x86,armsr: interpolate GRUB_SERIAL into /etc/inittab

Some platforms have their console on other ports than ttyS0, so allow the developer to tailor this on bespoke platform images. Fixes issue openwrt#13401. Signed-off-by: Philip Prindeville <philipp@redfish-solutions.com>
pprindeville · Sep 14, 2023 · f7602a8 · f7602a8
1 parent ba6ba5b
commit f7602a8
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Showing 4 changed files with 22 additions and 2 deletions.
diff --git a/target/linux/armsr/base-files.mk b/target/linux/armsr/base-files.mk
@@ -0,0 +1,10 @@
+GRUB_SERIAL:=$(call qstrip,$(CONFIG_GRUB_SERIAL))
+ifeq ($(GRUB_SERIAL),)
+$(error This platform requires CONFIG_GRUB_SERIAL be set!)
+endif
+
+ifneq ($(GRUB_SERIAL),)
+  define Package/base-files/install-target
+	$(SED) "s#@GRUB_SERIAL@#$(GRUB_SERIAL)#" $(1)/etc/inittab
+  endef
+endif
diff --git a/target/linux/armsr/base-files/etc/inittab b/target/linux/armsr/base-files/etc/inittab
@@ -1,7 +1,7 @@
 ::sysinit:/etc/init.d/rcS S boot
 ::shutdown:/etc/init.d/rcS K shutdown
 ttyAMA0::askfirst:/usr/libexec/login.sh
-ttyS0::askfirst:/usr/libexec/login.sh
+@GRUB_SERIAL@::askfirst:/usr/libexec/login.sh
 tty0::askfirst:/usr/libexec/login.sh
 hvc0::askfirst:/usr/libexec/login.sh
 ttymxc0::askfirst:/usr/libexec/login.sh

diff --git a/target/linux/x86/base-files.mk b/target/linux/x86/base-files.mk
@@ -0,0 +1,10 @@
+GRUB_SERIAL:=$(call qstrip,$(CONFIG_GRUB_SERIAL))
+ifeq ($(GRUB_SERIAL),)
+$(error This platform requires CONFIG_GRUB_SERIAL be set!)
+endif
+
+ifneq ($(GRUB_SERIAL),)
+  define Package/base-files/install-target
+	$(SED) "s#@GRUB_SERIAL@#$(GRUB_SERIAL)#" $(1)/etc/inittab
+  endef
+endif
diff --git a/target/linux/x86/base-files/etc/inittab b/target/linux/x86/base-files/etc/inittab
@@ -1,5 +1,5 @@
 ::sysinit:/etc/init.d/rcS S boot
 ::shutdown:/etc/init.d/rcS K shutdown
-ttyS0::askfirst:/usr/libexec/login.sh
+@GRUB_SERIAL@::askfirst:/usr/libexec/login.sh
 hvc0::askfirst:/usr/libexec/login.sh
 tty1::askfirst:/usr/libexec/login.sh