| To: | "Maciej W. Rozycki" <macro@ds2.pg.gda.pl> |
|---|---|
| Subject: | Re: User applications |
| From: | Ralf Baechle <ralf@oss.sgi.com> |
| Date: | Mon, 8 Jan 2001 15:42:32 -0200 |
| Cc: | Carsten Langgaard <carstenl@mips.com>, "Kevin D. Kissell" <kevink@mips.com>, linux-mips@oss.sgi.com, Michael Shmulevich <michaels@jungo.com> |
| In-reply-to: | <Pine.GSO.3.96.1010108173437.23234L-100000@delta.ds2.pg.gda.pl>; from macro@ds2.pg.gda.pl on Mon, Jan 08, 2001 at 05:40:23PM +0100 |
| References: | <3A59E978.873182CB@mips.com> <Pine.GSO.3.96.1010108173437.23234L-100000@delta.ds2.pg.gda.pl> |
| Sender: | owner-linux-mips@oss.sgi.com |
| User-agent: | Mutt/1.2.5i |
On Mon, Jan 08, 2001 at 05:40:23PM +0100, Maciej W. Rozycki wrote: > > What we need is a mechanism to partial invalidate the I-cache and a > > mechanism > > to write-back and/or invalidate the D-cache. > > What's wrong with the already mentioned cachectl? > > $ mipsel-linux-objdump -T /usr/mipsel-linux/lib/libc-2.2.so | grep cachectl > 00000000600ca0a0 w DF *ABS* 0000000000000000 GLIBC_2.0 cachectl > $ ls /usr/mipsel-linux/include/sys/cachectl.h > /usr/mipsel-linux/include/sys/cachectl.h cachectl(2) is a syscall that is manipulates the cachability of a memory area. And not yet implemented ... Ralf |
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