From 3067553993ae986b76a92df8a978778134ecdc84 Mon Sep 17 00:00:00 2001 From: Alistair Francis Date: Fri, 31 Jan 2020 17:03:02 -0800 Subject: [PATCH] target/riscv: Set htval and mtval2 on execptions Signed-off-by: Alistair Francis Reviewed-by: Palmer Dabbelt Signed-off-by: Palmer Dabbelt --- target/riscv/cpu_helper.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/target/riscv/cpu_helper.c b/target/riscv/cpu_helper.c index 9e28b19c29..d3b764e694 100644 --- a/target/riscv/cpu_helper.c +++ b/target/riscv/cpu_helper.c @@ -840,6 +840,8 @@ void riscv_cpu_do_interrupt(CPUState *cs) target_ulong cause = cs->exception_index & RISCV_EXCP_INT_MASK; target_ulong deleg = async ? env->mideleg : env->medeleg; target_ulong tval = 0; + target_ulong htval = 0; + target_ulong mtval2 = 0; if (!async) { /* set tval to badaddr for traps with address information */ @@ -901,6 +903,8 @@ void riscv_cpu_do_interrupt(CPUState *cs) env->hstatus = set_field(env->hstatus, HSTATUS_SPV, riscv_cpu_virt_enabled(env)); + htval = env->guest_phys_fault_addr; + riscv_cpu_set_virt_enabled(env, 0); riscv_cpu_set_force_hs_excep(env, 0); } else { @@ -911,6 +915,8 @@ void riscv_cpu_do_interrupt(CPUState *cs) get_field(env->mstatus, SSTATUS_SPP)); env->hstatus = set_field(env->hstatus, HSTATUS_SPV, riscv_cpu_virt_enabled(env)); + + htval = env->guest_phys_fault_addr; } } @@ -923,6 +929,7 @@ void riscv_cpu_do_interrupt(CPUState *cs) env->scause = cause | ((target_ulong)async << (TARGET_LONG_BITS - 1)); env->sepc = env->pc; env->sbadaddr = tval; + env->htval = htval; env->pc = (env->stvec >> 2 << 2) + ((async && (env->stvec & 3) == 1) ? cause * 4 : 0); riscv_cpu_set_mode(env, PRV_S); @@ -937,6 +944,8 @@ void riscv_cpu_do_interrupt(CPUState *cs) env->mstatus = set_field(env->mstatus, MSTATUS_MTL, riscv_cpu_force_hs_excep_enabled(env)); + mtval2 = env->guest_phys_fault_addr; + /* Trapping to M mode, virt is disabled */ riscv_cpu_set_virt_enabled(env, 0); riscv_cpu_set_force_hs_excep(env, 0); @@ -951,6 +960,7 @@ void riscv_cpu_do_interrupt(CPUState *cs) env->mcause = cause | ~(((target_ulong)-1) >> async); env->mepc = env->pc; env->mbadaddr = tval; + env->mtval2 = mtval2; env->pc = (env->mtvec >> 2 << 2) + ((async && (env->mtvec & 3) == 1) ? cause * 4 : 0); riscv_cpu_set_mode(env, PRV_M);