From: Ulrich Drepper <drepper@redhat.com>
Date: Sat, 18 Dec 1999 23:40:50 +0000 (+0000)
Subject: (CLEAR_CACHE): New macro to force a cache flush.
X-Git-Tag: glibc-2.16-ports-before-merge~2787
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=9d1306dd216960a60dfb951c1385bf05b7a20512;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 2e6faf5d51d..de2d0babf58 100644
--- a/sysdeps/arm/dl-machine.h
+++ b/sysdeps/arm/dl-machine.h
@@ -32,6 +32,14 @@
   && VALID_ELF_OSABI (hdr[EI_OSABI]) \
   && 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)