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Date: Tue, 12 Mar 2019 18:58:42 +0000
From: Unai Martinez-Corral <unai.martinezcorral@ehu.eus>
To: qemu-devel@nongnu.org
Message-ID: <20190312185842.GD15@803a063d172d>
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Subject: [Qemu-devel] [PATCH v6 4/9] qemu-binfmt-conf.sh: use the same
presentation format as for qemu-*
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Signed-off-by: Unai Martinez-Corral <unai.martinezcorral@ehu.eus>
---
scripts/qemu-binfmt-conf.sh | 63 +++++++++++++++++++------------------
1 file changed, 32 insertions(+), 31 deletions(-)
diff --git a/scripts/qemu-binfmt-conf.sh b/scripts/qemu-binfmt-conf.sh
index ad9ae731a0..5ac1df680b 100755
--- a/scripts/qemu-binfmt-conf.sh
+++ b/scripts/qemu-binfmt-conf.sh
@@ -167,47 +167,48 @@ qemu_get_family() {
usage() {
cat <<EOF
-Usage: qemu-binfmt-conf.sh [--qemu-path PATH][--debian][--systemd CPU]
- [--help][--credential][--exportdir PATH]
- [--persistent][--qemu-suffix SUFFIX]
+Usage: qemu-binfmt-conf.sh [options]
- Configure binfmt_misc to use qemu interpreter
+Configure binfmt_misc to use qemu interpreter
- --help: display this usage
- --qemu-path: set path to qemu interpreter ($QEMU_PATH)
- --qemu-suffix: add a suffix to the default interpreter name
- --debian: don't write into /proc,
- instead generate update-binfmts templates
- --systemd: don't write into /proc,
- instead generate file for systemd-binfmt.service
- for the given CPU. If CPU is "ALL", generate a
- file for all known cpus
- --exportdir: define where to write configuration files
- (default: $SYSTEMDDIR or $DEBIANDIR)
- --credential: if present, credential and security tokens are
- calculated according to the binary to interpret
- ($QEMU_CREDENTIAL=3Dyes)
- --persistent: if present, the interpreter is loaded when binfmt is
- configured and remains in memory. All future uses
- are cloned from the open file.
- ($QEMU_PERSISTENT=3Dyes)
+Options and associated environment variables:
- To import templates with update-binfmts, use :
+Argument Env-variable Description
+-h|--help display this usage
+-Q|--qemu-path PATH QEMU_PATH set path to qemu interpreter
+-F|--qemu-suffix SUFFIX add a suffix to the default interpre=
ter name
+-p|--persistent QEMU_PERSISTENT (yes) load the interpreter and keep =
it in memory; all future
+ uses are cloned from the open file.
+-c|--credential QEMU_CREDENTIAL (yes) credential and security tokens=
are calculated according
+ to the binary to interpret
+-e|--exportdir PATH define where to write configuration =
files
+ (default: $SYSTEMDDIR or $DEBIANDIR)
+-s|--systemd CPU don't write into /proc, generate fil=
e for
+ systemd-binfmt.service for the given=
CPU; if CPU is "ALL",
+ generate a file for all known cpus.
+-d|--debian don't write into /proc, generate upd=
ate-binfmts templates
- sudo update-binfmts --importdir ${EXPORTDIR:-$DEBIANDIR} --import =
qemu-CPU
+Defaults:
+QEMU_PATH=3D$QEMU_PATH
+QEMU_PERSISTENT=3D$QEMU_PERSISTENT
+QEMU_CREDENTIAL=3D$QEMU_CREDENTIAL
- To remove interpreter, use :
+To import templates with update-binfmts, use :
- sudo update-binfmts --package qemu-CPU --remove qemu-CPU $QEMU_PATH
+ sudo update-binfmts --importdir ${EXPORTDIR:-$DEBIANDIR} --import qemu=
-CPU
- With systemd, binfmt files are loaded by systemd-binfmt.service
+To remove interpreter, use :
- The environment variable HOST_ARCH allows to override 'uname' to gener=
ate
- configuration files for a different architecture than the current one.
+ sudo update-binfmts --package qemu-CPU --remove qemu-CPU $QEMU_PATH
- where CPU is one of:
+With systemd, binfmt files are loaded by systemd-binfmt.service
- $qemu_target_list
+The environment variable HOST_ARCH allows to override 'uname' to generate =
configuration files for a
+different architecture than the current one.
+
+where CPU is one of:
+
+ $qemu_target_list
EOF
}
--
2.21.0