On 02/02/2018 01:28, Fernando DomÃnguez wrote: > Hi, > > I'm trying to move a SD card driver for Xilinx Zynq (Zedboard) to RTEMS. > During > linking phase, the following errors arise: > > /home/fdpo/xilinx_hal/xilinx_aux/src/xil_cache.c:790: undefined reference to > `__undef_stack' > /home/fdpo/xilinx_hal/xilinx_aux/src/xil_cache.c:790: undefined reference to > `_stack_end' > /home/fdpo/xilinx_hal/xilinx_aux/src/xil_cache.c:790: undefined reference to > `_stack_end' > /home/fdpo/xilinx_hal/xilinx_aux/src/xil_cache.c:790: undefined reference to > `__undef_stack' > > On file xil_cache.c, this declaration is inside a __GNUC__ guard: > > #ifdef __GNUC__ > extern s32 _stack_end; > extern s32 __undef_stack; > #endif > > And then used in some functions only in this way: > > #ifdef __GNUC__ > stack_end = (u32)&_stack_end; > stack_start = (u32)&__undef_stack; > stack_size=stack_start-stack_end; > > /*Flush stack memory to save return address*/ > Xil_DCacheFlushRange(stack_end, stack_size); > #endif > > How can I assign a stack_end, a stack_start and stack_size from RTEMS? I > suppse > stack_size is the same one as configured a initialization but others >
I suggest you avoid using the Xilinx cache code and create a wrapper for the Xilinx cache routines to the RTEMS cache routines. Chris _______________________________________________ users mailing list users@rtems.org http://lists.rtems.org/mailman/listinfo/users