On Fri, 2023-06-02 at 20:00 -0700, Richard Henderson wrote:
> On 6/2/23 08:07, Andrew Jones wrote:
> > On Fri, Jun 02, 2023 at 04:39:20PM +0200, Robbin Ehn wrote:
> > > On Fri, 2023-06-02 at 16:02 +0200, Andrew Jones wrote:
> > > > On Fri, Jun 02, 2023 at 11:41:11AM +0200, Robbin Ehn wrote:
> > ...
On Fri, 2023-06-02 at 19:57 -0700, Richard Henderson wrote:
>
> > +case RISCV_HWPROBE_KEY_CPUPERF_0:
> > +pair->value = RISCV_HWPROBE_MISALIGNED_UNKNOWN;
>
> Is that really what you want to expose here? FAST is always going to be
> true, in that
> handling the unaligned ac
On 6/3/23 08:50, Andrew Jones wrote:
On Fri, Jun 02, 2023 at 07:58:30PM -0700, Richard Henderson wrote:
On 6/2/23 07:02, Andrew Jones wrote:
+struct riscv_hwprobe {
+int64_t key;
+uint64_t value;
+};
The above is all uapi so Linux's arch/riscv/include/uapi/asm/hwprobe.h
should be pic
On Fri, Jun 02, 2023 at 07:58:30PM -0700, Richard Henderson wrote:
> On 6/2/23 07:02, Andrew Jones wrote:
> > > +struct riscv_hwprobe {
> > > +int64_t key;
> > > +uint64_t value;
> > > +};
> >
> > The above is all uapi so Linux's arch/riscv/include/uapi/asm/hwprobe.h
> > should be picked
On 6/2/23 08:07, Andrew Jones wrote:
On Fri, Jun 02, 2023 at 04:39:20PM +0200, Robbin Ehn wrote:
On Fri, 2023-06-02 at 16:02 +0200, Andrew Jones wrote:
On Fri, Jun 02, 2023 at 11:41:11AM +0200, Robbin Ehn wrote:
...
+#if defined(TARGET_RISCV)
+case TARGET_NR_riscv_hwprobe:
+{
Th
On 6/2/23 07:02, Andrew Jones wrote:
+struct riscv_hwprobe {
+int64_t key;
+uint64_t value;
+};
The above is all uapi so Linux's arch/riscv/include/uapi/asm/hwprobe.h
should be picked up on Linux header update. You'll need to modify the
script, scripts/update-linux-headers.sh, to do th
On 6/2/23 02:41, Robbin Ehn wrote:
+struct riscv_hwprobe {
+int64_t key;
+uint64_t value;
+};
This needs to use abi_llong and abi_ullong, as the guest may not have the same alignment
requirements as the host.
+case RISCV_HWPROBE_KEY_MVENDORID:
+pair->value = cf
On Fri, Jun 02, 2023 at 04:39:20PM +0200, Robbin Ehn wrote:
> On Fri, 2023-06-02 at 16:02 +0200, Andrew Jones wrote:
> > On Fri, Jun 02, 2023 at 11:41:11AM +0200, Robbin Ehn wrote:
...
> > > +#if defined(TARGET_RISCV)
> > > +case TARGET_NR_riscv_hwprobe:
> > > +{
> >
> > The { goes und
On Fri, 2023-06-02 at 16:02 +0200, Andrew Jones wrote:
> On Fri, Jun 02, 2023 at 11:41:11AM +0200, Robbin Ehn wrote:
> > This patch adds the new syscall for the
> > "RISC-V Hardware Probing Interface"
> > (https://docs.kernel.org/riscv/hwprobe.html).
> >
> > Signed-off-by: Robbin Ehn
> > ---
> >
On Fri, Jun 02, 2023 at 11:41:11AM +0200, Robbin Ehn wrote:
> This patch adds the new syscall for the
> "RISC-V Hardware Probing Interface"
> (https://docs.kernel.org/riscv/hwprobe.html).
>
> Signed-off-by: Robbin Ehn
> ---
> v1->v2: Moved to syscall.c
> ---
> linux-user/riscv/syscall32_nr.h |
This patch adds the new syscall for the
"RISC-V Hardware Probing Interface"
(https://docs.kernel.org/riscv/hwprobe.html).
Signed-off-by: Robbin Ehn
---
v1->v2: Moved to syscall.c
---
linux-user/riscv/syscall32_nr.h | 1 +
linux-user/riscv/syscall64_nr.h | 1 +
linux-user/syscall.c
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