Jacek Caban : ntdll: Use xsavec in x86_64 syscall dispatcher.
Alexandre Julliard
julliard at winehq.org
Mon Feb 22 15:43:22 CST 2021
Module: wine
Branch: master
Commit: a8856381ed9a7187a6564960893617f31ec3e8ff
URL: https://source.winehq.org/git/wine.git/?a=commit;h=a8856381ed9a7187a6564960893617f31ec3e8ff
Author: Jacek Caban <jacek at codeweavers.com>
Date: Mon Feb 22 18:04:31 2021 +0100
ntdll: Use xsavec in x86_64 syscall dispatcher.
Signed-off-by: Jacek Caban <jacek at codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard at winehq.org>
---
dlls/ntdll/unix/signal_x86_64.c | 5 ++++-
dlls/ntdll/unix/system.c | 6 ++++++
include/winternl.h | 1 +
tools/winebuild/import.c | 13 ++++++++++++-
4 files changed, 23 insertions(+), 2 deletions(-)
diff --git a/dlls/ntdll/unix/signal_x86_64.c b/dlls/ntdll/unix/signal_x86_64.c
index 88e5eace003..df83094750e 100644
--- a/dlls/ntdll/unix/signal_x86_64.c
+++ b/dlls/ntdll/unix/signal_x86_64.c
@@ -2814,9 +2814,12 @@ void *signal_init_syscalls(void)
void *ptr, *syscall_dispatcher;
extern void __wine_syscall_dispatcher_xsave(void) DECLSPEC_HIDDEN;
+ extern void __wine_syscall_dispatcher_xsavec(void) DECLSPEC_HIDDEN;
NtQuerySystemInformation( SystemCpuInformation, &cpu_info, sizeof(cpu_info), NULL );
- if (cpu_info.FeatureSet & CPU_FEATURE_XSAVE)
+ if (cpu_info.FeatureSet & CPU_FEATURE_XSAVEC)
+ syscall_dispatcher = __wine_syscall_dispatcher_xsavec;
+ else if (cpu_info.FeatureSet & CPU_FEATURE_XSAVE)
syscall_dispatcher = __wine_syscall_dispatcher_xsave;
else
syscall_dispatcher = __wine_syscall_dispatcher;
diff --git a/dlls/ntdll/unix/system.c b/dlls/ntdll/unix/system.c
index 6cf044d496f..27ecfae365f 100644
--- a/dlls/ntdll/unix/system.c
+++ b/dlls/ntdll/unix/system.c
@@ -305,6 +305,12 @@ static void get_cpuinfo( SYSTEM_CPU_INFORMATION *info )
if (regs3[1] & (1 << 5)) info->FeatureSet |= CPU_FEATURE_AVX2;
}
+ if (info->FeatureSet & CPU_FEATURE_XSAVE)
+ {
+ do_cpuid( 0x0000000d, regs3 ); /* get XSAVE details */
+ if (regs3[0] & 2) info->FeatureSet |= CPU_FEATURE_XSAVEC;
+ }
+
if (regs[1] == AUTH && regs[3] == ENTI && regs[2] == CAMD)
{
info->Level = (regs2[0] >> 8) & 0xf; /* family */
diff --git a/include/winternl.h b/include/winternl.h
index 76feca83596..3beecf10ff6 100644
--- a/include/winternl.h
+++ b/include/winternl.h
@@ -1754,6 +1754,7 @@ typedef struct _SYSTEM_CPU_INFORMATION {
/* FIXME: following values are made up, actual flags are unknown */
#define CPU_FEATURE_SSSE3 0x00008000 /* SSSE3 instructions */
+#define CPU_FEATURE_XSAVEC 0x00400000 /* XSAVEC instructions */
#define CPU_FEATURE_SSE41 0x01000000 /* SSE41 instructions */
#define CPU_FEATURE_SSE42 0x02000000 /* SSE42 instructions */
#define CPU_FEATURE_AVX 0x40000000 /* AVX instructions */
diff --git a/tools/winebuild/import.c b/tools/winebuild/import.c
index a01694ffb9c..2fa9d3d430b 100644
--- a/tools/winebuild/import.c
+++ b/tools/winebuild/import.c
@@ -1534,7 +1534,17 @@ static void output_syscall_dispatcher( int count, const char *variant )
output( "\tmovq %%rdx,0x200(%%r12)\n" );
output( "\tmovq %%rdx,0x208(%%r12)\n" );
output( "\tmovq %%rdx,0x210(%%r12)\n" );
- output( "\txsave64 (%%r12)\n" );
+ if (!strcmp( variant, "_xsavec" ))
+ {
+ output( "\tmovq %%rdx,0x218(%%r12)\n" );
+ output( "\tmovq %%rdx,0x220(%%r12)\n" );
+ output( "\tmovq %%rdx,0x228(%%r12)\n" );
+ output( "\tmovq %%rdx,0x230(%%r12)\n" );
+ output( "\tmovq %%rdx,0x238(%%r12)\n" );
+ output( "\txsavec64 (%%r12)\n" );
+ }
+ else
+ output( "\txsave64 (%%r12)\n" );
output( "\tmovq %%rsi,%%rdx\n" );
}
output( "\tmovq %%gs:0x30,%%rcx\n" );
@@ -1740,6 +1750,7 @@ void output_syscalls( DLLSPEC *spec )
{
case CPU_x86_64:
output_syscall_dispatcher( count, "_xsave" );
+ output_syscall_dispatcher( count, "_xsavec" );
break;
default:
break;
More information about the wine-cvs
mailing list