diff --git a/qemu/riscv32.h b/qemu/riscv32.h index 821c0f8e..0de0315d 100644 --- a/qemu/riscv32.h +++ b/qemu/riscv32.h @@ -3452,12 +3452,14 @@ #define riscv_cpu_do_interrupt riscv_cpu_do_interrupt_riscv32 #define riscv_cpu_do_unaligned_access riscv_cpu_do_unaligned_access_riscv32 #define riscv_cpu_exec_interrupt riscv_cpu_exec_interrupt_riscv32 +#define riscv_cpu_force_hs_excep_enabled riscv_cpu_force_hs_excep_enabled_riscv32 #define riscv_cpu_get_fflags riscv_cpu_get_fflags_riscv32 #define riscv_cpu_get_phys_page_debug riscv_cpu_get_phys_page_debug_riscv32 #define riscv_cpu_list riscv_cpu_list_riscv32 #define riscv_cpu_mmu_index riscv_cpu_mmu_index_riscv32 #define riscv_cpu_register_types riscv_cpu_register_types_riscv32 #define riscv_cpu_set_fflags riscv_cpu_set_fflags_riscv32 +#define riscv_cpu_set_force_hs_excep riscv_cpu_set_force_hs_excep_riscv32 #define riscv_cpu_set_mode riscv_cpu_set_mode_riscv32 #define riscv_cpu_set_virt_enabled riscv_cpu_set_virt_enabled_riscv32 #define riscv_cpu_tlb_fill riscv_cpu_tlb_fill_riscv32 diff --git a/qemu/riscv64.h b/qemu/riscv64.h index 485aaa6a..ddb63260 100644 --- a/qemu/riscv64.h +++ b/qemu/riscv64.h @@ -3452,12 +3452,14 @@ #define riscv_cpu_do_interrupt riscv_cpu_do_interrupt_riscv64 #define riscv_cpu_do_unaligned_access riscv_cpu_do_unaligned_access_riscv64 #define riscv_cpu_exec_interrupt riscv_cpu_exec_interrupt_riscv64 +#define riscv_cpu_force_hs_excep_enabled riscv_cpu_force_hs_excep_enabled_riscv64 #define riscv_cpu_get_fflags riscv_cpu_get_fflags_riscv64 #define riscv_cpu_get_phys_page_debug riscv_cpu_get_phys_page_debug_riscv64 #define riscv_cpu_list riscv_cpu_list_riscv64 #define riscv_cpu_mmu_index riscv_cpu_mmu_index_riscv64 #define riscv_cpu_register_types riscv_cpu_register_types_riscv64 #define riscv_cpu_set_fflags riscv_cpu_set_fflags_riscv64 +#define riscv_cpu_set_force_hs_excep riscv_cpu_set_force_hs_excep_riscv64 #define riscv_cpu_set_mode riscv_cpu_set_mode_riscv64 #define riscv_cpu_set_virt_enabled riscv_cpu_set_virt_enabled_riscv64 #define riscv_cpu_tlb_fill riscv_cpu_tlb_fill_riscv64 diff --git a/qemu/target/riscv/csr.c b/qemu/target/riscv/csr.c index 76f9c766..d8903672 100644 --- a/qemu/target/riscv/csr.c +++ b/qemu/target/riscv/csr.c @@ -804,9 +804,20 @@ int riscv_csrrw(CPURISCVState *env, int csrno, target_ulong *ret_value, /* check privileges and return -1 if check fails */ #if !defined(CONFIG_USER_ONLY) - int csr_priv = get_field(csrno, 0x300); + int effective_priv = env->priv; int read_only = get_field(csrno, 0xC00) == 3; - if ((write_mask && read_only) || (env->priv < csr_priv)) { + if (riscv_has_ext(env, RVH) && + env->priv == PRV_S && + !riscv_cpu_virt_enabled(env)) { + /* + * We are in S mode without virtualisation, therefore we are in HS Mode. + * Add 1 to the effective privledge level to allow us to access the + * Hypervisor CSRs. + */ + effective_priv++; + } + if ((write_mask && read_only) || + (!env->debugger && (effective_priv < get_field(csrno, 0x300)))) { return -1; } #endif