GNU bug report logs - #63527
[PATCH 0/3] Initial attempt at rumpdisk support for the Hurd.

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Message #137 received at 63527 <at> debbugs.gnu.org (full text, mbox):

From: Janneke Nieuwenhuizen <janneke <at> gnu.org>
To: 63527 <at> debbugs.gnu.org
Subject: [PATCH v5 11/11] gnu: gnumach: Support "noide" argument.
Date: Tue, 23 May 2023 17:47:32 +0200

* gnu/packages/patches/gnumach-support-noide.patch: New file.
* gnu/local.mk (dist_patch_DATA): Add it.
* gnu/packages/hurd.scm (gnumach-headers): Use it.
* doc/guix.texi (Bootloader Configuration): Document it.
---
 doc/guix.texi                                 | 21 ++++++++++++++++
 gnu/local.mk                                  |  1 +
 gnu/packages/hurd.scm                         |  3 ++-
 .../patches/gnumach-support-noide.patch       | 25 +++++++++++++++++++
 4 files changed, 49 insertions(+), 1 deletion(-)
 create mode 100644 gnu/packages/patches/gnumach-support-noide.patch

diff --git a/doc/guix.texi b/doc/guix.texi
index f4cca66d76..11ce9340ae 100644
--- a/doc/guix.texi
+++ b/doc/guix.texi
@@ -39779,6 +39779,27 @@ Bootloader Configuration
 @item @code{multiboot-arguments} (default: @code{()})
 The list of extra command-line arguments for the multiboot-kernel.
 
+For example, when running in QEMU it can be useful to use a text-based
+console (use options @option{--nographic} @option{--serial mon:stdio}):
+
+@lisp
+'("console=com0"")
+@end lisp
+
+To use the new (experimental) rumpdisk (See
+@url{https://darnassus.sceen.net/~hurd-web/rump_kernel/, GNU Hurd rump
+kernel}) instead of the legacy gnumach buitin IDE support:
+
+@lisp
+'("noide")
+@end lisp
+
+Of course, these options can be combined:
+
+@lisp
+'("console=com0" "noide")
+@end lisp
+
 @item @code{multiboot-modules} (default: @code{()})
 The list of commands for loading Multiboot modules.  For example:
 
diff --git a/gnu/local.mk b/gnu/local.mk
index 052b76ea7e..e633afa4b4 100644
--- a/gnu/local.mk
+++ b/gnu/local.mk
@@ -1277,6 +1277,7 @@ dist_patch_DATA =						\
   %D%/packages/patches/gnome-session-support-elogind.patch	\
   %D%/packages/patches/gnome-tweaks-search-paths.patch		\
   %D%/packages/patches/gnumach-add-missing-const_mach_port_name_array_t-type.patch \
+  %D%/packages/patches/gnumach-support-noide.patch		\
   %D%/packages/patches/gnupg-default-pinentry.patch		\
   %D%/packages/patches/gnupg-1-build-with-gcc10.patch		\
   %D%/packages/patches/gnutls-skip-trust-store-test.patch	\
diff --git a/gnu/packages/hurd.scm b/gnu/packages/hurd.scm
index 536df96e00..c44c51818e 100644
--- a/gnu/packages/hurd.scm
+++ b/gnu/packages/hurd.scm
@@ -80,7 +80,8 @@ (define-public gnumach-headers
        (file-name (git-file-name "gnumach" version))
        (sha256
         (base32
-         "0f49zqxf64ds75rmskizpybl2mw7sxs05k59gjp3pgspvr87w7gs"))))
+         "0f49zqxf64ds75rmskizpybl2mw7sxs05k59gjp3pgspvr87w7gs"))
+       (patches (list (search-patch "gnumach-support-noide.patch")))))
     (build-system gnu-build-system)
     (arguments
      `(#:phases
diff --git a/gnu/packages/patches/gnumach-support-noide.patch b/gnu/packages/patches/gnumach-support-noide.patch
new file mode 100644
index 0000000000..723d4bcac4
--- /dev/null
+++ b/gnu/packages/patches/gnumach-support-noide.patch
@@ -0,0 +1,25 @@
+Upstream status: Taken from Debian/upsream.
+
+    https://salsa.debian.org/hurd-team/gnumach/-/blob/master/debian/patches/90_noide.patch
+
+This supports using `noide' on the gnumach command line, disabling
+gnumach IDE support and thus forcing use of rumdisk.
+
+---
+ linux/dev/glue/block.c |    5 ++++-
+ 1 file changed, 4 insertions(+), 1 deletion(-)
+
+--- a/linux/dev/glue/block.c
++++ b/linux/dev/glue/block.c
+@@ -207,7 +207,10 @@ int
+ blk_dev_init ()
+ {
+ #ifdef CONFIG_BLK_DEV_IDE
+-  ide_init ();
++  extern char *kernel_cmdline;
++  if (strncmp(kernel_cmdline, "noide", 5) &&
++      !strstr(kernel_cmdline, " noide"))
++    ide_init ();
+ #endif
+ #ifdef CONFIG_BLK_DEV_FD
+   floppy_init ();
-- 
2.40.1

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