#include extern char __bootphase2_src_start__, __bootphase2_start__, __bootphase2_end__; void __attribute__((section(".bootphase1"))) CopyBootToRAM(void) { int i; volatile uint32_t *s = (volatile uint32_t *)&__bootphase2_src_start__; volatile uint32_t *d = (volatile uint32_t *)&__bootphase2_start__; unsigned int l = (int)&__bootphase2_end__ - (int)&__bootphase2_start__; for(i = 0; i < l/sizeof(uint32_t); i++) *d++ = *s++; }