Subversion Repositories HelenOS

Rev

Rev 4343 | Rev 4346 | Go to most recent revision | Show entire file | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed

Rev 4343 Rev 4344
Line 49... Line 49...
49 
#include <atomic.h>
 49 
#include <atomic.h>
50 
 
 50 
 
51 
#define KLOG_SIZE PAGE_SIZE
 51 
#define KLOG_SIZE PAGE_SIZE
52 
#define KLOG_LATENCY 8
 52 
#define KLOG_LATENCY 8
53 
 
 53 
 
54 
/**< Kernel log cyclic buffer */
 54 
/** Kernel log cyclic buffer */
55 
static char klog[KLOG_SIZE] __attribute__ ((aligned (PAGE_SIZE)));
 55 
static char klog[KLOG_SIZE] __attribute__ ((aligned (PAGE_SIZE)));
56 
 
 56 
 
57 
/**< Kernel log initialized */
 57 
/** Kernel log initialized */
58 
static bool klog_inited = false;
 58 
static bool klog_inited = false;
59 
/**< First kernel log characters */
 59 
/** First kernel log characters */
60 
static index_t klog_start = 0;
 60 
static index_t klog_start = 0;
61 
/**< Number of valid kernel log characters */
 61 
/** Number of valid kernel log characters */
62 
static size_t klog_len = 0;
 62 
static size_t klog_len = 0;
63 
/**< Number of stored (not printed) kernel log characters */
 63 
/** Number of stored (not printed) kernel log characters */
64 
static size_t klog_stored = 0;
 64 
static size_t klog_stored = 0;
65 
/**< Number of stored kernel log characters for uspace */
 65 
/** Number of stored kernel log characters for uspace */
66 
static size_t klog_uspace = 0;
 66 
static size_t klog_uspace = 0;
67 
 
 67 
 
68 
/**< Silent output */
 68 
/** Silence output */
69 
static bool silent = false;
 69 
bool silent = false;
70 
 
 70 
 
71 
/**< Kernel log spinlock */
 71 
/** Kernel log spinlock */
72 
SPINLOCK_INITIALIZE(klog_lock);
 72 
SPINLOCK_INITIALIZE(klog_lock);
73 
 
 73 
 
74 
/** Physical memory area used for klog buffer */
 74 
/** Physical memory area used for klog buffer */
75 
static parea_t klog_parea;
 75 
static parea_t klog_parea;
76 
 
 76 
 
Line 99... Line 99...
99 
 *
 99 
 *
100 
 * This is not a real IRQ, so we always decline.
 100 
 * This is not a real IRQ, so we always decline.
101 
 *
 101 
 *
102 
 * @return Always returns IRQ_DECLINE.
 102 
 * @return Always returns IRQ_DECLINE.
103 
 */
 103 
 */
104 
static irq_ownership_t klog_claim(void *instance)
 104 
static irq_ownership_t klog_claim(irq_t *irq)
105 
{
 105 
{
106 
    return IRQ_DECLINE;
 106 
    return IRQ_DECLINE;
107 
}
 107 
}
108 
 
 108 
 
109 
/** Standard input character device */
 109 
/** Standard input character device */