From: Ulrich Drepper <drepper@redhat.com>
Date: Sat, 18 Dec 1999 23:03:32 +0000 (+0000)
Subject: (CLEAR_CACHE): New macro to force a cache flush.
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=68a98ffb56996249a1181fb31b98c53961bc9699;p=thirdparty%2Fglibc.git

(CLEAR_CACHE): New macro to force a cache flush.
---

diff --git a/sysdeps/arm/dl-machine.h b/sysdeps/arm/dl-machine.h
index ed95700453d..cce21a3f72f 100644
--- a/sysdeps/arm/dl-machine.h
+++ b/sysdeps/arm/dl-machine.h
@@ -35,6 +35,14 @@
   VALID_ELF_ABIVERSION(hdr[EI_ABIVERSION]) \
 )
 
+#define CLEAR_CACHE(BEG,END)						\
+{									\
+  register unsigned long _beg __asm ("a1") = (unsigned long)(BEG);	\
+  register unsigned long _end __asm ("a2") = (unsigned long)((END) - (BEG));\
+  register unsigned long _flg __asm ("a3") = 0;				\
+  __asm __volatile ("swi 0x9f0002");					\
+}
+
 /* Return nonzero iff E_MACHINE is compatible with the running host.  */
 static inline int __attribute__ ((unused))
 elf_machine_matches_host (Elf32_Half e_machine)