#36856: Qemu support of sse4.2 extended instructions. --------------------+-------------------------------- Reporter: enf@… | Owner: macports-tickets@… Type: defect | Status: new Priority: Normal | Milestone: Component: ports | Version: 2.1.2 Keywords: | Port: --------------------+-------------------------------- Qemu disables processor instruction extentions with non linux builds -- mac builds. specifically, processor sse4.2 functions. Here is patch for cpu.c file to allow. mmacbookpro-enf:~ enf$ diff -c ~/Downloads/qemu-1.2.0/target-i386/cpu.c ~/src/play/c/qemu-1.2.0/target-i386/cpu.c *** /Users/enf/Downloads/qemu-1.2.0/target-i386/cpu.c 2012-09-05 07:03:06.000000000 -0700 --- /Users/enf/src/play/c/qemu-1.2.0/target-i386/cpu.c 2012-11-01 19:32:19.000000000 -0700 *************** *** 116,122 **** void host_cpuid(uint32_t function, uint32_t count, uint32_t *eax, uint32_t *ebx, uint32_t *ecx, uint32_t *edx) { ! #if defined(CONFIG_KVM) uint32_t vec[4]; #ifdef __x86_64__ --- 116,122 ---- void host_cpuid(uint32_t function, uint32_t count, uint32_t *eax, uint32_t *ebx, uint32_t *ecx, uint32_t *edx) { ! #if defined(CONFIG_KVM) || defined(__APPLE__) uint32_t vec[4]; #ifdef __x86_64__ *************** *** 273,279 **** CPUID_VME, CPUID_DTS, CPUID_SS, CPUID_HT, CPUID_TM, CPUID_PBE */ #define TCG_EXT_FEATURES (CPUID_EXT_SSE3 | CPUID_EXT_MONITOR | \ CPUID_EXT_CX16 | CPUID_EXT_POPCNT | \ ! CPUID_EXT_HYPERVISOR) /* missing: CPUID_EXT_DTES64, CPUID_EXT_DSCPL, CPUID_EXT_VMX, CPUID_EXT_EST, CPUID_EXT_TM2, CPUID_EXT_XTPR, CPUID_EXT_PDCM, CPUID_EXT_XSAVE */ --- 273,279 ---- CPUID_VME, CPUID_DTS, CPUID_SS, CPUID_HT, CPUID_TM, CPUID_PBE */ #define TCG_EXT_FEATURES (CPUID_EXT_SSE3 | CPUID_EXT_MONITOR | \ CPUID_EXT_CX16 | CPUID_EXT_POPCNT | \ ! CPUID_EXT_HYPERVISOR | CPUID_EXT_SSE42) /* missing: CPUID_EXT_DTES64, CPUID_EXT_DSCPL, CPUID_EXT_VMX, CPUID_EXT_EST, CPUID_EXT_TM2, CPUID_EXT_XTPR, CPUID_EXT_PDCM, CPUID_EXT_XSAVE */ -- Ticket URL: <https://trac.macports.org/ticket/36856> MacPorts <http://www.macports.org/> Ports system for Mac OS