[kvmtool PATCH 04/10] riscv: Add Ziccrse extension support

From: Anup Patel <apatel@ventanamicro.com>
To: Will Deacon <will@kernel.org>,
	julien.thierry.kdev@gmail.com, maz@kernel.org
Cc: Paolo Bonzini <pbonzini@redhat.com>,
	Atish Patra <atishp@atishpatra.org>,
	Andrew Jones <ajones@ventanamicro.com>,
	Anup Patel <anup@brainfault.org>,
	kvm@vger.kernel.org, kvm-riscv@lists.infradead.org,
	Anup Patel <apatel@ventanamicro.com>
Subject: [kvmtool PATCH 04/10] riscv: Add Ziccrse extension support
Date: Wed, 26 Mar 2025 12:26:38 +0530	[thread overview]
Message-ID: <20250326065644.73765-5-apatel@ventanamicro.com> (raw)
In-Reply-To: <20250326065644.73765-1-apatel@ventanamicro.com>

When the Ziccrse extension is available expose it to the guest
via device tree so that guest can use it.

Signed-off-by: Anup Patel <apatel@ventanamicro.com>
---
 riscv/fdt.c                         | 1 +
 riscv/include/kvm/kvm-config-arch.h | 3 +++
 2 files changed, 4 insertions(+)

diff --git a/riscv/fdt.c b/riscv/fdt.c
index ddd0b28..3ee20a9 100644
--- a/riscv/fdt.c
+++ b/riscv/fdt.c
@@ -48,6 +48,7 @@ struct isa_ext_info isa_info_arr[] = {
 	{"zfhmin", KVM_RISCV_ISA_EXT_ZFHMIN},
 	{"zicbom", KVM_RISCV_ISA_EXT_ZICBOM},
 	{"zicboz", KVM_RISCV_ISA_EXT_ZICBOZ},
+	{"ziccrse", KVM_RISCV_ISA_EXT_ZICCRSE},
 	{"zicntr", KVM_RISCV_ISA_EXT_ZICNTR},
 	{"zicond", KVM_RISCV_ISA_EXT_ZICOND},
 	{"zicsr", KVM_RISCV_ISA_EXT_ZICSR},
diff --git a/riscv/include/kvm/kvm-config-arch.h b/riscv/include/kvm/kvm-config-arch.h
index d86158d..5badb74 100644
--- a/riscv/include/kvm/kvm-config-arch.h
+++ b/riscv/include/kvm/kvm-config-arch.h
@@ -121,6 +121,9 @@ struct kvm_config_arch {
 	OPT_BOOLEAN('\0', "disable-zicboz",				\
 		    &(cfg)->ext_disabled[KVM_RISCV_ISA_EXT_ZICBOZ],	\
 		    "Disable Zicboz Extension"),			\
+	OPT_BOOLEAN('\0', "disable-ziccrse",				\
+		    &(cfg)->ext_disabled[KVM_RISCV_ISA_EXT_ZICCRSE],	\
+		    "Disable Ziccrse Extension"),			\
 	OPT_BOOLEAN('\0', "disable-zicntr",				\
 		    &(cfg)->ext_disabled[KVM_RISCV_ISA_EXT_ZICNTR],	\
 		    "Disable Zicntr Extension"),			\
-- 
2.43.0


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