Changeset 92778f2 in mainline for kernel/arch/sparc64/include

Timestamp:

2006-12-04T21:14:07Z (19 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

4b43f86

Parents:

3d76996

Message:

Initial support for handling illegal virtual aliases on sparc64.

Location:

kernel/arch/sparc64/include

Files:

• cpu.h (modified) (1 diff)
• interrupt.h (modified) (1 diff)
• mm/as.h (modified) (1 diff)
• mm/cache.h (modified) (1 diff)

kernel/arch/sparc64/include/cpu.h

@@ -56 +56 @@
         ver_reg_t ver;
         uint32_t clock_frequency;       /**< Processor frequency in MHz. */
+        int dcache_active;              /**< When non-zero, the D-cache is not being shot down. */
 };
         

kernel/arch/sparc64/include/interrupt.h

@@ -44 +44 @@
 #define IVT_FIRST       1
 
+/* This needs to be defined for inter-architecture API portability. */
 #define VECTOR_TLB_SHOOTDOWN_IPI        0
-#define IPI_TLB_SHOOTDOWN               VECTOR_TLB_SHOOTDOWN_IPI
+
+enum {
+        IPI_TLB_SHOOTDOWN = VECTOR_TLB_SHOOTDOWN_IPI,
+        IPI_DCACHE_SHOOTDOWN
+};              
 
 struct istate {

kernel/arch/sparc64/include/mm/as.h

@@ -53 +53 @@
         tsb_entry_t *itsb;
         tsb_entry_t *dtsb;
-#endif
+#endif /* CONFIG_TSB */
 } as_arch_t;
 

kernel/arch/sparc64/include/mm/cache.h

@@ -36 +36 @@
 #define KERN_sparc64_CACHE_H_
 
+#ifdef CONFIG_SMP
+extern void dcache_shootdown_start(void);
+extern void dcache_shootdown_finalize(void);
+extern void dcache_shootdown_ipi_recv(void);
+#else /* CONFIG_SMP */
+#define dcache_shootdown_start();
+#define dcache_shootdown_finalize();
+#define dcache_shootdown_ipi_recv();
+#endif /* CONFIG_SMP */
+
 extern void dcache_flush(void);