diff options
| author | Alistair Francis <alistair.francis@wdc.com> | 2020-01-31 17:03:02 -0800 |
|---|---|---|
| committer | Palmer Dabbelt <palmerdabbelt@google.com> | 2020-02-27 13:46:31 -0800 |
| commit | 3067553993ae986b76a92df8a978778134ecdc84 (patch) | |
| tree | c578e06489dd551c51ac06c4164f7995deb3749f /target | |
| parent | b2ef6ab9fee6948cf016f9e741feecdfb333fcbe (diff) | |
target/riscv: Set htval and mtval2 on execptions
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Palmer Dabbelt <palmerdabbelt@google.com>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
Diffstat (limited to 'target')
| -rw-r--r-- | target/riscv/cpu_helper.c | 10 |
1 files changed, 10 insertions, 0 deletions
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); |