p68000: add vdso, turn off signals for the moment

diff --git a/Kernel/platform-v68/p68000.S b/Kernel/platform-v68/p68000.S
index 2b9715f..bbc46bf 100644 (file)
--- a/Kernel/platform-v68/p68000.S
+++ b/Kernel/platform-v68/p68000.S
@@ -12,6 +12,7 @@
                .globl udata_block
                .globl devide_read_data
                .globl devide_write_data
+               .globl vdso
 .mri 1
 trap_reboot:
 trap_monitor:
@@ -78,6 +79,7 @@ timer_irq:
            jsr platform_interrupt
            clr.b U_DATA__U_ININTERRUPT(a5)
            move.b $00F04000,d0         ; Re-enable
+       bra no_signal           ; FIXME debug
 
            tst.b U_DATA__U_INSYS(a5)
            bne no_preempt
@@ -174,6 +176,17 @@ devide_write_l:
        dbra d0,devide_write_l
        rts
 
+;
+;      'VDSO'
+;
+vdso:  trap #14                ; syscall entry
+       rts
+       ; signal unwind
+       movem.l (sp)+,a0/a1/d0/d1
+       move.w (sp)+,ccr
+       rts
+       ; rest is spare for now
+
 .section data
 
 kernel_flag: byte 1