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I am using tiva c launch pad for my project.I have copied my startup file in my project and then wrote my code.When I start to debug my project the control remains in the start up file in reset handler section and never goes in my main program. Please help.
So *((uint32_t *)SCB_CPACR_R) |= 0x00F00000; might provide you with an avenue to write the register as a 32-bit word
You could also perhaps tell the tools not to use FPU code, and then it wouldn't be needed.
Anyway the simulator support seems to have been overwhelmed with the number/variety of parts now available. Unless there's a very compelling reason not to use real hardware via a low cost break-out board, think about not depending on the simulator.