diff options
Diffstat (limited to 'ports')
| -rw-r--r-- | ports/ARM7/chcore.h | 2 | ||||
| -rw-r--r-- | ports/ARMCM3/chcore.h | 2 | ||||
| -rw-r--r-- | ports/AVR/chcore.h | 2 | ||||
| -rw-r--r-- | ports/MSP430/chcore.c | 84 | ||||
| -rw-r--r-- | ports/MSP430/chcore.h | 98 | ||||
| -rw-r--r-- | ports/MSP430/chtypes.h | 51 |
6 files changed, 239 insertions, 0 deletions
diff --git a/ports/ARM7/chcore.h b/ports/ARM7/chcore.h index eed850266..4f8e187cc 100644 --- a/ports/ARM7/chcore.h +++ b/ports/ARM7/chcore.h @@ -20,6 +20,8 @@ #ifndef _CHCORE_H_
#define _CHCORE_H_
+#define CH_ARCHITECTURE_ARM7
+
typedef void *regarm;
/*
diff --git a/ports/ARMCM3/chcore.h b/ports/ARMCM3/chcore.h index 5b9a0915b..9a8f00bee 100644 --- a/ports/ARMCM3/chcore.h +++ b/ports/ARMCM3/chcore.h @@ -20,6 +20,8 @@ #ifndef _CHCORE_H_
#define _CHCORE_H_
+#define CH_ARCHITECTURE_ARMCM3
+
typedef void *regarm;
/*
diff --git a/ports/AVR/chcore.h b/ports/AVR/chcore.h index eb7e334f6..cb2920a2d 100644 --- a/ports/AVR/chcore.h +++ b/ports/AVR/chcore.h @@ -20,6 +20,8 @@ #ifndef _CHCORE_H_
#define _CHCORE_H_
+#define CH_ARCHITECTURE_AVR
+
/*
* Interrupt saved context.
*/
diff --git a/ports/MSP430/chcore.c b/ports/MSP430/chcore.c new file mode 100644 index 000000000..86765c675 --- /dev/null +++ b/ports/MSP430/chcore.c @@ -0,0 +1,84 @@ +/*
+ 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 <ch.h>
+
+/**
+ * This function implements the idle thread infinite loop. The function should
+ * put the processor in the lowest power mode capable to serve interrupts.
+ * The priority is internally set to the minimum system value so that this
+ * thread is executed only if there are no other ready threads in the system.
+ */
+void _IdleThread(void *p) {
+
+ while (TRUE)
+ ;
+}
+
+/**
+ * Abonormal system termination handler. Invoked by the ChibiOS/RT when an
+ * abnormal unrecoverable condition is met.
+ */
+void chSysHalt(void) {
+
+ chSysLock();
+
+ while (TRUE)
+ ;
+}
+
+/**
+ * Context switch.
+ */
+void chSysSwitchI(Thread *otp, Thread *ntp) {
+ register struct intctx *sp asm("r1");
+
+ asm volatile ("push r11 \n\t" \
+ "push r10 \n\t" \
+ "push r9 \n\t" \
+ "push r8 \n\t" \
+ "push r7 \n\t" \
+ "push r6 \n\t" \
+ "push r6 \n\t" \
+ "push r4");
+ otp->p_ctx.sp = sp;
+ sp = ntp->p_ctx.sp;
+ asm volatile ("pop r4 \n\t" \
+ "pop r5 \n\t" \
+ "pop r6 \n\t" \
+ "pop r7 \n\t" \
+ "pop r8 \n\t" \
+ "pop r9 \n\t" \
+ "pop r10 \n\t" \
+ "pop r11" : : "r" (sp));
+}
+
+/**
+ * Prints a message on the system console (if any).
+ */
+void chSysPuts(char *msg) {
+}
+
+void threadstart(void) {
+
+ asm volatile ("eint \n\t" \
+ "mov r11, r15 \n\t" \
+ "call r10 \n\t" \
+ "call #chThdExit");
+}
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_ */
diff --git a/ports/MSP430/chtypes.h b/ports/MSP430/chtypes.h new file mode 100644 index 000000000..e1fc14ef6 --- /dev/null +++ b/ports/MSP430/chtypes.h @@ -0,0 +1,51 @@ +/*
+ 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 _CHTYPES_H_
+#define _CHTYPES_H_
+
+#define __need_NULL
+#define __need_size_t
+#include <stddef.h>
+
+#if !defined(_STDINT_H) && !defined(__STDINT_H_)
+#include <stdint.h>
+#endif
+
+typedef int16_t bool_t; /* Signed boolean. */
+typedef uint8_t tmode_t; /* Thread mode flags, uint8_t is ok. */
+typedef uint8_t tstate_t; /* Thread state, uint8_t is ok. */
+typedef uint16_t tid_t; /* Thread id. */
+typedef uint16_t tprio_t; /* Priority, use the fastest unsigned type. */
+typedef int16_t msg_t; /* Message, use signed pointer equivalent.*/
+typedef int16_t eventid_t; /* Event Id, use fastest signed.*/
+typedef uint16_t eventmask_t;/* Event Mask, recommended fastest unsigned.*/
+typedef uint16_t systime_t; /* System Time, recommended fastest unsigned.*/
+typedef int16_t cnt_t; /* Counter, recommended fastest signed.*/
+
+#define INLINE inline
+
+#endif /* _CHTYPES_H_ */
+
+/** @} */
|