Changes in kernel/generic/src/console/console.c [712c4ba:97d42d5] in mainline
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kernel/generic/src/console/console.c
r712c4ba r97d42d5 60 60 61 61 /** Kernel log initialized */ 62 static atomic_t klog_inited = {false};62 static bool klog_inited = false; 63 63 64 64 /** First kernel log characters */ … … 75 75 76 76 /** Kernel log spinlock */ 77 SPINLOCK_STATIC_INITIALIZE_NAME(klog_lock, " klog_lock");77 SPINLOCK_STATIC_INITIALIZE_NAME(klog_lock, "*klog_lock"); 78 78 79 79 /** Physical memory area used for klog buffer */ … … 166 166 167 167 event_set_unmask_callback(EVENT_KLOG, klog_update); 168 atomic_set(&klog_inited, true); 168 169 spinlock_lock(&klog_lock); 170 klog_inited = true; 171 spinlock_unlock(&klog_lock); 169 172 } 170 173 … … 261 264 void klog_update(void) 262 265 { 263 if (!atomic_get(&klog_inited))264 return;265 266 266 spinlock_lock(&klog_lock); 267 267 268 if ( klog_uspace > 0) {268 if ((klog_inited) && (klog_uspace > 0)) { 269 269 if (event_notify_3(EVENT_KLOG, true, klog_start, klog_len, 270 270 klog_uspace) == EOK) … … 277 277 void putchar(const wchar_t ch) 278 278 { 279 bool ordy = ((stdout) && (stdout->op->write));280 281 279 spinlock_lock(&klog_lock); 282 280 283 /* Print charaters stored in kernel log */ 284 if (ordy) { 285 while (klog_stored > 0) { 286 wchar_t tmp = klog[(klog_start + klog_len - klog_stored) % KLOG_LENGTH]; 287 klog_stored--; 288 289 /* 290 * We need to give up the spinlock for 291 * the physical operation of writting out 292 * the character. 293 */ 294 spinlock_unlock(&klog_lock); 295 stdout->op->write(stdout, tmp, silent); 296 spinlock_lock(&klog_lock); 297 } 281 if ((klog_stored > 0) && (stdout) && (stdout->op->write)) { 282 /* Print charaters stored in kernel log */ 283 size_t i; 284 for (i = klog_len - klog_stored; i < klog_len; i++) 285 stdout->op->write(stdout, klog[(klog_start + i) % KLOG_LENGTH], silent); 286 klog_stored = 0; 298 287 } 299 288 … … 305 294 klog_start = (klog_start + 1) % KLOG_LENGTH; 306 295 307 if (!ordy) { 308 if (klog_stored < klog_len) 309 klog_stored++; 310 } 311 312 /* The character is stored for uspace */ 313 if (klog_uspace < klog_len) 314 klog_uspace++; 315 316 spinlock_unlock(&klog_lock); 317 318 if (ordy) { 319 /* 320 * Output the character. In this case 321 * it should be no longer buffered. 322 */ 296 if ((stdout) && (stdout->op->write)) 323 297 stdout->op->write(stdout, ch, silent); 324 }else {298 else { 325 299 /* 326 300 * No standard output routine defined yet. … … 332 306 * Note that the early_putc() function might be 333 307 * a no-op on certain hardware configurations. 308 * 334 309 */ 335 310 early_putchar(ch); 336 } 311 312 if (klog_stored < klog_len) 313 klog_stored++; 314 } 315 316 /* The character is stored for uspace */ 317 if (klog_uspace < klog_len) 318 klog_uspace++; 319 320 spinlock_unlock(&klog_lock); 337 321 338 322 /* Force notification on newline */
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