Hi Shaoqin, On 7/19/23 05:19, Shaoqin Huang wrote: > Currently the SCTLR_EL1_* is defined by (1 << x), all of them can be > replaced by the _BITUL() macro to make the format consistent with the > SCTLR_EL1_RES1 definition. I would rephrase the commit title into arm64: Use _BITUL() to define SCTLR_EL1 bit fields Besides, since SCTLR_EL1 is 64b shouldn't we have _BITULL() everywhere instead? Eric > > Signed-off-by: Shaoqin Huang <shahuang@xxxxxxxxxx> > --- > lib/arm64/asm/sysreg.h | 16 ++++++++-------- > 1 file changed, 8 insertions(+), 8 deletions(-) > > diff --git a/lib/arm64/asm/sysreg.h b/lib/arm64/asm/sysreg.h > index 18c4ed3..c7f529d 100644 > --- a/lib/arm64/asm/sysreg.h > +++ b/lib/arm64/asm/sysreg.h > @@ -80,14 +80,14 @@ asm( > #define ICC_GRPEN1_EL1 sys_reg(3, 0, 12, 12, 7) > > /* System Control Register (SCTLR_EL1) bits */ > -#define SCTLR_EL1_EE (1 << 25) > -#define SCTLR_EL1_WXN (1 << 19) > -#define SCTLR_EL1_I (1 << 12) > -#define SCTLR_EL1_SA0 (1 << 4) > -#define SCTLR_EL1_SA (1 << 3) > -#define SCTLR_EL1_C (1 << 2) > -#define SCTLR_EL1_A (1 << 1) > -#define SCTLR_EL1_M (1 << 0) > +#define SCTLR_EL1_EE _BITUL(25) > +#define SCTLR_EL1_WXN _BITUL(19) > +#define SCTLR_EL1_I _BITUL(12) > +#define SCTLR_EL1_SA0 _BITUL(4) > +#define SCTLR_EL1_SA _BITUL(3) > +#define SCTLR_EL1_C _BITUL(2) > +#define SCTLR_EL1_A _BITUL(1) > +#define SCTLR_EL1_M _BITUL(0) > > #define SCTLR_EL1_RES1 (_BITUL(7) | _BITUL(8) | _BITUL(11) | _BITUL(20) | \ > _BITUL(22) | _BITUL(23) | _BITUL(28) | _BITUL(29))