diff options
| -rw-r--r-- | demos/ARMCM3-STM32F103-GCC/Makefile | 165 | ||||
| -rw-r--r-- | demos/ARMCM3-STM32F103-GCC/board.c | 28 | ||||
| -rw-r--r-- | demos/ARMCM3-STM32F103-GCC/board.h | 25 | ||||
| -rw-r--r-- | demos/ARMCM3-STM32F103-GCC/chconf.h | 169 | ||||
| -rw-r--r-- | demos/ARMCM3-STM32F103-GCC/main.c | 57 | ||||
| -rw-r--r-- | ports/ARMCM3/chcore.c | 70 | ||||
| -rw-r--r-- | ports/ARMCM3/chcore.h | 103 | ||||
| -rw-r--r-- | ports/ARMCM3/chtypes.h | 44 | ||||
| -rw-r--r-- | ports/ARMCM3/crt0.s | 172 | ||||
| -rw-r--r-- | readme.txt | 9 |
10 files changed, 839 insertions, 3 deletions
diff --git a/demos/ARMCM3-STM32F103-GCC/Makefile b/demos/ARMCM3-STM32F103-GCC/Makefile new file mode 100644 index 000000000..2de43bf20 --- /dev/null +++ b/demos/ARMCM3-STM32F103-GCC/Makefile @@ -0,0 +1,165 @@ +#
+# !!!! Do NOT edit this makefile with an editor which replace tabs by spaces !!!!
+#
+##############################################################################################
+#
+# On command line:
+#
+# make all = Create project
+#
+# make clean = Clean project files.
+#
+# To rebuild project do "make clean" and "make all".
+#
+
+##############################################################################################
+# Start of default section
+#
+
+TRGT = arm-none-eabi-
+CC = $(TRGT)gcc
+CP = $(TRGT)objcopy
+AS = $(TRGT)gcc -x assembler-with-cpp
+OD = $(TRGT)objdump
+HEX = $(CP) -O ihex
+BIN = $(CP) -O binary
+
+MCU = cortex-m3
+
+# List all default C defines here, like -D_DEBUG=1
+DDEFS =
+
+# List all default ASM defines here, like -D_DEBUG=1
+DADEFS =
+
+# List all default directories to look for include files here
+DINCDIR =
+
+# List the default directory to look for the libraries here
+DLIBDIR =
+
+# List all default libraries here
+DLIBS =
+
+#
+# End of default section
+##############################################################################################
+
+##############################################################################################
+# Start of user section
+#
+
+# Define project name here
+PROJECT = ch
+
+# Define linker script file here
+LDSCRIPT= ch.ld
+
+# List all user C define here, like -D_DEBUG=1
+UDEFS =
+
+# Define ASM defines here
+UADEFS =
+
+# List ARM-mode C source files here
+SRC = ../../ports/ARMCM3/chcore.c \
+ ../../src/chinit.c ../../src/chdebug.c ../../src/chlists.c ../../src/chdelta.c \
+ ../../src/chschd.c ../../src/chthreads.c ../../src/chsem.c ../../src/chmtx.c \
+ ../../src/chevents.c ../../src/chmsg.c ../../src/chsleep.c ../../src/chqueues.c \
+ ../../src/chserial.c \
+ ../../src/lib/evtimer.c ../../test/test.c \
+ board.c main.c
+
+# List ASM source files here
+ASMSRC =
+#../../ports/ARMCM3/crt0.s
+
+# List all user directories here
+UINCDIR = ../../src/include ../../src/lib ../../ports/ARMCM3
+
+# List the user directory to look for the libraries here
+ULIBDIR =
+
+# List all user libraries here
+ULIBS =
+
+# Common options here
+# NOTE: -ffixed-r7 is only needed if you enabled CH_CURRP_REGISTER_CACHE in
+# chconf.h.
+# NOTE: -falign-functions=16 may improve the performance, not always, but
+# increases the code size.
+OPT = -O2 -ggdb -fomit-frame-pointer
+#OPT += -ffixed-r7
+#OPT += -falign-functions=16
+
+# Define warning options here
+WARN = -Wall -Wstrict-prototypes
+
+#
+# End of user defines
+##############################################################################################
+
+INCDIR = $(patsubst %,-I%,$(DINCDIR) $(UINCDIR))
+LIBDIR = $(patsubst %,-L%,$(DLIBDIR) $(ULIBDIR))
+DEFS = $(DDEFS) $(UDEFS)
+ADEFS = $(DADEFS) $(UADEFS)
+COBJS = $(SRC:.c=.o)
+ASMOBJS = $(ASMSRC:.s=.o)
+OBJS = $(ASMOBJS) $(COBJS)
+LIBS = $(DLIBS) $(ULIBS)
+MCFLAGS = -mcpu=$(MCU) -mthumb
+
+ASFLAGS = $(MCFLAGS) -mthumb -Wa,-amhls=$(<:.s=.lst) $(ADEFS)
+CPFLAGS = $(MCFLAGS) $(OPT) $(WARN) -Wa,-alms=$(<:.c=.lst) $(DEFS)
+LDFLAGS = $(MCFLAGS) -nostartfiles -T$(LDSCRIPT) -Wl,-Map=$(PROJECT).map,--cref,--no-warn-mismatch $(LIBDIR)
+ODFLAGS = -x --syms
+
+# Generate dependency information
+CPFLAGS += -MD -MP -MF .dep/$(@F).d
+
+#
+# Makefile rules
+#
+
+all: $(OBJS) $(PROJECT).elf $(PROJECT).hex $(PROJECT).bin $(PROJECT).dmp
+
+$(COBJS) : %.o : %.c
+ @echo
+ $(CC) -c $(CPFLAGS) -I . $(INCDIR) $< -o $@
+
+$(ASMOBJS) : %.o : %.s
+ @echo
+ $(AS) -c $(ASFLAGS) -I . $(INCDIR) $< -o $@
+
+%elf: $(OBJS)
+ @echo
+ $(CC) $(ASMOBJS) $(COBJS) $(LDFLAGS) $(LIBS) -o $@
+
+%hex: %elf
+ $(HEX) $< $@
+
+%bin: %elf
+ $(BIN) $< $@
+
+%dmp: %elf
+ $(OD) $(ODFLAGS) $< > $@
+
+clean:
+ -rm -f $(OBJS)
+ -rm -f $(PROJECT).elf
+ -rm -f $(PROJECT).dmp
+ -rm -f $(PROJECT).map
+ -rm -f $(PROJECT).hex
+ -rm -f $(PROJECT).bin
+ -rm -f $(SRC:.c=.c.bak)
+ -rm -f $(SRC:.c=.lst)
+ -rm -f $(ASMSRC:.s=.s.bak)
+ -rm -f $(ASMSRC:.s=.lst)
+ -rm -fR .dep
+
+#
+# Include the dependency files, should be the last of the makefile
+#
+-include $(shell mkdir .dep 2>/dev/null) $(wildcard .dep/*)
+
+# *** EOF ***
diff --git a/demos/ARMCM3-STM32F103-GCC/board.c b/demos/ARMCM3-STM32F103-GCC/board.c new file mode 100644 index 000000000..ec5ac2fb4 --- /dev/null +++ b/demos/ARMCM3-STM32F103-GCC/board.c @@ -0,0 +1,28 @@ +/*
+ 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>
+
+/*
+ * Hardware initialization goes here.
+ * NOTE: Interrupts are still disabled.
+ */
+void hwinit(void) {
+
+}
diff --git a/demos/ARMCM3-STM32F103-GCC/board.h b/demos/ARMCM3-STM32F103-GCC/board.h new file mode 100644 index 000000000..88459c3e7 --- /dev/null +++ b/demos/ARMCM3-STM32F103-GCC/board.h @@ -0,0 +1,25 @@ +/*
+ 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 _BOARD_H_
+#define _BOARD_H_
+
+#define BOARD_OLIMEX_STM32_P103
+
+#endif /* _BOARD_H_ */
diff --git a/demos/ARMCM3-STM32F103-GCC/chconf.h b/demos/ARMCM3-STM32F103-GCC/chconf.h new file mode 100644 index 000000000..c8817f85c --- /dev/null +++ b/demos/ARMCM3-STM32F103-GCC/chconf.h @@ -0,0 +1,169 @@ +/*
+ 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/>.
+*/
+
+/*
+ * Configuration file for LPC214x-GCC demo project.
+ */
+
+/**
+ * @addtogroup Config
+ * @{
+ */
+
+#ifndef _CHCONF_H_
+#define _CHCONF_H_
+
+/** Configuration option: if specified then time efficient rather than space
+ * efficient code is used when two possible implementations exist, note
+ * that this is not related to the compiler optimization options.*/
+#define CH_OPTIMIZE_SPEED
+
+/** Configuration option: if specified then the Virtual Timers subsystem is
+ * included in the kernel.*/
+#define CH_USE_VIRTUAL_TIMERS
+
+/** Configuration option: if specified then the System Timer subsystem is
+ * included in the kernel.*/
+#define CH_USE_SYSTEMTIME
+
+/** Configuration option: if specified then the \p chThdSleep() function is
+ * included in the kernel.
+ * @note requires \p CH_USE_VIRTUAL_TIMERS.*/
+#define CH_USE_SLEEP
+
+/** Configuration option: if specified then the \p chThdResume()
+ * function is included in the kernel.*/
+#define CH_USE_RESUME
+
+/** Configuration option: if specified then the \p chThdSuspend()
+ * function is included in the kernel.*/
+#define CH_USE_SUSPEND
+
+/** Configuration option: if specified then the \p chThdTerminate()
+ * and \p chThdShouldTerminate() functions are included in the kernel.*/
+#define CH_USE_TERMINATE
+
+/** Configuration option: if specified then the \p chThdWait() function
+ * is included in the kernel.*/
+#define CH_USE_WAITEXIT
+
+/** Configuration option: if specified then the Semaphores APIs are included
+ * in the kernel.*/
+#define CH_USE_SEMAPHORES
+
+/** Configuration option: if specified then the Semaphores atomic Signal+Wait
+ * APIs are included in the kernel.*/
+#define CH_USE_SEMSW
+
+/** Configuration option: if specified then the Semaphores with timeout APIs
+ * are included in the kernel.
+ * @note requires \p CH_USE_SEMAPHORES.
+ * @note requires \p CH_USE_VIRTUAL_TIMERS.*/
+#define CH_USE_SEMAPHORES_TIMEOUT
+
+/** Configuration option: if specified then the Mutexes APIs are included in
+ * the kernel.*/
+#define CH_USE_MUTEXES
+
+/** Configuration option: if specified then the Events APIs are included in
+ * the kernel.*/
+#define CH_USE_EVENTS
+
+/** Configuration option: if specified then the \p chEvtWaitTimeout()
+ * function is included in the kernel.
+ * @note requires \p CH_USE_EVENTS.
+ * @note requires \p CH_USE_VIRTUAL_TIMERS.*/
+#define CH_USE_EVENTS_TIMEOUT
+
+/** Configuration option: if specified then the Synchronous Messages APIs are
+ * included in the kernel.*/
+#define CH_USE_MESSAGES
+
+/** Configuration option: if specified then the \p chMsgSendWithEvent()
+ * function is included in the kernel.
+ * @note requires \p CH_USE_MESSAGES.
+ * @note requires \p CH_USE_VIRTUAL_TIMERS.*/
+#define CH_USE_MESSAGES_EVENT
+
+/** Configuration option: If enabled then the threads have an option to serve
+ * messages by priority instead of FIFO order.
+ * @note requires \p CH_USE_MESSAGES.*/
+//#define CH_USE_MESSAGES_PRIORITY
+
+/** Configuration option: if specified then the
+ * \p chThdGetExitEventSource() function is included in the kernel.
+ * @note requires \p CH_USE_MESSAGES.
+ * @note requires \p CH_USE_EVENTS.*/
+#define CH_USE_EXIT_EVENT
+
+/** Configuration option: if specified then the I/O queues APIs are included
+ * in the kernel.*/
+#define CH_USE_QUEUES
+
+/** Configuration option: if specified then the halfduplex queue APIs are
+ * included in the kernel.*/
+#define CH_USE_QUEUES_HALFDUPLEX
+
+/** Configuration option: if specified then the I/O queues with timeout
+ * APIs are included in the kernel.
+ * @note requires \p CH_USE_SEMAPHORES_TIMEOUT.*/
+#define CH_USE_QUEUES_TIMEOUT
+
+/** Configuration option: if specified then the full duplex serial driver APIs
+ * are included in the kernel.*/
+#define CH_USE_SERIAL_FULLDUPLEX
+
+/** Configuration option: if specified then the half duplex serial driver APIs
+ * are included in the kernel.*/
+#define CH_USE_SERIAL_HALFDUPLEX
+
+/** Configuration option: Frequency of the system timer that drives the system
+ * ticks. This also defines the system time unit.*/
+#define CH_FREQUENCY 1000
+
+/** Configuration option: This constant is the number of ticks allowed for the
+ * threads before preemption occurs.*/
+#define CH_TIME_QUANTUM 20
+
+/** Configuration option: Defines a CPU register to be used as storage for the
+ * global \p currp variable. Caching this variable in a register can greatly
+ * improve both space and time efficiency of the generated code. Another side
+ * effect is that one less register has to be saved during the context switch
+ * resulting in lower RAM usage and faster code.
+ * @note This option is only useable with the GCC compiler and is only useful
+ * on processors with many registers like ARM cores.
+ * @note If this option is enabled then ALL the libraries linked to the
+ * ChibiOS/RT code <b>must</b> be recompiled with the GCC option \p
+ * -ffixed-<reg>.
+ */
+//#define CH_CURRP_REGISTER_CACHE "r7"
+
+/** Configuration option: Includes basic debug support to the kernel.
+ * @note the debug support is port-dependent, it may be not present on some
+ * targets. In that case stub functions will be included.
+ */
+//#define CH_USE_DEBUG
+
+/** Debug option: Includes the threads context switch tracing feature.
+ */
+//#define CH_USE_TRACE
+
+#endif /* _CHCONF_H_ */
+
+/** @} */
diff --git a/demos/ARMCM3-STM32F103-GCC/main.c b/demos/ARMCM3-STM32F103-GCC/main.c new file mode 100644 index 000000000..60e53abd3 --- /dev/null +++ b/demos/ARMCM3-STM32F103-GCC/main.c @@ -0,0 +1,57 @@ +/*
+ 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>
+
+/*
+ * Red LEDs blinker thread, times are in milliseconds.
+ */
+static WorkingArea(waThread1, 64);
+static msg_t Thread1(void *arg) {
+
+ while (TRUE) {
+ chThdSleep(1000);
+ }
+ return 0;
+}
+
+/*
+ * Entry point, the interrupts are disabled on entry.
+ */
+int main(int argc, char **argv) {
+
+ /*
+ * The main() function becomes a thread here then the interrupts are
+ * enabled and ChibiOS/RT goes live.
+ */
+ chSysInit();
+
+ /*
+ * Creates the blinker threads.
+ */
+ chThdCreate(NORMALPRIO, 0, waThread1, sizeof(waThread1), Thread1, NULL);
+
+ /*
+ * Normal main() thread activity, in this demo it does nothing except
+ * sleeping in a loop.
+ */
+ while (TRUE)
+ chThdSleep(1000);
+ return 0;
+}
diff --git a/ports/ARMCM3/chcore.c b/ports/ARMCM3/chcore.c new file mode 100644 index 000000000..a98da808b --- /dev/null +++ b/ports/ARMCM3/chcore.c @@ -0,0 +1,70 @@ +/*
+ 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>
+
+/*
+ * System idle thread loop.
+ */
+void _IdleThread(void *p) {
+
+ while (TRUE) {
+ }
+}
+
+/*
+ * System console message (not implemented).
+ */
+void chSysPuts(char *msg) {
+}
+
+/*
+ * Context switch.
+ */
+void chSysSwitchI(Thread *otp, Thread *ntp) {
+ register struct intctx * volatile sp asm("sp"); /* Don't ask... */
+
+#ifdef CH_CURRP_REGISTER_CACHE
+ asm ("" : : : "r4", "r5", "r6", "r8", "r9", "r10", "r11", "lr");
+#else
+ asm ("" : : : "r4", "r5", "r6", "r7", "r8", "r9", "r10", "r11", "lr");
+#endif
+ otp->p_ctx.r13 = sp;
+ sp = ntp->p_ctx.r13;
+}
+
+/*
+ * System halt.
+ */
+__attribute__((naked, weak))
+void chSysHalt(void) {
+
+ while (TRUE) {
+ }
+}
+
+__attribute__((naked, weak))
+void threadstart(void) {
+
+ chSysUnlock();
+ asm volatile ("mov r0, r5 \n\t" \
+ "blx r4 \n\t" \
+ "bl chThdExit ");
+
+}
diff --git a/ports/ARMCM3/chcore.h b/ports/ARMCM3/chcore.h new file mode 100644 index 000000000..706f49c28 --- /dev/null +++ b/ports/ARMCM3/chcore.h @@ -0,0 +1,103 @@ +/*
+ 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_
+
+typedef void *regarm;
+
+/*
+ * Interrupt saved context.
+ */
+struct extctx {
+ regarm spsr_irq;
+ regarm lr_irq;
+ regarm r0;
+ regarm r1;
+ regarm r2;
+ regarm r3;
+ regarm r12;
+};
+
+/*
+ * System saved context.
+ */
+struct intctx {
+ regarm r4;
+ regarm r5;
+ regarm r6;
+#ifndef CH_CURRP_REGISTER_CACHE
+ regarm r7;
+#endif
+ regarm r8;
+ regarm r9;
+ regarm r10;
+ regarm r11;
+ regarm lr;
+};
+
+/*
+ * Port dependent part of the Thread structure, you may add fields in
+ * this structure.
+ */
+typedef struct {
+ struct intctx *r13;
+} Context;
+
+/*
+ * Platform dependent part of the \p chThdCreate() API.
+ */
+#define SETUP_CONTEXT(workspace, wsize, pf, arg) { \
+ tp->p_ctx.r13 = (struct intctx *)((uint8_t *)workspace + \
+ wsize - \
+ sizeof(struct intctx)); \
+ tp->p_ctx.r13->r4 = pf; \
+ tp->p_ctx.r13->r5 = arg; \
+ tp->p_ctx.r13->lr = threadstart; \
+}
+
+#define chSysLock() asm("cpsid i")
+#define chSysUnlock() asm("cpsie i")
+
+#define INT_REQUIRED_STACK 0x10
+#define StackAlign(n) ((((n) - 1) | 3) + 1)
+#define UserStackSize(n) StackAlign(sizeof(Thread) + \
+ sizeof(struct intctx) + \
+ sizeof(struct extctx) + \
+ (n) + \
+ INT_REQUIRED_STACK)
+#define WorkingArea(s, n) uint32_t s[UserStackSize(n) >> 2];
+
+#define chSysIRQEnterI() { \
+}
+
+#define chSysIRQExitI() { \
+ asm("b IrqCommon \n\t"); \
+}
+
+/* It requires zero bytes, but better be safe.*/
+#define IDLE_THREAD_STACK_SIZE 8
+void _IdleThread(void *p) __attribute__((noreturn));
+
+void chSysHalt(void);
+void chSysSwitchI(Thread *otp, Thread *ntp);
+void chSysPuts(char *msg);
+void threadstart(void);
+
+#endif /* _CHCORE_H_ */
diff --git a/ports/ARMCM3/chtypes.h b/ports/ARMCM3/chtypes.h new file mode 100644 index 000000000..2fd609b1f --- /dev/null +++ b/ports/ARMCM3/chtypes.h @@ -0,0 +1,44 @@ +/*
+ 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 _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 int8_t bool_t;
+typedef uint8_t tmode_t;
+typedef uint8_t tstate_t;
+typedef uint16_t tid_t;
+typedef uint32_t tprio_t;
+typedef int32_t msg_t;
+typedef int32_t eventid_t;
+typedef uint32_t eventmask_t;
+typedef uint32_t systime_t;
+typedef int32_t cnt_t;
+
+#define INLINE inline
+
+#endif /* _CHTYPES_H_ */
diff --git a/ports/ARMCM3/crt0.s b/ports/ARMCM3/crt0.s new file mode 100644 index 000000000..91aec34b6 --- /dev/null +++ b/ports/ARMCM3/crt0.s @@ -0,0 +1,172 @@ +/*
+ 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/>.
+*/
+
+/*
+ * Generic ARM startup file for ChibiOS/RT.
+ */
+
+.extern _main
+
+.set MODE_USR, 0x10
+.set MODE_FIQ, 0x11
+.set MODE_IRQ, 0x12
+.set MODE_SVC, 0x13
+.set MODE_ABT, 0x17
+.set MODE_UND, 0x1B
+.set MODE_SYS, 0x1F
+
+.equ I_BIT, 0x80
+.equ F_BIT, 0x40
+
+.text
+.code 32
+.balign 4
+/*
+ * System entry points.
+ */
+_start:
+ b ResetHandler
+ ldr pc, _undefined
+ ldr pc, _swi
+ ldr pc, _prefetch
+ ldr pc, _abort
+ nop
+ ldr pc, [pc,#-0xFF0] /* VIC - IRQ Vector Register */
+ ldr pc, _fiq
+
+_undefined:
+ .word UndHandler
+_swi:
+ .word SwiHandler
+_prefetch:
+ .word PrefetchHandler
+_abort:
+ .word AbortHandler
+_fiq:
+ .word FiqHandler
+ .word 0
+ .word 0
+ .word 0
+
+/*
+ * Reset handler.
+ */
+ResetHandler:
+ /*
+ * Stack pointers initialization.
+ */
+ ldr r0, =__ram_end__
+ /* Undefined */
+ msr CPSR_c, #MODE_UND | I_BIT | F_BIT
+ mov sp, r0
+ ldr r1, =__und_stack_size__
+ sub r0, r0, r1
+ /* Abort */
+ msr CPSR_c, #MODE_ABT | I_BIT | F_BIT
+ mov sp, r0
+ ldr r1, =__abt_stack_size__
+ sub r0, r0, r1
+ /* FIQ */
+ msr CPSR_c, #MODE_FIQ | I_BIT | F_BIT
+ mov sp, r0
+ ldr r1, =__fiq_stack_size__
+ sub r0, r0, r1
+ /* IRQ */
+ msr CPSR_c, #MODE_IRQ | I_BIT | F_BIT
+ mov sp, r0
+ ldr r1, =__irq_stack_size__
+ sub r0, r0, r1
+ /* Supervisor */
+ msr CPSR_c, #MODE_SVC | I_BIT | F_BIT
+ mov sp, r0
+ ldr r1, =__svc_stack_size__
+ sub r0, r0, r1
+ /* System */
+ msr CPSR_c, #MODE_SYS | I_BIT | F_BIT
+ mov sp, r0
+// ldr r1, =__sys_stack_size__
+// sub r0, r0, r1
+ /*
+ * Data initialization.
+ * NOTE: It assumes that the DATA size is a multiple of 4.
+ */
+ ldr r1, =_textdata
+ ldr r2, =_data
+ ldr r3, =_edata
+dataloop:
+ cmp r2, r3
+ ldrlo r0, [r1], #4
+ strlo r0, [r2], #4
+ blo dataloop
+ /*
+ * BSS initialization.
+ * NOTE: It assumes that the BSS size is a multiple of 4.
+ */
+ mov r0, #0
+ ldr r1, =_bss_start
+ ldr r2, =_bss_end
+bssloop:
+ cmp r1, r2
+ strlo r0, [r1], #4
+ blo bssloop
+ /*
+ * Application-provided HW initialization routine.
+ */
+#ifndef THUMB_NO_INTERWORKING
+ bl hwinit
+ /*
+ * main(0, NULL).
+ */
+ mov r0, #0
+ mov r1, r0
+ bl main
+ bl chSysHalt
+#else
+ add r0, pc, #1
+ bx r0
+.code 16
+ bl hwinit
+ mov r0, #0
+ mov r1, r0
+ bl main
+ bl chSysHalt
+.code 32
+#endif
+
+.weak UndHandler
+.globl UndHandler
+UndHandler:
+
+.weak SwiHandler
+.globl SwiHandler
+SwiHandler:
+
+.weak PrefetchHandler
+.globl PrefetchHandler
+PrefetchHandler:
+
+.weak AbortHandler
+.globl AbortHandler
+AbortHandler:
+
+.weak FiqHandler
+.globl FiqHandler
+FiqHandler:
+
+.loop: b .loop
diff --git a/readme.txt b/readme.txt index 6b7b55461..760a0dd5e 100644 --- a/readme.txt +++ b/readme.txt @@ -36,6 +36,9 @@ ARM7-LPC214x-GCC - ChibiOS/RT port for ARM7 LPC2148, the demo targets ARM7-LPC214x-GCC-min - Minimal demo for LPC214X.
ARM7-AT91SAM7X-GCC - Port for Atmel AT91SAM7X256. The demo program targets
the Olimex SAM7-EX256 board.
+ARMCM3-ST32F103-GCC - ARM Cortex-M3 port, work in progress, not complete
+ yet. The demo will target the Olimex STM32-P103
+ board.
AVR-AVRmega128-GCC - Port on AVRmega128, experimental. A special thanks to
Vladimir for the work done on the AVR port. The demo
program targets the Olimex AVR-MT-128 mini terminal
@@ -47,8 +50,6 @@ AVR-AT90CANx-GCC - Port on AVR AT90CAN128, not tested on hardware yet. *****************************************************************************
- Look into importing *or* implementing a TCP/IP stack and a File System.
-- Start the work on a Cortex-M3 port as soon GCC 4.3.0 will be released and
- incorporated in YAGARTO.
- Evaluate other architectures for a possible ChibiOS/RT port. An important
selection parameter will be the availability of FOSS toolchains. Currently
we are evaluating the Cortex-M3 and the MSP430.
@@ -72,7 +73,9 @@ AVR-AT90CANx-GCC - Port on AVR AT90CAN128, not tested on hardware yet. - Removed the -falign-functions=16 option from the AT91SAM7X demo makefiles,
the Atmel chip does not require it, the option is still present on the
LPC21xx demos. This saves significant program space.
-- Fixes to the doxigen documentation.
+- Started work on ARM Cortex-M3 architecture. The target chip is the ST32F103
+ on a Olimex STM32-P103 board.
+- Various fixes to the doxigen documentation.
*** 0.6.0 ***
- Code refactory, all the old sized-integer definitions like LONG32, UWORD16
|