Index: head/sys/mips/mips/exception.S =================================================================== --- head/sys/mips/mips/exception.S +++ head/sys/mips/mips/exception.S @@ -1110,7 +1110,7 @@ REG_S ra, CALLFRAME_RA(sp) .mask 0x80000000, (CALLFRAME_RA - CALLFRAME_SIZ) -#if defined(__mips_n64) +#if defined(__mips_n32) || defined(__mips_n64) or t1, t0, MIPS_SR_COP_1_BIT | MIPS_SR_FR #else or t1, t0, MIPS_SR_COP_1_BIT Index: head/sys/mips/mips/locore.S =================================================================== --- head/sys/mips/mips/locore.S +++ head/sys/mips/mips/locore.S @@ -117,8 +117,11 @@ * Enable FPU */ li t1, MIPS_SR_COP_1_BIT +#if defined(__mips_n32) || defined(__mips_n64) + or t1, MIPS_SR_FR +#endif #ifdef __mips_n64 - or t1, MIPS_SR_KX | MIPS_SR_SX | MIPS_SR_UX | MIPS_SR_FR + or t1, MIPS_SR_KX | MIPS_SR_SX | MIPS_SR_UX #endif #endif /* Index: head/sys/mips/mips/swtch.S =================================================================== --- head/sys/mips/mips/swtch.S +++ head/sys/mips/mips/swtch.S @@ -416,7 +416,7 @@ .set hardfloat mfc0 t1, MIPS_COP_0_STATUS # Save old SR HAZARD_DELAY -#if defined(__mips_n64) +#if defined(__mips_n32) || defined(__mips_n64) or t0, t1, MIPS_SR_COP_1_BIT | MIPS_SR_FR # enable the coprocessor #else or t0, t1, MIPS_SR_COP_1_BIT # enable the coprocessor @@ -546,7 +546,7 @@ .set hardfloat mfc0 t1, MIPS_COP_0_STATUS # Save the status register. HAZARD_DELAY -#if defined(__mips_n64) +#if defined(__mips_n32) || defined(__mips_n64) or t0, t1, MIPS_SR_COP_1_BIT | MIPS_SR_FR #else or t0, t1, MIPS_SR_COP_1_BIT @@ -585,7 +585,7 @@ PTR_L a0, TD_PCB(a0) # get pointer to pcb for thread mfc0 t1, MIPS_COP_0_STATUS # Disable interrupts and HAZARD_DELAY -#if defined(__mips_n64) +#if defined(__mips_n32) || defined(__mips_n64) or t0, t1, MIPS_SR_COP_1_BIT | MIPS_SR_FR # enable the coprocessor #else or t0, t1, MIPS_SR_COP_1_BIT # enable the coprocessor Index: head/sys/mips/mips/trap.c =================================================================== --- head/sys/mips/mips/trap.c +++ head/sys/mips/mips/trap.c @@ -983,7 +983,7 @@ addr = trapframe->pc; MipsSwitchFPState(PCPU_GET(fpcurthread), td->td_frame); PCPU_SET(fpcurthread, td); -#if defined(__mips_n64) +#if defined(__mips_n32) || defined(__mips_n64) td->td_frame->sr |= MIPS_SR_COP_1_BIT | MIPS_SR_FR; #else td->td_frame->sr |= MIPS_SR_COP_1_BIT;