Initial LPC8xx port

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@5376 35acf78f-673a-0410-8e92-d51de3d6d3f4

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.