Code-base clean-up and refactoring (#47)

[lunaix-os.git] / lunaix-os / arch / x86 / includes / sys / muldiv64.h

diff --git a/lunaix-os/arch/x86/includes/sys/muldiv64.h b/lunaix-os/arch/x86/includes/sys/muldiv64.h
deleted file mode 100644 (file)
index c575685..0000000
--- a/lunaix-os/arch/x86/includes/sys/muldiv64.h
+++ /dev/null
@@ -1,51 +0,0 @@
-#ifndef __LUNAIX_MULDIV64_H
-#define __LUNAIX_MULDIV64_H
-
-#include <lunaix/spike.h>
-#include <lunaix/types.h>
-
-#ifdef CONFIG_ARCH_I386
-#define do_udiv64(n, base)                                                     \
-    ({                                                                         \
-        unsigned long __upper, __low, __high, __mod, __base;                   \
-        __base = (base);                                                       \
-        if (__builtin_constant_p(__base) && is_pot(__base)) {                  \
-            __mod = n & (__base - 1);                                          \
-            n >>= ilog2(__base);                                               \
-        } else {                                                               \
-            asm("" : "=a"(__low), "=d"(__high) : "A"(n));                      \
-            __upper = __high;                                                  \
-            if (__high) {                                                      \
-                __upper = __high % (__base);                                   \
-                __high = __high / (__base);                                    \
-            }                                                                  \
-            asm("divl %2"                                                      \
-                : "=a"(__low), "=d"(__mod)                                     \
-                : "rm"(__base), "0"(__low), "1"(__upper));                     \
-            asm("" : "=A"(n) : "a"(__low), "d"(__high));                       \
-        }                                                                      \
-        __mod;                                                                 \
-    })
-#else
-    #define do_udiv64(n, base)  \
-        ({                      \
-            n = (n) / (base);   \
-            (n) % (base);       \
-        })
-#endif
-
-static inline u64_t
-udiv64(u64_t n, unsigned int base)
-{
-    do_udiv64(n, base);
-
-    return n;
-}
-
-static inline unsigned int
-umod64(u64_t n, unsigned int base)
-{
-    return do_udiv64(n, base);
-}
-
-#endif /* __LUNAIX_MULDIV64_H */