From: Matthias Welwarsky <matthias.welwarsky@sysgo.com>
Date: Thu, 15 Sep 2016 15:17:05 +0000 (+0200)
Subject: aarch64: fix duplication of register cache
X-Git-Url: https://git.sur5r.net/?a=commitdiff_plain;h=18ab54b82a4b5660bcd93f2481bd24e73c6a1ce6;p=openocd

aarch64: fix duplication of register cache

Change-Id: Ib4422e39171f19eea3f0b5a86f9dccdbb7044265
Signed-off-by: Matthias Welwarsky <matthias.welwarsky@sysgo.com>
---

diff --git a/src/target/armv8_dpm.c b/src/target/armv8_dpm.c
index dc6682be..493ccca7 100644
--- a/src/target/armv8_dpm.c
+++ b/src/target/armv8_dpm.c
@@ -916,9 +916,11 @@ int armv8_dpm_setup(struct arm_dpm *dpm)
 	arm->read_core_reg = armv8_dpm_read_core_reg;
 	arm->write_core_reg = armv8_dpm_write_core_reg;
 
-	cache = armv8_build_reg_cache(target);
-	if (!cache)
-		return ERROR_FAIL;
+	if (arm->core_cache == NULL) {
+		cache = armv8_build_reg_cache(target);
+		if (!cache)
+			return ERROR_FAIL;
+	}
 
 	/* coprocessor access setup */
 	arm->mrc = dpmv8_mrc;