X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=include%2Fasm-um%2Fprocessor-i386.h;h=a2b7fe13fe1e48179b1fd5f0eeff8315dcb15b0d;hb=bf2002967775cbb233876d51ff94e8daa7e77858;hp=4108a579eb92a531f1010a1f0dd3f7e321dbd15c;hpb=9472d8ce147fecb80a2f29ad8ab781e596858916;p=linux-2.6-omap-h63xx.git diff --git a/include/asm-um/processor-i386.h b/include/asm-um/processor-i386.h index 4108a579eb9..a2b7fe13fe1 100644 --- a/include/asm-um/processor-i386.h +++ b/include/asm-um/processor-i386.h @@ -1,4 +1,4 @@ -/* +/* * Copyright (C) 2002 Jeff Dike (jdike@karaya.com) * Licensed under the GPL */ @@ -6,21 +6,47 @@ #ifndef __UM_PROCESSOR_I386_H #define __UM_PROCESSOR_I386_H -extern int host_has_xmm; +#include "linux/string.h" +#include "asm/host_ldt.h" +#include "asm/segment.h" + extern int host_has_cmov; /* include faultinfo structure */ #include "sysdep/faultinfo.h" +struct uml_tls_struct { + struct user_desc tls; + unsigned flushed:1; + unsigned present:1; +}; + struct arch_thread { + struct uml_tls_struct tls_array[GDT_ENTRY_TLS_ENTRIES]; unsigned long debugregs[8]; int debugregs_seq; struct faultinfo faultinfo; }; -#define INIT_ARCH_THREAD { .debugregs = { [ 0 ... 7 ] = 0 }, \ - .debugregs_seq = 0, \ - .faultinfo = { 0, 0, 0 } } +#define INIT_ARCH_THREAD { \ + .tls_array = { [ 0 ... GDT_ENTRY_TLS_ENTRIES - 1 ] = \ + { .present = 0, .flushed = 0 } }, \ + .debugregs = { [ 0 ... 7 ] = 0 }, \ + .debugregs_seq = 0, \ + .faultinfo = { 0, 0, 0 } \ +} + +static inline void arch_flush_thread(struct arch_thread *thread) +{ + /* Clear any TLS still hanging */ + memset(&thread->tls_array, 0, sizeof(thread->tls_array)); +} + +static inline void arch_copy_thread(struct arch_thread *from, + struct arch_thread *to) +{ + memcpy(&to->tls_array, &from->tls_array, sizeof(from->tls_array)); +} #include "asm/arch/user.h"