60 lines
2.0 KiB
Diff
60 lines
2.0 KiB
Diff
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From 03f6e77635f4f311a2c7bdd581f6202fa52feef7 Mon Sep 17 00:00:00 2001
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From: Valdimir Serbinenko <phcoder@gmail.com>
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Date: Sun, 13 May 2012 18:23:02 +0000
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Subject: [PATCH] Don't scan device tree if flag is set.
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Don't scan device tree if GRUB_IEEE1275_FLAG_NO_TREE_SCANNING_FOR_DISKS is
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set.
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=== modified file 'grub-core/disk/ieee1275/ofdisk.c'
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---
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grub-core/disk/ieee1275/ofdisk.c | 3 ++-
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grub-core/kern/ieee1275/cmain.c | 3 +++
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include/grub/ieee1275/ieee1275.h | 2 ++
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3 files changed, 7 insertions(+), 1 deletion(-)
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diff --git a/grub-core/disk/ieee1275/ofdisk.c b/grub-core/disk/ieee1275/ofdisk.c
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index 56fed0a..6b734f7 100644
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--- a/grub-core/disk/ieee1275/ofdisk.c
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+++ b/grub-core/disk/ieee1275/ofdisk.c
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@@ -159,7 +159,8 @@ scan (void)
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}
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grub_devalias_iterate (dev_iterate_alias);
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- grub_ieee1275_devices_iterate (dev_iterate);
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+ if (!grub_ieee1275_test_flag (GRUB_IEEE1275_FLAG_NO_TREE_SCANNING_FOR_DISKS))
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+ grub_ieee1275_devices_iterate (dev_iterate);
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}
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static int
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diff --git a/grub-core/kern/ieee1275/cmain.c b/grub-core/kern/ieee1275/cmain.c
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index 9e80757..e04ce5b 100644
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--- a/grub-core/kern/ieee1275/cmain.c
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+++ b/grub-core/kern/ieee1275/cmain.c
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@@ -88,6 +88,9 @@ grub_ieee1275_find_options (void)
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if (rc >= 0 && !grub_strcmp (tmp, "Emulated PC"))
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is_qemu = 1;
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+ if (rc >= 0 && grub_strncmp (tmp, "IBM", 3) == 0)
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+ grub_ieee1275_set_flag (GRUB_IEEE1275_FLAG_NO_TREE_SCANNING_FOR_DISKS);
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+
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if (grub_strncmp (tmp, "PowerMac", sizeof ("PowerMac") - 1) == 0)
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grub_ieee1275_set_flag (GRUB_IEEE1275_FLAG_BROKEN_ADDRESS_CELLS);
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diff --git a/include/grub/ieee1275/ieee1275.h b/include/grub/ieee1275/ieee1275.h
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index fb85db9..99a4bc1 100644
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--- a/include/grub/ieee1275/ieee1275.h
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+++ b/include/grub/ieee1275/ieee1275.h
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@@ -116,6 +116,8 @@ enum grub_ieee1275_flag
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1 address cell is used on PowerMacs.
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*/
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GRUB_IEEE1275_FLAG_BROKEN_ADDRESS_CELLS,
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+
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+ GRUB_IEEE1275_FLAG_NO_TREE_SCANNING_FOR_DISKS
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};
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extern int EXPORT_FUNC(grub_ieee1275_test_flag) (enum grub_ieee1275_flag flag);
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--
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1.7.10.1
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