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Author: vacantron

src/jit.h

@@ -53,9 +53,12 @@ typedef void (*exec_block_func_t)(riscv_t *rv, uintptr_t);
 #if RV32_HAS(T2C)
 void t2c_compile(riscv_t *, block_t *);
 typedef void (*exec_t2c_func_t)(riscv_t *);
-#endif
 
 #if RV32_HAS(JIT_CACHE)
+/* The jit-cache records the program counters and the entries of executable
+ * instructions generated by T2C. Like hardware cache, the old jit-cache will be
+ * overridden by the new one which uses the same slot.
+ */
 #define MAX_JIT_CACHE_TABLE_ENTRIES (1 << 12)
 
 struct jit_cache {
@@ -68,3 +71,4 @@ void jit_cache_exit(struct jit_cache *cache);
 void jit_cache_update(struct jit_cache *cache, uint32_t pc, void *entry);
 void jit_cache_clear(struct jit_cache *cache);
 #endif
+#endif