mirror of
https://src.fedoraproject.org/rpms/grub2.git
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145 lines
4.4 KiB
Diff
145 lines
4.4 KiB
Diff
From 03e23ea91dfeb59bfcdf6545275e6bea68b6f6a8 Mon Sep 17 00:00:00 2001
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From: Vladimir 'phcoder' Serbinenko <phcoder@gmail.com>
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Date: Wed, 24 Apr 2013 18:39:00 +0200
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Subject: [PATCH 343/482] * grub-core/term/arc/console.c: Assume that
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console is 80x24 vt100 if it's serial.
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---
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ChangeLog | 5 +++
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grub-core/term/arc/console.c | 77 ++++++++++++++++++++++++++++++++++++++++++--
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include/grub/arc/arc.h | 2 +-
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3 files changed, 80 insertions(+), 4 deletions(-)
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diff --git a/ChangeLog b/ChangeLog
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index 2f55104..6c27f76 100644
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--- a/ChangeLog
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+++ b/ChangeLog
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@@ -1,5 +1,10 @@
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2013-04-24 Vladimir Serbinenko <phcoder@gmail.com>
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+ * grub-core/term/arc/console.c: Assume that console is 80x24 vt100 if
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+ it's serial.
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+
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+2013-04-24 Vladimir Serbinenko <phcoder@gmail.com>
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+
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* util/grub-install.in: Fix target fo qemu_mips.
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Fix extension on EFI.
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diff --git a/grub-core/term/arc/console.c b/grub-core/term/arc/console.c
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index 0ccaebe..13478ea 100644
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--- a/grub-core/term/arc/console.c
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+++ b/grub-core/term/arc/console.c
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@@ -50,10 +50,72 @@ put (struct grub_term_output *term __attribute__ ((unused)), const int c)
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static struct grub_terminfo_output_state grub_console_terminfo_output;
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-static grub_err_t
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-grub_console_init_output (struct grub_term_output *term)
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+static int
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+check_is_serial (void)
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+{
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+ static int is_serial = -1;
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+
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+ if (is_serial != -1)
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+ return is_serial;
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+
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+ const char *consout = 0;
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+
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+ /* Check for serial. It works unless user manually overrides ConsoleOut
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+ variable. If he does there is nothing we can do. Fortunately failure
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+ isn't critical.
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+ */
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+ if (GRUB_ARC_SYSTEM_PARAMETER_BLOCK->firmware_vector_length
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+ >= ((char *) (&GRUB_ARC_FIRMWARE_VECTOR->getenvironmentvariable + 1)
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+ - (char *) GRUB_ARC_FIRMWARE_VECTOR)
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+ && GRUB_ARC_FIRMWARE_VECTOR->getenvironmentvariable)
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+ consout = GRUB_ARC_FIRMWARE_VECTOR->getenvironmentvariable ("ConsoleOut");
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+ if (!consout)
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+ return is_serial = 0;
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+ if (consout[0] == '\0')
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+ return is_serial = 0;
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+
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+ const char *ptr = consout + grub_strlen (consout) - 1;
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+ int i;
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+ /*
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+ Recognize:
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+ serial(N)
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+ serial(N)other(M)
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+ */
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+ for (i = 0; i < 2; i++)
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+ {
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+ if (*ptr != ')')
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+ return is_serial = 0;
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+ ptr--;
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+ for (; ptr >= consout && grub_isdigit (*ptr); ptr--);
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+ if (ptr < consout)
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+ return is_serial = 0;
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+ if (*ptr != '(')
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+ return is_serial = 0;
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+ if (ptr >= consout + sizeof ("serial") - 1
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+ && grub_memcmp (ptr - (sizeof ("serial") - 1),
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+ "serial", sizeof ("serial") - 1) == 0)
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+ return is_serial = 1;
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+ if (!(ptr >= consout + sizeof ("other") - 1
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+ && grub_memcmp (ptr - (sizeof ("other") - 1),
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+ "other", sizeof ("other") - 1) == 0))
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+ return is_serial = 0;
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+ ptr -= sizeof ("other");
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+ }
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+ return 0;
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+}
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+
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+static void
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+set_console_dimensions (void)
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{
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struct grub_arc_display_status *info = NULL;
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+
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+ if (check_is_serial ())
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+ {
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+ grub_console_terminfo_output.width = 80;
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+ grub_console_terminfo_output.height = 24;
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+ return;
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+ }
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+
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if (GRUB_ARC_SYSTEM_PARAMETER_BLOCK->firmware_vector_length
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>= ((char *) (&GRUB_ARC_FIRMWARE_VECTOR->getdisplaystatus + 1)
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- (char *) GRUB_ARC_FIRMWARE_VECTOR)
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@@ -64,6 +126,12 @@ grub_console_init_output (struct grub_term_output *term)
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grub_console_terminfo_output.width = info->w + 1;
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grub_console_terminfo_output.height = info->h + 1;
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}
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+}
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+
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+static grub_err_t
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+grub_console_init_output (struct grub_term_output *term)
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+{
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+ set_console_dimensions ();
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grub_terminfo_output_init (term);
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return 0;
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@@ -115,5 +183,8 @@ void
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grub_console_init_lately (void)
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{
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grub_terminfo_init ();
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- grub_terminfo_output_register (&grub_console_term_output, "arc");
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+ if (check_is_serial ())
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+ grub_terminfo_output_register (&grub_console_term_output, "vt100");
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+ else
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+ grub_terminfo_output_register (&grub_console_term_output, "arc");
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}
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diff --git a/include/grub/arc/arc.h b/include/grub/arc/arc.h
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index 739926f..8f86500 100644
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--- a/include/grub/arc/arc.h
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+++ b/include/grub/arc/arc.h
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@@ -210,7 +210,7 @@ struct grub_arc_firmware_vector
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grub_arc_err_t (*seek) (grub_arc_fileno_t fileno,
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grub_arc_ularge_t *pos, grub_arc_enum_t mode);
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void *mount;
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- void *getenvironmentvariable;
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+ const char * (*getenvironmentvariable) (const char *name);
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void *setenvironmentvariable;
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/* 0x80. */
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--
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1.8.2.1
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