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authorRichard Henderson <richard.henderson@linaro.org>2022-08-15 15:13:05 -0500
committerRichard Henderson <richard.henderson@linaro.org>2022-10-04 12:13:12 -0700
commita976a99a29755e8c7a275ac269db8a0a20d79e95 (patch)
tree27277657c7c72c3e03b61ecd9011ba28ac4571da /include
parent1d41a79b3c7573c941723455149cfadfe7c2ab37 (diff)
downloadfocaccia-qemu-a976a99a29755e8c7a275ac269db8a0a20d79e95.tar.gz
focaccia-qemu-a976a99a29755e8c7a275ac269db8a0a20d79e95.zip
include/hw/core: Create struct CPUJumpCache
Wrap the bare TranslationBlock pointer into a structure.

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'include')
-rw-r--r--include/exec/cpu-common.h1
-rw-r--r--include/hw/core/cpu.h15
-rw-r--r--include/qemu/typedefs.h1
3 files changed, 3 insertions, 14 deletions
diff --git a/include/exec/cpu-common.h b/include/exec/cpu-common.h
index d909429427..c493510ee9 100644
--- a/include/exec/cpu-common.h
+++ b/include/exec/cpu-common.h
@@ -38,6 +38,7 @@ void cpu_list_unlock(void);
 unsigned int cpu_list_generation_id_get(void);
 
 void tcg_flush_softmmu_tlb(CPUState *cs);
+void tcg_flush_jmp_cache(CPUState *cs);
 
 void tcg_iommu_init_notifier_list(CPUState *cpu);
 void tcg_iommu_free_notifier_list(CPUState *cpu);
diff --git a/include/hw/core/cpu.h b/include/hw/core/cpu.h
index 009dc0d336..18ca701b44 100644
--- a/include/hw/core/cpu.h
+++ b/include/hw/core/cpu.h
@@ -236,9 +236,6 @@ struct kvm_run;
 struct hax_vcpu_state;
 struct hvf_vcpu_state;
 
-#define TB_JMP_CACHE_BITS 12
-#define TB_JMP_CACHE_SIZE (1 << TB_JMP_CACHE_BITS)
-
 /* work queue */
 
 /* The union type allows passing of 64 bit target pointers on 32 bit
@@ -369,8 +366,7 @@ struct CPUState {
     CPUArchState *env_ptr;
     IcountDecr *icount_decr_ptr;
 
-    /* Accessed in parallel; all accesses must be atomic */
-    TranslationBlock *tb_jmp_cache[TB_JMP_CACHE_SIZE];
+    CPUJumpCache *tb_jmp_cache;
 
     struct GDBRegisterState *gdb_regs;
     int gdb_num_regs;
@@ -456,15 +452,6 @@ extern CPUTailQ cpus;
 
 extern __thread CPUState *current_cpu;
 
-static inline void cpu_tb_jmp_cache_clear(CPUState *cpu)
-{
-    unsigned int i;
-
-    for (i = 0; i < TB_JMP_CACHE_SIZE; i++) {
-        qatomic_set(&cpu->tb_jmp_cache[i], NULL);
-    }
-}
-
 /**
  * qemu_tcg_mttcg_enabled:
  * Check whether we are running MultiThread TCG or not.
diff --git a/include/qemu/typedefs.h b/include/qemu/typedefs.h
index a4aee238c7..5f95169827 100644
--- a/include/qemu/typedefs.h
+++ b/include/qemu/typedefs.h
@@ -41,6 +41,7 @@ typedef struct CoMutex CoMutex;
 typedef struct ConfidentialGuestSupport ConfidentialGuestSupport;
 typedef struct CPUAddressSpace CPUAddressSpace;
 typedef struct CPUArchState CPUArchState;
+typedef struct CPUJumpCache CPUJumpCache;
 typedef struct CPUState CPUState;
 typedef struct CPUTLBEntryFull CPUTLBEntryFull;
 typedef struct DeviceListener DeviceListener;