X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=blobdiff_plain;f=palacios%2Fsrc%2Fpalacios%2Fsvm_halt.c;h=16239e841df7571aed22a20b5156f8cc670f1d37;hb=e23a867d9dcecc70fc76adc0f89404dbc50e5b78;hp=68261c3cdb29e14b11b6912eb0dc0005434f05bc;hpb=d38e1d6edeee83bfb1e3e3c6e2367faa5055bdfe;p=palacios.git diff --git a/palacios/src/palacios/svm_halt.c b/palacios/src/palacios/svm_halt.c index 68261c3..16239e8 100644 --- a/palacios/src/palacios/svm_halt.c +++ b/palacios/src/palacios/svm_halt.c @@ -18,52 +18,48 @@ * redistribute, and modify it as specified in the file "V3VEE_LICENSE". */ - - - - - #include #include +#ifndef DEBUG_HALT +#undef PrintDebug +#define PrintDebug(fmt, args...) +#endif + + // // This should trigger a #GP if cpl!=0, otherwise, yield to host // -int handle_svm_halt(struct guest_info * info) -{ - if (info->cpl!=0) { - v3_raise_exception(info, GPF_EXCEPTION); - } else { - - // What we should do is starting waiting on an OS event that will - // result in an injection of an interrupt. - - // What we will hackishly do instead is resume on any event - // Plus is this totally GeekOS specific - - ullong_t yield_start = 0; - ullong_t yield_stop = 0; - uint32_t gap = 0; - - PrintDebug("GeekOS Yield\n"); - - rdtscll(yield_start); - V3_Yield(); - rdtscll(yield_stop); - - - //v3_update_time(info, yield_stop - yield_start); - gap = yield_stop - yield_start; - v3_raise_irq(info, 0); +int v3_handle_svm_halt(struct guest_info * info) { + + if (info->cpl != 0) { + v3_raise_exception(info, GPF_EXCEPTION); + } else { - PrintDebug("GeekOS Yield Done (%d cycles)\n", gap); + ullong_t yield_start = 0; + ullong_t yield_stop = 0; + uint32_t gap = 0; + + PrintDebug("CPU Yield\n"); + + rdtscll(yield_start); + v3_yield(info); + rdtscll(yield_stop); - info->rip+=1; - } - return 0; + //v3_update_time(info, yield_stop - yield_start); + gap = yield_stop - yield_start; + + v3_raise_irq(info, 0); + + + PrintDebug("CPU Yield Done (%d cycles)\n", gap); + + info->rip+=1; + } + return 0; }