gh0s7/mckernel
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

add arm64 support

Browse Source 
- add arm64 dependent codes with GICv3 and SVE support
- fix bugs based on architecture separation requests
This commit is contained in:
Takayuki Okamoto
2017-09-05 15:06:27 +09:00
parent 704096b139
commit 9989f41fd3
192 changed files with 26941 additions and 34 deletions
Download Patch File Download Diff File Expand all files Collapse all files

113
kernel/mem.c
View File

@ -1,3 +1,4 @@
/* mem.c COPYRIGHT FUJITSU LIMITED 2015-2017 */
/**
* \file mem.c
* License details are found in the file LICENSE.
@ -867,6 +868,12 @@ void coredump(struct thread *thread, void *regs)
struct coretable *coretable;
int chunks;
#ifdef POSTK_DEBUG_ARCH_DEP_67 /* use limit corefile size. (temporarily fix.) */
if (thread->proc->rlimit[MCK_RLIMIT_CORE].rlim_cur == 0) {
return;
}
#endif /* POSTK_DEBUG_ARCH_DEP_67 */
ret = gencore(thread, regs, &coretable, &chunks);
if (ret != 0) {
dkprintf("could not generate a core file image\n");
@ -885,6 +892,7 @@ void coredump(struct thread *thread, void *regs)
freecore(&coretable);
}
#ifndef POSTK_DEBUG_ARCH_DEP_8
void remote_flush_tlb_cpumask(struct process_vm *vm,
unsigned long addr, int cpu_id)
{
@ -941,8 +949,14 @@ void remote_flush_tlb_array_cpumask(struct process_vm *vm,
dkprintf("remote_flush_tlb_cpumask: flush_ind: %d, addr: 0x%lX, interrupting cpu: %d\n",
flush_ind, addr, cpu);
#ifdef POSTK_DEBUG_ARCH_DEP_8 /* arch depend hide */
/* TODO(pka_idke) Interim support */
ihk_mc_interrupt_cpu(cpu,
ihk_mc_get_vector(flush_ind + IHK_TLB_FLUSH_IRQ_VECTOR_START));
#else /* POSTK_DEBUG_ARCH_DEP_8 */
ihk_mc_interrupt_cpu(get_x86_cpu_local_variable(cpu)->apic_id,
flush_ind + IHK_TLB_FLUSH_IRQ_VECTOR_START);
#endif /* POSTK_DEBUG_ARCH_DEP_8 */
}
#ifdef DEBUG_IC_TLB
@ -979,6 +993,7 @@ void remote_flush_tlb_array_cpumask(struct process_vm *vm,
ihk_mc_spinlock_unlock_noirq(&flush_entry->lock);
}
#endif /* POSTK_DEBUG_ARCH_DEP_8 */
void tlb_flush_handler(int vector)
{
@ -1545,11 +1560,18 @@ void ihk_mc_unmap_virtual(void *va, int npages, int free_physical)
for (i = 0; i < npages; i++) {
ihk_mc_pt_clear_page(NULL, (char *)va + (i << PAGE_SHIFT));
}
#ifdef POSTK_DEBUG_TEMP_FIX_42 /* add unmap virtual tlb flush. */
flush_tlb();
#endif /* POSTK_DEBUG_TEMP_FIX_42 */
#ifdef POSTK_DEBUG_TEMP_FIX_51 /* ihk_mc_unmap_virtual() free_physical disabled */
ihk_pagealloc_free(vmap_allocator, (unsigned long)va, npages);
#else /* POSTK_DEBUG_TEMP_FIX_51 */
if (free_physical) {
ihk_pagealloc_free(vmap_allocator, (unsigned long)va, npages);
flush_tlb_single((unsigned long)va);
}
#endif /* POSTK_DEBUG_TEMP_FIX_51 */
}
#ifdef ATTACHED_MIC
@ -1604,8 +1626,14 @@ void ihk_mc_clean_micpa(void){
}
#endif
#ifdef POSTK_DEBUG_TEMP_FIX_73 /* NULL access for *monitor fix */
extern void monitor_init(void);
#endif /* POSTK_DEBUG_TEMP_FIX_73 */
void mem_init(void)
{
#ifdef POSTK_DEBUG_TEMP_FIX_73 /* NULL access for *monitor fix */
monitor_init();
#endif /* !POSTK_DEBUG_TEMP_FIX_73 */
/* Initialize NUMA information and memory allocator bitmaps */
numa_init();
@ -1944,10 +1972,17 @@ static void ___kmalloc_insert_chunk(struct list_head *free_list,
if (next_chunk) {
list_add_tail(&chunk->list, &next_chunk->list);
}
#ifdef POSTK_DEBUG_TEMP_FIX_46 /* kmalloc free_list consolidate bug fix. */
/* Add tail */
else {
list_add_tail(&chunk->list, free_list);
}
#else /* POSTK_DEBUG_TEMP_FIX_46 */
/* Add after the head */
else {
list_add(&chunk->list, free_list);
}
#endif /* POSTK_DEBUG_TEMP_FIX_46 */
return;
}
@ -2128,3 +2163,81 @@ void ___kmalloc_print_free_list(struct list_head *list)
kprintf_unlock(irqflags);
}
#ifdef POSTK_DEBUG_ARCH_DEP_27
int search_free_space(struct thread *thread, size_t len, intptr_t hint,
int pgshift, intptr_t *addrp)
{
struct vm_regions *region = &thread->vm->region;
intptr_t addr;
int error;
struct vm_range *range;
size_t pgsize = (size_t)1 << pgshift;
dkprintf("search_free_space(%lx,%lx,%d,%p)\n", len, hint, pgshift, addrp);
addr = hint;
for (;;) {
addr = (addr + pgsize - 1) & ~(pgsize - 1);
if ((region->user_end <= addr)
|| ((region->user_end - len) < addr)) {
ekprintf("search_free_space(%lx,%lx,%p):"
"no space. %lx %lx\n",
len, hint, addrp, addr,
region->user_end);
error = -ENOMEM;
goto out;
}
range = lookup_process_memory_range(thread->vm, addr, addr+len);
if (range == NULL) {
break;
}
addr = range->end;
}
error = 0;
*addrp = addr;
out:
dkprintf("search_free_space(%lx,%lx,%d,%p): %d %lx\n",
len, hint, pgshift, addrp, error, addr);
return error;
}
#endif /* POSTK_DEBUG_ARCH_DEP_27 */
#ifdef POSTK_DEBUG_TEMP_FIX_52 /* supports NUMA for memory area determination */
#ifdef IHK_RBTREE_ALLOCATOR
int is_mckernel_memory(unsigned long phys)
{
int i;
for (i = 0; i < ihk_mc_get_nr_memory_chunks(); ++i) {
unsigned long start, end;
int numa_id;
ihk_mc_get_memory_chunk(i, &start, &end, &numa_id);
if (start <= phys && phys < end) {
return 1;
}
}
return 0;
}
#else /* IHK_RBTREE_ALLOCATOR */
int is_mckernel_memory(unsigned long phys)
{
int i;
for (i = 0; i < ihk_mc_get_nr_numa_nodes(); ++i) {
struct ihk_page_allocator_desc *pa_allocator;
list_for_each_entry(pa_allocator,
&memory_nodes[i].allocators, list) {
if (pa_allocator->start <= phys && phys < pa_allocator->end) {
return 1;
}
}
}
return 0;
}
#endif /* IHK_RBTREE_ALLOCATOR */
#endif /* POSTK_DEBUG_TEMP_FIX_52 */