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KVM: arm64: add SYS_DESC()

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This patch adds a macro enabling us to initialise sys_reg_desc
structures based on common sysreg encoding definitions in
<asm/sysreg.h>. Subsequent patches will use this to simplify the KVM
code.

Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Acked-by: Christoffer Dall <christoffer.dall@linaro.org>
Cc: Marc Zyngier <marc.zyngier@arm.com>
Cc: kvmarm@lists.cs.columbia.edu
This commit is contained in:
Mark Rutland 2017-01-13 17:25:11 +00:00
parent 4dc529257d
commit 8db5d8f141
1 changed files with 5 additions and 0 deletions
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5
arch/arm64/kvm/sys_regs.h
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@ -147,4 +147,9 @@ const struct sys_reg_desc *find_reg_by_id(u64 id,
#define CRm(_x) .CRm = _x #define CRm(_x) .CRm = _x
#define Op2(_x) .Op2 = _x #define Op2(_x) .Op2 = _x
#define SYS_DESC(reg) \
Op0(sys_reg_Op0(reg)), Op1(sys_reg_Op1(reg)), \
CRn(sys_reg_CRn(reg)), CRm(sys_reg_CRm(reg)), \
Op2(sys_reg_Op2(reg))
#endif /* __ARM64_KVM_SYS_REGS_LOCAL_H__ */ #endif /* __ARM64_KVM_SYS_REGS_LOCAL_H__ */