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-rw-r--r--arch/arm/include/asm/cacheflush.h5
-rw-r--r--arch/arm/include/asm/checksum.h34
-rw-r--r--arch/arm/include/asm/hardware/cache-l2x0.h1
-rw-r--r--arch/arm/include/asm/io.h2
-rw-r--r--arch/arm/include/asm/mach/map.h27
-rw-r--r--arch/arm/include/asm/memory.h34
-rw-r--r--arch/arm/include/asm/pci.h5
-rw-r--r--arch/arm/include/asm/pgtable-2level.h1
-rw-r--r--arch/arm/include/asm/pgtable-3level.h1
-rw-r--r--arch/arm/include/asm/pgtable.h4
-rw-r--r--arch/arm/include/asm/word-at-a-time.h18
-rw-r--r--arch/arm/include/asm/xen/page.h2
12 files changed, 79 insertions, 55 deletions
diff --git a/arch/arm/include/asm/cacheflush.h b/arch/arm/include/asm/cacheflush.h
index ee753f1..e9a49fe 100644
--- a/arch/arm/include/asm/cacheflush.h
+++ b/arch/arm/include/asm/cacheflush.h
@@ -481,4 +481,9 @@ static inline void __sync_cache_range_r(volatile void *p, size_t size)
: : : "r0","r1","r2","r3","r4","r5","r6","r7", \
"r9","r10","lr","memory" )
+int set_memory_ro(unsigned long addr, int numpages);
+int set_memory_rw(unsigned long addr, int numpages);
+int set_memory_x(unsigned long addr, int numpages);
+int set_memory_nx(unsigned long addr, int numpages);
+
#endif
diff --git a/arch/arm/include/asm/checksum.h b/arch/arm/include/asm/checksum.h
index 6dcc164..5233151 100644
--- a/arch/arm/include/asm/checksum.h
+++ b/arch/arm/include/asm/checksum.h
@@ -87,19 +87,33 @@ static inline __wsum
csum_tcpudp_nofold(__be32 saddr, __be32 daddr, unsigned short len,
unsigned short proto, __wsum sum)
{
- __asm__(
- "adds %0, %1, %2 @ csum_tcpudp_nofold \n\
- adcs %0, %0, %3 \n"
+ u32 lenprot = len | proto << 16;
+ if (__builtin_constant_p(sum) && sum == 0) {
+ __asm__(
+ "adds %0, %1, %2 @ csum_tcpudp_nofold0 \n\t"
#ifdef __ARMEB__
- "adcs %0, %0, %4 \n"
+ "adcs %0, %0, %3 \n\t"
#else
- "adcs %0, %0, %4, lsl #8 \n"
+ "adcs %0, %0, %3, ror #8 \n\t"
#endif
- "adcs %0, %0, %5 \n\
- adc %0, %0, #0"
- : "=&r"(sum)
- : "r" (sum), "r" (daddr), "r" (saddr), "r" (len), "Ir" (htons(proto))
- : "cc");
+ "adc %0, %0, #0"
+ : "=&r" (sum)
+ : "r" (daddr), "r" (saddr), "r" (lenprot)
+ : "cc");
+ } else {
+ __asm__(
+ "adds %0, %1, %2 @ csum_tcpudp_nofold \n\t"
+ "adcs %0, %0, %3 \n\t"
+#ifdef __ARMEB__
+ "adcs %0, %0, %4 \n\t"
+#else
+ "adcs %0, %0, %4, ror #8 \n\t"
+#endif
+ "adc %0, %0, #0"
+ : "=&r"(sum)
+ : "r" (sum), "r" (daddr), "r" (saddr), "r" (lenprot)
+ : "cc");
+ }
return sum;
}
/*
diff --git a/arch/arm/include/asm/hardware/cache-l2x0.h b/arch/arm/include/asm/hardware/cache-l2x0.h
index 3b2c40b..6795ff7 100644
--- a/arch/arm/include/asm/hardware/cache-l2x0.h
+++ b/arch/arm/include/asm/hardware/cache-l2x0.h
@@ -131,6 +131,7 @@ struct l2x0_regs {
unsigned long prefetch_ctrl;
unsigned long pwr_ctrl;
unsigned long ctrl;
+ unsigned long aux2_ctrl;
};
extern struct l2x0_regs l2x0_saved_regs;
diff --git a/arch/arm/include/asm/io.h b/arch/arm/include/asm/io.h
index 3c597c2..fbeb39c 100644
--- a/arch/arm/include/asm/io.h
+++ b/arch/arm/include/asm/io.h
@@ -329,7 +329,7 @@ extern void _memset_io(volatile void __iomem *, int, size_t);
*/
#define ioremap(cookie,size) __arm_ioremap((cookie), (size), MT_DEVICE)
#define ioremap_nocache(cookie,size) __arm_ioremap((cookie), (size), MT_DEVICE)
-#define ioremap_cached(cookie,size) __arm_ioremap((cookie), (size), MT_DEVICE_CACHED)
+#define ioremap_cache(cookie,size) __arm_ioremap((cookie), (size), MT_DEVICE_CACHED)
#define ioremap_wc(cookie,size) __arm_ioremap((cookie), (size), MT_DEVICE_WC)
#define iounmap __arm_iounmap
diff --git a/arch/arm/include/asm/mach/map.h b/arch/arm/include/asm/mach/map.h
index 2fe141f..f98c7f3 100644
--- a/arch/arm/include/asm/mach/map.h
+++ b/arch/arm/include/asm/mach/map.h
@@ -22,18 +22,21 @@ struct map_desc {
};
/* types 0-3 are defined in asm/io.h */
-#define MT_UNCACHED 4
-#define MT_CACHECLEAN 5
-#define MT_MINICLEAN 6
-#define MT_LOW_VECTORS 7
-#define MT_HIGH_VECTORS 8
-#define MT_MEMORY 9
-#define MT_ROM 10
-#define MT_MEMORY_NONCACHED 11
-#define MT_MEMORY_DTCM 12
-#define MT_MEMORY_ITCM 13
-#define MT_MEMORY_SO 14
-#define MT_MEMORY_DMA_READY 15
+enum {
+ MT_UNCACHED = 4,
+ MT_CACHECLEAN,
+ MT_MINICLEAN,
+ MT_LOW_VECTORS,
+ MT_HIGH_VECTORS,
+ MT_MEMORY_RWX,
+ MT_MEMORY_RW,
+ MT_ROM,
+ MT_MEMORY_RWX_NONCACHED,
+ MT_MEMORY_RW_DTCM,
+ MT_MEMORY_RWX_ITCM,
+ MT_MEMORY_RW_SO,
+ MT_MEMORY_DMA_READY,
+};
#ifdef CONFIG_MMU
extern void iotable_init(struct map_desc *, int);
diff --git a/arch/arm/include/asm/memory.h b/arch/arm/include/asm/memory.h
index 9ecccc8..8756e4b 100644
--- a/arch/arm/include/asm/memory.h
+++ b/arch/arm/include/asm/memory.h
@@ -100,23 +100,19 @@
#define TASK_UNMAPPED_BASE UL(0x00000000)
#endif
-#ifndef PHYS_OFFSET
-#define PHYS_OFFSET UL(CONFIG_DRAM_BASE)
-#endif
-
#ifndef END_MEM
#define END_MEM (UL(CONFIG_DRAM_BASE) + CONFIG_DRAM_SIZE)
#endif
#ifndef PAGE_OFFSET
-#define PAGE_OFFSET (PHYS_OFFSET)
+#define PAGE_OFFSET PLAT_PHYS_OFFSET
#endif
/*
* The module can be at any place in ram in nommu mode.
*/
#define MODULES_END (END_MEM)
-#define MODULES_VADDR (PHYS_OFFSET)
+#define MODULES_VADDR PAGE_OFFSET
#define XIP_VIRT_ADDR(physaddr) (physaddr)
@@ -157,6 +153,16 @@
#endif
#define ARCH_PGD_MASK ((1 << ARCH_PGD_SHIFT) - 1)
+/*
+ * PLAT_PHYS_OFFSET is the offset (from zero) of the start of physical
+ * memory. This is used for XIP and NoMMU kernels, or by kernels which
+ * have their own mach/memory.h. Assembly code must always use
+ * PLAT_PHYS_OFFSET and not PHYS_OFFSET.
+ */
+#ifndef PLAT_PHYS_OFFSET
+#define PLAT_PHYS_OFFSET UL(CONFIG_PHYS_OFFSET)
+#endif
+
#ifndef __ASSEMBLY__
/*
@@ -239,6 +245,8 @@ static inline unsigned long __phys_to_virt(phys_addr_t x)
#else
+#define PHYS_OFFSET PLAT_PHYS_OFFSET
+
static inline phys_addr_t __virt_to_phys(unsigned long x)
{
return (phys_addr_t)x - PAGE_OFFSET + PHYS_OFFSET;
@@ -251,17 +259,6 @@ static inline unsigned long __phys_to_virt(phys_addr_t x)
#endif
#endif
-#endif /* __ASSEMBLY__ */
-
-#ifndef PHYS_OFFSET
-#ifdef PLAT_PHYS_OFFSET
-#define PHYS_OFFSET PLAT_PHYS_OFFSET
-#else
-#define PHYS_OFFSET UL(CONFIG_PHYS_OFFSET)
-#endif
-#endif
-
-#ifndef __ASSEMBLY__
/*
* PFNs are used to describe any physical page; this means
@@ -350,7 +347,8 @@ static inline __deprecated void *bus_to_virt(unsigned long x)
#define ARCH_PFN_OFFSET PHYS_PFN_OFFSET
#define virt_to_page(kaddr) pfn_to_page(__pa(kaddr) >> PAGE_SHIFT)
-#define virt_addr_valid(kaddr) ((unsigned long)(kaddr) >= PAGE_OFFSET && (unsigned long)(kaddr) < (unsigned long)high_memory)
+#define virt_addr_valid(kaddr) (((unsigned long)(kaddr) >= PAGE_OFFSET && (unsigned long)(kaddr) < (unsigned long)high_memory) \
+ && pfn_valid(__pa(kaddr) >> PAGE_SHIFT) )
#endif
diff --git a/arch/arm/include/asm/pci.h b/arch/arm/include/asm/pci.h
index a98a2e1..680a83e 100644
--- a/arch/arm/include/asm/pci.h
+++ b/arch/arm/include/asm/pci.h
@@ -57,12 +57,9 @@ static inline void pci_dma_burst_advice(struct pci_dev *pdev,
extern int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma,
enum pci_mmap_state mmap_state, int write_combine);
-/*
- * Dummy implementation; always return 0.
- */
static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel)
{
- return 0;
+ return channel ? 15 : 14;
}
#endif /* __KERNEL__ */
diff --git a/arch/arm/include/asm/pgtable-2level.h b/arch/arm/include/asm/pgtable-2level.h
index 86a659a..dfff709 100644
--- a/arch/arm/include/asm/pgtable-2level.h
+++ b/arch/arm/include/asm/pgtable-2level.h
@@ -160,6 +160,7 @@ static inline pmd_t *pmd_offset(pud_t *pud, unsigned long addr)
return (pmd_t *)pud;
}
+#define pmd_large(pmd) (pmd_val(pmd) & 2)
#define pmd_bad(pmd) (pmd_val(pmd) & 2)
#define copy_pmd(pmdpd,pmdps) \
diff --git a/arch/arm/include/asm/pgtable-3level.h b/arch/arm/include/asm/pgtable-3level.h
index 4f95039..03243f7 100644
--- a/arch/arm/include/asm/pgtable-3level.h
+++ b/arch/arm/include/asm/pgtable-3level.h
@@ -142,6 +142,7 @@
PMD_TYPE_TABLE)
#define pmd_sect(pmd) ((pmd_val(pmd) & PMD_TYPE_MASK) == \
PMD_TYPE_SECT)
+#define pmd_large(pmd) pmd_sect(pmd)
#define pud_clear(pudp) \
do { \
diff --git a/arch/arm/include/asm/pgtable.h b/arch/arm/include/asm/pgtable.h
index be956db..7d59b52 100644
--- a/arch/arm/include/asm/pgtable.h
+++ b/arch/arm/include/asm/pgtable.h
@@ -61,7 +61,7 @@ extern void __pgd_error(const char *file, int line, pgd_t);
* mapping to be mapped at. This is particularly important for
* non-high vector CPUs.
*/
-#define FIRST_USER_ADDRESS PAGE_SIZE
+#define FIRST_USER_ADDRESS (PAGE_SIZE * 2)
/*
* Use TASK_SIZE as the ceiling argument for free_pgtables() and
@@ -254,6 +254,8 @@ PTE_BIT_FUNC(mkclean, &= ~L_PTE_DIRTY);
PTE_BIT_FUNC(mkdirty, |= L_PTE_DIRTY);
PTE_BIT_FUNC(mkold, &= ~L_PTE_YOUNG);
PTE_BIT_FUNC(mkyoung, |= L_PTE_YOUNG);
+PTE_BIT_FUNC(mkexec, &= ~L_PTE_XN);
+PTE_BIT_FUNC(mknexec, |= L_PTE_XN);
static inline pte_t pte_mkspecial(pte_t pte) { return pte; }
diff --git a/arch/arm/include/asm/word-at-a-time.h b/arch/arm/include/asm/word-at-a-time.h
index 4d52f92..a6d0a29 100644
--- a/arch/arm/include/asm/word-at-a-time.h
+++ b/arch/arm/include/asm/word-at-a-time.h
@@ -48,10 +48,14 @@ static inline unsigned long find_zero(unsigned long mask)
return ret;
}
-#ifdef CONFIG_DCACHE_WORD_ACCESS
-
#define zero_bytemask(mask) (mask)
+#else /* __ARMEB__ */
+#include <asm-generic/word-at-a-time.h>
+#endif
+
+#ifdef CONFIG_DCACHE_WORD_ACCESS
+
/*
* Load an unaligned word from kernel space.
*
@@ -73,7 +77,11 @@ static inline unsigned long load_unaligned_zeropad(const void *addr)
" bic %2, %2, #0x3\n"
" ldr %0, [%2]\n"
" lsl %1, %1, #0x3\n"
+#ifndef __ARMEB__
" lsr %0, %0, %1\n"
+#else
+ " lsl %0, %0, %1\n"
+#endif
" b 2b\n"
" .popsection\n"
" .pushsection __ex_table,\"a\"\n"
@@ -86,11 +94,5 @@ static inline unsigned long load_unaligned_zeropad(const void *addr)
return ret;
}
-
#endif /* DCACHE_WORD_ACCESS */
-
-#else /* __ARMEB__ */
-#include <asm-generic/word-at-a-time.h>
-#endif
-
#endif /* __ASM_ARM_WORD_AT_A_TIME_H */
diff --git a/arch/arm/include/asm/xen/page.h b/arch/arm/include/asm/xen/page.h
index 75579a9..3759cac 100644
--- a/arch/arm/include/asm/xen/page.h
+++ b/arch/arm/include/asm/xen/page.h
@@ -117,6 +117,6 @@ static inline bool set_phys_to_machine(unsigned long pfn, unsigned long mfn)
return __set_phys_to_machine(pfn, mfn);
}
-#define xen_remap(cookie, size) ioremap_cached((cookie), (size));
+#define xen_remap(cookie, size) ioremap_cache((cookie), (size));
#endif /* _ASM_ARM_XEN_PAGE_H */
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