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Implemented SSE2/3 support (tested with VLC).

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git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@16569 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Axel Dörfler
2006-03-02 17:12:56 +00:00
parent e11882b484
commit f94b06f992
6 changed files with 62 additions and 18 deletions
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headers/private/kernel/arch/x86/arch_cpu.h
+3 -2
View File
@@ -1,5 +1,5 @@
/*
* Copyright 2002-2005, Axel Dörfler, [email protected]. All rights reserved.
* Copyright 2002-2006, Axel Dörfler, [email protected]. All rights reserved.
* Distributed under the terms of the MIT License.
*
* Copyright 2001-2002, Travis Geiselbrecht. All rights reserved.
@@ -24,7 +24,8 @@
// cpuid eax 1 features
#define IA32_FEATURE_MTRR (1UL << 12)
#define IA32_FEATURE_GLOBAL_PAGES (1UL << 13)
#define IA32_FEATURE_SSE (1UL << 25)
#define IA32_FEATURE_FXSR (1UL << 24)
// cr4 flags
#define IA32_CR4_GLOBAL_PAGES (1UL << 7)
headers/private/kernel/arch/x86/arch_thread_types.h
+7 -5
View File
@@ -1,5 +1,5 @@
/*
* Copyright 2002-2005, The Haiku Team. All rights reserved.
* Copyright 2002-2006, The Haiku Team. All rights reserved.
* Distributed under the terms of the MIT License.
*
* Copyright 2001-2002, Travis Geiselbrecht. All rights reserved.
@@ -11,6 +11,8 @@
#include <arch_cpu.h>
#define _ALIGNED(bytes) __attribute__((aligned(bytes)))
// move this to somewhere else, maybe BeBuild.h?
struct farcall {
uint32 *esp;
@@ -29,12 +31,12 @@ struct arch_thread {
struct farcall current_stack;
struct farcall interrupt_stack;
// 512 byte floating point save point - this must be 16 byte aligned
uint8 fpu_state[512];
// used to track interrupts on this thread
struct iframe_stack iframes;
// 512 byte floating point save point
uint8 fpu_state[512];
};
} _ALIGNED(16);
struct arch_team {
// gcc treats empty structures as zero-length in C, but as if they contain