Signed-off-by: Richard Henderson <[email protected]>
---
target/arm/cpregs.h | 6 ++++++
target/arm/helper.c | 21 +++++++++++++++++++++
2 files changed, 27 insertions(+)
diff --git a/target/arm/cpregs.h b/target/arm/cpregs.h
index e1d54baead..0b0004eff9 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"
@@ -1124,6 +1125,11 @@ 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,
+ uint64_t lo, uint64_t hi);
+
/*
* 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 c240edf182..e321f404e6 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_H64(env, ri) \
+ (*(uint64_t *)((char *)(env) + (ri)->fieldoffsethi))
uint64_t raw_read(CPUARMState *env, const ARMCPRegInfo *ri)
{
@@ -88,8 +90,27 @@ 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);
+ assert(ri->fieldoffsethi);
+ return int128_make128(CPREG_FIELD64(env, ri), CPREG_FIELD128_H64(env, ri));
+}
+
+void raw_write128(CPUARMState *env, const ARMCPRegInfo *ri,
+ uint64_t valuelo, uint64_t valuehi)
+{
+ assert(ri->type & ARM_CP_128BIT);
+ assert(ri->fieldoffset);
+ assert(ri->fieldoffsethi);
+ CPREG_FIELD64(env, ri) = valuelo;
+ CPREG_FIELD128_H64(env, ri) = valuehi;
+}
+
#undef CPREG_FIELD32
#undef CPREG_FIELD64
+#undef CPREG_FIELD128_H64
static void *raw_ptr(CPUARMState *env, const ARMCPRegInfo *ri)
{
--
2.43.0
