| To: | Atsushi Nemoto <anemo@mba.ocn.ne.jp> |
|---|---|
| Subject: | Re: [MIPS] Check FCSR for pending interrupts before restoring from a context. |
| From: | "Maciej W. Rozycki" <macro@linux-mips.org> |
| Date: | Wed, 7 Feb 2007 17:29:02 +0000 (GMT) |
| Cc: | ralf@linux-mips.org, linux-mips@linux-mips.org |
| In-reply-to: | <20070208.012216.103777705.anemo@mba.ocn.ne.jp> |
| Original-recipient: | rfc822;linux-mips@linux-mips.org |
| References: | <S20038814AbXBEQMb/20070205161231Z+24864@ftp.linux-mips.org> <20070207.133809.71085888.nemoto@toshiba-tops.co.jp> <20070207110929.GA17660@linux-mips.org> <20070208.012216.103777705.anemo@mba.ocn.ne.jp> |
| Sender: | linux-mips-bounce@linux-mips.org |
On Thu, 8 Feb 2007, Atsushi Nemoto wrote: > If the format of FCSR was common to all CPU (I hope so), we can do > check it in caller of fp_restore_context(), in C language. The R3010, etc. use bits 23 and 17:0 the same way as the R4000 and MIPS architecture processors do. The other bits are unused and hardwired to zeroes. Maciej |
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