debugging bhyve with mdb from host

changes.txt

commit 2d1a8a4a97fe44c06e3fedddbb32f89fc2755a3e
Author: Hans Rosenfeld <[email protected]>
Date:   Tue Jan 15 16:29:40 2019 +0100

    OS-7508 mdb: assertion tripped in libvmm when bhyve VM halts while mdb is attached
    OS-7519 mdb: bhyve target can attach before the first vCPU is configured

commit 2a78db82bec123064d30d051995cb4d577ca04ba
Author: Hans Rosenfeld <[email protected]>
Date:   Wed Feb 13 16:08:32 2019 +0000

    OS-7441 mdb: clean up ::sysregs duplication
    Reviewed by: John Levon <[email protected]>
    Reviewed by: Patrick Mooney <[email protected]>
    Approved by: John Levon <[email protected]>

commit 64570bd313f25b33a67193828aa20d7a15c3fed0
Author: Hans Rosenfeld <[email protected]>
Date:   Thu Dec 20 11:41:51 2018 +0000

    OS-6969 want mdb module for bhyve
    Reviewed by: John Levon <[email protected]>
    Reviewed by: Patrick Mooney <[email protected]>
    Approved by: John Levon <[email protected]>

commit 7acaa8e37be75212e7823e35fc1b9a4cc61f601b
Author: Hans Rosenfeld <[email protected]>
Date:   Thu Dec 20 10:53:02 2018 +0000

    OS-7408 want native libvmm
    Reviewed by: John Levon <[email protected]>
    Reviewed by: Patrick Mooney <[email protected]>
    Approved by: John Levon <[email protected]>

commit 2319d4707150167d5bc9a32748d310d0c5e7a022
Author: Hans Rosenfeld <[email protected]>
Date:   Thu Dec 20 10:57:55 2018 +0000

    OS-7407 add new x86 CR4, EFER and debug register bit definitions
    Reviewed by: John Levon <[email protected]>
    Reviewed by: Patrick Mooney <[email protected]>
    Approved by: John Levon <[email protected]>

commit ef99fdeb43192c7e62a7840425422ba46a23bfb6
Author: Hans Rosenfeld <[email protected]>
Date:   Thu Dec 20 10:53:01 2018 +0000

    OS-7406 mdb: add two new virtual address spaces for code and stack accesses
    Reviewed by: Patrick Mooney <[email protected]>
    Reviewed by: John Levon <[email protected]>
    Approved by: John Levon <[email protected]>

commit d26e2e435b9b90faf246361d40c15b60d0a08f04
Author: Hans Rosenfeld <[email protected]>
Date:   Thu Dec 20 10:10:13 2018 +0000

    OS-7405 mdb: allow mdb_ia32util and mdb_amd64util to coexist
    Reviewed by: John Levon <[email protected]>
    Reviewed by: Patrick Mooney <[email protected]>
    Approved by: John Levon <[email protected]>

commit c5542e08ddb93fd03fe4236192d48fe4b02ac3d7
Author: Hans Rosenfeld <[email protected]>
Date:   Thu Dec 20 10:09:53 2018 +0000

    OS-7404 mdb: add KREG_FSBASE
    Reviewed by: John Levon <[email protected]>
    Reviewed by: Patrick Mooney <[email protected]>
    Approved by: John Levon <[email protected]>

commit d7de91d50ce9dc1ece13217712b50a1d6e4b5f12
Author: Hans Rosenfeld <[email protected]>
Date:   Thu Dec 20 10:09:38 2018 +0000

    OS-7403 libvmmapi: add vm_get_devmem_offset
    Reviewed by: John Levon <[email protected]>
    Reviewed by: Patrick Mooney <[email protected]>
    Approved by: John Levon <[email protected]>

commit 4650832b29268c92656cbcbc0b543402b8c3f6fa
Author: Hans Rosenfeld <[email protected]>
Date:   Thu Dec 20 09:58:04 2018 +0000

    OS-7402 libvmmapi: vm_open destroys VM on error, vm_close is missing
    Reviewed by: Patrick Mooney <[email protected]>
    Reviewed by: John Levon <[email protected]>
    Approved by: John Levon <[email protected]>

commit c80a96f941e57993b407b02fe55a9f725a070282
Author: Hans Rosenfeld <[email protected]>
Date:   Thu Dec 20 09:47:03 2018 +0000

    OS-7419 bhyve: want switch to start VM in suspended state
    Reviewed by: John Levon <[email protected]>
    Reviewed by: Patrick Mooney <[email protected]>
    Approved by: John Levon <[email protected]>

commit 6bae70f86196b5f8f8767a4e2f3c1b7583459dac
Author: Hans Rosenfeld <[email protected]>
Date:   Wed Dec 19 16:27:28 2018 +0000

    OS-7392 bhyve optstr wrong for -Y
    Reviewed by: John Levon <[email protected]>
    Reviewed by: Patrick Mooney <[email protected]>
    Reviewed by: Jorge Schrauwen <[email protected]>
    Approved by: John Levon <[email protected]>

commit b3bd764962b86d7c9b6cb4939d04a3bde0ca6519
Author: Hans Rosenfeld <[email protected]>
Date:   Wed Dec 5 22:47:24 2018 +0000

    OS-7401 bhyve: suspend vcpu after mtrap vmexit
    Reviewed by: Patrick Mooney <[email protected]>
    Reviewed by: John Levon <[email protected]>
    Approved by: John Levon <[email protected]>

commit 4966850cbd32c33aeed41ff4610b6ac82c195962
Author: Hans Rosenfeld <[email protected]>
Date:   Wed Dec 5 22:34:02 2018 +0000

    OS-7395 bhyve: VM_{SUSPEND,RESUME}_CPU ioctls ignore vcpu argument
    Reviewed by: John Levon <[email protected]>
    Reviewed by: Patrick Mooney <[email protected]>
    Approved by: John Levon <[email protected]>

commit e0f08ef22a20cf816904f0b60a05b9dbe40cb836
Author: Hans Rosenfeld <[email protected]>
Date:   Wed Dec 5 22:23:42 2018 +0000

    OS-7394 defer bhyve instance destruction to last close
    Reviewed by: Patrick Mooney <[email protected]>
    Reviewed by: John Levon <[email protected]>
    Approved by: John Levon <[email protected]>