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1f092caba7
Add comments and revert logic changes in 01_fallback_counting Remove quotes when reading ID value from /etc/os-release Related: rhbz#1650706 blscfg: expand grub_users before passing to grub_normal_add_menu_entry() Resolves: rhbz#1650706 Drop buggy downstream patch "efinet: retransmit if our device is busy" Resolves: rhbz#1649048 Make the menu entry users option argument to be optional Related: rhbz#1652434 10_linux_bls: add missing menu entries options Resolves: rhbz#1652434 Drop "Be more aggro about actually using the *configured* network device." Resolves: rhbz#1654388 Fix menu entry selection based on title Resolves: rhbz#1654936 Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
94 lines
3.3 KiB
Diff
94 lines
3.3 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Hans de Goede <hdegoede@redhat.com>
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Date: Mon, 26 Mar 2018 16:15:53 +0200
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Subject: [PATCH] Accept ESC, F8 and holding SHIFT as user interrupt keys
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On some devices the ESC key is the hotkey to enter the BIOS/EFI setup
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screen, making it really hard to time pressing it right. Besides that
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ESC is also pretty hard to discover for a user who does not know it
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will unhide the menu.
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This commit makes F8, which used to be the hotkey to show the Windows
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boot menu during boot for a long long time, also interrupt sleeps /
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stop the menu countdown.
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This solves the ESC gets into the BIOS setup and also somewhat solves
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the discoverability issue, but leaves the timing issue unresolved.
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This commit fixes the timing issue by also adding support for keeping
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SHIFT pressed during boot to stop the menu countdown. This matches
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what Ubuntu is doing, which should also help with discoverability.
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Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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---
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grub-core/commands/sleep.c | 2 +-
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grub-core/kern/term.c | 16 ++++++++++++++++
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grub-core/normal/menu.c | 2 +-
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include/grub/term.h | 1 +
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4 files changed, 19 insertions(+), 2 deletions(-)
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diff --git a/grub-core/commands/sleep.c b/grub-core/commands/sleep.c
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index e77e7900fac..a1370b710c9 100644
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--- a/grub-core/commands/sleep.c
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+++ b/grub-core/commands/sleep.c
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@@ -55,7 +55,7 @@ grub_interruptible_millisleep (grub_uint32_t ms)
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start = grub_get_time_ms ();
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while (grub_get_time_ms () - start < ms)
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- if (grub_getkey_noblock () == GRUB_TERM_ESC)
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+ if (grub_key_is_interrupt (grub_getkey_noblock ()))
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return 1;
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return 0;
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diff --git a/grub-core/kern/term.c b/grub-core/kern/term.c
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index 93bd3378d18..6cae4c23e7a 100644
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--- a/grub-core/kern/term.c
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+++ b/grub-core/kern/term.c
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@@ -138,6 +138,22 @@ grub_getkeystatus (void)
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return status;
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}
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+int
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+grub_key_is_interrupt (int key)
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+{
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+ /* ESC sometimes is the BIOS setup hotkey and may be hard to discover, also
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+ check F8, which was the key to get the Windows bootmenu for a long time. */
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+ if (key == GRUB_TERM_ESC || key == GRUB_TERM_KEY_F8)
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+ return 1;
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+
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+ /* Pressing keys at the right time during boot is hard to time, also allow
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+ interrupting sleeps / the menu countdown by keeping shift pressed. */
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+ if (grub_getkeystatus() & (GRUB_TERM_STATUS_LSHIFT|GRUB_TERM_STATUS_RSHIFT))
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+ return 1;
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+
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+ return 0;
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+}
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+
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void
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grub_refresh (void)
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{
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diff --git a/grub-core/normal/menu.c b/grub-core/normal/menu.c
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index 5e2f5283d3d..6cb2a071490 100644
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--- a/grub-core/normal/menu.c
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+++ b/grub-core/normal/menu.c
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@@ -655,7 +655,7 @@ run_menu (grub_menu_t menu, int nested, int *auto_boot)
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if (entry >= 0)
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break;
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}
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- if (key == GRUB_TERM_ESC)
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+ if (grub_key_is_interrupt (key))
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{
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timeout = -1;
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break;
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diff --git a/include/grub/term.h b/include/grub/term.h
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index c215133383f..2b079c29b80 100644
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--- a/include/grub/term.h
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+++ b/include/grub/term.h
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@@ -328,6 +328,7 @@ void grub_putcode (grub_uint32_t code, struct grub_term_output *term);
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int EXPORT_FUNC(grub_getkey) (void);
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int EXPORT_FUNC(grub_getkey_noblock) (void);
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int EXPORT_FUNC(grub_getkeystatus) (void);
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+int EXPORT_FUNC(grub_key_is_interrupt) (int key);
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void grub_cls (void);
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void EXPORT_FUNC(grub_refresh) (void);
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void grub_puts_terminal (const char *str, struct grub_term_output *term);
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