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ntdll: Use the right cpuid for XSAVEC detection. 

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=50713
Signed-off-by: Jacek Caban <jacek@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Jacek Caban 2021-02-24 18:27:32 +01:00 committed by Alexandre Julliard
parent 014f249aea
commit 7b95cdffa6
1 changed files with 12 additions and 38 deletions
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50
dlls/ntdll/unix/system.c
View File

@ -188,36 +188,10 @@ BOOL xstate_compaction_enabled = FALSE;
#define INEI 0x49656e69 /* "ineI" */
#define NTEL 0x6c65746e /* "ntel" */
extern void do_cpuid(unsigned int ax, unsigned int *p);
#ifdef __i386__
__ASM_GLOBAL_FUNC( do_cpuid,
"pushl %esi\n\t"
"pushl %ebx\n\t"
"movl 12(%esp),%eax\n\t"
"movl 16(%esp),%esi\n\t"
"xorl %ecx,%ecx\n\t"
"cpuid\n\t"
"movl %eax,(%esi)\n\t"
"movl %ebx,4(%esi)\n\t"
"movl %ecx,8(%esi)\n\t"
"movl %edx,12(%esi)\n\t"
"popl %ebx\n\t"
"popl %esi\n\t"
"ret" )
#else
__ASM_GLOBAL_FUNC( do_cpuid,
"pushq %rbx\n\t"
"movl %edi,%eax\n\t"
"xorl %ecx,%ecx\n\t"
"cpuid\n\t"
"movl %eax,(%rsi)\n\t"
"movl %ebx,4(%rsi)\n\t"
"movl %ecx,8(%rsi)\n\t"
"movl %edx,12(%rsi)\n\t"
"popq %rbx\n\t"
"ret" )
#endif
static inline void do_cpuid(unsigned int ax, unsigned int cx, unsigned int *p)
{
__asm__ ("cpuid" : "=a"(p[0]), "=b" (p[1]), "=c"(p[2]), "=d"(p[3]) : "a"(ax), "c"(cx));
}
#ifdef __i386__
extern int have_cpuid(void);
@ -275,10 +249,10 @@ static void get_cpuinfo( SYSTEM_CPU_INFORMATION *info )
if (!have_cpuid()) return;
do_cpuid( 0x00000000, regs ); /* get standard cpuid level and vendor name */
do_cpuid( 0x00000000, 0, regs ); /* get standard cpuid level and vendor name */
if (regs[0]>=0x00000001) /* Check for supported cpuid version */
{
do_cpuid( 0x00000001, regs2 ); /* get cpu features */
do_cpuid( 0x00000001, 0, regs2 ); /* get cpu features */
if (regs2[3] & (1 << 3 )) info->FeatureSet |= CPU_FEATURE_PSE;
if (regs2[3] & (1 << 4 )) info->FeatureSet |= CPU_FEATURE_TSC;
if (regs2[3] & (1 << 6 )) info->FeatureSet |= CPU_FEATURE_PAE;
@ -303,13 +277,13 @@ static void get_cpuinfo( SYSTEM_CPU_INFORMATION *info )
if (regs[0] >= 0x00000007)
{
do_cpuid( 0x00000007, regs3 ); /* get extended features */
do_cpuid( 0x00000007, 0, regs3 ); /* get extended features */
if (regs3[1] & (1 << 5)) info->FeatureSet |= CPU_FEATURE_AVX2;
}
if (info->FeatureSet & CPU_FEATURE_XSAVE)
{
do_cpuid( 0x0000000d, regs3 ); /* get XSAVE details */
do_cpuid( 0x0000000d, 1, regs3 ); /* get XSAVE details */
if (regs3[0] & 2) xstate_compaction_enabled = TRUE;
}
@ -324,10 +298,10 @@ static void get_cpuinfo( SYSTEM_CPU_INFORMATION *info )
info->Revision |= ((regs2[0] >> 4 ) & 0xf) << 8; /* model */
info->Revision |= regs2[0] & 0xf; /* stepping */
do_cpuid( 0x80000000, regs ); /* get vendor cpuid level */
do_cpuid( 0x80000000, 0, regs ); /* get vendor cpuid level */
if (regs[0] >= 0x80000001)
{
do_cpuid( 0x80000001, regs2 ); /* get vendor features */
do_cpuid( 0x80000001, 0, regs2 ); /* get vendor features */
if (regs2[2] & (1 << 2)) info->FeatureSet |= CPU_FEATURE_VIRT;
if (regs2[3] & (1 << 20)) info->FeatureSet |= CPU_FEATURE_NX;
if (regs2[3] & (1 << 27)) info->FeatureSet |= CPU_FEATURE_TSC;
@ -347,10 +321,10 @@ static void get_cpuinfo( SYSTEM_CPU_INFORMATION *info )
if(regs2[2] & (1 << 5)) info->FeatureSet |= CPU_FEATURE_VIRT;
if(regs2[3] & (1 << 21)) info->FeatureSet |= CPU_FEATURE_DS;
do_cpuid( 0x80000000, regs ); /* get vendor cpuid level */
do_cpuid( 0x80000000, 0, regs ); /* get vendor cpuid level */
if (regs[0] >= 0x80000001)
{
do_cpuid( 0x80000001, regs2 ); /* get vendor features */
do_cpuid( 0x80000001, 0, regs2 ); /* get vendor features */
if (regs2[3] & (1 << 20)) info->FeatureSet |= CPU_FEATURE_NX;
if (regs2[3] & (1 << 27)) info->FeatureSet |= CPU_FEATURE_TSC;
}