Message ID | 20240219082938.238302-48-npiggin@gmail.com |
---|---|
State | New |
Headers | show
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Mon, 19 Feb 2024 00:33:26 -0800 (PST) Received: from wheely.local0.net ([1.146.38.93]) by smtp.gmail.com with ESMTPSA id mo7-20020a1709030a8700b001db5ecd115bsm3838348plb.276.2024.02.19.00.33.22 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 19 Feb 2024 00:33:25 -0800 (PST) From: Nicholas Piggin <npiggin@gmail.com> To: qemu-devel@nongnu.org Cc: Nicholas Piggin <npiggin@gmail.com>, qemu-ppc@nongnu.org, Daniel Henrique Barboza <danielhb413@gmail.com>, =?utf-8?q?C=C3=A9dric_Le_G?= =?utf-8?q?oater?= <clg@kaod.org>, Harsh Prateek Bora <harshpb@linux.ibm.com>, BALATON Zoltan <balaton@eik.bme.hu> Subject: [PULL 47/49] target/ppc: 4xx optimise tlbwe_lo TLB flushing Date: Mon, 19 Feb 2024 18:29:36 +1000 Message-ID: <20240219082938.238302-48-npiggin@gmail.com> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20240219082938.238302-1-npiggin@gmail.com> References: <20240219082938.238302-1-npiggin@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2607:f8b0:4864:20::62f; 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Series |
[PULL,01/49] target/ppc: Fix lxv/stxv MSR facility check
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diff --git a/target/ppc/mmu_helper.c b/target/ppc/mmu_helper.c index 68632bf54e..923779d052 100644 --- a/target/ppc/mmu_helper.c +++ b/target/ppc/mmu_helper.c @@ -813,12 +813,20 @@ void helper_4xx_tlbwe_hi(CPUPPCState *env, target_ulong entry, void helper_4xx_tlbwe_lo(CPUPPCState *env, target_ulong entry, target_ulong val) { + CPUState *cs = env_cpu(env); ppcemb_tlb_t *tlb; qemu_log_mask(CPU_LOG_MMU, "%s entry %i val " TARGET_FMT_lx "\n", __func__, (int)entry, val); entry &= PPC4XX_TLB_ENTRY_MASK; tlb = &env->tlb.tlbe[entry]; + /* Invalidate previous TLB (if it's valid) */ + if (tlb->prot & PAGE_VALID) { + qemu_log_mask(CPU_LOG_MMU, "%s: invalidate old TLB %d start " + TARGET_FMT_lx " end " TARGET_FMT_lx "\n", __func__, + (int)entry, tlb->EPN, tlb->EPN + tlb->size); + ppcemb_tlb_flush(cs, tlb); + } tlb->attr = val & PPC4XX_TLBLO_ATTR_MASK; tlb->RPN = val & PPC4XX_TLBLO_RPN_MASK; tlb->prot = PAGE_READ; @@ -836,8 +844,6 @@ void helper_4xx_tlbwe_lo(CPUPPCState *env, target_ulong entry, tlb->prot & PAGE_WRITE ? 'w' : '-', tlb->prot & PAGE_EXEC ? 'x' : '-', tlb->prot & PAGE_VALID ? 'v' : '-', (int)tlb->PID); - - env->tlb_need_flush |= TLB_NEED_LOCAL_FLUSH; } target_ulong helper_4xx_tlbsx(CPUPPCState *env, target_ulong address)