Changeset b4655da in mainline for kernel/arch/sparc64/include

Timestamp:

2009-11-06T16:59:40Z (16 years ago)

Author:

Pavel Rimsky <pavel@…>

Branches:

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

Children:

74cbac7d

Parents:

66e08d02

Message:

TLB & CPU init implemented, now the code reaches creation of the first thread.

Location:

kernel/arch/sparc64/include

Files:

• drivers/tick.h (modified) (1 diff)
• mm/tte.h (modified) (1 diff)

kernel/arch/sparc64/include/drivers/tick.h

@@ -36 +36 @@
 #define KERN_sparc64_TICK_H_
 
+#include <arch/asm.h>
 #include <arch/interrupt.h>
+
+/* mask of the "counter" field of the Tick register */
+#define TICK_COUNTER_MASK       (~(1l << 63))
 
 extern void tick_init(void);
 extern void tick_interrupt(int n, istate_t *istate);
+
+/**
+ * Reads the Tick register counter.
+ */
+static inline uint64_t tick_counter_read(void)
+{
+        return TICK_COUNTER_MASK & tick_read();
+}
 
 #endif

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

@@ -36 +36 @@
 #define KERN_sparc64_TTE_H_
 
-#define TTE_G           (1 << 0)
-#define TTE_W           (1 << 1)
-#define TTE_P           (1 << 2)
-#define TTE_E           (1 << 3)
-#define TTE_CV          (1 << 4)
-#define TTE_CP          (1 << 5)
-#define TTE_L           (1 << 6)
-
-#define TTE_V_SHIFT     63
-#define TTE_SIZE_SHIFT  61
-
-#ifndef __ASM__
-
-#include <arch/types.h>
-
-/* TTE tag's VA_tag field contains bits <63:VA_TAG_PAGE_SHIFT> of the VA */
-#define VA_TAG_PAGE_SHIFT       22
-
-/** Translation Table Entry - Tag. */
-union tte_tag {
-        uint64_t value;
-        struct {
-                unsigned g : 1;         /**< Global. */
-                unsigned : 2;           /**< Reserved. */
-                unsigned context : 13;  /**< Context identifier. */
-                unsigned : 6;           /**< Reserved. */
-                uint64_t va_tag : 42;   /**< Virtual Address Tag, bits 63:22. */
-        } __attribute__ ((packed));
-};
-
-typedef union tte_tag tte_tag_t;
-
-/** Translation Table Entry - Data. */
-union tte_data {
-        uint64_t value;
-        struct {
-                unsigned v : 1;         /**< Valid. */
-                unsigned size : 2;      /**< Page size of this entry. */
-                unsigned nfo : 1;       /**< No-Fault-Only. */
-                unsigned ie : 1;        /**< Invert Endianness. */
-                unsigned soft2 : 9;     /**< Software defined field. */
-#if defined (US)
-                unsigned diag : 9;      /**< Diagnostic data. */
-                unsigned pfn : 28;      /**< Physical Address bits, bits 40:13. */
-#elif defined (US3)
-                unsigned : 7;           /**< Reserved. */
-                unsigned pfn : 30;      /**< Physical Address bits, bits 42:13 */
+#if defined (SUN4U)
+#include <arch/mm/sun4u/tte.h>
+#elif defined (SUN4V)
+#include <arch/mm/sun4v/tte.h>
 #endif
-                unsigned soft : 6;      /**< Software defined field. */
-                unsigned l : 1;         /**< Lock. */
-                unsigned cp : 1;        /**< Cacheable in physically indexed cache. */
-                unsigned cv : 1;        /**< Cacheable in virtually indexed cache. */
-                unsigned e : 1;         /**< Side-effect. */
-                unsigned p : 1;         /**< Privileged. */
-                unsigned w : 1;         /**< Writable. */
-                unsigned g : 1;         /**< Global. */
-        } __attribute__ ((packed));
-};
-
-typedef union tte_data tte_data_t;
-
-#endif /* !def __ASM__ */
 
 #endif