Changes in kernel/generic/src/log/log.c [690ad20:28a5ebd] in mainline
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kernel/generic/src/log/log.c
r690ad20 r28a5ebd 33 33 */ 34 34 35 #include < abi/log.h>36 #include < arch.h>37 #include < atomic.h>38 #include < console/console.h>35 #include <sysinfo/sysinfo.h> 36 #include <synch/spinlock.h> 37 #include <typedefs.h> 38 #include <ddi/irq.h> 39 39 #include <ddi/ddi.h> 40 #include <ddi/irq.h>41 #include <errno.h>42 40 #include <ipc/event.h> 43 41 #include <ipc/irq.h> 42 #include <arch.h> 43 #include <panic.h> 44 #include <putchar.h> 45 #include <atomic.h> 46 #include <syscall/copy.h> 47 #include <errno.h> 48 #include <str.h> 49 #include <print.h> 50 #include <printf/printf_core.h> 51 #include <stdarg.h> 44 52 #include <log.h> 45 #include <panic.h> 46 #include <print.h> 47 #include <printf_core.h> 48 #include <stdarg.h> 53 #include <console/console.h> 54 #include <abi/log.h> 49 55 #include <stdlib.h> 50 #include <str.h>51 #include <synch/spinlock.h>52 #include <syscall/copy.h>53 #include <sysinfo/sysinfo.h>54 #include <typedefs.h>55 56 56 57 #define LOG_PAGES 8 … … 59 60 60 61 /** Cyclic buffer holding the data for kernel log */ 61 staticuint8_t log_buffer[LOG_LENGTH] __attribute__((aligned(PAGE_SIZE)));62 uint8_t log_buffer[LOG_LENGTH] __attribute__((aligned(PAGE_SIZE))); 62 63 63 64 /** Kernel log initialized */ … … 65 66 66 67 /** Position in the cyclic buffer where the first log entry starts */ 67 s tatic size_t log_start = 0;68 size_t log_start = 0; 68 69 69 70 /** Sum of length of all log entries currently stored in the cyclic buffer */ 70 s tatic size_t log_used = 0;71 size_t log_used = 0; 71 72 72 73 /** Log spinlock */ 73 static IRQ_SPINLOCK_INITIALIZE(log_lock);74 SPINLOCK_STATIC_INITIALIZE_NAME(log_lock, "log_lock"); 74 75 75 76 /** Overall count of logged messages, which may overflow as needed */ … … 150 151 void log_begin(log_facility_t fac, log_level_t level) 151 152 { 152 console_lock(); 153 irq_spinlock_lock(&log_lock, true); 154 irq_spinlock_lock(&kio_lock, true); 153 spinlock_lock(&log_lock); 154 spinlock_lock(&kio_lock); 155 155 156 156 log_current_start = (log_start + log_used) % LOG_LENGTH; … … 178 178 log_used += log_current_len; 179 179 180 kio_push_ bytes("\n", 1);181 irq_spinlock_unlock(&kio_lock, true);182 irq_spinlock_unlock(&log_lock, true);180 kio_push_char('\n'); 181 spinlock_unlock(&kio_lock); 182 spinlock_unlock(&log_lock); 183 183 184 184 /* This has to be called after we released the locks above */ … … 186 186 kio_update(NULL); 187 187 log_update(NULL); 188 console_unlock();189 188 } 190 189 … … 194 193 return; 195 194 196 irq_spinlock_lock(&log_lock, true);195 spinlock_lock(&log_lock); 197 196 if (next_for_uspace < log_used) 198 197 event_notify_0(EVENT_KLOG, true); 199 irq_spinlock_unlock(&log_lock, true);198 spinlock_unlock(&log_lock); 200 199 } 201 200 202 201 static int log_printf_str_write(const char *str, size_t size, void *data) 203 202 { 204 kio_push_bytes(str, size); 203 size_t offset = 0; 204 size_t chars = 0; 205 206 while (offset < size) { 207 kio_push_char(str_decode(str, &offset, size)); 208 chars++; 209 } 210 205 211 log_append((const uint8_t *)str, size); 206 return EOK; 212 213 return chars; 214 } 215 216 static int log_printf_wstr_write(const char32_t *wstr, size_t size, void *data) 217 { 218 char buffer[16]; 219 size_t offset = 0; 220 size_t chars = 0; 221 222 for (offset = 0; offset < size; offset += sizeof(char32_t), chars++) { 223 kio_push_char(wstr[chars]); 224 225 size_t buffer_offset = 0; 226 errno_t rc = chr_encode(wstr[chars], buffer, &buffer_offset, 16); 227 if (rc != EOK) { 228 return EOF; 229 } 230 231 log_append((const uint8_t *)buffer, buffer_offset); 232 } 233 234 return chars; 207 235 } 208 236 … … 213 241 int log_vprintf(const char *fmt, va_list args) 214 242 { 243 int ret; 244 215 245 printf_spec_t ps = { 216 246 log_printf_str_write, 247 log_printf_wstr_write, 217 248 NULL 218 249 }; 219 250 220 return printf_core(fmt, &ps, args); 251 ret = printf_core(fmt, &ps, args); 252 253 return ret; 221 254 } 222 255 … … 301 334 rc = EOK; 302 335 303 irq_spinlock_lock(&log_lock, true);336 spinlock_lock(&log_lock); 304 337 305 338 while (next_for_uspace < log_used) { … … 331 364 } 332 365 333 irq_spinlock_unlock(&log_lock, true);366 spinlock_unlock(&log_lock); 334 367 335 368 if (rc != EOK) {
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