Date: Sat, 27 May 2017 08:13:44 +0000 From: bugzilla-noreply@freebsd.org To: freebsd-bugs@FreeBSD.org Subject: [Bug 219589] head -r317820 (e.g.); stable/11: TARGET_ARCH=powerpc needs a (somewhat dynamic) variant of powerpc64's 205458 fix if PowerMac G5's are to be supported Message-ID: <bug-219589-8-9ONEQzLqqo@https.bugs.freebsd.org/bugzilla/> In-Reply-To: <bug-219589-8@https.bugs.freebsd.org/bugzilla/> References: <bug-219589-8@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D219589 --- Comment #1 from Mark Millard <markmi@dsl-only.net> --- (In reply to Mark Millard from comment #0) I expect that the following patch would fix the problem: # svnlite diff /usr/src/sys/powerpc/ofw/ofw_machdep.c Index: /usr/src/sys/powerpc/ofw/ofw_machdep.c =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D --- /usr/src/sys/powerpc/ofw/ofw_machdep.c (revision 317820) +++ /usr/src/sys/powerpc/ofw/ofw_machdep.c (working copy) @@ -147,7 +147,8 @@ * PCPU data cannot be used until this routine is called ! */ #ifndef __powerpc64__ - __asm __volatile("mtsprg0 %0" :: "r"(ofw_sprg0_save)); + if (cpu_features & PPC_FEATURE_64 !=3D PPC_FEATURE_64) + __asm __volatile("mtsprg0 %0" :: "r"(ofw_sprg0_save)); #endif } #endif This is based oncpu_features already having had PPC_FEATURE_64 masked in before this if things are running on a PowerMac G5 or other powerpc64. --=20 You are receiving this mail because: You are the assignee for the bug.=
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