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27 | */ |
27 | */ |
28 | 28 | ||
29 | #ifndef __sparc64_CONTEXT_H__ |
29 | #ifndef __sparc64_CONTEXT_H__ |
30 | #define __sparc64_CONTEXT_H__ |
30 | #define __sparc64_CONTEXT_H__ |
31 | 31 | ||
- | 32 | #ifndef __sparc64_TYPES_H__ |
|
32 | #include <arch/types.h> |
33 | # include <arch/types.h> |
- | 34 | #endif |
|
- | 35 | ||
33 | #include <typedefs.h> |
36 | #ifndef __ALIGN_H__ |
34 | #include <align.h> |
37 | # include <align.h> |
- | 38 | #endif |
|
35 | 39 | ||
- | 40 | #define STACK_ALIGNMENT 8 |
|
36 | #define STACK_ITEM_SIZE 8 |
41 | #define STACK_ITEM_SIZE 8 |
37 | 42 | ||
38 | /* |
43 | /* |
39 | * One item is put onto the stack to support get_stack_base(). |
44 | * One item is put onto the stack to support get_stack_base(). |
40 | */ |
45 | */ |
41 | #define SP_DELTA (0+STACK_ITEM_SIZE) |
46 | #define SP_DELTA (0+STACK_ITEM_SIZE) |
42 | 47 | ||
- | 48 | #ifdef context_set |
|
- | 49 | #undef context_set |
|
- | 50 | #endif |
|
- | 51 | ||
- | 52 | #define context_set(c, _pc, stack, size) \ |
|
- | 53 | (c)->pc = ((__address) _pc) - 8; \ |
|
- | 54 | (c)->sp = ((__address) stack) + (ALIGN((size), STACK_ALIGNMENT) + 1) - SP_DELTA; |
|
- | 55 | ||
43 | /* |
56 | /* |
44 | * Only save registers that must be preserved across |
57 | * Only save registers that must be preserved across |
45 | * function calls. |
58 | * function calls. |
46 | */ |
59 | */ |
47 | struct context { |
60 | struct context { |
- | 61 | __u64 l0; |
|
- | 62 | __u64 l1; |
|
48 | 63 | __u64 l2; |
|
49 | __address bsp; |
64 | __u64 l3; |
- | 65 | __u64 l4; |
|
- | 66 | __u64 l5; |
|
- | 67 | __u64 l6; |
|
- | 68 | __u64 l7; |
|
- | 69 | __u64 i1; |
|
- | 70 | __u64 i2; |
|
- | 71 | __u64 i3; |
|
- | 72 | __u64 i4; |
|
- | 73 | __u64 i5; |
|
50 | __address sp; |
74 | __address sp; /* %i6 */ |
51 | __address pc; |
75 | __address pc; /* %i7 */ |
52 | ipl_t ipl; |
76 | ipl_t ipl; |
53 | } __attribute__ ((packed)); |
77 | }; |
54 | 78 | ||
55 | #endif |
79 | #endif |