diff --git a/services/std_svc/rmmd/rmmd_main.c b/services/std_svc/rmmd/rmmd_main.c
index e9004c7..c4ea706 100644
--- a/services/std_svc/rmmd/rmmd_main.c
+++ b/services/std_svc/rmmd/rmmd_main.c
@@ -30,6 +30,7 @@
 #include <services/rmi_svc.h>
 #include <services/rmmd_svc.h>
 #include <smccc_helpers.h>
+#include <lib/extensions/sve.h>
 #include "rmmd_initial_context.h"
 #include "rmmd_private.h"
 
@@ -112,6 +113,26 @@
 }
 
 /*******************************************************************************
+ * Enable architecture extensions on first entry to Realm world.
+ ******************************************************************************/
+static void manage_extensions_realm(cpu_context_t *ctx)
+{
+#if ENABLE_SVE_FOR_NS
+	/*
+	 * Enable SVE and FPU in realm context when it is enabled for NS.
+	 * Realm manager must ensure that the SVE and FPU register
+	 * contexts are properly managed.
+	 */
+	sve_enable(ctx);
+#else
+	/*
+	 * Disable SVE and FPU in realm context when it is disabled for NS.
+	 */
+	sve_disable(ctx);
+#endif /* ENABLE_SVE_FOR_NS */
+}
+
+/*******************************************************************************
  * Jump to the RMM for the first time.
  ******************************************************************************/
 static int32_t rmm_init(void)
@@ -124,6 +145,9 @@
 	INFO("RMM init start.\n");
 	ctx->state = RMM_STATE_RESET;
 
+	/* Enable architecture extensions */
+	manage_extensions_realm(&ctx->cpu_ctx);
+
 	/* Initialize RMM EL2 context. */
 	rmm_el2_context_init(&ctx->cpu_ctx.el2_sysregs_ctx);
 
@@ -281,6 +305,9 @@
 	/* Initialise RMM context with this entry point information */
 	cm_setup_context(&ctx->cpu_ctx, rmm_ep_info);
 
+	/* Enable architecture extensions */
+	manage_extensions_realm(&ctx->cpu_ctx);
+
 	/* Initialize RMM EL2 context. */
 	rmm_el2_context_init(&ctx->cpu_ctx.el2_sysregs_ctx);