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* grub-core/loader/arm/linux.c: Pass arguments through on ATAG

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platforms.
This commit is contained in:
Vladimir Serbinenko 2013-12-22 18:14:00 +01:00
parent 3deedfc033
commit 37f617c025
2 changed files with 26 additions and 6 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
2013-12-22 Vladimir Serbinenko <phcoder@gmail.com>
* grub-core/loader/arm/linux.c: Pass arguments through on ATAG
platforms.
2013-12-22 Lars Wendler <polynomial-c@gentoo.org>
* util/grub-mkconfig.in: Skip non-executable files.

27
grub-core/loader/arm/linux.c
View file

@ -74,6 +74,8 @@ linux_prepare_atag (void)
grub_uint32_t *tmp_atag, *from, *to;
grub_size_t tmp_size;
grub_size_t arg_size = grub_strlen (linux_args);
char *cmdline_orig = NULL;
grub_size_t cmdline_orig_len = 0;
/* some place for cmdline, initrd and terminator. */
tmp_size = get_atag_size (atag_orig) + 20 + (arg_size) / 4;
@ -88,7 +90,13 @@ linux_prepare_atag (void)
case 0x54410004:
case 0x54410005:
case 0x54420005:
case 0x54420009:
break;
case 0x54410009:
if (*(char *) (from + 2))
{
cmdline_orig = (char *) (from + 2);
cmdline_orig_len = grub_strlen (cmdline_orig) + 1;
}
break;
default:
grub_memcpy (to, from, sizeof (grub_uint32_t) * from[0]);
@ -96,15 +104,22 @@ linux_prepare_atag (void)
break;
}
grub_dprintf ("linux", "linux inherited args: '%s'\n",
cmdline_orig ? : "");
grub_dprintf ("linux", "linux_args: '%s'\n", linux_args);
/* Generate and set command line */
to[0] = 3 + arg_size / 4;
to[0] = 3 + (arg_size + cmdline_orig_len) / 4;
to[1] = 0x54410009;
grub_memcpy (to + 2, linux_args, arg_size);
grub_memset ((char *) to + 8 + arg_size, 0,
4 - (arg_size & 3));
to += 3 + arg_size / 4;
if (cmdline_orig)
{
grub_memcpy ((char *) to + 8, cmdline_orig, cmdline_orig_len - 1);
*((char *) to + 8 + cmdline_orig_len - 1) = ' ';
}
grub_memcpy ((char *) to + 8 + cmdline_orig_len, linux_args, arg_size);
grub_memset ((char *) to + 8 + cmdline_orig_len + arg_size, 0,
4 - ((arg_size + cmdline_orig_len) & 3));
to += to[0];
if (initrd_start && initrd_end)
{