diff mbox series

[v3,28/33] target/ppc/mmu_common.c: Move BookE MMU functions together

Message ID 814d4b4526282af7854f52cf6a268245c33c674a.1715125376.git.balaton@eik.bme.hu (mailing list archive)
State New, archived
Headers show
Series Misc PPC exception and BookE MMU clean ups | expand

Commit Message

BALATON Zoltan May 8, 2024, 12:15 a.m. UTC 
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
---
 target/ppc/mmu_common.c | 226 ++++++++++++++++++++--------------------
 1 file changed, 113 insertions(+), 113 deletions(-)

Comments

Nicholas Piggin May 8, 2024, 1:21 p.m. UTC | #1 
On Wed May 8, 2024 at 10:15 AM AEST, BALATON Zoltan wrote:
> Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>

Okay for now but we should split into a new file soon.

Acked-by: Nicholas Piggin <npiggin@gmail.com>

> ---
>  target/ppc/mmu_common.c | 226 ++++++++++++++++++++--------------------
>  1 file changed, 113 insertions(+), 113 deletions(-)
>
> diff --git a/target/ppc/mmu_common.c b/target/ppc/mmu_common.c
> index 04e5ad661d..a6e7b64049 100644
> --- a/target/ppc/mmu_common.c
> +++ b/target/ppc/mmu_common.c
> @@ -854,6 +854,119 @@ found_tlb:
>      return ret;
>  }
>  
> +static void booke206_update_mas_tlb_miss(CPUPPCState *env, target_ulong address,
> +                                         MMUAccessType access_type, int mmu_idx)
> +{
> +    uint32_t epid;
> +    bool as, pr;
> +    uint32_t missed_tid = 0;
> +    bool use_epid = mmubooke206_get_as(env, mmu_idx, &epid, &as, &pr);
> +
> +    if (access_type == MMU_INST_FETCH) {
> +        as = FIELD_EX64(env->msr, MSR, IR);
> +    }
> +    env->spr[SPR_BOOKE_MAS0] = env->spr[SPR_BOOKE_MAS4] & MAS4_TLBSELD_MASK;
> +    env->spr[SPR_BOOKE_MAS1] = env->spr[SPR_BOOKE_MAS4] & MAS4_TSIZED_MASK;
> +    env->spr[SPR_BOOKE_MAS2] = env->spr[SPR_BOOKE_MAS4] & MAS4_WIMGED_MASK;
> +    env->spr[SPR_BOOKE_MAS3] = 0;
> +    env->spr[SPR_BOOKE_MAS6] = 0;
> +    env->spr[SPR_BOOKE_MAS7] = 0;
> +
> +    /* AS */
> +    if (as) {
> +        env->spr[SPR_BOOKE_MAS1] |= MAS1_TS;
> +        env->spr[SPR_BOOKE_MAS6] |= MAS6_SAS;
> +    }
> +
> +    env->spr[SPR_BOOKE_MAS1] |= MAS1_VALID;
> +    env->spr[SPR_BOOKE_MAS2] |= address & MAS2_EPN_MASK;
> +
> +    if (!use_epid) {
> +        switch (env->spr[SPR_BOOKE_MAS4] & MAS4_TIDSELD_PIDZ) {
> +        case MAS4_TIDSELD_PID0:
> +            missed_tid = env->spr[SPR_BOOKE_PID];
> +            break;
> +        case MAS4_TIDSELD_PID1:
> +            missed_tid = env->spr[SPR_BOOKE_PID1];
> +            break;
> +        case MAS4_TIDSELD_PID2:
> +            missed_tid = env->spr[SPR_BOOKE_PID2];
> +            break;
> +        }
> +        env->spr[SPR_BOOKE_MAS6] |= env->spr[SPR_BOOKE_PID] << 16;
> +    } else {
> +        missed_tid = epid;
> +        env->spr[SPR_BOOKE_MAS6] |= missed_tid << 16;
> +    }
> +    env->spr[SPR_BOOKE_MAS1] |= (missed_tid << MAS1_TID_SHIFT);
> +
> +
> +    /* next victim logic */
> +    env->spr[SPR_BOOKE_MAS0] |= env->last_way << MAS0_ESEL_SHIFT;
> +    env->last_way++;
> +    env->last_way &= booke206_tlb_ways(env, 0) - 1;
> +    env->spr[SPR_BOOKE_MAS0] |= env->last_way << MAS0_NV_SHIFT;
> +}
> +
> +static bool ppc_booke_xlate(PowerPCCPU *cpu, vaddr eaddr,
> +                            MMUAccessType access_type,
> +                            hwaddr *raddrp, int *psizep, int *protp,
> +                            int mmu_idx, bool guest_visible)
> +{
> +    CPUState *cs = CPU(cpu);
> +    CPUPPCState *env = &cpu->env;
> +    mmu_ctx_t ctx;
> +    int ret;
> +
> +    if (env->mmu_model == POWERPC_MMU_BOOKE206) {
> +        ret = mmubooke206_get_physical_address(env, &ctx, eaddr, access_type,
> +                                               mmu_idx);
> +    } else {
> +        ret = mmubooke_get_physical_address(env, &ctx, eaddr, access_type);
> +    }
> +    if (ret == 0) {
> +        *raddrp = ctx.raddr;
> +        *protp = ctx.prot;
> +        *psizep = TARGET_PAGE_BITS;
> +        return true;
> +    } else if (!guest_visible) {
> +        return false;
> +    }
> +
> +    log_cpu_state_mask(CPU_LOG_MMU, cs, 0);
> +    env->error_code = 0;
> +    switch (ret) {
> +    case -1:
> +        /* No matches in page tables or TLB */
> +        if (env->mmu_model == POWERPC_MMU_BOOKE206) {
> +            booke206_update_mas_tlb_miss(env, eaddr, access_type, mmu_idx);
> +        }
> +        cs->exception_index = (access_type == MMU_INST_FETCH) ?
> +                              POWERPC_EXCP_ITLB : POWERPC_EXCP_DTLB;
> +        env->spr[SPR_BOOKE_DEAR] = eaddr;
> +        env->spr[SPR_BOOKE_ESR] = mmubooke206_esr(mmu_idx, access_type);
> +        break;
> +    case -2:
> +        /* Access rights violation */
> +        cs->exception_index = (access_type == MMU_INST_FETCH) ?
> +                              POWERPC_EXCP_ISI : POWERPC_EXCP_DSI;
> +        if (access_type != MMU_INST_FETCH) {
> +            env->spr[SPR_BOOKE_DEAR] = eaddr;
> +            env->spr[SPR_BOOKE_ESR] = mmubooke206_esr(mmu_idx, access_type);
> +        }
> +        break;
> +    case -3:
> +        /* No execute protection violation */
> +        if (access_type == MMU_INST_FETCH) {
> +            cs->exception_index = POWERPC_EXCP_ISI;
> +            env->spr[SPR_BOOKE_ESR] = 0;
> +        }
> +        break;
> +    }
> +
> +    return false;
> +}
> +
>  static const char *book3e_tsize_to_str[32] = {
>      "1K", "2K", "4K", "8K", "16K", "32K", "64K", "128K", "256K", "512K",
>      "1M", "2M", "4M", "8M", "16M", "32M", "64M", "128M", "256M", "512M",
> @@ -1125,119 +1238,6 @@ static int get_physical_address_wtlb(CPUPPCState *env, mmu_ctx_t *ctx,
>      }
>  }
>  
> -static void booke206_update_mas_tlb_miss(CPUPPCState *env, target_ulong address,
> -                                         MMUAccessType access_type, int mmu_idx)
> -{
> -    uint32_t epid;
> -    bool as, pr;
> -    uint32_t missed_tid = 0;
> -    bool use_epid = mmubooke206_get_as(env, mmu_idx, &epid, &as, &pr);
> -
> -    if (access_type == MMU_INST_FETCH) {
> -        as = FIELD_EX64(env->msr, MSR, IR);
> -    }
> -    env->spr[SPR_BOOKE_MAS0] = env->spr[SPR_BOOKE_MAS4] & MAS4_TLBSELD_MASK;
> -    env->spr[SPR_BOOKE_MAS1] = env->spr[SPR_BOOKE_MAS4] & MAS4_TSIZED_MASK;
> -    env->spr[SPR_BOOKE_MAS2] = env->spr[SPR_BOOKE_MAS4] & MAS4_WIMGED_MASK;
> -    env->spr[SPR_BOOKE_MAS3] = 0;
> -    env->spr[SPR_BOOKE_MAS6] = 0;
> -    env->spr[SPR_BOOKE_MAS7] = 0;
> -
> -    /* AS */
> -    if (as) {
> -        env->spr[SPR_BOOKE_MAS1] |= MAS1_TS;
> -        env->spr[SPR_BOOKE_MAS6] |= MAS6_SAS;
> -    }
> -
> -    env->spr[SPR_BOOKE_MAS1] |= MAS1_VALID;
> -    env->spr[SPR_BOOKE_MAS2] |= address & MAS2_EPN_MASK;
> -
> -    if (!use_epid) {
> -        switch (env->spr[SPR_BOOKE_MAS4] & MAS4_TIDSELD_PIDZ) {
> -        case MAS4_TIDSELD_PID0:
> -            missed_tid = env->spr[SPR_BOOKE_PID];
> -            break;
> -        case MAS4_TIDSELD_PID1:
> -            missed_tid = env->spr[SPR_BOOKE_PID1];
> -            break;
> -        case MAS4_TIDSELD_PID2:
> -            missed_tid = env->spr[SPR_BOOKE_PID2];
> -            break;
> -        }
> -        env->spr[SPR_BOOKE_MAS6] |= env->spr[SPR_BOOKE_PID] << 16;
> -    } else {
> -        missed_tid = epid;
> -        env->spr[SPR_BOOKE_MAS6] |= missed_tid << 16;
> -    }
> -    env->spr[SPR_BOOKE_MAS1] |= (missed_tid << MAS1_TID_SHIFT);
> -
> -
> -    /* next victim logic */
> -    env->spr[SPR_BOOKE_MAS0] |= env->last_way << MAS0_ESEL_SHIFT;
> -    env->last_way++;
> -    env->last_way &= booke206_tlb_ways(env, 0) - 1;
> -    env->spr[SPR_BOOKE_MAS0] |= env->last_way << MAS0_NV_SHIFT;
> -}
> -
> -static bool ppc_booke_xlate(PowerPCCPU *cpu, vaddr eaddr,
> -                            MMUAccessType access_type,
> -                            hwaddr *raddrp, int *psizep, int *protp,
> -                            int mmu_idx, bool guest_visible)
> -{
> -    CPUState *cs = CPU(cpu);
> -    CPUPPCState *env = &cpu->env;
> -    mmu_ctx_t ctx;
> -    int ret;
> -
> -    if (env->mmu_model == POWERPC_MMU_BOOKE206) {
> -        ret = mmubooke206_get_physical_address(env, &ctx, eaddr, access_type,
> -                                               mmu_idx);
> -    } else {
> -        ret = mmubooke_get_physical_address(env, &ctx, eaddr, access_type);
> -    }
> -    if (ret == 0) {
> -        *raddrp = ctx.raddr;
> -        *protp = ctx.prot;
> -        *psizep = TARGET_PAGE_BITS;
> -        return true;
> -    } else if (!guest_visible) {
> -        return false;
> -    }
> -
> -    log_cpu_state_mask(CPU_LOG_MMU, cs, 0);
> -    env->error_code = 0;
> -    switch (ret) {
> -    case -1:
> -        /* No matches in page tables or TLB */
> -        if (env->mmu_model == POWERPC_MMU_BOOKE206) {
> -            booke206_update_mas_tlb_miss(env, eaddr, access_type, mmu_idx);
> -        }
> -        cs->exception_index = (access_type == MMU_INST_FETCH) ?
> -                              POWERPC_EXCP_ITLB : POWERPC_EXCP_DTLB;
> -        env->spr[SPR_BOOKE_DEAR] = eaddr;
> -        env->spr[SPR_BOOKE_ESR] = mmubooke206_esr(mmu_idx, access_type);
> -        break;
> -    case -2:
> -        /* Access rights violation */
> -        cs->exception_index = (access_type == MMU_INST_FETCH) ?
> -                              POWERPC_EXCP_ISI : POWERPC_EXCP_DSI;
> -        if (access_type != MMU_INST_FETCH) {
> -            env->spr[SPR_BOOKE_DEAR] = eaddr;
> -            env->spr[SPR_BOOKE_ESR] = mmubooke206_esr(mmu_idx, access_type);
> -        }
> -        break;
> -    case -3:
> -        /* No execute protection violation */
> -        if (access_type == MMU_INST_FETCH) {
> -            cs->exception_index = POWERPC_EXCP_ISI;
> -            env->spr[SPR_BOOKE_ESR] = 0;
> -        }
> -        break;
> -    }
> -
> -    return false;
> -}
> -
>  /* Perform address translation */
>  /* TODO: Split this by mmu_model. */
>  static bool ppc_jumbo_xlate(PowerPCCPU *cpu, vaddr eaddr,
diff mbox series

Patch

diff --git a/target/ppc/mmu_common.c b/target/ppc/mmu_common.c
index 04e5ad661d..a6e7b64049 100644
--- a/target/ppc/mmu_common.c
+++ b/target/ppc/mmu_common.c
@@ -854,6 +854,119 @@  found_tlb:
     return ret;
 }
 
+static void booke206_update_mas_tlb_miss(CPUPPCState *env, target_ulong address,
+                                         MMUAccessType access_type, int mmu_idx)
+{
+    uint32_t epid;
+    bool as, pr;
+    uint32_t missed_tid = 0;
+    bool use_epid = mmubooke206_get_as(env, mmu_idx, &epid, &as, &pr);
+
+    if (access_type == MMU_INST_FETCH) {
+        as = FIELD_EX64(env->msr, MSR, IR);
+    }
+    env->spr[SPR_BOOKE_MAS0] = env->spr[SPR_BOOKE_MAS4] & MAS4_TLBSELD_MASK;
+    env->spr[SPR_BOOKE_MAS1] = env->spr[SPR_BOOKE_MAS4] & MAS4_TSIZED_MASK;
+    env->spr[SPR_BOOKE_MAS2] = env->spr[SPR_BOOKE_MAS4] & MAS4_WIMGED_MASK;
+    env->spr[SPR_BOOKE_MAS3] = 0;
+    env->spr[SPR_BOOKE_MAS6] = 0;
+    env->spr[SPR_BOOKE_MAS7] = 0;
+
+    /* AS */
+    if (as) {
+        env->spr[SPR_BOOKE_MAS1] |= MAS1_TS;
+        env->spr[SPR_BOOKE_MAS6] |= MAS6_SAS;
+    }
+
+    env->spr[SPR_BOOKE_MAS1] |= MAS1_VALID;
+    env->spr[SPR_BOOKE_MAS2] |= address & MAS2_EPN_MASK;
+
+    if (!use_epid) {
+        switch (env->spr[SPR_BOOKE_MAS4] & MAS4_TIDSELD_PIDZ) {
+        case MAS4_TIDSELD_PID0:
+            missed_tid = env->spr[SPR_BOOKE_PID];
+            break;
+        case MAS4_TIDSELD_PID1:
+            missed_tid = env->spr[SPR_BOOKE_PID1];
+            break;
+        case MAS4_TIDSELD_PID2:
+            missed_tid = env->spr[SPR_BOOKE_PID2];
+            break;
+        }
+        env->spr[SPR_BOOKE_MAS6] |= env->spr[SPR_BOOKE_PID] << 16;
+    } else {
+        missed_tid = epid;
+        env->spr[SPR_BOOKE_MAS6] |= missed_tid << 16;
+    }
+    env->spr[SPR_BOOKE_MAS1] |= (missed_tid << MAS1_TID_SHIFT);
+
+
+    /* next victim logic */
+    env->spr[SPR_BOOKE_MAS0] |= env->last_way << MAS0_ESEL_SHIFT;
+    env->last_way++;
+    env->last_way &= booke206_tlb_ways(env, 0) - 1;
+    env->spr[SPR_BOOKE_MAS0] |= env->last_way << MAS0_NV_SHIFT;
+}
+
+static bool ppc_booke_xlate(PowerPCCPU *cpu, vaddr eaddr,
+                            MMUAccessType access_type,
+                            hwaddr *raddrp, int *psizep, int *protp,
+                            int mmu_idx, bool guest_visible)
+{
+    CPUState *cs = CPU(cpu);
+    CPUPPCState *env = &cpu->env;
+    mmu_ctx_t ctx;
+    int ret;
+
+    if (env->mmu_model == POWERPC_MMU_BOOKE206) {
+        ret = mmubooke206_get_physical_address(env, &ctx, eaddr, access_type,
+                                               mmu_idx);
+    } else {
+        ret = mmubooke_get_physical_address(env, &ctx, eaddr, access_type);
+    }
+    if (ret == 0) {
+        *raddrp = ctx.raddr;
+        *protp = ctx.prot;
+        *psizep = TARGET_PAGE_BITS;
+        return true;
+    } else if (!guest_visible) {
+        return false;
+    }
+
+    log_cpu_state_mask(CPU_LOG_MMU, cs, 0);
+    env->error_code = 0;
+    switch (ret) {
+    case -1:
+        /* No matches in page tables or TLB */
+        if (env->mmu_model == POWERPC_MMU_BOOKE206) {
+            booke206_update_mas_tlb_miss(env, eaddr, access_type, mmu_idx);
+        }
+        cs->exception_index = (access_type == MMU_INST_FETCH) ?
+                              POWERPC_EXCP_ITLB : POWERPC_EXCP_DTLB;
+        env->spr[SPR_BOOKE_DEAR] = eaddr;
+        env->spr[SPR_BOOKE_ESR] = mmubooke206_esr(mmu_idx, access_type);
+        break;
+    case -2:
+        /* Access rights violation */
+        cs->exception_index = (access_type == MMU_INST_FETCH) ?
+                              POWERPC_EXCP_ISI : POWERPC_EXCP_DSI;
+        if (access_type != MMU_INST_FETCH) {
+            env->spr[SPR_BOOKE_DEAR] = eaddr;
+            env->spr[SPR_BOOKE_ESR] = mmubooke206_esr(mmu_idx, access_type);
+        }
+        break;
+    case -3:
+        /* No execute protection violation */
+        if (access_type == MMU_INST_FETCH) {
+            cs->exception_index = POWERPC_EXCP_ISI;
+            env->spr[SPR_BOOKE_ESR] = 0;
+        }
+        break;
+    }
+
+    return false;
+}
+
 static const char *book3e_tsize_to_str[32] = {
     "1K", "2K", "4K", "8K", "16K", "32K", "64K", "128K", "256K", "512K",
     "1M", "2M", "4M", "8M", "16M", "32M", "64M", "128M", "256M", "512M",
@@ -1125,119 +1238,6 @@  static int get_physical_address_wtlb(CPUPPCState *env, mmu_ctx_t *ctx,
     }
 }
 
-static void booke206_update_mas_tlb_miss(CPUPPCState *env, target_ulong address,
-                                         MMUAccessType access_type, int mmu_idx)
-{
-    uint32_t epid;
-    bool as, pr;
-    uint32_t missed_tid = 0;
-    bool use_epid = mmubooke206_get_as(env, mmu_idx, &epid, &as, &pr);
-
-    if (access_type == MMU_INST_FETCH) {
-        as = FIELD_EX64(env->msr, MSR, IR);
-    }
-    env->spr[SPR_BOOKE_MAS0] = env->spr[SPR_BOOKE_MAS4] & MAS4_TLBSELD_MASK;
-    env->spr[SPR_BOOKE_MAS1] = env->spr[SPR_BOOKE_MAS4] & MAS4_TSIZED_MASK;
-    env->spr[SPR_BOOKE_MAS2] = env->spr[SPR_BOOKE_MAS4] & MAS4_WIMGED_MASK;
-    env->spr[SPR_BOOKE_MAS3] = 0;
-    env->spr[SPR_BOOKE_MAS6] = 0;
-    env->spr[SPR_BOOKE_MAS7] = 0;
-
-    /* AS */
-    if (as) {
-        env->spr[SPR_BOOKE_MAS1] |= MAS1_TS;
-        env->spr[SPR_BOOKE_MAS6] |= MAS6_SAS;
-    }
-
-    env->spr[SPR_BOOKE_MAS1] |= MAS1_VALID;
-    env->spr[SPR_BOOKE_MAS2] |= address & MAS2_EPN_MASK;
-
-    if (!use_epid) {
-        switch (env->spr[SPR_BOOKE_MAS4] & MAS4_TIDSELD_PIDZ) {
-        case MAS4_TIDSELD_PID0:
-            missed_tid = env->spr[SPR_BOOKE_PID];
-            break;
-        case MAS4_TIDSELD_PID1:
-            missed_tid = env->spr[SPR_BOOKE_PID1];
-            break;
-        case MAS4_TIDSELD_PID2:
-            missed_tid = env->spr[SPR_BOOKE_PID2];
-            break;
-        }
-        env->spr[SPR_BOOKE_MAS6] |= env->spr[SPR_BOOKE_PID] << 16;
-    } else {
-        missed_tid = epid;
-        env->spr[SPR_BOOKE_MAS6] |= missed_tid << 16;
-    }
-    env->spr[SPR_BOOKE_MAS1] |= (missed_tid << MAS1_TID_SHIFT);
-
-
-    /* next victim logic */
-    env->spr[SPR_BOOKE_MAS0] |= env->last_way << MAS0_ESEL_SHIFT;
-    env->last_way++;
-    env->last_way &= booke206_tlb_ways(env, 0) - 1;
-    env->spr[SPR_BOOKE_MAS0] |= env->last_way << MAS0_NV_SHIFT;
-}
-
-static bool ppc_booke_xlate(PowerPCCPU *cpu, vaddr eaddr,
-                            MMUAccessType access_type,
-                            hwaddr *raddrp, int *psizep, int *protp,
-                            int mmu_idx, bool guest_visible)
-{
-    CPUState *cs = CPU(cpu);
-    CPUPPCState *env = &cpu->env;
-    mmu_ctx_t ctx;
-    int ret;
-
-    if (env->mmu_model == POWERPC_MMU_BOOKE206) {
-        ret = mmubooke206_get_physical_address(env, &ctx, eaddr, access_type,
-                                               mmu_idx);
-    } else {
-        ret = mmubooke_get_physical_address(env, &ctx, eaddr, access_type);
-    }
-    if (ret == 0) {
-        *raddrp = ctx.raddr;
-        *protp = ctx.prot;
-        *psizep = TARGET_PAGE_BITS;
-        return true;
-    } else if (!guest_visible) {
-        return false;
-    }
-
-    log_cpu_state_mask(CPU_LOG_MMU, cs, 0);
-    env->error_code = 0;
-    switch (ret) {
-    case -1:
-        /* No matches in page tables or TLB */
-        if (env->mmu_model == POWERPC_MMU_BOOKE206) {
-            booke206_update_mas_tlb_miss(env, eaddr, access_type, mmu_idx);
-        }
-        cs->exception_index = (access_type == MMU_INST_FETCH) ?
-                              POWERPC_EXCP_ITLB : POWERPC_EXCP_DTLB;
-        env->spr[SPR_BOOKE_DEAR] = eaddr;
-        env->spr[SPR_BOOKE_ESR] = mmubooke206_esr(mmu_idx, access_type);
-        break;
-    case -2:
-        /* Access rights violation */
-        cs->exception_index = (access_type == MMU_INST_FETCH) ?
-                              POWERPC_EXCP_ISI : POWERPC_EXCP_DSI;
-        if (access_type != MMU_INST_FETCH) {
-            env->spr[SPR_BOOKE_DEAR] = eaddr;
-            env->spr[SPR_BOOKE_ESR] = mmubooke206_esr(mmu_idx, access_type);
-        }
-        break;
-    case -3:
-        /* No execute protection violation */
-        if (access_type == MMU_INST_FETCH) {
-            cs->exception_index = POWERPC_EXCP_ISI;
-            env->spr[SPR_BOOKE_ESR] = 0;
-        }
-        break;
-    }
-
-    return false;
-}
-
 /* Perform address translation */
 /* TODO: Split this by mmu_model. */
 static bool ppc_jumbo_xlate(PowerPCCPU *cpu, vaddr eaddr,