Add GNU link script. (copy from STM32F1)

Add debug configure file.

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@2089 bbd45198-f89e-11dd-88c7-29a3b14d5316

bsp/stm32f20x/STM32F2xx_TP.ini

+/******************************************************************************/
+/* STM32F2xx_TP.ini: STM32F2xx Debugger Initialization File                   */
+/******************************************************************************/
+// <<< Use Configuration Wizard in Context Menu >>>                           // 
+/******************************************************************************/
+/* This file is part of the uVision/ARM development tools.                    */
+/* Copyright (c) 2010 Keil Software. All rights reserved.                     */
+/* This software may only be used under the terms of a valid, current,        */
+/* end user licence from KEIL for a compatible version of KEIL software       */
+/* development tools. Nothing else gives you the right to use this software.  */
+/******************************************************************************/
+
+
+FUNC void DebugSetup (void) {
+// <h> Debug MCU Configuration
+//   <o12.0>    DBG_SLEEP     <i> Debug Sleep Mode
+//   <o12.1>    DBG_STOP      <i> Debug Stop Mode
+//   <o12.2>    DBG_STANDBY   <i> Debug Standby Mode
+//   <o12.5>    TRACE_IOEN    <i> Trace I/O Enable 
+//   <o12.6..7> TRACE_MODE    <i> Trace Mode
+//             <0=> Asynchronous
+//             <1=> Synchronous: TRACEDATA Size 1
+//             <2=> Synchronous: TRACEDATA Size 2
+//             <3=> Synchronous: TRACEDATA Size 4
+// </h>
+
+ _WDWORD(0x40023830, _RDWORD(0x40023830) | 0x00000010); // RCC_AHB1ENR:   IO port E clock enable
+ _WDWORD(0x40021000, 0x00002AA0);                       // GPIOE_MODER:   PE2..PE6 = Alternate function mode
+ _WDWORD(0x40021008, 0x00001550);                       // GPIOx_OSPEEDR: PE2..PE6 = 25 MHz Medium speed
+ _WDWORD(0x4002100C, 0x00001550);                       // GPIOx_PUPDR:   PE2..PE6 = Pull-up
+ _WDWORD(0x40021020, 0x00000000);                       // GPIOx_AFRL:    PE2..PE6 = AF0
+
+ _WDWORD(0xE0042004, 0x000000E7);                       // Set DBGMCU_CR
+}
+
+DebugSetup();                                           // Debugger Setup

bsp/stm32f20x/stm32_rom.ld

+/*
+ * linker script for STM32F10x with GNU ld
+ * bernard.xiong 2009-10-14
+ */
+
+/* Program Entry, set to mark it as "used" and avoid gc */
+MEMORY
+{
+    CODE (rx) : ORIGIN = 0x08000000, LENGTH = 512k /* 512KB flash */
+    DATA (rw) : ORIGIN = 0x20000000, LENGTH =  64k /* 64K sram */
+}
+ENTRY(Reset_Handler)
+_system_stack_size = 0x100;
+
+SECTIONS
+{
+    .text :
+    {
+        . = ALIGN(4);
+        KEEP(*(.isr_vector))            /* Startup code */
+        . = ALIGN(4);
+        *(.text)                        /* remaining code */
+        *(.text.*)                      /* remaining code */
+        *(.rodata)                      /* read-only data (constants) */
+        *(.rodata*)
+        *(.glue_7)
+        *(.glue_7t)
+        *(.gnu.linkonce.t*)
+
+        /* section information for finsh shell */
+        . = ALIGN(4);
+        __fsymtab_start = .;
+        KEEP(*(FSymTab))
+        __fsymtab_end = .;
+        . = ALIGN(4);
+        __vsymtab_start = .;
+        KEEP(*(VSymTab))
+        __vsymtab_end = .;
+        . = ALIGN(4);
+
+        . = ALIGN(4);
+        _etext = .;
+    } > CODE = 0
+
+    /* .ARM.exidx is sorted, so has to go in its own output section.  */
+    __exidx_start = .;
+    .ARM.exidx :
+    {
+        *(.ARM.exidx* .gnu.linkonce.armexidx.*)
+
+        /* This is used by the startup in order to initialize the .data secion */
+        _sidata = .;
+    } > CODE
+    __exidx_end = .;
+
+    /* .data section which is used for initialized data */
+
+    .data : AT (_sidata)
+    {
+        . = ALIGN(4);
+        /* This is used by the startup in order to initialize the .data secion */
+        _sdata = . ;
+
+        *(.data)
+        *(.data.*)
+        *(.gnu.linkonce.d*)
+
+        . = ALIGN(4);
+        /* This is used by the startup in order to initialize the .data secion */
+        _edata = . ;
+    } >DATA
+
+	.stack : 
+	{
+		. = . + _system_stack_size;
+		. = ALIGN(4);
+		_estack = .;
+	} >DATA
+
+    __bss_start = .;
+    .bss :
+    {
+        . = ALIGN(4);
+        /* This is used by the startup in order to initialize the .bss secion */
+        _sbss = .;
+
+        *(.bss)
+        *(.bss.*)
+        *(COMMON)
+
+        . = ALIGN(4);
+        /* This is used by the startup in order to initialize the .bss secion */
+        _ebss = . ;
+        
+        *(.bss.init)
+    } > DATA
+    __bss_end = .;
+
+    _end = .;
+
+    /* Stabs debugging sections.  */
+    .stab          0 : { *(.stab) }
+    .stabstr       0 : { *(.stabstr) }
+    .stab.excl     0 : { *(.stab.excl) }
+    .stab.exclstr  0 : { *(.stab.exclstr) }
+    .stab.index    0 : { *(.stab.index) }
+    .stab.indexstr 0 : { *(.stab.indexstr) }
+    .comment       0 : { *(.comment) }
+    /* DWARF debug sections.
+     * Symbols in the DWARF debugging sections are relative to the beginning
+     * of the section so we begin them at 0.  */
+    /* DWARF 1 */
+    .debug          0 : { *(.debug) }
+    .line           0 : { *(.line) }
+    /* GNU DWARF 1 extensions */
+    .debug_srcinfo  0 : { *(.debug_srcinfo) }
+    .debug_sfnames  0 : { *(.debug_sfnames) }
+    /* DWARF 1.1 and DWARF 2 */
+    .debug_aranges  0 : { *(.debug_aranges) }
+    .debug_pubnames 0 : { *(.debug_pubnames) }
+    /* DWARF 2 */
+    .debug_info     0 : { *(.debug_info .gnu.linkonce.wi.*) }
+    .debug_abbrev   0 : { *(.debug_abbrev) }
+    .debug_line     0 : { *(.debug_line) }
+    .debug_frame    0 : { *(.debug_frame) }
+    .debug_str      0 : { *(.debug_str) }
+    .debug_loc      0 : { *(.debug_loc) }
+    .debug_macinfo  0 : { *(.debug_macinfo) }
+    /* SGI/MIPS DWARF 2 extensions */
+    .debug_weaknames 0 : { *(.debug_weaknames) }
+    .debug_funcnames 0 : { *(.debug_funcnames) }
+    .debug_typenames 0 : { *(.debug_typenames) }
+    .debug_varnames  0 : { *(.debug_varnames) }
+}