[PATCH-for-10.1,04/43] accel/tcg: Introduce TCGCPUOps::mmu_index() callback

Commit Message

Philippe Mathieu-Daudé April 2, 2025, 9:02 p.m. UTC

We'll move CPUClass::mmu_index() to TCGCPUOps::mmu_index().

Signed-off-by: Philippe Mathieu-Daudé <[e-mail]>
Reviewed-by: Richard Henderson <[e-mail]>
---
 include/accel/tcg/cpu-ops.h  | 3 +++
 include/exec/cpu-mmu-index.h | 5 ++++-
 2 files changed, 7 insertions(+), 1 deletion(-)

Patch

diff --git a/include/accel/tcg/cpu-ops.h b/include/accel/tcg/cpu-ops.h
index f60e5303f21..106a0688da8 100644
--- a/include/accel/tcg/cpu-ops.h
+++ b/include/accel/tcg/cpu-ops.h
@@ -67,6 +67,9 @@  struct TCGCPUOps {
     /** @debug_excp_handler: Callback for handling debug exceptions */
     void (*debug_excp_handler)(CPUState *cpu);
 
+    /** @mmu_index: Callback for choosing softmmu mmu index */
+    int (*mmu_index)(CPUState *cpu, bool ifetch);
+
 #ifdef CONFIG_USER_ONLY
     /**
      * @fake_user_interrupt: Callback for 'fake exception' handling.
diff --git a/include/exec/cpu-mmu-index.h b/include/exec/cpu-mmu-index.h
index cfc13d46bea..651526e9f97 100644
--- a/include/exec/cpu-mmu-index.h
+++ b/include/exec/cpu-mmu-index.h
@@ -10,6 +10,7 @@ 
 #define EXEC_CPU_MMU_INDEX_H
 
 #include "hw/core/cpu.h"
+#include "accel/tcg/cpu-ops.h"
 #include "tcg/debug-assert.h"
 #ifdef COMPILING_PER_TARGET
 #include "cpu.h"
@@ -31,7 +32,9 @@  static inline int cpu_mmu_index(CPUState *cs, bool ifetch)
 # endif
 #endif
 
-    int ret = cs->cc->mmu_index(cs, ifetch);
+    const TCGCPUOps *tcg_ops = cs->cc->tcg_ops;
+    int ret = tcg_ops->mmu_index ? tcg_ops->mmu_index(cs, ifetch)
+                                 : cs->cc->mmu_index(cs, ifetch);
     tcg_debug_assert(ret >= 0 && ret < NB_MMU_MODES);
     return ret;
 }