Kernel version 0.8 : Fixed a bug in DRV relocation

DRV/CONSOLE.DRV.S.txt

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

INC/A2osX.I.txt

@@ -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
 *--------------------------------------

SYS/KERNEL.S.BIN.txt

@@ -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
@@ -133,115 +149,62 @@ 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
+				lda #DEVMGR.ERROOH
-				
-				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
-				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
 				sec
 				rts				
 								
-.99				lda #DEVMGR.ERROOH
+.9				lda #DEVMGR.ERROOM
 				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
+.10				sta DevMgr.LastDevID
-				lda (ZPQuickPtr1),y
-				clc
-				adc BIN.Relocate.Offset
-				sta (ZPQuickPtr1),y
-				iny
-				lda (ZPQuickPtr1),y
-				adc BIN.Relocate.Offset+1
-				sta (ZPQuickPtr1),y
 				
-				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
+				ldy	#H.BIN.DRV.HEADER.O
-				lda #0
+				lda (pDrv),y
-				sta (pDev),y
+				clc
+				adc pDrv
+				sta ZPQuickPtr1
+				iny
+				lda (pDrv),y
+				adc pDrv+1
+				sta ZPQuickPtr1+1		set Ptr1 to Src HEADER
 
-				dey
+				ldy #S.DEV-1
 				
-.1				lda (ZPQuickPtr1),y		Copy DRV.Header
+.1				lda (ZPQuickPtr1),y		copy header to DevMgr.Table
-				sta (pDev),y
+				sta (ZPQuickPtr2),y
 				dey
 				bpl .1
 			
-				lda DevMgr.LastDevID	Save Dev.ID in the driver for SELECT
+				ldy #S.DEV.JMP			Setup Main JMP
-				ldy #S.DEV.ID
+				lda DevMgr.Free
-				sta (pDev),y
+				sta (ZPQuickPtr2),y
+				tax
+				iny
+				lda DevMgr.Free+1
+				sta (ZPQuickPtr2),y
 				
-				ldy #H.BIN.DRV.CODE.O
+				stx ZPQuickPtr2			set Ptr2 to Dest CODE
+				sta ZPQuickPtr2+1
+				
+				ldy	#H.BIN.DRV.CODE.O
 				lda (pDrv),y
 				clc
 				adc pDrv
@@ -249,10 +212,7 @@ BIN.MoveDRV		ldy	#H.BIN.DRV.DEVCTRLBLK.O
 				iny
 				lda (pDrv),y
 				adc pDrv+1
-				sta ZPQuickPtr1+1		Make ZPQuickPtr1=DRV.CODE
+				sta ZPQuickPtr1+1		set Ptr1 to Src CODE
-				
-				>LDYA DevMgr.Free
-				>STYA ZPQuickPtr2		Make ZPQuickPtr1=Dest location in LC
 
 				lda BIN.InstallDRV.DrvLen+1
 				eor #$ff
@@ -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
+				inc
-				beq .8
+				beq .4
 				pha
 				
 .3				lda (ZPQuickPtr1),y
@@ -278,7 +238,25 @@ BIN.MoveDRV		ldy	#H.BIN.DRV.DEVCTRLBLK.O
 				inc ZPQuickPtr2+1
 				bra .2				
 							
-.8				rts
+.4				ldy #H.BIN.DRV.CODE.LEN
+				lda DevMgr.Free					Make Ptr1 = code start
+				sta ZPQuickPtr1
+				clc
+				adc (pDrv),y
+				sta ZPQuickPtr2
+				
+				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

SYS/KERNEL.S.DAT.txt

@@ -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

SYS/KERNEL.S.DRV.txt

@@ -42,6 +42,7 @@ K.LoadDrvYA		>STYA K.LoadDrv.CmdArray
 				inc ZPQuickPtr1+1
 				
 .1				>LDYA ZPQuickPtr1
+
 				jsr pDrvJmp				call Dev.Detect
 
 				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

SYS/KERNEL.S.FIO.txt

@@ -13,8 +13,7 @@ AUTO 6
 *   Y,A = PSTR to FilePath (PSTRING)
 *   X = hMem to FilePath
 *--------------------------------------
-K.FileSearch	>DEBUG
+K.FileSearch	>PULLW ZPQuickPtr4			ZPQuickPtr1 trashed by ExpandPStrYA
-				>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

SYS/KERNEL.S.INIT3.txt

@@ -17,6 +17,9 @@ Kernel.Init3	jsr K.DevMgrInit
 				ldx #DEVMGR.SELECT
 				jsr pDevJmp
 				
+				lda #2
+				sta A2osX.ASCREEN
+
 				>LDYAI MSG.Init3
 				>SYSCALL SYS.PStrOutYA
 				

SYS/KERNEL.S.LIB.txt

@@ -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

SYS/KERNEL.S.txt

@@ -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
 *--------------------------------------