Author: cem Date: Sat Jan 13 17:55:22 2018 New Revision: 327932 URL: https://svnweb.freebsd.org/changeset/base/327932
Log: amd64: Add a 48-bit MAXADDR constant Some devices (e.g., ccp(4) -- to be committed) can only access the low 48 bits of physical memory. Reviewed by: markj Sponsored by: Dell EMC Isilon Modified: head/sys/x86/include/bus.h Modified: head/sys/x86/include/bus.h ============================================================================== --- head/sys/x86/include/bus.h Sat Jan 13 17:52:55 2018 (r327931) +++ head/sys/x86/include/bus.h Sat Jan 13 17:55:22 2018 (r327932) @@ -118,6 +118,7 @@ #define BUS_SPACE_MAXADDR_24BIT 0xFFFFFF #define BUS_SPACE_MAXADDR_32BIT 0xFFFFFFFF #if defined(__amd64__) || defined(PAE) +#define BUS_SPACE_MAXADDR_48BIT 0xFFFFFFFFFFFFULL #define BUS_SPACE_MAXADDR 0xFFFFFFFFFFFFFFFFULL #else #define BUS_SPACE_MAXADDR 0xFFFFFFFF _______________________________________________ svn-src-head@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-head To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"
