diff --git a/linux-user/mips/signal.c b/linux-user/mips/signal.c index d69a5d73dd..1b10012726 100644 --- a/linux-user/mips/signal.c +++ b/linux-user/mips/signal.c @@ -134,6 +134,7 @@ static inline void setup_sigcontext(CPUMIPSState *regs, for (i = 0; i < 32; ++i) { __put_user(regs->active_fpu.fpr[i].d, &sc->sc_fpregs[i]); } + __put_user(regs->active_fpu.fcr31, &sc->sc_fpc_csr); } static inline void @@ -165,6 +166,12 @@ restore_sigcontext(CPUMIPSState *regs, struct target_sigcontext *sc) for (i = 0; i < 32; ++i) { __get_user(regs->active_fpu.fpr[i].d, &sc->sc_fpregs[i]); } + { + uint32_t fcr31; + __get_user(fcr31, &sc->sc_fpc_csr); + regs->active_fpu.fcr31 = fcr31 & regs->active_fpu.fcr31_rw_bitmask; + cpu_mips_restore_fp_status(regs); + } } /* diff --git a/target/mips/cpu.h b/target/mips/cpu.h index 346713705a..392406aff8 100644 --- a/target/mips/cpu.h +++ b/target/mips/cpu.h @@ -1384,6 +1384,9 @@ void cpu_mips_clock_init(MIPSCPU *cpu); /* helper.c */ target_ulong exception_resume_pc(CPUMIPSState *env); +/* fpu.c */ +void cpu_mips_restore_fp_status(CPUMIPSState *env); + /** * mips_cpu_create_with_clock: * @typename: a MIPS CPU type. diff --git a/target/mips/fpu.c b/target/mips/fpu.c index c7c487c1f9..8b661865ca 100644 --- a/target/mips/fpu.c +++ b/target/mips/fpu.c @@ -17,6 +17,11 @@ const FloatRoundMode ieee_rm[4] = { float_round_down }; +void cpu_mips_restore_fp_status(CPUMIPSState *env) +{ + restore_fp_status(env); +} + const char fregnames[32][4] = { "f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7", "f8", "f9", "f10", "f11", "f12", "f13", "f14", "f15",