[oe-commits] [openembedded-core] 08/39: scripts/runqemu: Add serialstdio mode

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rpurdie pushed a commit to branch master-next
in repository openembedded-core.

commit 4a86be34f354b16de1fe80a1668d024400b38d45
Author: Richard Purdie <richard.purdie at linuxfoundation.org>
AuthorDate: Thu Nov 8 12:58:38 2018 -0800

    scripts/runqemu: Add serialstdio mode
    
    Its currently not possible to have a console available whilst using qemu in graphics
    mode. This is causing some issues for testing autobuilder bringup so all a "serialstdio"
    mode to runqemu to accomodate this.
    
    The existing serialstdio internal variable is renamed to allow the new user visible option.
    
    Signed-off-by: Richard Purdie <richard.purdie at linuxfoundation.org>
---
 scripts/runqemu | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/scripts/runqemu b/scripts/runqemu
index 087220c..0c61253 100755
--- a/scripts/runqemu
+++ b/scripts/runqemu
@@ -75,6 +75,7 @@ of the following environment variables (in any order):
   Simplified QEMU command-line options can be passed with:
     nographic - disable video console
     serial - enable a serial console on /dev/ttyS0
+    serialstdio - enable a serial console on the console (regardless of graphics mode)
     slirp - enable user networking, no root privileges is required
     kvm - enable KVM when running x86/x86_64 (VT-capable CPU required)
     kvm-vhost - enable KVM with vhost when running x86/x86_64 (VT-capable CPU required)
@@ -211,6 +212,7 @@ class BaseConfig(object):
         self.slirp_enabled = False
         self.nfs_instance = 0
         self.nfs_running = False
+        self.serialconsole = False
         self.serialstdio = False
         self.cleantap = False
         self.saved_stty = ''
@@ -429,6 +431,9 @@ class BaseConfig(object):
                 self.kernel_cmdline_script += ' console=ttyS0'
             elif arg == 'serial':
                 self.kernel_cmdline_script += ' console=ttyS0'
+                self.serialconsole = True
+            elif arg == "serialstdio":
+                self.kernel_cmdline_script += ' console=ttyS0'
                 self.serialstdio = True
             elif arg == 'audio':
                 logger.info("Enabling audio in qemu")
@@ -1169,7 +1174,7 @@ class BaseConfig(object):
         if self.snapshot:
             self.qemu_opt += " -snapshot"
 
-        if self.serialstdio:
+        if self.serialconsole:
             if sys.stdin.isatty():
                 subprocess.check_call("stty intr ^]", shell=True)
                 logger.info("Interrupt character is '^]'")
@@ -1196,7 +1201,7 @@ class BaseConfig(object):
         #     INIT: Id "S1" respawning too fast: disabled for 5 minutes
         serial_num = len(re.findall("-serial", self.qemu_opt))
         if serial_num == 0:
-            if re.search("-nographic", self.qemu_opt):
+            if re.search("-nographic", self.qemu_opt) or self.serialstdio:
                 self.qemu_opt += " -serial mon:stdio -serial null"
             else:
                 self.qemu_opt += " -serial mon:vc -serial null"

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