Changeset 6119f24 in mainline for uspace/app/klog/klog.c
- Timestamp:
- 2011-01-29T18:58:24Z (14 years ago)
- Branches:
- lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export
- Children:
- 10477601, 6aef742
- Parents:
- d7533c7
- File:
-
- 1 edited
Legend:
- Unmodified
- Added
- Removed
-
uspace/app/klog/klog.c
rd7533c7 r6119f24 36 36 37 37 #include <stdio.h> 38 #include <ipc/ns.h>39 38 #include <async.h> 40 #include <ipc/services.h>41 39 #include <as.h> 42 #include < sysinfo.h>40 #include <ddi.h> 43 41 #include <event.h> 44 42 #include <errno.h> 45 43 #include <str_error.h> 46 44 #include <io/klog.h> 45 #include <sysinfo.h> 47 46 48 47 #define NAME "klog" … … 79 78 int main(int argc, char *argv[]) 80 79 { 81 klog = service_klog_share_in(&klog_length); 82 if (klog == NULL) { 83 printf("%s: Error accessing to klog\n", NAME); 84 return -1; 80 size_t pages; 81 int rc = sysinfo_get_value("klog.pages", &pages); 82 if (rc != EOK) { 83 fprintf(stderr, "%s: Unable to get number of klog pages\n", 84 NAME); 85 return rc; 85 86 } 86 87 87 if (event_subscribe(EVENT_KLOG, 0) != EOK) { 88 printf("%s: Error registering klog notifications\n", NAME); 89 return -1; 88 uintptr_t faddr; 89 rc = sysinfo_get_value("klog.faddr", &faddr); 90 if (rc != EOK) { 91 fprintf(stderr, "%s: Unable to get klog physical address\n", 92 NAME); 93 return rc; 94 } 95 96 size_t size = pages * PAGE_SIZE; 97 klog_length = size / sizeof(wchar_t); 98 99 klog = (wchar_t *) as_get_mappable_page(size); 100 if (klog == NULL) { 101 fprintf(stderr, "%s: Unable to allocate virtual memory area\n", 102 NAME); 103 return ENOMEM; 104 } 105 106 rc = physmem_map((void *) faddr, (void *) klog, pages, 107 AS_AREA_READ | AS_AREA_CACHEABLE); 108 if (rc != EOK) { 109 fprintf(stderr, "%s: Unable to map klog\n", NAME); 110 return rc; 111 } 112 113 rc = event_subscribe(EVENT_KLOG, 0); 114 if (rc != EOK) { 115 fprintf(stderr, "%s: Unable to register klog notifications\n", 116 NAME); 117 return rc; 90 118 } 91 119
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