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authorJeff Garzik <jgarzik@pobox.com>2005-09-08 05:43:49 -0400
committerJeff Garzik <jgarzik@pobox.com>2005-09-08 05:43:49 -0400
commit1d6ae775d7a948c9575658eb41184fd2e506c0df (patch)
tree8128a28e89d82f13bb8e3a2160382240c66e2816 /include/asm-m68knommu
parent739cdbf1d8f0739b80035b80d69d871e33749b86 (diff)
parentcaf39e87cc1182f7dae84eefc43ca14d54c78ef9 (diff)
Merge /spare/repo/linux-2.6/
Diffstat (limited to 'include/asm-m68knommu')
-rw-r--r--include/asm-m68knommu/auxvec.h4
-rw-r--r--include/asm-m68knommu/futex.h53
-rw-r--r--include/asm-m68knommu/hdreg.h1
-rw-r--r--include/asm-m68knommu/page.h21
-rw-r--r--include/asm-m68knommu/uaccess.h6
5 files changed, 62 insertions, 23 deletions
diff --git a/include/asm-m68knommu/auxvec.h b/include/asm-m68knommu/auxvec.h
new file mode 100644
index 00000000000..844d6d52204
--- /dev/null
+++ b/include/asm-m68knommu/auxvec.h
@@ -0,0 +1,4 @@
+#ifndef __ASMm68k_AUXVEC_H
+#define __ASMm68k_AUXVEC_H
+
+#endif
diff --git a/include/asm-m68knommu/futex.h b/include/asm-m68knommu/futex.h
new file mode 100644
index 00000000000..2cac5ecd9d0
--- /dev/null
+++ b/include/asm-m68knommu/futex.h
@@ -0,0 +1,53 @@
+#ifndef _ASM_FUTEX_H
+#define _ASM_FUTEX_H
+
+#ifdef __KERNEL__
+
+#include <linux/futex.h>
+#include <asm/errno.h>
+#include <asm/uaccess.h>
+
+static inline int
+futex_atomic_op_inuser (int encoded_op, int __user *uaddr)
+{
+ int op = (encoded_op >> 28) & 7;
+ int cmp = (encoded_op >> 24) & 15;
+ int oparg = (encoded_op << 8) >> 20;
+ int cmparg = (encoded_op << 20) >> 20;
+ int oldval = 0, ret, tem;
+ if (encoded_op & (FUTEX_OP_OPARG_SHIFT << 28))
+ oparg = 1 << oparg;
+
+ if (! access_ok (VERIFY_WRITE, uaddr, sizeof(int)))
+ return -EFAULT;
+
+ inc_preempt_count();
+
+ switch (op) {
+ case FUTEX_OP_SET:
+ case FUTEX_OP_ADD:
+ case FUTEX_OP_OR:
+ case FUTEX_OP_ANDN:
+ case FUTEX_OP_XOR:
+ default:
+ ret = -ENOSYS;
+ }
+
+ dec_preempt_count();
+
+ if (!ret) {
+ switch (cmp) {
+ case FUTEX_OP_CMP_EQ: ret = (oldval == cmparg); break;
+ case FUTEX_OP_CMP_NE: ret = (oldval != cmparg); break;
+ case FUTEX_OP_CMP_LT: ret = (oldval < cmparg); break;
+ case FUTEX_OP_CMP_GE: ret = (oldval >= cmparg); break;
+ case FUTEX_OP_CMP_LE: ret = (oldval <= cmparg); break;
+ case FUTEX_OP_CMP_GT: ret = (oldval > cmparg); break;
+ default: ret = -ENOSYS;
+ }
+ }
+ return ret;
+}
+
+#endif
+#endif
diff --git a/include/asm-m68knommu/hdreg.h b/include/asm-m68knommu/hdreg.h
deleted file mode 100644
index 5cdd9b084d3..00000000000
--- a/include/asm-m68knommu/hdreg.h
+++ /dev/null
@@ -1 +0,0 @@
-#include <asm-m68k/hdreg.h>
diff --git a/include/asm-m68knommu/page.h b/include/asm-m68knommu/page.h
index 05e03df0ec2..942dfbead27 100644
--- a/include/asm-m68knommu/page.h
+++ b/include/asm-m68knommu/page.h
@@ -48,20 +48,6 @@ typedef struct { unsigned long pgprot; } pgprot_t;
/* to align the pointer to the (next) page boundary */
#define PAGE_ALIGN(addr) (((addr)+PAGE_SIZE-1)&PAGE_MASK)
-/* Pure 2^n version of get_order */
-extern __inline__ int get_order(unsigned long size)
-{
- int order;
-
- size = (size-1) >> (PAGE_SHIFT-1);
- order = -1;
- do {
- size >>= 1;
- order++;
- } while (size);
- return order;
-}
-
extern unsigned long memory_start;
extern unsigned long memory_end;
@@ -73,8 +59,8 @@ extern unsigned long memory_end;
#ifndef __ASSEMBLY__
-#define __pa(vaddr) virt_to_phys((void *)vaddr)
-#define __va(paddr) phys_to_virt((unsigned long)paddr)
+#define __pa(vaddr) virt_to_phys((void *)(vaddr))
+#define __va(paddr) phys_to_virt((unsigned long)(paddr))
#define virt_to_pfn(kaddr) (__pa(kaddr) >> PAGE_SHIFT)
#define pfn_to_virt(pfn) __va((pfn) << PAGE_SHIFT)
@@ -84,6 +70,7 @@ extern unsigned long memory_end;
#define pfn_to_page(pfn) virt_to_page(pfn_to_virt(pfn))
#define page_to_pfn(page) virt_to_pfn(page_to_virt(page))
+#define pfn_valid(pfn) ((pfn) < max_mapnr)
#define virt_addr_valid(kaddr) (((void *)(kaddr) >= (void *)PAGE_OFFSET) && \
((void *)(kaddr) < (void *)memory_end))
@@ -92,4 +79,6 @@ extern unsigned long memory_end;
#endif /* __KERNEL__ */
+#include <asm-generic/page.h>
+
#endif /* _M68KNOMMU_PAGE_H */
diff --git a/include/asm-m68knommu/uaccess.h b/include/asm-m68knommu/uaccess.h
index f0be74bb353..05be9515a2d 100644
--- a/include/asm-m68knommu/uaccess.h
+++ b/include/asm-m68knommu/uaccess.h
@@ -23,12 +23,6 @@ static inline int _access_ok(unsigned long addr, unsigned long size)
(is_in_rom(addr) && is_in_rom(addr+size)));
}
-/* this function will go away soon - use access_ok() instead */
-extern inline int __deprecated verify_area(int type, const void * addr, unsigned long size)
-{
- return access_ok(type,addr,size)?0:-EFAULT;
-}
-
/*
* The exception table consists of pairs of addresses: the first is the
* address of an instruction that is allowed to fault, and the second is