[PATCH v2 27/39] xen/riscv: introduce asm/time.h

[Oleksii Kurochko <oleksii.kurochko@xxxxxxxxx>]

Signed-off-by: Oleksii Kurochko <oleksii.kurochko@xxxxxxxxx>
---
Changes in V2:
 -  change xen/lib.h to xen/bug.h
 - remove inclusion of <asm/processor.h> as it's not needed.
---
 xen/arch/riscv/include/asm/time.h | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
 create mode 100644 xen/arch/riscv/include/asm/time.h

diff --git a/xen/arch/riscv/include/asm/time.h 
b/xen/arch/riscv/include/asm/time.h
new file mode 100644
index 0000000000..3ce848deac
--- /dev/null
+++ b/xen/arch/riscv/include/asm/time.h
@@ -0,0 +1,19 @@
+#ifndef __ASM_RISCV_TIME_H__
+#define __ASM_RISCV_TIME_H__
+
+#include <xen/bug.h>
+#include <asm/csr.h>
+
+struct vcpu;
+
+/* TODO: implement */
+static inline void force_update_vcpu_system_time(struct vcpu *v) { BUG(); }
+
+typedef unsigned long cycles_t;
+
+static inline cycles_t get_cycles(void)
+{
+       return csr_read(CSR_TIME);
+}
+
+#endif /* __ASM_RISCV_TIME_H__ */
\ No newline at end of file
-- 
2.42.0