Date: Mon, 28 Apr 2014 02:35:29 +0000 (UTC) From: Ian Lepore <ian@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r265036 - head/sys/arm/arm Message-ID: <201404280235.s3S2ZTGN079205@svn.freebsd.org>
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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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