fsp_relocate.c

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/* SPDX-License-Identifier: GPL-2.0-only */
 
#include <console/console.h>
#include <cbfs.h>
#include <cbmem.h>
#include <commonlib/fsp.h>
#include <fsp/util.h>
 
int fsp_relocate(struct prog *fsp_relocd)
{
        void *fih;
        ssize_t fih_offset;
        size_t size;
 
        void *new_loc = cbfs_cbmem_alloc(prog_name(fsp_relocd),
                                         CBMEM_ID_REFCODE, &size);
        if (new_loc == NULL) {
                printk(BIOS_ERR, "Unable to load FSP into memory.\n");
                return -1;
        }
 
        fih_offset = fsp1_1_relocate((uintptr_t)new_loc, new_loc, size);
 
        if (fih_offset <= 0) {
                printk(BIOS_ERR, "FSP relocation failure.\n");
                return -1;
        }
 
        fih = (void *)((uint8_t *)new_loc + fih_offset);
 
        prog_set_area(fsp_relocd, new_loc, size);
        prog_set_entry(fsp_relocd, fih, NULL);
 
        return 0;
}