Changeset c2efbb4 in mainline for kernel/arch/amd64/include


Ignore:
Timestamp:
2010-02-20T20:54:53Z (16 years ago)
Author:
Pavel Rimsky <pavel@…>
Branches:
lfn, master, serial, ticket/834-toolchain-update, topic/fix-logger-deadlock, topic/msim-upgrade, topic/simplify-dev-export
Children:
721d4e85, 95c4776
Parents:
f516bc2 (diff), b03a666 (diff)
Note: this is a merge changeset, the changes displayed below correspond to the merge itself.
Use the (diff) links above to see all the changes relative to each parent.
Message:

Synchronize with head.

Location:
kernel/arch/amd64/include
Files:
4 edited

Legend:

Unmodified
Added
Removed
  • kernel/arch/amd64/include/atomic.h

    rf516bc2 rc2efbb4  
    4040#include <preemption.h>
    4141
    42 static inline void atomic_inc(atomic_t *val) {
     42static inline void atomic_inc(atomic_t *val)
     43{
    4344#ifdef CONFIG_SMP
    4445        asm volatile (
     
    5455}
    5556
    56 static inline void atomic_dec(atomic_t *val) {
     57static inline void atomic_dec(atomic_t *val)
     58{
    5759#ifdef CONFIG_SMP
    5860        asm volatile (
     
    6870}
    6971
    70 static inline long atomic_postinc(atomic_t *val)
     72static inline atomic_count_t atomic_postinc(atomic_t *val)
    7173{
    72         long r = 1;
     74        atomic_count_t r = 1;
    7375       
    7476        asm volatile (
    7577                "lock xaddq %[r], %[count]\n"
    76                 : [count] "+m" (val->count), [r] "+r" (r)
     78                : [count] "+m" (val->count),
     79                  [r] "+r" (r)
    7780        );
    7881       
     
    8083}
    8184
    82 static inline long atomic_postdec(atomic_t *val)
     85static inline atomic_count_t atomic_postdec(atomic_t *val)
    8386{
    84         long r = -1;
     87        atomic_count_t r = -1;
    8588       
    8689        asm volatile (
    8790                "lock xaddq %[r], %[count]\n"
    88                 : [count] "+m" (val->count), [r] "+r" (r)
     91                : [count] "+m" (val->count),
     92                  [r] "+r" (r)
    8993        );
    9094       
     
    9599#define atomic_predec(val)  (atomic_postdec(val) - 1)
    96100
    97 static inline uint64_t test_and_set(atomic_t *val) {
    98         uint64_t v;
     101static inline atomic_count_t test_and_set(atomic_t *val)
     102{
     103        atomic_count_t v;
    99104       
    100105        asm volatile (
    101106                "movq $1, %[v]\n"
    102107                "xchgq %[v], %[count]\n"
    103                 : [v] "=r" (v), [count] "+m" (val->count)
     108                : [v] "=r" (v),
     109                  [count] "+m" (val->count)
    104110        );
    105111       
     
    107113}
    108114
    109 
    110115/** amd64 specific fast spinlock */
    111116static inline void atomic_lock_arch(atomic_t *val)
    112117{
    113         uint64_t tmp;
     118        atomic_count_t tmp;
    114119       
    115120        preemption_disable();
     
    125130                "testq %[tmp], %[tmp]\n"
    126131                "jnz 0b\n"
    127                 : [count] "+m" (val->count), [tmp] "=&r" (tmp)
     132                : [count] "+m" (val->count),
     133                  [tmp] "=&r" (tmp)
    128134        );
     135       
    129136        /*
    130137         * Prevent critical section code from bleeding out this way up.
  • kernel/arch/amd64/include/interrupt.h

    rf516bc2 rc2efbb4  
    5454#define IRQ_PIC_SPUR            7
    5555#define IRQ_MOUSE               12
     56#define IRQ_DP8390              9
    5657
    5758/* this one must have four least significant bits set to ones */
  • kernel/arch/amd64/include/memstr.h

    rf516bc2 rc2efbb4  
    2727 */
    2828
    29 /** @addtogroup amd64   
     29/** @addtogroup amd64
    3030 * @{
    3131 */
     
    3838#define memcpy(dst, src, cnt)  __builtin_memcpy((dst), (src), (cnt))
    3939
    40 extern void memsetw(void *dst, size_t cnt, uint16_t x);
    41 extern void memsetb(void *dst, size_t cnt, uint8_t x);
    42 
    43 extern int memcmp(const void *a, const void *b, size_t cnt);
     40extern void memsetw(void *, size_t, uint16_t);
     41extern void memsetb(void *, size_t, uint8_t);
    4442
    4543#endif
  • kernel/arch/amd64/include/types.h

    rf516bc2 rc2efbb4  
    5555typedef uint64_t unative_t;
    5656typedef int64_t native_t;
     57typedef uint64_t atomic_count_t;
    5758
    5859typedef struct {
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