motorhead/qemu
1
0
Fork 0
mirror of https://github.com/Motorhead1991/qemu.git synced 2025-08-04 00:03:54 -06:00
Code Issues Projects Releases Packages Wiki Activity Actions

x86/cpu: Enable MOVDIRI cpu feature

Browse source 
MOVDIRI moves doubleword or quadword from register to memory through
direct store which is implemented by using write combining (WC) for
writing data directly into memory without caching the data.

The bit definition:
CPUID.(EAX=7,ECX=0):ECX[bit 27] MOVDIRI

The release document ref below link:
https://software.intel.com/sites/default/files/managed/c5/15/\
architecture-instruction-set-extensions-programming-reference.pdf

Cc: Xu Tao <tao3.xu@intel.com>
Signed-off-by: Liu Jingqi <jingqi.liu@intel.com>
Message-Id: <1541488407-17045-2-git-send-email-jingqi.liu@intel.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
This commit is contained in:
Liu Jingqi 2018-11-06 15:13:26 +08:00 • committed by Eduardo Habkost
parent 32a1a94dd3
commit 24261de491
2 changed files with 2 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

2
target/i386/cpu.c
View file

@ -1023,7 +1023,7 @@ static FeatureWordInfo feature_word_info[FEATURE_WORDS] = {
"avx512bitalg", NULL, "avx512-vpopcntdq", NULL,
"la57", NULL, NULL, NULL,
NULL, NULL, "rdpid", NULL,
NULL, "cldemote", NULL, NULL,
NULL, "cldemote", NULL, "movdiri",
NULL, NULL, NULL, NULL,
},
.cpuid = {