grub2/0113-efi-Better-grub_dprintf-in-our-module-loader.patch
Peter Jones da63b36ca7 Rebase to newer upstream and fix pmtimer.
- Rebase to current master
- Fix pmtimer calibration to not take forever to fail on kvm.

Signed-off-by: Peter Jones <pjones@redhat.com>
2018-01-17 15:41:44 -05:00

48 lines
1.4 KiB
Diff

From cb5decaaf3d53218031770c9a25a359630784fb6 Mon Sep 17 00:00:00 2001
From: Peter Jones <pjones@redhat.com>
Date: Mon, 1 May 2017 11:19:40 -0400
Subject: [PATCH 113/225] efi: Better grub_dprintf() in our module loader.
This adds a "sections" dprintf type that shows details of
grub_efi_module_addr()'s parsing of sections, whether they're valid or
not, and what their load addresses are.
Signed-off-by: Peter Jones <pjones@redhat.com>
---
grub-core/kern/efi/efi.c | 16 +++++++++++++---
1 file changed, 13 insertions(+), 3 deletions(-)
diff --git a/grub-core/kern/efi/efi.c b/grub-core/kern/efi/efi.c
index f3fb6e654..caa9d9979 100644
--- a/grub-core/kern/efi/efi.c
+++ b/grub-core/kern/efi/efi.c
@@ -313,13 +313,23 @@ grub_efi_modules_addr (void)
}
if (i == coff_header->num_sections)
- return 0;
+ {
+ grub_dprintf("sections", "section %d is last section; invalid.\n", i);
+ return 0;
+ }
info = (struct grub_module_info *) ((char *) image->image_base
+ section->virtual_address);
- if (info->magic != GRUB_MODULE_MAGIC)
- return 0;
+ if (section->name[0] != '.' && info->magic != GRUB_MODULE_MAGIC)
+ {
+ grub_dprintf("sections",
+ "section %d has bad magic %08lx, should be %08lx\n",
+ i, info->magic, GRUB_MODULE_MAGIC);
+ return 0;
+ }
+ grub_dprintf("sections", "returning section info for section %d: \"%s\"\n",
+ i, section->name);
return (grub_addr_t) info;
}
--
2.14.3