--- BasiliskII/src/AmigaOS/asm_support.asm 2001/01/25 22:24:36 1.8 +++ BasiliskII/src/AmigaOS/asm_support.asm 2002/06/23 08:27:05 1.13 @@ -1,7 +1,7 @@ * * asm_support.asm - AmigaOS utility functions in assembly language * -* Basilisk II (C) 1997-1999 Christian Bauer +* Basilisk II (C) 1997-2001 Christian Bauer * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -25,6 +25,8 @@ INCLUDE "dos/dos.i" INCLUDE "devices/timer.i" + INCLUDE "asmsupp.i" + XDEF _AtomicAnd XDEF _AtomicOr XDEF _MoveVBR @@ -33,9 +35,6 @@ XDEF _Execute68kTrap XDEF _TrapHandlerAsm XDEF _ExceptionHandlerAsm - XDEF _Scod060Patch1 - XDEF _Scod060Patch2 - XDEF _ThInitFPUPatch XDEF _AsmTriggerNMI XREF _OldTrapHandler @@ -49,10 +48,16 @@ XREF _SysBase XREF _quit_emulator +INFO_LEVEL equ 0 + SECTION text,CODE MACHINE 68020 + IFGE INFO_LEVEL +subSysName: dc.b '+',0 + ENDIF + * * Atomic bit operations (don't trust the compiler) * @@ -244,115 +249,124 @@ _ExceptionHandlerAsm rts * -* Process Manager 68060 FPU patches -* - -_Scod060Patch1 fsave -(sp) ;Save FPU state - tst.b 2(sp) ;Null? - beq.s 1$ - fmovem.x fp0-fp7,-(sp) ;No, save FPU registers - fmove.l fpiar,-(sp) - fmove.l fpsr,-(sp) - fmove.l fpcr,-(sp) - pea -1 ;Push "FPU state saved" flag -1$ move.l d1,-(sp) - move.l d0,-(sp) - bsr.s 3$ ;Switch integer registers and stack - addq.l #8,sp - tst.b 2(sp) ;New FPU state null or "FPU state saved" flag set? - beq.s 2$ - addq.l #4,sp ;Flag set, skip it - fmove.l (sp)+,fpcr ;Restore FPU registers and state - fmove.l (sp)+,fpsr - fmove.l (sp)+,fpiar - fmovem.x (sp)+,fp0-fp7 -2$ frestore (sp)+ - movem.l (sp)+,d0-d1 - rts - -3$ move.l 4(sp),a0 ;Switch integer registers and stack - move sr,-(sp) - movem.l d2-d7/a2-a6,-(sp) - cmp.w #0,a0 - beq.s 4$ - move.l sp,(a0) -4$ move.l $36(sp),a0 - movem.l (a0)+,d2-d7/a2-a6 - move (a0)+,sr - move.l a0,sp - rts - -_Scod060Patch2 move.l d0,-(sp) ;Create 68060 null frame on stack - move.l d0,-(sp) - move.l d0,-(sp) - frestore (sp)+ ;and load it - rts - -* -* Thread Manager 68060 FPU patches -* - -_ThInitFPUPatch tst.b $40(a4) - bne.s 1$ - moveq #0,d0 ;Create 68060 null frame on stack - move.l d0,-(a3) - move.l d0,-(a3) - move.l d0,-(a3) -1$ rts - -* * Trap handler of main task * _TrapHandlerAsm: + IFEQ INFO_LEVEL-1002 + move.w ([6,a0]),-(sp) + move.w #0,-(sp) + move.l (4+6,a0),-(sp) + PUTMSG 0,'%s/TrapHandlerAsm: addr=%08lx opcode=%04lx' + lea (2*4,sp),sp + ENDC + cmp.l #4,(sp) ;Illegal instruction? beq.s doillinstr cmp.l #10,(sp) ;A-Line exception? beq.s doaline cmp.l #8,(sp) ;Privilege violation? beq.s doprivviol + cmp.l #9,(sp) ;Trace? beq dotrace cmp.l #3,(sp) ;Illegal Address? beq.s doilladdr + cmp.l #11,(sp) ;F-Line exception + beq.s dofline cmp.l #32,(sp) blt 1$ cmp.l #47,(sp) ble doTrapXX ; Vector 32-47 : TRAP #0 - 15 Instruction Vectors -1$ move.l _OldTrapHandler,-(sp) ;No, jump to old trap handler +1$: + cmp.l #48,(sp) + blt 2$ + cmp.l #55,(sp) + ble doTrapFPU +2$: + IFEQ INFO_LEVEL-1009 + PUTMSG 0,'%s/TrapHandlerAsm: stack=%08lx %08lx %08lx %08lx' + ENDC + + move.l _OldTrapHandler,-(sp) ;No, jump to old trap handler rts * * TRAP #0 - 15 Instruction Vectors * -doTrapXX move.l a0,(sp) ;Save a0 +doTrapXX: + IFEQ INFO_LEVEL-1009 + PUTMSG 0,'%s/doTrapXX: stack=%08lx %08lx %08lx %08lx' + ENDC + + movem.l a0/d0,-(sp) ;Save a0,d0 + move.l (2*4,sp),d0 ;vector number 32-47 + move.l usp,a0 ;Get user stack pointer - move.l 2*4(sp),-(a0) ;Copy 4-word stack frame to user stack - move.l 1*4(sp),-(a0) + move.l (4*4,sp),-(a0) ;Copy 4-word stack frame to user stack + move.l (3*4,sp),-(a0) move.l a0,usp ;Update USP - move.l (sp)+,a0 ;Restore a0 + or.w #$2000,(a0) ;set Supervisor bit in SR + lsl.l #2,d0 ;convert vector number to vector offset + move.l d0,a0 + move.l (a0),d0 ;get mac trap vector + + move.l usp,a0 ;Get user stack pointer + move.l d0,-(a0) ;store vector offset as return address + move.l a0,usp ;Update USP + + movem.l (sp)+,a0/d0 ;Restore a0,d0 addq.l #4*2,sp ;Remove exception frame from supervisor stack - andi #$d8ff,sr ;Switch to user mode, enable interrupts - move.l $2d*4.w,-(sp) ;Jump to MacOS exception handler + andi #$d8ff,sr ;Switch to user mode, enable interrupts rts * +* FPU Exception Instruction Vectors +* + +doTrapFPU: + move.l d0,(sp) + fmove.l fpcr,d0 + and.w #$00ff,d0 ;disable FPU exceptions + fmove.l d0,fpcr + move.l (sp)+,d0 ;Restore d0 + rte + + +* * trace Vector * -dotrace move.l a0,(sp) ;Save a0 +dotrace + IFEQ INFO_LEVEL-1009 + PUTMSG 0,'%s/dotrace: stack=%08lx %08lx %08lx %08lx' + ENDC + move.l a0,(sp) ;Save a0 move.l usp,a0 ;Get user stack pointer + + IFEQ INFO_LEVEL-1009 + move.l (12,a0),-(sp) + move.l (8,a0),-(sp) + move.l (4,a0),-(sp) + move.l (0,a0),-(sp) + move.l a0,-(sp) + move.l a7,-(sp) + PUTMSG 0,'%s/dotrace: sp=%08lx usp=%08lx (%08lx %08lx %08lx %08lx)' + lea (6*4,sp),sp + ENDC + move.l 3*4(sp),-(a0) ;Copy 6-word stack frame to user stack move.l 2*4(sp),-(a0) move.l 1*4(sp),-(a0) move.l a0,usp ;Update USP + or.w #$2000,(a0) ;set Supervisor bit in SR move.l (sp)+,a0 ;Restore a0 lea 6*2(sp),sp ;Remove exception frame from supervisor stack @@ -371,25 +385,55 @@ doaline move.l a0,(sp) ;Save a0 move.l 8(sp),-(a0) ;Copy stack frame to user stack move.l 4(sp),-(a0) move.l a0,usp ;Update USP + + or.w #$2000,(a0) ;set Supervisor bit in SR move.l (sp)+,a0 ;Restore a0 addq.l #8,sp ;Remove exception frame from supervisor stack andi #$d8ff,sr ;Switch to user mode, enable interrupts + and.w #$f8ff,_EmulatedSR ;enable interrupts in EmulatedSR + move.l $28.w,-(sp) ;Jump to MacOS exception handler rts * +* F-Line handler: call F-Line exception handler +* + +dofline move.l a0,(sp) ;Save a0 + move.l usp,a0 ;Get user stack pointer + move.l 8(sp),-(a0) ;Copy stack frame to user stack + move.l 4(sp),-(a0) + move.l a0,usp ;Update USP + or.w #$2000,(a0) ;set Supervisor bit in SR + move.l (sp)+,a0 ;Restore a0 + + addq.l #8,sp ;Remove exception frame from supervisor stack + andi #$d8ff,sr ;Switch to user mode, enable interrupts + + and.w #$f8ff,_EmulatedSR ;enable interrupts in EmulatedSR + + move.l $2c.w,-(sp) ;Jump to MacOS exception handler + rts + +* * Illegal address handler * -doilladdr move.l a0,(sp) ;Save a0 +doilladdr: + IFEQ INFO_LEVEL-1009 + PUTMSG 0,'%s/doilladdr: stack=%08lx %08lx %08lx %08lx' + ENDC + + move.l a0,(sp) ;Save a0 move.l usp,a0 ;Get user stack pointer move.l 3*4(sp),-(a0) ;Copy 6-word stack frame to user stack move.l 2*4(sp),-(a0) move.l 1*4(sp),-(a0) move.l a0,usp ;Update USP + or.w #$2000,(a0) ;set Supervisor bit in SR move.l (sp)+,a0 ;Restore a0 lea 6*2(sp),sp ;Remove exception frame from supervisor stack @@ -408,6 +452,12 @@ doillinstr movem.l a0/d0,-(sp) move.w ([6+2*4,sp]),d0 and.w #$ff00,d0 cmp.w #$7100,d0 + + IFEQ INFO_LEVEL-1009 + move.l d0,-(sp) + PUTMSG 0,'%s/doillinst: d0=%08lx stack=%08lx %08lx %08lx %08lx' + lea (1*4,sp),sp + ENDC movem.l (sp)+,a0/d0 beq 1$ @@ -416,6 +466,7 @@ doillinstr movem.l a0/d0,-(sp) move.l 8(sp),-(a0) ;Copy stack frame to user stack move.l 4(sp),-(a0) move.l a0,usp ;Update USP + or.w #$2000,(a0) ;set Supervisor bit in SR move.l (sp)+,a0 ;Restore a0 add.w #3*4,sp ;Remove exception frame from supervisor stack @@ -424,7 +475,8 @@ doillinstr movem.l a0/d0,-(sp) move.l $10.w,-(sp) ;Jump to MacOS exception handler rts -1$ move.l a6,(sp) ;Save a6 +1$: + move.l a6,(sp) ;Save a6 move.l usp,a6 ;Get user stack pointer move.l a6,-10(a6) ;Push USP (a7) @@ -454,6 +506,13 @@ doillinstr movem.l a0/d0,-(sp) doprivviol move.l d0,(sp) ;Save d0 move.w ([6,sp]),d0 ;Get instruction word + IFEQ INFO_LEVEL-1001 + move.w ([6,a0]),-(sp) + move.w #0,-(sp) + PUTMSG 0,'%s/doprivviol: opcode=%04lx' + lea (1*4,sp),sp + ENDC + cmp.w #$40e7,d0 ;move sr,-(sp)? beq pushsr cmp.w #$46df,d0 ;move (sp)+,sr? @@ -578,6 +637,12 @@ pushsr move.l a0,-(sp) ;Save a0 move.l (sp)+,a0 ;Restore a0 move.l (sp)+,d0 ;Restore d0 addq.l #2,2(sp) ;Skip instruction + + IFEQ INFO_LEVEL-1001 + move.l (4),-(sp) + PUTMSG 0,'%s/doprivviol END: Execbase=%08lx' + lea (1*4,sp),sp + ENDC rte ; move (sp)+,sr @@ -604,6 +669,12 @@ popsr move.l a0,-(sp) ;Save a0 move.l (sp)+,a0 ;Restore a0 move.l (sp)+,d0 ;Restore d0 addq.l #2,2(sp) ;Skip instruction + + IFEQ INFO_LEVEL-1001 + move.l (4),-(sp) + PUTMSG 0,'%s/doprivviol END: Execbase=%08lx' + lea (1*4,sp),sp + ENDC rte ; ori #xxxx,sr @@ -616,6 +687,12 @@ orisr move.w 4(sp),d0 ;Get CCR from st move.w d0,_EmulatedSR ;And save them move.l (sp)+,d0 ;Restore d0 addq.l #4,2(sp) ;Skip instruction + + IFEQ INFO_LEVEL-1001 + move.l (4),-(sp) + PUTMSG 0,'%s/doprivviol END: Execbase=%08lx' + lea (1*4,sp),sp + ENDC rte ; andi #xxxx,sr @@ -639,6 +716,12 @@ storesr4 move.w d0,4(sp) ;Store into CC movem.l (sp)+,d0-d1/a0-a1/a6 1$ move.l (sp)+,d0 ;Restore d0 addq.l #4,2(sp) ;Skip instruction + + IFEQ INFO_LEVEL-1001 + move.l (4),-(sp) + PUTMSG 0,'%s/doprivviol END: Execbase=%08lx' + lea (1*4,sp),sp + ENDC rte ; move #xxxx,sr @@ -670,6 +753,12 @@ movefromsrabs move.l a0,-(sp) ;Save a0 move.l (sp)+,a0 ;Restore a0 move.l (sp)+,d0 ;Restore d0 addq.l #4,2(sp) ;Skip instruction + + IFEQ INFO_LEVEL-1001 + move.l (4),-(sp) + PUTMSG 0,'%s/doprivviol END: Execbase=%08lx' + lea (1*4,sp),sp + ENDC rte ; move sr,(a0) @@ -678,6 +767,12 @@ movefromsra0 move.w 4(sp),d0 ;Get CCR move.w d0,(a0) ;Store SR move.l (sp)+,d0 ;Restore d0 addq.l #2,2(sp) ;Skip instruction + + IFEQ INFO_LEVEL-1001 + move.l (4),-(sp) + PUTMSG 0,'%s/doprivviol END: Execbase=%08lx' + lea (1*4,sp),sp + ENDC rte ; move sr,(sp) @@ -689,46 +784,73 @@ movefromsrsp move.l a0,-(sp) ;Save a0 move.l (sp)+,a0 ;Restore a0 move.l (sp)+,d0 ;Restore d0 addq.l #2,2(sp) ;Skip instruction + + IFEQ INFO_LEVEL-1001 + move.l (4),-(sp) + PUTMSG 0,'%s/doprivviol END: Execbase=%08lx' + lea (1*4,sp),sp + ENDC rte ; fsave -(sp) fsavepush move.l (sp),d0 ;Restore d0 move.l a0,(sp) ;Save a0 move.l usp,a0 ;Get user stack pointer - fsave -(a0) ;Push FP state + move.l #$41000000,-(a0) ;Push idle frame move.l a0,usp ;Update USP move.l (sp)+,a0 ;Restore a0 addq.l #2,2(sp) ;Skip instruction + + IFEQ INFO_LEVEL-1001 + move.l (4),-(sp) + PUTMSG 0,'%s/doprivviol END: Execbase=%08lx' + lea (1*4,sp),sp + ENDC + rte + +; fsave xxx(a5) +fsavea5 move.l (sp),d0 ;Restore d0 + move.l a0,(sp) ;Save a0 + move.l a5,a0 ;Get base register + add.w ([6,sp],2),a0 ;Add offset to base register + move.l #$41000000,(a0) ;Push idle frame + move.l (sp)+,a0 ;Restore a0 + addq.l #4,2(sp) ;Skip instruction + + IFEQ INFO_LEVEL-1001 + move.l (4),-(sp) + PUTMSG 0,'%s/doprivviol END: Execbase=%08lx' + lea (1*4,sp),sp + ENDC rte ; frestore (sp)+ frestorepop move.l (sp),d0 ;Restore d0 move.l a0,(sp) ;Save a0 move.l usp,a0 ;Get user stack pointer - frestore (a0)+ ;Restore FP state + addq.l #4,a0 ;Nothing to do... move.l a0,usp ;Update USP move.l (sp)+,a0 ;Restore a0 addq.l #2,2(sp) ;Skip instruction + + IFEQ INFO_LEVEL-1001 + move.l (4),-(sp) + PUTMSG 0,'%s/doprivviol END: Execbase=%08lx' + lea (1*4,sp),sp + ENDC rte -; frestore xxx(a5) +jl+ +; frestore xxx(a5) frestorea5 move.l (sp),d0 ;Restore d0 move.l a0,(sp) ;Save a0 - move.l a5,a0 ;Get base register - add.w ([6,sp],2),a0 ;Add offset to base register - frestore (a0) ;Restore FP state from (a0) move.l (sp)+,a0 ;Restore a0 addq.l #4,2(sp) ;Skip instruction - rte -; fsave xxx(a5) +jl+ -fsavea5 move.l (sp),d0 ;Restore d0 - move.l a0,(sp) ;Save a0 - move.l a5,a0 ;Get base register - add.w ([6,sp],2),a0 ;Add offset to base register - fsave (a0) ;Push FP state to (a0) - move.l (sp)+,a0 ;Restore a0 - addq.l #4,2(sp) ;Skip instruction + IFEQ INFO_LEVEL-1001 + move.l (4),-(sp) + PUTMSG 0,'%s/doprivviol END: Execbase=%08lx' + lea (1*4,sp),sp + ENDC rte ; rte @@ -757,6 +879,12 @@ pvrte movem.l a0/a1,-(sp) ;Save a0 and move.l a0,usp ;Update USP movem.l (sp)+,a0/a1 ;Restore a0 and a1 move.l (sp)+,d0 ;Restore d0 + + IFEQ INFO_LEVEL-1001 + move.l (4),-(sp) + PUTMSG 0,'%s/doprivviol END: Execbase=%08lx' + lea (1*4,sp),sp + ENDC rte ; sizes of exceptions stack frames @@ -784,6 +912,12 @@ movefromsrd0 addq.l #4,sp ;Skip saved move.w (sp),d0 ;Get CCR or.w _EmulatedSR,d0 ;Add emulated supervisor bits addq.l #2,2(sp) ;Skip instruction + + IFEQ INFO_LEVEL-1001 + move.l (4),-(sp) + PUTMSG 0,'%s/doprivviol END: Execbase=%08lx' + lea (1*4,sp),sp + ENDC rte movefromsrd1 move.l (sp)+,d0 @@ -791,6 +925,12 @@ movefromsrd1 move.l (sp)+,d0 move.w (sp),d1 or.w _EmulatedSR,d1 addq.l #2,2(sp) + + IFEQ INFO_LEVEL-1001 + move.l (4),-(sp) + PUTMSG 0,'%s/doprivviol END: Execbase=%08lx' + lea (1*4,sp),sp + ENDC rte movefromsrd2 move.l (sp)+,d0 @@ -798,6 +938,12 @@ movefromsrd2 move.l (sp)+,d0 move.w (sp),d2 or.w _EmulatedSR,d2 addq.l #2,2(sp) + + IFEQ INFO_LEVEL-1001 + move.l (4),-(sp) + PUTMSG 0,'%s/doprivviol END: Execbase=%08lx' + lea (1*4,sp),sp + ENDC rte movefromsrd3 move.l (sp)+,d0 @@ -805,6 +951,12 @@ movefromsrd3 move.l (sp)+,d0 move.w (sp),d3 or.w _EmulatedSR,d3 addq.l #2,2(sp) + + IFEQ INFO_LEVEL-1001 + move.l (4),-(sp) + PUTMSG 0,'%s/doprivviol END: Execbase=%08lx' + lea (1*4,sp),sp + ENDC rte movefromsrd4 move.l (sp)+,d0 @@ -812,6 +964,12 @@ movefromsrd4 move.l (sp)+,d0 move.w (sp),d4 or.w _EmulatedSR,d4 addq.l #2,2(sp) + + IFEQ INFO_LEVEL-1001 + move.l (4),-(sp) + PUTMSG 0,'%s/doprivviol END: Execbase=%08lx' + lea (1*4,sp),sp + ENDC rte movefromsrd5 move.l (sp)+,d0 @@ -819,6 +977,12 @@ movefromsrd5 move.l (sp)+,d0 move.w (sp),d5 or.w _EmulatedSR,d5 addq.l #2,2(sp) + + IFEQ INFO_LEVEL-1001 + move.l (4),-(sp) + PUTMSG 0,'%s/doprivviol END: Execbase=%08lx' + lea (1*4,sp),sp + ENDC rte movefromsrd6 move.l (sp)+,d0 @@ -826,6 +990,12 @@ movefromsrd6 move.l (sp)+,d0 move.w (sp),d6 or.w _EmulatedSR,d6 addq.l #2,2(sp) + + IFEQ INFO_LEVEL-1001 + move.l (4),-(sp) + PUTMSG 0,'%s/doprivviol END: Execbase=%08lx' + lea (1*4,sp),sp + ENDC rte movefromsrd7 move.l (sp)+,d0 @@ -833,6 +1003,12 @@ movefromsrd7 move.l (sp)+,d0 move.w (sp),d7 or.w _EmulatedSR,d7 addq.l #2,2(sp) + + IFEQ INFO_LEVEL-1001 + move.l (4),-(sp) + PUTMSG 0,'%s/doprivviol END: Execbase=%08lx' + lea (1*4,sp),sp + ENDC rte ; move dx,sr @@ -854,6 +1030,12 @@ storesr2 move.w d0,4(sp) movem.l (sp)+,d0-d1/a0-a1/a6 1$ move.l (sp)+,d0 addq.l #2,2(sp) + + IFEQ INFO_LEVEL-1001 + move.l (4),-(sp) + PUTMSG 0,'%s/doprivviol END: Execbase=%08lx' + lea (1*4,sp),sp + ENDC rte movetosrd1 move.l d1,d0 @@ -884,6 +1066,8 @@ movecfromcr move.w ([6,sp],2),d0 ;Get n beq.s movecvbra0 cmp.w #$9801,d0 ;movec vbr,a1? beq.s movecvbra1 + cmp.w #$A801,d0 ;movec vbr,a2? + beq.s movecvbra2 cmp.w #$1801,d0 ;movec vbr,d1? beq movecvbrd1 cmp.w #$0002,d0 ;movec cacr,d0? @@ -917,54 +1101,120 @@ movecfromcr move.w ([6,sp],2),d0 ;Get n moveccacrd0 move.l (sp)+,d0 move.l #$3111,d0 ;All caches and bursts on addq.l #4,2(sp) + + IFEQ INFO_LEVEL-1001 + move.l (4),-(sp) + PUTMSG 0,'%s/doprivviol END: Execbase=%08lx' + lea (1*4,sp),sp + ENDC rte ; movec cacr,d1 moveccacrd1 move.l (sp)+,d0 move.l #$3111,d1 ;All caches and bursts on addq.l #4,2(sp) + + IFEQ INFO_LEVEL-1001 + move.l (4),-(sp) + PUTMSG 0,'%s/doprivviol END: Execbase=%08lx' + lea (1*4,sp),sp + ENDC rte ; movec vbr,a0 movecvbra0 move.l (sp)+,d0 sub.l a0,a0 ;VBR always appears to be at 0 addq.l #4,2(sp) + + IFEQ INFO_LEVEL-1001 + move.l (4),-(sp) + PUTMSG 0,'%s/doprivviol END: Execbase=%08lx' + lea (1*4,sp),sp + ENDC rte ; movec vbr,a1 movecvbra1 move.l (sp)+,d0 sub.l a1,a1 ;VBR always appears to be at 0 addq.l #4,2(sp) + + IFEQ INFO_LEVEL-1001 + move.l (4),-(sp) + PUTMSG 0,'%s/doprivviol END: Execbase=%08lx' + lea (1*4,sp),sp + ENDC + rte + +; movec vbr,a2 +movecvbra2 move.l (sp)+,d0 + sub.l a2,a2 ;VBR always appears to be at 0 + addq.l #4,2(sp) + + IFEQ INFO_LEVEL-1001 + move.l (4),-(sp) + PUTMSG 0,'%s/doprivviol END: Execbase=%08lx' + lea (1*4,sp),sp + ENDC rte ; movec vbr,d1 movecvbrd1 move.l (sp)+,d0 moveq.l #0,d1 ;VBR always appears to be at 0 addq.l #4,2(sp) + + IFEQ INFO_LEVEL-1001 + move.l (4),-(sp) + PUTMSG 0,'%s/doprivviol END: Execbase=%08lx' + lea (1*4,sp),sp + ENDC rte ; movec tc,d0 movectcd0 addq.l #4,sp moveq #0,d0 ;MMU is always off addq.l #4,2(sp) + + IFEQ INFO_LEVEL-1001 + move.l (4),-(sp) + PUTMSG 0,'%s/doprivviol END: Execbase=%08lx' + lea (1*4,sp),sp + ENDC rte ; movec tc,d1 +jl+ movectcd1 move.l (sp)+,d0 ;Restore d0 moveq #0,d1 ;MMU is always off addq.l #4,2(sp) + + IFEQ INFO_LEVEL-1001 + move.l (4),-(sp) + PUTMSG 0,'%s/doprivviol END: Execbase=%08lx' + lea (1*4,sp),sp + ENDC rte ; movec sfc,d1 +jl+ movecsfcd1 move.l (sp)+,d0 ;Restore d0 moveq #0,d1 addq.l #4,2(sp) + + IFEQ INFO_LEVEL-1001 + move.l (4),-(sp) + PUTMSG 0,'%s/doprivviol END: Execbase=%08lx' + lea (1*4,sp),sp + ENDC rte ; movec dfc,d1 +jl+ movecdfcd1 move.l (sp)+,d0 ;Restore d0 moveq #0,d1 addq.l #4,2(sp) + + IFEQ INFO_LEVEL-1001 + move.l (4),-(sp) + PUTMSG 0,'%s/doprivviol END: Execbase=%08lx' + lea (1*4,sp),sp + ENDC rte movecurpd0 ; movec urp,d0 +jl+ @@ -976,6 +1226,12 @@ movecdtt1d0 ; movec dtt1,d0 addq.l #4,sp moveq.l #0,d0 ;MMU is always off addq.l #4,2(sp) ;skip instruction + + IFEQ INFO_LEVEL-1001 + move.l (4),-(sp) + PUTMSG 0,'%s/doprivviol END: Execbase=%08lx' + lea (1*4,sp),sp + ENDC rte ; movec x,cr @@ -985,6 +1241,8 @@ movectocr move.w ([6,sp],2),d0 ;Get nex beq.s movectovbr cmp.w #$1801,d0 ;movec d1,vbr? beq.s movectovbr + cmp.w #$A801,d0 ;movec a2,vbr? + beq.s movectovbr cmp.w #$0002,d0 ;movec d0,cacr? beq.s movectocacr cmp.w #$1002,d0 ;movec d1,cacr? @@ -999,6 +1257,12 @@ movectocr move.w ([6,sp],2),d0 ;Get nex ; movec x,vbr movectovbr move.l (sp)+,d0 ;Ignore moves to VBR addq.l #4,2(sp) + + IFEQ INFO_LEVEL-1001 + move.l (4),-(sp) + PUTMSG 0,'%s/doprivviol END: Execbase=%08lx' + lea (1*4,sp),sp + ENDC rte ; movec dx,cacr @@ -1008,17 +1272,36 @@ movectocacr movem.l d1/a0-a1/a6,-(sp) ;M movem.l (sp)+,d1/a0-a1/a6 move.l (sp)+,d0 addq.l #4,2(sp) + + IFEQ INFO_LEVEL-1001 + move.l (4),-(sp) + PUTMSG 0,'%s/doprivviol END: Execbase=%08lx' + lea (1*4,sp),sp + ENDC rte ; movec x,sfc ; movec x,dfc movectoxfc move.l (sp)+,d0 ;Ignore moves to SFC, DFC addq.l #4,2(sp) + + IFEQ INFO_LEVEL-1001 + move.l (4),-(sp) + PUTMSG 0,'%s/doprivviol END: Execbase=%08lx' + lea (1*4,sp),sp + ENDC rte ; cpusha cpushadc -cpushadcic movem.l d1/a0-a1/a6,-(sp) ;Clear caches +cpushadcic + IFEQ INFO_LEVEL-1003 + move.l (4),-(sp) + move.l d0,-(sp) + PUTMSG 0,'%s/cpushadc: opcode=%04lx Execbase=%08lx' + lea (2*4,sp),sp + ENDC + movem.l d1/a0-a1/a6,-(sp) ;Clear caches move.l _SysBase,a6 JSRLIB CacheClearU movem.l (sp)+,d1/a0-a1/a6 @@ -1030,18 +1313,40 @@ cpushadcic movem.l d1/a0-a1/a6,-(sp) ;Cl moveuspa1 move.l (sp)+,d0 move usp,a1 addq.l #2,2(sp) + + IFEQ INFO_LEVEL-1009 + move.l a1,-(sp) + move.l a7,-(sp) + PUTMSG 0,'%s/moveuspa1: a7=%08lx a1=%08lx' + lea (2*4,sp),sp + ENDC + rte ; move usp,a0 +jl+ moveuspa0 move.l (sp)+,d0 move usp,a0 addq.l #2,2(sp) + + IFEQ INFO_LEVEL-1009 + move.l a0,-(sp) + move.l a7,-(sp) + PUTMSG 0,'%s/moveuspa0: a7=%08lx a0=%08lx' + lea (2*4,sp),sp + ENDC + rte ; move a1,usp +jl+ moved1usp move.l (sp)+,d0 move a1,usp addq.l #2,2(sp) + + IFEQ INFO_LEVEL-1001 + move.l (4),-(sp) + PUTMSG 0,'%s/doprivviol END: Execbase=%08lx' + lea (1*4,sp),sp + ENDC rte ; @@ -1063,4 +1368,24 @@ _AsmTriggerNMI move.l d0,-(sp) ;Save d0 rts +CopyTrapStack: + movem.l d0/a0/a1,-(sp) + + move.w (5*4+6,sp),d0 ;get format word + lsr.w #7,d0 ;get stack frame Id + lsr.w #4,d0 + and.w #$001e,d0 + move.w (StackFormatTable,pc,d0.w),d0 ; get total stack frame length + + lea (5*4,sp),a0 ;get start of exception stack frame + move.l usp,a1 ;Get user stack pointer + bra 1$ + +2$ move.w (a0)+,(a1)+ ; copy additional stack words back to supervisor stack +1$ dbf d0,2$ + + move.l (3*4,sp),-(a0) ;copy return address to new top of stack + move.l a0,sp + rts + END