grub2/0120-Fix-up-linux-params-usage.patch
Peter Jones ce21efa858 Change TSC calibration driver preference (prefer pmtimer over PIT)
- Pull in fixes for TSC calibration driver preference (prefer pmtimer
  over PIT) to boot on Apollo Lake systems with no PIT
- Fix pmtimer calibration to not take forever to fail on kvm.

Signed-off-by: Peter Jones <pjones@redhat.com>
2018-01-17 12:43:35 -05:00

45 lines
1.5 KiB
Diff

From 3019712d45a7934a2bf21de8e2745c03701b05cc Mon Sep 17 00:00:00 2001
From: Peter Jones <pjones@redhat.com>
Date: Tue, 30 May 2017 14:16:07 -0400
Subject: [PATCH 120/123] Fix up linux params usage...
Related: rhbz#1310763
Signed-off-by: Peter Jones <pjones@redhat.com>
---
grub-core/loader/i386/linux.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/grub-core/loader/i386/linux.c b/grub-core/loader/i386/linux.c
index b1335f9ed..763863abe 100644
--- a/grub-core/loader/i386/linux.c
+++ b/grub-core/loader/i386/linux.c
@@ -680,6 +680,7 @@ grub_cmd_linux (grub_command_t cmd __attribute__ ((unused)),
{
grub_file_t file = 0;
struct linux_kernel_header lh;
+ grub_uint8_t *linux_params_ptr;
grub_uint8_t setup_sects;
grub_size_t real_size, prot_size, prot_file_size, kernel_offset;
grub_ssize_t len;
@@ -811,6 +812,7 @@ grub_cmd_linux (grub_command_t cmd __attribute__ ((unused)),
preferred_address))
goto fail;
+
grub_memset (&linux_params, 0, sizeof (linux_params));
grub_memcpy (&linux_params.setup_sects, &lh.setup_sects, sizeof (lh) - 0x1F1);
@@ -820,7 +822,8 @@ grub_cmd_linux (grub_command_t cmd __attribute__ ((unused)),
len = sizeof (linux_params) - sizeof (lh);
- grub_memcpy (&linux_params + sizeof (lh), kernel + kernel_offset, len);
+ linux_params_ptr = (void *)&linux_params;
+ grub_memcpy (linux_params_ptr + sizeof (lh), kernel + kernel_offset, len);
kernel_offset += len;
linux_params.type_of_loader = GRUB_LINUX_BOOT_LOADER_TYPE;
--
2.14.3