ecos-mtk_ecos_ecos stm32(3)

// eCos memory layout

#ifndef __ASSEMBLER__
#include <cyg/infra/cyg_type.h>
#include <stddef.h>

#endif
#define CYGMEM_REGION_sram (0x20000000)
#define CYGMEM_REGION_sram_SIZE (0x00010000-CYGNUM_HAL_COMMON_INTERRUPTS_STACK_SIZE)
#define CYGMEM_REGION_sram_ATTR (CYGMEM_REGION_ATTR_R | CYGMEM_REGION_ATTR_W)
#define CYGMEM_REGION_flash (0x08000000)
#define CYGMEM_REGION_flash_SIZE (0x00080000)
#define CYGMEM_REGION_flash_ATTR (CYGMEM_REGION_ATTR_R | CYGMEM_REGION_ATTR_W)
#define CYGMEM_REGION_ram (0x68000000)
#define CYGMEM_REGION_ram_SIZE (0x00100000)
#define CYGMEM_REGION_ram_ATTR (CYGMEM_REGION_ATTR_R | CYGMEM_REGION_ATTR_W)
#define CYGMEM_REGION_rom (0x64000000)
#define CYGMEM_REGION_rom_SIZE (0x01000000)
#define CYGMEM_REGION_rom_ATTR (CYGMEM_REGION_ATTR_R)
#ifndef __ASSEMBLER__
extern char CYG_LABEL_NAME (__heap1) [];
#endif
#define CYGMEM_SECTION_heap1 (CYG_LABEL_NAME (__heap1))
#define CYGMEM_SECTION_heap1_SIZE (CYGMEM_REGION_ram+CYGMEM_REGION_ram_SIZE - (size_t) CYG_LABEL_NAME (__heap1))

从代码可知，主要是与内存区域相关宏的定义、与堆相关变量和宏的定义。与内存区域相关宏的定义要与ldi文件中内存配置必须保持一致。

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