Update example for FSM-55

example-fsm-55/board.h

@@ -0,0 +1 @@
+../board/board-fsm-55.h

example-fsm-55/hacker-emblem.ld

@@ -1,26 +1,19 @@
 /*
- * ST32F103 memory setup.
+ * ST32F0 memory setup.
  */
 __main_stack_size__     = 0x0100;  /* Exception handlers     */
-__process0_stack_size__  = 0x0100;  /* Main program           */
+__process0_stack_size__  = 0x0100; /* Main program           */
 __process1_stack_size__  = 0x0100; /* first thread program */
 __process2_stack_size__  = 0x0100; /* second thread program */
 __process3_stack_size__  = 0x0100; /* third thread program */
 
 MEMORY
 {
-/*
     flash0 : org = 0x08000000, len = 4k
     flash  : org = 0x08000000+0x1000, len = 60k
-*/
-    flash0 : org = 0x08000000, len = 1k
-    flash  : org = 0x08000000+0x0400, len = 60k
     ram : org = 0x20000000, len = 20k
 }
 
-__flash_start__ = 0x08001000;
-__flash_end__   = 0x08020000;
-
 __ram_start__           = ORIGIN(ram);
 __ram_size__            = 20k;
 __ram_end__             = __ram_start__ + __ram_size__;
@@ -29,24 +22,20 @@ SECTIONS
 {
     . = 0;
 
-    .sys : ALIGN(16) SUBALIGN(8)
+    .sys : ALIGN(4) SUBALIGN(4)
     {
-        _sys = .;
+	_sys = .;
-        KEEP(*(.vectors))
+	KEEP(*(.vectors))
 	. = ALIGN(16);
 	KEEP(*(.sys.version))
-	KEEP(*(.sys.board))
+	KEEP(*(.sys.board_id))
+	KEEP(*(.sys.board_name))
 	build/sys.o(.text)
 	build/sys.o(.text.*)
-        build/sys.o(.rodata)
+	build/sys.o(.rodata)
 	build/sys.o(.rodata.*)
 	. = ALIGN(1024);
-/*
+    } > flash0 =0xffffffff
-	*(.sys.0)
-	*(.sys.1)
-	*(.sys.2)
-*/
-    } > flash0
 
     _text = .;
 
@@ -66,6 +55,7 @@ SECTIONS
         *(.glue_7t)
         *(.glue_7)
         *(.gcc*)
+	. = ALIGN(8);
     } > flash
 
     .ARM.extab : {*(.ARM.extab* .gnu.linkonce.armextab.*)} > flash
@@ -98,15 +88,15 @@ SECTIONS
         __process3_stack_base__ = .;
         . += __process3_stack_size__;
         . = ALIGN(8);
-        __process_stack3_end__ = .;
+        __process3_stack_end__ = .;
         __process2_stack_base__ = .;
         . += __process2_stack_size__;
         . = ALIGN(8);
-        __process_stack2_end__ = .;
+        __process2_stack_end__ = .;
         __process1_stack_base__ = .;
         . += __process1_stack_size__;
         . = ALIGN(8);
-        __process_stack1_end__ = .;
+        __process1_stack_end__ = .;
         __process0_stack_base__ = .;
         . += __process0_stack_size__;
         . = ALIGN(8);

example-fsm-55/sys.c

@@ -243,16 +243,25 @@ flash_check_blank (const uint8_t *p_start, size_t size)
   return 1;
 }
 
-extern uint8_t __flash_start__, __flash_end__;
+#define FLASH_START_ADDR 0x08000000 /* Fixed for all STM32F0/F1.  */
+#define FLASH_OFFSET     0x1000     /* First pages are not-writable
+				       when protected.  */
+#if defined(__ARM_ARCH_6M__)
+#define FLASH_SIZE_REG   ((uint16_t *)0x1ffff7cc)
+#define CHIP_ID_REG      ((uint32_t *)0x40015800)
+#else
+#define FLASH_SIZE_REG   ((uint16_t *)0x1ffff7e0)
+#define CHIP_ID_REG      ((uint32_t *)0xe0042000)
+#endif
+#define FLASH_START      (FLASH_START_ADDR+FLASH_OFFSET)
 
 static int
 flash_write (uint32_t dst_addr, const uint8_t *src, size_t len)
 {
   int status;
-  uint32_t flash_start = (uint32_t)&__flash_start__;
+  uint32_t flash_end = FLASH_START_ADDR + (*FLASH_SIZE_REG)*1024;
-  uint32_t flash_end = (uint32_t)&__flash_end__;
 
-  if (dst_addr < flash_start || dst_addr + len > flash_end)
+  if (dst_addr < FLASH_START || dst_addr + len > flash_end)
     return 0;
 
   while (len)
@@ -305,17 +314,21 @@ flash_protect (void)
 static void __attribute__((naked))
 flash_erase_all_and_exec (void (*entry)(void))
 {
-  uint32_t addr = (uint32_t)&__flash_start__;
+  uint32_t addr = FLASH_START;
-  uint32_t end = (uint32_t)&__flash_end__;
+  uint32_t end = FLASH_START_ADDR + (*FLASH_SIZE_REG)*1024;
+  uint32_t page_size = 1024;
   int r;
 
+  if (((*CHIP_ID_REG) & 0xfff) == 0x0414)
+    page_size = 2048;
+
   while (addr < end)
     {
       r = flash_erase_page (addr);
       if (r != 0)
 	break;
 
-      addr += FLASH_PAGE_SIZE;
+      addr += page_size;
     }
 
   if (addr >= end)
@@ -370,8 +383,8 @@ reset (void)
 #if defined(__ARM_ARCH_6M__)
   asm volatile ("cpsid	i\n\t"		/* Mask all interrupts. */
 		"ldr	r0, 1f\n\t"     /* r0 = RAM start */
-		"mov	r1, pc\n\t"	/* r1 = (PC + 0x0400) & ~0x03ff */
+		"mov	r1, pc\n\t"	/* r1 = (PC + 0x1000) & ~0x0fff */
-		"mov	r2, #0x04\n\t"
+		"mov	r2, #0x10\n\t"
 		"lsl	r2, #8\n\t"
 		"add	r1, r1, r2\n\t"
 		"sub	r2, r2, #1\n\t"
@@ -436,7 +449,13 @@ handler vector[] __attribute__ ((section(".vectors"))) = {
 
 const uint8_t sys_version[8] __attribute__((section(".sys.version"))) = {
   3*2+2,	     /* bLength */
-  0x03,		     /* bDescriptorType = USB_STRING_DESCRIPTOR_TYPE*/
+  0x03,		     /* bDescriptorType = USB_STRING_DESCRIPTOR_TYPE */
-  /* sys version: "2.0" */
+  /* sys version: "2.1" */
-  '2', 0, '.', 0, '0', 0,
+  '2', 0, '.', 0, '1', 0,
 };
+
+const uint32_t __attribute__((section(".sys.board_id")))
+sys_board_id = BOARD_ID;
+
+const uint8_t __attribute__((section(".sys.board_name")))
+sys_board_name[] = BOARD_NAME;

example-fsm-55/sys.h

@@ -1,4 +1,21 @@
+#if defined(__ARM_ARCH_6M__)
+#define BOARD_ID_STM32F0_DISCOVERY 0xde4b4bc1
+#define BOARD_ID_FSM_55            0x83433c76
+#else
+#define BOARD_ID_CQ_STARM          0xc5480875
+#define BOARD_ID_FST_01_00         0x613870a9
+#define BOARD_ID_FST_01            0x696886af
+#define BOARD_ID_MAPLE_MINI        0x7a445272
+#define BOARD_ID_OLIMEX_STM32_H103 0xf92bb594
+#define BOARD_ID_STBEE_MINI        0x1f341961
+#define BOARD_ID_STBEE             0x945c37e8
+#define BOARD_ID_STM32_PRIMER2     0x21e5798d
+#define BOARD_ID_STM8S_DISCOVERY   0x2f0976bb
+#endif
+
 extern const uint8_t sys_version[8];
+extern const uint32_t sys_board_id;
+extern const uint8_t sys_board_name[];
 
 typedef void (*handler)(void);
 extern handler vector[16];