Date: Sat, 11 May 2019 23:26:19 +0200 From: Andreas Tobler <andreast-list@fgznet.ch> To: Mark Millard <marklmi@yahoo.com>, FreeBSD PowerPC ML <freebsd-ppc@freebsd.org> Subject: Re: 970/PowerMac G5 cpudep_ap_bootstrap slb-related hangup *solved* . . . Message-ID: <73ec1772-adeb-a501-a8ff-91b22cfbb1ff@fgznet.ch> In-Reply-To: <C3272E01-41D8-4E4C-8F4B-CF9DC6E37B3D@yahoo.com> References: <2E7A0894-E5B0-4776-95F2-76B7EE0EE93C@yahoo.com> <C3272E01-41D8-4E4C-8F4B-CF9DC6E37B3D@yahoo.com>
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On 10.05.19 12:23, Mark Millard via freebsd-ppc wrote:
>
> Of course, whitespace details, may not be well preserved
> below. (The commenting out of the two #if/#endif lines
> was unnecessary and is not done in the below.)
>
> # svnlite diff /mnt/usr/src/sys/ | more
> Index: /mnt/usr/src/sys/powerpc/aim/mp_cpudep.c
> ===================================================================
> --- /mnt/usr/src/sys/powerpc/aim/mp_cpudep.c (revision 347003)
> +++ /mnt/usr/src/sys/powerpc/aim/mp_cpudep.c (working copy)
> @@ -68,6 +68,46 @@
> case IBM970:
> case IBM970FX:
> case IBM970MP:
> + /* Set HIOR to 0 */
> + __asm __volatile("mtspr 311,%0" :: "r"(0));
> + powerpc_sync();
Thank you for this incredible investigation! My quad is now under heavy
load and behaves as expected.
Andreas
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