最近做了个系统，已经将mcs文件写到prom中，elf文件写入到flash中。

我想将程序放在fpga中直接运行，在工程添加了两个bram，一个SLMB接口，一个SOPB接口。

在生成linker script时，bootloader_0工程(已选择Mark to initialize brams)选择的是SLMB接口的bram存储器，

main工程选择的是SOPB接口的bram存储器。

调试都没有问题，但是断电重起后程序没有运行，下面是我的mhs和mss文件，请高人指点，不胜感激！！！

.mhs文件

 ARAMETER VERSION = 2.1.0

 ORT db_12864 = db_12864, DIR = O, VEC = [0:7]
 ORT rw_12864 = rw_12864, DIR = O
 ORT di_12864 = di_12864, DIR = O
 ORT cs1_n_12864 = cs1_n_12864, DIR = O
 ORT cs2_n_12864 = cs2_n_12864, DIR = O
 ORT e_12864 = e_12864, DIR = O
 ORT rst_n_12864 = rst_n_12864, DIR = O
 ORT led = led, DIR = O
 ORT sys_clk_pin = dcm_clk_s, DIR = I, SIGIS = DCMCLK
 PORT sys_rst_pin = sys_rst_s, DIR = I
# #flash
 PORT flash_addr = flash_sram_Mem_A, DIR = O, VEC = [0:31]
 PORT flash_data = flash_sram_Mem_DQ, DIR = IO, VEC = [0:15]
 PORT flash_cen = flash_sram_Mem_CEN, DIR = O
 PORT flash_oen = flash_sram_Mem_OEN, DIR = O
 PORT flash_wen = flash_sram_Mem_WEN, DIR = O
 PORT flash_rst = NET_VCC, DIR = O
 PORT flash_byte = NET_VCC, DIR = O

# #PORT flash_ryby = NET_VCC,DIR=O
BEGIN microblaze
 PARAMETER INSTANCE = microblaze_0
 PARAMETER HW_VER = 4.00.a
 PARAMETER C_USE_FPU = 0
 PARAMETER C_DEBUG_ENABLED = 1
 PARAMETER C_NUMBER_OF_PC_BRK = 2
 BUS_INTERFACE DLMB = dlmb
 BUS_INTERFACE ILMB = ilmb
 BUS_INTERFACE DOPB = mb_opb
 BUS_INTERFACE IOPB = mb_opb
 PORT CLK = sys_clk_s
 PORT DBG_CAPTURE = DBG_CAPTURE_s
 PORT DBG_CLK = DBG_CLK_s
 PORT DBG_REG_EN = DBG_REG_EN_s
 PORT DBG_TDI = DBG_TDI_s
 PORT DBG_TDO = DBG_TDO_s
 PORT DBG_UPDATE = DBG_UPDATE_s
END

BEGIN opb_v20
 PARAMETER INSTANCE = mb_opb
 PARAMETER HW_VER = 1.10.c
 PARAMETER C_EXT_RESET_HIGH = 1
 PORT SYS_Rst = sys_rst_s
 PORT OPB_Clk = sys_clk_s
END

BEGIN bram_block
 PARAMETER INSTANCE = lmb_bram
 PARAMETER HW_VER = 1.00.a
 BUS_INTERFACE PORTB = dlmb_port
 BUS_INTERFACE PORTA = ilmb_port
END

BEGIN lmb_bram_if_cntlr
 PARAMETER INSTANCE = ilmb_cntlr
 PARAMETER HW_VER = 1.00.b
 PARAMETER C_BASEADDR = 0x00000000
 PARAMETER C_HIGHADDR = 0x00003fff
 BUS_INTERFACE SLMB = ilmb
 BUS_INTERFACE BRAM_PORT = ilmb_port
END

BEGIN lmb_v10
 PARAMETER INSTANCE = ilmb
 PARAMETER HW_VER = 1.00.a
 PARAMETER C_EXT_RESET_HIGH = 1
 PORT SYS_Rst = sys_rst_s
 PORT LMB_Clk = sys_clk_s
END

BEGIN opb_emc
 PARAMETER INSTANCE = flash_sram
 PARAMETER HW_VER = 2.00.a
 PARAMETER C_NUM_BANKS_MEM = 1
 PARAMETER C_MAX_MEM_WIDTH = 16
 PARAMETER C_MEM0_WIDTH = 16
 PARAMETER C_SYNCH_MEM_0 = 0
 PARAMETER C_OPB_CLK_PERIOD_PS = 15151
 PARAMETER C_INCLUDE_DATAWIDTH_MATCHING_0 = 1
# #tce
 PARAMETER C_TCEDV_PS_MEM_0 = 120000
# #tacc
 PARAMETER C_TAVDV_PS_MEM_0 = 120000
# #tdf
 PARAMETER C_THZCE_PS_MEM_0 = 30000
# #tdf
 PARAMETER C_THZOE_PS_MEM_0 = 30000
# #twc
 PARAMETER C_TWC_PS_MEM_0 = 120000
# twp
 PARAMETER C_TWP_PS_MEM_0 = 50000
# #toeh
 PARAMETER C_TLZWE_PS_MEM_0 = 10000
 PARAMETER C_MEM0_BASEADDR = 0x20100000
 PARAMETER C_MEM0_HIGHADDR = 0x201fffff
 BUS_INTERFACE SOPB = mb_opb
 PORT Mem_A = flash_sram_Mem_A
 PORT Mem_DQ = flash_sram_Mem_DQ
 PORT Mem_CEN = flash_sram_Mem_CEN
 PORT Mem_OEN = flash_sram_Mem_OEN
 PORT Mem_WEN = flash_sram_Mem_WEN
END

BEGIN lmb_bram_if_cntlr
 PARAMETER INSTANCE = dlmb_cntlr
 PARAMETER HW_VER = 1.00.b
 PARAMETER C_BASEADDR = 0x00000000
 PARAMETER C_HIGHADDR = 0x00003fff
 BUS_INTERFACE SLMB = dlmb
 BUS_INTERFACE BRAM_PORT = dlmb_port
END

BEGIN lmb_v10
 PARAMETER INSTANCE = dlmb
 PARAMETER HW_VER = 1.00.a
 PARAMETER C_EXT_RESET_HIGH = 1
 PORT SYS_Rst = sys_rst_s
 PORT LMB_Clk = sys_clk_s
END

BEGIN opb_mdm
 PARAMETER INSTANCE = debug_module
 PARAMETER HW_VER = 2.00.a
 PARAMETER C_MB_DBG_PORTS = 1
 PARAMETER C_USE_UART = 1
 PARAMETER C_UART_WIDTH = 8
 PARAMETER C_BASEADDR = 0x41400000
 PARAMETER C_HIGHADDR = 0x4140ffff
 BUS_INTERFACE SOPB = mb_opb
 PORT OPB_Clk = sys_clk_s
 PORT DBG_CAPTURE_0 = DBG_CAPTURE_s
 PORT DBG_CLK_0 = DBG_CLK_s
 PORT DBG_REG_EN_0 = DBG_REG_EN_s
 PORT DBG_TDI_0 = DBG_TDI_s
 PORT DBG_TDO_0 = DBG_TDO_s
 PORT DBG_UPDATE_0 = DBG_UPDATE_s
END

BEGIN dcm_module
 PARAMETER INSTANCE = dcm_0
 PARAMETER HW_VER = 1.00.a
 PARAMETER C_CLK0_BUF = TRUE
 PARAMETER C_CLKIN_PERIOD = 20.000000
 PARAMETER C_CLK_FEEDBACK = 1X
 PARAMETER C_DLL_FREQUENCY_MODE = LOW
 PARAMETER C_EXT_RESET_HIGH = 1
 PORT CLKIN = dcm_clk_s
 PORT CLK0 = sys_clk_s
 PORT CLKFB = sys_clk_s
 PORT RST = net_gnd
 PORT LOCKED = dcm_0_lock
END

BEGIN led_zdq
 PARAMETER INSTANCE = led_zdq_0
 PARAMETER HW_VER = 1.00.a
 PARAMETER C_BASEADDR = 0x7b400000
 PARAMETER C_HIGHADDR = 0x7b40ffff
 BUS_INTERFACE SOPB = mb_opb
 PORT OPB_CLK = sys_clk_s
 PORT OPB_RST = net_gnd
 PORT led = led
END

BEGIN lcd_zdq
 PARAMETER INSTANCE = lcd_zdq_0
 PARAMETER HW_VER = 1.00.a
 PARAMETER C_BASEADDR = 0x7b420000
 PARAMETER C_HIGHADDR = 0x7b42ffff
 BUS_INTERFACE SOPB = mb_opb
 PORT OPB_CLK = sys_clk_s
 PORT OPB_RST = net_gnd
 PORT db_12864 = db_12864
 PORT di_12864 = di_12864
 PORT rw_12864 = rw_12864
 PORT e_12864 = e_12864
 PORT cs1_n_12864 = cs1_n_12864
 PORT cs2_n_12864 = cs2_n_12864
 PORT rst_n_12864 = rst_n_12864
END

BEGIN opb_bram_if_cntlr
 PARAMETER INSTANCE = opb_bram_if_cntlr_0
 PARAMETER HW_VER = 1.00.a
 PARAMETER c_baseaddr = 0x20080000
 PARAMETER c_highaddr = 0x20081fff
 BUS_INTERFACE SOPB = mb_opb
 BUS_INTERFACE PORTA = opb_bram_if_cntlr_0_PORTA
END

BEGIN bram_block
 PARAMETER INSTANCE = bram_block_0
 PARAMETER HW_VER = 1.00.a
 BUS_INTERFACE PORTA = opb_bram_if_cntlr_0_PORTA
END

.mss文件

 PARAMETER VERSION = 2.2.0

BEGIN OS
 PARAMETER OS_NAME = standalone
 PARAMETER OS_VER = 1.00.a
 PARAMETER PROC_INSTANCE = microblaze_0
 PARAMETER STDIN = debug_module
 PARAMETER STDOUT = debug_module
END

BEGIN PROCESSOR
 PARAMETER DRIVER_NAME = cpu
 PARAMETER DRIVER_VER = 1.00.a
 PARAMETER HW_INSTANCE = microblaze_0
 PARAMETER COMPILER = mb-gcc
 PARAMETER ARCHIVER = mb-ar
 PARAMETER XMDSTUB_PERIPHERAL = debug_module
END

BEGIN DRIVER
 PARAMETER DRIVER_NAME = opbarb
 PARAMETER DRIVER_VER = 1.02.a
 PARAMETER HW_INSTANCE = mb_opb
END

BEGIN DRIVER
 PARAMETER DRIVER_NAME = uartlite
 PARAMETER DRIVER_VER = 1.00.b
 PARAMETER HW_INSTANCE = debug_module
END

BEGIN DRIVER
 PARAMETER DRIVER_NAME = bram
 PARAMETER DRIVER_VER = 1.00.a
 PARAMETER HW_INSTANCE = dlmb_cntlr
END

BEGIN DRIVER
 PARAMETER DRIVER_NAME = bram
 PARAMETER DRIVER_VER = 1.00.a
 PARAMETER HW_INSTANCE = ilmb_cntlr
END

BEGIN DRIVER
 PARAMETER DRIVER_NAME = emc
 PARAMETER DRIVER_VER = 2.00.a
 PARAMETER HW_INSTANCE = flash_sram
END

BEGIN DRIVER
 PARAMETER DRIVER_NAME = led_zdq
 PARAMETER DRIVER_VER = 1.00.a
 PARAMETER HW_INSTANCE = led_zdq_0
END

BEGIN DRIVER
 PARAMETER DRIVER_NAME = lcd_zdq
 PARAMETER DRIVER_VER = 1.00.a
 PARAMETER HW_INSTANCE = lcd_zdq_0
END

BEGIN DRIVER
 PARAMETER DRIVER_NAME = bram
 PARAMETER DRIVER_VER = 1.00.a
 PARAMETER HW_INSTANCE = opb_bram_if_cntlr_0
END