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Kernel updates since December 2009

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This commit is contained in:
Bahadir Balban
2010-03-25 01:12:40 +02:00
parent 16818191b3
commit 74b5963fcb
487 changed files with 22477 additions and 3857 deletions
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66
include/l4/glue/arm/memory.h
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@@ -11,35 +11,32 @@
#include INC_SUBARCH(mm.h)
/* Generic definitions */
#define PAGE_SIZE ARM_PAGE_SIZE
#define PAGE_MASK ARM_PAGE_MASK
#define PAGE_BITS ARM_PAGE_BITS
/*
* This defines the largest size defined by this architecture that is
* easily mappable. ARM supports 1MB mappings so it fits well. If it's
* unsupported by the arch then a reasonable size could be 1MB.
*/
#define SECTION_SIZE ARM_SECTION_SIZE
#define SECTION_MASK ARM_SECTION_MASK
#define SECTION_BITS ARM_SECTION_BITS
#define PFN_SHIFT 12
#define PAGE_BITS PFN_SHIFT
#define PAGE_SIZE SZ_4K
#define PAGE_MASK (PAGE_SIZE - 1)
/* Aligns to the upper page (ceiling) FIXME: Must add a wraparound checker. */
#define page_align_up(addr) ((((unsigned int)(addr)) + \
(PAGE_SIZE - 1)) & \
(~PAGE_MASK))
/* Aligns to the lower page (floor) */
#define page_align(addr) (((unsigned int)(addr)) & \
#define page_align_up(addr) ((((unsigned long)(addr)) + PAGE_MASK) & \
(~PAGE_MASK))
#define is_aligned(val, size) (!(((unsigned long)(val)) & ((size) - 1)))
/* Aligns to the lower page (floor) */
#define page_align(addr) (((unsigned long)(addr)) & \
(~PAGE_MASK))
#define is_aligned(val, size) (!(((unsigned long)(val)) & (((unsigned long)size) - 1)))
#define is_page_aligned(val) (!(((unsigned long)(val)) & PAGE_MASK))
#define page_boundary(x) is_page_aligned(x)
/* Align to given size */
#define align(addr, size) (((unsigned int)(addr)) & (~(size-1)))
/*
* Align to given size.
*
* Note it must be an alignable size i.e. one that is a power of two.
* E.g. 0x1000 would work but 0x1010 would not.
*/
#define align(addr, size) (((unsigned int)(addr)) & (~((unsigned long)size-1)))
#define align_up(addr, size) ((((unsigned long)(addr)) + \
((size) - 1)) & (~((size) - 1)))
((size) - 1)) & (~(((unsigned long)size) - 1)))
/* The bytes left until the end of the page that x is in */
#define TILL_PAGE_ENDS(x) (PAGE_SIZE - ((unsigned long)(x) & PAGE_MASK))
@@ -58,6 +55,8 @@
#define BITWISE_GETWORD(x) ((x) >> WORD_BITS_LOG2) /* Divide by 32 */
#define BITWISE_GETBIT(x) (1 << ((x) % WORD_BITS))
/* Minimum stack alignment restriction across functions, exceptions */
#define STACK_ALIGNMENT 8
/* Endianness conversion */
static inline void be32_to_cpu(unsigned int x)
@@ -75,31 +74,6 @@ static inline void be32_to_cpu(unsigned int x)
p[2] = tmp;
}
void paging_init(void);
unsigned int space_flags_to_ptflags(unsigned int flags);
void add_mapping_pgd(unsigned int paddr, unsigned int vaddr,
unsigned int size, unsigned int flags,
pgd_table_t *pgd);
void add_mapping(unsigned int paddr, unsigned int vaddr,
unsigned int size, unsigned int flags);
int remove_mapping(unsigned long vaddr);
int remove_mapping_pgd(unsigned long vaddr, pgd_table_t *pgd);
int remove_mapping_pgd_all_user(pgd_table_t *pgd);
void prealloc_phys_pagedesc(void);
int check_mapping_pgd(unsigned long vaddr, unsigned long size,
unsigned int flags, pgd_table_t *pgd);
int check_mapping(unsigned long vaddr, unsigned long size,
unsigned int flags);
void copy_pgd_kern_all(pgd_table_t *);
pte_t virt_to_pte(unsigned long virtual);
pte_t virt_to_pte_from_pgd(unsigned long virtual, pgd_table_t *pgd);
unsigned long virt_to_phys_by_pgd(unsigned long vaddr, pgd_table_t *pgd);
struct ktcb;
void task_init_registers(struct ktcb *task, unsigned long pc);