diff options
| author | Glauber de Oliveira Costa | 2008-01-30 13:31:31 +0100 |
|---|---|---|
| committer | Ingo Molnar | 2008-01-30 13:31:31 +0100 |
| commit | cb38d377337cadd73fe4c582f77c5273685aeb71 (patch) | |
| tree | 79dfc538f91cc3695437177691ddfebd9f377708 /include/asm-x86/processor.h | |
| parent | x86: provide 64-bit with a load_sp0 function. (diff) | |
| download | kernel-qcow2-linux-cb38d377337cadd73fe4c582f77c5273685aeb71.tar.gz kernel-qcow2-linux-cb38d377337cadd73fe4c582f77c5273685aeb71.tar.xz kernel-qcow2-linux-cb38d377337cadd73fe4c582f77c5273685aeb71.zip | |
x86: unify thread struct.
The thread_struct is not fundamentally different between architectures, and
this patch puts it in the common header. What's really unique for each of
them is enclosed in ifdefs.
Signed-off-by: Glauber de Oliveira Costa <gcosta@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'include/asm-x86/processor.h')
| -rw-r--r-- | include/asm-x86/processor.h | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/include/asm-x86/processor.h b/include/asm-x86/processor.h index b1ea52156362..0e82ad5a22a4 100644 --- a/include/asm-x86/processor.h +++ b/include/asm-x86/processor.h @@ -126,6 +126,50 @@ extern void init_scattered_cpuid_features(struct cpuinfo_x86 *c); extern unsigned int init_intel_cacheinfo(struct cpuinfo_x86 *c); extern unsigned short num_cache_leaves; +struct thread_struct { +/* cached TLS descriptors. */ + struct desc_struct tls_array[GDT_ENTRY_TLS_ENTRIES]; + unsigned long sp0; + unsigned long sp; +#ifdef CONFIG_X86_32 + unsigned long sysenter_cs; +#else + unsigned long usersp; /* Copy from PDA */ + unsigned short es, ds, fsindex, gsindex; +#endif + unsigned long ip; + unsigned long fs; + unsigned long gs; +/* Hardware debugging registers */ + unsigned long debugreg0; + unsigned long debugreg1; + unsigned long debugreg2; + unsigned long debugreg3; + unsigned long debugreg6; + unsigned long debugreg7; +/* fault info */ + unsigned long cr2, trap_no, error_code; +/* floating point info */ + union i387_union i387 __attribute__((aligned(16)));; +#ifdef CONFIG_X86_32 +/* virtual 86 mode info */ + struct vm86_struct __user *vm86_info; + unsigned long screen_bitmap; + unsigned long v86flags, v86mask, saved_sp0; + unsigned int saved_fs, saved_gs; +#endif +/* IO permissions */ + unsigned long *io_bitmap_ptr; + unsigned long iopl; +/* max allowed port in the bitmap, in bytes: */ + unsigned io_bitmap_max; +/* MSR_IA32_DEBUGCTLMSR value to switch in if TIF_DEBUGCTLMSR is set. */ + unsigned long debugctlmsr; +/* Debug Store - if not 0 points to a DS Save Area configuration; + * goes into MSR_IA32_DS_AREA */ + unsigned long ds_area_msr; +}; + static inline unsigned long native_get_debugreg(int regno) { unsigned long val = 0; /* Damn you, gcc! */ |