| Message ID | 20231110173716.24423-1-palmer@rivosinc.com |
|---|---|
| State | New |
| Headers | show |
| Series | linux-user/riscv: Add Zicboz block size to hwprobe | expand |
On 11/10/23 14:37, Palmer Dabbelt wrote: > Support for probing the Zicboz block size landed in Linux 6.6, which was > released a few weeks ago. This provides the user-configured block size > when Zicboz is enabled. > > Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com> > --- Reviewed-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com> > linux-user/syscall.c | 6 ++++++ > 1 file changed, 6 insertions(+) > > diff --git a/linux-user/syscall.c b/linux-user/syscall.c > index 65ac3ac796..7caacf43d6 100644 > --- a/linux-user/syscall.c > +++ b/linux-user/syscall.c > @@ -8808,6 +8808,8 @@ static int do_getdents64(abi_long dirfd, abi_long arg2, abi_long count) > #define RISCV_HWPROBE_MISALIGNED_UNSUPPORTED (4 << 0) > #define RISCV_HWPROBE_MISALIGNED_MASK (7 << 0) > > +#define RISCV_HWPROBE_KEY_ZICBOZ_BLOCK_SIZE 6 > + > struct riscv_hwprobe { > abi_llong key; > abi_ullong value; > @@ -8860,6 +8862,10 @@ static void risc_hwprobe_fill_pairs(CPURISCVState *env, > case RISCV_HWPROBE_KEY_CPUPERF_0: > __put_user(RISCV_HWPROBE_MISALIGNED_FAST, &pair->value); > break; > + case RISCV_HWPROBE_KEY_ZICBOZ_BLOCK_SIZE: > + value = cfg->ext_zicboz ? cfg->cboz_blocksize : 0; > + __put_user(value, &pair->value); > + break; > default: > __put_user(-1, &pair->key); > break;
On Sat, Nov 11, 2023 at 3:52 AM Palmer Dabbelt <palmer@rivosinc.com> wrote: > > Support for probing the Zicboz block size landed in Linux 6.6, which was > released a few weeks ago. This provides the user-configured block size > when Zicboz is enabled. > > Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com> Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Alistair > --- > linux-user/syscall.c | 6 ++++++ > 1 file changed, 6 insertions(+) > > diff --git a/linux-user/syscall.c b/linux-user/syscall.c > index 65ac3ac796..7caacf43d6 100644 > --- a/linux-user/syscall.c > +++ b/linux-user/syscall.c > @@ -8808,6 +8808,8 @@ static int do_getdents64(abi_long dirfd, abi_long arg2, abi_long count) > #define RISCV_HWPROBE_MISALIGNED_UNSUPPORTED (4 << 0) > #define RISCV_HWPROBE_MISALIGNED_MASK (7 << 0) > > +#define RISCV_HWPROBE_KEY_ZICBOZ_BLOCK_SIZE 6 > + > struct riscv_hwprobe { > abi_llong key; > abi_ullong value; > @@ -8860,6 +8862,10 @@ static void risc_hwprobe_fill_pairs(CPURISCVState *env, > case RISCV_HWPROBE_KEY_CPUPERF_0: > __put_user(RISCV_HWPROBE_MISALIGNED_FAST, &pair->value); > break; > + case RISCV_HWPROBE_KEY_ZICBOZ_BLOCK_SIZE: > + value = cfg->ext_zicboz ? cfg->cboz_blocksize : 0; > + __put_user(value, &pair->value); > + break; > default: > __put_user(-1, &pair->key); > break; > -- > 2.42.1 > >
On Sat, Nov 11, 2023 at 3:52 AM Palmer Dabbelt <palmer@rivosinc.com> wrote: > > Support for probing the Zicboz block size landed in Linux 6.6, which was > released a few weeks ago. This provides the user-configured block size > when Zicboz is enabled. > > Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com> Thanks! Applied to riscv-to-apply.next Alistair > --- > linux-user/syscall.c | 6 ++++++ > 1 file changed, 6 insertions(+) > > diff --git a/linux-user/syscall.c b/linux-user/syscall.c > index 65ac3ac796..7caacf43d6 100644 > --- a/linux-user/syscall.c > +++ b/linux-user/syscall.c > @@ -8808,6 +8808,8 @@ static int do_getdents64(abi_long dirfd, abi_long arg2, abi_long count) > #define RISCV_HWPROBE_MISALIGNED_UNSUPPORTED (4 << 0) > #define RISCV_HWPROBE_MISALIGNED_MASK (7 << 0) > > +#define RISCV_HWPROBE_KEY_ZICBOZ_BLOCK_SIZE 6 > + > struct riscv_hwprobe { > abi_llong key; > abi_ullong value; > @@ -8860,6 +8862,10 @@ static void risc_hwprobe_fill_pairs(CPURISCVState *env, > case RISCV_HWPROBE_KEY_CPUPERF_0: > __put_user(RISCV_HWPROBE_MISALIGNED_FAST, &pair->value); > break; > + case RISCV_HWPROBE_KEY_ZICBOZ_BLOCK_SIZE: > + value = cfg->ext_zicboz ? cfg->cboz_blocksize : 0; > + __put_user(value, &pair->value); > + break; > default: > __put_user(-1, &pair->key); > break; > -- > 2.42.1 > >
diff --git a/linux-user/syscall.c b/linux-user/syscall.c index 65ac3ac796..7caacf43d6 100644 --- a/linux-user/syscall.c +++ b/linux-user/syscall.c @@ -8808,6 +8808,8 @@ static int do_getdents64(abi_long dirfd, abi_long arg2, abi_long count) #define RISCV_HWPROBE_MISALIGNED_UNSUPPORTED (4 << 0) #define RISCV_HWPROBE_MISALIGNED_MASK (7 << 0) +#define RISCV_HWPROBE_KEY_ZICBOZ_BLOCK_SIZE 6 + struct riscv_hwprobe { abi_llong key; abi_ullong value; @@ -8860,6 +8862,10 @@ static void risc_hwprobe_fill_pairs(CPURISCVState *env, case RISCV_HWPROBE_KEY_CPUPERF_0: __put_user(RISCV_HWPROBE_MISALIGNED_FAST, &pair->value); break; + case RISCV_HWPROBE_KEY_ZICBOZ_BLOCK_SIZE: + value = cfg->ext_zicboz ? cfg->cboz_blocksize : 0; + __put_user(value, &pair->value); + break; default: __put_user(-1, &pair->key); break;
Support for probing the Zicboz block size landed in Linux 6.6, which was released a few weeks ago. This provides the user-configured block size when Zicboz is enabled. Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com> --- linux-user/syscall.c | 6 ++++++ 1 file changed, 6 insertions(+)