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envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: permerror client-ip=89.207.88.248; envelope-from=alexei.filippov@syntacore.com; helo=mta-04.yadro.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_NONE=0.001, T_SPF_PERMERROR=0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-Mailman-Approved-At: Mon, 25 Mar 2024 09:45:59 -0400 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @syntacore.com) (identity @syntacore.com) X-ZM-MESSAGEID: 1711374446008100001 Content-Type: text/plain; charset="utf-8" kvm_riscv_handle_sbi() may return not supported return code to not trigger qemu abort with vendor-specific sbi. Added SBI related return code's defines. Signed-off-by: Alexei Filippov Fixes: 4eb47125 ("target/riscv: Handle KVM_EXIT_RISCV_SBI exit") Reviewed-by: Daniel Henrique Barboza Reviewed-by: Alistair Francis --- Changes since v1: -Add Fixes and Revied-by lines. target/riscv/kvm/kvm-cpu.c | 5 +++-- target/riscv/sbi_ecall_interface.h | 11 +++++++++++ 2 files changed, 14 insertions(+), 2 deletions(-) diff --git a/target/riscv/kvm/kvm-cpu.c b/target/riscv/kvm/kvm-cpu.c index 6a6c6cae80..a4f84ad950 100644 --- a/target/riscv/kvm/kvm-cpu.c +++ b/target/riscv/kvm/kvm-cpu.c @@ -1404,7 +1404,7 @@ static int kvm_riscv_handle_sbi(CPUState *cs, struct = kvm_run *run) if (ret =3D=3D sizeof(ch)) { run->riscv_sbi.ret[0] =3D ch; } else { - run->riscv_sbi.ret[0] =3D -1; + run->riscv_sbi.ret[0] =3D SBI_ERR_FAILURE; } ret =3D 0; break; @@ -1412,7 +1412,8 @@ static int kvm_riscv_handle_sbi(CPUState *cs, struct = kvm_run *run) qemu_log_mask(LOG_UNIMP, "%s: un-handled SBI EXIT, specific reasons is %lu\n", __func__, run->riscv_sbi.extension_id); - ret =3D -1; + run->riscv_sbi.ret[0] =3D SBI_ERR_NOT_SUPPORTED; + ret =3D 0; break; } return ret; diff --git a/target/riscv/sbi_ecall_interface.h b/target/riscv/sbi_ecall_in= terface.h index 43899d08f6..0279e92a36 100644 --- a/target/riscv/sbi_ecall_interface.h +++ b/target/riscv/sbi_ecall_interface.h @@ -69,4 +69,15 @@ #define SBI_EXT_VENDOR_END 0x09FFFFFF /* clang-format on */ =20 +/* SBI return error codes */ +#define SBI_SUCCESS 0 +#define SBI_ERR_FAILURE -1 +#define SBI_ERR_NOT_SUPPORTED -2 +#define SBI_ERR_INVALID_PARAM -3 +#define SBI_ERR_DENIED -4 +#define SBI_ERR_INVALID_ADDRESS -5 +#define SBI_ERR_ALREADY_AVAILABLE -6 +#define SBI_ERR_ALREADY_STARTED -7 +#define SBI_ERR_ALREADY_STOPPED -8 + #endif --=20 2.34.1