Date: Fri, 14 Nov 2003 11:05:48 -0800 (PST) From: Peter Wemm <peter@FreeBSD.org> To: Perforce Change Reviews <perforce@freebsd.org> Subject: PERFORCE change 42357 for review Message-ID: <200311141905.hAEJ5m39059713@repoman.freebsd.org>
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http://perforce.freebsd.org/chv.cgi?CH=42357 Change 42357 by peter@peter_daintree on 2003/11/14 11:05:42 Update comments (from i386) Affected files ... .. //depot/projects/hammer/sys/amd64/isa/icu.h#10 edit Differences ... ==== //depot/projects/hammer/sys/amd64/isa/icu.h#10 (text+ko) ==== @@ -107,9 +107,9 @@ #define OCW2_R 0x80 /* EOI mode */ /* Operation control word type 3. Bit 3 (0x08) must be set. Even address. */ -#define OCW3_RIS 0x01 -#define OCW3_RR 0x02 -#define OCW3_P 0x04 +#define OCW3_RIS 0x01 /* 1 = read IS, 0 = read IR */ +#define OCW3_RR 0x02 /* register read */ +#define OCW3_P 0x04 /* poll mode command */ /* 0x08 must be 1 to select OCW3 vs OCW2 */ #define OCW3_SEL 0x08 /* must be 1 */ /* 0x10 must be 0 to select OCW3 vs ICW1 */
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