diff options
| -rw-r--r-- | target/riscv/cpu.c | 31 |
1 files changed, 16 insertions, 15 deletions
diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c index b960473f7d..00a068668f 100644 --- a/target/riscv/cpu.c +++ b/target/riscv/cpu.c @@ -630,14 +630,27 @@ static void riscv_cpu_realize(DeviceState *dev, Error **errp) return; } + if ((cpu->cfg.ext_zve32f || cpu->cfg.ext_zve64f) && !cpu->cfg.ext_f) { + error_setg(errp, "Zve32f/Zve64f extensions require F extension"); + return; + } + + /* Set the ISA extensions, checks should have happened above */ if (cpu->cfg.ext_zdinx || cpu->cfg.ext_zhinx || cpu->cfg.ext_zhinxmin) { cpu->cfg.ext_zfinx = true; } - if (cpu->cfg.ext_zfinx && !cpu->cfg.ext_icsr) { - error_setg(errp, "Zfinx extension requires Zicsr"); - return; + if (cpu->cfg.ext_zfinx) { + if (!cpu->cfg.ext_icsr) { + error_setg(errp, "Zfinx extension requires Zicsr"); + return; + } + if (cpu->cfg.ext_f) { + error_setg(errp, + "Zfinx cannot be supported together with F extension"); + return; + } } if (cpu->cfg.ext_zk) { @@ -663,7 +676,6 @@ static void riscv_cpu_realize(DeviceState *dev, Error **errp) cpu->cfg.ext_zksh = true; } - /* Set the ISA extensions, checks should have happened above */ if (cpu->cfg.ext_i) { ext |= RVI; } @@ -734,20 +746,9 @@ static void riscv_cpu_realize(DeviceState *dev, Error **errp) } set_vext_version(env, vext_version); } - if ((cpu->cfg.ext_zve32f || cpu->cfg.ext_zve64f) && !cpu->cfg.ext_f) { - error_setg(errp, "Zve32f/Zve64f extension depends upon RVF."); - return; - } if (cpu->cfg.ext_j) { ext |= RVJ; } - if (cpu->cfg.ext_zfinx && ((ext & (RVF | RVD)) || cpu->cfg.ext_zfh || - cpu->cfg.ext_zfhmin)) { - error_setg(errp, - "'Zfinx' cannot be supported together with 'F', 'D', 'Zfh'," - " 'Zfhmin'"); - return; - } set_misa(env, env->misa_mxl, ext); } |