| 0,0 → 1,85 |
|---|
| /* |
| * Copyright (c) 2006 Jakub Jermar |
| * Copyright (c) 2008 Pavel Rimsky |
| * 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 sparc64interrupt |
| * @{ |
| */ |
| /** |
| * @file |
| * @brief This file contains fast MMU trap handlers. |
| */ |
| |
| #ifndef KERN_sparc64_sun4v_MMU_TRAP_H_ |
| #define KERN_sparc64_sun4v_MMU_TRAP_H_ |
| |
| #include <arch/stack.h> |
| #include <arch/sun4v/regdef.h> |
| #include <arch/mm/tlb.h> |
| #include <arch/mm/sun4v/mmu.h> |
| #include <arch/mm/sun4v/tte.h> |
| #include <arch/trap/regwin.h> |
| |
| #ifdef CONFIG_TSB |
| #include <arch/mm/tsb.h> |
| #endif |
| |
| #define TT_FAST_INSTRUCTION_ACCESS_MMU_MISS 0x64 |
| #define TT_FAST_DATA_ACCESS_MMU_MISS 0x68 |
| #define TT_FAST_DATA_ACCESS_PROTECTION 0x6c |
| |
| #define FAST_MMU_HANDLER_SIZE 128 |
| |
| #ifdef __ASM__ |
| |
| .macro FAST_INSTRUCTION_ACCESS_MMU_MISS_HANDLER |
| .endm |
| |
| /* |
| * So far it is here only to process the trap which occurs when the kernel |
| * needs to access the bootinfo structure, which is placed in the bootloader |
| * memory (i.e. before address 0x400000). |
| */ |
| .macro FAST_DATA_ACCESS_MMU_MISS_HANDLER tl |
| set 0x8000, %o0 |
| set 0x0, %o1 |
| setx 0x80000000804087c3, %g1, %o2 |
| set 0x3, %o3 |
| ta 0x83 |
| retry |
| .endm |
| |
| .macro FAST_DATA_ACCESS_PROTECTION_HANDLER tl |
| .endm |
| |
| #endif /* __ASM__ */ |
| |
| #endif |
| |
| /** @} |
| */ |