63,6 → 63,9 |
__u32 last_tid = 0; |
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static slab_cache_t *thread_slab; |
#ifdef ARCH_HAS_FPU |
slab_cache_t *fpu_context_slab; |
#endif |
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/** Thread wrapper |
103,9 → 106,24 |
link_initialize(&t->th_link); |
link_initialize(&t->threads_link); |
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#ifdef ARCH_HAS_FPU |
# ifdef CONFIG_FPU_LAZY |
t->saved_fpu_context = NULL; |
# else |
t->saved_fpu_context = slab_alloc(fpu_context_slab,kmflags); |
if (!t->saved_fpu_context) |
return -1; |
# endif |
#endif |
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pfn = frame_alloc_rc(ONE_FRAME, FRAME_KA | kmflags,&status); |
if (status) |
if (status) { |
#ifdef ARCH_HAS_FPU |
if (t->saved_fpu_context) |
slab_free(fpu_context_slab,t->saved_fpu_context); |
#endif |
return -1; |
} |
t->kstack = (__u8 *)PA2KA(PFN2ADDR(pfn)); |
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return 0; |
117,6 → 135,10 |
thread_t *t = (thread_t *)obj; |
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frame_free(ADDR2PFN(KA2PA(t->kstack))); |
#ifdef ARCH_HAS_FPU |
if (t->saved_fpu_context) |
slab_free(fpu_context_slab,t->saved_fpu_context); |
#endif |
return 1; /* One page freed */ |
} |
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132,6 → 154,12 |
thread_slab = slab_cache_create("thread_slab", |
sizeof(thread_t),0, |
thr_constructor, thr_destructor, 0); |
#ifdef ARCH_HAS_FPU |
fpu_context_slab = slab_cache_create("fpu_slab", |
sizeof(fpu_context_t), |
FPU_CONTEXT_ALIGN, |
NULL, NULL, 0); |
#endif |
} |
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