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-rw-r--r--bsps/sparc64/include/arch/arch.h61
-rw-r--r--bsps/sparc64/include/arch/boot.h98
-rw-r--r--bsps/sparc64/include/arch/mm/cache_spec.h58
-rw-r--r--bsps/sparc64/include/arch/mm/frame.h47
-rw-r--r--bsps/sparc64/include/arch/mm/mmu.h48
-rw-r--r--bsps/sparc64/include/arch/mm/page.h84
-rw-r--r--bsps/sparc64/include/arch/mm/sun4u/frame.h87
-rw-r--r--bsps/sparc64/include/arch/mm/sun4u/mmu.h123
-rw-r--r--bsps/sparc64/include/arch/mm/sun4u/page.h84
-rw-r--r--bsps/sparc64/include/arch/mm/sun4u/tlb.h693
-rw-r--r--bsps/sparc64/include/arch/mm/sun4u/tte.h104
-rw-r--r--bsps/sparc64/include/arch/mm/tlb.h48
-rw-r--r--bsps/sparc64/include/arch/mm/tte.h47
-rw-r--r--bsps/sparc64/include/arch/regdef.h67
-rw-r--r--bsps/sparc64/include/arch/stack.h72
-rw-r--r--bsps/sparc64/include/arch/sun4u/arch.h47
16 files changed, 1768 insertions, 0 deletions
diff --git a/bsps/sparc64/include/arch/arch.h b/bsps/sparc64/include/arch/arch.h
new file mode 100644
index 0000000000..5fdd4a2cb2
--- /dev/null
+++ b/bsps/sparc64/include/arch/arch.h
@@ -0,0 +1,61 @@
+/*
+ * 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 sparc64
+ * @{
+ */
+/**
+ * @file
+ * @brief Various sparc64-specific macros.
+ */
+
+#ifndef KERN_sparc64_ARCH_H_
+#define KERN_sparc64_ARCH_H_
+
+#if defined (SUN4U)
+#include <arch/sun4u/arch.h>
+#elif defined (SUN4V)
+#include <arch/sun4v/arch.h>
+#endif
+
+#define ASI_AIUP 0x10 /** Access to primary context with user privileges. */
+#define ASI_AIUS 0x11 /** Access to secondary context with user privileges. */
+
+#define NWINDOWS 8 /** Number of register window sets. */
+
+#ifndef __ASM__
+
+extern void arch_pre_main(void);
+
+#endif /* __ASM__ */
+
+
+#endif
+
+/** @}
+ */
diff --git a/bsps/sparc64/include/arch/boot.h b/bsps/sparc64/include/arch/boot.h
new file mode 100644
index 0000000000..b0a997a957
--- /dev/null
+++ b/bsps/sparc64/include/arch/boot.h
@@ -0,0 +1,98 @@
+/*
+ * 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 sparc64
+ * @{
+ */
+/** @file
+ */
+
+#ifndef KERN_sparc64_BOOT_H_
+#define KERN_sparc64_BOOT_H_
+
+#if 0
+#define VMA 0x400000
+#endif
+#define VMA 0x4000
+#define LMA VMA
+
+#ifndef __ASM__
+#ifndef __LINKER__
+
+#include <config.h>
+#include <arch/types.h>
+#include <genarch/ofw/ofw_tree.h>
+
+#define TASKMAP_MAX_RECORDS 32
+#define MEMMAP_MAX_RECORDS 32
+
+#define BOOTINFO_TASK_NAME_BUFLEN 32
+
+typedef struct {
+ void * addr;
+ uint32_t size;
+ char name[BOOTINFO_TASK_NAME_BUFLEN];
+} utask_t;
+
+typedef struct {
+ uint32_t count;
+ utask_t tasks[TASKMAP_MAX_RECORDS];
+} taskmap_t;
+
+typedef struct {
+ uintptr_t start;
+ uint32_t size;
+} memzone_t;
+
+typedef struct {
+ uint32_t total;
+ uint32_t count;
+ memzone_t zones[MEMMAP_MAX_RECORDS];
+} memmap_t;
+
+/** Bootinfo structure.
+ *
+ * Must be in sync with bootinfo structure used by the boot loader.
+ */
+typedef struct {
+ uintptr_t physmem_start;
+ taskmap_t taskmap;
+ memmap_t memmap;
+ ballocs_t ballocs;
+ ofw_tree_node_t *ofw_root;
+} bootinfo_t;
+
+extern bootinfo_t bootinfo;
+
+#endif
+#endif
+
+#endif
+
+/** @}
+ */
diff --git a/bsps/sparc64/include/arch/mm/cache_spec.h b/bsps/sparc64/include/arch/mm/cache_spec.h
new file mode 100644
index 0000000000..1d9199db33
--- /dev/null
+++ b/bsps/sparc64/include/arch/mm/cache_spec.h
@@ -0,0 +1,58 @@
+/*
+ * Copyright (c) 2008 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_SPEC_H_
+#define KERN_sparc64_CACHE_SPEC_H_
+
+/*
+ * The following macros are valid for the following processors:
+ *
+ * UltraSPARC, UltraSPARC II, UltraSPARC IIi, UltraSPARC III,
+ * UltraSPARC III+, UltraSPARC IV, UltraSPARC IV+
+ *
+ * Should we support other UltraSPARC processors, we need to make sure that
+ * the macros are defined correctly for them.
+ */
+
+#if defined (US)
+#define DCACHE_SIZE (16 * 1024)
+#elif defined (US3)
+#define DCACHE_SIZE (64 * 1024)
+#endif
+#define DCACHE_LINE_SIZE 32
+
+#endif
+
+/** @}
+ */
diff --git a/bsps/sparc64/include/arch/mm/frame.h b/bsps/sparc64/include/arch/mm/frame.h
new file mode 100644
index 0000000000..fb66e54bf1
--- /dev/null
+++ b/bsps/sparc64/include/arch/mm/frame.h
@@ -0,0 +1,47 @@
+/*
+ * 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_FRAME_H_
+#define KERN_sparc64_FRAME_H_
+
+#if defined (SUN4U)
+#include <arch/mm/sun4u/frame.h>
+#elif defined (SUN4V)
+#include <arch/mm/sun4v/frame.h>
+#endif
+
+#endif
+
+/** @}
+ */
diff --git a/bsps/sparc64/include/arch/mm/mmu.h b/bsps/sparc64/include/arch/mm/mmu.h
new file mode 100644
index 0000000000..1d445f2e24
--- /dev/null
+++ b/bsps/sparc64/include/arch/mm/mmu.h
@@ -0,0 +1,48 @@
+/*
+ * 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_MMU_H_
+#define KERN_sparc64_MMU_H_
+
+#if defined (SUN4U)
+#include <arch/mm/sun4u/mmu.h>
+#elif defined (SUN4V)
+#include <arch/mm/sun4v/mmu.h>
+#endif
+
+
+#endif
+
+/** @}
+ */
diff --git a/bsps/sparc64/include/arch/mm/page.h b/bsps/sparc64/include/arch/mm/page.h
new file mode 100644
index 0000000000..f1451a2866
--- /dev/null
+++ b/bsps/sparc64/include/arch/mm/page.h
@@ -0,0 +1,84 @@
+/*
+ * 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_PAGE_H_
+#define KERN_sparc64_PAGE_H_
+
+#include <arch/mm/frame.h>
+
+/*
+ * On the TLB and TSB level, we still use 8K pages, which are supported by the
+ * MMU.
+ */
+#define MMU_PAGE_WIDTH MMU_FRAME_WIDTH
+#define MMU_PAGE_SIZE MMU_FRAME_SIZE
+
+/*
+ * On the page table level, we use 16K pages. 16K pages are not supported by
+ * the MMU but we emulate them with pairs of 8K pages.
+ */
+#define PAGE_WIDTH FRAME_WIDTH
+#define PAGE_SIZE FRAME_SIZE
+
+#define MMU_PAGES_PER_PAGE (1 << (PAGE_WIDTH - MMU_PAGE_WIDTH))
+
+#ifdef KERNEL
+
+#ifndef __ASM__
+
+#include <arch/interrupt.h>
+
+extern uintptr_t physmem_base;
+
+#define KA2PA(x) (((uintptr_t) (x)) + physmem_base)
+#define PA2KA(x) (((uintptr_t) (x)) - physmem_base)
+
+typedef union {
+ uintptr_t address;
+ struct {
+ uint64_t vpn : 51; /**< Virtual Page Number. */
+ unsigned offset : 13; /**< Offset. */
+ } __attribute__ ((packed));
+} page_address_t;
+
+extern void page_arch_init(void);
+
+#endif /* !def __ASM__ */
+
+#endif /* KERNEL */
+
+#endif
+
+/** @}
+ */
diff --git a/bsps/sparc64/include/arch/mm/sun4u/frame.h b/bsps/sparc64/include/arch/mm/sun4u/frame.h
new file mode 100644
index 0000000000..e30f504d08
--- /dev/null
+++ b/bsps/sparc64/include/arch/mm/sun4u/frame.h
@@ -0,0 +1,87 @@
+/*
+ * 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_FRAME_H_
+#define KERN_sparc64_SUN4U_FRAME_H_
+
+/*
+ * Page size supported by the MMU.
+ * For 8K there is the nasty illegal virtual aliasing problem.
+ * Therefore, the kernel uses 8K only internally on the TLB and TSB levels.
+ */
+#define MMU_FRAME_WIDTH 13 /* 8K */
+#define MMU_FRAME_SIZE (1 << MMU_FRAME_WIDTH)
+
+/*
+ * Page size exported to the generic memory management subsystems.
+ * This page size is not directly supported by the MMU, but we can emulate
+ * each 16K page with a pair of adjacent 8K pages.
+ */
+#define FRAME_WIDTH 14 /* 16K */
+#define FRAME_SIZE (1 << FRAME_WIDTH)
+
+#ifdef KERNEL
+#ifndef __ASM__
+
+#include <arch/types.h>
+
+union frame_address {
+ uintptr_t address;
+ struct {
+#if defined (US)
+ unsigned : 23;
+ uint64_t pfn : 28; /**< Physical Frame Number. */
+#elif defined (US3)
+ unsigned : 21;
+ uint64_t pfn : 30; /**< Physical Frame Number. */
+#endif
+ unsigned offset : 13; /**< Offset. */
+ } __attribute__ ((packed));
+};
+
+typedef union frame_address frame_address_t;
+
+extern uintptr_t last_frame;
+extern uintptr_t end_of_identity;
+
+extern void frame_arch_init(void);
+#define physmem_print()
+
+#endif
+#endif
+
+#endif
+
+/** @}
+ */
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
+
+/** @}
+ */
diff --git a/bsps/sparc64/include/arch/mm/sun4u/page.h b/bsps/sparc64/include/arch/mm/sun4u/page.h
new file mode 100644
index 0000000000..f1451a2866
--- /dev/null
+++ b/bsps/sparc64/include/arch/mm/sun4u/page.h
@@ -0,0 +1,84 @@
+/*
+ * 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_PAGE_H_
+#define KERN_sparc64_PAGE_H_
+
+#include <arch/mm/frame.h>
+
+/*
+ * On the TLB and TSB level, we still use 8K pages, which are supported by the
+ * MMU.
+ */
+#define MMU_PAGE_WIDTH MMU_FRAME_WIDTH
+#define MMU_PAGE_SIZE MMU_FRAME_SIZE
+
+/*
+ * On the page table level, we use 16K pages. 16K pages are not supported by
+ * the MMU but we emulate them with pairs of 8K pages.
+ */
+#define PAGE_WIDTH FRAME_WIDTH
+#define PAGE_SIZE FRAME_SIZE
+
+#define MMU_PAGES_PER_PAGE (1 << (PAGE_WIDTH - MMU_PAGE_WIDTH))
+
+#ifdef KERNEL
+
+#ifndef __ASM__
+
+#include <arch/interrupt.h>
+
+extern uintptr_t physmem_base;
+
+#define KA2PA(x) (((uintptr_t) (x)) + physmem_base)
+#define PA2KA(x) (((uintptr_t) (x)) - physmem_base)
+
+typedef union {
+ uintptr_t address;
+ struct {
+ uint64_t vpn : 51; /**< Virtual Page Number. */
+ unsigned offset : 13; /**< Offset. */
+ } __attribute__ ((packed));
+} page_address_t;
+
+extern void page_arch_init(void);
+
+#endif /* !def __ASM__ */
+
+#endif /* KERNEL */
+
+#endif
+
+/** @}
+ */
diff --git a/bsps/sparc64/include/arch/mm/sun4u/tlb.h b/bsps/sparc64/include/arch/mm/sun4u/tlb.h
new file mode 100644
index 0000000000..6f6e6542e6
--- /dev/null
+++ b/bsps/sparc64/include/arch/mm/sun4u/tlb.h
@@ -0,0 +1,693 @@
+/*
+ * 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_TLB_sun4u_H_
+#define KERN_sparc64_TLB_sun4u_H_
+
+#if defined (US)
+#define ITLB_ENTRY_COUNT 64
+#define DTLB_ENTRY_COUNT 64
+#define DTLB_MAX_LOCKED_ENTRIES DTLB_ENTRY_COUNT
+#endif
+
+/** TLB_DSMALL is the only of the three DMMUs that can hold locked entries. */
+#if defined (US3)
+#define DTLB_MAX_LOCKED_ENTRIES 16
+#endif
+
+#define MEM_CONTEXT_KERNEL 0
+#define MEM_CONTEXT_TEMP 1
+
+/** Page sizes. */
+#define PAGESIZE_8K 0
+#define PAGESIZE_64K 1
+#define PAGESIZE_512K 2
+#define PAGESIZE_4M 3
+
+/** Bit width of the TLB-locked portion of kernel address space. */
+#define KERNEL_PAGE_WIDTH 22 /* 4M */
+
+/* TLB Demap Operation types. */
+#define TLB_DEMAP_PAGE 0
+#define TLB_DEMAP_CONTEXT 1
+#if defined (US3)
+#define TLB_DEMAP_ALL 2
+#endif
+
+#define TLB_DEMAP_TYPE_SHIFT 6
+
+/* TLB Demap Operation Context register encodings. */
+#define TLB_DEMAP_PRIMARY 0
+#define TLB_DEMAP_SECONDARY 1
+#define TLB_DEMAP_NUCLEUS 2
+
+/* There are more TLBs in one MMU in US3, their codes are defined here. */
+#if defined (US3)
+/* D-MMU: one small (16-entry) TLB and two big (512-entry) TLBs */
+#define TLB_DSMALL 0
+#define TLB_DBIG_0 2
+#define TLB_DBIG_1 3
+
+/* I-MMU: one small (16-entry) TLB and one big TLB */
+#define TLB_ISMALL 0
+#define TLB_IBIG 2
+#endif
+
+#define TLB_DEMAP_CONTEXT_SHIFT 4
+
+/* TLB Tag Access shifts */
+#define TLB_TAG_ACCESS_CONTEXT_SHIFT 0
+#define TLB_TAG_ACCESS_CONTEXT_MASK ((1 << 13) - 1)
+#define TLB_TAG_ACCESS_VPN_SHIFT 13
+
+#ifndef __ASM__
+
+#include <arch/mm/tte.h>
+#include <arch/mm/mmu.h>
+#include <arch/mm/page.h>
+#include <arch/asm.h>
+#include <arch/barrier.h>
+#include <arch/types.h>
+#include <arch/register.h>
+#include <arch/cpu.h>
+
+union tlb_context_reg {
+ uint64_t v;
+ struct {
+ unsigned long : 51;
+ unsigned context : 13; /**< Context/ASID. */
+ } __attribute__ ((packed));
+};
+typedef union tlb_context_reg tlb_context_reg_t;
+
+/** I-/D-TLB Data In/Access Register type. */
+typedef tte_data_t tlb_data_t;
+
+/** I-/D-TLB Data Access Address in Alternate Space. */
+
+#if defined (US)
+
+union tlb_data_access_addr {
+ uint64_t value;
+ struct {
+ uint64_t : 55;
+ unsigned tlb_entry : 6;
+ unsigned : 3;
+ } __attribute__ ((packed));
+};
+typedef union tlb_data_access_addr dtlb_data_access_addr_t;
+typedef union tlb_data_access_addr dtlb_tag_read_addr_t;
+typedef union tlb_data_access_addr itlb_data_access_addr_t;
+typedef union tlb_data_access_addr itlb_tag_read_addr_t;
+
+#elif defined (US3)
+
+/*
+ * In US3, I-MMU and D-MMU have different formats of the data
+ * access register virtual address. In the corresponding
+ * structures the member variable for the entry number is
+ * called "local_tlb_entry" - it contrasts with the "tlb_entry"
+ * for the US data access register VA structure. The rationale
+ * behind this is to prevent careless mistakes in the code
+ * caused by setting only the entry number and not the TLB
+ * number in the US3 code (when taking the code from US).
+ */
+
+union dtlb_data_access_addr {
+ uint64_t value;
+ struct {
+ uint64_t : 45;
+ unsigned : 1;
+ unsigned tlb_number : 2;
+ unsigned : 4;
+ unsigned local_tlb_entry : 9;
+ unsigned : 3;
+ } __attribute__ ((packed));
+};
+typedef union dtlb_data_access_addr dtlb_data_access_addr_t;
+typedef union dtlb_data_access_addr dtlb_tag_read_addr_t;
+
+union itlb_data_access_addr {
+ uint64_t value;
+ struct {
+ uint64_t : 45;
+ unsigned : 1;
+ unsigned tlb_number : 2;
+ unsigned : 6;
+ unsigned local_tlb_entry : 7;
+ unsigned : 3;
+ } __attribute__ ((packed));
+};
+typedef union itlb_data_access_addr itlb_data_access_addr_t;
+typedef union itlb_data_access_addr itlb_tag_read_addr_t;
+
+#endif
+
+/** I-/D-TLB Tag Read Register. */
+union tlb_tag_read_reg {
+ uint64_t value;
+ struct {
+ uint64_t vpn : 51; /**< Virtual Address bits 63:13. */
+ unsigned context : 13; /**< Context identifier. */
+ } __attribute__ ((packed));
+};
+typedef union tlb_tag_read_reg tlb_tag_read_reg_t;
+typedef union tlb_tag_read_reg tlb_tag_access_reg_t;
+
+
+/** TLB Demap Operation Address. */
+union tlb_demap_addr {
+ uint64_t value;
+ struct {
+ uint64_t vpn: 51; /**< Virtual Address bits 63:13. */
+#if defined (US)
+ unsigned : 6; /**< Ignored. */
+ unsigned type : 1; /**< The type of demap operation. */
+#elif defined (US3)
+ unsigned : 5; /**< Ignored. */
+ unsigned type: 2; /**< The type of demap operation. */
+#endif
+ unsigned context : 2; /**< Context register selection. */
+ unsigned : 4; /**< Zero. */
+ } __attribute__ ((packed));
+};
+typedef union tlb_demap_addr tlb_demap_addr_t;
+
+/** TLB Synchronous Fault Status Register. */
+union tlb_sfsr_reg {
+ uint64_t value;
+ struct {
+#if defined (US)
+ unsigned long : 40; /**< Implementation dependent. */
+ unsigned asi : 8; /**< ASI. */
+ unsigned : 2;
+ unsigned ft : 7; /**< Fault type. */
+#elif defined (US3)
+ unsigned long : 39; /**< Implementation dependent. */
+ unsigned nf : 1; /**< Non-faulting load. */
+ unsigned asi : 8; /**< ASI. */
+ unsigned tm : 1; /**< I-TLB miss. */
+ unsigned : 3; /**< Reserved. */
+ unsigned ft : 5; /**< Fault type. */
+#endif
+ unsigned e : 1; /**< Side-effect bit. */
+ unsigned ct : 2; /**< Context Register selection. */
+ unsigned pr : 1; /**< Privilege bit. */
+ unsigned w : 1; /**< Write bit. */
+ unsigned ow : 1; /**< Overwrite bit. */
+ unsigned fv : 1; /**< Fault Valid bit. */
+ } __attribute__ ((packed));
+};
+typedef union tlb_sfsr_reg tlb_sfsr_reg_t;
+
+#if defined (US3)
+
+/*
+ * Functions for determining the number of entries in TLBs. They either return
+ * a constant value or a value based on the CPU autodetection.
+ */
+
+/**
+ * Determine the number of entries in the DMMU's small TLB.
+ */
+static inline uint16_t tlb_dsmall_size(void)
+{
+ return 16;
+}
+
+/**
+ * Determine the number of entries in each DMMU's big TLB.
+ */
+static inline uint16_t tlb_dbig_size(void)
+{
+ return 512;
+}
+
+/**
+ * Determine the number of entries in the IMMU's small TLB.
+ */
+static inline uint16_t tlb_ismall_size(void)
+{
+ return 16;
+}
+
+/**
+ * Determine the number of entries in the IMMU's big TLB.
+ */
+static inline uint16_t tlb_ibig_size(void)
+{
+ if (((ver_reg_t) ver_read()).impl == IMPL_ULTRASPARCIV_PLUS)
+ return 512;
+ else
+ return 128;
+}
+
+#endif
+
+/** Read MMU Primary Context Register.
+ *
+ * @return Current value of Primary Context Register.
+ */
+static inline uint64_t mmu_primary_context_read(void)
+{
+ return asi_u64_read(ASI_DMMU, VA_PRIMARY_CONTEXT_REG);
+}
+
+/** Write MMU Primary Context Register.
+ *
+ * @param v New value of Primary Context Register.
+ */
+static inline void mmu_primary_context_write(uint64_t v)
+{
+ asi_u64_write(ASI_DMMU, VA_PRIMARY_CONTEXT_REG, v);
+ flush_pipeline();
+}
+
+/** Read MMU Secondary Context Register.
+ *
+ * @return Current value of Secondary Context Register.
+ */
+static inline uint64_t mmu_secondary_context_read(void)
+{
+ return asi_u64_read(ASI_DMMU, VA_SECONDARY_CONTEXT_REG);
+}
+
+/** Write MMU Primary Context Register.
+ *
+ * @param v New value of Primary Context Register.
+ */
+static inline void mmu_secondary_context_write(uint64_t v)
+{
+ asi_u64_write(ASI_DMMU, VA_SECONDARY_CONTEXT_REG, v);
+ flush_pipeline();
+}
+
+#if defined (US)
+
+/** Read IMMU TLB Data Access Register.
+ *
+ * @param entry TLB Entry index.
+ *
+ * @return Current value of specified IMMU TLB Data Access
+ * Register.
+ */
+static inline uint64_t itlb_data_access_read(size_t entry)
+{
+ itlb_data_access_addr_t reg;
+
+ reg.value = 0;
+ reg.tlb_entry = entry;
+ return asi_u64_read(ASI_ITLB_DATA_ACCESS_REG, reg.value);
+}
+
+/** Write IMMU TLB Data Access Register.
+ *
+ * @param entry TLB Entry index.
+ * @param value Value to be written.
+ */
+static inline void itlb_data_access_write(size_t entry, uint64_t value)
+{
+ itlb_data_access_addr_t reg;
+
+ reg.value = 0;
+ reg.tlb_entry = entry;
+ asi_u64_write(ASI_ITLB_DATA_ACCESS_REG, reg.value, value);
+ flush_pipeline();
+}
+
+/** Read DMMU TLB Data Access Register.
+ *
+ * @param entry TLB Entry index.
+ *
+ * @return Current value of specified DMMU TLB Data Access
+ * Register.
+ */
+static inline uint64_t dtlb_data_access_read(size_t entry)
+{
+ dtlb_data_access_addr_t reg;
+
+ reg.value = 0;
+ reg.tlb_entry = entry;
+ return asi_u64_read(ASI_DTLB_DATA_ACCESS_REG, reg.value);
+}
+
+/** Write DMMU TLB Data Access Register.
+ *
+ * @param entry TLB Entry index.
+ * @param value Value to be written.
+ */
+static inline void dtlb_data_access_write(size_t entry, uint64_t value)
+{
+ dtlb_data_access_addr_t reg;
+
+ reg.value = 0;
+ reg.tlb_entry = entry;
+ asi_u64_write(ASI_DTLB_DATA_ACCESS_REG, reg.value, value);
+ membar();
+}
+
+/** Read IMMU TLB Tag Read Register.
+ *
+ * @param entry TLB Entry index.
+ *
+ * @return Current value of specified IMMU TLB Tag Read Register.
+ */
+static inline uint64_t itlb_tag_read_read(size_t entry)
+{
+ itlb_tag_read_addr_t tag;
+
+ tag.value = 0;
+ tag.tlb_entry = entry;
+ return asi_u64_read(ASI_ITLB_TAG_READ_REG, tag.value);
+}
+
+/** Read DMMU TLB Tag Read Register.
+ *
+ * @param entry TLB Entry index.
+ *
+ * @return Current value of specified DMMU TLB Tag Read Register.
+ */
+static inline uint64_t dtlb_tag_read_read(size_t entry)
+{
+ dtlb_tag_read_addr_t tag;
+
+ tag.value = 0;
+ tag.tlb_entry = entry;
+ return asi_u64_read(ASI_DTLB_TAG_READ_REG, tag.value);
+}
+
+#elif defined (US3)
+
+
+/** Read IMMU TLB Data Access Register.
+ *
+ * @param tlb TLB number (one of TLB_ISMALL or TLB_IBIG)
+ * @param entry TLB Entry index.
+ *
+ * @return Current value of specified IMMU TLB Data Access
+ * Register.
+ */
+static inline uint64_t itlb_data_access_read(int tlb, size_t entry)
+{
+ itlb_data_access_addr_t reg;
+
+ reg.value = 0;
+ reg.tlb_number = tlb;
+ reg.local_tlb_entry = entry;
+ return asi_u64_read(ASI_ITLB_DATA_ACCESS_REG, reg.value);
+}
+
+/** Write IMMU TLB Data Access Register.
+ * @param tlb TLB number (one of TLB_ISMALL or TLB_IBIG)
+ * @param entry TLB Entry index.
+ * @param value Value to be written.
+ */
+static inline void itlb_data_access_write(int tlb, size_t entry,
+ uint64_t value)
+{
+ itlb_data_access_addr_t reg;
+
+ reg.value = 0;
+ reg.tlb_number = tlb;
+ reg.local_tlb_entry = entry;
+ asi_u64_write(ASI_ITLB_DATA_ACCESS_REG, reg.value, value);
+ flush_pipeline();
+}
+
+/** Read DMMU TLB Data Access Register.
+ *
+ * @param tlb TLB number (one of TLB_DSMALL, TLB_DBIG, TLB_DBIG)
+ * @param entry TLB Entry index.
+ *
+ * @return Current value of specified DMMU TLB Data Access
+ * Register.
+ */
+static inline uint64_t dtlb_data_access_read(int tlb, size_t entry)
+{
+ dtlb_data_access_addr_t reg;
+
+ reg.value = 0;
+ reg.tlb_number = tlb;
+ reg.local_tlb_entry = entry;
+ return asi_u64_read(ASI_DTLB_DATA_ACCESS_REG, reg.value);
+}
+
+/** Write DMMU TLB Data Access Register.
+ *
+ * @param tlb TLB number (one of TLB_DSMALL, TLB_DBIG_0, TLB_DBIG_1)
+ * @param entry TLB Entry index.
+ * @param value Value to be written.
+ */
+static inline void dtlb_data_access_write(int tlb, size_t entry,
+ uint64_t value)
+{
+ dtlb_data_access_addr_t reg;
+
+ reg.value = 0;
+ reg.tlb_number = tlb;
+ reg.local_tlb_entry = entry;
+ asi_u64_write(ASI_DTLB_DATA_ACCESS_REG, reg.value, value);
+ membar();
+}
+
+/** Read IMMU TLB Tag Read Register.
+ *
+ * @param tlb TLB number (one of TLB_ISMALL or TLB_IBIG)
+ * @param entry TLB Entry index.
+ *
+ * @return Current value of specified IMMU TLB Tag Read Register.
+ */
+static inline uint64_t itlb_tag_read_read(int tlb, size_t entry)
+{
+ itlb_tag_read_addr_t tag;
+
+ tag.value = 0;
+ tag.tlb_number = tlb;
+ tag.local_tlb_entry = entry;
+ return asi_u64_read(ASI_ITLB_TAG_READ_REG, tag.value);
+}
+
+/** Read DMMU TLB Tag Read Register.
+ *
+ * @param tlb TLB number (one of TLB_DSMALL, TLB_DBIG_0, TLB_DBIG_1)
+ * @param entry TLB Entry index.
+ *
+ * @return Current value of specified DMMU TLB Tag Read Register.
+ */
+static inline uint64_t dtlb_tag_read_read(int tlb, size_t entry)
+{
+ dtlb_tag_read_addr_t tag;
+
+ tag.value = 0;
+ tag.tlb_number = tlb;
+ tag.local_tlb_entry = entry;
+ return asi_u64_read(ASI_DTLB_TAG_READ_REG, tag.value);
+}
+
+#endif
+
+
+/** Write IMMU TLB Tag Access Register.
+ *
+ * @param v Value to be written.
+ */
+static inline void itlb_tag_access_write(uint64_t v)
+{
+ asi_u64_write(ASI_IMMU, VA_IMMU_TAG_ACCESS, v);
+ flush_pipeline();
+}
+
+/** Read IMMU TLB Tag Access Register.
+ *
+ * @return Current value of IMMU TLB Tag Access Register.
+ */
+static inline uint64_t itlb_tag_access_read(void)
+{
+ return asi_u64_read(ASI_IMMU, VA_IMMU_TAG_ACCESS);
+}
+
+/** Write DMMU TLB Tag Access Register.
+ *
+ * @param v Value to be written.
+ */
+static inline void dtlb_tag_access_write(uint64_t v)
+{
+ asi_u64_write(ASI_DMMU, VA_DMMU_TAG_ACCESS, v);
+ membar();
+}
+
+/** Read DMMU TLB Tag Access Register.
+ *
+ * @return Current value of DMMU TLB Tag Access Register.
+ */
+static inline uint64_t dtlb_tag_access_read(void)
+{
+ return asi_u64_read(ASI_DMMU, VA_DMMU_TAG_ACCESS);
+}
+
+
+/** Write IMMU TLB Data in Register.
+ *
+ * @param v Value to be written.
+ */
+static inline void itlb_data_in_write(uint64_t v)
+{
+ asi_u64_write(ASI_ITLB_DATA_IN_REG, 0, v);
+ flush_pipeline();
+}
+
+/** Write DMMU TLB Data in Register.
+ *
+ * @param v Value to be written.
+ */
+static inline void dtlb_data_in_write(uint64_t v)
+{
+ asi_u64_write(ASI_DTLB_DATA_IN_REG, 0, v);
+ membar();
+}
+
+/** Read ITLB Synchronous Fault Status Register.
+ *
+ * @return Current content of I-SFSR register.
+ */
+static inline uint64_t itlb_sfsr_read(void)
+{
+ return asi_u64_read(ASI_IMMU, VA_IMMU_SFSR);
+}
+
+/** Write ITLB Synchronous Fault Status Register.
+ *
+ * @param v New value of I-SFSR register.
+ */
+static inline void itlb_sfsr_write(uint64_t v)
+{
+ asi_u64_write(ASI_IMMU, VA_IMMU_SFSR, v);
+ flush_pipeline();
+}
+
+/** Read DTLB Synchronous Fault Status Register.
+ *
+ * @return Current content of D-SFSR register.
+ */
+static inline uint64_t dtlb_sfsr_read(void)
+{
+ return asi_u64_read(ASI_DMMU, VA_DMMU_SFSR);
+}
+
+/** Write DTLB Synchronous Fault Status Register.
+ *
+ * @param v New value of D-SFSR register.
+ */
+static inline void dtlb_sfsr_write(uint64_t v)
+{
+ asi_u64_write(ASI_DMMU, VA_DMMU_SFSR, v);
+ membar();
+}
+
+/** Read DTLB Synchronous Fault Address Register.
+ *
+ * @return Current content of D-SFAR register.
+ */
+static inline uint64_t dtlb_sfar_read(void)
+{
+ return asi_u64_read(ASI_DMMU, VA_DMMU_SFAR);
+}
+
+/** Perform IMMU TLB Demap Operation.
+ *
+ * @param type Selects between context and page demap (and entire MMU
+ * demap on US3).
+ * @param context_encoding Specifies which Context register has Context ID for
+ * demap.
+ * @param page Address which is on the page to be demapped.
+ */
+static inline void itlb_demap(int type, int context_encoding, uintptr_t page)
+{
+ tlb_demap_addr_t da;
+ page_address_t pg;
+
+ da.value = 0;
+ pg.address = page;
+
+ da.type = type;
+ da.context = context_encoding;
+ da.vpn = pg.vpn;
+
+ /* da.value is the address within the ASI */
+ asi_u64_write(ASI_IMMU_DEMAP, da.value, 0);
+
+ flush_pipeline();
+}
+
+/** Perform DMMU TLB Demap Operation.
+ *
+ * @param type Selects between context and page demap (and entire MMU
+ * demap on US3).
+ * @param context_encoding Specifies which Context register has Context ID for
+ * demap.
+ * @param page Address which is on the page to be demapped.
+ */
+static inline void dtlb_demap(int type, int context_encoding, uintptr_t page)
+{
+ tlb_demap_addr_t da;
+ page_address_t pg;
+
+ da.value = 0;
+ pg.address = page;
+
+ da.type = type;
+ da.context = context_encoding;
+ da.vpn = pg.vpn;
+
+ /* da.value is the address within the ASI */
+ asi_u64_write(ASI_DMMU_DEMAP, da.value, 0);
+
+ membar();
+}
+
+extern void fast_instruction_access_mmu_miss(unative_t, istate_t *);
+extern void fast_data_access_mmu_miss(tlb_tag_access_reg_t, istate_t *);
+extern void fast_data_access_protection(tlb_tag_access_reg_t , istate_t *);
+
+extern void dtlb_insert_mapping(uintptr_t, uintptr_t, int, bool, bool);
+
+extern void dump_sfsr_and_sfar(void);
+extern void describe_dmmu_fault(void);
+
+#endif /* !def __ASM__ */
+
+#endif
+
+/** @}
+ */
diff --git a/bsps/sparc64/include/arch/mm/sun4u/tte.h b/bsps/sparc64/include/arch/mm/sun4u/tte.h
new file mode 100644
index 0000000000..46acaed47c
--- /dev/null
+++ b/bsps/sparc64/include/arch/mm/sun4u/tte.h
@@ -0,0 +1,104 @@
+/*
+ * 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_TTE_H_
+#define KERN_sparc64_sun4u_TTE_H_
+
+#define TTE_G (1 << 0)
+#define TTE_W (1 << 1)
+#define TTE_P (1 << 2)
+#define TTE_E (1 << 3)
+#define TTE_CV (1 << 4)
+#define TTE_CP (1 << 5)
+#define TTE_L (1 << 6)
+
+#define TTE_V_SHIFT 63
+#define TTE_SIZE_SHIFT 61
+
+#ifndef __ASM__
+
+#include <arch/types.h>
+
+/* TTE tag's VA_tag field contains bits <63:VA_TAG_PAGE_SHIFT> of the VA */
+#define VA_TAG_PAGE_SHIFT 22
+
+/** Translation Table Entry - Tag. */
+union tte_tag {
+ uint64_t value;
+ struct {
+ unsigned g : 1; /**< Global. */
+ unsigned : 2; /**< Reserved. */
+ unsigned context : 13; /**< Context identifier. */
+ unsigned : 6; /**< Reserved. */
+ uint64_t va_tag : 42; /**< Virtual Address Tag, bits 63:22. */
+ } __attribute__ ((packed));
+};
+
+typedef union tte_tag tte_tag_t;
+
+/** Translation Table Entry - Data. */
+union tte_data {
+ uint64_t value;
+ struct {
+ unsigned v : 1; /**< Valid. */
+ unsigned size : 2; /**< Page size of this entry. */
+ unsigned nfo : 1; /**< No-Fault-Only. */
+ unsigned ie : 1; /**< Invert Endianness. */
+ unsigned soft2 : 9; /**< Software defined field. */
+#if defined (US)
+ unsigned diag : 9; /**< Diagnostic data. */
+ unsigned pfn : 28; /**< Physical Address bits, bits 40:13. */
+#elif defined (US3)
+ unsigned : 7; /**< Reserved. */
+ unsigned pfn : 30; /**< Physical Address bits, bits 42:13 */
+#endif
+ unsigned soft : 6; /**< Software defined field. */
+ unsigned l : 1; /**< Lock. */
+ unsigned cp : 1; /**< Cacheable in physically indexed cache. */
+ unsigned cv : 1; /**< Cacheable in virtually indexed cache. */
+ unsigned e : 1; /**< Side-effect. */
+ unsigned p : 1; /**< Privileged. */
+ unsigned w : 1; /**< Writable. */
+ unsigned g : 1; /**< Global. */
+ } __attribute__ ((packed));
+};
+
+typedef union tte_data tte_data_t;
+
+#endif /* !def __ASM__ */
+
+#endif
+
+/** @}
+ */
diff --git a/bsps/sparc64/include/arch/mm/tlb.h b/bsps/sparc64/include/arch/mm/tlb.h
new file mode 100644
index 0000000000..4adf26ca64
--- /dev/null
+++ b/bsps/sparc64/include/arch/mm/tlb.h
@@ -0,0 +1,48 @@
+/*
+ * 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_TLB_H_
+#define KERN_sparc64_TLB_H_
+
+
+#if defined (SUN4U)
+#include <arch/mm/sun4u/tlb.h>
+#elif defined (SUN4V)
+#include <arch/mm/sun4v/tlb.h>
+#endif
+
+#endif
+
+/** @}
+ */
diff --git a/bsps/sparc64/include/arch/mm/tte.h b/bsps/sparc64/include/arch/mm/tte.h
new file mode 100644
index 0000000000..f0b746e8c6
--- /dev/null
+++ b/bsps/sparc64/include/arch/mm/tte.h
@@ -0,0 +1,47 @@
+/*
+ * 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_TTE_H_
+#define KERN_sparc64_TTE_H_
+
+#if defined (SUN4U)
+#include <arch/mm/sun4u/tte.h>
+#elif defined (SUN4V)
+#include <arch/mm/sun4v/tte.h>
+#endif
+
+#endif
+
+/** @}
+ */
diff --git a/bsps/sparc64/include/arch/regdef.h b/bsps/sparc64/include/arch/regdef.h
new file mode 100644
index 0000000000..aae46fa99f
--- /dev/null
+++ b/bsps/sparc64/include/arch/regdef.h
@@ -0,0 +1,67 @@
+/*
+ * 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 sparc64
+ * @{
+ */
+/** @file
+ */
+
+#ifndef KERN_sparc64_REGDEF_H_
+#define KERN_sparc64_REGDEF_H_
+
+#define PSTATE_IE_BIT (1 << 1)
+#define PSTATE_AM_BIT (1 << 3)
+
+#define PSTATE_AG_BIT (1 << 0)
+#define PSTATE_IG_BIT (1 << 11)
+#define PSTATE_MG_BIT (1 << 10)
+
+#define PSTATE_PRIV_BIT (1 << 2)
+#define PSTATE_PEF_BIT (1 << 4)
+
+#define TSTATE_PSTATE_SHIFT 8
+#define TSTATE_PRIV_BIT (PSTATE_PRIV_BIT << TSTATE_PSTATE_SHIFT)
+#define TSTATE_IE_BIT (PSTATE_IE_BIT << TSTATE_PSTATE_SHIFT)
+#define TSTATE_PEF_BIT (PSTATE_PEF_BIT << TSTATE_PSTATE_SHIFT)
+
+#define TSTATE_CWP_MASK 0x1f
+
+#define WSTATE_NORMAL(n) (n)
+#define WSTATE_OTHER(n) ((n) << 3)
+
+/*
+ * The following definitions concern the UPA_CONFIG register on US and the
+ * FIREPLANE_CONFIG register on US3.
+ */
+#define ICBUS_CONFIG_MID_SHIFT 17
+
+#endif
+
+/** @}
+ */
diff --git a/bsps/sparc64/include/arch/stack.h b/bsps/sparc64/include/arch/stack.h
new file mode 100644
index 0000000000..6364916912
--- /dev/null
+++ b/bsps/sparc64/include/arch/stack.h
@@ -0,0 +1,72 @@
+/*
+ * 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 sparc64
+ * @{
+ */
+/** @file
+ */
+
+#ifndef KERN_sparc64_STACK_H_
+#define KERN_sparc64_STACK_H_
+
+#define STACK_ITEM_SIZE 8
+
+/** According to SPARC Compliance Definition, every stack frame is 16-byte aligned. */
+#define STACK_ALIGNMENT 16
+
+/**
+ * 16-extended-word save area for %i[0-7] and %l[0-7] registers.
+ */
+#define STACK_WINDOW_SAVE_AREA_SIZE (16 * STACK_ITEM_SIZE)
+
+/**
+ * Six extended words for first six arguments.
+ */
+#define STACK_ARG_SAVE_AREA_SIZE (6 * STACK_ITEM_SIZE)
+
+/**
+ * By convention, the actual top of the stack is %sp + STACK_BIAS.
+ */
+#define STACK_BIAS 2047
+
+/*
+ * Offsets of arguments on stack.
+ */
+#define STACK_ARG0 0
+#define STACK_ARG1 8
+#define STACK_ARG2 16
+#define STACK_ARG3 24
+#define STACK_ARG4 32
+#define STACK_ARG5 40
+#define STACK_ARG6 48
+
+#endif
+
+/** @}
+ */
diff --git a/bsps/sparc64/include/arch/sun4u/arch.h b/bsps/sparc64/include/arch/sun4u/arch.h
new file mode 100644
index 0000000000..9e883a37ff
--- /dev/null
+++ b/bsps/sparc64/include/arch/sun4u/arch.h
@@ -0,0 +1,47 @@
+/*
+ * 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 sparc64
+ * @{
+ */
+/**
+ * @file
+ * @brief Various sun4u-specific macros.
+ */
+
+#ifndef KERN_sparc64_sun4u_ARCH_H_
+#define KERN_sparc64_sun4u_ARCH_H_
+
+#define ASI_NUCLEUS_QUAD_LDD 0x24 /** ASI for 16-byte atomic loads. */
+#define ASI_DCACHE_TAG 0x47 /** ASI D-Cache Tag. */
+#define ASI_ICBUS_CONFIG 0x4a /** ASI of the UPA_CONFIG/FIREPLANE_CONFIG register. */
+
+#endif
+
+/** @}
+ */