fix: load x87 fpu default settings

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

diff --git a/lunaix-os/kernel/kprintf.c b/lunaix-os/kernel/kprintf.c
index 374fff2993c8f6ef35376883f0a3e5265db18b3d..fd005c09b9295f23b33ea737df3dc4612af118fc 100644 (file)
--- a/lunaix-os/kernel/kprintf.c
+++ b/lunaix-os/kernel/kprintf.c
@@ -3,14 +3,13 @@
 #include <lunaix/syslog.h>
 #include <lunaix/tty/tty.h>
 
-#define MAX_KPRINTF_BUF_SIZE 1024
-#define MAX_XFMT_SIZE 1024
-
-static char buf[MAX_KPRINTF_BUF_SIZE];
+#define MAX_KPRINTF_BUF_SIZE 512
+#define MAX_XFMT_SIZE 512
 
 void
 __kprintf(const char* component, const char* fmt, va_list args)
 {
+    char buf[MAX_KPRINTF_BUF_SIZE];
     if (!fmt)
         return;
     char log_level = '0';
@@ -23,67 +22,92 @@ __kprintf(const char* component, const char* fmt, va_list args)
 
     switch (log_level) {
         case '0':
-            snprintf(expanded_fmt,
-                     MAX_XFMT_SIZE,
-                     "[%s] (%s) %s",
-                     "INFO",
-                     component,
-                     fmt);
+            ksnprintf(expanded_fmt,
+                      MAX_XFMT_SIZE,
+                      "[%s] (%s) %s",
+                      "INFO",
+                      component,
+                      fmt);
             break;
         case '1':
             // tty_set_theme(VGA_COLOR_BROWN, current_theme >> 12);
-            snprintf(expanded_fmt,
-                     MAX_XFMT_SIZE,
-                     "\x033[6;0m[%s] (%s) %s\x033[39;49m",
-                     "WARN",
-                     component,
-                     fmt);
+            ksnprintf(expanded_fmt,
+                      MAX_XFMT_SIZE,
+                      "\033[6;0m[%s] (%s) %s\033[39;49m",
+                      "WARN",
+                      component,
+                      fmt);
             break;
         case '2':
             // tty_set_theme(VGA_COLOR_LIGHT_RED, current_theme >> 12);
-            snprintf(expanded_fmt,
-                     MAX_XFMT_SIZE,
-                     "\x033[12;0m[%s] (%s) %s\x033[39;49m",
-                     "EROR",
-                     component,
-                     fmt);
+            ksnprintf(expanded_fmt,
+                      MAX_XFMT_SIZE,
+                      "\033[12;0m[%s] (%s) %s\033[39;49m",
+                      "EROR",
+                      component,
+                      fmt);
             break;
         case '3':
             // tty_set_theme(VGA_COLOR_LIGHT_BLUE, current_theme >> 12);
-            snprintf(expanded_fmt,
-                     MAX_XFMT_SIZE,
-                     "\x033[9;0m[%s] (%s) %s\x033[39;49m",
-                     "DEBG",
-                     component,
-                     fmt);
+            ksnprintf(expanded_fmt,
+                      MAX_XFMT_SIZE,
+                      "\033[9;0m[%s] (%s) %s\033[39;49m",
+                      "DEBG",
+                      component,
+                      fmt);
             break;
         default:
-            snprintf(expanded_fmt,
-                     MAX_XFMT_SIZE,
-                     "[%s] (%s) %s",
-                     "LOG",
-                     component,
-                     fmt);
+            ksnprintf(expanded_fmt,
+                      MAX_XFMT_SIZE,
+                      "[%s] (%s) %s",
+                      "LOG",
+                      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
 kprint_panic(const char* fmt, ...)
 {
+    char buf[MAX_KPRINTF_BUF_SIZE];
     va_list args;
     va_start(args, fmt);
 
     tty_set_theme(VGA_COLOR_WHITE, VGA_COLOR_RED);
-    tty_clear_line(10);
-    tty_clear_line(11);
-    tty_clear_line(12);
+    tty_clear_line(24);
 
-    __sprintf_internal(buf, fmt, MAX_KPRINTF_BUF_SIZE, args);
-    tty_put_str_at(buf, 0, 11);
+    __ksprintf_internal(buf, fmt, MAX_KPRINTF_BUF_SIZE, args);
+    tty_put_str_at(buf, 0, 24);
 
     va_end(args);
+}
+
+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');
+    }
 }
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