1 files changed, 124 insertions, 0 deletions
diff --git a/demos/AVR-AT90CANx-GCC/chcore2.S b/demos/AVR-AT90CANx-GCC/chcore2.S
new file mode 100644
index 000000000..a9d39690a
--- /dev/null
+++ b/demos/AVR-AT90CANx-GCC/chcore2.S
@@ -0,0 +1,124 @@
+/*
+    ChibiOS/RT - Copyright (C) 2006-2007 Giovanni Di Sirio.
+
+    This file is part of ChibiOS/RT.
+
+    ChibiOS/RT is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 3 of the License, or
+    (at your option) any later version.
+
+    ChibiOS/RT is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include <avr/io.h>
+
+.global chSysPause
+chSysPause:
+        ldi     r18, (1 << SE)
+        out     _SFR_IO_ADDR(SMCR), r18
+stay:
+        sleep
+        rjmp    stay
+
+.global chSysSwitchI
+chSysSwitchI:
+        push    r2
+        push    r3
+        push    r4
+        push    r5
+        push    r6
+        push    r7
+        push    r8
+        push    r9
+        push    r10
+        push    r11
+        push    r12
+        push    r13
+        push    r14
+        push    r15
+        push    r16
+        push    r17
+        push    r28
+        push    r29
+        movw    r30, r24        // Z <- oldp
+        in      r0, _SFR_IO_ADDR(SPL)
+        st      Z, r0
+        in      r0, _SFR_IO_ADDR(SPH)
+        std     Z+1, r0
+
+        movw    r30, r22        // Z <- newp
+        ld      r0, Z
+        out     _SFR_IO_ADDR(SPL), r0
+        ldd     r0, Z+1
+        out     _SFR_IO_ADDR(SPH), r0
+        pop     r29
+        pop     r28
+        pop     r17
+        pop     r16
+        pop     r15
+        pop     r14
+        pop     r13
+        pop     r12
+        pop     r11
+        pop     r10
+        pop     r9
+        pop     r8
+        pop     r7
+        pop     r6
+        pop     r5
+        pop     r4
+        pop     r3
+        pop     r2
+        ret
+
+.global __vector_17
+__vector_17:
+        push    r0
+        push    r1
+        push    r18
+        push    r19
+        push    r20
+        push    r21
+        push    r22
+        push    r23
+        push    r24
+        push    r25
+        push    r26
+        push    r27
+        push    r30
+        push    r31
+        in      r0, _SFR_IO_ADDR(SREG)
+        push    r0
+        clr     r1
+        call    chSchTimerHandlerI
+intcommon:
+        call    chSchRescRequiredI
+        tst     r24
+        breq    noschd
+        call    chSchDoRescheduleI
+noschd:
+        pop     r0
+        out     _SFR_IO_ADDR(SREG), r0
+        pop     r31
+        pop     r30
+        pop     r27
+        pop     r26
+        pop     r25
+        pop     r24
+        pop     r23
+        pop     r22
+        pop     r21
+        pop     r20
+        pop     r19
+        pop     r18
+        pop     r1
+        pop     r0
+        reti
+