevJmp
lda #2
sta A2osX.ASCREEN
>LDYAI MSG.Init3
>SYSCALL SYS.PStrOutYA

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@ -89,7 +89,6 @@ K.UnloadLibA pha
pla
jmp K.FreeMemA
*--------------------------------------
ENV.LIB >PSTRING "LIB"
MAN
SAVE SYS/KERNEL.S.LIB
LOAD SYS/KERNEL.S

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@ -94,6 +94,7 @@ A2osX.D002.END .EQ *
A2osX.E000 .EQ *
.PH $E000
.INB SYS/KERNEL.S.JMP
.INB SYS/KERNEL.S.DAT
.INB SYS/KERNEL.S.IRQ
.INB SYS/KERNEL.S.MEM
*--------------------------------------