1 files changed, 98 insertions, 0 deletions
diff --git a/ports/MSP430/chcore.h b/ports/MSP430/chcore.h
new file mode 100644
index 000000000..b67e90d26
--- /dev/null
+++ b/ports/MSP430/chcore.h
@@ -0,0 +1,98 @@
+/*
+    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/>.
+*/
+
+#ifndef _CHCORE_H_
+#define _CHCORE_H_
+
+#define CH_ARCHITECTURE_MSP430
+
+typedef void *regmsp;
+
+/*
+ * Interrupt saved context.
+ */
+struct extctx {
+  regmsp        r12;
+  regmsp        r13;
+  regmsp        r14;
+  regmsp        r15;
+  regmsp        sr;
+  regmsp        pc;
+};
+
+/*
+ * System saved context.
+ */
+struct intctx {
+  regmsp        r4;
+  regmsp        r5;
+  regmsp        r6;
+  regmsp        r7;
+  regmsp        r8;
+  regmsp        r9;
+  regmsp        r10;
+  regmsp        r11;
+  regmsp        pc;
+};
+
+typedef struct {
+  struct intctx *sp;
+} Context;
+
+#define SETUP_CONTEXT(workspace, wsize, pf, arg) {                      \
+  tp->p_ctx.sp = (struct intctx *)((uint8_t *)workspace +               \
+                                   wsize -                              \
+                                   sizeof(struct intctx));              \
+  tp->p_ctx.sp->r10 = pf;                                               \
+  tp->p_ctx.sp->r11 = arg;                                              \
+  tp->p_ctx.sp->pc = threadstart;                                       \
+}
+
+#define IDLE_THREAD_STACK_SIZE 0
+
+#define INT_REQUIRED_STACK 16
+#define StackAlign(n) ((((n) - 1) | 1) + 1)
+#define UserStackSize(n) StackAlign(sizeof(Thread) +                    \
+                                    sizeof(struct intctx) +             \
+                                    sizeof(struct extctx) +             \
+                                    (n) + (INT_REQUIRED_STACK))
+#define WorkingArea(s, n) uint16_t s[UserStackSize(n >> 1)];
+
+#define chSysLock() asm volatile ("dint")
+#define chSysUnlock() asm volatile ("eint")
+
+#define chSysIRQEnterI()
+#define chSysIRQExitI() {                                               \
+  if (chSchRescRequiredI1())                                            \
+    chSchDoRescheduleI();                                               \
+}
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+  void _IdleThread(void *p);
+  void chSysHalt(void);
+  void chSysSwitchI(Thread *otp, Thread *ntp);
+  void chSysPuts(char *msg);
+  void threadstart(void);
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _CHCORE_H_ */