Opened 12 years ago
Last modified 11 years ago
#36856 closed defect
Qemu support of sse4.2 extended instructions. — at Initial Version
| Reported by: | enf@… | Owned by: | macports-tickets@… |
|---|---|---|---|
| Priority: | Normal | Milestone: | |
| Component: | ports | Version: | 2.1.2 |
| Keywords: | haspatch | Cc: | |
| Port: | qemu |
Description
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)
{
| 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 */