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
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