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| author | kib <kib@FreeBSD.org> | 2013-05-21 11:07:12 +0000 |
|---|---|---|
| committer | kib <kib@FreeBSD.org> | 2013-05-21 11:07:12 +0000 |
| commit | 5ee265a48b9d84470be16cf6a33fb09cd280a92a (patch) | |
| tree | 461a41eef9da99ee38d9ea58f56be7b2fe696451 /sys/amd64 | |
| parent | f8c66c9055c669f366e04b67bc673f48e8793869 (diff) | |
| download | FreeBSD-src-5ee265a48b9d84470be16cf6a33fb09cd280a92a.zip FreeBSD-src-5ee265a48b9d84470be16cf6a33fb09cd280a92a.tar.gz | |
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
Diffstat (limited to 'sys/amd64')
| -rw-r--r-- | sys/amd64/amd64/pmap.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/sys/amd64/amd64/pmap.c b/sys/amd64/amd64/pmap.c index 1b1c86c..ebb184e 100644 --- a/sys/amd64/amd64/pmap.c +++ b/sys/amd64/amd64/pmap.c @@ -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 |
