Signed-off-by: Oleksii Kurochko <oleksii.kurochko@gmail.com>
---
Changes in V4:
- Drop in guest_testop() and guest_bitop() casts of function arguments.
- Change "commit message" to "commit title" in "Changes in V3" to be more precise about
what was changed.
- use BUG_ON("unimplemented") instead of ASSERT_UNREACHABLE
---
Changes in V3:
- update the commit title
- drop TODO commit.
- add ASSERT_UNREACHABLE for stubs guest functions.
- Add SPDX & footer
---
Changes in V2:
- Nothing changed. Only rebase.
---
xen/arch/riscv/include/asm/guest_atomics.h | 44 ++++++++++++++++++++++
1 file changed, 44 insertions(+)
create mode 100644 xen/arch/riscv/include/asm/guest_atomics.h
diff --git a/xen/arch/riscv/include/asm/guest_atomics.h b/xen/arch/riscv/include/asm/guest_atomics.h
new file mode 100644
index 0000000000..de54914454
--- /dev/null
+++ b/xen/arch/riscv/include/asm/guest_atomics.h
@@ -0,0 +1,44 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+#ifndef __ASM_RISCV_GUEST_ATOMICS_H
+#define __ASM_RISCV_GUEST_ATOMICS_H
+
+#include <xen/bug.h>
+
+#define guest_testop(name) \
+static inline int guest_##name(struct domain *d, int nr, volatile void *p) \
+{ \
+ BUG_ON("unimplemented"); \
+ \
+ return 0; \
+}
+
+#define guest_bitop(name) \
+static inline void guest_##name(struct domain *d, int nr, volatile void *p) \
+{ \
+ BUG_ON("unimplemented"); \
+}
+
+guest_bitop(set_bit)
+guest_bitop(clear_bit)
+guest_bitop(change_bit)
+
+#undef guest_bitop
+
+guest_testop(test_and_set_bit)
+guest_testop(test_and_clear_bit)
+guest_testop(test_and_change_bit)
+
+#undef guest_testop
+
+#define guest_test_bit(d, nr, p) ((void)(d), test_bit(nr, p))
+
+#endif /* __ASM_RISCV_GUEST_ATOMICS_H */
+
+/*
+ * Local variables:
+ * mode: C
+ * c-file-style: "BSD"
+ * c-basic-offset: 4
+ * indent-tabs-mode: nil
+ * End:
+ */
--
2.43.0