From: Alan Cox <alan@linux.intel.com>
Date: Sat, 30 May 2015 14:23:53 +0000 (+0100)
Subject: zx128: update to new interrupt scheme
X-Git-Url: https://git.ndcode.org/public/gitweb.cgi?a=commitdiff_plain;h=839b53f15a8ab8294867f54f40a3d562cbf4e096;p=FUZIX.git

zx128: update to new interrupt scheme

Untested as banked not yet converted
---

diff --git a/Kernel/platform-zx128/tricks.s b/Kernel/platform-zx128/tricks.s
index d6245590..41519b3c 100644
--- a/Kernel/platform-zx128/tricks.s
+++ b/Kernel/platform-zx128/tricks.s
@@ -11,7 +11,6 @@
         .globl _getproc
         .globl _trap_monitor
         .globl trap_illegal
-        .globl _inint
         .globl _switchout
         .globl _switchin
 	.globl _low_bank
@@ -59,10 +58,6 @@ _switchout:
 	; here
 	;
 
-        ; set inint to false
-        xor a
-        ld (_inint), a
-
 	; Stash the uarea back into process memory
 	ld hl, (U_DATA__U_PAGE)
 	ld a, l
@@ -247,9 +242,9 @@ nofliplow:
         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
 
diff --git a/Kernel/platform-zx128/zx128.s b/Kernel/platform-zx128/zx128.s
index 47a51564..95a4e108 100644
--- a/Kernel/platform-zx128/zx128.s
+++ b/Kernel/platform-zx128/zx128.s
@@ -23,7 +23,7 @@
 	.globl current_map
 	.globl switch_bank
 
-        .globl _kernel_flag
+        .globl _need_resched
 
         ; exported debugging tools
         .globl _trap_monitor
@@ -288,8 +288,6 @@ outchar:
         ret
 _tmpout:
 	.db 1
-_kernel_flag:
-        .db 1
 
 	.area _COMMONDATA
 current_map:                ; place to store current page number. Is needed
@@ -301,6 +299,9 @@ map_store:
 ksave_map:
         .db 0
 
+_need_resched:
+        .db 0
+
 	.area _COMMONMEM
 ;
 ;	Banking helpers