543f21c3be
relevant to the current BLS integration and cause issues in older KIWI versions, which actively force it to be enabled by default (bsc#1233196) * 0002-Add-BLS-support-to-grub-mkconfig.patch * 0003-Add-grub2-switch-to-blscfg.patch * 0007-grub-switch-to-blscfg-adapt-to-openSUSE.patch * 0008-blscfg-reading-bls-fragments-if-boot-present.patch * 0009-10_linux-Some-refinement-for-BLS.patch * 0001-10_linux-Do-not-enable-BLSCFG-on-s390-emu.patch OBS-URL: https://build.opensuse.org/package/show/Base:System/grub2?expand=0&rev=523
54 lines
1.5 KiB
Diff
54 lines
1.5 KiB
Diff
From c0d00403a297d6023eab6189ba87dc8a3f6d1e85 Mon Sep 17 00:00:00 2001
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From: Michael Chang <mchang@suse.com>
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Date: Mon, 7 Feb 2022 20:44:40 +0800
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Subject: [PATCH 2/5] Add grub_disk_write_tail helper function
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This helps in writing data to partition where the end of buffer is
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aligned to end of partition.
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Signed-off-by: Michael Chang <mchang@suse.com>
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---
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grub-core/lib/disk.c | 18 ++++++++++++++++++
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include/grub/disk.h | 3 +++
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2 files changed, 21 insertions(+)
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--- a/grub-core/lib/disk.c
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+++ b/grub-core/lib/disk.c
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@@ -52,6 +52,24 @@
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}
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grub_err_t
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+grub_disk_write_tail (grub_disk_t disk, grub_size_t size, const void *buf)
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+{
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+ grub_partition_t part;
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+ grub_disk_addr_t sector;
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+ grub_off_t offset;
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+
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+ if (!disk->partition)
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+ return GRUB_ERR_NONE;
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+
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+ part = disk->partition;
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+ sector = part->len;
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+ sector -= (size + GRUB_DISK_SECTOR_SIZE - 1) >> GRUB_DISK_SECTOR_BITS;
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+ offset = size & (GRUB_DISK_SECTOR_SIZE - 1);
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+
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+ return grub_disk_write (disk, sector, offset, size, buf);
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+}
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+
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+grub_err_t
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grub_disk_write (grub_disk_t disk, grub_disk_addr_t sector,
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grub_off_t offset, grub_size_t size, const void *buf)
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{
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--- a/include/grub/disk.h
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+++ b/include/grub/disk.h
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@@ -252,6 +252,9 @@
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grub_off_t offset,
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grub_size_t size,
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void *buf);
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+grub_err_t grub_disk_write_tail (grub_disk_t disk,
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+ grub_size_t size,
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+ const void *buf);
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grub_err_t grub_disk_write (grub_disk_t disk,
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grub_disk_addr_t sector,
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grub_off_t offset,
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