1 Reply Latest reply on Jul 17, 2017 7:29 AM by user_1377889

    how to access general purpose register from c source file

    karan.patel

      i want to make some changes in Cm0start.c file.In that i want to write assembly instruction for push and pop program counter and stack pointer  i use asm("push {r15}") but its shows error "invalid register list to push/pop instruction ".how to access general purpose register in c source file?