3 files changed, 28 insertions, 0 deletions
diff --git a/newlib/libc/include/machine/ieeefp.h b/newlib/libc/include/machine/ieeefp.h
index 65f1c1050..5554c65df 100644
--- a/newlib/libc/include/machine/ieeefp.h
+++ b/newlib/libc/include/machine/ieeefp.h
@@ -360,6 +360,11 @@
 
 #endif
 
+#if (defined(__CR16__) || defined(__CR16C__) ||defined(__CR16CP__))
+#define __IEEE_LITTLE_ENDIAN
+#define __SMALL_BITFIELDS	/* 16 Bit INT */
+#endif
+
 #ifndef __IEEE_BIG_ENDIAN
 #ifndef __IEEE_LITTLE_ENDIAN
 #error Endianess not declared!!
diff --git a/newlib/libc/include/machine/setjmp.h b/newlib/libc/include/machine/setjmp.h
index 428ef2906..a46996511 100644
--- a/newlib/libc/include/machine/setjmp.h
+++ b/newlib/libc/include/machine/setjmp.h
@@ -204,6 +204,13 @@ _BEGIN_STD_C
 #define _JBLEN 9
 #endif
 
+#if (defined(__CR16__) || defined(__CR16C__) ||defined(__CR16CP__))
+/* r6, r7, r8, r9, r10, r11, r12 (r12L, r12H), 
+ * r13 (r13L, r13H), ra(raL, raH), sp(spL, spH) */
+#define _JBLEN 14
+#define _JBTYPE unsigned short
+#endif
+
 #ifdef __fr30__
 #define _JBLEN 10
 #endif
diff --git a/newlib/libc/include/sys/config.h b/newlib/libc/include/sys/config.h
index 71f9d281d..49c81f915 100644
--- a/newlib/libc/include/sys/config.h
+++ b/newlib/libc/include/sys/config.h
@@ -30,6 +30,22 @@
 #define UINT_MAX (__INT_MAX__ * 2U + 1)
 #endif
 
+#if (defined(__CR16__) || defined(__CR16C__) ||defined(__CR16CP__))
+#ifndef __INT32__
+#define __SMALL_BITFIELDS      
+#undef INT_MAX
+#undef UINT_MAX
+#define INT_MAX 32767
+#define UINT_MAX (__INT_MAX__ * 2U + 1)
+#else /* INT32 */
+#undef INT_MAX
+#undef UINT_MAX
+#define INT_MAX 2147483647
+#define UINT_MAX (__INT_MAX__ * 2U + 1)
+#endif /* INT32 */
+
+#endif /* CR16C */
+
 #if defined (__xc16x__) || defined (__xc16xL__) || defined (__xc16xS__)
 #define __SMALL_BITFIELDS
 #endif