From: T Karthik Reddy t.karthik.reddy@xilinx.com
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 ---
drivers/crypto/rsa_mod_exp/mod_exp_uclass.c | 15 ++++++++++++++- 1 file changed, 14 insertions(+), 1 deletion(-)
diff --git a/drivers/crypto/rsa_mod_exp/mod_exp_uclass.c b/drivers/crypto/rsa_mod_exp/mod_exp_uclass.c index 93deaa7f51e6..e91fe644580b 100644 --- a/drivers/crypto/rsa_mod_exp/mod_exp_uclass.c +++ b/drivers/crypto/rsa_mod_exp/mod_exp_uclass.c @@ -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;