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ef92ed26a5
This patch adds manual relocation for Modular Exponentiation if CONFIG_NEEDS_MANUAL_RELOC is enabled. Signed-off-by: T Karthik Reddy <t.karthik.reddy@xilinx.com> Signed-off-by: Siva Durga Prasad Paladugu <siva.durga.paladugu@xilinx.com> Signed-off-by: Michal Simek <michal.simek@xilinx.com>
44 lines
935 B
C
44 lines
935 B
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* (C) Copyright 2014 Freescale Semiconductor, Inc
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* Author: Ruchika Gupta <ruchika.gupta@freescale.com>
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*/
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#include <common.h>
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#include <dm.h>
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#include <u-boot/rsa-mod-exp.h>
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#include <errno.h>
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#include <fdtdec.h>
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#include <malloc.h>
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#include <asm/io.h>
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#include <linux/list.h>
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#if !defined(USE_HOSTCC) && defined(CONFIG_NEEDS_MANUAL_RELOC)
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DECLARE_GLOBAL_DATA_PTR;
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#endif
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int rsa_mod_exp(struct udevice *dev, const uint8_t *sig, uint32_t sig_len,
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struct key_prop *node, uint8_t *out)
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{
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struct mod_exp_ops *ops = (struct mod_exp_ops *)device_get_ops(dev);
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#if !defined(USE_HOSTCC) && defined(CONFIG_NEEDS_MANUAL_RELOC)
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static bool done;
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if (!done) {
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done = true;
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ops->mod_exp += gd->reloc_off;
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}
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#endif
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if (!ops->mod_exp)
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return -ENOSYS;
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return ops->mod_exp(dev, sig, sig_len, node, out);
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}
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UCLASS_DRIVER(mod_exp) = {
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.id = UCLASS_MOD_EXP,
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.name = "rsa_mod_exp",
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};
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