From: Alan Cox <alan@linux.intel.com>
Date: Sat, 30 May 2015 13:55:16 +0000 (+0100)
Subject: px4plus: initial mods for new IRQ code
X-Git-Url: https://git.ndcode.org/public/gitweb.cgi?a=commitdiff_plain;h=f77578bb35aa99ea4fcb5b1d37fc12fcdadddb24;p=FUZIX.git

px4plus: initial mods for new IRQ code

This platform uses the banked build so at the moment this can't be built
or tested
---

diff --git a/Kernel/platform-px4plus/px4plus.s b/Kernel/platform-px4plus/px4plus.s
index 62baf8c0..9cea76a1 100644
--- a/Kernel/platform-px4plus/px4plus.s
+++ b/Kernel/platform-px4plus/px4plus.s
@@ -75,9 +75,10 @@ platform_interrupt_all:
 
 ;
 ;	FIXME: this probably needs to be a new "commondata" area so we can
+;	ROM this correctly
 ;
-_kernel_flag:
-	    .db 1
+_need_resched:
+	    .db 0
 kernel_map:			; Last kernel map we were using
 	    .db 0xA2
 saved_map:			; Saved mapping for IRQ entry/exit
diff --git a/Kernel/platform-px4plus/tricks.s b/Kernel/platform-px4plus/tricks.s
index d6f1a565..a6673134 100644
--- a/Kernel/platform-px4plus/tricks.s
+++ b/Kernel/platform-px4plus/tricks.s
@@ -56,10 +56,6 @@ _switchout:
         push iy
         ld (U_DATA__U_SP), sp ; this is where the SP is restored in _switchin
 
-        ; set inint to false
-        xor a
-        ld (_inint), a
-
         ; find another process to run (may select this one again)
 	push af
         call _getproc
@@ -159,9 +155,9 @@ not_swapped:
         pop hl ; return code
 
         ; enable interrupts, if the ISR isn't already running
-        ld a, (_inint)
+        ld a, (U_DATA__U_ININTERRUPT)
         or a
-        ret z ; in ISR, leave interrupts off
+        ret nz ; in ISR, leave interrupts off
         ei
         ret ; return with interrupts on