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Re: [PATCH v3 2/5] target/riscv: Add cycle & instret privilege mode filt
From: |
Atish Kumar Patra |
Subject: |
Re: [PATCH v3 2/5] target/riscv: Add cycle & instret privilege mode filtering properties |
Date: |
Mon, 8 Jan 2024 16:27:30 -0800 |
On Mon, Jan 8, 2024 at 10:10 AM Daniel Henrique Barboza
<dbarboza@ventanamicro.com> wrote:
>
>
>
> On 1/5/24 19:13, Atish Patra wrote:
> > From: Kaiwen Xue <kaiwenx@rivosinc.com>
> >
> > This adds the properties for ISA extension smcntrpmf. Patches
> > implementing it will follow.
> >
> > Signed-off-by: Atish Patra <atishp@rivosinc.com>
> > Signed-off-by: Kaiwen Xue <kaiwenx@rivosinc.com>
> > ---
> > target/riscv/cpu.c | 2 ++
> > target/riscv/cpu_cfg.h | 1 +
> > 2 files changed, 3 insertions(+)
> >
> > diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c
> > index 83c7c0cf07be..ea34ff2ae983 100644
> > --- a/target/riscv/cpu.c
> > +++ b/target/riscv/cpu.c
> > @@ -148,6 +148,7 @@ const RISCVIsaExtData isa_edata_arr[] = {
> > ISA_EXT_DATA_ENTRY(smstateen, PRIV_VERSION_1_12_0, ext_smstateen),
> > ISA_EXT_DATA_ENTRY(ssaia, PRIV_VERSION_1_12_0, ext_ssaia),
> > ISA_EXT_DATA_ENTRY(sscofpmf, PRIV_VERSION_1_12_0, ext_sscofpmf),
> > + ISA_EXT_DATA_ENTRY(smcntrpmf, PRIV_VERSION_1_12_0, ext_smcntrpmf),
> > ISA_EXT_DATA_ENTRY(sstc, PRIV_VERSION_1_12_0, ext_sstc),
> > ISA_EXT_DATA_ENTRY(svadu, PRIV_VERSION_1_12_0, ext_svadu),
> > ISA_EXT_DATA_ENTRY(svinval, PRIV_VERSION_1_12_0, ext_svinval),
>
> Sorry for not noticing this in the previous version. I believe we want the
> "smcntrpmf"
> entry to be right after "smaia" because the isa_edata_arr[] ordering matters
> when
> building the riscv,isa string in riscv_isa_string_ext().
>
Oops. Thanks for catching that. Fixed in v4.
>
> Thanks,
>
> Daniel
>
> > @@ -1296,6 +1297,7 @@ const char *riscv_get_misa_ext_description(uint32_t
> > bit)
> > const RISCVCPUMultiExtConfig riscv_cpu_extensions[] = {
> > /* Defaults for standard extensions */
> > MULTI_EXT_CFG_BOOL("sscofpmf", ext_sscofpmf, false),
> > + MULTI_EXT_CFG_BOOL("smcntrpmf", ext_smcntrpmf, false),
> > MULTI_EXT_CFG_BOOL("zifencei", ext_zifencei, true),
> > MULTI_EXT_CFG_BOOL("zicsr", ext_zicsr, true),
> > MULTI_EXT_CFG_BOOL("zihintntl", ext_zihintntl, true),
> > diff --git a/target/riscv/cpu_cfg.h b/target/riscv/cpu_cfg.h
> > index f4605fb190b9..00c34fdd3209 100644
> > --- a/target/riscv/cpu_cfg.h
> > +++ b/target/riscv/cpu_cfg.h
> > @@ -72,6 +72,7 @@ struct RISCVCPUConfig {
> > bool ext_zihpm;
> > bool ext_smstateen;
> > bool ext_sstc;
> > + bool ext_smcntrpmf;
> > bool ext_svadu;
> > bool ext_svinval;
> > bool ext_svnapot;
- [PATCH v3 0/5] Add ISA extension smcntrpmf support, Atish Patra, 2024/01/05
- [PATCH v3 1/5] target/riscv: Fix the predicate functions for mhpmeventhX CSRs, Atish Patra, 2024/01/05
- [PATCH v3 3/5] target/riscv: Add cycle & instret privilege mode filtering definitions, Atish Patra, 2024/01/05
- [PATCH v3 2/5] target/riscv: Add cycle & instret privilege mode filtering properties, Atish Patra, 2024/01/05
- [PATCH v3 5/5] target/riscv: Implement privilege mode filtering for cycle/instret, Atish Patra, 2024/01/05
- [PATCH v3 4/5] target/riscv: Add cycle & instret privilege mode filtering support, Atish Patra, 2024/01/05