diff --git a/nimble/host/src/ble_gap.c b/nimble/host/src/ble_gap.c
index b935eface0..b264efd5c9 100644
--- a/nimble/host/src/ble_gap.c
+++ b/nimble/host/src/ble_gap.c
@@ -2514,7 +2514,17 @@ ble_gap_adv_stop_no_lock(void)
 int
 ble_gap_adv_stop(void)
 {
-#if NIMBLE_BLE_ADVERTISE && !MYNEWT_VAL(BLE_EXT_ADV)
+#if NIMBLE_BLE_ADVERTISE
+#if MYNEWT_VAL(BLE_EXT_ADV)
+    int rc;
+
+    rc = ble_gap_ext_adv_stop(MYNEWT_VAL(BLE_HS_EXT_ADV_LEGACY_INSTANCE));
+    if (rc) {
+        return rc;
+    }
+
+    return ble_gap_ext_adv_remove(MYNEWT_VAL(BLE_HS_EXT_ADV_LEGACY_INSTANCE));
+#else
     int rc;
 
     if (!ble_hs_is_enabled()) {
@@ -2526,6 +2536,7 @@ ble_gap_adv_stop(void)
     ble_hs_unlock();
 
     return rc;
+#endif
 #else
     return BLE_HS_ENOTSUP;
 #endif
@@ -2712,7 +2723,73 @@ ble_gap_adv_start(uint8_t own_addr_type, const ble_addr_t *direct_addr,
                   const struct ble_gap_adv_params *adv_params,
                   ble_gap_event_fn *cb, void *cb_arg)
 {
-#if NIMBLE_BLE_ADVERTISE && !MYNEWT_VAL(BLE_EXT_ADV)
+#if NIMBLE_BLE_ADVERTISE
+#if MYNEWT_VAL(BLE_EXT_ADV)
+    struct ble_gap_ext_adv_params ext_params;
+    int duration;
+    int rc;
+
+    STATS_INC(ble_gap_stats, adv_start);
+
+    if (!ble_hs_is_enabled()) {
+        return BLE_HS_EDISABLED;
+    }
+
+    memset(&ext_params, 0, sizeof(ext_params));
+
+    ext_params.own_addr_type = own_addr_type;
+    ext_params.primary_phy = BLE_HCI_LE_PHY_1M;
+    ext_params.secondary_phy = BLE_HCI_LE_PHY_1M;
+    ext_params.tx_power = 127;
+    ext_params.sid = 0;
+    ext_params.legacy_pdu = 1;
+
+    switch (adv_params->conn_mode) {
+    case BLE_GAP_CONN_MODE_NON:
+        if (adv_params->disc_mode != BLE_GAP_DISC_MODE_NON) {
+            ext_params.scannable = 1;
+        }
+        break;
+    case BLE_GAP_CONN_MODE_DIR:
+        if (!direct_addr) {
+            return BLE_HS_EINVAL;
+        }
+
+        ext_params.peer = *direct_addr;
+        ext_params.directed = 1;
+        if (adv_params->high_duty_cycle) {
+            ext_params.high_duty_directed = 1;
+        }
+        break;
+    case BLE_GAP_CONN_MODE_UND:
+        ext_params.connectable = 1;
+        ext_params.scannable = 1;
+        break;
+    default:
+        return BLE_HS_EINVAL;
+    }
+
+    ext_params.itvl_min = adv_params->itvl_min;
+    ext_params.itvl_max = adv_params->itvl_max;
+    ext_params.channel_map = adv_params->channel_map;
+    ext_params.filter_policy = adv_params->filter_policy;
+    ext_params.high_duty_directed = adv_params->high_duty_cycle;
+
+    /* configure instance 0 */
+    rc = ble_gap_ext_adv_configure(MYNEWT_VAL(BLE_HS_EXT_ADV_LEGACY_INSTANCE),
+                                   &ext_params, NULL, cb, cb_arg);
+    if (rc) {
+        return rc;
+    }
+
+    if (duration_ms == BLE_HS_FOREVER) {
+        duration = 0;
+    } else {
+        duration = duration_ms / 10;
+    }
+
+    return ble_gap_ext_adv_start(MYNEWT_VAL(BLE_HS_EXT_ADV_LEGACY_INSTANCE), duration, 0);
+#else
     uint32_t duration_ticks;
     int rc;
 
@@ -2788,6 +2865,7 @@ ble_gap_adv_start(uint8_t own_addr_type, const ble_addr_t *direct_addr,
         STATS_INC(ble_gap_stats, adv_start_fail);
     }
     return rc;
+#endif
 #else
     return BLE_HS_ENOTSUP;
 #endif
@@ -2796,7 +2874,29 @@ ble_gap_adv_start(uint8_t own_addr_type, const ble_addr_t *direct_addr,
 int
 ble_gap_adv_set_data(const uint8_t *data, int data_len)
 {
-#if NIMBLE_BLE_ADVERTISE && !MYNEWT_VAL(BLE_EXT_ADV)
+#if NIMBLE_BLE_ADVERTISE
+#if MYNEWT_VAL(BLE_EXT_ADV)
+    struct os_mbuf *mbuf;
+    int rc;
+
+    if (((data == NULL) && (data_len != 0)) ||
+        (data_len > BLE_HCI_MAX_ADV_DATA_LEN)) {
+        return BLE_HS_EINVAL;
+    }
+
+    mbuf = os_msys_get_pkthdr(data_len, 0);
+    if (!mbuf) {
+        return BLE_HS_ENOMEM;
+    }
+
+    rc = os_mbuf_append(mbuf, data, data_len);
+    if (rc) {
+        os_mbuf_free_chain(mbuf);
+        return BLE_HS_ENOMEM;
+    }
+
+    return ble_gap_ext_adv_set_data(MYNEWT_VAL(BLE_HS_EXT_ADV_LEGACY_INSTANCE), mbuf);
+#else
     struct ble_hci_le_set_adv_data_cp cmd;
     uint16_t opcode;
 
@@ -2818,6 +2918,7 @@ ble_gap_adv_set_data(const uint8_t *data, int data_len)
     opcode = BLE_HCI_OP(BLE_HCI_OGF_LE, BLE_HCI_OCF_LE_SET_ADV_DATA);
 
     return ble_hs_hci_cmd_tx(opcode, &cmd, sizeof(cmd), NULL, 0);
+#endif
 #else
     return BLE_HS_ENOTSUP;
 #endif
@@ -2826,7 +2927,29 @@ ble_gap_adv_set_data(const uint8_t *data, int data_len)
 int
 ble_gap_adv_rsp_set_data(const uint8_t *data, int data_len)
 {
-#if NIMBLE_BLE_ADVERTISE && !MYNEWT_VAL(BLE_EXT_ADV)
+#if NIMBLE_BLE_ADVERTISE
+#if MYNEWT_VAL(BLE_EXT_ADV)
+    struct os_mbuf *mbuf;
+    int rc;
+
+    if (((data == NULL) && (data_len != 0)) ||
+        (data_len > BLE_HCI_MAX_ADV_DATA_LEN)) {
+        return BLE_HS_EINVAL;
+    }
+
+    mbuf = os_msys_get_pkthdr(data_len, 0);
+    if (!mbuf) {
+        return BLE_HS_ENOMEM;
+    }
+
+    rc = os_mbuf_append(mbuf, data, data_len);
+    if (rc) {
+        os_mbuf_free_chain(mbuf);
+        return BLE_HS_ENOMEM;
+    }
+
+    return ble_gap_ext_adv_rsp_set_data(MYNEWT_VAL(BLE_HS_EXT_ADV_LEGACY_INSTANCE), mbuf);
+#else
     struct ble_hci_le_set_scan_rsp_data_cp cmd;
     uint16_t opcode;
 
@@ -2846,6 +2969,7 @@ ble_gap_adv_rsp_set_data(const uint8_t *data, int data_len)
     opcode = BLE_HCI_OP(BLE_HCI_OGF_LE, BLE_HCI_OCF_LE_SET_SCAN_RSP_DATA);
 
     return ble_hs_hci_cmd_tx(opcode, &cmd, sizeof(cmd), NULL, 0);
+#endif
 #else
     return BLE_HS_ENOTSUP;
 #endif
@@ -2854,7 +2978,7 @@ ble_gap_adv_rsp_set_data(const uint8_t *data, int data_len)
 int
 ble_gap_adv_set_fields(const struct ble_hs_adv_fields *adv_fields)
 {
-#if NIMBLE_BLE_ADVERTISE && !MYNEWT_VAL(BLE_EXT_ADV)
+#if NIMBLE_BLE_ADVERTISE
     uint8_t buf[BLE_HS_ADV_MAX_SZ];
     uint8_t buf_sz;
     int rc;
@@ -2882,7 +3006,7 @@ ble_gap_adv_set_fields(const struct ble_hs_adv_fields *adv_fields)
 int
 ble_gap_adv_rsp_set_fields(const struct ble_hs_adv_fields *rsp_fields)
 {
-#if NIMBLE_BLE_ADVERTISE && !MYNEWT_VAL(BLE_EXT_ADV)
+#if NIMBLE_BLE_ADVERTISE
     uint8_t buf[BLE_HS_ADV_MAX_SZ];
     uint8_t buf_sz;
     int rc;
@@ -2907,7 +3031,7 @@ int
 ble_gap_adv_active(void)
 {
 #if NIMBLE_BLE_ADVERTISE
-    return ble_gap_adv_active_instance(0);
+    return ble_gap_adv_active_instance(MYNEWT_VAL(BLE_HS_EXT_ADV_LEGACY_INSTANCE));
 #else
     return 0;
 #endif
diff --git a/nimble/host/syscfg.yml b/nimble/host/syscfg.yml
index 69db7dfd35..93dbcd2ed9 100644
--- a/nimble/host/syscfg.yml
+++ b/nimble/host/syscfg.yml
@@ -27,6 +27,13 @@ syscfg.defs:
                 initialization.
         value: 1
 
+    BLE_HS_EXT_ADV_LEGACY_INSTANCE:
+        description: >
+            Advertising instance that is used when extended advertising
+            support is enabled but legacy GAP API is used.
+        range: 0..BLE_MULTI_ADV_INSTANCES
+        value: 0
+
     # Debug settings.
     BLE_HS_DEBUG:
         description: 'Enables extra runtime assertions.'
diff --git a/porting/examples/linux/include/syscfg/syscfg.h b/porting/examples/linux/include/syscfg/syscfg.h
index e4d2d3a46f..3c62cc3ca4 100644
--- a/porting/examples/linux/include/syscfg/syscfg.h
+++ b/porting/examples/linux/include/syscfg/syscfg.h
@@ -1,5 +1,5 @@
 /**
- * This file was generated by Apache newt version: 1.12.0-dev
+ * This file was generated by Apache newt version: 1.12.0
  */
 
 #ifndef H_MYNEWT_SYSCFG_
@@ -15,6 +15,7 @@
 #define MYNEWT_VAL(_name)                       MYNEWT_VAL_ ## _name
 #define MYNEWT_VAL_CHOICE(_name, _val)          MYNEWT_VAL_ ## _name ## __ ## _val
 
+/*** @apache-mynewt-core/crypto/tinycrypt */
 #ifndef MYNEWT_VAL_TINYCRYPT_SYSINIT_STAGE
 #define MYNEWT_VAL_TINYCRYPT_SYSINIT_STAGE (200)
 #endif
@@ -599,8 +600,8 @@
 #define MYNEWT_VAL_BLE_ATT_SVR_WRITE_NO_RSP (1)
 #endif
 
-#ifndef MYNEWT_VAL_BLE_AUDIO_MAX_CODEC_RECORDS
-#define MYNEWT_VAL_BLE_AUDIO_MAX_CODEC_RECORDS (0)
+#ifndef MYNEWT_VAL_BLE_AUDIO
+#define MYNEWT_VAL_BLE_AUDIO (0)
 #endif
 
 #ifndef MYNEWT_VAL_BLE_EATT_CHAN_NUM
@@ -727,6 +728,10 @@
 #define MYNEWT_VAL_BLE_HS_DEBUG (0)
 #endif
 
+#ifndef MYNEWT_VAL_BLE_HS_EXT_ADV_LEGACY_INSTANCE
+#define MYNEWT_VAL_BLE_HS_EXT_ADV_LEGACY_INSTANCE (0)
+#endif
+
 #ifndef MYNEWT_VAL_BLE_HS_FLOW_CTRL
 #define MYNEWT_VAL_BLE_HS_FLOW_CTRL (0)
 #endif
@@ -775,6 +780,14 @@
 #define MYNEWT_VAL_BLE_HS_SYSINIT_STAGE (200)
 #endif
 
+#ifndef MYNEWT_VAL_BLE_ISO_MAX_BIGS
+#define MYNEWT_VAL_BLE_ISO_MAX_BIGS (MYNEWT_VAL_BLE_MULTI_ADV_INSTANCES)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_ISO_MAX_BISES
+#define MYNEWT_VAL_BLE_ISO_MAX_BISES (4)
+#endif
+
 #ifndef MYNEWT_VAL_BLE_L2CAP_COC_MAX_NUM
 #define MYNEWT_VAL_BLE_L2CAP_COC_MAX_NUM (0)
 #endif
@@ -807,14 +820,6 @@
 #define MYNEWT_VAL_BLE_L2CAP_SIG_MAX_PROCS (1)
 #endif
 
-#ifndef MYNEWT_VAL_BLE_ISO_MAX_BIGS
-#define MYNEWT_VAL_BLE_ISO_MAX_BIGS (MYNEWT_VAL_BLE_MULTI_ADV_INSTANCES)
-#endif
-
-#ifndef MYNEWT_VAL_BLE_ISO_MAX_BISES
-#define MYNEWT_VAL_BLE_ISO_MAX_BISES (4)
-#endif
-
 #ifndef MYNEWT_VAL_BLE_MESH
 #define MYNEWT_VAL_BLE_MESH (0)
 #endif
diff --git a/porting/examples/linux/include/sysflash/sysflash.h b/porting/examples/linux/include/sysflash/sysflash.h
index 2f4d843f4c..942532360c 100644
--- a/porting/examples/linux/include/sysflash/sysflash.h
+++ b/porting/examples/linux/include/sysflash/sysflash.h
@@ -1,20 +1,23 @@
 /**
- * This file was generated by Apache newt version: 1.12.0-dev
+ * This file was generated by Apache newt version: 1.12.0
  */
 
 #ifndef H_MYNEWT_SYSFLASH_
 #define H_MYNEWT_SYSFLASH_
 
-#include "flash_map/flash_map.h"
-
 #define FLASH_AREA_COUNT 6
 
+/* MYNEWT_SYSFLASH_ONLY_CONST is defined when this header is used for linker script generation */
+#ifndef MYNEWT_SYSFLASH_ONLY_CONST
+#include "flash_map/flash_map.h"
+
 /**
  * This flash map definition is used for two purposes:
  * 1. To locate the meta area, which contains the true flash map definition.
  * 2. As a fallback in case the meta area cannot be read from flash.
  */
 extern const struct flash_area sysflash_map_dflt[FLASH_AREA_COUNT];
+#endif
 
 /* Flash map was defined in @apache-mynewt-core/hw/bsp/native */
 
diff --git a/porting/examples/linux_blemesh/include/syscfg/syscfg.h b/porting/examples/linux_blemesh/include/syscfg/syscfg.h
index 3919eb1eb0..e16ecb5b14 100644
--- a/porting/examples/linux_blemesh/include/syscfg/syscfg.h
+++ b/porting/examples/linux_blemesh/include/syscfg/syscfg.h
@@ -1,5 +1,5 @@
 /**
- * This file was generated by Apache newt version: 1.12.0-dev
+ * This file was generated by Apache newt version: 1.12.0
  */
 
 #ifndef H_MYNEWT_SYSCFG_
@@ -15,6 +15,7 @@
 #define MYNEWT_VAL(_name)                       MYNEWT_VAL_ ## _name
 #define MYNEWT_VAL_CHOICE(_name, _val)          MYNEWT_VAL_ ## _name ## __ ## _val
 
+/*** @apache-mynewt-core/crypto/tinycrypt */
 #ifndef MYNEWT_VAL_TINYCRYPT_SYSINIT_STAGE
 #define MYNEWT_VAL_TINYCRYPT_SYSINIT_STAGE (200)
 #endif
@@ -600,8 +601,8 @@
 #define MYNEWT_VAL_BLE_ATT_SVR_WRITE_NO_RSP (1)
 #endif
 
-#ifndef MYNEWT_VAL_BLE_AUDIO_MAX_CODEC_RECORDS
-#define MYNEWT_VAL_BLE_AUDIO_MAX_CODEC_RECORDS (0)
+#ifndef MYNEWT_VAL_BLE_AUDIO
+#define MYNEWT_VAL_BLE_AUDIO (0)
 #endif
 
 #ifndef MYNEWT_VAL_BLE_EATT_CHAN_NUM
@@ -728,6 +729,10 @@
 #define MYNEWT_VAL_BLE_HS_DEBUG (0)
 #endif
 
+#ifndef MYNEWT_VAL_BLE_HS_EXT_ADV_LEGACY_INSTANCE
+#define MYNEWT_VAL_BLE_HS_EXT_ADV_LEGACY_INSTANCE (0)
+#endif
+
 #ifndef MYNEWT_VAL_BLE_HS_FLOW_CTRL
 #define MYNEWT_VAL_BLE_HS_FLOW_CTRL (0)
 #endif
@@ -776,6 +781,14 @@
 #define MYNEWT_VAL_BLE_HS_SYSINIT_STAGE (200)
 #endif
 
+#ifndef MYNEWT_VAL_BLE_ISO_MAX_BIGS
+#define MYNEWT_VAL_BLE_ISO_MAX_BIGS (MYNEWT_VAL_BLE_MULTI_ADV_INSTANCES)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_ISO_MAX_BISES
+#define MYNEWT_VAL_BLE_ISO_MAX_BISES (4)
+#endif
+
 #ifndef MYNEWT_VAL_BLE_L2CAP_COC_MAX_NUM
 #define MYNEWT_VAL_BLE_L2CAP_COC_MAX_NUM (0)
 #endif
@@ -808,14 +821,6 @@
 #define MYNEWT_VAL_BLE_L2CAP_SIG_MAX_PROCS (1)
 #endif
 
-#ifndef MYNEWT_VAL_BLE_ISO_MAX_BIGS
-#define MYNEWT_VAL_BLE_ISO_MAX_BIGS (MYNEWT_VAL_BLE_MULTI_ADV_INSTANCES)
-#endif
-
-#ifndef MYNEWT_VAL_BLE_ISO_MAX_BISES
-#define MYNEWT_VAL_BLE_ISO_MAX_BISES (4)
-#endif
-
 /* Overridden by @apache-mynewt-nimble/porting/targets/linux_blemesh (defined by @apache-mynewt-nimble/nimble/host) */
 #ifndef MYNEWT_VAL_BLE_MESH
 #define MYNEWT_VAL_BLE_MESH (1)
diff --git a/porting/examples/linux_blemesh/include/sysflash/sysflash.h b/porting/examples/linux_blemesh/include/sysflash/sysflash.h
index 2f4d843f4c..942532360c 100644
--- a/porting/examples/linux_blemesh/include/sysflash/sysflash.h
+++ b/porting/examples/linux_blemesh/include/sysflash/sysflash.h
@@ -1,20 +1,23 @@
 /**
- * This file was generated by Apache newt version: 1.12.0-dev
+ * This file was generated by Apache newt version: 1.12.0
  */
 
 #ifndef H_MYNEWT_SYSFLASH_
 #define H_MYNEWT_SYSFLASH_
 
-#include "flash_map/flash_map.h"
-
 #define FLASH_AREA_COUNT 6
 
+/* MYNEWT_SYSFLASH_ONLY_CONST is defined when this header is used for linker script generation */
+#ifndef MYNEWT_SYSFLASH_ONLY_CONST
+#include "flash_map/flash_map.h"
+
 /**
  * This flash map definition is used for two purposes:
  * 1. To locate the meta area, which contains the true flash map definition.
  * 2. As a fallback in case the meta area cannot be read from flash.
  */
 extern const struct flash_area sysflash_map_dflt[FLASH_AREA_COUNT];
+#endif
 
 /* Flash map was defined in @apache-mynewt-core/hw/bsp/native */
 
diff --git a/porting/examples/nuttx/include/syscfg/syscfg.h b/porting/examples/nuttx/include/syscfg/syscfg.h
index 16cdc6c005..4740c348c3 100644
--- a/porting/examples/nuttx/include/syscfg/syscfg.h
+++ b/porting/examples/nuttx/include/syscfg/syscfg.h
@@ -1,5 +1,5 @@
 /**
- * This file was generated by Apache newt version: 1.12.0-dev
+ * This file was generated by Apache newt version: 1.12.0
  */
 
 #ifndef H_MYNEWT_SYSCFG_
@@ -15,6 +15,7 @@
 #define MYNEWT_VAL(_name)                       MYNEWT_VAL_ ## _name
 #define MYNEWT_VAL_CHOICE(_name, _val)          MYNEWT_VAL_ ## _name ## __ ## _val
 
+/*** @apache-mynewt-core/crypto/tinycrypt */
 #ifndef MYNEWT_VAL_TINYCRYPT_SYSINIT_STAGE
 #define MYNEWT_VAL_TINYCRYPT_SYSINIT_STAGE (200)
 #endif
@@ -599,8 +600,8 @@
 #define MYNEWT_VAL_BLE_ATT_SVR_WRITE_NO_RSP (1)
 #endif
 
-#ifndef MYNEWT_VAL_BLE_AUDIO_MAX_CODEC_RECORDS
-#define MYNEWT_VAL_BLE_AUDIO_MAX_CODEC_RECORDS (0)
+#ifndef MYNEWT_VAL_BLE_AUDIO
+#define MYNEWT_VAL_BLE_AUDIO (0)
 #endif
 
 #ifndef MYNEWT_VAL_BLE_EATT_CHAN_NUM
@@ -727,6 +728,10 @@
 #define MYNEWT_VAL_BLE_HS_DEBUG (0)
 #endif
 
+#ifndef MYNEWT_VAL_BLE_HS_EXT_ADV_LEGACY_INSTANCE
+#define MYNEWT_VAL_BLE_HS_EXT_ADV_LEGACY_INSTANCE (0)
+#endif
+
 #ifndef MYNEWT_VAL_BLE_HS_FLOW_CTRL
 #define MYNEWT_VAL_BLE_HS_FLOW_CTRL (0)
 #endif
@@ -775,6 +780,14 @@
 #define MYNEWT_VAL_BLE_HS_SYSINIT_STAGE (200)
 #endif
 
+#ifndef MYNEWT_VAL_BLE_ISO_MAX_BIGS
+#define MYNEWT_VAL_BLE_ISO_MAX_BIGS (MYNEWT_VAL_BLE_MULTI_ADV_INSTANCES)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_ISO_MAX_BISES
+#define MYNEWT_VAL_BLE_ISO_MAX_BISES (4)
+#endif
+
 #ifndef MYNEWT_VAL_BLE_L2CAP_COC_MAX_NUM
 #define MYNEWT_VAL_BLE_L2CAP_COC_MAX_NUM (0)
 #endif
@@ -807,14 +820,6 @@
 #define MYNEWT_VAL_BLE_L2CAP_SIG_MAX_PROCS (1)
 #endif
 
-#ifndef MYNEWT_VAL_BLE_ISO_MAX_BIGS
-#define MYNEWT_VAL_BLE_ISO_MAX_BIGS (MYNEWT_VAL_BLE_MULTI_ADV_INSTANCES)
-#endif
-
-#ifndef MYNEWT_VAL_BLE_ISO_MAX_BISES
-#define MYNEWT_VAL_BLE_ISO_MAX_BISES (4)
-#endif
-
 #ifndef MYNEWT_VAL_BLE_MESH
 #define MYNEWT_VAL_BLE_MESH (0)
 #endif
diff --git a/porting/examples/nuttx/include/sysflash/sysflash.h b/porting/examples/nuttx/include/sysflash/sysflash.h
index 2f4d843f4c..942532360c 100644
--- a/porting/examples/nuttx/include/sysflash/sysflash.h
+++ b/porting/examples/nuttx/include/sysflash/sysflash.h
@@ -1,20 +1,23 @@
 /**
- * This file was generated by Apache newt version: 1.12.0-dev
+ * This file was generated by Apache newt version: 1.12.0
  */
 
 #ifndef H_MYNEWT_SYSFLASH_
 #define H_MYNEWT_SYSFLASH_
 
-#include "flash_map/flash_map.h"
-
 #define FLASH_AREA_COUNT 6
 
+/* MYNEWT_SYSFLASH_ONLY_CONST is defined when this header is used for linker script generation */
+#ifndef MYNEWT_SYSFLASH_ONLY_CONST
+#include "flash_map/flash_map.h"
+
 /**
  * This flash map definition is used for two purposes:
  * 1. To locate the meta area, which contains the true flash map definition.
  * 2. As a fallback in case the meta area cannot be read from flash.
  */
 extern const struct flash_area sysflash_map_dflt[FLASH_AREA_COUNT];
+#endif
 
 /* Flash map was defined in @apache-mynewt-core/hw/bsp/native */
 
diff --git a/porting/nimble/include/syscfg/syscfg.h b/porting/nimble/include/syscfg/syscfg.h
index 4054f14403..766a5e46e6 100644
--- a/porting/nimble/include/syscfg/syscfg.h
+++ b/porting/nimble/include/syscfg/syscfg.h
@@ -1,5 +1,5 @@
 /**
- * This file was generated by Apache newt version: 1.12.0-dev
+ * This file was generated by Apache newt version: 1.12.0
  */
 
 #ifndef H_MYNEWT_SYSCFG_
@@ -15,6 +15,7 @@
 #define MYNEWT_VAL(_name)                       MYNEWT_VAL_ ## _name
 #define MYNEWT_VAL_CHOICE(_name, _val)          MYNEWT_VAL_ ## _name ## __ ## _val
 
+/*** @apache-mynewt-core/crypto/tinycrypt */
 #ifndef MYNEWT_VAL_TINYCRYPT_SYSINIT_STAGE
 #define MYNEWT_VAL_TINYCRYPT_SYSINIT_STAGE (200)
 #endif
@@ -598,8 +599,8 @@
 #define MYNEWT_VAL_BLE_ATT_SVR_WRITE_NO_RSP (1)
 #endif
 
-#ifndef MYNEWT_VAL_BLE_AUDIO_MAX_CODEC_RECORDS
-#define MYNEWT_VAL_BLE_AUDIO_MAX_CODEC_RECORDS (0)
+#ifndef MYNEWT_VAL_BLE_AUDIO
+#define MYNEWT_VAL_BLE_AUDIO (0)
 #endif
 
 #ifndef MYNEWT_VAL_BLE_EATT_CHAN_NUM
@@ -726,6 +727,10 @@
 #define MYNEWT_VAL_BLE_HS_DEBUG (0)
 #endif
 
+#ifndef MYNEWT_VAL_BLE_HS_EXT_ADV_LEGACY_INSTANCE
+#define MYNEWT_VAL_BLE_HS_EXT_ADV_LEGACY_INSTANCE (0)
+#endif
+
 #ifndef MYNEWT_VAL_BLE_HS_FLOW_CTRL
 #define MYNEWT_VAL_BLE_HS_FLOW_CTRL (0)
 #endif
@@ -774,6 +779,14 @@
 #define MYNEWT_VAL_BLE_HS_SYSINIT_STAGE (200)
 #endif
 
+#ifndef MYNEWT_VAL_BLE_ISO_MAX_BIGS
+#define MYNEWT_VAL_BLE_ISO_MAX_BIGS (MYNEWT_VAL_BLE_MULTI_ADV_INSTANCES)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_ISO_MAX_BISES
+#define MYNEWT_VAL_BLE_ISO_MAX_BISES (4)
+#endif
+
 #ifndef MYNEWT_VAL_BLE_L2CAP_COC_MAX_NUM
 #define MYNEWT_VAL_BLE_L2CAP_COC_MAX_NUM (0)
 #endif
@@ -806,14 +819,6 @@
 #define MYNEWT_VAL_BLE_L2CAP_SIG_MAX_PROCS (1)
 #endif
 
-#ifndef MYNEWT_VAL_BLE_ISO_MAX_BIGS
-#define MYNEWT_VAL_BLE_ISO_MAX_BIGS (MYNEWT_VAL_BLE_MULTI_ADV_INSTANCES)
-#endif
-
-#ifndef MYNEWT_VAL_BLE_ISO_MAX_BISES
-#define MYNEWT_VAL_BLE_ISO_MAX_BISES (4)
-#endif
-
 #ifndef MYNEWT_VAL_BLE_MESH
 #define MYNEWT_VAL_BLE_MESH (0)
 #endif
diff --git a/porting/nimble/include/sysflash/sysflash.h b/porting/nimble/include/sysflash/sysflash.h
index 2f4d843f4c..942532360c 100644
--- a/porting/nimble/include/sysflash/sysflash.h
+++ b/porting/nimble/include/sysflash/sysflash.h
@@ -1,20 +1,23 @@
 /**
- * This file was generated by Apache newt version: 1.12.0-dev
+ * This file was generated by Apache newt version: 1.12.0
  */
 
 #ifndef H_MYNEWT_SYSFLASH_
 #define H_MYNEWT_SYSFLASH_
 
-#include "flash_map/flash_map.h"
-
 #define FLASH_AREA_COUNT 6
 
+/* MYNEWT_SYSFLASH_ONLY_CONST is defined when this header is used for linker script generation */
+#ifndef MYNEWT_SYSFLASH_ONLY_CONST
+#include "flash_map/flash_map.h"
+
 /**
  * This flash map definition is used for two purposes:
  * 1. To locate the meta area, which contains the true flash map definition.
  * 2. As a fallback in case the meta area cannot be read from flash.
  */
 extern const struct flash_area sysflash_map_dflt[FLASH_AREA_COUNT];
+#endif
 
 /* Flash map was defined in @apache-mynewt-core/hw/bsp/native */
 
diff --git a/porting/npl/riot/include/syscfg/syscfg.h b/porting/npl/riot/include/syscfg/syscfg.h
index 1c46e12a63..a5634aed78 100644
--- a/porting/npl/riot/include/syscfg/syscfg.h
+++ b/porting/npl/riot/include/syscfg/syscfg.h
@@ -1,5 +1,5 @@
 /**
- * This file was generated by Apache newt version: 1.12.0-dev
+ * This file was generated by Apache newt version: 1.12.0
  */
 
 #ifndef H_MYNEWT_SYSCFG_
@@ -15,6 +15,7 @@
 #define MYNEWT_VAL(_name)                       MYNEWT_VAL_ ## _name
 #define MYNEWT_VAL_CHOICE(_name, _val)          MYNEWT_VAL_ ## _name ## __ ## _val
 
+/*** @apache-mynewt-core/compiler/arm-none-eabi-m4 */
 #ifndef MYNEWT_VAL_HARDFLOAT
 #define MYNEWT_VAL_HARDFLOAT (0)
 #endif
@@ -1205,7 +1206,6 @@
 #define MYNEWT_VAL_BLE_LL_ISO (0)
 #endif
 
-/* Value copied from BLE_LL_ISO_BROADCASTER */
 #ifndef MYNEWT_VAL_BLE_LL_ISO_BROADCASTER
 #define MYNEWT_VAL_BLE_LL_ISO_BROADCASTER (0)
 #endif
@@ -1515,8 +1515,8 @@
 #define MYNEWT_VAL_BLE_ATT_SVR_WRITE_NO_RSP (1)
 #endif
 
-#ifndef MYNEWT_VAL_BLE_AUDIO_MAX_CODEC_RECORDS
-#define MYNEWT_VAL_BLE_AUDIO_MAX_CODEC_RECORDS (0)
+#ifndef MYNEWT_VAL_BLE_AUDIO
+#define MYNEWT_VAL_BLE_AUDIO (0)
 #endif
 
 #ifndef MYNEWT_VAL_BLE_EATT_CHAN_NUM
@@ -1643,6 +1643,10 @@
 #define MYNEWT_VAL_BLE_HS_DEBUG (0)
 #endif
 
+#ifndef MYNEWT_VAL_BLE_HS_EXT_ADV_LEGACY_INSTANCE
+#define MYNEWT_VAL_BLE_HS_EXT_ADV_LEGACY_INSTANCE (0)
+#endif
+
 #ifndef MYNEWT_VAL_BLE_HS_FLOW_CTRL
 #define MYNEWT_VAL_BLE_HS_FLOW_CTRL (0)
 #endif
@@ -1691,6 +1695,14 @@
 #define MYNEWT_VAL_BLE_HS_SYSINIT_STAGE (200)
 #endif
 
+#ifndef MYNEWT_VAL_BLE_ISO_MAX_BIGS
+#define MYNEWT_VAL_BLE_ISO_MAX_BIGS (MYNEWT_VAL_BLE_MULTI_ADV_INSTANCES)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_ISO_MAX_BISES
+#define MYNEWT_VAL_BLE_ISO_MAX_BISES (4)
+#endif
+
 #ifndef MYNEWT_VAL_BLE_L2CAP_COC_MAX_NUM
 #define MYNEWT_VAL_BLE_L2CAP_COC_MAX_NUM (0)
 #endif
@@ -1723,14 +1735,6 @@
 #define MYNEWT_VAL_BLE_L2CAP_SIG_MAX_PROCS (1)
 #endif
 
-#ifndef MYNEWT_VAL_BLE_ISO_MAX_BIGS
-#define MYNEWT_VAL_BLE_ISO_MAX_BIGS (MYNEWT_VAL_BLE_MULTI_ADV_INSTANCES)
-#endif
-
-#ifndef MYNEWT_VAL_BLE_ISO_MAX_BISES
-#define MYNEWT_VAL_BLE_ISO_MAX_BISES (4)
-#endif
-
 #ifndef MYNEWT_VAL_BLE_MESH
 #define MYNEWT_VAL_BLE_MESH (0)
 #endif
diff --git a/porting/npl/riot/include/sysflash/sysflash.h b/porting/npl/riot/include/sysflash/sysflash.h
index 0194dc49a8..8710e9d3b5 100644
--- a/porting/npl/riot/include/sysflash/sysflash.h
+++ b/porting/npl/riot/include/sysflash/sysflash.h
@@ -1,20 +1,23 @@
 /**
- * This file was generated by Apache newt version: 1.12.0-dev
+ * This file was generated by Apache newt version: 1.12.0
  */
 
 #ifndef H_MYNEWT_SYSFLASH_
 #define H_MYNEWT_SYSFLASH_
 
-#include "flash_map/flash_map.h"
-
 #define FLASH_AREA_COUNT 6
 
+/* MYNEWT_SYSFLASH_ONLY_CONST is defined when this header is used for linker script generation */
+#ifndef MYNEWT_SYSFLASH_ONLY_CONST
+#include "flash_map/flash_map.h"
+
 /**
  * This flash map definition is used for two purposes:
  * 1. To locate the meta area, which contains the true flash map definition.
  * 2. As a fallback in case the meta area cannot be read from flash.
  */
 extern const struct flash_area sysflash_map_dflt[FLASH_AREA_COUNT];
+#endif
 
 /* Flash map was defined in @apache-mynewt-core/hw/bsp/nordic_pca10056 */