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[PATCH v2 47/54] target/sh4: Convert to TCGCPUOps.tlb_fill_align


From: Richard Henderson
Subject: [PATCH v2 47/54] target/sh4: Convert to TCGCPUOps.tlb_fill_align
Date: Thu, 14 Nov 2024 08:01:23 -0800

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 target/sh4/cpu.h    |  8 +++++---
 target/sh4/cpu.c    |  2 +-
 target/sh4/helper.c | 24 +++++++++++++++++-------
 3 files changed, 23 insertions(+), 11 deletions(-)

diff --git a/target/sh4/cpu.h b/target/sh4/cpu.h
index d928bcf006..161efdefcf 100644
--- a/target/sh4/cpu.h
+++ b/target/sh4/cpu.h
@@ -22,6 +22,7 @@
 
 #include "cpu-qom.h"
 #include "exec/cpu-defs.h"
+#include "exec/memop.h"
 #include "qemu/cpu-float.h"
 
 /* CPU Subtypes */
@@ -251,9 +252,10 @@ void sh4_translate_init(void);
 
 #if !defined(CONFIG_USER_ONLY)
 hwaddr superh_cpu_get_phys_page_debug(CPUState *cpu, vaddr addr);
-bool superh_cpu_tlb_fill(CPUState *cs, vaddr address, int size,
-                         MMUAccessType access_type, int mmu_idx,
-                         bool probe, uintptr_t retaddr);
+bool superh_cpu_tlb_fill_align(CPUState *cs, CPUTLBEntryFull *out,
+                               vaddr addr, MMUAccessType access_type,
+                               int mmu_idx, MemOp memop, int size,
+                               bool probe, uintptr_t retaddr);
 void superh_cpu_do_interrupt(CPUState *cpu);
 bool superh_cpu_exec_interrupt(CPUState *cpu, int int_req);
 void cpu_sh4_invalidate_tlb(CPUSH4State *s);
diff --git a/target/sh4/cpu.c b/target/sh4/cpu.c
index 8f07261dcf..8ca8b90e3c 100644
--- a/target/sh4/cpu.c
+++ b/target/sh4/cpu.c
@@ -252,7 +252,7 @@ static const TCGCPUOps superh_tcg_ops = {
     .restore_state_to_opc = superh_restore_state_to_opc,
 
 #ifndef CONFIG_USER_ONLY
-    .tlb_fill = superh_cpu_tlb_fill,
+    .tlb_fill_align = superh_cpu_tlb_fill_align,
     .cpu_exec_interrupt = superh_cpu_exec_interrupt,
     .cpu_exec_halt = superh_cpu_has_work,
     .do_interrupt = superh_cpu_do_interrupt,
diff --git a/target/sh4/helper.c b/target/sh4/helper.c
index 9659c69550..543ac1b843 100644
--- a/target/sh4/helper.c
+++ b/target/sh4/helper.c
@@ -792,22 +792,32 @@ bool superh_cpu_exec_interrupt(CPUState *cs, int 
interrupt_request)
     return false;
 }
 
-bool superh_cpu_tlb_fill(CPUState *cs, vaddr address, int size,
-                         MMUAccessType access_type, int mmu_idx,
-                         bool probe, uintptr_t retaddr)
+bool superh_cpu_tlb_fill_align(CPUState *cs, CPUTLBEntryFull *out,
+                               vaddr address, MMUAccessType access_type,
+                               int mmu_idx, MemOp memop, int size,
+                               bool probe, uintptr_t retaddr)
 {
     CPUSH4State *env = cpu_env(cs);
     int ret;
-
     target_ulong physical;
     int prot;
 
+    if (address & ((1 << memop_alignment_bits(memop)) - 1)) {
+        if (probe) {
+            return false;
+        }
+        superh_cpu_do_unaligned_access(cs, address, access_type,
+                                       mmu_idx, retaddr);
+    }
+
     ret = get_physical_address(env, &physical, &prot, address, access_type);
 
     if (ret == MMU_OK) {
-        address &= TARGET_PAGE_MASK;
-        physical &= TARGET_PAGE_MASK;
-        tlb_set_page(cs, address, physical, prot, mmu_idx, TARGET_PAGE_SIZE);
+        memset(out, 0, sizeof(*out));
+        out->phys_addr = physical;
+        out->prot = prot;
+        out->lg_page_size = TARGET_PAGE_BITS;
+        out->attrs = MEMTXATTRS_UNSPECIFIED;
         return true;
     }
     if (probe) {
-- 
2.43.0




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