Add option -C to have the guest memory included in core files.
This aids in debugging OS loaders.
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568e3a8d7f
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=296102
@ -25,7 +25,7 @@
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.\"
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.\"
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.\" $FreeBSD$
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.\" $FreeBSD$
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.\"
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.\"
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.Dd October 7, 2015
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.Dd February 26, 2016
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.Dt BHYVELOAD 8
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.Dt BHYVELOAD 8
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.Os
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.Os
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.Sh NAME
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.Sh NAME
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@ -35,6 +35,7 @@
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guest inside a bhyve virtual machine
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guest inside a bhyve virtual machine
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.Sh SYNOPSIS
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.Sh SYNOPSIS
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.Nm
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.Nm
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.Op Fl C
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.Op Fl S
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.Op Fl S
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.Op Fl c Ar cons-dev
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.Op Fl c Ar cons-dev
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.Op Fl d Ar disk-path
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.Op Fl d Ar disk-path
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@ -125,6 +126,12 @@ respectively.
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The default value of
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The default value of
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.Ar mem-size
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.Ar mem-size
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is 256M.
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is 256M.
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.It Fl C
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Include guest memory in the core file when
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.Nm
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dumps core.
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This is intended for debugging an OS loader as it allows inspection of
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the guest memory.
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.It Fl S
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.It Fl S
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Wire guest memory.
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Wire guest memory.
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.El
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.El
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@ -674,7 +674,7 @@ main(int argc, char** argv)
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consin_fd = STDIN_FILENO;
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consin_fd = STDIN_FILENO;
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consout_fd = STDOUT_FILENO;
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consout_fd = STDOUT_FILENO;
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while ((opt = getopt(argc, argv, "Sc:d:e:h:l:m:")) != -1) {
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while ((opt = getopt(argc, argv, "CSc:d:e:h:l:m:")) != -1) {
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switch (opt) {
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switch (opt) {
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case 'c':
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case 'c':
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error = altcons_open(optarg);
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error = altcons_open(optarg);
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@ -709,6 +709,9 @@ main(int argc, char** argv)
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if (error != 0)
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if (error != 0)
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errx(EX_USAGE, "Invalid memsize '%s'", optarg);
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errx(EX_USAGE, "Invalid memsize '%s'", optarg);
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break;
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break;
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case 'C':
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memflags |= VM_MEM_F_INCORE;
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break;
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case 'S':
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case 'S':
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memflags |= VM_MEM_F_WIRED;
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memflags |= VM_MEM_F_WIRED;
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break;
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break;
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