From: Erik W. <om...@te...> - 2001-01-14 11:18:17
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OK, I see how it works for ppc now... gstppc.h and gsti386.h contain the relevant bits of code. Nice ;-) But that means we need to scramble for gstalpha.h in order to get the build going. I tried to get as far as a fakesrc ! fakesink pipeline, and ran into the lack of cothreads support routines. Here are the i386 and ppc routines: /* i386 */ #define GET_SP(target) \ __asm__("movl %%esp, %0" : "=m"(target) : : "esp", "ebp"); #define SET_SP(source) \ __asm__("movl %0, %%esp\n" : "=m"(thread->sp)); #define JUMP(target) \ __asm__("jmp " SYMBOL_NAME_STR(cothread_stub)) #define SETUP_STACK(sp) do ; while(0) /* ppc */ #define GET_SP(target) \ __asm__("stw 1,%0" : "=m"(target) : : "r1"); #define SET_SP(source) \ __asm__("lwz 1,%0" : "=m"(source)) #define JUMP(target) \ __asm__("b " SYMBOL_NAME_STR(cothread_stub)) struct minimal_ppc_stackframe { unsigned long back_chain; unsigned long LR_save; unsigned long unused1; unsigned long unused2; }; #define SETUP_STACK(sp) \ sp = ((unsigned long *)(sp)) - 4; \ ((struct minimal_ppc_stackframe *)sp)->back_chain = 0; Hopefully there's someone here who knows Alpha well enough to code up these functions. I'll probably hold off on the contest build until we have something that works. I won't leak any of the timings I've taken so far, and my bet is (for reference) locked at 4hrs, wtay can confirm that. TTYL, Omega Erik Walthinsen <om...@te...> - System Administrator __ / \ GStreamer - The only way to stream! | | M E G A ***** http://gstreamer.net/ ***** _\ /_ |