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From: Michal Simek <michal.simek@xilinx.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH 2/3] drivers: crypto: rsa_mod_exp: Add manual relocation for ops->mod_exp()
Date: Mon, 14 Oct 2019 14:56:36 +0200	[thread overview]
Message-ID: <dadba2f61317324c149f0d6b22da625f74b8f0c5.1571057794.git.michal.simek@xilinx.com> (raw)
In-Reply-To: <cover.1571057794.git.michal.simek@xilinx.com>

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;
-- 
2.17.1

  parent reply	other threads:[~2019-10-14 12:56 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-10-14 12:56 [U-Boot] [PATCH 0/3] crypto: Add manual relocation Michal Simek
2019-10-14 12:56 ` [U-Boot] [PATCH 1/3] common: hash: Manually relocate struct hash_algo Michal Simek
2019-10-14 12:56 ` Michal Simek [this message]
2019-10-14 12:56 ` [U-Boot] [PATCH 3/3] common: image-sig.c: Add manual relocation Michal Simek
2019-10-24 11:23 ` [U-Boot] [PATCH 0/3] crypto: " Michal Simek

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