[src/trunk]: src/sys/arch/mips/mips use mips3_ld() and mips3_sd() for all acc...

[macallan <macallan%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/b6a2bc869ab1
branches:  trunk
changeset: 811294:b6a2bc869ab1
user:      macallan <macallan%NetBSD.org@localhost>
date:      Wed Oct 21 15:47:19 2015 +0000

description:
use mips3_ld() and mips3_sd() for all accesses if CHIP_ACCESS_SIZE == 8 and
we're on o32
Now serial console works on O2 with o32 kernels again

diffstat:

 sys/arch/mips/mips/bus_space_alignstride_chipdep.c |  57 +++++++++++++++++++--
 1 files changed, 51 insertions(+), 6 deletions(-)

diffs (166 lines):

diff -r 717454e71acd -r b6a2bc869ab1 sys/arch/mips/mips/bus_space_alignstride_chipdep.c
--- a/sys/arch/mips/mips/bus_space_alignstride_chipdep.c        Wed Oct 21 15:37:35 2015 +0000
+++ b/sys/arch/mips/mips/bus_space_alignstride_chipdep.c        Wed Oct 21 15:47:19 2015 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: bus_space_alignstride_chipdep.c,v 1.23 2015/02/27 14:44:16 macallan Exp $ */
+/* $NetBSD: bus_space_alignstride_chipdep.c,v 1.24 2015/10/21 15:47:19 macallan Exp $ */
 
 /*-
  * Copyright (c) 1998, 2000, 2001 The NetBSD Foundation, Inc.
@@ -86,7 +86,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: bus_space_alignstride_chipdep.c,v 1.23 2015/02/27 14:44:16 macallan Exp $");
+__KERNEL_RCSID(0, "$NetBSD: bus_space_alignstride_chipdep.c,v 1.24 2015/10/21 15:47:19 macallan Exp $");
 
 #ifdef CHIP_EXTENT
 #include <sys/extent.h>
@@ -685,8 +685,11 @@
 
         shift = (h & (CHIP_ACCESS_SIZE - 1)) * 8;
         ptr = (void *)(h & ~((bus_space_handle_t)(CHIP_ACCESS_SIZE - 1)));
-        r = (uint8_t)(CHIP_SWAP_ACCESS(*ptr) >> shift);
-
+#if defined(NEED_64BIT_ASM) && (CHIP_ACCESS_SIZE == 8)
+       r = (uint8_t)(CHIP_SWAP_ACCESS(mips3_ld(ptr)) >> shift);
+#else
+       r = (uint8_t)(CHIP_SWAP_ACCESS(*ptr) >> shift);
+#endif
         return r;
 }
 
@@ -705,8 +708,11 @@
         h += CHIP_OFF16(off);
         shift = (h & (CHIP_ACCESS_SIZE - 1)) * 8;
         ptr = (void *)(h & ~((bus_space_handle_t)(CHIP_ACCESS_SIZE - 1)));
+#if defined(NEED_64BIT_ASM) && (CHIP_ACCESS_SIZE == 8)
+       r = (uint16_t)CHIP_SWAP16(mips3_ld(ptr) >> shift);
+#else
        r = (uint16_t)CHIP_SWAP16(*ptr >> shift);
-
+#endif
        return r;
 }
 
@@ -725,8 +731,11 @@
         h += CHIP_OFF32(off);
         shift = (h & (CHIP_ACCESS_SIZE - 1)) * 8;
         ptr = (void *)(h & ~((bus_space_handle_t)(CHIP_ACCESS_SIZE - 1)));
+#if defined(NEED_64BIT_ASM) && (CHIP_ACCESS_SIZE == 8)
+       r = (uint32_t)CHIP_SWAP32(mips3_ld(ptr) >> shift);
+#else
        r = (uint32_t)CHIP_SWAP32(*ptr >> shift);
-
+#endif
        return r;
 }
 
@@ -798,7 +807,11 @@
        h += CHIP_OFF8(off);
        shift = (h & (CHIP_ACCESS_SIZE - 1)) * 8;
        ptr = (void *)(h & ~((bus_space_handle_t)(CHIP_ACCESS_SIZE - 1)));
+#if defined(NEED_64BIT_ASM) && (CHIP_ACCESS_SIZE == 8)
+       mips3_sd(ptr, CHIP_SWAP_ACCESS(((CHIP_TYPE)val) << shift));
+#else
        *ptr = CHIP_SWAP_ACCESS(((CHIP_TYPE)val) << shift);
+#endif
 }
 
 static void
@@ -816,7 +829,11 @@
        shift = (h & (CHIP_ACCESS_SIZE - 1)) * 8;
        ptr = (void *)(h & ~((bus_space_handle_t)(CHIP_ACCESS_SIZE - 1)));
        if (CHIP_ACCESS_SIZE > 2)
+#if defined(NEED_64BIT_ASM) && (CHIP_ACCESS_SIZE == 8)
+               mips3_sd(ptr, (CHIP_TYPE)(CHIP_SWAP16(val)) << shift);
+#else
                *ptr = (CHIP_TYPE)(CHIP_SWAP16(val)) << shift;
+#endif
        else
                *ptr = CHIP_SWAP16(val);
 }
@@ -836,7 +853,11 @@
         shift = (h & (CHIP_ACCESS_SIZE - 1)) * 8;
         ptr = (void *)(h & ~((bus_space_handle_t)(CHIP_ACCESS_SIZE - 1)));
         if (CHIP_ACCESS_SIZE > 4)
+#if defined(NEED_64BIT_ASM) && (CHIP_ACCESS_SIZE == 8)
+               mips3_sd(ptr, (CHIP_TYPE)(CHIP_SWAP32(val)) << shift);
+#else
                *ptr = (CHIP_TYPE)(CHIP_SWAP32(val)) << shift;
+#endif
         else
                 *ptr = CHIP_SWAP32(val);
 }
@@ -960,7 +981,11 @@
 #endif /* CHIP_ACCESS_SIZE > 1 */
 
        ptr = (void *)(intptr_t)(h + CHIP_OFF8(off));
+#if defined(NEED_64BIT_ASM) && (CHIP_ACCESS_SIZE == 8)
+       return mips3_ld(ptr) & 0xff;
+#else
        return *ptr & 0xff;
+#endif
 }
 
 static uint16_t
@@ -973,7 +998,11 @@
 #endif /* CHIP_ACCESS_SIZE > 2 */
 
        ptr = (void *)(intptr_t)(h + CHIP_OFF16(off));
+#if defined(NEED_64BIT_ASM) && (CHIP_ACCESS_SIZE == 8)
+       return mips3_ld(ptr) & 0xffff;
+#else
        return *ptr & 0xffff;
+#endif
 }
 
 static uint32_t
@@ -986,7 +1015,11 @@
 #endif
 
        ptr = (void *)(intptr_t)(h + CHIP_OFF32(off));
+#if defined(NEED_64BIT_ASM) && (CHIP_ACCESS_SIZE == 8)
+       return mips3_ld(ptr) & 0xffffffff;
+#else
        return *ptr & 0xffffffff;
+#endif
 }
 
 static uint64_t
@@ -1046,7 +1079,11 @@
 #endif /* CHIP_ACCESS_SIZE > 1 */
 
        ptr = (void *)(intptr_t)(h + CHIP_OFF8(off));
+#if defined(NEED_64BIT_ASM) && (CHIP_ACCESS_SIZE == 8)
+       mips3_sd(ptr, val);
+#else
        *ptr = val;
+#endif
 }
 
 static void
@@ -1060,7 +1097,11 @@
 #endif /* CHIP_ACCESS_SIZE > 2 */
 
        ptr = (void *)(intptr_t)(h + CHIP_OFF16(off));
+#if defined(NEED_64BIT_ASM) && (CHIP_ACCESS_SIZE == 8)
+       mips3_sd(ptr, val);
+#else
        *ptr = val;
+#endif
 }
 
 static void
@@ -1074,7 +1115,11 @@
 #endif /* CHIP_ACCESS_SIZE > 4 */
 
        ptr = (void *)(intptr_t)(h + CHIP_OFF32(off));
+#if defined(NEED_64BIT_ASM) && (CHIP_ACCESS_SIZE == 8)
+       mips3_sd(ptr, val);
+#else
        *ptr = val;
+#endif
 }
 
 static void