1 files changed, 106 insertions, 0 deletions
diff --git a/demos/AVR-AT90CANx-GCC/chcore.h b/demos/AVR-AT90CANx-GCC/chcore.h
new file mode 100644
index 000000000..d263202d8
--- /dev/null
+++ b/demos/AVR-AT90CANx-GCC/chcore.h
@@ -0,0 +1,106 @@
+/*
+    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/>.
+*/
+
+/**
+ * @addtogroup Core
+ * @{
+ */
+
+#ifndef _CHCORE_H_
+#define _CHCORE_H_
+
+/*
+ * Interrupt saved context.
+ */
+struct extctx {
+  BYTE8         sr;
+  BYTE8         r31;
+  BYTE8         r30;
+  BYTE8         r27;
+  BYTE8         r26;
+  BYTE8         r25;
+  BYTE8         r24;
+  BYTE8         r23;
+  BYTE8         r22;
+  BYTE8         r21;
+  BYTE8         r20;
+  BYTE8         r19;
+  BYTE8         r18;
+  BYTE8         r1;
+  BYTE8         r0;
+  UWORD16       pc;
+};
+
+/*
+ * Stack saved context.
+ */
+struct intctx {
+  BYTE8         r29;
+  BYTE8         r28;
+  BYTE8         r17;
+  BYTE8         r16;
+  BYTE8         r15;
+  BYTE8         r14;
+  BYTE8         r13;
+  BYTE8         r12;
+  BYTE8         r11;
+  BYTE8         r10;
+  BYTE8         r9;
+  BYTE8         r8;
+  BYTE8         r7;
+  BYTE8         r6;
+  BYTE8         r5;
+  BYTE8         r4;
+  BYTE8         r3;
+  BYTE8         r2;
+  UWORD16       pc;
+};
+
+typedef struct {
+  struct intctx *sp;
+} Context;
+
+/**
+ * Platform dependent part of the \p chThdCreate() API.
+ */
+#define SETUP_CONTEXT(workspace, wsize, pf, arg)                   \
+{                                                                  \
+}
+
+/*
+ * Interrupt stack usage except for saved registers.
+ */
+#define EXTRA_INT_STACK 0x10
+
+#define UserStackSize(n) (sizeof(Thread) + \
+                          sizeof(struct intctx) + \
+                          sizeof(struct extctx) + \
+                          EXTRA_INT_STACK + \
+                          (n))
+
+#define chSysLock() asm("cli")
+#define chSysUnlock() asm("sei")
+
+void chSysHalt(void);
+void chSysPause(void);
+void chSysSwitchI(Context *oldp, Context *newp);
+
+#endif /* _CHCORE_H_ */
+
+/** @} */