/* write IAP code to working area */
target_buffer_set_u32(target, jump_gate, ARMV4_5_BX(12));
target_buffer_set_u32(target, jump_gate + 4, ARMV4_5_B(0xfffffe, 0));
/* write IAP code to working area */
target_buffer_set_u32(target, jump_gate, ARMV4_5_BX(12));
target_buffer_set_u32(target, jump_gate + 4, ARMV4_5_B(0xfffffe, 0));