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author | Brian S. Dean <bsd@FreeBSD.org> | 2001-06-28 02:08:13 +0000 |
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committer | Brian S. Dean <bsd@FreeBSD.org> | 2001-06-28 02:08:13 +0000 |
commit | 6eda157eaa3f7dc35ff109a4981eb4110e530b5d (patch) | |
tree | 5be0ec8cce68f03e921e4e1d2e96c1d0d9b6b38d /sys/amd64/amd64/support.S | |
parent | ffabd150130aa2c505d94100cc75e6ca14a7fa30 (diff) | |
download | src-6eda157eaa3f7dc35ff109a4981eb4110e530b5d.tar.gz src-6eda157eaa3f7dc35ff109a4981eb4110e530b5d.zip |
Provide access to the IA32 hardware debug registers from the ddb
kernel debugger. Proper use of these registers allows setting
hardware watchpoints for use in kernel debugging.
MFC after: 2 weeks
Notes
Notes:
svn path=/head/; revision=78903
Diffstat (limited to 'sys/amd64/amd64/support.S')
-rw-r--r-- | sys/amd64/amd64/support.S | 6 |
1 files changed, 0 insertions, 6 deletions
diff --git a/sys/amd64/amd64/support.S b/sys/amd64/amd64/support.S index 70cc1441fc1b..321877432488 100644 --- a/sys/amd64/amd64/support.S +++ b/sys/amd64/amd64/support.S @@ -1627,12 +1627,6 @@ ENTRY(load_cr4) movl %eax,%cr4 ret -/* void load_dr6(u_int dr6) */ -ENTRY(load_dr6) - movl 4(%esp),%eax - movl %eax,%dr6 - ret - /* void reset_dbregs() */ ENTRY(reset_dbregs) movl $0,%eax |