From b2ef6ab9fee6948cf016f9e741feecdfb333fcbe Mon Sep 17 00:00:00 2001 From: Alistair Francis Date: Fri, 31 Jan 2020 17:02:59 -0800 Subject: [PATCH] target/riscv: Raise the new execptions when 2nd stage translation fails Signed-off-by: Alistair Francis Reviewed-by: Palmer Dabbelt Signed-off-by: Palmer Dabbelt --- target/riscv/cpu_helper.c | 24 ++++++++++++++++++------ 1 file changed, 18 insertions(+), 6 deletions(-) diff --git a/target/riscv/cpu_helper.c b/target/riscv/cpu_helper.c index 584b0c71fb..9e28b19c29 100644 --- a/target/riscv/cpu_helper.c +++ b/target/riscv/cpu_helper.c @@ -587,16 +587,28 @@ static void raise_mmu_exception(CPURISCVState *env, target_ulong address, } switch (access_type) { case MMU_INST_FETCH: - cs->exception_index = page_fault_exceptions ? - RISCV_EXCP_INST_PAGE_FAULT : RISCV_EXCP_INST_ACCESS_FAULT; + if (riscv_cpu_virt_enabled(env) && !first_stage) { + cs->exception_index = RISCV_EXCP_INST_GUEST_PAGE_FAULT; + } else { + cs->exception_index = page_fault_exceptions ? + RISCV_EXCP_INST_PAGE_FAULT : RISCV_EXCP_INST_ACCESS_FAULT; + } break; case MMU_DATA_LOAD: - cs->exception_index = page_fault_exceptions ? - RISCV_EXCP_LOAD_PAGE_FAULT : RISCV_EXCP_LOAD_ACCESS_FAULT; + if (riscv_cpu_virt_enabled(env) && !first_stage) { + cs->exception_index = RISCV_EXCP_LOAD_GUEST_ACCESS_FAULT; + } else { + cs->exception_index = page_fault_exceptions ? + RISCV_EXCP_LOAD_PAGE_FAULT : RISCV_EXCP_LOAD_ACCESS_FAULT; + } break; case MMU_DATA_STORE: - cs->exception_index = page_fault_exceptions ? - RISCV_EXCP_STORE_PAGE_FAULT : RISCV_EXCP_STORE_AMO_ACCESS_FAULT; + if (riscv_cpu_virt_enabled(env) && !first_stage) { + cs->exception_index = RISCV_EXCP_STORE_GUEST_AMO_ACCESS_FAULT; + } else { + cs->exception_index = page_fault_exceptions ? + RISCV_EXCP_STORE_PAGE_FAULT : RISCV_EXCP_STORE_AMO_ACCESS_FAULT; + } break; default: g_assert_not_reached();