| 63,6 → 63,9 |
|---|
| __u32 last_tid = 0; |
| |
| static slab_cache_t *thread_slab; |
| #ifdef ARCH_HAS_FPU |
| slab_cache_t *fpu_context_slab; |
| #endif |
| |
| |
| /** Thread wrapper |
| 103,9 → 106,24 |
|---|
| link_initialize(&t->th_link); |
| link_initialize(&t->threads_link); |
| |
| #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 |
| |
| 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)); |
| |
| return 0; |
| 117,6 → 135,10 |
|---|
| thread_t *t = (thread_t *)obj; |
| |
| 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 */ |
| } |
| |
| 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 |
| } |
| |
| |