diff options
Diffstat (limited to 'xen/include/asm-i386/processor.h')
| -rw-r--r-- | xen/include/asm-i386/processor.h | 34 |
1 files changed, 3 insertions, 31 deletions
diff --git a/xen/include/asm-i386/processor.h b/xen/include/asm-i386/processor.h index eb0ca7001a..f358325d1f 100644 --- a/xen/include/asm-i386/processor.h +++ b/xen/include/asm-i386/processor.h @@ -340,16 +340,9 @@ struct tss_struct { }; struct thread_struct { - unsigned long esp0; /* top of the stack */ - unsigned long eip; /* in kernel space, saved on task switch */ - unsigned long esp; /* "" */ - unsigned long fs; /* "" (NB. DS/ES constant in mon, so no save) */ - unsigned long gs; /* "" ("") */ unsigned long esp1, ss1; /* Hardware debugging registers */ unsigned long debugreg[8]; /* %%db0-7 debug registers */ -/* fault info */ - unsigned long cr2, trap_no, error_code; /* floating point info */ union i387_union i387; /* Trap info. */ @@ -376,10 +369,8 @@ extern struct desc_struct *idt_tables[]; &((_p)->fast_trap_desc), 8)) #define INIT_THREAD { \ - sizeof(idle0_stack) + (long) &idle0_stack, /* esp0 */ \ - 0, 0, 0, 0, 0, 0, \ + 0, 0, \ { [0 ... 7] = 0 }, /* debugging registers */ \ - 0, 0, 0, \ { { 0, }, }, /* 387 state */ \ 0x20, { 0, 0 }, /* DEFAULT_FAST_TRAP */ \ { {0} } /* io permissions */ \ @@ -387,8 +378,8 @@ extern struct desc_struct *idt_tables[]; #define INIT_TSS { \ 0,0, /* back_link, __blh */ \ - sizeof(idle0_stack) + (long) &idle0_stack, /* esp0 */ \ - __HYPERVISOR_DS, 0, /* ss0 */ \ + 0, /* esp0 */ \ + 0, 0, /* ss0 */ \ 0,0,0,0,0,0, /* stack1, stack2 */ \ 0, /* cr3 */ \ 0,0, /* eip,eflags */ \ @@ -416,29 +407,10 @@ extern int kernel_thread(int (*fn)(void *), void * arg, unsigned long flags); extern void copy_segments(struct task_struct *p, struct mm_struct * mm); extern void release_segments(struct mm_struct * mm); -/* - * Return saved PC of a blocked thread. - */ -static inline unsigned long thread_saved_pc(struct thread_struct *t) -{ - return ((unsigned long *)t->esp)[3]; -} - unsigned long get_wchan(struct task_struct *p); #define KSTK_EIP(tsk) (((unsigned long *)(4096+(unsigned long)(tsk)))[1019]) #define KSTK_ESP(tsk) (((unsigned long *)(4096+(unsigned long)(tsk)))[1022]) -#define THREAD_SIZE (2*PAGE_SIZE) -#define alloc_task_struct() \ - ((struct task_struct *) __get_free_pages(GFP_KERNEL,1)) -#define put_task_struct(_p) \ - if ( atomic_dec_and_test(&(_p)->refcnt) ) release_task(_p) -#define get_task_struct(_p) \ - atomic_inc(&(_p)->refcnt) - -#define idle0_task (idle0_task_union.task) -#define idle0_stack (idle0_task_union.stack) - struct microcode { unsigned int hdrver; unsigned int rev; |