diff options
Diffstat (limited to 'arch/arm64/kvm/sys_regs.c')
| -rw-r--r-- | arch/arm64/kvm/sys_regs.c | 19 |
1 files changed, 6 insertions, 13 deletions
diff --git a/arch/arm64/kvm/sys_regs.c b/arch/arm64/kvm/sys_regs.c index e3e37228ae4e..1a5bea4285e4 100644 --- a/arch/arm64/kvm/sys_regs.c +++ b/arch/arm64/kvm/sys_regs.c @@ -965,6 +965,10 @@ static bool access_pmuserenr(struct kvm_vcpu *vcpu, struct sys_reg_params *p, return true; } +#define reg_to_encoding(x) \ + sys_reg((u32)(x)->Op0, (u32)(x)->Op1, \ + (u32)(x)->CRn, (u32)(x)->CRm, (u32)(x)->Op2); + /* Silly macro to expand the DBG{BCR,BVR,WVR,WCR}n_EL1 registers in one go */ #define DBG_BCR_BVR_WCR_WVR_EL1(n) \ { SYS_DESC(SYS_DBGBVRn_EL1(n)), \ @@ -1820,30 +1824,19 @@ static const struct sys_reg_desc *get_target_table(unsigned target, } } -#define reg_to_match_value(x) \ - ({ \ - unsigned long val; \ - val = (x)->Op0 << 14; \ - val |= (x)->Op1 << 11; \ - val |= (x)->CRn << 7; \ - val |= (x)->CRm << 3; \ - val |= (x)->Op2; \ - val; \ - }) - static int match_sys_reg(const void *key, const void *elt) { const unsigned long pval = (unsigned long)key; const struct sys_reg_desc *r = elt; - return pval - reg_to_match_value(r); + return pval - reg_to_encoding(r); } static const struct sys_reg_desc *find_reg(const struct sys_reg_params *params, const struct sys_reg_desc table[], unsigned int num) { - unsigned long pval = reg_to_match_value(params); + unsigned long pval = reg_to_encoding(params); return bsearch((void *)pval, table, num, sizeof(table[0]), match_sys_reg); } |