Signed-off-by: Alistair Francis <alistair.fran...@wdc.com> --- target/riscv/cpu_bits.h | 11 ----------- target/riscv/cpu_helper.c | 30 +++++++++++++++++++++++------- target/riscv/csr.c | 33 ++++++++++++++++++++++++--------- target/riscv/monitor.c | 22 +++++++++++++++++----- 4 files changed, 64 insertions(+), 32 deletions(-)
diff --git a/target/riscv/cpu_bits.h b/target/riscv/cpu_bits.h index dd643d0f63..6a816ce9c2 100644 --- a/target/riscv/cpu_bits.h +++ b/target/riscv/cpu_bits.h @@ -452,17 +452,6 @@ #define SATP64_ASID 0x0FFFF00000000000ULL #define SATP64_PPN 0x00000FFFFFFFFFFFULL -#if defined(TARGET_RISCV32) -#define SATP_MODE SATP32_MODE -#define SATP_ASID SATP32_ASID -#define SATP_PPN SATP32_PPN -#endif -#if defined(TARGET_RISCV64) -#define SATP_MODE SATP64_MODE -#define SATP_ASID SATP64_ASID -#define SATP_PPN SATP64_PPN -#endif - /* VM modes (mstatus.vm) privileged ISA 1.9.1 */ #define VM_1_09_MBARE 0 #define VM_1_09_MBB 1 diff --git a/target/riscv/cpu_helper.c b/target/riscv/cpu_helper.c index 6446af5de0..7ae9352d80 100644 --- a/target/riscv/cpu_helper.c +++ b/target/riscv/cpu_helper.c @@ -403,11 +403,21 @@ static int get_physical_address(CPURISCVState *env, hwaddr *physical, if (first_stage == true) { if (use_background) { - base = (hwaddr)get_field(env->vsatp, SATP_PPN) << PGSHIFT; - vm = get_field(env->vsatp, SATP_MODE); + if (riscv_cpu_is_32bit(env)) { + base = (hwaddr)get_field(env->vsatp, SATP32_PPN) << PGSHIFT; + vm = get_field(env->vsatp, SATP32_MODE); + } else { + base = (hwaddr)get_field(env->vsatp, SATP64_PPN) << PGSHIFT; + vm = get_field(env->vsatp, SATP64_MODE); + } } else { - base = (hwaddr)get_field(env->satp, SATP_PPN) << PGSHIFT; - vm = get_field(env->satp, SATP_MODE); + if (riscv_cpu_is_32bit(env)) { + base = (hwaddr)get_field(env->satp, SATP32_PPN) << PGSHIFT; + vm = get_field(env->satp, SATP32_MODE); + } else { + base = (hwaddr)get_field(env->satp, SATP64_PPN) << PGSHIFT; + vm = get_field(env->satp, SATP64_MODE); + } } widened = 0; } else { @@ -622,9 +632,15 @@ static void raise_mmu_exception(CPURISCVState *env, target_ulong address, CPUState *cs = env_cpu(env); int page_fault_exceptions; if (first_stage) { - page_fault_exceptions = - get_field(env->satp, SATP_MODE) != VM_1_10_MBARE && - !pmp_violation; + if (riscv_cpu_is_32bit(env)) { + page_fault_exceptions = + get_field(env->satp, SATP32_MODE) != VM_1_10_MBARE && + !pmp_violation; + } else { + page_fault_exceptions = + get_field(env->satp, SATP64_MODE) != VM_1_10_MBARE && + !pmp_violation; + } } else { if (riscv_cpu_is_32bit(env)) { page_fault_exceptions = diff --git a/target/riscv/csr.c b/target/riscv/csr.c index 6052b2d6e9..b0ebaa029e 100644 --- a/target/riscv/csr.c +++ b/target/riscv/csr.c @@ -930,16 +930,31 @@ static int write_satp(CPURISCVState *env, int csrno, target_ulong val) if (!riscv_feature(env, RISCV_FEATURE_MMU)) { return 0; } - if (validate_vm(env, get_field(val, SATP_MODE)) && - ((val ^ env->satp) & (SATP_MODE | SATP_ASID | SATP_PPN))) - { - if (env->priv == PRV_S && get_field(env->mstatus, MSTATUS_TVM)) { - return -RISCV_EXCP_ILLEGAL_INST; - } else { - if ((val ^ env->satp) & SATP_ASID) { - tlb_flush(env_cpu(env)); + if (riscv_cpu_is_32bit(env)) { + if (validate_vm(env, get_field(val, SATP32_MODE)) && + ((val ^ env->satp) & (SATP32_MODE | SATP32_ASID | SATP32_PPN))) + { + if (env->priv == PRV_S && get_field(env->mstatus, MSTATUS_TVM)) { + return -RISCV_EXCP_ILLEGAL_INST; + } else { + if ((val ^ env->satp) & SATP32_ASID) { + tlb_flush(env_cpu(env)); + } + env->satp = val; + } + } + } else { + if (validate_vm(env, get_field(val, SATP64_MODE)) && + ((val ^ env->satp) & (SATP64_MODE | SATP64_ASID | SATP64_PPN))) + { + if (env->priv == PRV_S && get_field(env->mstatus, MSTATUS_TVM)) { + return -RISCV_EXCP_ILLEGAL_INST; + } else { + if ((val ^ env->satp) & SATP64_ASID) { + tlb_flush(env_cpu(env)); + } + env->satp = val; } - env->satp = val; } } return 0; diff --git a/target/riscv/monitor.c b/target/riscv/monitor.c index e51188f919..f7e6ea72b3 100644 --- a/target/riscv/monitor.c +++ b/target/riscv/monitor.c @@ -150,9 +150,14 @@ static void mem_info_svxx(Monitor *mon, CPUArchState *env) target_ulong last_size; int last_attr; - base = (hwaddr)get_field(env->satp, SATP_PPN) << PGSHIFT; + if (riscv_cpu_is_32bit(env)) { + base = (hwaddr)get_field(env->satp, SATP32_PPN) << PGSHIFT; + vm = get_field(env->satp, SATP32_MODE); + } else { + base = (hwaddr)get_field(env->satp, SATP64_PPN) << PGSHIFT; + vm = get_field(env->satp, SATP64_MODE); + } - vm = get_field(env->satp, SATP_MODE); switch (vm) { case VM_1_10_SV32: levels = 2; @@ -215,9 +220,16 @@ void hmp_info_mem(Monitor *mon, const QDict *qdict) return; } - if (!(env->satp & SATP_MODE)) { - monitor_printf(mon, "No translation or protection\n"); - return; + if (riscv_cpu_is_32bit(env)) { + if (!(env->satp & SATP32_MODE)) { + monitor_printf(mon, "No translation or protection\n"); + return; + } + } else { + if (!(env->satp & SATP64_MODE)) { + monitor_printf(mon, "No translation or protection\n"); + return; + } } mem_info_svxx(mon, env); -- 2.31.0