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Diffstat (limited to 'include/asm-um/processor-i386.h')
-rw-r--r--include/asm-um/processor-i386.h35
1 files changed, 31 insertions, 4 deletions
diff --git a/include/asm-um/processor-i386.h b/include/asm-um/processor-i386.h
index 4108a579eb9..595f1c3e1e4 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 +6,48 @@
#ifndef __UM_PROCESSOR_I386_H
#define __UM_PROCESSOR_I386_H
+#include "linux/string.h"
+#include "asm/host_ldt.h"
+#include "asm/segment.h"
+
extern int host_has_xmm;
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"