41,7 → 41,7 |
#include <arch/types.h> |
#include <ddi/irq.h> |
#include <ddi/ddi.h> |
#include <event/event.h> |
#include <ipc/event.h> |
#include <ipc/irq.h> |
#include <arch.h> |
#include <func.h> |
50,12 → 50,14 |
#include <atomic.h> |
#include <syscall/copy.h> |
#include <errno.h> |
#include <string.h> |
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#define KLOG_SIZE PAGE_SIZE |
#define KLOG_PAGES 4 |
#define KLOG_LENGTH (KLOG_PAGES * PAGE_SIZE / sizeof(wchar_t)) |
#define KLOG_LATENCY 8 |
|
/** Kernel log cyclic buffer */ |
static wchar_t klog[KLOG_SIZE] __attribute__ ((aligned (PAGE_SIZE))); |
static wchar_t klog[KLOG_LENGTH] __attribute__ ((aligned (PAGE_SIZE))); |
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/** Kernel log initialized */ |
static bool klog_inited = false; |
93,7 → 95,6 |
void *faddr = (void *) KA2PA(klog); |
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ASSERT((uintptr_t) faddr % FRAME_SIZE == 0); |
ASSERT(KLOG_SIZE % FRAME_SIZE == 0); |
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klog_parea.pbase = (uintptr_t) faddr; |
klog_parea.frames = SIZE2FRAMES(sizeof(klog)); |
100,7 → 101,7 |
ddi_parea_register(&klog_parea); |
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sysinfo_set_item_val("klog.faddr", NULL, (unative_t) faddr); |
sysinfo_set_item_val("klog.pages", NULL, SIZE2FRAMES(sizeof(klog))); |
sysinfo_set_item_val("klog.pages", NULL, KLOG_PAGES); |
|
spinlock_lock(&klog_lock); |
klog_inited = true; |
154,7 → 155,7 |
* @return Character read. |
* |
*/ |
uint8_t _getc(indev_t *indev) |
wchar_t _getc(indev_t *indev) |
{ |
if (atomic_get(&haltstate)) { |
/* If we are here, we are hopefully on the processor that |
178,7 → 179,7 |
waitq_sleep(&indev->wq); |
ipl_t ipl = interrupts_disable(); |
spinlock_lock(&indev->lock); |
uint8_t ch = indev->buffer[(indev->index - indev->counter) % INDEV_BUFLEN]; |
wchar_t ch = indev->buffer[(indev->index - indev->counter) % INDEV_BUFLEN]; |
indev->counter--; |
spinlock_unlock(&indev->lock); |
interrupts_restore(ipl); |
192,7 → 193,7 |
* of newline character. |
* |
* @param indev Input character device. |
* @param buf Buffer where to store string terminated by '\0'. |
* @param buf Buffer where to store string terminated by NULL. |
* @param buflen Size of the buffer. |
* |
* @return Number of characters read. |
200,36 → 201,38 |
*/ |
count_t gets(indev_t *indev, char *buf, size_t buflen) |
{ |
index_t index = 0; |
size_t offset = 0; |
count_t count = 0; |
buf[offset] = 0; |
|
while (index < buflen) { |
char ch = _getc(indev); |
wchar_t ch; |
while ((ch = _getc(indev)) != '\n') { |
if (ch == '\b') { |
if (index > 0) { |
index--; |
/* Space backspace, space */ |
if (count > 0) { |
/* Space, backspace, space */ |
putchar('\b'); |
putchar(' '); |
putchar('\b'); |
|
count--; |
offset = str_lsize(buf, count); |
buf[offset] = 0; |
} |
continue; |
} |
putchar(ch); |
|
if (ch == '\n') { /* end of string => write 0, return */ |
buf[index] = '\0'; |
return (count_t) index; |
} |
buf[index++] = ch; |
if (chr_encode(ch, buf, &offset, buflen - 1) == EOK) { |
putchar(ch); |
count++; |
buf[offset] = 0; |
} |
} |
|
return (count_t) index; |
return count; |
} |
|
/** Get character from input device & echo it to screen */ |
uint8_t getc(indev_t *indev) |
wchar_t getc(indev_t *indev) |
{ |
uint8_t ch = _getc(indev); |
wchar_t ch = _getc(indev); |
putchar(ch); |
return ch; |
} |
254,16 → 257,16 |
/* Print charaters stored in kernel log */ |
index_t i; |
for (i = klog_len - klog_stored; i < klog_len; i++) |
stdout->op->write(stdout, klog[(klog_start + i) % KLOG_SIZE], silent); |
stdout->op->write(stdout, klog[(klog_start + i) % KLOG_LENGTH], silent); |
klog_stored = 0; |
} |
|
/* Store character in the cyclic kernel log */ |
klog[(klog_start + klog_len) % KLOG_SIZE] = ch; |
if (klog_len < KLOG_SIZE) |
klog[(klog_start + klog_len) % KLOG_LENGTH] = ch; |
if (klog_len < KLOG_LENGTH) |
klog_len++; |
else |
klog_start = (klog_start + 1) % KLOG_SIZE; |
klog_start = (klog_start + 1) % KLOG_LENGTH; |
|
if ((stdout) && (stdout->op->write)) |
stdout->op->write(stdout, ch, silent); |
295,25 → 298,25 |
* Print to kernel log. |
* |
*/ |
unative_t sys_klog(int fd, const void * buf, size_t count) |
unative_t sys_klog(int fd, const void *buf, size_t size) |
{ |
char *data; |
int rc; |
|
if (count > PAGE_SIZE) |
if (size > PAGE_SIZE) |
return ELIMIT; |
|
if (count > 0) { |
data = (char *) malloc(count + 1, 0); |
if (size > 0) { |
data = (char *) malloc(size + 1, 0); |
if (!data) |
return ENOMEM; |
|
rc = copy_from_uspace(data, buf, count); |
rc = copy_from_uspace(data, buf, size); |
if (rc) { |
free(data); |
return rc; |
} |
data[count] = 0; |
data[size] = 0; |
|
printf("%s", data); |
free(data); |
320,7 → 323,7 |
} else |
klog_update(); |
|
return count; |
return size; |
} |
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/** @} |