[v3,06/13] accel/tcg: Restrict IcountDecr / can_do_io / CPUTLB to TCG

Commit Message

Philippe Mathieu-Daudé April 30, 2024, 12:28 p.m. UTC

IcountDecr union, the can_do_io field, the CPUTLB* structures
and the "exec/tlb-common.h" header are only required for TCG.

Signed-off-by: Philippe Mathieu-Daudé <[e-mail]>
Reviewed-by: Richard Henderson <[e-mail]>
Message-Id: <[e-mail]>
---
 include/exec/tlb-common.h | 4 ++++
 include/hw/core/cpu.h     | 9 ++++++---
 2 files changed, 10 insertions(+), 3 deletions(-)

Patch

diff --git a/include/exec/tlb-common.h b/include/exec/tlb-common.h
index dc5a5faa0b..a529c9f056 100644
--- a/include/exec/tlb-common.h
+++ b/include/exec/tlb-common.h
@@ -19,6 +19,10 @@ 
 #ifndef EXEC_TLB_COMMON_H
 #define EXEC_TLB_COMMON_H 1
 
+#ifndef CONFIG_TCG
+#error Can only include this header with TCG
+#endif
+
 #define CPU_TLB_ENTRY_BITS 5
 
 /* Minimalized TLB entry for use by TCG fast path. */
diff --git a/include/hw/core/cpu.h b/include/hw/core/cpu.h
index 91e793e590..47b499f9f1 100644
--- a/include/hw/core/cpu.h
+++ b/include/hw/core/cpu.h
@@ -27,7 +27,6 @@ 
 #include "exec/vaddr.h"
 #include "exec/memattrs.h"
 #include "exec/mmu-access-type.h"
-#include "exec/tlb-common.h"
 #include "qapi/qapi-types-run-state.h"
 #include "qemu/bitmap.h"
 #include "qemu/rcu_queue.h"
@@ -256,6 +255,9 @@  typedef struct CPUTLBEntryFull {
     } extra;
 } CPUTLBEntryFull;
 
+#ifdef CONFIG_TCG
+#include "exec/tlb-common.h"
+
 /*
  * Data elements that are per MMU mode, minus the bits accessed by
  * the TCG fast path.
@@ -311,11 +313,9 @@  typedef struct CPUTLBCommon {
  * negative offsets are at the end of the struct.
  */
 typedef struct CPUTLB {
-#ifdef CONFIG_TCG
     CPUTLBCommon c;
     CPUTLBDesc d[NB_MMU_MODES];
     CPUTLBDescFast f[NB_MMU_MODES];
-#endif
 } CPUTLB;
 
 /*
@@ -337,6 +337,7 @@  typedef union IcountDecr {
 #endif
     } u16;
 } IcountDecr;
+#endif
 
 /**
  * CPUNegativeOffsetState: Elements of CPUState most efficiently accessed
@@ -345,6 +346,7 @@  typedef union IcountDecr {
  * @plugin_mem_cbs: active plugin memory callbacks
  */
 typedef struct CPUNegativeOffsetState {
+#ifdef CONFIG_TCG
     CPUTLB tlb;
 #ifdef CONFIG_PLUGIN
     /*
@@ -354,6 +356,7 @@  typedef struct CPUNegativeOffsetState {
 #endif
     IcountDecr icount_decr;
     bool can_do_io;
+#endif
 } CPUNegativeOffsetState;
 
 struct KVMState;