#define copy_page(X,Y) memcpy((void *)(X), (void *)(Y), PAGE_SIZE)
extern void copy_user_page(void *to, void *from, unsigned long vaddr, struct page *topage);
-/* GROSS, defining this makes gcc pass these types as aggregates,
- * and thus on the stack, turn this crap off... -DaveM
+/* Unlike sparc32, sparc64's parameter passing API is more
+ * sane in that structures which as small enough are passed
+ * in registers instead of on the stack. Thus, setting
+ * STRICT_MM_TYPECHECKS does not generate worse code so
+ * let's enable it to get the type checking.
*/
-/* #define STRICT_MM_TYPECHECKS */
+#define STRICT_MM_TYPECHECKS
#ifdef STRICT_MM_TYPECHECKS
/* These are used to make use of C type-checking.. */
typedef struct { unsigned long iopte; } iopte_t;
typedef struct { unsigned int pmd; } pmd_t;
typedef struct { unsigned int pgd; } pgd_t;
-typedef struct { unsigned long ctxd; } ctxd_t;
typedef struct { unsigned long pgprot; } pgprot_t;
-typedef struct { unsigned long iopgprot; } iopgprot_t;
#define pte_val(x) ((x).pte)
#define iopte_val(x) ((x).iopte)
#define pmd_val(x) ((x).pmd)
#define pgd_val(x) ((x).pgd)
-#define ctxd_val(x) ((x).ctxd)
#define pgprot_val(x) ((x).pgprot)
-#define iopgprot_val(x) ((x).iopgprot)
#define __pte(x) ((pte_t) { (x) } )
#define __iopte(x) ((iopte_t) { (x) } )
#define __pmd(x) ((pmd_t) { (x) } )
#define __pgd(x) ((pgd_t) { (x) } )
-#define __ctxd(x) ((ctxd_t) { (x) } )
#define __pgprot(x) ((pgprot_t) { (x) } )
-#define __iopgprot(x) ((iopgprot_t) { (x) } )
#else
/* .. while these make it easier on the compiler */
typedef unsigned long iopte_t;
typedef unsigned int pmd_t;
typedef unsigned int pgd_t;
-typedef unsigned long ctxd_t;
typedef unsigned long pgprot_t;
-typedef unsigned long iopgprot_t;
#define pte_val(x) (x)
#define iopte_val(x) (x)
#define pmd_val(x) (x)
#define pgd_val(x) (x)
-#define ctxd_val(x) (x)
#define pgprot_val(x) (x)
-#define iopgprot_val(x) (x)
#define __pte(x) (x)
#define __iopte(x) (x)
#define __pmd(x) (x)
#define __pgd(x) (x)
-#define __ctxd(x) (x)
#define __pgprot(x) (x)
-#define __iopgprot(x) (x)
#endif /* (STRICT_MM_TYPECHECKS) */