Fix RISC-V gzip compressed kernels
This commit is contained in:
Richard W.M. Jones
parent
6f9f7bfc2e
commit
2417d4becf
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@ -1,7 +1,7 @@
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From 86fd6f3e86ab99d54a22b475aecccfc19bdff07e Mon Sep 17 00:00:00 2001
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From: "Richard W.M. Jones" <rjones@redhat.com>
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Date: Sat, 21 Jan 2023 09:38:55 +0000
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Subject: [PATCH 01/10] rpm: New RPM database location in /usr/lib/sysimage/rpm
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Subject: [PATCH 01/13] rpm: New RPM database location in /usr/lib/sysimage/rpm
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A few years ago the RPM database was moved from /var to /usr. This is
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now feeding through to Linux distros.
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@ -46,5 +46,5 @@ index 85557fe..2c199c1 100644
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(* Return the best provider of a particular RPM requirement.
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*
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--
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2.37.3
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2.42.0
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@ -1,7 +1,7 @@
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From f8774efbe02d3651cde449333cf108e79adba48c Mon Sep 17 00:00:00 2001
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From: Kate <kit.ty.kate@disroot.org>
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Date: Wed, 16 Nov 2022 19:30:01 +0000
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Subject: [PATCH 02/10] Add support for OCaml 5.0
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Subject: [PATCH 02/13] Add support for OCaml 5.0
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---
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src/mode_build.ml | 4 ++--
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@ -94,5 +94,5 @@ index 521d49e..ae99294 100644
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let xs = uniq ~cmp xs in
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xs
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--
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2.37.3
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2.42.0
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@ -1,7 +1,7 @@
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From 3efe663421d94376694f292ca1fcf2732a82149f Mon Sep 17 00:00:00 2001
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From: Kate <kit.ty.kate@disroot.org>
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Date: Wed, 16 Nov 2022 19:59:36 +0000
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Subject: [PATCH 03/10] Restore compatibility with OCaml < 4.07
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Subject: [PATCH 03/13] Restore compatibility with OCaml < 4.07
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---
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src/mode_build.ml | 6 ++++--
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@ -121,5 +121,5 @@ index ae99294..1dc4310 100644
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let xs = uniq ~cmp xs in
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xs
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--
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2.37.3
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2.42.0
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@ -1,7 +1,7 @@
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From 92d5d7e8c27088fa3fb8e5e6e9c5b8d3209053d6 Mon Sep 17 00:00:00 2001
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From: "Richard W.M. Jones" <rjones@redhat.com>
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Date: Tue, 30 May 2023 09:12:14 +0100
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Subject: [PATCH 04/10] rpm: Detect dnf5 and omit missing options
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Subject: [PATCH 04/13] rpm: Detect dnf5 and omit missing options
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Fixes: https://bugzilla.redhat.com/show_bug.cgi?id=2209412
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---
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@ -54,5 +54,5 @@ index 2c199c1..3e803c6 100644
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let rpms = List.map rpm_of_pkg (PackageSet.elements pkgs) in
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List.map (
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--
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2.37.3
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2.42.0
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@ -1,7 +1,7 @@
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From 057ea99a3211057d2cb2c9971afe56e0a85e0f78 Mon Sep 17 00:00:00 2001
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From: "Richard W.M. Jones" <rjones@redhat.com>
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Date: Wed, 31 May 2023 12:52:13 +0100
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Subject: [PATCH 05/10] rpm: Use dnf --config instead of -c
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Subject: [PATCH 05/13] rpm: Use dnf --config instead of -c
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dnf5 does not support -c. dnf4 supports either.
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@ -24,5 +24,5 @@ index 3e803c6..e94f35f 100644
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(quote tdir)
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(quoted_list rpms) in
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--
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2.37.3
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2.42.0
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@ -1,7 +1,7 @@
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From 8dd37da1b5979842b0db44b44655eeaf621f7ac9 Mon Sep 17 00:00:00 2001
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From: "Richard W.M. Jones" <rjones@redhat.com>
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Date: Mon, 12 Jun 2023 12:51:56 +0100
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Subject: [PATCH 06/10] src: Improved debugging of the supermin if-newer
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Subject: [PATCH 06/13] src: Improved debugging of the supermin if-newer
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calculation
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Also I expanded the code to make it easier to read. There is no
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@ -52,5 +52,5 @@ index d49c1e8..c30c73c 100644
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printf "supermin: if-newer: output does not need rebuilding\n%!";
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exit 0
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--
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2.37.3
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2.42.0
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@ -1,7 +1,7 @@
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From 8c38641042e274a713a18daf7fc85584ca0fc9bb Mon Sep 17 00:00:00 2001
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From: "Richard W.M. Jones" <rjones@redhat.com>
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Date: Mon, 12 Jun 2023 13:02:37 +0100
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Subject: [PATCH 07/10] src: Fix --if-newer --copy-kernel
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Subject: [PATCH 07/13] src: Fix --if-newer --copy-kernel
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We previously copied the kernel into the appliance using 'cp -p' which
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preserves the datestamps of the installed kernel. This can confuse
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@ -35,5 +35,5 @@ index c592703..6d2e699 100644
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run_command cmd
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)
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--
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2.37.3
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2.42.0
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@ -1,7 +1,7 @@
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From 2f3eae350aa89b8067201a8bb24ff830d0fd919c Mon Sep 17 00:00:00 2001
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From: "Richard W.M. Jones" <rjones@redhat.com>
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Date: Thu, 22 Jun 2023 08:35:51 +0100
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Subject: [PATCH 08/10] rpm: Reenable disable_excludes for dnf5
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Subject: [PATCH 08/13] rpm: Reenable disable_excludes for dnf5
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Updates: commit 92d5d7e8c27088fa3fb8e5e6e9c5b8d3209053d6
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Thanks: Jan Kolarik
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@ -25,5 +25,5 @@ index e94f35f..783d1bb 100644
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(quoted_list rpms) in
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run_command cmd
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--
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2.37.3
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2.42.0
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@ -0,0 +1,26 @@
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From 4b3922feb65150f3423d0877038c5ba6e16d910c Mon Sep 17 00:00:00 2001
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From: Simon Fischer <1522981+Fischer-Simon@users.noreply.github.com>
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Date: Wed, 12 Jul 2023 17:10:53 +0200
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Subject: [PATCH 09/13] src/format_ext2_kernel.ml: Fix kernel filtering for
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aarch64 architecture
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Add appropriate globs for arm based kernels. The file names end in -arm64 but the architecture is named aarch64.
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---
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src/format_ext2_kernel.ml | 1 +
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1 file changed, 1 insertion(+)
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diff --git a/src/format_ext2_kernel.ml b/src/format_ext2_kernel.ml
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index 6d2e699..4589552 100644
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--- a/src/format_ext2_kernel.ml
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+++ b/src/format_ext2_kernel.ml
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@@ -187,6 +187,7 @@ and patt_of_cpu host_cpu =
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| "amd64" | "x86_64" -> ["amd64"; "x86_64"]
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| "parisc" | "parisc64" -> ["hppa"; "hppa64"]
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| "ppc64el" -> ["powerpc64le"]
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+ | "aarch64" -> ["aarch64"; "arm64"]
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| _ when host_cpu.[0] = 'i' && host_cpu.[2] = '8' && host_cpu.[3] = '6' -> ["?86"]
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| _ when String.length host_cpu >= 5 && String.sub host_cpu 0 5 = "armv7" -> ["armmp"]
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| _ -> [host_cpu]
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--
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2.42.0
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@ -1,7 +1,7 @@
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From dc80dbbef60d5d81a7d4321683a8c7305dc04972 Mon Sep 17 00:00:00 2001
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From: "Richard W.M. Jones" <rjones@redhat.com>
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Date: Wed, 12 Jul 2023 22:37:58 +0100
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Subject: [PATCH 09/10] ocamlc: Use -output-complete-exe instead of -custom
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Subject: [PATCH 10/13] ocamlc: Use -output-complete-exe instead of -custom
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This prevents bytecode executables from being broken by strip and
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similar tools. Note this is incompatible with OCaml < 4.10 (so breaks
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@ -29,5 +29,5 @@ index 5b07e5d..5a1c671 100644
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OBJECTS = $(XOBJECTS)
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BEST = opt
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--
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2.37.3
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2.42.0
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@ -1,7 +1,7 @@
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From 59a8ffc40db94a38879d9c923520e0bd70ffa271 Mon Sep 17 00:00:00 2001
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From: "Richard W.M. Jones" <rjones@redhat.com>
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Date: Wed, 12 Jul 2023 22:51:43 +0100
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Subject: [PATCH 10/10] ocamlc: Only supply -output-complete-exe to final link
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Subject: [PATCH 11/13] ocamlc: Only supply -output-complete-exe to final link
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Add a separate variable to store link flags, and use that to supply
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-output-complete-exe. Apparently ocamlc ignores -custom in the wrong
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@ -38,5 +38,5 @@ index 5a1c671..1268aa5 100644
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.mli.cmi:
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--
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2.37.3
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2.42.0
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@ -0,0 +1,36 @@
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From 9a0d078dc35fde7a715666bce6c765ed5fe5e916 Mon Sep 17 00:00:00 2001
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From: "Richard W.M. Jones" <rjones@redhat.com>
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Date: Fri, 10 Nov 2023 08:55:25 +0000
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Subject: [PATCH 12/13] src/format_ext2_kernel.ml: Rename function file ->
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kernel
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No change, just rename the function.
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---
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src/format_ext2_kernel.ml | 4 ++--
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1 file changed, 2 insertions(+), 2 deletions(-)
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diff --git a/src/format_ext2_kernel.ml b/src/format_ext2_kernel.ml
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index 4589552..36514c6 100644
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--- a/src/format_ext2_kernel.ml
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+++ b/src/format_ext2_kernel.ml
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@@ -54,7 +54,7 @@ let rec build_kernel debug host_cpu copy_kernel kernel =
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printf "supermin: kernel: modpath %s\n%!" modpath;
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);
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- copy_or_symlink_file copy_kernel kernel_file kernel;
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+ copy_or_symlink_kernel copy_kernel kernel_file kernel;
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(kernel_version, modpath)
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@@ -308,7 +308,7 @@ and read_string chan offset len =
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really_input chan buf 0 len;
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Bytes.to_string buf
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-and copy_or_symlink_file copy_kernel src dest =
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+and copy_or_symlink_kernel copy_kernel src dest =
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if not copy_kernel then
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symlink src dest
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else (
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--
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2.42.0
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@ -0,0 +1,72 @@
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From 5230e2c3cd07e82bd6431e871e239f7056bf25ad Mon Sep 17 00:00:00 2001
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From: "Richard W.M. Jones" <rjones@redhat.com>
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Date: Fri, 10 Nov 2023 10:20:49 +0000
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Subject: [PATCH 13/13] src: Uncompress kernel on RISC-V
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---
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src/format_ext2_kernel.ml | 35 ++++++++++++++++++++++++++++++++++-
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1 file changed, 34 insertions(+), 1 deletion(-)
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diff --git a/src/format_ext2_kernel.ml b/src/format_ext2_kernel.ml
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index 36514c6..09a3f21 100644
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--- a/src/format_ext2_kernel.ml
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+++ b/src/format_ext2_kernel.ml
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@@ -25,6 +25,20 @@ open Ext2fs
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open Fnmatch
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open Glob
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+(* Similar but not the same as get_file_type in mode_build. There
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+ * is a case for deriving a common base utility. XXX
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+ *)
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+type compression_type = GZip | Uncompressed
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+let get_compression_type file =
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+ let chan = open_in file in
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+ let buf = Bytes.create 512 in
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+ let len = input chan buf 0 (Bytes.length buf) in
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+ close_in chan;
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+ let buf = Bytes.to_string buf in
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+ if len >= 3 && buf.[0] = '\x1f' && buf.[1] = '\x8b' && buf.[2] = '\x08'
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+ then GZip
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+ else Uncompressed (* or other unknown compression type *)
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+
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let rec build_kernel debug host_cpu copy_kernel kernel =
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(* Locate the kernel.
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* SUPERMIN_* environment variables override everything. If those
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@@ -54,7 +68,19 @@ let rec build_kernel debug host_cpu copy_kernel kernel =
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printf "supermin: kernel: modpath %s\n%!" modpath;
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);
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- copy_or_symlink_kernel copy_kernel kernel_file kernel;
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+ (* RISC-V relies on the bootloader or firmware to uncompress the
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+ * kernel and doesn't have a concept of self-extracting kernels.
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+ * On Arm which is similar, qemu -kernel will automatically uncompress
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+ * the kernel, but qemu-system-riscv won't do that and the code is a
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+ * big mess so I don't fancy fixing it. So we have to detect that
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+ * case here and uncompress the kernel.
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+ *)
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+ let kernel_compression_type = get_compression_type kernel_file in
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+ if string_prefix "riscv" host_cpu && kernel_compression_type <> Uncompressed
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+ then
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+ copy_and_uncompress_kernel kernel_compression_type kernel_file kernel
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+ else
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+ copy_or_symlink_kernel copy_kernel kernel_file kernel;
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(kernel_version, modpath)
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@@ -308,6 +334,13 @@ and read_string chan offset len =
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really_input chan buf 0 len;
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Bytes.to_string buf
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+and copy_and_uncompress_kernel compression_type src dest =
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+ let cmd =
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+ match compression_type with
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+ | GZip -> sprintf "zcat %s > %s" (quote src) (quote dest)
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+ | Uncompressed -> sprintf "cp %s %s" (quote src) (quote dest) in
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+ run_command cmd
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+
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and copy_or_symlink_kernel copy_kernel src dest =
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if not copy_kernel then
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symlink src dest
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--
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2.42.0
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@ -38,7 +38,7 @@ ExcludeArch: %{ix86}
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Summary: Tool for creating supermin appliances
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Name: supermin
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Version: 5.3.3
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Release: 16%{?dist}
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Release: 17%{?dist}
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License: GPL-2.0-or-later
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ExclusiveArch: %{kernel_arches}
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@ -67,9 +67,14 @@ Patch: 0006-src-Improved-debugging-of-the-supermin-if-newer-calc.patch
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Patch: 0007-src-Fix-if-newer-copy-kernel.patch
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# Reenable disable_excludes for dnf5
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Patch: 0008-rpm-Reenable-disable_excludes-for-dnf5.patch
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# Fix kernel filtering on aarch64
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Patch: 0009-src-format_ext2_kernel.ml-Fix-kernel-filtering-for-a.patch
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# Fix bytecode builds so they resist stripping
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Patch: 0009-ocamlc-Use-output-complete-exe-instead-of-custom.patch
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Patch: 0010-ocamlc-Only-supply-output-complete-exe-to-final-link.patch
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Patch: 0010-ocamlc-Use-output-complete-exe-instead-of-custom.patch
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Patch: 0011-ocamlc-Only-supply-output-complete-exe-to-final-link.patch
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# Fix RISC-V gzip compressed kernels
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Patch: 0012-src-format_ext2_kernel.ml-Rename-function-file-kerne.patch
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Patch: 0013-src-Uncompress-kernel-on-RISC-V.patch
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BuildRequires: gcc
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BuildRequires: make
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@ -224,6 +229,9 @@ make check || {
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%changelog
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* Fri Nov 10 2023 Richard W.M. Jones <rjones@redhat.com> - 5.3.3-17
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- Fix RISC-V gzip compressed kernels
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* Thu Oct 05 2023 Richard W.M. Jones <rjones@redhat.com> - 5.3.3-16
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- OCaml 5.1 rebuild for Fedora 40
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