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drivers: crypto: rsa_mod_exp: Add manual relocation for ops->mod_exp()

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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>
This commit is contained in:
T Karthik Reddy 2019-03-16 15:23:02 +05:30 committed by Michal Simek
parent 10088fb037
commit ef92ed26a5
1 changed files with 14 additions and 1 deletions
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15
drivers/crypto/rsa_mod_exp/mod_exp_uclass.c
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@ -13,10 +13,23 @@
#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)
{
const struct mod_exp_ops *ops = device_get_ops(dev);
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;