[PATCH v1 24/57] xen/riscv: introduce asm/percpu.h

[Oleksii Kurochko <oleksii.kurochko@xxxxxxxxx>]

Signed-off-by: Oleksii Kurochko <oleksii.kurochko@xxxxxxxxx>
---
 xen/arch/riscv/include/asm/percpu.h | 33 +++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)
 create mode 100644 xen/arch/riscv/include/asm/percpu.h

diff --git a/xen/arch/riscv/include/asm/percpu.h 
b/xen/arch/riscv/include/asm/percpu.h
new file mode 100644
index 0000000000..6b317a28fd
--- /dev/null
+++ b/xen/arch/riscv/include/asm/percpu.h
@@ -0,0 +1,33 @@
+#ifndef __ASM_RISCV_PERCPU_H__
+#define __ASM_RISCV_PERCPU_H__
+
+#ifndef __ASSEMBLY__
+
+#include <xen/types.h>
+
+extern char __per_cpu_start[], __per_cpu_data_end[];
+extern unsigned long __per_cpu_offset[NR_CPUS];
+void percpu_init_areas(void);
+
+#define per_cpu(var, cpu)  \
+    (*RELOC_HIDE(&per_cpu__##var, __per_cpu_offset[cpu]))
+
+#define this_cpu(var) \
+    (*RELOC_HIDE(&per_cpu__##var, __per_cpu_offset[get_processor_id()]))
+
+#define per_cpu_ptr(var, cpu)  \
+    (*RELOC_HIDE(var, __per_cpu_offset[cpu]))
+#define this_cpu_ptr(var) \
+    (*RELOC_HIDE(var, get_processor_id()))
+
+#endif
+
+#endif /* __ASM_RISCV_PERCPU_H__ */
+/*
+ * Local variables:
+ * mode: C
+ * c-file-style: "BSD"
+ * c-basic-offset: 4
+ * indent-tabs-mode: nil
+ * End:
+ */
-- 
2.41.0