mirror of
https://src.fedoraproject.org/rpms/grub2.git
synced 2024-11-24 22:35:28 +00:00
afb0baacd6
The BLS config filenames are guaranteed to be unique, so they can be used as GRUB2 entry id and can also be used to sort the menu entries. Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
98 lines
2.7 KiB
Diff
98 lines
2.7 KiB
Diff
From 70b555a52a065b2beb91e6fc97a6b358c931b303 Mon Sep 17 00:00:00 2001
|
|
From: Julius Werner <jwerner@chromium.org>
|
|
Date: Tue, 9 May 2017 09:03:02 +0200
|
|
Subject: [PATCH 035/250] coreboot: Changed cbmemc to support updated console
|
|
format from coreboot.
|
|
|
|
---
|
|
grub-core/term/i386/coreboot/cbmemc.c | 50 ++++++++++++++++++++++++-----------
|
|
1 file changed, 35 insertions(+), 15 deletions(-)
|
|
|
|
diff --git a/grub-core/term/i386/coreboot/cbmemc.c b/grub-core/term/i386/coreboot/cbmemc.c
|
|
index 129248c7f47..cea9b84315b 100644
|
|
--- a/grub-core/term/i386/coreboot/cbmemc.c
|
|
+++ b/grub-core/term/i386/coreboot/cbmemc.c
|
|
@@ -29,11 +29,14 @@
|
|
|
|
GRUB_MOD_LICENSE ("GPLv3+");
|
|
|
|
+#define CURSOR_MASK ((1 << 28) - 1)
|
|
+#define OVERFLOW (1 << 31)
|
|
+
|
|
struct grub_linuxbios_cbmemc
|
|
{
|
|
grub_uint32_t size;
|
|
- grub_uint32_t pointer;
|
|
- char data[0];
|
|
+ grub_uint32_t cursor;
|
|
+ char body[0];
|
|
};
|
|
|
|
static struct grub_linuxbios_cbmemc *cbmemc;
|
|
@@ -41,11 +44,20 @@ static struct grub_linuxbios_cbmemc *cbmemc;
|
|
static void
|
|
put (struct grub_term_output *term __attribute__ ((unused)), const int c)
|
|
{
|
|
+ grub_uint32_t flags, cursor;
|
|
if (!cbmemc)
|
|
return;
|
|
- if (cbmemc->pointer < cbmemc->size)
|
|
- cbmemc->data[cbmemc->pointer] = c;
|
|
- cbmemc->pointer++;
|
|
+ flags = cbmemc->cursor & ~CURSOR_MASK;
|
|
+ cursor = cbmemc->cursor & CURSOR_MASK;
|
|
+ if (cursor >= cbmemc->size)
|
|
+ return;
|
|
+ cbmemc->body[cursor++] = c;
|
|
+ if (cursor >= cbmemc->size)
|
|
+ {
|
|
+ cursor = 0;
|
|
+ flags |= OVERFLOW;
|
|
+ }
|
|
+ cbmemc->cursor = flags | cursor;
|
|
}
|
|
|
|
struct grub_terminfo_output_state grub_cbmemc_terminfo_output =
|
|
@@ -87,21 +99,29 @@ grub_cmd_cbmemc (struct grub_command *cmd __attribute__ ((unused)),
|
|
int argc __attribute__ ((unused)),
|
|
char *argv[] __attribute__ ((unused)))
|
|
{
|
|
- grub_size_t len;
|
|
- char *str;
|
|
- struct grub_linuxbios_cbmemc *cbmemc_saved;
|
|
+ grub_size_t size, cursor;
|
|
+ struct grub_linuxbios_cbmemc *real_cbmemc;
|
|
|
|
if (!cbmemc)
|
|
return grub_error (GRUB_ERR_IO, "no CBMEM console found");
|
|
|
|
- len = cbmemc->pointer;
|
|
- if (len > cbmemc->size)
|
|
- len = cbmemc->size;
|
|
- str = cbmemc->data;
|
|
- cbmemc_saved = cbmemc;
|
|
+ real_cbmemc = cbmemc;
|
|
cbmemc = 0;
|
|
- grub_xnputs (str, len);
|
|
- cbmemc = cbmemc_saved;
|
|
+ cursor = real_cbmemc->cursor & CURSOR_MASK;
|
|
+ if (!(real_cbmemc->cursor & OVERFLOW) && cursor < real_cbmemc->size)
|
|
+ size = cursor;
|
|
+ else
|
|
+ size = real_cbmemc->size;
|
|
+ if (real_cbmemc->cursor & OVERFLOW)
|
|
+ {
|
|
+ if (cursor > size)
|
|
+ cursor = 0;
|
|
+ grub_xnputs(real_cbmemc->body + cursor, size - cursor);
|
|
+ grub_xnputs(real_cbmemc->body, cursor);
|
|
+ }
|
|
+ else
|
|
+ grub_xnputs(real_cbmemc->body, size);
|
|
+ cbmemc = real_cbmemc;
|
|
return 0;
|
|
}
|
|
|
|
--
|
|
2.17.1
|
|
|