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Diffstat (limited to 'bsps/sparc64/include/arch/mm/sun4u/mmu.h')
| -rw-r--r-- | bsps/sparc64/include/arch/mm/sun4u/mmu.h | 123 |
1 files changed, 123 insertions, 0 deletions
diff --git a/bsps/sparc64/include/arch/mm/sun4u/mmu.h b/bsps/sparc64/include/arch/mm/sun4u/mmu.h new file mode 100644 index 0000000000..f887ebe7f4 --- /dev/null +++ b/bsps/sparc64/include/arch/mm/sun4u/mmu.h @@ -0,0 +1,123 @@ +/* + * Copyright (c) 2005 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_sun4u_MMU_H_ +#define KERN_sparc64_sun4u_MMU_H_ + +#if defined(US) +/* LSU Control Register ASI. */ +#define ASI_LSU_CONTROL_REG 0x45 /**< Load/Store Unit Control Register. */ +#endif + +/* I-MMU ASIs. */ +#define ASI_IMMU 0x50 +#define ASI_IMMU_TSB_8KB_PTR_REG 0x51 +#define ASI_IMMU_TSB_64KB_PTR_REG 0x52 +#define ASI_ITLB_DATA_IN_REG 0x54 +#define ASI_ITLB_DATA_ACCESS_REG 0x55 +#define ASI_ITLB_TAG_READ_REG 0x56 +#define ASI_IMMU_DEMAP 0x57 + +/* Virtual Addresses within ASI_IMMU. */ +#define VA_IMMU_TSB_TAG_TARGET 0x0 /**< IMMU TSB tag target register. */ +#define VA_IMMU_SFSR 0x18 /**< IMMU sync fault status register. */ +#define VA_IMMU_TSB_BASE 0x28 /**< IMMU TSB base register. */ +#define VA_IMMU_TAG_ACCESS 0x30 /**< IMMU TLB tag access register. */ +#if defined (US3) +#define VA_IMMU_PRIMARY_EXTENSION 0x48 /**< IMMU TSB primary extension register */ +#define VA_IMMU_NUCLEUS_EXTENSION 0x58 /**< IMMU TSB nucleus extension register */ +#endif + + +/* D-MMU ASIs. */ +#define ASI_DMMU 0x58 +#define ASI_DMMU_TSB_8KB_PTR_REG 0x59 +#define ASI_DMMU_TSB_64KB_PTR_REG 0x5a +#define ASI_DMMU_TSB_DIRECT_PTR_REG 0x5b +#define ASI_DTLB_DATA_IN_REG 0x5c +#define ASI_DTLB_DATA_ACCESS_REG 0x5d +#define ASI_DTLB_TAG_READ_REG 0x5e +#define ASI_DMMU_DEMAP 0x5f + +/* Virtual Addresses within ASI_DMMU. */ +#define VA_DMMU_TSB_TAG_TARGET 0x0 /**< DMMU TSB tag target register. */ +#define VA_PRIMARY_CONTEXT_REG 0x8 /**< DMMU primary context register. */ +#define VA_SECONDARY_CONTEXT_REG 0x10 /**< DMMU secondary context register. */ +#define VA_DMMU_SFSR 0x18 /**< DMMU sync fault status register. */ +#define VA_DMMU_SFAR 0x20 /**< DMMU sync fault address register. */ +#define VA_DMMU_TSB_BASE 0x28 /**< DMMU TSB base register. */ +#define VA_DMMU_TAG_ACCESS 0x30 /**< DMMU TLB tag access register. */ +#define VA_DMMU_VA_WATCHPOINT_REG 0x38 /**< DMMU VA data watchpoint register. */ +#define VA_DMMU_PA_WATCHPOINT_REG 0x40 /**< DMMU PA data watchpoint register. */ +#if defined (US3) +#define VA_DMMU_PRIMARY_EXTENSION 0x48 /**< DMMU TSB primary extension register */ +#define VA_DMMU_SECONDARY_EXTENSION 0x50 /**< DMMU TSB secondary extension register */ +#define VA_DMMU_NUCLEUS_EXTENSION 0x58 /**< DMMU TSB nucleus extension register */ +#endif + +#ifndef __ASM__ + +#include <arch/asm.h> +#include <arch/barrier.h> +#include <arch/types.h> + +#if defined(US) +/** LSU Control Register. */ +typedef union { + uint64_t value; + struct { + unsigned : 23; + unsigned pm : 8; + unsigned vm : 8; + unsigned pr : 1; + unsigned pw : 1; + unsigned vr : 1; + unsigned vw : 1; + unsigned : 1; + unsigned fm : 16; + unsigned dm : 1; /**< D-MMU enable. */ + unsigned im : 1; /**< I-MMU enable. */ + unsigned dc : 1; /**< D-Cache enable. */ + unsigned ic : 1; /**< I-Cache enable. */ + + } __attribute__ ((packed)); +} lsu_cr_reg_t; +#endif /* US */ + +#endif /* !def __ASM__ */ + +#endif + +/** @} + */ |