Function remove_userlocal_code

freebsd/mips/mips/cpu.c:78–86

* Patch cpu_switch() by removing the UserLocal register code at the end. * For MIPS hardware that don't support UserLocal Register Implementation * we remove the instructions that update this register which may cause a * reserved instruction exception in the kernel. */

 * reserved instruction exception in the kernel.
 */
static void
remove_userlocal_code(uint32_t *cpu_switch_code)
{
	uint32_t *instructp;

	instructp = cpu_switch_code;
	instructp[0] = _JR_RA;
	instructp[1] = _NOP;
}

/*
 * Attempt to identify the MIPS CPU as much as possible.