[PATCH] CRIS update: updates for 2.6.12
Patches to make CRIS work with 2.6.12.
Signed-off-by: Mikael Starvik <starvik@axis.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/include/asm-cris/arch-v10/bitops.h b/include/asm-cris/arch-v10/bitops.h
index 21b7ae8..b73f539 100644
--- a/include/asm-cris/arch-v10/bitops.h
+++ b/include/asm-cris/arch-v10/bitops.h
@@ -51,7 +51,7 @@
*
* Undefined if no bit exists, so code should check against 0 first.
*/
-extern __inline__ unsigned long __ffs(unsigned long word)
+extern inline unsigned long __ffs(unsigned long word)
{
return cris_swapnwbrlz(~word);
}
diff --git a/include/asm-cris/arch-v10/offset.h b/include/asm-cris/arch-v10/offset.h
index fcbd77e..675b51d 100644
--- a/include/asm-cris/arch-v10/offset.h
+++ b/include/asm-cris/arch-v10/offset.h
@@ -25,7 +25,7 @@
#define THREAD_usp 4 /* offsetof(struct thread_struct, usp) */
#define THREAD_dccr 8 /* offsetof(struct thread_struct, dccr) */
-#define TASK_pid 133 /* offsetof(struct task_struct, pid) */
+#define TASK_pid 141 /* offsetof(struct task_struct, pid) */
#define LCLONE_VM 256 /* CLONE_VM */
#define LCLONE_UNTRACED 8388608 /* CLONE_UNTRACED */
diff --git a/include/asm-cris/bitops.h b/include/asm-cris/bitops.h
index d786111..e3da57f 100644
--- a/include/asm-cris/bitops.h
+++ b/include/asm-cris/bitops.h
@@ -16,6 +16,7 @@
#include <asm/arch/bitops.h>
#include <asm/system.h>
+#include <asm/atomic.h>
#include <linux/compiler.h>
/*
@@ -88,7 +89,7 @@
* It also implies a memory barrier.
*/
-extern inline int test_and_set_bit(int nr, void *addr)
+extern inline int test_and_set_bit(int nr, volatile unsigned long *addr)
{
unsigned int mask, retval;
unsigned long flags;
@@ -96,15 +97,15 @@
adr += nr >> 5;
mask = 1 << (nr & 0x1f);
- local_save_flags(flags);
- local_irq_disable();
+ cris_atomic_save(addr, flags);
retval = (mask & *adr) != 0;
*adr |= mask;
+ cris_atomic_restore(addr, flags);
local_irq_restore(flags);
return retval;
}
-extern inline int __test_and_set_bit(int nr, void *addr)
+extern inline int __test_and_set_bit(int nr, volatile unsigned long *addr)
{
unsigned int mask, retval;
unsigned int *adr = (unsigned int *)addr;
@@ -131,7 +132,7 @@
* It also implies a memory barrier.
*/
-extern inline int test_and_clear_bit(int nr, void *addr)
+extern inline int test_and_clear_bit(int nr, volatile unsigned long *addr)
{
unsigned int mask, retval;
unsigned long flags;
@@ -139,11 +140,10 @@
adr += nr >> 5;
mask = 1 << (nr & 0x1f);
- local_save_flags(flags);
- local_irq_disable();
+ cris_atomic_save(addr, flags);
retval = (mask & *adr) != 0;
*adr &= ~mask;
- local_irq_restore(flags);
+ cris_atomic_restore(addr, flags);
return retval;
}
@@ -157,7 +157,7 @@
* but actually fail. You must protect multiple accesses with a lock.
*/
-extern inline int __test_and_clear_bit(int nr, void *addr)
+extern inline int __test_and_clear_bit(int nr, volatile unsigned long *addr)
{
unsigned int mask, retval;
unsigned int *adr = (unsigned int *)addr;
@@ -177,24 +177,23 @@
* It also implies a memory barrier.
*/
-extern inline int test_and_change_bit(int nr, void *addr)
+extern inline int test_and_change_bit(int nr, volatile unsigned long *addr)
{
unsigned int mask, retval;
unsigned long flags;
unsigned int *adr = (unsigned int *)addr;
adr += nr >> 5;
mask = 1 << (nr & 0x1f);
- local_save_flags(flags);
- local_irq_disable();
+ cris_atomic_save(addr, flags);
retval = (mask & *adr) != 0;
*adr ^= mask;
- local_irq_restore(flags);
+ cris_atomic_restore(addr, flags);
return retval;
}
/* WARNING: non atomic and it can be reordered! */
-extern inline int __test_and_change_bit(int nr, void *addr)
+extern inline int __test_and_change_bit(int nr, volatile unsigned long *addr)
{
unsigned int mask, retval;
unsigned int *adr = (unsigned int *)addr;
@@ -215,7 +214,7 @@
* This routine doesn't need to be atomic.
*/
-extern inline int test_bit(int nr, const void *addr)
+extern inline int test_bit(int nr, const volatile unsigned long *addr)
{
unsigned int mask;
unsigned int *adr = (unsigned int *)addr;
@@ -259,7 +258,7 @@
* @offset: The bitnumber to start searching at
* @size: The maximum size to search
*/
-extern inline int find_next_zero_bit (void * addr, int size, int offset)
+extern inline int find_next_zero_bit (const unsigned long * addr, int size, int offset)
{
unsigned long *p = ((unsigned long *) addr) + (offset >> 5);
unsigned long result = offset & ~31UL;
@@ -301,7 +300,7 @@
* @offset: The bitnumber to start searching at
* @size: The maximum size to search
*/
-static __inline__ int find_next_bit(void *addr, int size, int offset)
+static __inline__ int find_next_bit(const unsigned long *addr, int size, int offset)
{
unsigned long *p = ((unsigned long *) addr) + (offset >> 5);
unsigned long result = offset & ~31UL;
@@ -367,7 +366,7 @@
#define minix_test_bit(nr,addr) test_bit(nr,addr)
#define minix_find_first_zero_bit(addr,size) find_first_zero_bit(addr,size)
-extern inline int sched_find_first_bit(unsigned long *b)
+extern inline int sched_find_first_bit(const unsigned long *b)
{
if (unlikely(b[0]))
return __ffs(b[0]);
diff --git a/include/asm-cris/kmap_types.h b/include/asm-cris/kmap_types.h
index eec0974..492988c 100644
--- a/include/asm-cris/kmap_types.h
+++ b/include/asm-cris/kmap_types.h
@@ -17,8 +17,8 @@
KM_PTE1,
KM_IRQ0,
KM_IRQ1,
- KM_CRYPTO_USER,
- KM_CRYPTO_SOFTIRQ,
+ KM_SOFTIRQ0,
+ KM_SOFTIRQ1,
KM_TYPE_NR
};
diff --git a/include/asm-cris/page.h b/include/asm-cris/page.h
index c767da1..bbf17bd 100644
--- a/include/asm-cris/page.h
+++ b/include/asm-cris/page.h
@@ -29,18 +29,15 @@
*/
#ifndef __ASSEMBLY__
typedef struct { unsigned long pte; } pte_t;
-typedef struct { unsigned long pmd; } pmd_t;
typedef struct { unsigned long pgd; } pgd_t;
typedef struct { unsigned long pgprot; } pgprot_t;
#endif
#define pte_val(x) ((x).pte)
-#define pmd_val(x) ((x).pmd)
#define pgd_val(x) ((x).pgd)
#define pgprot_val(x) ((x).pgprot)
#define __pte(x) ((pte_t) { (x) } )
-#define __pmd(x) ((pmd_t) { (x) } )
#define __pgd(x) ((pgd_t) { (x) } )
#define __pgprot(x) ((pgprot_t) { (x) } )
@@ -73,10 +70,6 @@
#ifndef __ASSEMBLY__
-#define BUG() do { \
- printk("kernel BUG at %s:%d!\n", __FILE__, __LINE__); \
-} while (0)
-
/* Pure 2^n version of get_order */
static inline int get_order(unsigned long size)
{
diff --git a/include/asm-cris/pgalloc.h b/include/asm-cris/pgalloc.h
index b202e62..a131776 100644
--- a/include/asm-cris/pgalloc.h
+++ b/include/asm-cris/pgalloc.h
@@ -47,16 +47,6 @@
#define __pte_free_tlb(tlb,pte) tlb_remove_page((tlb),(pte))
-/*
- * We don't have any real pmd's, and this code never triggers because
- * the pgd will always be present..
- */
-
-#define pmd_alloc_one(mm, addr) ({ BUG(); ((pmd_t *)2); })
-#define pmd_free(x) do { } while (0)
-#define __pmd_free_tlb(tlb,x) do { } while (0)
-#define pgd_populate(mm, pmd, pte) BUG()
-
#define check_pgt_cache() do { } while (0)
#endif
diff --git a/include/asm-cris/pgtable.h b/include/asm-cris/pgtable.h
index f704294..a9143be 100644
--- a/include/asm-cris/pgtable.h
+++ b/include/asm-cris/pgtable.h
@@ -5,7 +5,8 @@
#ifndef _CRIS_PGTABLE_H
#define _CRIS_PGTABLE_H
-#include <asm-generic/4level-fixup.h>
+#include <asm/page.h>
+#include <asm-generic/pgtable-nopmd.h>
#ifndef __ASSEMBLY__
#include <linux/config.h>
@@ -41,22 +42,14 @@
* but the define is needed for a generic inline function.)
*/
#define set_pmd(pmdptr, pmdval) (*(pmdptr) = pmdval)
-#define set_pgd(pgdptr, pgdval) (*(pgdptr) = pgdval)
+#define set_pgu(pudptr, pudval) (*(pudptr) = pudval)
-/* PMD_SHIFT determines the size of the area a second-level page table can
+/* PGDIR_SHIFT determines the size of the area a second-level page table can
* map. It is equal to the page size times the number of PTE's that fit in
* a PMD page. A PTE is 4-bytes in CRIS. Hence the following number.
*/
-#define PMD_SHIFT (PAGE_SHIFT + (PAGE_SHIFT-2))
-#define PMD_SIZE (1UL << PMD_SHIFT)
-#define PMD_MASK (~(PMD_SIZE-1))
-
-/* PGDIR_SHIFT determines what a third-level page table entry can map.
- * Since we fold into a two-level structure, this is the same as PMD_SHIFT.
- */
-
-#define PGDIR_SHIFT PMD_SHIFT
+#define PGDIR_SHIFT (PAGE_SHIFT + (PAGE_SHIFT-2))
#define PGDIR_SIZE (1UL << PGDIR_SHIFT)
#define PGDIR_MASK (~(PGDIR_SIZE-1))
@@ -67,7 +60,6 @@
* divide it by 4 (shift by 2).
*/
#define PTRS_PER_PTE (1UL << (PAGE_SHIFT-2))
-#define PTRS_PER_PMD 1
#define PTRS_PER_PGD (1UL << (PAGE_SHIFT-2))
/* calculate how many PGD entries a user-level program can use
@@ -105,7 +97,7 @@
#define pte_present(x) (pte_val(x) & _PAGE_PRESENT)
#define pte_clear(mm,addr,xp) do { pte_val(*(xp)) = 0; } while (0)
-#define pmd_none(x) (!pmd_val(x))
+#define pmd_none(x) (!pmd_val(x))
/* by removing the _PAGE_KERNEL bit from the comparision, the same pmd_bad
* works for both _PAGE_TABLE and _KERNPG_TABLE pmd entries.
*/
@@ -116,16 +108,6 @@
#ifndef __ASSEMBLY__
/*
- * The "pgd_xxx()" functions here are trivial for a folded two-level
- * setup: the pgd is never bad, and a pmd always exists (as it's folded
- * into the pgd entry)
- */
-extern inline int pgd_none(pgd_t pgd) { return 0; }
-extern inline int pgd_bad(pgd_t pgd) { return 0; }
-extern inline int pgd_present(pgd_t pgd) { return 1; }
-extern inline void pgd_clear(pgd_t * pgdp) { }
-
-/*
* The following only work if pte_present() is true.
* Undefined behaviour if not..
*/
@@ -275,7 +257,7 @@
#define pmd_page_kernel(pmd) ((unsigned long) __va(pmd_val(pmd) & PAGE_MASK))
/* to find an entry in a page-table-directory. */
-#define pgd_index(address) ((address >> PGDIR_SHIFT) & (PTRS_PER_PGD-1))
+#define pgd_index(address) (((address) >> PGDIR_SHIFT) & (PTRS_PER_PGD-1))
/* to find an entry in a page-table-directory */
extern inline pgd_t * pgd_offset(struct mm_struct * mm, unsigned long address)
@@ -286,12 +268,6 @@
/* to find an entry in a kernel page-table-directory */
#define pgd_offset_k(address) pgd_offset(&init_mm, address)
-/* Find an entry in the second-level page table.. */
-extern inline pmd_t * pmd_offset(pgd_t * dir, unsigned long address)
-{
- return (pmd_t *) dir;
-}
-
/* Find an entry in the third-level page table.. */
#define __pte_offset(address) \
(((address) >> PAGE_SHIFT) & (PTRS_PER_PTE - 1))
@@ -308,8 +284,6 @@
#define pte_ERROR(e) \
printk("%s:%d: bad pte %p(%08lx).\n", __FILE__, __LINE__, &(e), pte_val(e))
-#define pmd_ERROR(e) \
- printk("%s:%d: bad pmd %p(%08lx).\n", __FILE__, __LINE__, &(e), pmd_val(e))
#define pgd_ERROR(e) \
printk("%s:%d: bad pgd %p(%08lx).\n", __FILE__, __LINE__, &(e), pgd_val(e))
@@ -348,5 +322,7 @@
#define pte_to_pgoff(x) (pte_val(x) >> 6)
#define pgoff_to_pte(x) __pte(((x) << 6) | _PAGE_FILE)
+typedef pte_t *pte_addr_t;
+
#endif /* __ASSEMBLY__ */
#endif /* _CRIS_PGTABLE_H */
diff --git a/include/asm-cris/processor.h b/include/asm-cris/processor.h
index 623bdf0..0dc2181 100644
--- a/include/asm-cris/processor.h
+++ b/include/asm-cris/processor.h
@@ -55,15 +55,6 @@
#define KSTK_ESP(tsk) ((tsk) == current ? rdusp() : (tsk)->thread.usp)
-/*
- * Free current thread data structures etc..
- */
-
-extern inline void exit_thread(void)
-{
- /* Nothing needs to be done. */
-}
-
extern unsigned long thread_saved_pc(struct task_struct *tsk);
/* Free all resources held by a thread. */
diff --git a/include/asm-cris/thread_info.h b/include/asm-cris/thread_info.h
index 5ba4b78..cef0140 100644
--- a/include/asm-cris/thread_info.h
+++ b/include/asm-cris/thread_info.h
@@ -43,7 +43,7 @@
#endif
-#define PREEMPT_ACTIVE 0x4000000
+#define PREEMPT_ACTIVE 0x10000000
/*
* macros/functions for gaining access to the thread information structure
diff --git a/include/asm-cris/timex.h b/include/asm-cris/timex.h
index 375c41a..3fb069a 100644
--- a/include/asm-cris/timex.h
+++ b/include/asm-cris/timex.h
@@ -14,7 +14,7 @@
* used so it does not matter.
*/
-typedef unsigned int cycles_t;
+typedef unsigned long long cycles_t;
extern inline cycles_t get_cycles(void)
{
diff --git a/include/asm-cris/types.h b/include/asm-cris/types.h
index 41a0d45..8fa6d6c 100644
--- a/include/asm-cris/types.h
+++ b/include/asm-cris/types.h
@@ -52,7 +52,7 @@
typedef u32 dma_addr_t;
typedef u32 dma64_addr_t;
-typedef unsigned int kmem_bufctl_t;
+typedef unsigned short kmem_bufctl_t;
#endif /* __ASSEMBLY__ */
diff --git a/include/asm-cris/unistd.h b/include/asm-cris/unistd.h
index e80bf27..28232ad 100644
--- a/include/asm-cris/unistd.h
+++ b/include/asm-cris/unistd.h
@@ -288,8 +288,15 @@
#define __NR_mq_timedreceive (__NR_mq_open+3)
#define __NR_mq_notify (__NR_mq_open+4)
#define __NR_mq_getsetattr (__NR_mq_open+5)
-
-#define NR_syscalls 283
+#define __NR_sys_kexec_load 283
+#define __NR_waitid 284
+/* #define __NR_sys_setaltroot 285 */
+#define __NR_add_key 286
+#define __NR_request_key 287
+#define __NR_keyctl 288
+
+#define NR_syscalls 289
+
#ifdef __KERNEL__