svn commit: r265036 - head/sys/arm/arm

[Ian Lepore]

Author: ian
Date: Mon Apr 28 02:35:28 2014
New Revision: 265036
URL: http://svnweb.freebsd.org/changeset/base/265036

Log:
  Don't use multiprocessing-extensions instruction on processors that don't
  support SMP.
  
  Submitted by:	loos@
  Pointy hat to:	me

Modified:
  head/sys/arm/arm/cpufunc_asm_armv7.S

Modified: head/sys/arm/arm/cpufunc_asm_armv7.S
==============================================================================
--- head/sys/arm/arm/cpufunc_asm_armv7.S	Sun Apr 27 23:47:38 2014	(r265035)
+++ head/sys/arm/arm/cpufunc_asm_armv7.S	Mon Apr 28 02:35:28 2014	(r265036)
@@ -251,7 +251,11 @@ ENTRY(armv7_idcache_wbinv_range)
 END(armv7_idcache_wbinv_range)
 
 ENTRY_NP(armv7_icache_sync_all)
+#ifdef SMP
 	mcr	p15, 0, r0, c7, c1, 0	/* Invalidate all I cache to PoU Inner Shareable */
+#else
+	mcr	p15, 0, r0, c7, c5, 0	/* Invalidate all I cache to PoU (ICIALLU) */
+#endif
 	isb				/* instruction synchronization barrier */
 	dsb				/* data synchronization barrier */
 	RET