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32 | /** @file |
32 | /** @file |
33 | */ |
33 | */ |
34 | 34 | ||
35 | #include <proc/thread.h> |
35 | #include <proc/thread.h> |
36 | #include <arch/proc/thread.h> |
36 | #include <arch/proc/thread.h> |
37 | #include <mm/frame.h> |
37 | #include <mm/slab.h> |
38 | #include <mm/page.h> |
- | |
39 | #include <arch/mm/page.h> |
38 | #include <arch/trap/regwin.h> |
40 | #include <align.h> |
39 | #include <align.h> |
41 | 40 | ||
42 | void thr_constructor_arch(thread_t *t) |
41 | void thr_constructor_arch(thread_t *t) |
43 | { |
42 | { |
44 | /* |
43 | /* |
Line 48... | Line 47... | ||
48 | } |
47 | } |
49 | 48 | ||
50 | void thr_destructor_arch(thread_t *t) |
49 | void thr_destructor_arch(thread_t *t) |
51 | { |
50 | { |
52 | if (t->arch.uspace_window_buffer) { |
51 | if (t->arch.uspace_window_buffer) { |
- | 52 | uintptr_t uw_buf = (uintptr_t) t->arch.uspace_window_buffer; |
|
53 | /* |
53 | /* |
54 | * Mind the possible alignment of the userspace window buffer |
54 | * Mind the possible alignment of the userspace window buffer |
55 | * belonging to a killed thread. |
55 | * belonging to a killed thread. |
56 | */ |
56 | */ |
57 | frame_free(KA2PA(ALIGN_DOWN((uintptr_t) |
57 | free((uint8_t *) ALIGN_DOWN(uw_buf, UWB_ALIGNMENT)); |
58 | t->arch.uspace_window_buffer, PAGE_SIZE))); |
- | |
59 | } |
58 | } |
60 | } |
59 | } |
61 | 60 | ||
62 | void thread_create_arch(thread_t *t) |
61 | void thread_create_arch(thread_t *t) |
63 | { |
62 | { |
Line 65... | Line 64... | ||
65 | { |
64 | { |
66 | /* |
65 | /* |
67 | * The thread needs userspace window buffer and the object |
66 | * The thread needs userspace window buffer and the object |
68 | * returned from the slab allocator doesn't have any. |
67 | * returned from the slab allocator doesn't have any. |
69 | */ |
68 | */ |
70 | t->arch.uspace_window_buffer = frame_alloc(ONE_FRAME, FRAME_KA); |
69 | t->arch.uspace_window_buffer = malloc(UWB_ASIZE, 0); |
71 | } else { |
70 | } else { |
72 | uintptr_t uw_buf = (uintptr_t) t->arch.uspace_window_buffer; |
71 | uintptr_t uw_buf = (uintptr_t) t->arch.uspace_window_buffer; |
73 | 72 | ||
74 | /* |
73 | /* |
75 | * Mind the possible alignment of the userspace window buffer |
74 | * Mind the possible alignment of the userspace window buffer |
76 | * belonging to a killed thread. |
75 | * belonging to a killed thread. |
77 | */ |
76 | */ |
78 | t->arch.uspace_window_buffer = (uint8_t *) ALIGN_DOWN(uw_buf, |
77 | t->arch.uspace_window_buffer = (uint8_t *) ALIGN_DOWN(uw_buf, |
79 | PAGE_SIZE); |
78 | UWB_ASIZE); |
80 | } |
79 | } |
81 | } |
80 | } |
82 | 81 | ||
83 | /** @} |
82 | /** @} |
84 | */ |
83 | */ |