mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-08-22 01:48:52 +09:00
![T Karthik Reddy](/assets/img/avatar_default.png)
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+
|
|
/*
|
|
* (C) Copyright 2014 Freescale Semiconductor, Inc
|
|
* Author: Ruchika Gupta <ruchika.gupta@freescale.com>
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <dm.h>
|
|
#include <u-boot/rsa-mod-exp.h>
|
|
#include <errno.h>
|
|
#include <fdtdec.h>
|
|
#include <malloc.h>
|
|
#include <asm/io.h>
|
|
#include <linux/list.h>
|
|
|
|
#if !defined(USE_HOSTCC) && defined(CONFIG_NEEDS_MANUAL_RELOC)
|
|
DECLARE_GLOBAL_DATA_PTR;
|
|
#endif
|
|
|
|
int rsa_mod_exp(struct udevice *dev, const uint8_t *sig, uint32_t sig_len,
|
|
struct key_prop *node, uint8_t *out)
|
|
{
|
|
struct mod_exp_ops *ops = (struct mod_exp_ops *)device_get_ops(dev);
|
|
|
|
#if !defined(USE_HOSTCC) && defined(CONFIG_NEEDS_MANUAL_RELOC)
|
|
static bool done;
|
|
|
|
if (!done) {
|
|
done = true;
|
|
ops->mod_exp += gd->reloc_off;
|
|
}
|
|
#endif
|
|
|
|
if (!ops->mod_exp)
|
|
return -ENOSYS;
|
|
|
|
return ops->mod_exp(dev, sig, sig_len, node, out);
|
|
}
|
|
|
|
UCLASS_DRIVER(mod_exp) = {
|
|
.id = UCLASS_MOD_EXP,
|
|
.name = "rsa_mod_exp",
|
|
};
|