diff --git a/c/src/lib/libbsp/sparc/leon2/ChangeLog b/c/src/lib/libbsp/sparc/leon2/ChangeLog
index c047190d90..cc51826fec 100644
--- a/c/src/lib/libbsp/sparc/leon2/ChangeLog
+++ b/c/src/lib/libbsp/sparc/leon2/ChangeLog
@@ -1,3 +1,8 @@
+2011-02-11	Ralf Corsépius <ralf.corsepius@rtems.org>
+
+	* cchip/cchip.c, include/tm27.h, startup/spurious.c:
+	Use "__asm__" instead of "asm" for improved c99-compliance.
+
 2011-02-09	Ralf Corsépius <ralf.corsepius@rtems.org>
 
 	* timer/timer.c: Include <rtems/btimer.h>.
diff --git a/c/src/lib/libbsp/sparc/leon2/cchip/cchip.c b/c/src/lib/libbsp/sparc/leon2/cchip/cchip.c
index e0c6364c66..59c17dd9ff 100644
--- a/c/src/lib/libbsp/sparc/leon2/cchip/cchip.c
+++ b/c/src/lib/libbsp/sparc/leon2/cchip/cchip.c
@@ -38,7 +38,7 @@ void cchip1_set_isr(void *handler, int irqno, void *arg);
 #define READ_REG(address) _READ_REG((unsigned int)address)
 static __inline__ unsigned int _READ_REG(unsigned int addr) {
 	unsigned int tmp;
-	asm("lda [%1]1, %0 "
+	__asm__ ("lda [%1]1, %0 "
 	  : "=r"(tmp)
 	  : "r"(addr)
 	);
diff --git a/c/src/lib/libbsp/sparc/leon2/include/tm27.h b/c/src/lib/libbsp/sparc/leon2/include/tm27.h
index db26a82b19..dd47db72bb 100644
--- a/c/src/lib/libbsp/sparc/leon2/include/tm27.h
+++ b/c/src/lib/libbsp/sparc/leon2/include/tm27.h
@@ -39,7 +39,7 @@
   set_vector( (handler), TEST_VECTOR, 1 );
 
 #define Cause_tm27_intr() \
-  asm volatile( "ta 0x10; nop " );
+  __asm__ volatile( "ta 0x10; nop " );
 
 #define Clear_tm27_intr() /* empty */
 
diff --git a/c/src/lib/libbsp/sparc/leon2/startup/spurious.c b/c/src/lib/libbsp/sparc/leon2/startup/spurious.c
index ef4bf8053b..d745aab0f7 100644
--- a/c/src/lib/libbsp/sparc/leon2/startup/spurious.c
+++ b/c/src/lib/libbsp/sparc/leon2/startup/spurious.c
@@ -109,7 +109,7 @@ rtems_isr bsp_spurious_handler(
    *  What else can we do but stop ...
    */
 
-  asm volatile( "mov 1, %g1; ta 0x0" );
+  __asm__ volatile( "mov 1, %g1; ta 0x0" );
 }
 
 /*