Index: sys/arch/mips/mips/locore.S
===================================================================
RCS file: /cvsroot/src/sys/arch/mips/mips/locore.S,v
retrieving revision 1.231
diff -u -p -r1.231 locore.S
--- sys/arch/mips/mips/locore.S	24 Jun 2023 05:31:04 -0000	1.231
+++ sys/arch/mips/mips/locore.S	22 Apr 2026 17:12:06 -0000
@@ -155,17 +155,16 @@ EXPORT_OBJECT(kernel_text)			# libkvm re
 #ifdef NOFPU
 	li	t1, 0				# Dummy FPU_ID
 #else
-	/* Enable the FPU to read FPUID */
+	/* Ensure the FPU is enabled to read FPUID */
 	mfc0	k0, MIPS_COP_0_STATUS
 	MFC0_HAZARD
-	or	k0, MIPS_SR_COP_1_BIT
-	mtc0	k0, MIPS_COP_0_STATUS
+	or	k1, k0, MIPS_SR_COP_1_BIT
+	mtc0	k1, MIPS_COP_0_STATUS
 	COP0_HAZARD_FPUENABLE
 
 	cfc1	t1, MIPS_FIR
 
-	/* Disable again, we don't want it on in the kernel */
-	and	k0, ~MIPS_SR_COP_1_BIT
+	/* Restore to previous state (might have been enabled). */
 	mtc0	k0, MIPS_COP_0_STATUS
 #endif