From e5165f2db15287021aaff34fca95a8d4cdb9a884 Mon Sep 17 00:00:00 2001 From: Alan Cox Date: Tue, 30 Aug 2016 21:08:38 +0100 Subject: [PATCH] v68: load the uarea shadow when needed --- Kernel/platform-v68/p68000.S | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/Kernel/platform-v68/p68000.S b/Kernel/platform-v68/p68000.S index 87b52f3e..88a06cd3 100644 --- a/Kernel/platform-v68/p68000.S +++ b/Kernel/platform-v68/p68000.S @@ -18,6 +18,7 @@ trap_monitor: init_early: lea.l uarea_block,a5 ; udata ptr + move.l a5,uarea_shadow ; shadow copy for entry/exit rts ; @@ -62,13 +63,18 @@ trapset: move.l #spurious,$60(a0) move.l #timer_irq,$78(a0) move.l #mmu_fault,$7C(a0) + + moveq #100,d0 ; Timer on (but slow) + move.b d0,$00F04000 rts timer_irq: movem.l a0-a6/d0-d7,-(a7) move.l #intmsg,a0 bsr outstring + move.l uarea_shadow,a5 ; set up the register global bsr platform_interrupt + move.b $00F04000,d0 ; Re-enable movem.l (a7)+,a0-a6/d0-d7 rte -- 2.34.1