diff options
Diffstat (limited to 'target/riscv/cpu.c')
| -rw-r--r-- | target/riscv/cpu.c | 38 |
1 files changed, 34 insertions, 4 deletions
diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c index 1f1cef1d6a..991a6bb760 100644 --- a/target/riscv/cpu.c +++ b/target/riscv/cpu.c @@ -51,7 +51,7 @@ const char * const riscv_fpr_regnames[] = { "f30/ft10", "f31/ft11" }; -const char * const riscv_excp_names[] = { +static const char * const riscv_excp_names[] = { "misaligned_fetch", "fault_fetch", "illegal_instruction", @@ -78,7 +78,7 @@ const char * const riscv_excp_names[] = { "guest_store_page_fault", }; -const char * const riscv_intr_names[] = { +static const char * const riscv_intr_names[] = { "u_software", "s_software", "vs_software", @@ -127,6 +127,11 @@ static void set_priv_version(CPURISCVState *env, int priv_ver) env->priv_ver = priv_ver; } +static void set_bext_version(CPURISCVState *env, int bext_ver) +{ + env->bext_ver = bext_ver; +} + static void set_vext_version(CPURISCVState *env, int vext_ver) { env->vext_ver = vext_ver; @@ -286,12 +291,15 @@ static void riscv_cpu_dump_state(CPUState *cs, FILE *f, int flags) if (riscv_has_ext(env, RVH)) { qemu_fprintf(f, " %s " TARGET_FMT_lx "\n", "vscause ", env->vscause); } - qemu_fprintf(f, " %s " TARGET_FMT_lx "\n", "mtval ", env->mtval); - qemu_fprintf(f, " %s " TARGET_FMT_lx "\n", "stval ", env->stval); + qemu_fprintf(f, " %s " TARGET_FMT_lx "\n", "mtval ", env->mtval); + qemu_fprintf(f, " %s " TARGET_FMT_lx "\n", "stval ", env->stval); if (riscv_has_ext(env, RVH)) { qemu_fprintf(f, " %s " TARGET_FMT_lx "\n", "htval ", env->htval); qemu_fprintf(f, " %s " TARGET_FMT_lx "\n", "mtval2 ", env->mtval2); } + qemu_fprintf(f, " %s " TARGET_FMT_lx "\n", "mscratch", env->mscratch); + qemu_fprintf(f, " %s " TARGET_FMT_lx "\n", "sscratch", env->sscratch); + qemu_fprintf(f, " %s " TARGET_FMT_lx "\n", "satp ", env->satp); #endif for (i = 0; i < 32; i++) { @@ -385,6 +393,7 @@ static void riscv_cpu_realize(DeviceState *dev, Error **errp) CPURISCVState *env = &cpu->env; RISCVCPUClass *mcc = RISCV_CPU_GET_CLASS(dev); int priv_version = PRIV_VERSION_1_11_0; + int bext_version = BEXT_VERSION_0_93_0; int vext_version = VEXT_VERSION_0_07_1; target_ulong target_misa = env->misa; Error *local_err = NULL; @@ -409,6 +418,7 @@ static void riscv_cpu_realize(DeviceState *dev, Error **errp) } set_priv_version(env, priv_version); + set_bext_version(env, bext_version); set_vext_version(env, vext_version); if (cpu->cfg.mmu) { @@ -486,6 +496,24 @@ static void riscv_cpu_realize(DeviceState *dev, Error **errp) if (cpu->cfg.ext_h) { target_misa |= RVH; } + if (cpu->cfg.ext_b) { + target_misa |= RVB; + + if (cpu->cfg.bext_spec) { + if (!g_strcmp0(cpu->cfg.bext_spec, "v0.93")) { + bext_version = BEXT_VERSION_0_93_0; + } else { + error_setg(errp, + "Unsupported bitmanip spec version '%s'", + cpu->cfg.bext_spec); + return; + } + } else { + qemu_log("bitmanip version is not specified, " + "use the default value v0.93\n"); + } + set_bext_version(env, bext_version); + } if (cpu->cfg.ext_v) { target_misa |= RVV; if (!is_power_of_2(cpu->cfg.vlen)) { @@ -556,12 +584,14 @@ static Property riscv_cpu_properties[] = { DEFINE_PROP_BOOL("s", RISCVCPU, cfg.ext_s, true), DEFINE_PROP_BOOL("u", RISCVCPU, cfg.ext_u, true), /* This is experimental so mark with 'x-' */ + DEFINE_PROP_BOOL("x-b", RISCVCPU, cfg.ext_b, false), DEFINE_PROP_BOOL("x-h", RISCVCPU, cfg.ext_h, false), DEFINE_PROP_BOOL("x-v", RISCVCPU, cfg.ext_v, false), DEFINE_PROP_BOOL("Counters", RISCVCPU, cfg.ext_counters, true), DEFINE_PROP_BOOL("Zifencei", RISCVCPU, cfg.ext_ifencei, true), DEFINE_PROP_BOOL("Zicsr", RISCVCPU, cfg.ext_icsr, true), DEFINE_PROP_STRING("priv_spec", RISCVCPU, cfg.priv_spec), + DEFINE_PROP_STRING("bext_spec", RISCVCPU, cfg.bext_spec), DEFINE_PROP_STRING("vext_spec", RISCVCPU, cfg.vext_spec), DEFINE_PROP_UINT16("vlen", RISCVCPU, cfg.vlen, 128), DEFINE_PROP_UINT16("elen", RISCVCPU, cfg.elen, 64), |