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e1531466e1
This change updates grub to the 2.04 release. The new release changed how grub is built, so the bootstrap and bootstrap.conf files have to be added to the dist-git. Also, the gitignore file changed so it has to be updated. Since the patches have been forward ported to 2.04, there's no need for a logic to maintain a patch with the delta between the release and the grub master branch. So the release-to-master.patch is dropped and no longer is updated by the do-rebase script. Also since gnulib isn't part of the grub repository anymore and cloned by the boostrap tool, a gnulib tarball is included as other source file and copied before calling the bootstrap tool. That way grub can be built even in builders that only have access to the sources lookaside cache. Resolves: rhbz#1727279 Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
102 lines
3.4 KiB
Diff
102 lines
3.4 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 15:54:44 +0200
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Subject: [PATCH] EFI: console: Add grub_console_read_key_stroke() helper
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function
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This is a preparation patch for adding getkeystatus() support to the
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EFI console terminal input driver.
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We can get modifier status through the simple_text_input read_key_stroke
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method, but if a non-modifier key is (also) pressed the read_key_stroke
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call will consume that key from the firmware's queue.
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The new grub_console_read_key_stroke() helper buffers upto 1 key-stroke.
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If it has a non-modifier key buffered, it will return that one, if its
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buffer is empty, it will fills its buffer by getting a new key-stroke.
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If called with consume=1 it will empty its buffer after copying the
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key-data to the callers buffer, this is how getkey() will use it.
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If called with consume=0 it will keep the last key-stroke buffered, this
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is how getkeystatus() will call it. This means that if a non-modifier
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key gets pressed, repeated getkeystatus() calls will return the modifiers
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of that key-press until it is consumed by a getkey() call.
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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 | 51 ++++++++++++++++++++++++++++++++++----------
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1 file changed, 40 insertions(+), 11 deletions(-)
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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 051633d71e9..3d36c5c701b 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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@@ -157,27 +157,56 @@ grub_console_getkey_con (struct grub_term_input *term __attribute__ ((unused)))
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return grub_efi_translate_key(key);
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}
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+/*
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+ * When more then just modifiers are pressed, our getkeystatus() consumes a
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+ * press from the queue, this function buffers the press for the regular
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+ * getkey() so that it does not get lost.
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+ */
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+static int
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+grub_console_read_key_stroke (
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+ grub_efi_simple_text_input_ex_interface_t *text_input,
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+ grub_efi_key_data_t *key_data_ret, int *key_ret,
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+ int consume)
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+{
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+ static grub_efi_key_data_t key_data;
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+ grub_efi_status_t status;
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+ int key;
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+
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+ if (!text_input)
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+ return GRUB_ERR_EOF;
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+
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+ key = grub_efi_translate_key (key_data.key);
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+ if (key == GRUB_TERM_NO_KEY) {
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+ status = efi_call_2 (text_input->read_key_stroke, text_input, &key_data);
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+ if (status != GRUB_EFI_SUCCESS)
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+ return GRUB_ERR_EOF;
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+
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+ key = grub_efi_translate_key (key_data.key);
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+ }
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+
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+ *key_data_ret = key_data;
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+ *key_ret = key;
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+
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+ if (consume) {
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+ key_data.key.scan_code = 0;
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+ key_data.key.unicode_char = 0;
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+ }
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+
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+ return 0;
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+}
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+
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static int
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grub_console_getkey_ex(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_status_t status;
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grub_efi_uint32_t kss;
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int key = -1;
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- grub_efi_simple_text_input_ex_interface_t *text_input = term->data;
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-
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- status = efi_call_2 (text_input->read_key_stroke, text_input, &key_data);
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-
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- if (status != GRUB_EFI_SUCCESS)
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+ if (grub_console_read_key_stroke (term->data, &key_data, &key, 1) ||
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+ key == GRUB_TERM_NO_KEY)
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return GRUB_TERM_NO_KEY;
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kss = key_data.key_state.key_shift_state;
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- key = grub_efi_translate_key(key_data.key);
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-
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- if (key == GRUB_TERM_NO_KEY)
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- return GRUB_TERM_NO_KEY;
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-
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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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