r3 80 bsp/hal/arm/arch/context.c u->r3 = 0x33333333; r3 113 bsp/hal/arm/arch/trap.c r->r0, r->r1, r->r2, r->r3, r->r4, r->r5); r3 70 bsp/hal/arm/include/context.h uint32_t r3; /* +12 (0C) */