@@ -1665,7 +1665,8 @@ module = {
powerpc_ieee1275 = loader/powerpc/ieee1275/linux.c;
sparc64_ieee1275 = loader/sparc64/ieee1275/linux.c;
ia64_efi = loader/ia64/efi/linux.c;
- arm = loader/arm/linux.c;
+ arm_uboot = loader/arm/linux.c;
+ arm_efi = loader/arm64/linux.c;
arm64 = loader/arm64/linux.c;
common = loader/linux.c;
common = lib/cmdline.c;
@@ -1674,7 +1675,7 @@ module = {
module = {
name = fdt;
- arm64 = loader/efi/fdt.c;
+ efi = loader/efi/fdt.c;
common = lib/fdt.c;
enable = fdt;
};
@@ -170,33 +170,3 @@ grub_efi_allocate_loader_memory (grub_uint32_t min_offset, grub_uint32_t size)
grub_free (mmap);
return NULL;
}
-
-grub_err_t
-grub_efi_prepare_platform (void)
-{
- grub_efi_uintn_t mmap_size;
- grub_efi_uintn_t map_key;
- grub_efi_uintn_t desc_size;
- grub_efi_uint32_t desc_version;
- grub_efi_memory_descriptor_t *mmap_buf;
- grub_err_t err;
-
- /*
- * Cloned from IA64
- * Must be done after grub_machine_fini because map_key is used by
- *exit_boot_services.
- */
- mmap_size = find_mmap_size ();
- if (! mmap_size)
- return GRUB_ERR_OUT_OF_MEMORY;
- mmap_buf = grub_efi_allocate_pages (0, page_align (mmap_size) >> 12);
- if (! mmap_buf)
- return GRUB_ERR_OUT_OF_MEMORY;
-
- err = grub_efi_finish_boot_services (&mmap_size, mmap_buf, &map_key,
- &desc_size, &desc_version);
- if (err != GRUB_ERR_NONE)
- return err;
-
- return GRUB_ERR_NONE;
-}
@@ -46,9 +46,6 @@ static void *fdt_addr;
typedef void (*kernel_entry_t) (int, unsigned long, void *);
-#define LINUX_ZIMAGE_OFFSET 0x24
-#define LINUX_ZIMAGE_MAGIC 0x016f2818
-
#define LINUX_PHYS_OFFSET (0x00008000)
#define LINUX_INITRD_PHYS_OFFSET (LINUX_PHYS_OFFSET + 0x02000000)
#define LINUX_FDT_PHYS_OFFSET (LINUX_INITRD_PHYS_OFFSET - 0x10000)
@@ -274,15 +271,6 @@ linux_boot (void)
*/
linuxmain = (kernel_entry_t) linux_addr;
-#ifdef GRUB_MACHINE_EFI
- {
- grub_err_t err;
- err = grub_efi_prepare_platform();
- if (err != GRUB_ERR_NONE)
- return err;
- }
-#endif
-
grub_arm_disable_caches_mmu ();
linuxmain (0, machine_type, fdt_addr);
@@ -296,17 +284,12 @@ linux_boot (void)
static grub_err_t
linux_load (const char *filename, grub_file_t file)
{
+ struct grub_linux_kernel_header *lh;
int size;
size = grub_file_size (file);
-#ifdef GRUB_MACHINE_EFI
- linux_addr = (grub_addr_t) grub_efi_allocate_loader_memory (LINUX_PHYS_OFFSET, size);
- if (!linux_addr)
- return grub_errno;
-#else
linux_addr = LINUX_ADDRESS;
-#endif
grub_dprintf ("loader", "Loading Linux to 0x%08x\n",
(grub_addr_t) linux_addr);
@@ -318,9 +301,10 @@ linux_load (const char *filename, grub_file_t file)
return grub_errno;
}
- if (size > LINUX_ZIMAGE_OFFSET + 4
- && *(grub_uint32_t *) (linux_addr + LINUX_ZIMAGE_OFFSET)
- == LINUX_ZIMAGE_MAGIC)
+ lh = (void *) linux_addr;
+
+ if ((grub_size_t) size > sizeof (*lh) &&
+ lh->magic == GRUB_LINUX_MAGIC_SIGNATURE)
;
else if (size > 0x8000 && *(grub_uint32_t *) (linux_addr) == 0xea000006
&& machine_type == GRUB_ARM_MACHINE_TYPE_RASPBERRY_PI)
@@ -410,20 +394,7 @@ grub_cmd_initrd (grub_command_t cmd __attribute__ ((unused)),
size = grub_get_initrd_size (&initrd_ctx);
-#ifdef GRUB_MACHINE_EFI
- if (initrd_start)
- grub_efi_free_pages (initrd_start,
- (initrd_end - initrd_start + 0xfff) >> 12);
- initrd_start = (grub_addr_t) grub_efi_allocate_loader_memory (LINUX_INITRD_PHYS_OFFSET, size);
-
- if (!initrd_start)
- {
- grub_error (GRUB_ERR_OUT_OF_MEMORY, N_("out of memory"));
- goto fail;
- }
-#else
initrd_start = LINUX_INITRD_ADDRESS;
-#endif
grub_dprintf ("loader", "Loading initrd to 0x%08x\n",
(grub_addr_t) initrd_start);
@@ -473,16 +444,7 @@ grub_cmd_devicetree (grub_command_t cmd __attribute__ ((unused)),
goto out;
}
-#ifdef GRUB_MACHINE_EFI
- fdt_addr = grub_efi_allocate_loader_memory (LINUX_FDT_PHYS_OFFSET, size);
- if (!fdt_addr)
- {
- grub_error (GRUB_ERR_OUT_OF_MEMORY, N_("out of memory"));
- goto out;
- }
-#else
fdt_addr = (void *) LINUX_FDT_ADDRESS;
-#endif
grub_dprintf ("loader", "Loading device tree to 0x%08x\n",
(grub_addr_t) fdt_addr);
@@ -19,7 +19,6 @@
#ifndef GRUB_LOADER_MACHINE_HEADER
#define GRUB_LOADER_MACHINE_HEADER 1
-grub_err_t EXPORT_FUNC (grub_efi_prepare_platform) (void);
void * EXPORT_FUNC (grub_efi_allocate_loader_memory) (grub_uint32_t min_offset,
grub_uint32_t size);
@@ -3,4 +3,7 @@
#define GRUB_EFI_MAX_USABLE_ADDRESS 0xffffffff
+#define GRUB_EFI_PAGE_SHIFT 12
+#define GRUB_EFI_BYTES_TO_PAGES(bytes) (((bytes) + 0xfff) >> GRUB_EFI_PAGE_SHIFT)
+
#endif /* ! GRUB_MEMORY_CPU_HEADER */
@@ -20,38 +20,37 @@
#ifndef GRUB_LINUX_CPU_HEADER
#define GRUB_LINUX_CPU_HEADER 1
-#define LINUX_ZIMAGE_OFFSET 0x24
-#define LINUX_ZIMAGE_MAGIC 0x016f2818
+#define GRUB_LINUX_MAGIC_SIGNATURE 0x016f2818
-#include "system.h"
+struct grub_linux_kernel_header {
+ grub_uint32_t code0;
+ grub_uint32_t reserved1[8];
+ grub_uint32_t magic;
+ grub_uint32_t start; /* _start */
+ grub_uint32_t end; /* _edata */
+ grub_uint32_t reserved2[4];
+ grub_uint32_t hdr_offset;
+};
#if defined GRUB_MACHINE_UBOOT
+
+# include "system.h"
# include <grub/uboot/uboot.h>
# define LINUX_ADDRESS (start_of_ram + 0x8000)
# define LINUX_INITRD_ADDRESS (start_of_ram + 0x02000000)
# 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_machine_type grub_uboot_get_machine_type
+# define FDT_ADDITIONAL_ENTRIES_SIZE 0x300
+
#elif defined GRUB_MACHINE_EFI
-# include <grub/efi/efi.h>
-# include <grub/machine/loader.h>
-/* On UEFI platforms - load the images at the lowest available address not
- less than *_PHYS_OFFSET from the first available memory location. */
-# define LINUX_PHYS_OFFSET (0x00008000)
-# define LINUX_INITRD_PHYS_OFFSET (LINUX_PHYS_OFFSET + 0x02000000)
-# define LINUX_FDT_PHYS_OFFSET (LINUX_INITRD_PHYS_OFFSET - 0x10000)
-static inline grub_addr_t
-grub_arm_firmware_get_boot_data (void)
-{
- return 0;
-}
-static inline grub_uint32_t
-grub_arm_firmware_get_machine_type (void)
-{
- return GRUB_ARM_MACHINE_TYPE_FDT;
-}
-#endif
-#define FDT_ADDITIONAL_ENTRIES_SIZE 0x300
+#include <grub/efi/efi.h>
+
+grub_err_t grub_efi_linux_check_image (struct grub_linux_kernel_header *lh);
+grub_err_t grub_efi_linux_boot_image (grub_addr_t addr, grub_size_t size,
+ char *args);
+
+#endif
#endif /* ! GRUB_LINUX_CPU_HEADER */