X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;ds=sidebyside;f=ghc%2Frts%2FRtsStartup.c;h=af39aa66f72874bc067d7fcf56e90d77209fd64d;hb=04b5d01b1069bbb60feb9873209355668a20545d;hp=a80676365d4843ea767d28df532a09d3bf93b61d;hpb=94e06463420582cc2d336b39a297e82af39e4cc4;p=ghc-hetmet.git diff --git a/ghc/rts/RtsStartup.c b/ghc/rts/RtsStartup.c index a806763..af39aa6 100644 --- a/ghc/rts/RtsStartup.c +++ b/ghc/rts/RtsStartup.c @@ -14,6 +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" @@ -48,7 +49,7 @@ # include "LLC.h" #endif -#if defined(mingw32_TARGET_OS) +#if defined(mingw32_HOST_OS) #include "win32/AsyncIO.h" #endif @@ -88,8 +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 /* ----------------------------------------------------------------------------- @@ -135,8 +159,7 @@ hs_init(int *argc, char **argv[]) /* Parse the flags, separating the RTS flags from the programs args */ if (argc != NULL && argv != NULL) { setupRtsFlags(argc, *argv, &rts_argc, rts_argv); - prog_argc = *argc; - prog_argv = *argv; + setProgArgv(*argc,*argv); } #if defined(PAR) @@ -170,8 +193,10 @@ 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(); @@ -190,10 +215,12 @@ 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(); @@ -204,8 +231,8 @@ 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 */ @@ -222,31 +249,6 @@ startupHaskell(int argc, char *argv[], void (*init_root)(void)) /* ----------------------------------------------------------------------------- - Getting/Setting the program's arguments. - - These are used by System.Environment. - -------------------------------------------------------------------------- */ - -void -getProgArgv(int *argc, char **argv[]) -{ - if (argc) { *argc = prog_argc; } - if (argv) { *argv = prog_argv; } -} - -void -setProgArgv(int argc, char *argv[]) -{ - /* Usually this is done by startupHaskell, so we don't need to call this. - However, sometimes Hugs wants to change the arguments which Haskell - getArgs >>= ... will be fed. So you can do that by calling here - _after_ calling startupHaskell. - */ - prog_argc = argc; - prog_argv = argv; -} - -/* ----------------------------------------------------------------------------- Per-module initialisation This process traverses all the compiled modules in the program @@ -332,11 +334,6 @@ hs_exit(void) /* start timing the shutdown */ stat_startExit(); -#if !defined(GRAN) - /* Finalize any remaining weak pointers */ - finalizeWeakPointersNow(); -#endif - /* stop all running tasks */ exitScheduler(); @@ -416,7 +413,7 @@ hs_exit(void) if (RtsFlags.TickyFlags.showTickyStats) PrintTickyInfo(); #endif -#if defined(mingw32_TARGET_OS) +#if defined(mingw32_HOST_OS) shutdownAsyncIO(); #endif } @@ -465,29 +462,3 @@ stg_exit(int 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 -