Add capability to manager memory in discontiguous regions.

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@35 42af7a65-404d-4744-a932-0658087f49c3

5 files changed, 25 insertions, 3 deletions

diff --git a/nuttx/arch/pjrc-8051/src/up_allocateheap.c b/nuttx/arch/pjrc-8051/src/up_allocateheap.c
index 6f164f0d3..b6e6a0208 100644
--- a/nuttx/arch/pjrc-8051/src/up_allocateheap.c
+++ b/nuttx/arch/pjrc-8051/src/up_allocateheap.c
@@ -78,3 +78,10 @@ void up_allocate_heap(FAR void **heap_start, size_t *heap_size)
   *heap_start = (FAR void*)UP_HEAP1_BASE;
   *heap_size = UP_HEAP1_END - UP_HEAP1_BASE;
 }
+
+#if CONFIG_MM_REGIONS > 1
+void up_addregion(void)
+{
+  mm_addregion((FAR void*)UP_HEAP2_BASE, UP_HEAP2_END - UP_HEAP2_BASE);
+}
+#endif
\ No newline at end of file
diff --git a/nuttx/arch/pjrc-8051/src/up_assert.c b/nuttx/arch/pjrc-8051/src/up_assert.c
index b9ac5db43..0234e9ecd 100644
--- a/nuttx/arch/pjrc-8051/src/up_assert.c
+++ b/nuttx/arch/pjrc-8051/src/up_assert.c
@@ -75,6 +75,6 @@ void up_assert(void)
 
 void up_assert_code(int errorcode)
 {
-  dbg("Assertion failed with error code: %d\n", errcode);
+  dbg("Assertion failed with error code: %d\n", errorcode);
   exit(errorcode);
 }
diff --git a/nuttx/arch/pjrc-8051/src/up_initialize.c b/nuttx/arch/pjrc-8051/src/up_initialize.c
index ae297d585..5388882da 100644
--- a/nuttx/arch/pjrc-8051/src/up_initialize.c
+++ b/nuttx/arch/pjrc-8051/src/up_initialize.c
@@ -93,6 +93,12 @@ void up_initialize(void)
 
   g_irqtos = 0;
 
+  /* Add extra memory fragments to the memory manager */
+
+#if CONFIG_MM_REGIONS > 1
+  up_addregion();
+#endif
+
   /* Initialize the interrupt subsystem */
 
   up_irqinitialize();
diff --git a/nuttx/arch/pjrc-8051/src/up_internal.h b/nuttx/arch/pjrc-8051/src/up_internal.h
index 54320a288..25fa06243 100644
--- a/nuttx/arch/pjrc-8051/src/up_internal.h
+++ b/nuttx/arch/pjrc-8051/src/up_internal.h
@@ -102,7 +102,9 @@
  * when the following simple addtions do the job).
  */
 
+#ifndef __ASSEMBLY__
 sfr at 0xc9 T2MOD ;
+#endif
 
 /* Timing information.
  *
@@ -175,9 +177,12 @@ extern ubyte g_irqtos;
 
 #ifndef __ASSEMBLY__
 
+#if CONFIG_MM_REGIONS > 1
+extern void  up_addregion(void);
+#endif
 extern void  up_irqinitialize(void);
 extern void  up_restorecontext(FAR struct xcptcontext *context);
-extern void up_restorestack(FAR struct xcptcontext *context);
+extern void  up_restorestack(FAR struct xcptcontext *context);
 extern ubyte up_savecontext(FAR struct xcptcontext *context);
 extern void  up_savestack(FAR struct xcptcontext *context);
 extern void  up_timerinit(void);
diff --git a/nuttx/arch/pjrc-8051/src/up_putc.c b/nuttx/arch/pjrc-8051/src/up_putc.c
index d2e486829..95f25aa3b 100644
--- a/nuttx/arch/pjrc-8051/src/up_putc.c
+++ b/nuttx/arch/pjrc-8051/src/up_putc.c
@@ -48,7 +48,7 @@
 
 static void _up_putc(int ch) __naked
 {
-#if 0
+#if 1
   ch; /* To avoid unreferenced argument warning */
   _asm
         mov     a, dpl
@@ -73,6 +73,10 @@ cout:   jnb     ti, cout
 int up_putc(int ch)
 {
   _up_putc(ch);
+  if (ch == '\n')
+    {
+      _up_putc('\r');
+    }
   return ch;  
 }