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arm: Move initrd upper to leave more space for kernel

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This patch allows to have bigger kernels. If the kernel grows, then it will
overwrite the initrd when it is extracted.

Signed-off-by: Guillaume GARDET <guillaume.gardet@arm.com>
Acked-by: Alexander Graf <agraf@suse.de>
Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
This commit is contained in:
Guillaume GARDET 2019-01-29 09:09:45 +01:00 committed by Daniel Kiper
parent a0e4ee533d
commit 748e544fd0
2 changed files with 3 additions and 3 deletions
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2
grub-core/loader/arm/linux.c
View file

@ -48,7 +48,7 @@ static const void *current_fdt;
typedef void (*kernel_entry_t) (int, unsigned long, void *); typedef void (*kernel_entry_t) (int, unsigned long, void *);
#define LINUX_PHYS_OFFSET (0x00008000) #define LINUX_PHYS_OFFSET (0x00008000)
#define LINUX_INITRD_PHYS_OFFSET (LINUX_PHYS_OFFSET + 0x02000000) #define LINUX_INITRD_PHYS_OFFSET (LINUX_PHYS_OFFSET + 0x03000000)
#define LINUX_FDT_PHYS_OFFSET (LINUX_INITRD_PHYS_OFFSET - 0x10000) #define LINUX_FDT_PHYS_OFFSET (LINUX_INITRD_PHYS_OFFSET - 0x10000)
static grub_size_t static grub_size_t

4
include/grub/arm/linux.h
View file

@ -42,7 +42,7 @@ struct linux_arm_kernel_header {
#if defined GRUB_MACHINE_UBOOT #if defined GRUB_MACHINE_UBOOT
# include <grub/uboot/uboot.h> # include <grub/uboot/uboot.h>
# define LINUX_ADDRESS (start_of_ram + 0x8000) # define LINUX_ADDRESS (start_of_ram + 0x8000)
# define LINUX_INITRD_ADDRESS (start_of_ram + 0x02000000) # define LINUX_INITRD_ADDRESS (start_of_ram + 0x03000000)
# define LINUX_FDT_ADDRESS (LINUX_INITRD_ADDRESS - 0x10000) # define LINUX_FDT_ADDRESS (LINUX_INITRD_ADDRESS - 0x10000)
# define grub_arm_firmware_get_boot_data grub_uboot_get_boot_data # define grub_arm_firmware_get_boot_data grub_uboot_get_boot_data
# define grub_arm_firmware_get_machine_type grub_uboot_get_machine_type # define grub_arm_firmware_get_machine_type grub_uboot_get_machine_type
@ -50,7 +50,7 @@ struct linux_arm_kernel_header {
#include <grub/fdtbus.h> #include <grub/fdtbus.h>
#include <grub/arm/coreboot/kernel.h> #include <grub/arm/coreboot/kernel.h>
# define LINUX_ADDRESS (start_of_ram + 0x8000) # define LINUX_ADDRESS (start_of_ram + 0x8000)
# define LINUX_INITRD_ADDRESS (start_of_ram + 0x02000000) # define LINUX_INITRD_ADDRESS (start_of_ram + 0x03000000)
# define LINUX_FDT_ADDRESS (LINUX_INITRD_ADDRESS - 0x10000) # define LINUX_FDT_ADDRESS (LINUX_INITRD_ADDRESS - 0x10000)
static inline const void * static inline const void *
grub_arm_firmware_get_boot_data (void) grub_arm_firmware_get_boot_data (void)