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envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: none client-ip=148.163.156.1; envelope-from=dantan@linux.vnet.ibm.com; helo=mx0a-001b2d01.pphosted.com X-Spam_score_int: -26 X-Spam_score: -2.7 X-Spam_bar: -- X-Spam_report: (-2.7 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H2=-0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_NONE=0.001 autolearn=ham autolearn_force=no X-Spam_action: no action 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 @ibm.com) X-ZM-MESSAGEID: 1736283153450116600 Content-Type: text/plain; charset="utf-8" From: dan tan Register RWMR - Region Weighted Mode Register for privileged access in Power9 and Power10 It controls what the SPURR register produces. Specs: - Power9: https://ibm.ent.box.com/s/tmklq90ze7aj8f4n32er1mu3sy9u8k3k - Power10: https://files.openpower.foundation/s/EgCy7C43p2NSRfR Signed-off-by: dan tan --- Ver 3 summary: - change the register to generic read/write from nop/write Ver 2 summary: - corrected the previous definition as ITV1 - spec reference: https://ibm.ent.box.com/s/tmklq90ze7aj8f4n32er1mu3sy9u8k3k (Power9) - it appears that part of the previous upstream submission SPRs (SPR_POWER_MMCR3, SPR_POWER_SIER2, SPR_POWER_SIER3) are already in the current master. Therefore, removed those from this request. --- target/ppc/cpu.h | 1 + target/ppc/cpu_init.c | 5 +++++ 2 files changed, 6 insertions(+) diff --git a/target/ppc/cpu.h b/target/ppc/cpu.h index 6d074e67dc..fefc741672 100644 --- a/target/ppc/cpu.h +++ b/target/ppc/cpu.h @@ -2099,6 +2099,7 @@ void ppc_compat_add_property(Object *obj, const char = *name, #define SPR_440_INV3 (0x373) #define SPR_440_ITV0 (0x374) #define SPR_440_ITV1 (0x375) +#define SPR_RWMR (0x375) #define SPR_440_ITV2 (0x376) #define SPR_440_ITV3 (0x377) #define SPR_440_CCR1 (0x378) diff --git a/target/ppc/cpu_init.c b/target/ppc/cpu_init.c index 7844e16ea5..fd7e001ade 100644 --- a/target/ppc/cpu_init.c +++ b/target/ppc/cpu_init.c @@ -5773,6 +5773,11 @@ static void register_power9_book4_sprs(CPUPPCState *= env) SPR_NOACCESS, SPR_NOACCESS, &spr_read_generic, &spr_write_generic, KVM_REG_PPC_WORT, 0); + spr_register_hv(env, SPR_RWMR, "RWMR", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_generic, &spr_write_generic, + &spr_read_generic, &spr_write_generic, + 0x00000000); #endif } =20 --=20 2.39.5