Author: andrew
Date: Wed Aug 15 14:52:56 2018
New Revision: 337851
URL: https://svnweb.freebsd.org/changeset/base/337851
Log:
Remove ARM_HAVE_SUPERSECTIONS. It was only supported on some XScale CPUs.
Sponsored by: DARPA, AFRL
Modified:
head/sys/arm/arm/pmap-v4.c
head/sys/arm/include/pmap-v4.h
Modified: head/sys/arm/arm/pmap-v4.c
==============================================================================
--- head/sys/arm/arm/pmap-v4.c Wed Aug 15 14:45:01 2018 (r337850)
+++ head/sys/arm/arm/pmap-v4.c Wed Aug 15 14:52:56 2018 (r337851)
@@ -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
Modified: head/sys/arm/include/pmap-v4.h
==============================================================================
--- head/sys/arm/include/pmap-v4.h Wed Aug 15 14:45:01 2018
(r337850)
+++ head/sys/arm/include/pmap-v4.h Wed Aug 15 14:52:56 2018
(r337851)
@@ -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 */
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