64 lines
2.5 KiB
Diff
64 lines
2.5 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Peter Jones <pjones@redhat.com>
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Date: Tue, 30 May 2017 14:16:07 -0400
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Subject: [PATCH] Fix up linux params usage...
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Signed-off-by: Peter Jones <pjones@redhat.com>
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---
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grub-core/loader/i386/efi/linux.c | 4 ++--
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grub-core/loader/i386/linux.c | 5 ++++-
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2 files changed, 6 insertions(+), 3 deletions(-)
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diff --git a/grub-core/loader/i386/efi/linux.c b/grub-core/loader/i386/efi/linux.c
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index bed5919cab3..6ff796f56ff 100644
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--- a/grub-core/loader/i386/efi/linux.c
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+++ b/grub-core/loader/i386/efi/linux.c
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@@ -161,7 +161,7 @@ grub_cmd_linux (grub_command_t cmd __attribute__ ((unused)),
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int argc, char *argv[])
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{
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grub_file_t file = 0;
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- struct linux_kernel_header *lh;
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+ struct linux_i386_kernel_header *lh;
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grub_ssize_t len, start, filelen;
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void *kernel = NULL;
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int setup_header_end_offset;
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@@ -224,7 +224,7 @@ grub_cmd_linux (grub_command_t cmd __attribute__ ((unused)),
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grub_memcpy ((grub_uint8_t *)params + 0x1f1,
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(grub_uint8_t *)kernel + 0x1f1,
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MIN(0x202+setup_header_end_offset,sizeof (*params)) - 0x1f1);
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- lh = (struct linux_kernel_header *)params;
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+ lh = (struct linux_i386_kernel_header *)params;
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grub_dprintf ("linuxefi", "lh is at %p\n", lh);
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grub_dprintf ("linuxefi", "checking lh->boot_flag\n");
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if (lh->boot_flag != grub_cpu_to_le16 (0xaa55))
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diff --git a/grub-core/loader/i386/linux.c b/grub-core/loader/i386/linux.c
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index 626ec9fef0c..35055431247 100644
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--- a/grub-core/loader/i386/linux.c
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+++ b/grub-core/loader/i386/linux.c
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@@ -680,6 +680,7 @@ grub_cmd_linux (grub_command_t cmd __attribute__ ((unused)),
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{
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grub_file_t file = 0;
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struct linux_i386_kernel_header lh;
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+ grub_uint8_t *linux_params_ptr;
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grub_uint8_t setup_sects;
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grub_size_t real_size, prot_size, prot_file_size, kernel_offset;
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grub_ssize_t len;
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@@ -811,6 +812,7 @@ grub_cmd_linux (grub_command_t cmd __attribute__ ((unused)),
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preferred_address))
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goto fail;
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+
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grub_memset (&linux_params, 0, sizeof (linux_params));
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grub_memcpy (&linux_params.setup_sects, &lh.setup_sects, sizeof (lh) - 0x1F1);
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@@ -820,7 +822,8 @@ grub_cmd_linux (grub_command_t cmd __attribute__ ((unused)),
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len = sizeof (linux_params) - sizeof (lh);
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- grub_memcpy (&linux_params + sizeof (lh), kernel + kernel_offset, len);
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+ linux_params_ptr = (void *)&linux_params;
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+ grub_memcpy (linux_params_ptr + sizeof (lh), kernel + kernel_offset, len);
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kernel_offset += len;
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linux_params.type_of_loader = GRUB_LINUX_BOOT_LOADER_TYPE;
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