| Message ID | 20220113014959.21429-2-liweiwei@iscas.ac.cn (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | support subsets of Float-Point in Integer Registers extensions | expand |
On Thu, Jan 13, 2022 at 11:51 AM Weiwei Li <liweiwei@iscas.ac.cn> wrote: > > Co-authored-by: ardxwe <ardxwe@gmail.com> > Signed-off-by: Weiwei Li <liweiwei@iscas.ac.cn> > Signed-off-by: Junqiang Wang <wangjunqiang@iscas.ac.cn> > Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Alistair > --- > target/riscv/cpu.c | 12 ++++++++++++ > target/riscv/cpu.h | 4 ++++ > target/riscv/translate.c | 8 ++++++++ > 3 files changed, 24 insertions(+) > > diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c > index 9bc25d3055..fc3ec5bca1 100644 > --- a/target/riscv/cpu.c > +++ b/target/riscv/cpu.c > @@ -518,6 +518,11 @@ static void riscv_cpu_realize(DeviceState *dev, Error **errp) > cpu->cfg.ext_d = true; > } > > + if (cpu->cfg.ext_zdinx || cpu->cfg.ext_zhinx || > + cpu->cfg.ext_zhinxmin) { > + cpu->cfg.ext_zfinx = true; > + } > + > /* Set the ISA extensions, checks should have happened above */ > if (cpu->cfg.ext_i) { > ext |= RVI; > @@ -592,6 +597,13 @@ static void riscv_cpu_realize(DeviceState *dev, Error **errp) > 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); > } > diff --git a/target/riscv/cpu.h b/target/riscv/cpu.h > index 4d63086765..b202bcbeff 100644 > --- a/target/riscv/cpu.h > +++ b/target/riscv/cpu.h > @@ -327,8 +327,12 @@ struct RISCVCPU { > bool ext_counters; > bool ext_ifencei; > bool ext_icsr; > + bool ext_zdinx; > bool ext_zfh; > bool ext_zfhmin; > + bool ext_zfinx; > + bool ext_zhinx; > + bool ext_zhinxmin; > > char *priv_spec; > char *user_spec; > diff --git a/target/riscv/translate.c b/target/riscv/translate.c > index 615048ec87..9687fa3e7c 100644 > --- a/target/riscv/translate.c > +++ b/target/riscv/translate.c > @@ -77,8 +77,12 @@ typedef struct DisasContext { > RISCVMXL ol; > bool virt_enabled; > bool ext_ifencei; > + bool ext_zdinx; > bool ext_zfh; > bool ext_zfhmin; > + bool ext_zfinx; > + bool ext_zhinx; > + bool ext_zhinxmin; > bool hlsx; > /* vector extension */ > bool vill; > @@ -892,8 +896,12 @@ static void riscv_tr_init_disas_context(DisasContextBase *dcbase, CPUState *cs) > ctx->misa_ext = env->misa_ext; > ctx->frm = -1; /* unknown rounding mode */ > ctx->ext_ifencei = cpu->cfg.ext_ifencei; > + ctx->ext_zdinx = cpu->cfg.ext_zdinx; > ctx->ext_zfh = cpu->cfg.ext_zfh; > ctx->ext_zfhmin = cpu->cfg.ext_zfhmin; > + ctx->ext_zfinx = cpu->cfg.ext_zfinx; > + ctx->ext_zhinx = cpu->cfg.ext_zhinx; > + ctx->ext_zhinxmin = cpu->cfg.ext_zhinxmin; > ctx->vlen = cpu->cfg.vlen; > ctx->elen = cpu->cfg.elen; > ctx->mstatus_hs_fs = FIELD_EX32(tb_flags, TB_FLAGS, MSTATUS_HS_FS); > -- > 2.17.1 > >
diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c index 9bc25d3055..fc3ec5bca1 100644 --- a/target/riscv/cpu.c +++ b/target/riscv/cpu.c @@ -518,6 +518,11 @@ static void riscv_cpu_realize(DeviceState *dev, Error **errp) cpu->cfg.ext_d = true; } + if (cpu->cfg.ext_zdinx || cpu->cfg.ext_zhinx || + cpu->cfg.ext_zhinxmin) { + cpu->cfg.ext_zfinx = true; + } + /* Set the ISA extensions, checks should have happened above */ if (cpu->cfg.ext_i) { ext |= RVI; @@ -592,6 +597,13 @@ static void riscv_cpu_realize(DeviceState *dev, Error **errp) 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); } diff --git a/target/riscv/cpu.h b/target/riscv/cpu.h index 4d63086765..b202bcbeff 100644 --- a/target/riscv/cpu.h +++ b/target/riscv/cpu.h @@ -327,8 +327,12 @@ struct RISCVCPU { bool ext_counters; bool ext_ifencei; bool ext_icsr; + bool ext_zdinx; bool ext_zfh; bool ext_zfhmin; + bool ext_zfinx; + bool ext_zhinx; + bool ext_zhinxmin; char *priv_spec; char *user_spec; diff --git a/target/riscv/translate.c b/target/riscv/translate.c index 615048ec87..9687fa3e7c 100644 --- a/target/riscv/translate.c +++ b/target/riscv/translate.c @@ -77,8 +77,12 @@ typedef struct DisasContext { RISCVMXL ol; bool virt_enabled; bool ext_ifencei; + bool ext_zdinx; bool ext_zfh; bool ext_zfhmin; + bool ext_zfinx; + bool ext_zhinx; + bool ext_zhinxmin; bool hlsx; /* vector extension */ bool vill; @@ -892,8 +896,12 @@ static void riscv_tr_init_disas_context(DisasContextBase *dcbase, CPUState *cs) ctx->misa_ext = env->misa_ext; ctx->frm = -1; /* unknown rounding mode */ ctx->ext_ifencei = cpu->cfg.ext_ifencei; + ctx->ext_zdinx = cpu->cfg.ext_zdinx; ctx->ext_zfh = cpu->cfg.ext_zfh; ctx->ext_zfhmin = cpu->cfg.ext_zfhmin; + ctx->ext_zfinx = cpu->cfg.ext_zfinx; + ctx->ext_zhinx = cpu->cfg.ext_zhinx; + ctx->ext_zhinxmin = cpu->cfg.ext_zhinxmin; ctx->vlen = cpu->cfg.vlen; ctx->elen = cpu->cfg.elen; ctx->mstatus_hs_fs = FIELD_EX32(tb_flags, TB_FLAGS, MSTATUS_HS_FS);