On Wed, 27 Aug 2025 04:04, Richard Henderson <[email protected]> wrote: >Signed-off-by: Richard Henderson <[email protected]> >---
Reviewed-by: Manos Pitsidianakis <[email protected]> > target/arm/cpregs.h | 5 +++++ > target/arm/helper.c | 17 +++++++++++++++++ > 2 files changed, 22 insertions(+) > >diff --git a/target/arm/cpregs.h b/target/arm/cpregs.h >index 90f14dbb18..0d8c45b60c 100644 >--- a/target/arm/cpregs.h >+++ b/target/arm/cpregs.h >@@ -21,6 +21,7 @@ > #ifndef TARGET_ARM_CPREGS_H > #define TARGET_ARM_CPREGS_H > >+#include "qemu/int128.h" > #include "hw/registerfields.h" > #include "exec/memop.h" > #include "target/arm/kvm-consts.h" >@@ -1065,6 +1066,10 @@ uint64_t raw_read(CPUARMState *env, const ARMCPRegInfo >*ri); > /* CPWriteFn that just writes the value to ri->fieldoffset */ > void raw_write(CPUARMState *env, const ARMCPRegInfo *ri, uint64_t value); > >+/* Likewise for 128-bit fields. */ >+Int128 raw_read128(CPUARMState *env, const ARMCPRegInfo *opaque); >+void raw_write128(CPUARMState *env, const ARMCPRegInfo *opaque, Int128 value); >+ > /* > * CPResetFn that does nothing, for use if no reset is required even > * if fieldoffset is non zero. >diff --git a/target/arm/helper.c b/target/arm/helper.c >index 18af67742d..7568b78c49 100644 >--- a/target/arm/helper.c >+++ b/target/arm/helper.c >@@ -59,6 +59,8 @@ int compare_u64(const void *a, const void *b) > (*(uint32_t *)((char *)(env) + (ri)->fieldoffset)) > #define CPREG_FIELD64(env, ri) \ > (*(uint64_t *)((char *)(env) + (ri)->fieldoffset)) >+#define CPREG_FIELD128(env, ri) \ >+ (*(Int128 *)((char *)(env) + (ri)->fieldoffset)) > > uint64_t raw_read(CPUARMState *env, const ARMCPRegInfo *ri) > { >@@ -88,8 +90,23 @@ void raw_write(CPUARMState *env, const ARMCPRegInfo *ri, >uint64_t value) > } > } > >+Int128 raw_read128(CPUARMState *env, const ARMCPRegInfo *ri) >+{ >+ assert(ri->type & ARM_CP_128BIT); >+ assert(ri->fieldoffset); >+ return CPREG_FIELD128(env, ri); >+} >+ >+void raw_write128(CPUARMState *env, const ARMCPRegInfo *ri, Int128 value) >+{ >+ assert(ri->type & ARM_CP_128BIT); >+ assert(ri->fieldoffset); >+ CPREG_FIELD128(env, ri) = value; >+} >+ > #undef CPREG_FIELD32 > #undef CPREG_FIELD64 >+#undef CPREG_FIELD128 > > static void *raw_ptr(CPUARMState *env, const ARMCPRegInfo *ri) > { >-- >2.43.0 > >
