1 files changed, 42 insertions, 0 deletions
diff --git a/lib/bt/linker_common.lf b/lib/bt/linker_common.lf
new file mode 100644
index 00000000..501acd95
--- /dev/null
+++ b/lib/bt/linker_common.lf
@@ -0,0 +1,42 @@
+[sections:bt_bss]
+entries:
+    .bss+
+
+[sections:bt_common]
+entries:
+    COMMON
+
+[scheme:bt_default]
+entries:
+    bt_bss -> dram0_bss
+    bt_common -> dram0_bss
+    data -> dram0_data
+
+[scheme:bt_extram_bss]
+entries:
+    bt_bss -> extern_ram
+    bt_common -> extern_ram
+    data -> dram0_data
+
+# For the following fragments, order matters for
+# 'ALIGN(4) ALIGN(4, post) SURROUND(sym)', which generates:
+#
+#   . = ALIGN(4)
+#   _sym_start
+#   ...
+#   . = ALIGN(4)
+#   _sym_end
+
+[mapping:bt]
+archive: libbt.a
+entries:
+    if ESP_ALLOW_BSS_SEG_EXTERNAL_MEMORY = y:
+        * (bt_extram_bss);
+            bt_bss -> extern_ram ALIGN(4) ALIGN(4, post) SURROUND(bt_bss),
+            bt_common -> extern_ram ALIGN(4) ALIGN(4, post) SURROUND(bt_common),
+            data -> dram0_data  ALIGN(4) ALIGN(4, post) SURROUND(bt_data)
+    else:
+        * (bt_default);
+            bt_bss -> dram0_bss ALIGN(4) ALIGN(4, post) SURROUND(bt_bss),
+            bt_common -> dram0_bss ALIGN(4) ALIGN(4, post) SURROUND(bt_common),
+            data -> dram0_data  ALIGN(4) ALIGN(4, post) SURROUND(bt_data)