| Message ID | 20220216052110.1053665-2-mchitale@ventanamicro.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | Risc-V Svinval support | expand |
On Wed, Feb 16, 2022 at 10:51 AM Mayuresh Chitale <mchitale@ventanamicro.com> wrote: > > Similar to the other ISA extensions, this patch enables > callers to check for the presence for the svinval extension. > > Signed-off-by: Mayuresh Chitale <mchitale@ventanamicro.com> Please update riscv_fill_hwcap() in arch/riscv/kernel/cpufeature.c to probe Svinval extension. Regards, Anup > --- > arch/riscv/include/asm/hwcap.h | 1 + > arch/riscv/kernel/cpu.c | 1 + > 2 files changed, 2 insertions(+) > > diff --git a/arch/riscv/include/asm/hwcap.h b/arch/riscv/include/asm/hwcap.h > index 691fc9c8099b..bbff7cb279ea 100644 > --- a/arch/riscv/include/asm/hwcap.h > +++ b/arch/riscv/include/asm/hwcap.h > @@ -51,6 +51,7 @@ extern unsigned long elf_hwcap; > * available logical extension id. > */ > enum riscv_isa_ext_id { > + RISCV_ISA_EXT_SVINVAL = RISCV_ISA_EXT_BASE, > RISCV_ISA_EXT_ID_MAX = RISCV_ISA_EXT_MAX, > }; > > diff --git a/arch/riscv/kernel/cpu.c b/arch/riscv/kernel/cpu.c > index ced7e5be8641..ff0613f8cc39 100644 > --- a/arch/riscv/kernel/cpu.c > +++ b/arch/riscv/kernel/cpu.c > @@ -71,6 +71,7 @@ int riscv_of_parent_hartid(struct device_node *node) > } > > static struct riscv_isa_ext_data isa_ext_arr[] = { > + __RISCV_ISA_EXT_DATA(svinval, RISCV_ISA_EXT_SVINVAL), > __RISCV_ISA_EXT_DATA("", RISCV_ISA_EXT_MAX), > }; > > -- > 2.25.1 >
diff --git a/arch/riscv/include/asm/hwcap.h b/arch/riscv/include/asm/hwcap.h index 691fc9c8099b..bbff7cb279ea 100644 --- a/arch/riscv/include/asm/hwcap.h +++ b/arch/riscv/include/asm/hwcap.h @@ -51,6 +51,7 @@ extern unsigned long elf_hwcap; * available logical extension id. */ enum riscv_isa_ext_id { + RISCV_ISA_EXT_SVINVAL = RISCV_ISA_EXT_BASE, RISCV_ISA_EXT_ID_MAX = RISCV_ISA_EXT_MAX, }; diff --git a/arch/riscv/kernel/cpu.c b/arch/riscv/kernel/cpu.c index ced7e5be8641..ff0613f8cc39 100644 --- a/arch/riscv/kernel/cpu.c +++ b/arch/riscv/kernel/cpu.c @@ -71,6 +71,7 @@ int riscv_of_parent_hartid(struct device_node *node) } static struct riscv_isa_ext_data isa_ext_arr[] = { + __RISCV_ISA_EXT_DATA(svinval, RISCV_ISA_EXT_SVINVAL), __RISCV_ISA_EXT_DATA("", RISCV_ISA_EXT_MAX), };
Similar to the other ISA extensions, this patch enables callers to check for the presence for the svinval extension. Signed-off-by: Mayuresh Chitale <mchitale@ventanamicro.com> --- arch/riscv/include/asm/hwcap.h | 1 + arch/riscv/kernel/cpu.c | 1 + 2 files changed, 2 insertions(+)