X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=ghc%2Frts%2FRtsStartup.c;h=c5fa744c8332b0dba4a7ac4c289237e341c04832;hb=153b9cb9b11e05c4edb1b6bc0a7b972660e41f70;hp=89fb4a49521e4be38ae57bafd6533b463206176d;hpb=f5e2a3790c3bf6de8eda68e44efe4a2fdce310e7;p=ghc-hetmet.git diff --git a/ghc/rts/RtsStartup.c b/ghc/rts/RtsStartup.c index 89fb4a4..c5fa744 100644 --- a/ghc/rts/RtsStartup.c +++ b/ghc/rts/RtsStartup.c @@ -1,5 +1,4 @@ /* ----------------------------------------------------------------------------- - * $Id: RtsStartup.c,v 1.82 2004/08/21 12:48:00 panne Exp $ * * (c) The GHC Team, 1998-2002 * @@ -15,6 +14,7 @@ #include "Storage.h" /* initStorage, exitStorage */ #include "Schedule.h" /* initScheduler */ #include "Stats.h" /* initStats */ +#include "STM.h" /* initSTM */ #include "Signals.h" #include "Timer.h" /* startTimer, stopTimer */ #include "Weak.h" @@ -49,7 +49,7 @@ # include "LLC.h" #endif -#if defined(mingw32_TARGET_OS) +#if defined(mingw32_HOST_OS) #include "win32/AsyncIO.h" #endif @@ -89,8 +89,31 @@ __hscore_set_saved_termios(int fd, void* ts) } } -#if i386_TARGET_ARCH -static void x86_init_fpu ( void ); +/* ----------------------------------------------------------------------------- + Initialise floating point unit on x86 (currently disabled. why?) + -------------------------------------------------------------------------- */ + +#define X86_INIT_FPU 0 + +#if X86_INIT_FPU +static void +x86_init_fpu ( void ) +{ + __volatile unsigned short int fpu_cw; + + // Grab the control word + __asm __volatile ("fnstcw %0" : "=m" (fpu_cw)); + +#if 0 + printf("fpu_cw: %x\n", fpu_cw); +#endif + + // Set bits 8-9 to 10 (64-bit precision). + fpu_cw = (fpu_cw & 0xfcff) | 0x0200; + + // Store the new control word back + __asm __volatile ("fldcw %0" : : "m" (fpu_cw)); +} #endif /* ----------------------------------------------------------------------------- @@ -143,7 +166,7 @@ hs_init(int *argc, char **argv[]) #if defined(PAR) /* NB: this really must be done after processing the RTS flags */ IF_PAR_DEBUG(verbose, - fprintf(stderr, "==== Synchronising system (%d PEs)\n", nPEs)); + debugBelch("==== Synchronising system (%d PEs)\n", nPEs)); synchroniseSystem(); // calls initParallelSystem etc #endif /* PAR */ @@ -171,8 +194,10 @@ hs_init(int *argc, char **argv[]) /* initialise the stable pointer table */ initStablePtrTable(); +#if defined(DEBUG) /* initialise thread label table (tso->char*) */ initThreadLabelTable(); +#endif #if defined(PROFILING) || defined(DEBUG) initProfiling1(); @@ -191,10 +216,12 @@ hs_init(int *argc, char **argv[]) initDefaultHandlers(); #endif -#if defined(mingw32_TARGET_OS) +#if defined(mingw32_HOST_OS) startupAsyncIO(); #endif + initSTM(); + #ifdef RTS_GTK_FRONTPANEL if (RtsFlags.GcFlags.frontpanel) { initFrontPanel(); @@ -205,8 +232,8 @@ hs_init(int *argc, char **argv[]) setlocale(LC_CTYPE,""); #endif -#if i386_TARGET_ARCH -// x86_init_fpu(); +#if X86_INIT_FPU + x86_init_fpu(); #endif /* Record initialization times */ @@ -333,11 +360,6 @@ hs_exit(void) /* start timing the shutdown */ stat_startExit(); -#if !defined(GRAN) - /* Finalize any remaining weak pointers */ - finalizeWeakPointersNow(); -#endif - /* stop all running tasks */ exitScheduler(); @@ -417,7 +439,7 @@ hs_exit(void) if (RtsFlags.TickyFlags.showTickyStats) PrintTickyInfo(); #endif -#if defined(mingw32_TARGET_OS) +#if defined(mingw32_HOST_OS) shutdownAsyncIO(); #endif } @@ -461,34 +483,8 @@ stg_exit(int n) return; exit_started=rtsTrue; - IF_PAR_DEBUG(verbose, fprintf(stderr,"==-- stg_exit %d on [%x]...", n, mytid)); + IF_PAR_DEBUG(verbose, debugBelch("==-- stg_exit %d on [%x]...", n, mytid)); shutdownParallelSystem(n); #endif exit(n); } - -/* ----------------------------------------------------------------------------- - Initialise floating point unit on x86 - -------------------------------------------------------------------------- */ - -#if i386_TARGET_ARCH -static void -x86_init_fpu ( void ) -{ - __volatile unsigned short int fpu_cw; - - // Grab the control word - __asm __volatile ("fnstcw %0" : "=m" (fpu_cw)); - -#if 0 - printf("fpu_cw: %x\n", fpu_cw); -#endif - - // Set bits 8-9 to 10 (64-bit precision). - fpu_cw = (fpu_cw & 0xfcff) | 0x0200; - - // Store the new control word back - __asm __volatile ("fldcw %0" : : "m" (fpu_cw)); -} -#endif -