cpu: lpc2387: switch to newlib module

boards/msba2-common/Makefile.include

@@ -1,9 +1,12 @@
 ## the cpu to build for
 export CPU = lpc2387
 
+# Target triple for the build. Use arm-none-eabi if you are unsure.
+export TARGET_TRIPLE ?= arm-none-eabi
+
 # toolchain config
-export PREFIX = arm-none-eabi-
-#export PREFIX = arm-elf-
+export PREFIX = $(if $(TARGET_TRIPLE),$(TARGET_TRIPLE)-)
+
 export CC = $(PREFIX)gcc
 export CXX = $(PREFIX)g++
 export AR = $(PREFIX)ar

cpu/arm7_common/Makefile.include

@@ -1,3 +1 @@
 INCLUDES += -I$(RIOTBASE)/cpu/arm7_common/include/
-
-export UNDEF += $(BINDIR)arm7_common/syscalls.o

cpu/arm7_common/bootloader.c

@@ -79,7 +79,6 @@ void abtorigin(const char *vector, u_long *lnk_ptr1)
     printf("#!%s abort at %p (0x%08lX) originating from %p (0x%08lX) in mode 0x%X\n",
            vector, (void *)lnk_ptr1, *(lnk_ptr1), (void *)lnk_ptr2, *(lnk_ptr2), spsr
           );
-    stdio_flush();
 
     exit(1);
 }
@@ -178,10 +177,10 @@ void bootloader(void)
     /* board specific setup of i/o pins */
     bl_init_ports();
 
-    /* UART setup */
-    bl_uart_init();
-
-    puts("Board initialized.");
+#ifdef MODULE_NEWLIB
+    extern void __libc_init_array(void);
+    __libc_init_array();
+#endif
 }
 
 /** @} */

cpu/lpc2387/ldscripts/lpc2387.ld

@@ -237,9 +237,9 @@ SECTIONS
     __heap1_size = ORIGIN(ram) + LENGTH(ram) - . - __stack_size;
     .heap1 (NOLOAD) :
     {
-        PROVIDE(__heap1_start = .);
+        PROVIDE(_sheap = .);
         . = . + __heap1_size;
-        PROVIDE(__heap1_max = .);
+        PROVIDE(_eheap = .);
     } > ram
 
     /*

cpu/lpc2387/lpc_syscalls.c

@@ -1,68 +0,0 @@
-/*
- * syscalls.c - MCU dependent syscall implementation for LPCXXXX
- * Copyright (C) 2013 Oliver Hahm <oliver.hahm@inria.fr>
- *
- * This file is subject to the terms and conditions of the GNU Lesser
- * General Public License v2.1. See the file LICENSE in the top level
- * directory for more details.
- */
-
-#include <errno.h>
-#include <stdint.h>
-#include <sys/unistd.h>
-#include <stdio.h>
-#include "irq.h"
-
-/**
- * @name Heaps (defined in linker script)
- * @{
- */
-#define NUM_HEAPS   3
-
-extern uintptr_t __heap1_start;     ///< start of heap memory space
-extern uintptr_t __heap1_max;       ///< maximum for end of heap memory space
-extern uintptr_t __heap2_start;     ///< start of heap memory space
-extern uintptr_t __heap2_max;       ///< maximum for end of heap memory space
-extern uintptr_t __heap3_start;     ///< start of heap memory space
-extern uintptr_t __heap3_max;       ///< maximum for end of heap memory space
-
-/// current position in heap
-static caddr_t heap[NUM_HEAPS] = {(caddr_t)&__heap1_start,(caddr_t)&__heap3_start,(caddr_t)&__heap2_start}; // add heap3 before heap2 cause Heap3 address is lower then addr of heap2
-/// maximum position in heap
-static const caddr_t heap_max[NUM_HEAPS] = {(caddr_t)&__heap1_max,(caddr_t)&__heap3_max,(caddr_t)&__heap2_max};
-// start position in heap
-static const caddr_t heap_start[NUM_HEAPS] = {(caddr_t)&__heap1_start,(caddr_t)&__heap3_start,(caddr_t)&__heap2_start};
-
-/** @} */
-
-/*-----------------------------------------------------------------------------------*/
-void heap_stats(void)
-{
-    for(int i = 0; i < NUM_HEAPS; i++)
-        printf("# heap %i: %p -- %p -> %p (%li of %li free)\n", i, heap_start[i], heap[i], heap_max[i],
-            (uint32_t)heap_max[i] - (uint32_t)heap[i], (uint32_t)heap_max[i] - (uint32_t)heap_start[i]);
-}
-
-/*-----------------------------------------------------------------------------------*/
-caddr_t _sbrk_r(struct _reent *r, ptrdiff_t incr)
-{
-    uint32_t cpsr = disableIRQ();
-
-    /* check all heaps for a chunk of the requested size */
-    for (volatile uint8_t iUsedHeap = 0; iUsedHeap < NUM_HEAPS; iUsedHeap++ ) {
-        caddr_t new_heap = heap[iUsedHeap] + incr;
-
-        if( new_heap <= heap_max[iUsedHeap] ) {
-            caddr_t prev_heap = heap[iUsedHeap];
-            heap[iUsedHeap] = new_heap;
-
-            r->_errno = 0;
-            restoreIRQ(cpsr);
-            return prev_heap;
-        }
-    }
-    restoreIRQ(cpsr);
-
-    r->_errno = ENOMEM;
-    return NULL;
-}

cpu/mc1322x/Makefile.include

@@ -3,6 +3,6 @@ INCLUDES += -I$(RIOTCPU)/$(CPU)/maca/include
 
 include $(RIOTCPU)/arm7_common/Makefile.include
 
-export UNDEF += $(BINDIR)cpu/mc1322x_syscalls.o
+export UNDEF += $(BINDIR)cpu/mc1322x_syscalls.o $(BINDIR)cpu/syscalls.o
 
 export USEMODULE += arm7_common