lost pixlib sources

git-svn-id: svn://kolibrios.org@882 a494cfbc-eb01-0410-851d-a64ba20cac60

programs/develop/libraries/pixlib/system.h

@@ -0,0 +1,129 @@
+
+
+typedef struct
+{
+  unsigned      handle;
+  unsigned      io_code;
+  void          *input;
+  int           inp_size;
+  void          *output;
+  int           out_size;
+}ioctl_t;
+
+
+#define ERR_OK       0
+#define ERR_PARAM   -1
+#define ERR_NOMEM   -2
+
+
+///////////////////////////////////////////////////////////////////////////////
+
+
+void usleep(u32_t delay);
+
+static int __attribute__ ((always_inline))
+abs (int i)
+{
+  return i < 0 ? -i : i;
+};
+
+
+extern inline u32_t get_service(char *name)
+{
+  u32_t retval;
+  asm("int $0x40"
+      :"=a"(retval)
+      :"a"(68),"b"(16),"c"(name));
+
+  return retval;
+};
+
+extern inline u32_t load_service(char *name)
+{
+  u32_t retval;
+  asm("int $0x40"
+      :"=a"(retval)
+      :"a"(68),"b"(21),"c"(name));
+
+  return retval;
+};
+
+extern inline int call_service(ioctl_t *io)
+{
+  int retval;
+
+  asm("int $0x40"
+      :"=a"(retval)
+      :"a"(68),"b"(17),"c"(io)
+      :"memory");
+
+  return retval;
+};
+
+extern inline void* UserAlloc(size_t size)
+{
+  void *retval;
+
+  asm("int $0x40"
+      :"=a"(retval)
+      :"a"(68),"b"(12),"c"(size)
+      :"memory");
+  return retval;
+}
+
+extern inline void UserFree(void *mem)
+{
+     __asm__ __volatile__(
+     "int $0x40"
+     ::"a"(68),"b"(13),"c"(mem)
+     :"memory");
+}
+
+extern inline int GetScreenSize()
+{
+     int retval;
+
+     __asm__ __volatile__(
+     "int $0x40"
+     :"=a"(retval)
+     :"a"(61), "b"(1));
+     return retval;
+}
+
+extern inline int GetScreenBpp()
+{
+     int retval;
+
+     __asm__ __volatile__(
+     "int $0x40"
+     :"=a"(retval)
+     :"a"(61), "b"(2));
+     return retval;
+}
+
+extern inline int GetScreenPitch()
+{
+     int retval;
+
+     __asm__ __volatile__(
+     "int $0x40"
+     :"=a"(retval)
+     :"a"(61), "b"(3));
+     return retval;
+}
+
+extern inline int test_mmx()
+{
+     int retval;
+
+     __asm__ __volatile__(
+     "cpuid\n\t"
+     "testl $23, %%edx\n\t"
+     "setnzb %%al\n\t"
+     "movzx %%al, %%eax"
+     :"=a"(retval)
+     :"a"(0)
+     :"ebx","ecx","edx");
+
+     return retval;
+}