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DSP:TMS320VC5510
编译器:CCS3.3
编译时出现如下错误:
error: .const section (0x1e000) spans page boundary: not allowed before CPU
我的CMD文件:
-m hpi_new.map
MEMORY
{
PAGE 0:
VECT: origin = 0x0200, len = 0x0100
VEC2: origin = 0x0300, len = 0x0100
CONS: origin = 0x1E000, len = 0x3000
PROG: origin = 0x26000, len = 0xd000
PAGE 1:
HPI_OUT: origin = 0x0400, len = 0x0200
HPI_IN: origin = 0x0600, len = 0x0200
DATA: origin = 0x0800, len = 0x15000
STACK: origin = 0x15800, len = 0x5000
SSTACK: origin = 0x1A800, len = 0x1000
SYSMEM: origin = 0x1B800, len = 0x2000
DATA2: origin = 0x21000, len = 0x5000
SDRAM: origin = 0x800000, len = 0x7FFFFE
}
SECTIONS
{
.vectors: {} > VECT PAGE 0
vectors: {} > VEC2 PAGE 0
.text: {} > PROG PAGE 0
.fftcode: {} > PROG PAGE 0
.Hpi_In_Frame: {} > HPI_IN PAGE 1
.Hpi_Out_Frame: {} > HPI_OUT PAGE 1
.const: {} > CONS PAGE 0
.data: {} > DATA PAGE 1
.switch: {} > DATA PAGE 1
.cinit: {} > DATA PAGE 1
.bss: {} > DATA PAGE 1
.Buff_Index: {} > DATA2 PAGE 1
.stack: {} > STACK PAGE 1
.sysstack:{} > SSTACK PAGE 1
.sysmem: {} > SYSMEM PAGE 1
.cio: {} > DATA PAGE 1
.faxbuf: {} > SDRAM PAGE 1
}
尝试方法:
1.将版本改为-vcore:3.3,出现同样的错误
需要把大数组拆成几个小数组,然后分配在64k页内。这是因为C55x compiler本身设计上的局限性,还是只用16bit ALU计算指针,所以每次跨页时,高七位地址不会自动加1