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Remove ARM_HAVE_SUPERSECTIONS. It was only supported on some XScale CPUs.

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Sponsored by:	DARPA, AFRL
This commit is contained in:
Andrew Turner 2018-08-15 14:52:56 +00:00
parent d20512fab9
commit ac2d0191fc
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=337851
2 changed files with 0 additions and 38 deletions
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30
sys/arm/arm/pmap-v4.c
View File

@ -2369,36 +2369,6 @@ pmap_remove_pages(pmap_t pmap)
* Low level mapping routines.....
***************************************************/
#ifdef ARM_HAVE_SUPERSECTIONS
/* Map a super section into the KVA. */
void
pmap_kenter_supersection(vm_offset_t va, uint64_t pa, int flags)
{
pd_entry_t pd = L1_S_PROTO | L1_S_SUPERSEC | (pa & L1_SUP_FRAME) |
(((pa >> 32) & 0xf) << 20) | L1_S_PROT(PTE_KERNEL,
VM_PROT_READ|VM_PROT_WRITE) | L1_S_DOM(PMAP_DOMAIN_KERNEL);
struct l1_ttable *l1;
vm_offset_t va0, va_end;
KASSERT(((va | pa) & L1_SUP_OFFSET) == 0,
("Not a valid super section mapping"));
if (flags & SECTION_CACHE)
pd |= pte_l1_s_cache_mode;
else if (flags & SECTION_PT)
pd |= pte_l1_s_cache_mode_pt;
va0 = va & L1_SUP_FRAME;
va_end = va + L1_SUP_SIZE;
SLIST_FOREACH(l1, &l1_list, l1_link) {
va = va0;
for (; va < va_end; va += L1_S_SIZE) {
l1->l1_kva[L1_IDX(va)] = pd;
PTE_SYNC(&l1->l1_kva[L1_IDX(va)]);
}
}
}
#endif
/* Map a section into the KVA. */
void

8
sys/arm/include/pmap-v4.h
View File

@ -381,10 +381,6 @@ do { \
void pmap_pte_init_generic(void);
#if defined(CPU_XSCALE_81342)
#define ARM_HAVE_SUPERSECTIONS
#endif
#define PTE_KERNEL 0
#define PTE_USER 1
#define l1pte_valid(pde) ((pde) != 0)
@ -433,10 +429,6 @@ void vector_page_setprot(int);
#define SECTION_CACHE 0x1
#define SECTION_PT 0x2
void pmap_kenter_section(vm_offset_t, vm_paddr_t, int flags);
#ifdef ARM_HAVE_SUPERSECTIONS
void pmap_kenter_supersection(vm_offset_t, uint64_t, int flags);
#endif
void pmap_postinit(void);
#endif /* _KERNEL */