| /trunk/kernel/arch/sparc64/include/arch.h |
|---|
| 40,6 → 40,7 |
| #define ASI_AIUP 0x10 /** Access to primary context with user privileges. */ |
| #define ASI_AIUS 0x11 /** Access to secondary context with user privileges. */ |
| #define ASI_NUCLEUS_QUAD_LDD 0x24 /** ASI for 16-byte atomic loads. */ |
| #define ASI_DCACHE_TAG 0x47 /** ASI D-Cache Tag. */ |
| #define ASI_UPA_CONFIG 0x4a /** ASI of the UPA_CONFIG register. */ |
| #define NWINDOWS 8 /** Number of register window sets. */ |
| /trunk/kernel/arch/sparc64/include/mm/cache.h |
|---|
| 0,0 → 1,43 |
| /* |
| * Copyright (C) 2006 Jakub Jermar |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * - Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * - Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * - The name of the author may not be used to endorse or promote products |
| * derived from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| /** @addtogroup sparc64mm |
| * @{ |
| */ |
| /** @file |
| */ |
| #ifndef KERN_sparc64_CACHE_H_ |
| #define KERN_sparc64_CACHE_H_ |
| extern void dcache_flush(void); |
| #endif |
| /** @} |
| */ |
| /trunk/kernel/arch/sparc64/Makefile.inc |
|---|
| 83,6 → 83,7 |
| arch/$(ARCH)/src/fpu_context.c \ |
| arch/$(ARCH)/src/dummy.s \ |
| arch/$(ARCH)/src/mm/as.c \ |
| arch/$(ARCH)/src/mm/cache.c \ |
| arch/$(ARCH)/src/mm/frame.c \ |
| arch/$(ARCH)/src/mm/page.c \ |
| arch/$(ARCH)/src/mm/tlb.c \ |
| /trunk/kernel/arch/sparc64/src/mm/cache.S |
|---|
| 0,0 → 1,44 |
| /* |
| * Copyright (C) 2006 Jakub Jermar |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * - Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * - Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * - The name of the author may not be used to endorse or promote products |
| * derived from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| #include <arch/arch.h> |
| #define DCACHE_SIZE (16*1024) |
| #define DCACHE_LINE_SIZE 64 |
| .global dcache_flush |
| dcache_flush: |
| set (DCACHE_SIZE - DCACHE_LINE_SIZE), %g1 |
| stxa %g0, [%g1] ASI_DCACHE_TAG |
| 0: membar #Sync |
| subcc %g1, DCACHE_LINE_SIZE, %g1 |
| bnz,pt %xcc, 0b |
| stxa %g0, [%g1] ASI_DCACHE_TAG |
| retl |
| membar #Sync |
| /trunk/kernel/arch/sparc64/src/start.S |
|---|
| 251,6 → 251,12 |
| stx %l3, [%l4 + %lo(kernel_8k_tlb_data_template)] |
| /* |
| * Flush D-Cache. |
| */ |
| call dcache_flush |
| nop |
| /* |
| * So far, we have not touched the stack. |
| * It is a good idea to set the kernel stack to a known state now. |
| */ |