remapping RTE to RAM2

doc/eclipse_debugger_launch/ParaMETEO-STM32L476RG.launch

@@ -57,7 +57,7 @@
     <listAttribute key="org.eclipse.debug.core.MAPPED_RESOURCE_TYPES">
         <listEntry value="4"/>
     </listAttribute>
-    <stringAttribute key="org.eclipse.dsf.launch.MEMORY_BLOCKS" value="&lt;?xml version=&quot;1.0&quot; encoding=&quot;UTF-8&quot; standalone=&quot;no&quot;?&gt;&#10;&lt;memoryBlockExpressionList context=&quot;Context string&quot;/&gt;&#10;"/>
+    <stringAttribute key="org.eclipse.dsf.launch.MEMORY_BLOCKS" value="&lt;?xml version=&quot;1.0&quot; encoding=&quot;UTF-8&quot; standalone=&quot;no&quot;?&gt;&#10;&lt;memoryBlockExpressionList context=&quot;Context string&quot;&gt;&#10;    &lt;memoryBlockExpression address=&quot;0&quot; label=&quot;rte_wx_wind_qf&quot;/&gt;&#10;&lt;/memoryBlockExpressionList&gt;&#10;"/>
     <stringAttribute key="org.eclipse.embedcdt.debug.gdbjtag.core.PERIPHERALS" value="&lt;?xml version=&quot;1.0&quot; encoding=&quot;UTF-8&quot; standalone=&quot;no&quot;?&gt;&#10;&lt;peripherals&gt;&#10;    &lt;peripheral name=&quot;IWDG&quot;/&gt;&#10;    &lt;peripheral name=&quot;DBGMCU&quot;/&gt;&#10;    &lt;peripheral name=&quot;RTC&quot;/&gt;&#10;&lt;/peripherals&gt;&#10;"/>
     <stringAttribute key="process_factory_id" value="org.eclipse.cdt.dsf.gdb.GdbProcessFactory"/>
 </launchConfiguration>

include/stored_configuration_nvm/config_data.h

@@ -199,19 +199,30 @@ typedef struct __attribute__((aligned (4))) config_data_basic_t {
 	#define CONFIGURATION_SEC_MEDIUM_KISS	4U
 	/**
 	 * Configuration of how UDS diagnostics are secured access different
-	 * mediums. GET_VERSION_AND_ID and SECURITY_ACCESS are never locked
+	 * mediums. GET_VERSION_AND_ID and SECURITY_ACCESS are never locked.
+	 * If the service shall not(!!) be locked respective bit should be set to 0.
+	 * By default, when memory is fully erased everything is locked
 	 *
-	 * 	READ_DID and READ_MEMORY
+	 * Serial Port
-	 * bit 1 - APRSIS
+	 *  0 -	Read DID
-	 * bit 2 - RF network communication
+	 *  1 - Read Memory (log and
-	 * bit 3 - KISS serial port communication
+	 *  2 -
 	 *
-	 *  everything else
+	 *
-	 * bit 4 - APRSIS
+	 *  13 -
-	 * bit 5 - RF network communication
+	 *
-	 * bit 6 - KISS serial port communication
+	 * APRS Message (Radio network or APRS-IS server)
+	 *
+	 *  16 -
+	 *  17 -
+	 *
+	 *	29 -
+	 *
+	 * Common
+	 *	30 - Unlock all services by default when accessed via APRSMSG_TRANSPORT_ENCRYPTED_HEXSTRING
+	 *	31 -
 	 */
-	uint8_t uds_diagnostics_security_access;
+	uint32_t uds_diagnostics_security_access;
 
 } config_data_basic_t;
 

ldscripts/stm32l476/STM32L471RETx_FLASH.ld

@@ -153,8 +153,8 @@ SECTIONS
   {
     . = ALIGN(8);
     _sdata = .;        /* create a global symbol at data start */
-    *(.data)           /* .data sections */
+    EXCLUDE_FILE(*rte_wx.o *rte_main.o *rte_rtu.o) *(.data)           /* .data sections */
-    *(.data*)          /* .data* sections */
+    EXCLUDE_FILE(*rte_wx.o *rte_main.o *rte_rtu.o) *(.data*)          /* .data* sections */
 
     . = ALIGN(8);
     _edata = .;        /* define a global symbol at data end */
@@ -168,15 +168,52 @@ SECTIONS
     /* This is used by the startup in order to initialize the .bss secion */
     _sbss = .;         /* define a global symbol at bss start */
     __bss_start__ = _sbss;
-    *(.bss)
+    EXCLUDE_FILE(*rte_wx.o *rte_main.o *rte_rtu.o) *(.bss)
-    *(.bss*)
+    EXCLUDE_FILE(*rte_wx.o *rte_main.o *rte_rtu.o) *(.bss*)
-    *(COMMON)
+    EXCLUDE_FILE(*rte_wx.o *rte_main.o *rte_rtu.o) *(COMMON)
 
     . = ALIGN(4);
     _ebss = .;         /* define a global symbol at bss end */
     __bss_end__ = _ebss;
   } >RAM
 
+
+  .rte_bss : 
+  {
+    _s_rte_bss = .;         /* define a global symbol at bss start */
+    __bss_rte_start__ = _s_rte_bss;
+  	. = ALIGN(4);
+  	KEEP(*rte_wx.o (.bss))
+  	KEEP(*rte_wx.o (.bss*))
+  	KEEP(*rte_wx.o (COMMON))
+  	KEEP(*rte_main.o (.bss))
+  	KEEP(*rte_main.o (.bss*))
+  	KEEP(*rte_main.o (COMMON))
+  	KEEP(*rte_rtu.o (.bss))
+  	KEEP(*rte_rtu.o (.bss*))
+  	KEEP(*rte_rtu.o (COMMON))
+   	. = ALIGN(4);
+    _e_rte_bss = .;         /* define a global symbol at bss start */
+    __bss_rte_end__ = _e_rte_bss;
+  } >RAM2
+  
+	/* used by the startup to initialize data */
+  _si_rte_data = LOADADDR(.rte_data);
+  
+  .rte_data :
+  {
+  	_s_rte_data = .;        /* create a global symbol at data start */
+  	. = ALIGN(8);
+  	KEEP(*rte_wx.o (.data))
+  	KEEP(*rte_wx.o (.data*))
+  	KEEP(*rte_main.o (.data))
+  	KEEP(*rte_main.o (.data*))
+  	KEEP(*rte_rtu.o (.data))
+  	KEEP(*rte_rtu.o (.data*))
+   	. = ALIGN(8);  
+  	_e_rte_data = .;        /* create a global symbol at data start */
+  } >RAM2 AT> FLASH
+
   /* User_heap_stack section, used to check that there is enough RAM left */
   ._user_heap_stack :
   {

system/src/cmsis/stm32l4xx/startup_stm32l471xx.S

@@ -65,7 +65,8 @@ Reset_Handler:
 /* Call the clock system initialization function.*/
     bl  SystemInit
 
-/* Copy the data segment initializers from flash to SRAM */
+/* Main BSS and DATA section initialization */
+// DATA
   movs	r1, #0
   b	LoopCopyDataInit
 
@@ -81,9 +82,10 @@ LoopCopyDataInit:
 	adds	r2, r0, r1
 	cmp	r2, r3
 	bcc	CopyDataInit
+
+// BSS
 	ldr	r2, =_sbss
 	b	LoopFillZerobss
-/* Zero fill the bss segment. */
 FillZerobss:
 	movs	r3, #0
 	str	r3, [r2], #4
@@ -92,6 +94,42 @@ LoopFillZerobss:
 	ldr	r3, = _ebss
 	cmp	r2, r3
 	bcc	FillZerobss
+/* !!! END !!! Main BSS and DATA section initialization */
+
+
+/* RAM2 rte BSS and DATA section initialization */
+
+// DATA
+  movs	r1, #0
+  b	LoopCopyDataInitRte
+
+CopyDataInitRte:
+	ldr	r3, =_si_rte_data
+	ldr	r3, [r3, r1]
+	str	r3, [r0, r1]
+	adds	r1, r1, #4
+
+LoopCopyDataInitRte:
+	ldr	r0, =_s_rte_data
+	ldr	r3, =_e_rte_data
+	adds	r2, r0, r1
+	cmp	r2, r3
+	bcc	CopyDataInitRte
+
+// BSS
+	ldr r2, =_s_rte_bss
+	b	LoopFillZerobssRte
+FillZerobssRte:
+	movs	r3, #0
+	str	r3, [r2], #4
+
+LoopFillZerobssRte:
+	ldr	r3, = _e_rte_bss
+	cmp	r2, r3
+	bcc	FillZerobssRte
+
+/* END!!! RAM2 rte BSS and DATA section initialization */
+
 
 /* Call static constructors */
     bl __libc_init_array