diff options
author | theShed <theShed@35acf78f-673a-0410-8e92-d51de3d6d3f4> | 2013-03-07 15:00:21 +0000 |
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committer | theShed <theShed@35acf78f-673a-0410-8e92-d51de3d6d3f4> | 2013-03-07 15:00:21 +0000 |
commit | 09d8d2dfdc588422c7353314ab1f0fe61305b6b5 (patch) | |
tree | 4fea43efde8b45905f7cda1a68fdda0c158d780f /os/ports | |
parent | d2e3d96b8d5305c9e74a762b22abe403dd726ec2 (diff) | |
download | ChibiOS-09d8d2dfdc588422c7353314ab1f0fe61305b6b5.tar.gz ChibiOS-09d8d2dfdc588422c7353314ab1f0fe61305b6b5.tar.bz2 ChibiOS-09d8d2dfdc588422c7353314ab1f0fe61305b6b5.zip |
Initial LPC8xx port
git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@5376 35acf78f-673a-0410-8e92-d51de3d6d3f4
Diffstat (limited to 'os/ports')
-rw-r--r-- | os/ports/GCC/ARMCMx/LPC8xx/cmparams.h | 60 | ||||
-rw-r--r-- | os/ports/GCC/ARMCMx/LPC8xx/ld/LPC812.ld | 150 | ||||
-rw-r--r-- | os/ports/GCC/ARMCMx/LPC8xx/port.mk | 15 | ||||
-rw-r--r-- | os/ports/GCC/ARMCMx/LPC8xx/vectors.c | 199 | ||||
-rw-r--r-- | os/ports/GCC/ARMCMx/rules.mk | 4 |
5 files changed, 426 insertions, 2 deletions
diff --git a/os/ports/GCC/ARMCMx/LPC8xx/cmparams.h b/os/ports/GCC/ARMCMx/LPC8xx/cmparams.h new file mode 100644 index 000000000..da25ac6a2 --- /dev/null +++ b/os/ports/GCC/ARMCMx/LPC8xx/cmparams.h @@ -0,0 +1,60 @@ +/*
+ ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010,
+ 2011,2012,2013 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/>.
+*/
+
+/**
+ * @file GCC/ARMCMx/LPC8xx/cmparams.h
+ * @brief ARM Cortex-M0+ parameters for the LPC8xx.
+ *
+ * @defgroup ARMCMx_LPC8xx LPC8xx Specific Parameters
+ * @ingroup ARMCMx_SPECIFIC
+ * @details This file contains the Cortex-M0+ specific parameters for the
+ * LPC8xx platform.
+ * (Taken from the device header file where possible)
+ * @{
+ */
+
+#ifndef _CMPARAMS_H_
+#define _CMPARAMS_H_
+
+#include "LPC8xx.h"
+
+/**
+ * @brief Cortex core model.
+ */
+#define CORTEX_MODEL __CORTEX_M
+
+/**
+ * @brief Systick unit presence.
+ */
+#define CORTEX_HAS_ST TRUE
+
+/**
+ * @brief Memory Protection unit presence.
+ */
+#define CORTEX_HAS_MPU __MPU_PRESENT
+
+/**
+ * @brief Number of bits in priority masks.
+ */
+#define CORTEX_PRIORITY_BITS __NVIC_PRIO_BITS
+
+#endif /* _CMPARAMS_H_ */
+
+/** @} */
diff --git a/os/ports/GCC/ARMCMx/LPC8xx/ld/LPC812.ld b/os/ports/GCC/ARMCMx/LPC8xx/ld/LPC812.ld new file mode 100644 index 000000000..9121f89a2 --- /dev/null +++ b/os/ports/GCC/ARMCMx/LPC8xx/ld/LPC812.ld @@ -0,0 +1,150 @@ +/*
+ ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010,
+ 2011,2012,2013 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/>.
+*/
+
+/*
+ * LPC812 memory setup.
+ */
+__main_stack_size__ = 0x0200;
+__process_stack_size__ = 0x0200;
+
+MEMORY
+{
+ flash : org = 0x00000000, len = 16k
+ ram : org = 0x10000000, len = 4k
+}
+
+__ram_start__ = ORIGIN(ram);
+__ram_size__ = LENGTH(ram);
+__ram_end__ = __ram_start__ + __ram_size__;
+
+SECTIONS
+{
+ . = 0;
+ _text = .;
+
+ startup : ALIGN(16) SUBALIGN(16)
+ {
+ KEEP(*(vectors))
+ } > flash
+
+ constructors : ALIGN(4) SUBALIGN(4)
+ {
+ PROVIDE(__init_array_start = .);
+ KEEP(*(SORT(.init_array.*)))
+ KEEP(*(.init_array))
+ PROVIDE(__init_array_end = .);
+ } > flash
+
+ destructors : ALIGN(4) SUBALIGN(4)
+ {
+ PROVIDE(__fini_array_start = .);
+ KEEP(*(.fini_array))
+ KEEP(*(SORT(.fini_array.*)))
+ PROVIDE(__fini_array_end = .);
+ } > flash
+
+ .text : ALIGN(16) SUBALIGN(16)
+ {
+ *(.text.startup.*)
+ *(.text)
+ *(.text.*)
+ *(.rodata)
+ *(.rodata.*)
+ *(.glue_7t)
+ *(.glue_7)
+ *(.gcc*)
+ } > flash
+
+ .ARM.extab :
+ {
+ *(.ARM.extab* .gnu.linkonce.armextab.*)
+ } > flash
+
+ .ARM.exidx : {
+ PROVIDE(__exidx_start = .);
+ *(.ARM.exidx* .gnu.linkonce.armexidx.*)
+ PROVIDE(__exidx_end = .);
+ } > flash
+
+ .eh_frame_hdr :
+ {
+ *(.eh_frame_hdr)
+ } > flash
+
+ .eh_frame : ONLY_IF_RO
+ {
+ *(.eh_frame)
+ } > flash
+
+ .textalign : ONLY_IF_RO
+ {
+ . = ALIGN(8);
+ } > flash
+
+ _etext = .;
+ _textdata = _etext;
+
+ .stacks :
+ {
+ . = ALIGN(8);
+ __main_stack_base__ = .;
+ . += __main_stack_size__;
+ . = ALIGN(8);
+ __main_stack_end__ = .;
+ __process_stack_base__ = .;
+ __main_thread_stack_base__ = .;
+ . += __process_stack_size__;
+ . = ALIGN(8);
+ __process_stack_end__ = .;
+ __main_thread_stack_end__ = .;
+ } > ram
+
+ .data :
+ {
+ . = ALIGN(4);
+ PROVIDE(_data = .);
+ *(.data)
+ . = ALIGN(4);
+ *(.data.*)
+ . = ALIGN(4);
+ *(.ramtext)
+ . = ALIGN(4);
+ PROVIDE(_edata = .);
+ } > ram AT > flash
+
+ .bss :
+ {
+ . = ALIGN(4);
+ PROVIDE(_bss_start = .);
+ *(.bss)
+ . = ALIGN(4);
+ *(.bss.*)
+ . = ALIGN(4);
+ *(COMMON)
+ . = ALIGN(4);
+ PROVIDE(_bss_end = .);
+ } > ram
+}
+
+PROVIDE(end = .);
+_end = .;
+
+__heap_base__ = _end;
+__heap_end__ = __ram_end__;
diff --git a/os/ports/GCC/ARMCMx/LPC8xx/port.mk b/os/ports/GCC/ARMCMx/LPC8xx/port.mk new file mode 100644 index 000000000..9353ee68b --- /dev/null +++ b/os/ports/GCC/ARMCMx/LPC8xx/port.mk @@ -0,0 +1,15 @@ +# List of the ChibiOS/RT Cortex-M0 LPC8xx port files.
+PORTSRC = $(CHIBIOS)/os/ports/GCC/ARMCMx/crt0.c \
+ $(CHIBIOS)/os/ports/GCC/ARMCMx/LPC8xx/vectors.c \
+ ${CHIBIOS}/os/ports/GCC/ARMCMx/chcore.c \
+ ${CHIBIOS}/os/ports/GCC/ARMCMx/chcore_v6m.c \
+ ${CHIBIOS}/os/ports/common/ARMCMx/nvic.c
+
+PORTASM =
+
+PORTINC = ${CHIBIOS}/os/ports/common/ARMCMx/CMSIS/include \
+ ${CHIBIOS}/os/ports/common/ARMCMx \
+ ${CHIBIOS}/os/ports/GCC/ARMCMx \
+ ${CHIBIOS}/os/ports/GCC/ARMCMx/LPC8xx
+
+PORTLD = ${CHIBIOS}/os/ports/GCC/ARMCMx/LPC8xx/ld
diff --git a/os/ports/GCC/ARMCMx/LPC8xx/vectors.c b/os/ports/GCC/ARMCMx/LPC8xx/vectors.c new file mode 100644 index 000000000..f4685dae8 --- /dev/null +++ b/os/ports/GCC/ARMCMx/LPC8xx/vectors.c @@ -0,0 +1,199 @@ +/*
+ ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010,
+ 2011,2012,2013 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/>.
+*/
+
+/**
+ * @file GCC/ARMCMx/LPC8xx/vectors.c
+ * @brief Interrupt vectors for the LPC8xx family.
+ *
+ * @defgroup ARMCMx_LPC8xx_VECTORS LPC8xx Interrupt Vectors
+ * @ingroup ARMCMx_SPECIFIC
+ * @details Interrupt vectors for the LPC8xx family.
+ * @{
+ */
+
+#include "ch.h"
+
+/**
+ * @brief Type of an IRQ vector.
+ */
+typedef void (*irq_vector_t)(void);
+
+/**
+ * @brief Type of a structure representing the whole vectors table.
+ */
+typedef struct {
+ uint32_t *init_stack;
+ irq_vector_t reset_vector;
+ irq_vector_t nmi_vector;
+ irq_vector_t hardfault_vector;
+ irq_vector_t memmanage_vector;
+ irq_vector_t busfault_vector;
+ irq_vector_t usagefault_vector;
+ irq_vector_t vector1c;
+ irq_vector_t vector20;
+ irq_vector_t vector24;
+ irq_vector_t vector28;
+ irq_vector_t svcall_vector;
+ irq_vector_t debugmonitor_vector;
+ irq_vector_t vector34;
+ irq_vector_t pendsv_vector;
+ irq_vector_t systick_vector;
+ irq_vector_t vectors[32];
+} vectors_t;
+
+#if !defined(__DOXYGEN__)
+extern uint32_t __main_stack_end__;
+extern void ResetHandler(void);
+extern void NMIVector(void);
+extern void HardFaultVector(void);
+extern void Vector10(void);
+extern void Vector14(void);
+extern void Vector18(void);
+extern void Vector1C(void);
+extern void Vector20(void);
+extern void Vector24(void);
+extern void Vector28(void);
+extern void SVCallVector(void);
+extern void Vector30(void);
+extern void Vector34(void);
+extern void PendSVVector(void);
+extern void SysTickVector(void);
+
+extern void Vector40(void);
+extern void Vector44(void);
+extern void Vector48(void);
+extern void Vector4C(void);
+extern void Vector50(void);
+extern void Vector54(void);
+extern void Vector58(void);
+extern void Vector5C(void);
+extern void Vector60(void);
+extern void Vector64(void);
+extern void Vector68(void);
+extern void Vector6C(void);
+extern void Vector70(void);
+extern void Vector74(void);
+extern void Vector78(void);
+extern void Vector7C(void);
+extern void Vector80(void);
+extern void Vector84(void);
+extern void Vector88(void);
+extern void Vector8C(void);
+extern void Vector90(void);
+extern void Vector94(void);
+extern void Vector98(void);
+extern void Vector9C(void);
+extern void VectorA0(void);
+extern void VectorA4(void);
+extern void VectorA8(void);
+extern void VectorAC(void);
+extern void VectorB0(void);
+extern void VectorB4(void);
+extern void VectorB8(void);
+extern void VectorBC(void);
+#endif
+
+/**
+ * @brief LPC8xx vectors table.
+ */
+#if !defined(__DOXYGEN__)
+__attribute__ ((section("vectors")))
+#endif
+vectors_t _vectors = {
+ &__main_stack_end__,ResetHandler, NMIVector, HardFaultVector,
+ Vector10, Vector14, Vector18, Vector1C,
+ Vector20, Vector24, Vector28, SVCallVector,
+ Vector30, Vector34, PendSVVector, SysTickVector,
+ {
+ Vector40, Vector44, Vector48, Vector4C,
+ Vector50, Vector54, Vector58, Vector5C,
+ Vector60, Vector64, Vector68, Vector6C,
+ Vector70, Vector74, Vector78, Vector7C,
+ Vector80, Vector84, Vector88, Vector8C,
+ Vector90, Vector94, Vector98, Vector9C,
+ VectorA0, VectorA4, VectorA8, VectorAC,
+ VectorB0, VectorB4, VectorB8, VectorBC
+ }
+};
+
+/**
+ * @brief Unhandled exceptions handler.
+ * @details Any undefined exception vector points to this function by default.
+ * This function simply stops the system into an infinite loop.
+ *
+ * @notapi
+ */
+#if !defined(__DOXYGEN__)
+__attribute__ ((naked))
+#endif
+void _unhandled_exception(void) {
+
+ while (TRUE)
+ ;
+}
+
+void NMIVector(void) __attribute__((weak, alias("_unhandled_exception")));
+void HardFaultVector(void) __attribute__((weak, alias("_unhandled_exception")));
+void Vector10(void) __attribute__((weak, alias("_unhandled_exception")));
+void Vector14(void) __attribute__((weak, alias("_unhandled_exception")));
+void Vector18(void) __attribute__((weak, alias("_unhandled_exception")));
+void Vector1C(void) __attribute__((weak, alias("_unhandled_exception")));
+void Vector20(void) __attribute__((weak, alias("_unhandled_exception")));
+void Vector24(void) __attribute__((weak, alias("_unhandled_exception")));
+void Vector28(void) __attribute__((weak, alias("_unhandled_exception")));
+void SVCallVector(void) __attribute__((weak, alias("_unhandled_exception")));
+void Vector30(void) __attribute__((weak, alias("_unhandled_exception")));
+void Vector34(void) __attribute__((weak, alias("_unhandled_exception")));
+void PendSVVector(void) __attribute__((weak, alias("_unhandled_exception")));
+void SysTickVector(void) __attribute__((weak, alias("_unhandled_exception")));
+void Vector40(void) __attribute__((weak, alias("_unhandled_exception")));
+void Vector44(void) __attribute__((weak, alias("_unhandled_exception")));
+void Vector48(void) __attribute__((weak, alias("_unhandled_exception")));
+void Vector4C(void) __attribute__((weak, alias("_unhandled_exception")));
+void Vector50(void) __attribute__((weak, alias("_unhandled_exception")));
+void Vector54(void) __attribute__((weak, alias("_unhandled_exception")));
+void Vector58(void) __attribute__((weak, alias("_unhandled_exception")));
+void Vector5C(void) __attribute__((weak, alias("_unhandled_exception")));
+void Vector60(void) __attribute__((weak, alias("_unhandled_exception")));
+void Vector64(void) __attribute__((weak, alias("_unhandled_exception")));
+void Vector68(void) __attribute__((weak, alias("_unhandled_exception")));
+void Vector6C(void) __attribute__((weak, alias("_unhandled_exception")));
+void Vector70(void) __attribute__((weak, alias("_unhandled_exception")));
+void Vector74(void) __attribute__((weak, alias("_unhandled_exception")));
+void Vector78(void) __attribute__((weak, alias("_unhandled_exception")));
+void Vector7C(void) __attribute__((weak, alias("_unhandled_exception")));
+void Vector80(void) __attribute__((weak, alias("_unhandled_exception")));
+void Vector84(void) __attribute__((weak, alias("_unhandled_exception")));
+void Vector88(void) __attribute__((weak, alias("_unhandled_exception")));
+void Vector8C(void) __attribute__((weak, alias("_unhandled_exception")));
+void Vector90(void) __attribute__((weak, alias("_unhandled_exception")));
+void Vector94(void) __attribute__((weak, alias("_unhandled_exception")));
+void Vector98(void) __attribute__((weak, alias("_unhandled_exception")));
+void Vector9C(void) __attribute__((weak, alias("_unhandled_exception")));
+void VectorA0(void) __attribute__((weak, alias("_unhandled_exception")));
+void VectorA4(void) __attribute__((weak, alias("_unhandled_exception")));
+void VectorA8(void) __attribute__((weak, alias("_unhandled_exception")));
+void VectorAC(void) __attribute__((weak, alias("_unhandled_exception")));
+void VectorB0(void) __attribute__((weak, alias("_unhandled_exception")));
+void VectorB4(void) __attribute__((weak, alias("_unhandled_exception")));
+void VectorB8(void) __attribute__((weak, alias("_unhandled_exception")));
+void VectorBC(void) __attribute__((weak, alias("_unhandled_exception")));
+
+/** @} */
diff --git a/os/ports/GCC/ARMCMx/rules.mk b/os/ports/GCC/ARMCMx/rules.mk index 33531d201..f3cf0e264 100644 --- a/os/ports/GCC/ARMCMx/rules.mk +++ b/os/ports/GCC/ARMCMx/rules.mk @@ -62,9 +62,9 @@ ASXFLAGS = $(MCFLAGS) -Wa,-amhls=$(LSTDIR)/$(notdir $(<:.S=.lst)) $(ADEFS) CFLAGS = $(MCFLAGS) $(OPT) $(COPT) $(CWARN) -Wa,-alms=$(LSTDIR)/$(notdir $(<:.c=.lst)) $(DEFS)
CPPFLAGS = $(MCFLAGS) $(OPT) $(CPPOPT) $(CPPWARN) -Wa,-alms=$(LSTDIR)/$(notdir $(<:.cpp=.lst)) $(DEFS)
ifeq ($(USE_LINK_GC),yes)
- LDFLAGS = $(MCFLAGS) -nostartfiles -T$(LDSCRIPT) -Wl,-Map=$(BUILDDIR)/$(PROJECT).map,--cref,--no-warn-mismatch,--gc-sections $(LLIBDIR)
+ LDFLAGS = --specs=nano.specs $(MCFLAGS) -nostartfiles -T$(LDSCRIPT) -Wl,-Map=$(BUILDDIR)/$(PROJECT).map,--cref,--no-warn-mismatch,--gc-sections $(LLIBDIR)
else
- LDFLAGS = $(MCFLAGS) -nostartfiles -T$(LDSCRIPT) -Wl,-Map=$(BUILDDIR)/$(PROJECT).map,--cref,--no-warn-mismatch $(LLIBDIR)
+ LDFLAGS = --specs=nano.specs $(MCFLAGS) -nostartfiles -T$(LDSCRIPT) -Wl,-Map=$(BUILDDIR)/$(PROJECT).map,--cref,--no-warn-mismatch $(LLIBDIR)
endif
# Thumb interwork enabled only if needed because it kills performance.
|