From 6528f753c7af236c371a9f381bc15c63f52c4948 Mon Sep 17 00:00:00 2001
From: bzt <bztemail@gmail.com>
Date: Fri, 15 Mar 2019 22:38:27 +0100
Subject: [PATCH] Same cr0 as in bios

---
 bootboot.efi          | Bin 94265 -> 94265 bytes
 bootboot.rom          | Bin 94720 -> 94720 bytes
 x86_64-efi/bootboot.c |  10 +++++-----
 3 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/bootboot.efi b/bootboot.efi
index e909806832868cf4027fd71b8cf945e00cf9616a..fd8f328233ae69411bd861a2fe273531816e3973 100755
GIT binary patch
delta 115
zcmdn_fOY2s)(JOQ^KUaU@J@DQRG+56C@?vIQFgN-qa=@$%5Ppq28ILtN(cBA9;ERy
zF!L)t@aSb-t;ERS(JkT8d4pf+29Tev2;?7p$mP+^;9>a0L-S0);poF@di?S&49z{f
T+k1E!Q>+=owtw_s^iT%?L6#)V

delta 115
zcmdn_fOY2s)(JOQ|NmuV;GOKqs6I`BQDAZaqwHowMoAv0H2z&Ln1I9wMt-FO{0a}!
zco~@al^%HXvaV2KWbo*g@aVk3uXF>*&rk&N4?g7b=w|RReBz;bCg5=NVSf3B<{sYd
SJ-m!5){K$cKYB2Fr~?4^vL`SA

diff --git a/bootboot.rom b/bootboot.rom
index b119fdca2f78643af863965189640a90ec518727..c86d2c19665a69f04d867bb9192af5246d97e464 100644
GIT binary patch
delta 105
zcmZp8!rJhJb%Fuo(TRq)neuOM=3^}2aZ>rs%gDfRfM4kVzruqwUIu1<r3W6ptgDq6
z89cfrJUVaiE8PI{vlW5-gAchpx*0qSpLl4V2{;^mI8BdVzJ;Or0Ppq#yo@Q<jA7eV
JJsEFn004OWBd!1d

delta 105
zcmZp8!rJhJb%Ft7(nQ1CO#lCG=3^}2aZ2Og^@0gVd|>2PI>4{+AdQ!SnP2IFM=$FN
zB}N91ZV8Xh8~jQ)fcy+aAphV)E{|>o55p%Onr8wIM<3>wZ)iTiyZrz!V~RCn<aSk0
H#@iYI|B5B9

diff --git a/x86_64-efi/bootboot.c b/x86_64-efi/bootboot.c
index b999523..13c38d9 100644
--- a/x86_64-efi/bootboot.c
+++ b/x86_64-efi/bootboot.c
@@ -1205,11 +1205,11 @@ VOID EFIAPI bootboot_startcore(IN VOID* buf)
 
     // enable SSE
     __asm__ __volatile__ (
-        "mov %%cr0, %%eax;"
-        "btsw $2, %%ax;"
-        "btrw $1, %%ax;"
-        "mov %%rax, %%cr0;"
-        "mov %%cr4, %%rax;"
+        "movq %%cr0, %%rax;"
+        "andb $0xfb, %%al;"
+        "orl $0xC0000001, %%eax;"
+        "movq %%rax, %%cr0;"
+        "movq %%cr4, %%rax;"
         "orw $3 << 8, %%ax;"
         "mov %%rax, %%cr4"
         : );