From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andrew Cooper Subject: [PATCH 1/3] tests/x86emul: Helpers to save and restore FPU state Date: Tue, 6 Mar 2018 20:24:50 +0000 Message-ID: <1520367892-15055-2-git-send-email-andrew.cooper3@citrix.com> References: <1520367892-15055-1-git-send-email-andrew.cooper3@citrix.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <1520367892-15055-1-git-send-email-andrew.cooper3@citrix.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" To: Xen-devel Cc: Andrew Cooper , Jan Beulich List-Id: xen-devel@lists.xenproject.org SW50cm9kdWNlIGNvbW1vbiBoZWxwZXJzIGZvciBzYXZpbmcgYW5kIHJlc3RvcmluZyBGUFUgc3Rh dGUuICBEdXJpbmcKZW11bF90ZXN0X2luaXQoKSwgY2FsY3VsYXRlIHdoZXRoZXIgdG8gdXNlIHhz YXZlIG9yIGZ4c2F2ZSwgYW5kIHR3ZWFrIHRoZQpleGlzdGluZyBteGNzcl9tYXNrIGxvZ2ljIHRv IGF2b2lkIHVzaW5nIGFub3RoZXIgbGFyZ2Ugc3RhdGljIGJ1ZmZlci4KClNpZ25lZC1vZmYtYnk6 IEFuZHJldyBDb29wZXIgPGFuZHJldy5jb29wZXIzQGNpdHJpeC5jb20+Ci0tLQpDQzogSmFuIEJl dWxpY2ggPEpCZXVsaWNoQHN1c2UuY29tPgotLS0KIHRvb2xzL3Rlc3RzL3g4Nl9lbXVsYXRvci94 ODYtZW11bGF0ZS5jIHwgNzAgKysrKysrKysrKysrKysrKysrKysrKysrKysrLS0tLS0tLQogdG9v bHMvdGVzdHMveDg2X2VtdWxhdG9yL3g4Ni1lbXVsYXRlLmggfCAgNCArKwogMiBmaWxlcyBjaGFu Z2VkLCA2MCBpbnNlcnRpb25zKCspLCAxNCBkZWxldGlvbnMoLSkKCmRpZmYgLS1naXQgYS90b29s cy90ZXN0cy94ODZfZW11bGF0b3IveDg2LWVtdWxhdGUuYyBiL3Rvb2xzL3Rlc3RzL3g4Nl9lbXVs YXRvci94ODYtZW11bGF0ZS5jCmluZGV4IDkwNTY2MTAuLjQ3ZTUwM2QgMTAwNjQ0Ci0tLSBhL3Rv b2xzL3Rlc3RzL3g4Nl9lbXVsYXRvci94ODYtZW11bGF0ZS5jCisrKyBiL3Rvb2xzL3Rlc3RzL3g4 Nl9lbXVsYXRvci94ODYtZW11bGF0ZS5jCkBAIC0yNiwyNiArMjYsNjggQEAKIAogdWludDMyX3Qg bXhjc3JfbWFzayA9IDB4MDAwMGZmYmY7CiAKK3N0YXRpYyBjaGFyIGZwdV9zYXZlX2FyZWFbNDA5 Nl0gX19hdHRyaWJ1dGVfXygoX19hbGlnbmVkX18oKDY0KSkpKTsKK3N0YXRpYyBib29sIHVzZV94 c2F2ZTsKKwordm9pZCBlbXVsX3NhdmVfZnB1X3N0YXRlKHZvaWQpCit7CisgICAgaWYgKCB1c2Vf eHNhdmUgKQorICAgICAgICBhc20gdm9sYXRpbGUgKCAieHNhdmUiIF9fT1MgIiAlW3B0cl0iCisg ICAgICAgICAgICAgICAgICAgICAgIDogW3B0cl0gIj1tIiAoZnB1X3NhdmVfYXJlYSkKKyAgICAg ICAgICAgICAgICAgICAgICAgOiAiYSIgKH4wdWxsKSwgImQiICh+MHVsbCkgKTsKKyAgICBlbHNl CisgICAgICAgIGFzbSB2b2xhdGlsZSAoICJmeHNhdmUgJTAiIDogIj1tIiAoZnB1X3NhdmVfYXJl YSkgKTsKK30KKwordm9pZCBlbXVsX3Jlc3RvcmVfZnB1X3N0YXRlKHZvaWQpCit7CisgICAgaWYg KCB1c2VfeHNhdmUgKQorICAgICAgICBhc20gdm9sYXRpbGUgKCAieHJzdG9yIiBfX09TICIgJVtw dHJdIgorICAgICAgICAgICAgICAgICAgICAgICA6OiBbcHRyXSAibSIgKGZwdV9zYXZlX2FyZWEp LCAiYSIgKH4wdWxsKSwgImQiICh+MHVsbCkgKTsKKyAgICBlbHNlCisgICAgICAgIGFzbSB2b2xh dGlsZSAoICJmeHJzdG9yICUwIiA6OiAibSIgKGZwdV9zYXZlX2FyZWEpICk7Cit9CisKIGJvb2wg ZW11bF90ZXN0X2luaXQodm9pZCkKIHsKKyAgICB1bmlvbiB7CisgICAgICAgIGNoYXIgeFs0NjRd OworICAgICAgICBzdHJ1Y3QgeworICAgICAgICAgICAgdWludDMyX3Qgb3RoZXJbNl07CisgICAg ICAgICAgICB1aW50MzJfdCBteGNzcjsKKyAgICAgICAgICAgIHVpbnQzMl90IG14Y3NyX21hc2s7 CisgICAgICAgICAgICAvKiAuLi4gKi8KKyAgICAgICAgfTsKKyAgICB9ICpmeHMgPSAodm9pZCAq KWZwdV9zYXZlX2FyZWE7CisKICAgICB1bnNpZ25lZCBsb25nIHNwOwogCi0gICAgaWYgKCBjcHVf aGFzX2Z4c3IgKQorICAgIGlmICggY3B1X2hhc194c2F2ZSApCiAgICAgewotICAgICAgICBzdGF0 aWMgdW5pb24gX19hdHRyaWJ1dGVfXygoX19hbGlnbmVkX18oMTYpKSkgewotICAgICAgICAgICAg Y2hhciB4WzQ2NF07Ci0gICAgICAgICAgICBzdHJ1Y3QgewotICAgICAgICAgICAgICAgIHVpbnQz Ml90IG90aGVyWzZdOwotICAgICAgICAgICAgICAgIHVpbnQzMl90IG14Y3NyOwotICAgICAgICAg ICAgICAgIHVpbnQzMl90IG14Y3NyX21hc2s7Ci0gICAgICAgICAgICAgICAgLyogLi4uICovCi0g ICAgICAgICAgICB9OwotICAgICAgICB9IGZ4czsKLQotICAgICAgICBhc20gKCAiZnhzYXZlICUw IiA6ICI9bSIgKGZ4cykgKTsKLSAgICAgICAgaWYgKCBmeHMubXhjc3JfbWFzayApCi0gICAgICAg ICAgICBteGNzcl9tYXNrID0gZnhzLm14Y3NyX21hc2s7CisgICAgICAgIHVuc2lnbmVkIGludCB0 bXAsIGVieDsKKworICAgICAgICBhc20gKCAiY3B1aWQiCisgICAgICAgICAgICAgIDogIj1hIiAo dG1wKSwgIj1iIiAoZWJ4KSwgIj1jIiAodG1wKSwgIj1kIiAodG1wKQorICAgICAgICAgICAgICA6 ICJhIiAoMHhkKSwgImMiICgwKSApOworCisgICAgICAgIC8qCisgICAgICAgICAqIFNhbml0eSBj aGVjayB0aGF0IGZwdV9zYXZlX2FyZWFbXSBpcyBsYXJnZSBlbm91Z2guICBUaGlzIGFzc2VydGlv bgorICAgICAgICAgKiB3aWxsIHRyaXAgZXZlbnR1YWxseSwgYXQgd2hpY2ggcG9pbnQgZnB1X3Nh dmVfYXJlYVtdIG5lZWRzIHRvIGdldAorICAgICAgICAgKiBsYXJnZXIuCisgICAgICAgICAqLwor ICAgICAgICBhc3NlcnQoZWJ4IDwgc2l6ZW9mKGZwdV9zYXZlX2FyZWEpKTsKKworICAgICAgICAv KiBVc2UgeHNhdmUgaWYgYXZhaWxhYmxlLi4uICovCisgICAgICAgIHVzZV94c2F2ZSA9IHRydWU7 CiAgICAgfQorICAgIGVsc2UKKyAgICAgICAgLyogQnV0IHVzZSBmeHNhdmUgaWYgeHNhdmUgaXNu J3QgYXZhaWxhYmxlLiAqLworICAgICAgICBhc3NlcnQoY3B1X2hhc19meHNyKTsKKworICAgIC8q IFJldXNlIHRoZSBzYXZlIHN0YXRlIGJ1ZmZlciB0byBmaW5kIG1jeHNyX21hc2suICovCisgICAg YXNtICggImZ4c2F2ZSAlMCIgOiAiPW0iICgqZnhzKSApOworICAgIGlmICggZnhzLT5teGNzcl9t YXNrICkKKyAgICAgICAgbXhjc3JfbWFzayA9IGZ4cy0+bXhjc3JfbWFzazsKIAogICAgIC8qCiAg ICAgICogTWFyayB0aGUgZW50aXJlIHN0YWNrIGV4ZWN1dGFibGUgc28gdGhhdCB0aGUgc3R1YiBl eGVjdXRpb25zCmRpZmYgLS1naXQgYS90b29scy90ZXN0cy94ODZfZW11bGF0b3IveDg2LWVtdWxh dGUuaCBiL3Rvb2xzL3Rlc3RzL3g4Nl9lbXVsYXRvci94ODYtZW11bGF0ZS5oCmluZGV4IGExYzQ3 NzQuLjQ1YWNlYTQgMTAwNjQ0Ci0tLSBhL3Rvb2xzL3Rlc3RzL3g4Nl9lbXVsYXRvci94ODYtZW11 bGF0ZS5oCisrKyBiL3Rvb2xzL3Rlc3RzL3g4Nl9lbXVsYXRvci94ODYtZW11bGF0ZS5oCkBAIC01 Miw2ICs1MiwxMCBAQCBleHRlcm4gdWludDMyX3QgbXhjc3JfbWFzazsKICNkZWZpbmUgTU1BUF9T WiAxNjM4NAogYm9vbCBlbXVsX3Rlc3RfaW5pdCh2b2lkKTsKIAorLyogTXVzdCBzYXZlIGFuZCBy ZXN0b3JlIEZQVSBzdGF0ZSBiZXR3ZWVuIGFueSBjYWxsIGludG8gbGliYy4gKi8KK3ZvaWQgZW11 bF9zYXZlX2ZwdV9zdGF0ZSh2b2lkKTsKK3ZvaWQgZW11bF9yZXN0b3JlX2ZwdV9zdGF0ZSh2b2lk KTsKKwogI2luY2x1ZGUgIng4Nl9lbXVsYXRlL3g4Nl9lbXVsYXRlLmgiCiAKIHN0YXRpYyBpbmxp bmUgdWludDY0X3QgeGdldGJ2KHVpbnQzMl90IHhjcikKLS0gCjIuMS40CgoKX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KWGVuLWRldmVsIG1haWxpbmcgbGlz dApYZW4tZGV2ZWxAbGlzdHMueGVucHJvamVjdC5vcmcKaHR0cHM6Ly9saXN0cy54ZW5wcm9qZWN0 Lm9yZy9tYWlsbWFuL2xpc3RpbmZvL3hlbi1kZXZlbA==