Kernel/x86 - Workaround for possibly buggy 64-bit divide/modulo

diff --git a/KernelLand/Kernel/arch/x86/lib.c b/KernelLand/Kernel/arch/x86/lib.c
index b732f75..f862afd 100644 (file)
--- a/KernelLand/Kernel/arch/x86/lib.c
+++ b/KernelLand/Kernel/arch/x86/lib.c
@@ -351,6 +351,10 @@ DEF_DIVMOD(64);
 
 Uint64 DivMod64U(Uint64 Num, Uint64 Div, Uint64 *Rem)
 {
+       if( Div == 16 ) {
+               if(Rem) *Rem = Num & 15;
+               return Num >> 4;
+       }
        if( Div < 0x100000000ULL && Num < 0xFFFFFFFF * Div ) {
                Uint32  rem, ret_32;
                __asm__ __volatile__(