[PATCH v4 14/17] target/riscv: adding high part of some csrs

[Frédéric Pétrot]

Adding the high part of a very minimal set of csr.

Signed-off-by: Frédéric Pétrot <frederic.petrot@univ-grenoble-alpes.fr>
Co-authored-by: Fabien Portas <fabien.portas@grenoble-inp.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
---
 target/riscv/cpu.h     | 4 ++++
 target/riscv/machine.c | 2 ++
 2 files changed, 6 insertions(+)

diff --git a/target/riscv/cpu.h b/target/riscv/cpu.h
index 923ef01583..d8093be74d 100644
--- a/target/riscv/cpu.h
+++ b/target/riscv/cpu.h
@@ -194,6 +194,10 @@ struct CPURISCVState {
     target_ulong hgatp;
     uint64_t htimedelta;
 
+    /* Upper 64-bits of 128-bit CSRs */
+    uint64_t mscratchh;
+    uint64_t sscratchh;
+
     /* Virtual CSRs */
     /*
      * For RV32 this is 32-bit vsstatus and 32-bit vsstatush.
diff --git a/target/riscv/machine.c b/target/riscv/machine.c
index 78636ec96d..df4e667c59 100644
--- a/target/riscv/machine.c
+++ b/target/riscv/machine.c
@@ -153,6 +153,8 @@ static const VMStateDescription vmstate_rv128 = {
     .needed = rv128_needed,
     .fields = (VMStateField[]) {
         VMSTATE_UINTTL_ARRAY(env.gprh, RISCVCPU, 32),
+        VMSTATE_UINT64(env.mscratchh, RISCVCPU),
+        VMSTATE_UINT64(env.sscratchh, RISCVCPU),
         VMSTATE_END_OF_LIST()
     }
 };
-- 
2.33.0