feat: (device) dev_null and dev_rand support

[lunaix-os.git] / lunaix-os / kernel / kprintf.c

diff --git a/lunaix-os/kernel/kprintf.c b/lunaix-os/kernel/kprintf.c
index af47a8abae297a857d19405b775c75215fb0febd..91646e9e51d281b4c50551180abce74de2dedaff 100644 (file)
--- a/lunaix-os/kernel/kprintf.c
+++ b/lunaix-os/kernel/kprintf.c
@@ -1,5 +1,7 @@
 #include <klibc/stdio.h>
 #include <lunaix/lxconsole.h>
+#include <lunaix/spike.h>
+#include <lunaix/syscall.h>
 #include <lunaix/syslog.h>
 #include <lunaix/tty/tty.h>
 
@@ -7,69 +9,63 @@
 #define MAX_XFMT_SIZE 512
 
 void
-__kprintf(const char* component, const char* fmt, va_list args)
+__kprintf_internal(const char* component,
+                   int log_level,
+                   const char* fmt,
+                   va_list args)
 {
     char buf[MAX_KPRINTF_BUF_SIZE];
-    if (!fmt)
-        return;
-    char log_level = '0';
     char expanded_fmt[MAX_XFMT_SIZE];
 
-    if (*fmt == '\x1b') {
-        log_level = *(++fmt);
-        fmt++;
-    }
-
     switch (log_level) {
-        case '0':
-            snprintf(expanded_fmt,
-                     MAX_XFMT_SIZE,
-                     "[%s] (%s) %s",
-                     "INFO",
-                     component,
-                     fmt);
-            break;
-        case '1':
+        case 1:
             // tty_set_theme(VGA_COLOR_BROWN, current_theme >> 12);
-            snprintf(expanded_fmt,
-                     MAX_XFMT_SIZE,
-                     "\033[6;0m[%s] (%s) %s\033[39;49m",
-                     "WARN",
-                     component,
-                     fmt);
+            ksnprintf(expanded_fmt,
+                      MAX_XFMT_SIZE,
+                      "\033[6;0mW %s: %s\033[39;49m",
+                      component,
+                      fmt);
             break;
-        case '2':
+        case 2:
             // tty_set_theme(VGA_COLOR_LIGHT_RED, current_theme >> 12);
-            snprintf(expanded_fmt,
-                     MAX_XFMT_SIZE,
-                     "\033[12;0m[%s] (%s) %s\033[39;49m",
-                     "EROR",
-                     component,
-                     fmt);
+            ksnprintf(expanded_fmt,
+                      MAX_XFMT_SIZE,
+                      "\033[12;0mE %s: %s\033[39;49m",
+                      component,
+                      fmt);
             break;
-        case '3':
+        case 3:
             // tty_set_theme(VGA_COLOR_LIGHT_BLUE, current_theme >> 12);
-            snprintf(expanded_fmt,
-                     MAX_XFMT_SIZE,
-                     "\033[9;0m[%s] (%s) %s\033[39;49m",
-                     "DEBG",
-                     component,
-                     fmt);
+            ksnprintf(expanded_fmt,
+                      MAX_XFMT_SIZE,
+                      "\033[9;0mD %s: %s\033[39;49m",
+                      component,
+                      fmt);
             break;
         default:
-            snprintf(expanded_fmt,
-                     MAX_XFMT_SIZE,
-                     "[%s] (%s) %s",
-                     "LOG",
-                     component,
-                     fmt);
+            ksnprintf(expanded_fmt, MAX_XFMT_SIZE, "- %s: %s", component, fmt);
             break;
     }
 
-    __sprintf_internal(buf, expanded_fmt, MAX_KPRINTF_BUF_SIZE, args);
+    __ksprintf_internal(buf, expanded_fmt, MAX_KPRINTF_BUF_SIZE, args);
     console_write_str(buf);
 }
 
+void
+__kprintf(const char* component, const char* fmt, va_list args)
+{
+    if (!fmt)
+        return;
+    char log_level = '0';
+
+    if (*fmt == '\x1b') {
+        log_level = *(++fmt);
+        fmt++;
+    }
+
+    __kprintf_internal(component, log_level - '0', fmt, args);
+}
+
 void
 kprint_panic(const char* fmt, ...)
 {
@@ -80,8 +76,57 @@ kprint_panic(const char* fmt, ...)
     tty_set_theme(VGA_COLOR_WHITE, VGA_COLOR_RED);
     tty_clear_line(24);
 
-    __sprintf_internal(buf, fmt, MAX_KPRINTF_BUF_SIZE, args);
+    __ksprintf_internal(buf, fmt, MAX_KPRINTF_BUF_SIZE, args);
     tty_put_str_at(buf, 0, 24);
 
     va_end(args);
+}
+
+void
+kprint_dbg(const char* fmt, ...)
+{
+    char buf[MAX_KPRINTF_BUF_SIZE];
+    va_list args;
+    va_start(args, fmt);
+
+    tty_set_theme(VGA_COLOR_WHITE, VGA_COLOR_MAGENTA);
+    tty_clear_line(24);
+
+    __ksprintf_internal(buf, fmt, MAX_KPRINTF_BUF_SIZE, args);
+    tty_put_str_at(buf, 0, 24);
+
+    va_end(args);
+
+    tty_set_theme(VGA_COLOR_WHITE, VGA_COLOR_BLACK);
+}
+
+void
+kprint_hex(const void* buffer, unsigned int size)
+{
+    unsigned char* data = (unsigned char*)buffer;
+    char buf[16];
+    char ch_cache[16];
+    unsigned int ptr = 0;
+    int i;
+
+    ch_cache[0] = '|';
+    ch_cache[1] = ' ';
+    while (size) {
+        ksnprintf(buf, 64, " %.4p: ", ptr);
+        console_write_str(buf);
+        for (i = 0; i < 8 && size; i++, size--, ptr++) {
+            unsigned char c = *(data + ptr) & 0xff;
+            ch_cache[2 + i] = (32 <= c && c < 127) ? c : '.';
+            ksnprintf(buf, 64, "%.2x  ", c);
+            console_write_str(buf);
+        }
+        ch_cache[2 + i] = '\0';
+        console_write_str(ch_cache);
+        console_write_char('\n');
+    }
+}
+
+__DEFINE_LXSYSCALL3(void, syslog, int, level, const char*, fmt, va_list, args)
+{
+    __kprintf_internal("syslog", level, fmt, args);
 }
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