| Message ID | 20240810175744.166503-2-jamestiotio@gmail.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | riscv: sbi: Add support to test HSM extension | expand |
On Sun, Aug 11, 2024 at 01:57:42AM GMT, James Raphael Tiovalen wrote: > Add IPI EID and FID constants and a helper function to perform the IPI > SBI ecall. > > Signed-off-by: James Raphael Tiovalen <jamestiotio@gmail.com> > --- > lib/riscv/asm/sbi.h | 5 +++++ > riscv/sbi.c | 5 +++++ > 2 files changed, 10 insertions(+) > > diff --git a/lib/riscv/asm/sbi.h b/lib/riscv/asm/sbi.h > index 73ab5438..6b485dd3 100644 > --- a/lib/riscv/asm/sbi.h > +++ b/lib/riscv/asm/sbi.h > @@ -17,6 +17,7 @@ > enum sbi_ext_id { > SBI_EXT_BASE = 0x10, > SBI_EXT_TIME = 0x54494d45, > + SBI_EXT_IPI = 0x735049, > SBI_EXT_HSM = 0x48534d, > SBI_EXT_SRST = 0x53525354, > }; > @@ -42,6 +43,10 @@ enum sbi_ext_time_fid { > SBI_EXT_TIME_SET_TIMER = 0, > }; > > +enum sbi_ext_ipi_fid { > + SBI_EXT_IPI_SEND_IPI = 0, > +}; > + > struct sbiret { > long error; > long value; > diff --git a/riscv/sbi.c b/riscv/sbi.c > index 2438c497..08bd6a95 100644 > --- a/riscv/sbi.c > +++ b/riscv/sbi.c > @@ -32,6 +32,11 @@ static struct sbiret __time_sbi_ecall(unsigned long stime_value) > return sbi_ecall(SBI_EXT_TIME, SBI_EXT_TIME_SET_TIMER, stime_value, 0, 0, 0, 0, 0); > } > > +static struct sbiret __ipi_sbi_ecall(unsigned long hart_mask, unsigned long hart_mask_base) > +{ > + return sbi_ecall(SBI_EXT_IPI, SBI_EXT_IPI_SEND_IPI, hart_mask, hart_mask_base, 0, 0, 0, 0); > +} This will likely come in handy for other tests. Let's add it with the name sbi_send_ipi() to lib/riscv/sbi.c instead. Thanks, drew > + > static bool env_or_skip(const char *env) > { > if (!getenv(env)) { > -- > 2.43.0 > > > -- > kvm-riscv mailing list > kvm-riscv@lists.infradead.org > http://lists.infradead.org/mailman/listinfo/kvm-riscv
diff --git a/lib/riscv/asm/sbi.h b/lib/riscv/asm/sbi.h index 73ab5438..6b485dd3 100644 --- a/lib/riscv/asm/sbi.h +++ b/lib/riscv/asm/sbi.h @@ -17,6 +17,7 @@ enum sbi_ext_id { SBI_EXT_BASE = 0x10, SBI_EXT_TIME = 0x54494d45, + SBI_EXT_IPI = 0x735049, SBI_EXT_HSM = 0x48534d, SBI_EXT_SRST = 0x53525354, }; @@ -42,6 +43,10 @@ enum sbi_ext_time_fid { SBI_EXT_TIME_SET_TIMER = 0, }; +enum sbi_ext_ipi_fid { + SBI_EXT_IPI_SEND_IPI = 0, +}; + struct sbiret { long error; long value; diff --git a/riscv/sbi.c b/riscv/sbi.c index 2438c497..08bd6a95 100644 --- a/riscv/sbi.c +++ b/riscv/sbi.c @@ -32,6 +32,11 @@ static struct sbiret __time_sbi_ecall(unsigned long stime_value) return sbi_ecall(SBI_EXT_TIME, SBI_EXT_TIME_SET_TIMER, stime_value, 0, 0, 0, 0, 0); } +static struct sbiret __ipi_sbi_ecall(unsigned long hart_mask, unsigned long hart_mask_base) +{ + return sbi_ecall(SBI_EXT_IPI, SBI_EXT_IPI_SEND_IPI, hart_mask, hart_mask_base, 0, 0, 0, 0); +} + static bool env_or_skip(const char *env) { if (!getenv(env)) {
Add IPI EID and FID constants and a helper function to perform the IPI SBI ecall. Signed-off-by: James Raphael Tiovalen <jamestiotio@gmail.com> --- lib/riscv/asm/sbi.h | 5 +++++ riscv/sbi.c | 5 +++++ 2 files changed, 10 insertions(+)