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[src/trunk]: src/sys/arch Use pmap_kenter flags to create cached/uncached ent...



details:   https://anonhg.NetBSD.org/src/rev/c1bbff441733
branches:  trunk
changeset: 816535:c1bbff441733
user:      matt <matt%NetBSD.org@localhost>
date:      Mon Jul 11 16:18:55 2016 +0000

description:
Use pmap_kenter flags to create cached/uncached entries.
#include <mips/locore.h> when appropriate

diffstat:

 sys/arch/arc/arc/bus_space_sparse.c  |  53 ++++++++++-----------------------
 sys/arch/arc/arc/c_nec_eisa.c        |   6 ++-
 sys/arch/emips/emips/interrupt.c     |   8 ++--
 sys/arch/emips/emips/xilinx_ml40x.c  |   6 +-
 sys/arch/emips/emips/xs_bee3.c       |   6 +-
 sys/arch/evbmips/cavium/machdep.c    |  20 ++++++++++-
 sys/arch/evbmips/gdium/machdep.c     |   6 +-
 sys/arch/evbmips/malta/machdep.c     |   6 +-
 sys/arch/hpcmips/hpcmips/bus_space.c |  57 +++++++++++++++++------------------
 sys/arch/hpcmips/tx/tx3912video.c    |   6 ++-
 10 files changed, 85 insertions(+), 89 deletions(-)

diffs (truncated from 443 to 300 lines):

diff -r 7564da98c692 -r c1bbff441733 sys/arch/arc/arc/bus_space_sparse.c
--- a/sys/arch/arc/arc/bus_space_sparse.c       Mon Jul 11 16:15:35 2016 +0000
+++ b/sys/arch/arc/arc/bus_space_sparse.c       Mon Jul 11 16:18:55 2016 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: bus_space_sparse.c,v 1.18 2011/07/01 19:28:00 dyoung Exp $     */
+/*     $NetBSD: bus_space_sparse.c,v 1.19 2016/07/11 16:18:55 matt Exp $       */
 /*     NetBSD: bus_machdep.c,v 1.1 2000/01/26 18:48:00 drochner Exp    */
 
 /*-
@@ -39,42 +39,21 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: bus_space_sparse.c,v 1.18 2011/07/01 19:28:00 dyoung Exp $");
+__KERNEL_RCSID(0, "$NetBSD: bus_space_sparse.c,v 1.19 2016/07/11 16:18:55 matt Exp $");
 
 #include <sys/param.h>
-#include <sys/systm.h>
+#include <sys/bus.h>
+#include <sys/extent.h>
 #include <sys/malloc.h>
-#include <sys/extent.h>
+#include <sys/systm.h>
 
 #include <uvm/uvm_extern.h>
 
-#include <mips/cpuregs.h>
+#include <mips/locore.h>
 #include <mips/pte.h>
 
-#include <sys/bus.h>
-
 extern paddr_t kvtophys(vaddr_t);      /* XXX */
 
-static void arc_kseg2_make_cacheable(vaddr_t vaddr, vsize_t size);
-
-static void
-arc_kseg2_make_cacheable(vaddr_t vaddr, vsize_t size)
-{
-       vaddr_t start, end;
-       pt_entry_t *pte;
-       uint32_t entry, mask;
-
-       start = mips_trunc_page(vaddr);
-       end = mips_round_page(vaddr + size);
-       mask = ~(CPUISMIPS3 ? MIPS3_PG_UNCACHED : MIPS1_PG_N);
-       for (; start < end; start += PAGE_SIZE) {
-               pte = kvtopte(start);
-               entry = pte->pt_entry & mask;
-               pte->pt_entry &= entry;
-               tlb_update(start, entry);
-       }
-}
-
 void
 arc_sparse_bus_space_init(bus_space_tag_t bst, const char *name, paddr_t paddr,
     bus_addr_t start, bus_size_t size)
@@ -96,7 +75,9 @@
         * Since all buses can be linearly mappable, we don't have to check
         * BUS_SPACE_MAP_LINEAR and BUS_SPACE_MAP_PREFETCHABLE.
         */
-       int cacheable = (flags & BUS_SPACE_MAP_CACHEABLE);
+       const u_int pmap_flags = (flags & BUS_SPACE_MAP_CACHEABLE)
+           ? PMAP_WRITE_BACK
+           : 0;
 
        /*
         * XXX - `bst->bs_pbase' must be page aligned,
@@ -111,22 +92,20 @@
                    MIPS_PHYS_TO_KSEG0(start) :
                    MIPS_PHYS_TO_KSEG1(start));
        } else {
-               vaddr_t va,
-                   vaddr = uvm_km_alloc(kernel_map, (vsize_t)(end - start), 0,
-                   UVM_KMF_VAONLY | UVM_KMF_NOWAIT);
+               vaddr_t vaddr = uvm_km_alloc(kernel_map, (vsize_t)(end - start),
+                   0, UVM_KMF_VAONLY | UVM_KMF_NOWAIT);
 
                if (vaddr == 0)
                        panic("arc_sparse_bus_space_compose_handle: "
                              "cannot allocate KVA 0x%llx..0x%llx",
                              start, end);
-               for (va = vaddr; start < end;
-                    start += PAGE_SIZE, va += PAGE_SIZE)
-                       pmap_kenter_pa(va, start,
-                           VM_PROT_READ|VM_PROT_WRITE, 0);
+               for (vaddr_t va = vaddr; start < end;
+                    start += PAGE_SIZE, va += PAGE_SIZE) {
+                       pmap_kenter_pa(va, start, VM_PROT_READ|VM_PROT_WRITE,
+                           pmap_flags);
+               }
                pmap_update(pmap_kernel());
                vaddr += (offset & PGOFSET);
-               if (cacheable)
-                       arc_kseg2_make_cacheable(vaddr, size);
                *bshp = vaddr;
        }
        return 0;
diff -r 7564da98c692 -r c1bbff441733 sys/arch/arc/arc/c_nec_eisa.c
--- a/sys/arch/arc/arc/c_nec_eisa.c     Mon Jul 11 16:15:35 2016 +0000
+++ b/sys/arch/arc/arc/c_nec_eisa.c     Mon Jul 11 16:18:55 2016 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: c_nec_eisa.c,v 1.16 2011/02/20 07:52:42 matt Exp $     */
+/*     $NetBSD: c_nec_eisa.c,v 1.17 2016/07/11 16:18:55 matt Exp $     */
 
 /*-
  * Copyright (c) 2003 Izumi Tsutsui.  All rights reserved.
@@ -55,7 +55,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: c_nec_eisa.c,v 1.16 2011/02/20 07:52:42 matt Exp $");
+__KERNEL_RCSID(0, "$NetBSD: c_nec_eisa.c,v 1.17 2016/07/11 16:18:55 matt Exp $");
 
 #define __INTR_PRIVATE
 #include <sys/param.h>
@@ -66,6 +66,8 @@
 
 #include <uvm/uvm_extern.h>
 
+#include <mips/locore.h>
+
 #include <machine/autoconf.h>
 #include <machine/pio.h>
 #include <machine/platform.h>
diff -r 7564da98c692 -r c1bbff441733 sys/arch/emips/emips/interrupt.c
--- a/sys/arch/emips/emips/interrupt.c  Mon Jul 11 16:15:35 2016 +0000
+++ b/sys/arch/emips/emips/interrupt.c  Mon Jul 11 16:18:55 2016 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: interrupt.c,v 1.5 2012/10/27 17:17:46 chs Exp $        */
+/*     $NetBSD: interrupt.c,v 1.6 2016/07/11 16:18:56 matt Exp $       */
 
 /*-
  * Copyright (c) 2010 The NetBSD Foundation, Inc.
@@ -31,7 +31,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: interrupt.c,v 1.5 2012/10/27 17:17:46 chs Exp $");
+__KERNEL_RCSID(0, "$NetBSD: interrupt.c,v 1.6 2016/07/11 16:18:56 matt Exp $");
 
 #include <sys/param.h>
 #include <sys/device.h>
@@ -84,11 +84,11 @@
 
        tlb.tlb_hi = INTERRUPT_CONTROLLER_DEFAULT_ADDRESS;
        tlb.tlb_lo0 = INTERRUPT_CONTROLLER_DEFAULT_ADDRESS | 0xf02;
-       tlb_write_indexed(4, &tlb);
+       tlb_write_entry(4, &tlb);
 
        tlb.tlb_hi = TIMER_DEFAULT_ADDRESS;
        tlb.tlb_lo0 = TIMER_DEFAULT_ADDRESS | 0xf02;
-       tlb_write_indexed(5, &tlb);
+       tlb_write_entry(5, &tlb);
 }
 
 /*
diff -r 7564da98c692 -r c1bbff441733 sys/arch/emips/emips/xilinx_ml40x.c
--- a/sys/arch/emips/emips/xilinx_ml40x.c       Mon Jul 11 16:15:35 2016 +0000
+++ b/sys/arch/emips/emips/xilinx_ml40x.c       Mon Jul 11 16:18:55 2016 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: xilinx_ml40x.c,v 1.3 2014/03/24 20:06:31 christos Exp $ */
+/* $NetBSD: xilinx_ml40x.c,v 1.4 2016/07/11 16:18:56 matt Exp $ */
 
 /*-
  * Copyright (c) 2010 The NetBSD Foundation, Inc.
@@ -31,7 +31,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: xilinx_ml40x.c,v 1.3 2014/03/24 20:06:31 christos Exp $");
+__KERNEL_RCSID(0, "$NetBSD: xilinx_ml40x.c,v 1.4 2016/07/11 16:18:56 matt Exp $");
 
 #define __INTR_PRIVATE
 
@@ -122,7 +122,7 @@
 
        tlb.tlb_hi = USART_DEFAULT_ADDRESS;
        tlb.tlb_lo0 = USART_DEFAULT_ADDRESS | 0xf02;
-       tlb_write_indexed(3, &tlb);
+       tlb_write_entry(3, &tlb);
 #endif
 
        dz_ebus_cnsetup(USART_DEFAULT_ADDRESS);
diff -r 7564da98c692 -r c1bbff441733 sys/arch/emips/emips/xs_bee3.c
--- a/sys/arch/emips/emips/xs_bee3.c    Mon Jul 11 16:15:35 2016 +0000
+++ b/sys/arch/emips/emips/xs_bee3.c    Mon Jul 11 16:18:55 2016 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: xs_bee3.c,v 1.4 2014/03/24 20:06:31 christos Exp $ */
+/* $NetBSD: xs_bee3.c,v 1.5 2016/07/11 16:18:56 matt Exp $ */
 
 /*-
  * Copyright (c) 2010 The NetBSD Foundation, Inc.
@@ -31,7 +31,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: xs_bee3.c,v 1.4 2014/03/24 20:06:31 christos Exp $");
+__KERNEL_RCSID(0, "$NetBSD: xs_bee3.c,v 1.5 2016/07/11 16:18:56 matt Exp $");
 
 #define __INTR_PRIVATE
 
@@ -119,7 +119,7 @@
 
        tlb.tlb_hi = USART_DEFAULT_ADDRESS;
        tlb.tlb_lo0 = USART_DEFAULT_ADDRESS | 0xf02;
-       tlb_write_indexed(3, &tlb);
+       tlb_write_entry(3, &tlb);
 #endif
 
        dz_ebus_cnsetup(USART_DEFAULT_ADDRESS);
diff -r 7564da98c692 -r c1bbff441733 sys/arch/evbmips/cavium/machdep.c
--- a/sys/arch/evbmips/cavium/machdep.c Mon Jul 11 16:15:35 2016 +0000
+++ b/sys/arch/evbmips/cavium/machdep.c Mon Jul 11 16:18:55 2016 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: machdep.c,v 1.5 2015/06/10 22:31:00 matt Exp $ */
+/*     $NetBSD: machdep.c,v 1.6 2016/07/11 16:18:56 matt Exp $ */
 
 /*
  * Copyright 2001, 2002 Wasabi Systems, Inc.
@@ -114,7 +114,7 @@
 #include "opt_multiprocessor.h"
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: machdep.c,v 1.5 2015/06/10 22:31:00 matt Exp $");
+__KERNEL_RCSID(0, "$NetBSD: machdep.c,v 1.6 2016/07/11 16:18:56 matt Exp $");
 
 #include <sys/param.h>
 #include <sys/systm.h>
@@ -179,6 +179,8 @@
 struct octeon_config octeon_configuration;
 struct octeon_btinfo octeon_btinfo;
 
+char octeon_nmi_stack[PAGE_SIZE] __section(".data1") __aligned(PAGE_SIZE);
+
 /*
  * Do all the stuff that locore normally does before calling main().
  */
@@ -192,7 +194,7 @@
        mach_init_bss();
 
        KASSERT(MIPS_XKPHYS_P(arg3));
-       btinfo_paddr = mips64_ld_a64(arg3 + OCTEON_BTINFO_PADDR_OFFSET);
+       btinfo_paddr = mips3_ld(arg3 + OCTEON_BTINFO_PADDR_OFFSET);
 
        /* Should be in first 256MB segment */
        KASSERT(btinfo_paddr < 256 * 1024 * 1024);
@@ -235,6 +237,18 @@
        boothowto = RB_AUTOBOOT;
        boothowto |= AB_VERBOSE;
 
+#if 0
+       curcpu()->ci_nmi_stack = octeon_nmi_stack + sizeof(octeon_nmi_stack) - sizeof(struct kernframe);
+       *(uint64_t *)MIPS_PHYS_TO_KSEG0(0x800) = (intptr_t)octeon_reset_vector;
+       const uint64_t wdog_reg = MIPS_PHYS_TO_XKPHYS_UNCACHED(CIU_WDOG0);
+       uint64_t wdog = mips3_ld(wdog_reg);
+       wdog &= ~(CIU_WDOGX_MODE|CIU_WDOGX_LEN);
+       wdog |= __SHIFTIN(3, CIU_WDOGX_MODE);
+       wdog |= CIU_WDOGX_LEN;          // max period
+       mips64_sd_a64(wdog_reg, wdog);
+       printf("Watchdog enabled!\n");
+#endif
+
 #if defined(DDB)
        if (boothowto & RB_KDB)
                Debugger();
diff -r 7564da98c692 -r c1bbff441733 sys/arch/evbmips/gdium/machdep.c
--- a/sys/arch/evbmips/gdium/machdep.c  Mon Jul 11 16:15:35 2016 +0000
+++ b/sys/arch/evbmips/gdium/machdep.c  Mon Jul 11 16:18:55 2016 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: machdep.c,v 1.18 2016/02/01 17:37:39 christos Exp $    */
+/*     $NetBSD: machdep.c,v 1.19 2016/07/11 16:18:56 matt Exp $        */
 
 /*
  * Copyright 2001, 2002 Wasabi Systems, Inc.
@@ -74,7 +74,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: machdep.c,v 1.18 2016/02/01 17:37:39 christos Exp $");
+__KERNEL_RCSID(0, "$NetBSD: machdep.c,v 1.19 2016/07/11 16:18:56 matt Exp $");
 
 #include "opt_ddb.h"
 #include "opt_execfmt.h"
@@ -255,7 +255,7 @@
        /*
         * Disable the 2nd PCI window since we don't need it.
         */
-       mips3_sd((uint64_t *)MIPS_PHYS_TO_KSEG1(BONITO_REGBASE + 0x158), 0xe);
+       mips3_sd(MIPS_PHYS_TO_KSEG1(BONITO_REGBASE + 0x158), 0xe);
        pci_conf_write(&gc->gc_pc, pci_make_tag(&gc->gc_pc, 0, 0, 0), 18, 0);
 
        /*
diff -r 7564da98c692 -r c1bbff441733 sys/arch/evbmips/malta/machdep.c
--- a/sys/arch/evbmips/malta/machdep.c  Mon Jul 11 16:15:35 2016 +0000
+++ b/sys/arch/evbmips/malta/machdep.c  Mon Jul 11 16:18:55 2016 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: machdep.c,v 1.44 2015/06/01 22:55:12 matt Exp $        */
+/*     $NetBSD: machdep.c,v 1.45 2016/07/11 16:18:56 matt Exp $        */
 



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