diff mbox series

[v2,26/39] xen/riscv: introduce asm/regs.h

Message ID 073c9a03abe429c1e45f6f66b648a25aff87e9f3.1700761381.git.oleksii.kurochko@gmail.com (mailing list archive)
State Superseded
Headers show
Series Enable build of full Xen for RISC-V | expand

Commit Message

Oleksii K. Nov. 24, 2023, 10:30 a.m. UTC 
Signed-off-by: Oleksii Kurochko <oleksii.kurochko@gmail.com>
---
Changes in V2:
 - change xen/lib.h to xen/bug.h
 - remove unnecessary empty line
---
 xen/arch/riscv/include/asm/regs.h | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)
 create mode 100644 xen/arch/riscv/include/asm/regs.h

Comments

Jan Beulich Dec. 14, 2023, 3:05 p.m. UTC | #1 
On 24.11.2023 11:30, Oleksii Kurochko wrote:
> --- /dev/null
> +++ b/xen/arch/riscv/include/asm/regs.h
> @@ -0,0 +1,26 @@
> +#ifndef __ARM_RISCV_REGS_H__
> +#define __ARM_RISCV_REGS_H__
> +
> +#ifndef __ASSEMBLY__
> +
> +#include <xen/bug.h>
> +#include <asm/current.h>

Does one of these bring in asm/processor.h, for ...

> +#define hyp_mode(r)     (0)
> +
> +static inline bool guest_mode(const struct cpu_user_regs *r)

... struct cpu_user_regs to be available? Else a forward declaration
would be needed here.

Acked-by: Jan Beulich <jbeulich@suse.com>

Jan
Oleksii K. Dec. 18, 2023, 10:08 a.m. UTC | #2 
On Thu, 2023-12-14 at 16:05 +0100, Jan Beulich wrote:
> On 24.11.2023 11:30, Oleksii Kurochko wrote:
> > --- /dev/null
> > +++ b/xen/arch/riscv/include/asm/regs.h
> > @@ -0,0 +1,26 @@
> > +#ifndef __ARM_RISCV_REGS_H__
> > +#define __ARM_RISCV_REGS_H__
> > +
> > +#ifndef __ASSEMBLY__
> > +
> > +#include <xen/bug.h>
> > +#include <asm/current.h>
> 
> Does one of these bring in asm/processor.h, for ...
> 
> > +#define hyp_mode(r)     (0)
> > +
> > +static inline bool guest_mode(const struct cpu_user_regs *r)
> 
> ... struct cpu_user_regs to be available? Else a forward declaration
> would be needed here.
Agreed. It will be better to use a forward declaration. I'll change
that in next patch series.

> 
> Acked-by: Jan Beulich <jbeulich@suse.com>
Thanks.

~ Oleksii
diff mbox series

Patch

diff --git a/xen/arch/riscv/include/asm/regs.h b/xen/arch/riscv/include/asm/regs.h
new file mode 100644
index 0000000000..8556837c65
--- /dev/null
+++ b/xen/arch/riscv/include/asm/regs.h
@@ -0,0 +1,26 @@ 
+#ifndef __ARM_RISCV_REGS_H__
+#define __ARM_RISCV_REGS_H__
+
+#ifndef __ASSEMBLY__
+
+#include <xen/bug.h>
+#include <asm/current.h>
+
+#define hyp_mode(r)     (0)
+
+static inline bool guest_mode(const struct cpu_user_regs *r)
+{
+    BUG();
+}
+
+#endif /* __ASSEMBLY__ */
+
+#endif /* __ARM_RISCV_REGS_H__ */
+/*
+ * Local variables:
+ * mode: C
+ * c-file-style: "BSD"
+ * c-basic-offset: 4
+ * indent-tabs-mode: nil
+ * End:
+ */