Subversion Repositories HelenOS

Rev

Rev 354 | Rev 403 | Go to most recent revision | Show entire file | Regard whitespace | Details | Blame | Last modification | View Log | RSS feed

Rev 354 Rev 402
Line 28... Line 28...
28 
 
 28 
 
29 
#ifndef __ia64_CONTEXT_H__
 29 
#ifndef __ia64_CONTEXT_H__
30 
#define __ia64_CONTEXT_H__
 30 
#define __ia64_CONTEXT_H__
31 
 
 31 
 
32 
#include <arch/types.h>
 32 
#include <arch/types.h>
- 
 
 33 
#include <align.h>
33 
 
 34 
 
34 
#define STACK_ITEM_SIZE 16
 35 
#define STACK_ITEM_SIZE 16
- 
 
 36 
#define STACK_ALIGNMENT 16
35 
 
 37 
 
36 
/*
 38 
/*
37 
 * context_save() and context_restore() are both leaf procedures.
 39 
 * context_save() and context_restore() are both leaf procedures.
38 
 * No need to allocate scratch area.
 40 
 * No need to allocate scratch area.
39 
 *
 41 
 *
Line 45... Line 47...
45 
#undef context_set
 47 
#undef context_set
46 
#endif
 48 
#endif
47 
 
 49 
 
48 
#define context_set(c, _pc, stack, size)            \
 50 
#define context_set(c, _pc, stack, size)                        \
49 
    (c)->pc = (__address) _pc;              \
 51 
    (c)->pc = (__address) _pc;                          \
50 
    (c)->bsp = ((__address) stack) + (sizeof(the_t));   \
 52 
    (c)->bsp = ((__address) stack) + (ALIGN(sizeof(the_t), STACK_ALIGNMENT));   \
51 
    (c)->sp = ((__address) stack) + (size) - SP_DELTA;
 53 
    (c)->sp = ((__address) stack) + (size) - SP_DELTA;
52 
 
 54 
 
53 
/*
 55 
/*
54 
 * Only save registers that must be preserved across
 56 
 * Only save registers that must be preserved across
55 
 * function calls.
 57 
 * function calls.