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Wed, 16 Aug 2023 03:20:34 -0700 (PDT) From: Oleksii Kurochko To: xen-devel@lists.xenproject.org Cc: Oleksii Kurochko , Bob Eshleman , Alistair Francis , Connor Davis Subject: [PATCH v1 24/57] xen/riscv: introduce asm/percpu.h Date: Wed, 16 Aug 2023 13:19:35 +0300 Message-ID: <2b60f93696f70dcd430cb525597b12f5d154262c.1692181079.git.oleksii.kurochko@gmail.com> X-Mailer: git-send-email 2.41.0 In-Reply-To: References: MIME-Version: 1.0 Signed-off-by: Oleksii Kurochko --- 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 + +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: + */