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15a207211f
I don't really need to watch 150+ patches from upstream get applied. Signed-off-by: Peter Jones <pjones@redhat.com>
72 lines
2.2 KiB
Diff
72 lines
2.2 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: Wed, 6 Jun 2018 16:16:47 +0200
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Subject: [PATCH] EFI: console: Implement getkeystatus() support
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Implement getkeystatus() support.
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Note that if a non-modifier key gets pressed and repeated calls to
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getkeystatus() are made then it will return the modifier status at the
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time of the non-modifier key, until that key-press gets consumed by a
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getkey() call.
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This is a side-effect of how the EFI simple-text-input protocol works
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and cannot be avoided.
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Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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---
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grub-core/term/efi/console.c | 34 ++++++++++++++++++++++++++++++++++
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1 file changed, 34 insertions(+)
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diff --git a/grub-core/term/efi/console.c b/grub-core/term/efi/console.c
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index 3d36c5c701b..92dd4996bb7 100644
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--- a/grub-core/term/efi/console.c
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+++ b/grub-core/term/efi/console.c
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@@ -223,6 +223,39 @@ grub_console_getkey_ex(struct grub_term_input *term)
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return key;
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}
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+static int
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+grub_console_getkeystatus(struct grub_term_input *term)
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+{
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+ grub_efi_key_data_t key_data;
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+ grub_efi_uint32_t kss;
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+ int key, mods = 0;
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+
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+ if (grub_efi_is_finished)
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+ return 0;
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+
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+ if (grub_console_read_key_stroke (term->data, &key_data, &key, 0))
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+ return 0;
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+
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+ kss = key_data.key_state.key_shift_state;
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+ if (kss & GRUB_EFI_SHIFT_STATE_VALID)
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+ {
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+ if (kss & GRUB_EFI_LEFT_SHIFT_PRESSED)
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+ mods |= GRUB_TERM_STATUS_LSHIFT;
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+ if (kss & GRUB_EFI_RIGHT_SHIFT_PRESSED)
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+ mods |= GRUB_TERM_STATUS_RSHIFT;
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+ if (kss & GRUB_EFI_LEFT_ALT_PRESSED)
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+ mods |= GRUB_TERM_STATUS_LALT;
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+ if (kss & GRUB_EFI_RIGHT_ALT_PRESSED)
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+ mods |= GRUB_TERM_STATUS_RALT;
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+ if (kss & GRUB_EFI_LEFT_CONTROL_PRESSED)
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+ mods |= GRUB_TERM_STATUS_LCTRL;
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+ if (kss & GRUB_EFI_RIGHT_CONTROL_PRESSED)
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+ mods |= GRUB_TERM_STATUS_RCTRL;
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+ }
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+
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+ return mods;
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+}
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+
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static grub_err_t
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grub_efi_console_input_init (struct grub_term_input *term)
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{
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@@ -403,6 +436,7 @@ static struct grub_term_input grub_console_term_input =
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{
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.name = "console",
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.getkey = grub_console_getkey,
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+ .getkeystatus = grub_console_getkeystatus,
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.init = grub_efi_console_input_init,
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};
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