Date: Tue, 21 May 2013 11:07:12 +0000 (UTC) From: Konstantin Belousov <kib@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r250850 - head/sys/amd64/amd64 Message-ID: <201305211107.r4LB7Cdt047039@svn.freebsd.org>
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Author: kib Date: Tue May 21 11:07:12 2013 New Revision: 250850 URL: http://svnweb.freebsd.org/changeset/base/250850 Log: Add amd64-specific ddb command 'show phys2dmap', which calculates the address in the direct map corresponding to the given physical address. Reviewed by: jhb Sponsored by: The FreeBSD Foundation MFC after: 1 week Modified: head/sys/amd64/amd64/pmap.c Modified: head/sys/amd64/amd64/pmap.c ============================================================================== --- head/sys/amd64/amd64/pmap.c Tue May 21 11:04:00 2013 (r250849) +++ head/sys/amd64/amd64/pmap.c Tue May 21 11:07:12 2013 (r250850) @@ -5535,4 +5535,16 @@ DB_SHOW_COMMAND(pte, pmap_print_pte) pte = pmap_pde_to_pte(pde, va); db_printf(" pte %#016lx\n", *pte); } + +DB_SHOW_COMMAND(phys2dmap, pmap_phys2dmap) +{ + vm_paddr_t a; + + if (have_addr) { + a = (vm_paddr_t)addr; + db_printf("0x%jx\n", (uintmax_t)PHYS_TO_DMAP(a)); + } else { + db_printf("show phys2dmap addr\n"); + } +} #endif
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