X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=Kernel%2Farch%2Fx86%2Flib.c;h=3a70c7540db0afa79f1cf42e8dd8ce2392197732;hb=5e9042e320d0a24d1691bcd6845936879238e812;hp=969332b09e810a2f919c42b12788d108dc4eb6ee;hpb=3764c294f21229bdf700f436fa4884f5e76e0d3a;p=tpg%2Facess2.git diff --git a/Kernel/arch/x86/lib.c b/Kernel/arch/x86/lib.c index 969332b0..3a70c754 100644 --- a/Kernel/arch/x86/lib.c +++ b/Kernel/arch/x86/lib.c @@ -15,6 +15,7 @@ // === IMPRORTS === #if TRACE_LOCKS extern struct sShortSpinlock glDebug_Lock; +extern struct sShortSpinlock glThreadListLock; #endif extern int GetCPUNum(void); @@ -94,6 +95,14 @@ void SHORTLOCK(struct sShortSpinlock *Lock) } #endif + #if TRACE_LOCKS + if( Lock != &glDebug_Lock && Lock != &glThreadListLock ) + { + //Log_Log("LOCK", "%p locked by %p", Lock, __builtin_return_address(0)); + Debug("%p obtaining %p (Called by %p)", __builtin_return_address(0), Lock, __builtin_return_address(1)); + } + #endif + // Wait for another CPU to release while(v) { // CMPXCHG: @@ -124,10 +133,11 @@ void SHORTLOCK(struct sShortSpinlock *Lock) #endif #if TRACE_LOCKS - if( Lock != &glDebug_Lock ) + if( Lock != &glDebug_Lock && Lock != &glThreadListLock ) { //Log_Log("LOCK", "%p locked by %p", Lock, __builtin_return_address(0)); - LogF("Lock %p locked by %p\n", Lock, __builtin_return_address(0)); + //Debug("Lock %p locked by %p\t%p", Lock, __builtin_return_address(0), __builtin_return_address(1)); + Debug("got it"); } #endif } @@ -145,10 +155,10 @@ void SHORTREL(struct sShortSpinlock *Lock) #endif #if TRACE_LOCKS - if( Lock != &glDebug_Lock ) + if( Lock != &glDebug_Lock && Lock != &glThreadListLock ) { //Log_Log("LOCK", "%p released by %p", Lock, __builtin_return_address(0)); - LogF("Lock %p released by %p\n", Lock, __builtin_return_address(0)); + Debug("Lock %p released by %p\t%p", Lock, __builtin_return_address(0), __builtin_return_address(1)); } #endif @@ -178,7 +188,7 @@ int putDebugChar(char ch) outb(GDB_SERIAL_PORT + 3, 0x03); // 8 bits, no parity, one stop bit (8N1) outb(GDB_SERIAL_PORT + 2, 0xC7); // Enable FIFO with 14-byte threshold and clear it outb(GDB_SERIAL_PORT + 4, 0x0B); // IRQs enabled, RTS/DSR set - gbDebug_SerialSetup = 1; + gbGDB_SerialSetup = 1; } while( (inb(GDB_SERIAL_PORT + 5) & 0x20) == 0 ); outb(GDB_SERIAL_PORT, ch); @@ -194,7 +204,7 @@ int getDebugChar(void) outb(GDB_SERIAL_PORT + 3, 0x03); // 8 bits, no parity, one stop bit outb(GDB_SERIAL_PORT + 2, 0xC7); // Enable FIFO with 14-byte threshold and clear it outb(GDB_SERIAL_PORT + 4, 0x0B); // IRQs enabled, RTS/DSR set - gbDebug_SerialSetup = 1; + gbGDB_SerialSetup = 1; } while( (inb(GDB_SERIAL_PORT + 5) & 1) == 0) ; return inb(GDB_SERIAL_PORT); @@ -333,6 +343,25 @@ void *memcpyd(void *Dest, const void *Src, size_t Num) return Dest; } +Uint64 DivMod64U(Uint64 Num, Uint64 Div, Uint64 *Rem) +{ + Uint64 ret; + if( Div < 0x100000000ULL && Num < 0xFFFFFFFF * Div ) { + Uint32 rem, ret_32; + __asm__ __volatile__( + "div %4" + : "=a" (ret_32), "=d" (rem) + : "a" ( (Uint32)(Num & 0xFFFFFFFF) ), "d" ((Uint32)(Num >> 32)), "r" (Div) + ); + if(Rem) *Rem = rem; + return ret_32; + } + + ret = __udivdi3(Num, Div); + if(Rem) *Rem = __umoddi3(Num, Div); + return ret; +} + /** * \fn Uint64 __udivdi3(Uint64 Num, Uint64 Den) * \brief Divide two 64-bit integers @@ -424,22 +453,6 @@ Uint64 __umoddi3(Uint64 Num, Uint64 Den) return Num - __udivdi3(Num, Den) * Den; } -Uint16 LittleEndian16(Uint16 Val) -{ - return Val; -} -Uint16 BigEndian16(Uint16 Val) -{ - return ((Val&0xFF)<<8) | ((Val>>8)&0xFF); -} -Uint32 LittleEndian32(Uint32 Val) -{ - return Val; -} -Uint32 BigEndian32(Uint32 Val) -{ - return ((Val&0xFF)<<24) | ((Val&0xFF00)<<8) | ((Val>>8)&0xFF00) | ((Val>>24)&0xFF); -} // --- EXPORTS --- EXPORT(memcpy); EXPORT(memset); @@ -450,9 +463,6 @@ EXPORT(inb); EXPORT(inw); EXPORT(ind); EXPORT(outb); EXPORT(outw); EXPORT(outd); EXPORT(__udivdi3); EXPORT(__umoddi3); -EXPORT(LittleEndian16); EXPORT(BigEndian16); -EXPORT(LittleEndian32); EXPORT(BigEndian32); - EXPORT(SHORTLOCK); EXPORT(SHORTREL); EXPORT(IS_LOCKED);