Unify linkscript for all targets

Makefile.rules_generic

@@ -89,7 +89,9 @@ $(OBJ_DIR)/%.o: %.S $(BUILD_DEPENDENCIES) prepare
 	$(L)$(call as_cmdline,$(INCLUDES_PATH), $(DEFINES),$<,$@)
 
 ifeq ($(SCRIPT_LD),)
-SCRIPT_LD:=$(BOLOS_SDK)/target/$(TARGET)/script.ld
+MEMORY_LAYOUT:=$(BOLOS_SDK)/target/$(TARGET)/layout.ld
+SCRIPT_LD:=$(BOLOS_SDK)/target/script.ld
+LDFLAGS  += -T$(MEMORY_LAYOUT)
 else
 $(info Using custom link script: $(SCRIPT_LD))
 endif

target/nanos/layout.ld

@@ -0,0 +1,32 @@
+/*******************************************************************************
+*   Ledger Blue - Secure firmware
+*   (c) 2016, 2017, 2018, 2019, 2020 Ledger
+*
+*  Licensed under the Apache License, Version 2.0 (the "License");
+*  you may not use this file except in compliance with the License.
+*  You may obtain a copy of the License at
+*
+*      http://www.apache.org/licenses/LICENSE-2.0
+*
+*  Unless required by applicable law or agreed to in writing, software
+*  distributed under the License is distributed on an "AS IS" BASIS,
+*  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+*  See the License for the specific language governing permissions and
+*  limitations under the License.
+********************************************************************************/
+
+MEMORY
+{
+  FLASH   (rx)  : ORIGIN = 0xc0d00000, LENGTH = 400K
+  SRAM    (rwx) : ORIGIN = 0x20000200, LENGTH = 4K+512
+  CXSRAM  (rwx) : ORIGIN = 0x20001400, LENGTH = 1K
+}
+
+PAGE_SIZE  = 64;
+STACK_SIZE = DEFINED(stack_size) ? stack_size : 1024;
+
+SECTIONS {
+  .cx_ram : {
+    *(.bss.G_cx)
+  } > CXSRAM = 0x00
+}

target/nanos2/layout.ld

@@ -0,0 +1,25 @@
+/*******************************************************************************
+*   Ledger Blue - Secure firmware
+*   (c) 2016, 2017, 2018, 2019 Ledger
+*
+*  Licensed under the Apache License, Version 2.0 (the "License");
+*  you may not use this file except in compliance with the License.
+*  You may obtain a copy of the License at
+*
+*      http://www.apache.org/licenses/LICENSE-2.0
+*
+*  Unless required by applicable law or agreed to in writing, software
+*  distributed under the License is distributed on an "AS IS" BASIS,
+*  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+*  See the License for the specific language governing permissions and
+*  limitations under the License.
+********************************************************************************/
+
+MEMORY
+{
+  FLASH   (rx)  : ORIGIN = 0xc0de0000, LENGTH = 400K
+  SRAM    (rwx) : ORIGIN = 0xda7a0000, LENGTH = 30K
+}
+
+PAGE_SIZE  = 512;
+STACK_SIZE = 1500;