Merge pull request #556 from ArdaFu/master

[bsp][stm32f746-disco] Add support of IAR tool chain

bsp/stm32f7-disco/rtconfig.py

@@ -19,10 +19,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM 	= 'armcc'
     EXEC_PATH 	= r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    print '================ERROR============================'
-    print 'Not support iar yet!'
-    print '================================================='
-    exit(0)
+	PLATFORM 	= 'iar'
+	IAR_PATH 	= 'C:/Program Files (x86)/IAR Systems/Embedded Workbench 7.2'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -99,6 +97,7 @@ elif PLATFORM == 'armcc':
 elif PLATFORM == 'iar':
     # toolchains
     CC = 'iccarm'
+    CXX = 'iccarm'
     AS = 'iasmarm'
     AR = 'iarchive'
     LINK = 'ilinkarm'
@@ -123,6 +122,7 @@ elif PLATFORM == 'iar':
     CFLAGS += ' --dlib_config "' + IAR_PATH + '/arm/INC/c/DLib_Config_Normal.h"'    
     CFLAGS += ' -Ol'    
     CFLAGS += ' --use_c++_inline'
+    CFLAGS += ' --silent'
     
     AFLAGS = ''
     AFLAGS += ' -s+' 
@@ -130,11 +130,15 @@ elif PLATFORM == 'iar':
     AFLAGS += ' -r' 
     AFLAGS += ' --cpu Cortex-M7' 
     AFLAGS += ' --fpu None' 
+    AFLAGS += ' -S' 
     
     LFLAGS = ' --config rtthread-stm32f7xx.icf'
     LFLAGS += ' --redirect _Printf=_PrintfTiny' 
     LFLAGS += ' --redirect _Scanf=_ScanfSmall' 
     LFLAGS += ' --entry __iar_program_start'    
+    LFLAGS += ' --silent'
+
+    CXXFLAGS = CFLAGS
 
     EXEC_PATH = IAR_PATH + '/arm/bin/'
     POST_ACTION = ''

bsp/stm32f7-disco/rtthread-stm32f7xx.icf

+/*###ICF### Section handled by ICF editor, don't touch! ****/
+/*-Editor annotation file-*/
+/* IcfEditorFile="$TOOLKIT_DIR$\config\ide\IcfEditor\cortex_v1_0.xml" */
+/*-Specials-*/
+define symbol __ICFEDIT_intvec_start__ = 0x00200000;
+/*-Memory Regions-*/
+define symbol __ICFEDIT_region_ROM_start__    = 0x00200000;
+define symbol __ICFEDIT_region_ROM_end__      = 0x002FFFFF;
+define symbol __ICFEDIT_region_RAM_start__    = 0x20010000;
+define symbol __ICFEDIT_region_RAM_end__      = 0x2003FFFF;
+/*-Sizes-*/
+define symbol __ICFEDIT_size_cstack__ = 0x400;
+define symbol __ICFEDIT_size_heap__   = 0x200;
+/**** End of ICF editor section. ###ICF###*/
+
+
+define memory mem with size = 4G;
+define region ROM_region      = mem:[from __ICFEDIT_region_ROM_start__   to __ICFEDIT_region_ROM_end__];
+define region RAM_region      = mem:[from __ICFEDIT_region_RAM_start__   to __ICFEDIT_region_RAM_end__];
+
+define block CSTACK    with alignment = 8, size = __ICFEDIT_size_cstack__   { };
+define block HEAP      with alignment = 8, size = __ICFEDIT_size_heap__     { };
+
+initialize by copy { readwrite };
+do not initialize  { section .noinit };
+
+place at address mem:__ICFEDIT_intvec_start__ { readonly section .intvec };
+
+place in ROM_region   { readonly };
+place in RAM_region   { readwrite, block CSTACK, block HEAP };
+keep { section FSymTab };
+keep { section VSymTab };
+keep { section .rti_fn* };

bsp/stm32f7-disco/rtthread-stm32f7xx.ld

@@ -6,7 +6,7 @@
 /* Program Entry, set to mark it as "used" and avoid gc */
 MEMORY
 {
-    CODE (rx) : ORIGIN = 0x08000000, LENGTH = 1024k /* 1024KB flash */
+    CODE (rx) : ORIGIN = 0x00200000, LENGTH = 1024k /* 1024KB flash */
     DATA (rw) : ORIGIN = 0x20010000, LENGTH =  256k /* 256K sram */
 }
 ENTRY(Reset_Handler)

bsp/stm32f7-disco/rtthread-stm32f7xx.sct

@@ -2,8 +2,8 @@
 ; *** Scatter-Loading Description File generated by uVision ***
 ; *************************************************************
 
-LR_IROM1 0x08000000 0x00100000  {    ; load region size_region
-  ER_IROM1 0x08000000 0x00100000  {  ; load address = execution address
+LR_IROM1 0x00200000 0x00100000  {    ; load region size_region
+  ER_IROM1 0x00200000 0x00100000  {  ; load address = execution address
    *.o (RESET, +First)
    *(InRoot$$Sections)
    .ANY (+RO)