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target/riscv: adding high part of some csrs 

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>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20220106210108.138226-16-frederic.petrot@univ-grenoble-alpes.fr
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
This commit is contained in:
Frédéric Pétrot 2022-01-06 22:01:05 +01:00 committed by Alistair Francis
parent b3a5d1fbeb
commit 2c64ab66c1
2 changed files with 6 additions and 0 deletions
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4
target/riscv/cpu.h
View File

@ -195,6 +195,10 @@ struct CPURISCVState {
target_ulong hgatp; target_ulong hgatp;
uint64_t htimedelta; uint64_t htimedelta;
/* Upper 64-bits of 128-bit CSRs */
uint64_t mscratchh;
uint64_t sscratchh;
/* Virtual CSRs */ /* Virtual CSRs */
/* /*
* For RV32 this is 32-bit vsstatus and 32-bit vsstatush. * For RV32 this is 32-bit vsstatus and 32-bit vsstatush.

2
target/riscv/machine.c
View File

@ -179,6 +179,8 @@ static const VMStateDescription vmstate_rv128 = {
.needed = rv128_needed, .needed = rv128_needed,
.fields = (VMStateField[]) { .fields = (VMStateField[]) {
VMSTATE_UINTTL_ARRAY(env.gprh, RISCVCPU, 32), VMSTATE_UINTTL_ARRAY(env.gprh, RISCVCPU, 32),
VMSTATE_UINT64(env.mscratchh, RISCVCPU),
VMSTATE_UINT64(env.sscratchh, RISCVCPU),
VMSTATE_END_OF_LIST() VMSTATE_END_OF_LIST()
} }
}; };