[xen master] xen/riscv: introduce regs.h

[patchbot@xxxxxxx]

commit af46249ad8bd14a9d2ee74a9a73d93b92d912861
Author:     Oleksii Kurochko <oleksii.kurochko@xxxxxxxxx>
AuthorDate: Mon Feb 5 16:32:24 2024 +0100
Commit:     Jan Beulich <jbeulich@xxxxxxxx>
CommitDate: Tue Feb 13 09:31:16 2024 +0100

    xen/riscv: introduce regs.h
    
    Signed-off-by: Oleksii Kurochko <oleksii.kurochko@xxxxxxxxx>
    Acked-by: Jan Beulich <jbeulich@xxxxxxxx>
    ------
    Changes in V4:
     - add Acked-by: Jan Beulich <jbeulich@xxxxxxxx>
     - s/BUG()/BUG_ON("unimplemented")
---
 xen/arch/riscv/include/asm/regs.h | 29 +++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)

diff --git a/xen/arch/riscv/include/asm/regs.h 
b/xen/arch/riscv/include/asm/regs.h
new file mode 100644
index 0000000000..c70ea2aa0c
--- /dev/null
+++ b/xen/arch/riscv/include/asm/regs.h
@@ -0,0 +1,29 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+#ifndef __ARM_RISCV_REGS_H__
+#define __ARM_RISCV_REGS_H__
+
+#ifndef __ASSEMBLY__
+
+#include <xen/bug.h>
+
+#define hyp_mode(r)     (0)
+
+struct cpu_user_regs;
+
+static inline bool guest_mode(const struct cpu_user_regs *r)
+{
+    BUG_ON("unimplemented");
+}
+
+#endif /* __ASSEMBLY__ */
+
+#endif /* __ARM_RISCV_REGS_H__ */
+
+/*
+ * Local variables:
+ * mode: C
+ * c-file-style: "BSD"
+ * c-basic-offset: 4
+ * indent-tabs-mode: nil
+ * End:
+ */
--
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