| Message ID | bc82203b72d7efb30f1b4a8f9eb3d94699799dc8.camel@rivosinc.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | linux-user/riscv: Add new extensions to hwprobe | expand |
On 8/28/23 07:56, Robbin Ehn wrote: > This patch adds the new extensions in > linux 6.5 to the hwprobe syscall. > > And fixes RVC check to OR with correct value. > The previous variable contains 0 therefore it > did work. > > Signed-off-by: Robbin Ehn<rehn@rivosinc.com> > --- > linux-user/syscall.c | 14 +++++++++++++- > 1 file changed, 13 insertions(+), 1 deletion(-) Acked-by: Richard Henderson <richard.henderson@linaro.org> r~
On Tue, Aug 29, 2023 at 12:58 AM Robbin Ehn <rehn@rivosinc.com> wrote: > > This patch adds the new extensions in > linux 6.5 to the hwprobe syscall. > > And fixes RVC check to OR with correct value. > The previous variable contains 0 therefore it > did work. > > Signed-off-by: Robbin Ehn <rehn@rivosinc.com> Acked-by: Alistair Francis <alistair.francis@wdc.com> Alistair > --- > linux-user/syscall.c | 14 +++++++++++++- > 1 file changed, 13 insertions(+), 1 deletion(-) > > diff --git a/linux-user/syscall.c b/linux-user/syscall.c > index 9353268cc1..c46a0b1493 100644 > --- a/linux-user/syscall.c > +++ b/linux-user/syscall.c > @@ -9049,6 +9049,10 @@ static int do_getdents64(abi_long dirfd, abi_long arg2, abi_long count) > #define RISCV_HWPROBE_KEY_IMA_EXT_0 4 > #define RISCV_HWPROBE_IMA_FD (1 << 0) > #define RISCV_HWPROBE_IMA_C (1 << 1) > +#define RISCV_HWPROBE_IMA_V (1 << 2) > +#define RISCV_HWPROBE_EXT_ZBA (1 << 3) > +#define RISCV_HWPROBE_EXT_ZBB (1 << 4) > +#define RISCV_HWPROBE_EXT_ZBS (1 << 5) > > #define RISCV_HWPROBE_KEY_CPUPERF_0 5 > #define RISCV_HWPROBE_MISALIGNED_UNKNOWN (0 << 0) > @@ -9096,7 +9100,15 @@ static void risc_hwprobe_fill_pairs(CPURISCVState *env, > riscv_has_ext(env, RVD) ? > RISCV_HWPROBE_IMA_FD : 0; > value |= riscv_has_ext(env, RVC) ? > - RISCV_HWPROBE_IMA_C : pair->value; > + RISCV_HWPROBE_IMA_C : 0; > + value |= riscv_has_ext(env, RVV) ? > + RISCV_HWPROBE_IMA_V : 0; > + value |= cfg->ext_zba ? > + RISCV_HWPROBE_EXT_ZBA : 0; > + value |= cfg->ext_zbb ? > + RISCV_HWPROBE_EXT_ZBB : 0; > + value |= cfg->ext_zbs ? > + RISCV_HWPROBE_EXT_ZBS : 0; > __put_user(value, &pair->value); > break; > case RISCV_HWPROBE_KEY_CPUPERF_0: > -- > 2.39.2 > >
On Tue, Aug 29, 2023 at 12:58 AM Robbin Ehn <rehn@rivosinc.com> wrote: > > This patch adds the new extensions in > linux 6.5 to the hwprobe syscall. > > And fixes RVC check to OR with correct value. > The previous variable contains 0 therefore it > did work. > > Signed-off-by: Robbin Ehn <rehn@rivosinc.com> Thanks! Applied to riscv-to-apply.next Alistair > --- > linux-user/syscall.c | 14 +++++++++++++- > 1 file changed, 13 insertions(+), 1 deletion(-) > > diff --git a/linux-user/syscall.c b/linux-user/syscall.c > index 9353268cc1..c46a0b1493 100644 > --- a/linux-user/syscall.c > +++ b/linux-user/syscall.c > @@ -9049,6 +9049,10 @@ static int do_getdents64(abi_long dirfd, abi_long arg2, abi_long count) > #define RISCV_HWPROBE_KEY_IMA_EXT_0 4 > #define RISCV_HWPROBE_IMA_FD (1 << 0) > #define RISCV_HWPROBE_IMA_C (1 << 1) > +#define RISCV_HWPROBE_IMA_V (1 << 2) > +#define RISCV_HWPROBE_EXT_ZBA (1 << 3) > +#define RISCV_HWPROBE_EXT_ZBB (1 << 4) > +#define RISCV_HWPROBE_EXT_ZBS (1 << 5) > > #define RISCV_HWPROBE_KEY_CPUPERF_0 5 > #define RISCV_HWPROBE_MISALIGNED_UNKNOWN (0 << 0) > @@ -9096,7 +9100,15 @@ static void risc_hwprobe_fill_pairs(CPURISCVState *env, > riscv_has_ext(env, RVD) ? > RISCV_HWPROBE_IMA_FD : 0; > value |= riscv_has_ext(env, RVC) ? > - RISCV_HWPROBE_IMA_C : pair->value; > + RISCV_HWPROBE_IMA_C : 0; > + value |= riscv_has_ext(env, RVV) ? > + RISCV_HWPROBE_IMA_V : 0; > + value |= cfg->ext_zba ? > + RISCV_HWPROBE_EXT_ZBA : 0; > + value |= cfg->ext_zbb ? > + RISCV_HWPROBE_EXT_ZBB : 0; > + value |= cfg->ext_zbs ? > + RISCV_HWPROBE_EXT_ZBS : 0; > __put_user(value, &pair->value); > break; > case RISCV_HWPROBE_KEY_CPUPERF_0: > -- > 2.39.2 > >
diff --git a/linux-user/syscall.c b/linux-user/syscall.c index 9353268cc1..c46a0b1493 100644 --- a/linux-user/syscall.c +++ b/linux-user/syscall.c @@ -9049,6 +9049,10 @@ static int do_getdents64(abi_long dirfd, abi_long arg2, abi_long count) #define RISCV_HWPROBE_KEY_IMA_EXT_0 4 #define RISCV_HWPROBE_IMA_FD (1 << 0) #define RISCV_HWPROBE_IMA_C (1 << 1) +#define RISCV_HWPROBE_IMA_V (1 << 2) +#define RISCV_HWPROBE_EXT_ZBA (1 << 3) +#define RISCV_HWPROBE_EXT_ZBB (1 << 4) +#define RISCV_HWPROBE_EXT_ZBS (1 << 5) #define RISCV_HWPROBE_KEY_CPUPERF_0 5 #define RISCV_HWPROBE_MISALIGNED_UNKNOWN (0 << 0) @@ -9096,7 +9100,15 @@ static void risc_hwprobe_fill_pairs(CPURISCVState *env, riscv_has_ext(env, RVD) ? RISCV_HWPROBE_IMA_FD : 0; value |= riscv_has_ext(env, RVC) ? - RISCV_HWPROBE_IMA_C : pair->value; + RISCV_HWPROBE_IMA_C : 0; + value |= riscv_has_ext(env, RVV) ? + RISCV_HWPROBE_IMA_V : 0; + value |= cfg->ext_zba ? + RISCV_HWPROBE_EXT_ZBA : 0; + value |= cfg->ext_zbb ? + RISCV_HWPROBE_EXT_ZBB : 0; + value |= cfg->ext_zbs ? + RISCV_HWPROBE_EXT_ZBS : 0; __put_user(value, &pair->value); break; case RISCV_HWPROBE_KEY_CPUPERF_0:
This patch adds the new extensions in linux 6.5 to the hwprobe syscall. And fixes RVC check to OR with correct value. The previous variable contains 0 therefore it did work. Signed-off-by: Robbin Ehn <rehn@rivosinc.com> --- linux-user/syscall.c | 14 +++++++++++++- 1 file changed, 13 insertions(+), 1 deletion(-)