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envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: softfail client-ip=148.163.156.1; envelope-from=clg@kaod.org; helo=mx0a-001b2d01.pphosted.com X-Spam_score_int: -11 X-Spam_score: -1.2 X-Spam_bar: - X-Spam_report: (-1.2 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_MSPIKE_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_SOFTFAIL=0.665 autolearn=no 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: , Cc: Thomas Huth , Fabiano Rosas , Greg Kurz , Christophe Leroy , =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= , David Gibson Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZM-MESSAGEID: 1642094024168100001 Content-Type: text/plain; charset="utf-8" Commit cd0c6f473532 did not take into account 405 CPUs when adding support to batching of TCG tlb flushes. Set the TLB_NEED_LOCAL_FLUSH flag when the SPR_40x_PID is updated. Cc: Thomas Huth Cc: Christophe Leroy Cc: Fabiano Rosas Fixes: cd0c6f473532 ("ppc: Do some batching of TCG tlb flushes") Signed-off-by: C=C3=A9dric Le Goater --- Changes in v2: - Rely on the SPR_40x_PID store helper to program the flush operation =20 target/ppc/helper.h | 1 + target/ppc/mmu_helper.c | 8 ++++++++ target/ppc/translate.c | 2 +- 3 files changed, 10 insertions(+), 1 deletion(-) diff --git a/target/ppc/helper.h b/target/ppc/helper.h index f9c72dcd504d..08165184005c 100644 --- a/target/ppc/helper.h +++ b/target/ppc/helper.h @@ -708,6 +708,7 @@ DEF_HELPER_FLAGS_1(load_40x_pit, TCG_CALL_NO_RWG, tl, e= nv) DEF_HELPER_FLAGS_2(store_40x_pit, TCG_CALL_NO_RWG, void, env, tl) DEF_HELPER_FLAGS_2(store_40x_tcr, TCG_CALL_NO_RWG, void, env, tl) DEF_HELPER_FLAGS_2(store_40x_tsr, TCG_CALL_NO_RWG, void, env, tl) +DEF_HELPER_2(store_40x_pid, void, env, tl) DEF_HELPER_2(store_40x_dbcr0, void, env, tl) DEF_HELPER_2(store_40x_sler, void, env, tl) DEF_HELPER_FLAGS_2(store_booke_tcr, TCG_CALL_NO_RWG, void, env, tl) diff --git a/target/ppc/mmu_helper.c b/target/ppc/mmu_helper.c index 59df6952aea1..743215f51c36 100644 --- a/target/ppc/mmu_helper.c +++ b/target/ppc/mmu_helper.c @@ -664,6 +664,14 @@ static inline int booke_page_size_to_tlb(target_ulong = page_size) #define PPC4XX_TLBLO_ATTR_MASK 0x000000FF #define PPC4XX_TLBLO_RPN_MASK 0xFFFFFC00 =20 +void helper_store_40x_pid(CPUPPCState *env, target_ulong val) +{ + if (env->spr[SPR_40x_PID] !=3D val) { + env->spr[SPR_40x_PID] =3D val; + env->tlb_need_flush |=3D TLB_NEED_LOCAL_FLUSH; + } +} + target_ulong helper_4xx_tlbre_hi(CPUPPCState *env, target_ulong entry) { ppcemb_tlb_t *tlb; diff --git a/target/ppc/translate.c b/target/ppc/translate.c index 40232201bb0c..3ad1be60e71d 100644 --- a/target/ppc/translate.c +++ b/target/ppc/translate.c @@ -894,7 +894,7 @@ void spr_write_40x_pid(DisasContext *ctx, int sprn, int= gprn) { TCGv t0 =3D tcg_temp_new(); tcg_gen_andi_tl(t0, cpu_gpr[gprn], 0xFF); - gen_store_spr(SPR_40x_PID, t0); + gen_helper_store_40x_pid(cpu_env, t0); tcg_temp_free(t0); } =20 --=20 2.31.1