efi: Move relocate_kernel() to shared file.

The relocate_kernel() function will be generalized and used
by all architectures, as they all have similar requirements.

Signed-off-by: Roy Franz <roy.franz@linaro.org>
Signed-off-by: Matt Fleming <matt.fleming@intel.com>

1 files changed, 0 insertions, 34 deletions

diff --git a/arch/x86/boot/compressed/eboot.c b/arch/x86/boot/compressed/eboot.c
index 2a4430a0fb03..5bbba868e2bc 100644
--- a/arch/x86/boot/compressed/eboot.c
+++ b/arch/x86/boot/compressed/eboot.c
@@ -677,40 +677,6 @@ free_mem_map:
         return status;
 }
 
-static efi_status_t relocate_kernel(struct setup_header *hdr)
-{
-        unsigned long start, nr_pages;
-        efi_status_t status;
-
-        /*
-         * The EFI firmware loader could have placed the kernel image
-         * anywhere in memory, but the kernel has various restrictions
-         * on the max physical address it can run at. Attempt to move
-         * the kernel to boot_params.pref_address, or as low as
-         * possible.
-         */
-        start = hdr->pref_address;
-        nr_pages = round_up(hdr->init_size, EFI_PAGE_SIZE) / EFI_PAGE_SIZE;
-
-        status = efi_call_phys4(sys_table->boottime->allocate_pages,
-                                EFI_ALLOCATE_ADDRESS, EFI_LOADER_DATA,
-                                nr_pages, &start);
-        if (status != EFI_SUCCESS) {
-                status = efi_low_alloc(sys_table, hdr->init_size,
-                                   hdr->kernel_alignment, &start);
-                if (status != EFI_SUCCESS)
-                        efi_printk(sys_table, "Failed to alloc mem for kernel\n");
-        }
-
-        if (status == EFI_SUCCESS)
-                memcpy((void *)start, (void *)(unsigned long)hdr->code32_start,
-                       hdr->init_size);
-
-        hdr->pref_address = hdr->code32_start;
-        hdr->code32_start = (__u32)start;
-
-        return status;
-}
 
 /*
  * On success we return a pointer to a boot_params structure, and NULL