add sam7x_rom.ld.

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@1483 bbd45198-f89e-11dd-88c7-29a3b14d5316

bsp/sam7x/application.c

@@ -61,6 +61,11 @@ void rt_init_thread_entry(void *parameter)
 	{
 		extern void lwip_sys_init(void);
 
+		eth_system_device_init();
+
+		/* register AT91 EMAC device */
+		sam7xether_register("E0");
+
 		/* init lwip system */
 		lwip_sys_init();
 		rt_kprintf("TCP/IP initialized!\n");

bsp/sam7x/board.h

@@ -17,46 +17,7 @@
 
 #include <rthw.h>
 #include <rtthread.h>
-// These are defined in standard header (at91sam7x256.h) of realview MDK.
-//#define AT91C_US_RXRDY			((unsigned int) 0x1 <<  0)	/* US RXRDY Interrupt */
-//#define AT91C_US_TXRDY			((unsigned int) 0x1 <<  1)	/* US TXRDY Interrupt */
-//#define AT91C_US_RSTRX			((unsigned int) 0x1 <<  2)	/* US Reset Receiver */
-//#define AT91C_US_RSTTX			((unsigned int) 0x1 <<  3)	/* US Reset Transmitter */
-//#define AT91C_US_RXEN			((unsigned int) 0x1 <<  4)	/* US Receiver Enable */
-//#define AT91C_US_RXDIS			((unsigned int) 0x1 <<  5)	/* US Receiver Disable */
-//#define AT91C_US_TXEN			((unsigned int) 0x1 <<  6)	/* US Transmitter Enable */
-//#define AT91C_US_TXDIS			((unsigned int) 0x1 <<  7)	/* US Transmitter Disable */
-//#define AT91C_US_RSTSTA			((unsigned int) 0x1 <<  8)	/* US Reset Status Bits */
-//
-//#define AT91C_US_USMODE_NORMAL	((unsigned int) 0x0)		/* USAR) Normal */
-//#define AT91C_US_USMODE_RS485	((unsigned int) 0x1)		/* USAR) RS485 */
-//#define AT91C_US_USMODE_HWHSH	((unsigned int) 0x2)		/* USAR) Hardware Handshaking */
-//#define AT91C_US_USMODE_MODEM	((unsigned int) 0x3)		/* USAR) Modem */
-//#define AT91C_US_USMODE_ISO7816_0	((unsigned int) 0x4)	/* USAR) ISO7816 protocol: T = 0 */
-//#define AT91C_US_USMODE_ISO7816_1	((unsigned int) 0x6)	/* USAR) ISO7816 protocol: T = 1 */
-//#define AT91C_US_USMODE_IRDA	((unsigned int) 0x8)		/* USAR) IrDA */
-//#define AT91C_US_USMODE_SWHSH	((unsigned int) 0xC)		/* USAR) Software Handshaking */
-//
-//#define AT91C_US_CLKS_CLOCK		((unsigned int) 0x0 <<  4)	/* USAR) Clock */
-//#define AT91C_US_CLKS_FDIV1		((unsigned int) 0x1 <<  4)	/* USAR) fdiv1 */
-//#define AT91C_US_CLKS_SLOW		((unsigned int) 0x2 <<  4)	/* USAR) slow_clock (ARM) */
-//#define AT91C_US_CLKS_EXT		((unsigned int) 0x3 <<  4)	/* USAR) External (SCK) */
-//
-//#define AT91C_US_CHRL_5_BITS	((unsigned int) 0x0 <<  6)	/* USAR) Character Length: 5 bits */
-//#define AT91C_US_CHRL_6_BITS	((unsigned int) 0x1 <<  6)	/* USAR) Character Length: 6 bits */
-//#define AT91C_US_CHRL_7_BITS	((unsigned int) 0x2 <<  6)	/* USAR) Character Length: 7 bits */
-//#define AT91C_US_CHRL_8_BITS	((unsigned int) 0x3 <<  6)	/* USAR) Character Length: 8 bits */
-//
-//#define AT91C_US_PAR_EVEN		((unsigned int) 0x0 <<  9)	/* DBGU Even Parity */
-//#define AT91C_US_PAR_ODD		((unsigned int) 0x1 <<  9)	/* DBGU Odd Parity */
-//#define AT91C_US_PAR_SPACE		((unsigned int) 0x2 <<  9)	/* DBGU Parity forced to 0 (Space) */
-//#define AT91C_US_PAR_MARK		((unsigned int) 0x3 <<  9)	/* DBGU Parity forced to 1 (Mark) */
-//#define AT91C_US_PAR_NONE		((unsigned int) 0x4 <<  9)	/* DBGU No Parity */
-//#define AT91C_US_PAR_MULTI_DROP	((unsigned int) 0x6 <<  9)	/* DBGU Multi-drop mode */
-//
-//#define AT91C_US_NBSTOP_1_BIT	((unsigned int) 0x0 << 12)	/* USART 1 stop bit */
-//#define AT91C_US_NBSTOP_15_BIT	((unsigned int) 0x1 << 12)	/* USART Asynchronous (SYNC=0) 2 stop bits Synchronous (SYNC=1) 2 stop bits */
-//#define AT91C_US_NBSTOP_2_BIT	((unsigned int) 0x2 << 12)	/* USART 2 stop bits */
+
 
 #define MCK		48054857
 #define BR    	115200			/* Baud Rate */

bsp/sam7x/rtconfig.py

@@ -32,7 +32,7 @@ if PLATFORM == 'gcc':
     DEVICE = ' -mcpu=arm7tdmi'
     CFLAGS = DEVICE
     AFLAGS = ' -c' + DEVICE + ' -x assembler-with-cpp'
-    LFLAGS = DEVICE + ' -Wl,--gc-sections,-Map=sam7x_rom_gcc.map,-cref,-u,_start -T sam7x_rom.lds'
+    LFLAGS = DEVICE + ' -Wl,--gc-sections,-Map=sam7x_rom_gcc.map,-cref,-u,_start -T sam7x_rom.ld'
     CPATH = ''
     LPATH = ''
 
@@ -42,7 +42,7 @@ if PLATFORM == 'gcc':
     else:
         CFLAGS += ' -O2'
 
-    POST_ACTION = OBJCPY + ' -O binary $TARGET rtthread-sam7x.bin\n' + SIZE + ' $TARGET \n'
+    POST_ACTION = OBJCPY + ' -O ihex $TARGET rtthread-sam7x.hex\n' + SIZE + ' $TARGET \n'
 
 elif PLATFORM == 'armcc':
     # toolchains
@@ -69,7 +69,7 @@ elif PLATFORM == 'armcc':
     else:
         CFLAGS += ' -O2'
 
-    POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
+    POST_ACTION = 'fromelf --hex $TARGET --output rtthread-asm7x.hex \nfromelf -z $TARGET'
 
 elif PLATFORM == 'iar':
     # toolchains

bsp/sam7x/sam7x_ram.lds

-OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm")
-OUTPUT_ARCH(arm)
-MEMORY
-{
-	DATA (rw) : ORIGIN = 0x00200000, LENGTH = 0x00010000
-}
-ENTRY(_start)
-SECTIONS
-{
-	.text :
-	{
-		*(.init)
-		*(.text)
-	} > DATA = 0
-
-	. = ALIGN(4);
-	.rodata :
-	{
-		*(.rodata)
-	} > DATA
-
-	. = ALIGN(4);
-	.data : 
-	{
-		*(.data)
-	} > DATA
-
-	. = ALIGN(4);
-	__bss_start = .;
-	.bss :
-	{
-		*(.bss)
-	} > DATA
-	__bss_end = .;
-
-	_end = .;
-}

bsp/sam7x/sam7x_rom.ld

+OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm")
+OUTPUT_ARCH(arm)
+MEMORY
+{
+	CODE (rx) : ORIGIN = 0x00100000, LENGTH = 0x00040000
+	/* DATA (rw) : ORIGIN = 0x00200000, LENGTH = 0x00010000 */
+	DATA (rw) : ORIGIN = 0x00204000, LENGTH = 0x0000C000
+}
+ENTRY(_start)
+SECTIONS
+{
+	.text :
+	{
+		*(.init)
+		*(.text)
+		*(.rodata)
+
+		/* section information for finsh shell */
+		. = ALIGN(4);
+		__fsymtab_start = .;
+		KEEP(*(FSymTab))
+		__fsymtab_end = .;
+		. = ALIGN(4);
+		__vsymtab_start = .;
+		KEEP(*(VSymTab))
+		__vsymtab_end = .;
+		. = ALIGN(4);
+
+	} > CODE = 0
+
+	. = ALIGN(4);
+	.ctors :
+	{
+		PROVIDE(__ctors_start__ = .);
+		KEEP(*(SORT(.ctors.*)))
+		KEEP(*(.ctors))
+		PROVIDE(__ctors_end__ = .);
+	} > CODE
+
+	.dtors :
+	{
+		PROVIDE(__dtors_start__ = .);
+		KEEP(*(SORT(.dtors.*)))
+		KEEP(*(.dtors))
+		PROVIDE(__dtors_end__ = .);
+	} > CODE
+
+    /* .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
+	__data_end = .;
+
+	.noinit :
+	{
+	    *(.bss.noinit)
+	} > DATA
+
+    __bss_start = .;
+    .bss :
+    {
+        . = ALIGN(4);
+        /* This is used by the startup in order to initialize the .bss secion */
+        _sbss = .;
+
+        *(.bss)
+        *(COMMON)
+
+        . = ALIGN(4);
+        /* This is used by the startup in order to initialize the .bss secion */
+        _ebss = . ;
+        _estack = .;
+    } > DATA
+    __bss_end = .;
+
+    _end = .;
+
+}

bsp/sam7x/sam7x_rom.lds

-OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm")
-OUTPUT_ARCH(arm)
-MEMORY
-{
-	CODE (rx) : ORIGIN = 0x00100000, LENGTH = 0x00040000
-	DATA (rw) : ORIGIN = 0x00200000, LENGTH = 0x00010000
-}
-ENTRY(_start)
-SECTIONS
-{
-	.text :
-	{
-		*(.init)
-		*(.text)
-
-		/* section information for finsh shell */
-		. = ALIGN(4);
-		__fsymtab_start = .;
-		KEEP(*(FSymTab))
-		__fsymtab_end = .;
-		. = ALIGN(4);
-		__vsymtab_start = .;
-		KEEP(*(VSymTab))
-		__vsymtab_end = .;
-		. = ALIGN(4);	
-
-	} > CODE = 0
-
-	. = ALIGN(4);
-	.rodata :
-	{
-		*(.rodata)
-	} > CODE
-
-	. = ALIGN(4);
-	.data : 
-	{
-		*(.data)
-	} > DATA
-
-	. = ALIGN(4);
-	__bss_start = .;
-	.bss :
-	{
-		*(.bss)
-	} > DATA
-	__bss_end = .;
-
-	_end = .;
-}

bsp/sam7x/startup.c

@@ -113,13 +113,6 @@ void rtthread_startup(void)
 	/* init hardware serial device */
 	rt_hw_serial_init();
 
-#ifdef RT_USING_LWIP
-	eth_system_device_init();
-
-	/* register AT91 EMAC device */
-	sam7xether_register("E0");
-#endif
-
 #ifdef RT_USING_DFS
 	rt_hw_sdcard_init();
 #endif
@@ -147,6 +140,7 @@ void rtthread_startup(void)
 	return ;
 }
 
+#ifdef __CC_ARM
 int main (void)
 {
 	/* invoke rtthread_startup */
@@ -154,5 +148,6 @@ int main (void)
 
 	return 0;
 }
+#endif
 
 /*@}*/