From: monstr@seznam.cz
To: linux-kernel@vger.kernel.org
Cc: arnd@arndb.de, linux-arch@vger.kernel.org,
stephen.neuendorffer@xilinx.com, John.Linn@xilinx.com,
john.williams@petalogix.com, matthew@wil.cx,
will.newton@gmail.com, drepper@redhat.com,
microblaze-uclinux@itee.uq.edu.au, grant.likely@secretlab.ca,
Michal Simek <monstr@monstr.eu>
Subject: [PATCH 29/56] microblaze_v2: page.h, segment.h, unaligned.h
Date: Sun, 4 May 2008 13:41:18 +0200 [thread overview]
Message-ID: <09ce2baf0c8308d3fbca98e7eb36a6aab59112a7.1209897266.git.monstr@monstr.eu> (raw)
In-Reply-To: <41c1f410eaafd875246362d10ef9866d8cc2a934.1209897266.git.monstr@monstr.eu>
In-Reply-To: <a4a778e34c66d126f5c4bf1ca423cf32950ea5ab.1209897266.git.monstr@monstr.eu>
From: Michal Simek <monstr@monstr.eu>
Signed-off-by: Michal Simek <monstr@monstr.eu>
---
include/asm-microblaze/page.h | 119 ++++++++++++++++++++++++++++++++++++
include/asm-microblaze/segment.h | 42 +++++++++++++
include/asm-microblaze/unaligned.h | 16 +++++
3 files changed, 177 insertions(+), 0 deletions(-)
create mode 100644 include/asm-microblaze/page.h
create mode 100644 include/asm-microblaze/segment.h
create mode 100644 include/asm-microblaze/unaligned.h
diff --git a/include/asm-microblaze/page.h b/include/asm-microblaze/page.h
new file mode 100644
index 0000000..5c7c262
--- /dev/null
+++ b/include/asm-microblaze/page.h
@@ -0,0 +1,119 @@
+/*
+ * include/asm-microblaze/page.h
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 2006 Atmark Techno, Inc.
+ */
+
+#ifndef _ASM_MICROBLAZE_PAGE_H
+#define _ASM_MICROBLAZE_PAGE_H
+
+#include <linux/autoconf.h>
+#include <linux/pfn.h>
+
+/* PAGE_SHIFT determines the page size */
+
+#define PAGE_SHIFT (12)
+#define PAGE_SIZE (1UL << PAGE_SHIFT)
+#define PAGE_MASK (~(PAGE_SIZE-1))
+
+#ifdef __KERNEL__
+
+#include <asm/setup.h>
+
+#ifndef __ASSEMBLY__
+
+#define get_user_page(vaddr) __get_free_page(GFP_KERNEL)
+#define free_user_page(page, addr) free_page(addr)
+
+#define clear_page(pgaddr) memset((pgaddr), 0, PAGE_SIZE)
+#define copy_page(to, from) memcpy((to), (from), PAGE_SIZE)
+
+#define clear_user_page(pgaddr, vaddr, page) memset((pgaddr), 0, PAGE_SIZE)
+#define copy_user_page(vto, vfrom, vaddr, topg) \
+ memcpy((vto), (vfrom), PAGE_SIZE)
+
+/*
+ * These are used to make use of C type-checking..
+ */
+typedef struct { unsigned long pte; } pte_t;
+typedef struct { unsigned long ste[64]; } pmd_t;
+typedef struct { pmd_t pue[1]; } pud_t;
+typedef struct { pud_t pge[1]; } pgd_t;
+typedef struct { unsigned long pgprot; } pgprot_t;
+typedef struct page *pgtable_t;
+
+#define pte_val(x) ((x).pte)
+#define pmd_val(x) ((x).ste[0])
+#define pud_val(x) ((x).pue[0])
+#define pgd_val(x) ((x).pge[0])
+#define pgprot_val(x) ((x).pgprot)
+
+#define __pte(x) ((pte_t) { (x) })
+#define __pmd(x) ((pmd_t) { (x) })
+#define __pgd(x) ((pgd_t) { (x) })
+#define __pgprot(x) ((pgprot_t) { (x) })
+
+/* align addr on a size boundary - adjust address up/down if needed */
+#define _ALIGN_UP(addr, size) (((addr)+((size)-1))&(~((size)-1)))
+#define _ALIGN_DOWN(addr, size) ((addr)&(~((size)-1)))
+
+/* align addr on a size boundary - adjust address up if needed */
+#define _ALIGN(addr, size) _ALIGN_UP(addr, size)
+
+/* to align the pointer to the (next) page boundary */
+#define PAGE_ALIGN(addr) (((addr) + PAGE_SIZE - 1) & PAGE_MASK)
+
+extern unsigned int __page_offset;
+#define PAGE_OFFSET __page_offset
+
+/**
+ * Conversions for virtual address, physical address, pfn, and struct
+ * page are defined in the following files.
+ *
+ * virt -+
+ * | asm-microblaze/page.h
+ * phys -+
+ * | linux/pfn.h
+ * pfn -+
+ * | asm-generic/memory_model.h
+ * page -+
+ *
+ */
+
+extern unsigned long max_low_pfn;
+extern unsigned long min_low_pfn;
+extern unsigned long max_pfn;
+
+#define __pa(vaddr) ((unsigned long) (vaddr))
+#define __va(paddr) ((void *) (paddr))
+
+#define phys_to_pfn(phys) (PFN_DOWN(phys))
+#define pfn_to_phys(pfn) (PFN_PHYS(pfn))
+
+#define virt_to_pfn(vaddr) (phys_to_pfn((__pa(vaddr))))
+#define pfn_to_virt(pfn) __va(pfn_to_phys((pfn)))
+
+#define virt_to_page(vaddr) (pfn_to_page(virt_to_pfn(vaddr)))
+#define page_to_virt(page) (pfn_to_virt(page_to_pfn(page)))
+
+#define page_to_phys(page) (pfn_to_phys(page_to_pfn(page)))
+#define page_to_bus(page) (page_to_phys(page))
+#define phys_to_page(paddr) (pfn_to_page(phys_to_pfn(paddr)))
+
+#define pfn_valid(pfn) ((pfn) >= min_low_pfn && (pfn) < max_mapnr)
+#define virt_addr_valid(vaddr) (pfn_valid(virt_to_pfn(vaddr)))
+
+#define ARCH_PFN_OFFSET (PAGE_OFFSET >> PAGE_SHIFT)
+
+#endif /* __ASSEMBLY__ */
+
+#endif /* __KERNEL__ */
+
+#include <asm-generic/memory_model.h>
+#include <asm-generic/page.h>
+
+#endif /* _ASM_MICROBLAZE_PAGE_H */
diff --git a/include/asm-microblaze/segment.h b/include/asm-microblaze/segment.h
new file mode 100644
index 0000000..af0ddf0
--- /dev/null
+++ b/include/asm-microblaze/segment.h
@@ -0,0 +1,42 @@
+/*
+ * include/asm-microblaze/segment.h
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 2006 Atmark Techno, Inc.
+ *
+ */
+
+#ifndef _ASM_MICROBLAZE_SEGMENT_H
+#define _ASM_MICROBLAZE_SEGMENT_H
+
+#ifndef __ASSEMBLY__
+
+typedef struct {
+ unsigned long seg;
+} mm_segment_t;
+
+/*
+ * The fs value determines whether argument validity checking should be
+ * performed or not. If get_fs() == USER_DS, checking is performed, with
+ * get_fs() == KERNEL_DS, checking is bypassed.
+ *
+ * For historical reasons, these macros are grossly misnamed.
+ *
+ * For non-MMU arch like Microblaze, KERNEL_DS and USER_DS is equal.
+ */
+#define KERNEL_DS ((mm_segment_t){0})
+#define USER_DS KERNEL_DS
+
+#define get_ds() (KERNEL_DS)
+#define get_fs() (current_thread_info()->addr_limit)
+#define set_fs(x) \
+ do { current_thread_info()->addr_limit = (x); } while (0)
+
+#define segment_eq(a, b) ((a).seg == (b).seg)
+
+#endif /* __ASSEMBLY__ */
+
+#endif /* _ASM_MICROBLAZE_SEGMENT_H */
diff --git a/include/asm-microblaze/unaligned.h b/include/asm-microblaze/unaligned.h
new file mode 100644
index 0000000..aff800d
--- /dev/null
+++ b/include/asm-microblaze/unaligned.h
@@ -0,0 +1,16 @@
+/*
+ * include/asm-microblaze/unaligned.h
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 2006 Atmark Techno, Inc.
+ */
+
+#ifndef _ASM_MICROBLAZE_UNALIGNED_H
+#define _ASM_MICROBLAZE_UNALIGNED_H
+
+#include <asm-generic/unaligned.h>
+
+#endif /* _ASM_MICROBLAZE_UNALIGNED_H */
--
1.5.4.GIT
next prev parent reply other threads:[~2008-05-05 12:25 UTC|newest]
Thread overview: 170+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-05-04 11:40 Microblaze patches V2 monstr
2008-05-04 11:40 ` [PATCH 01/56] microblaze_v2: Kconfig patches monstr
2008-05-04 11:40 ` [PATCH 02/56] microblaze_v2: Makefiles for Microblaze cpu monstr
2008-05-04 11:40 ` [PATCH 03/56] microblaze_v2: Cpuinfo handling monstr
2008-05-04 11:40 ` [PATCH 04/56] microblaze_v2: Open firmware files monstr
2008-05-04 11:40 ` [PATCH 05/56] microblaze_v2: Support for semaphores monstr
2008-05-04 11:40 ` [PATCH 06/56] microblaze_v2: exception handling monstr
2008-05-04 11:40 ` [PATCH 07/56] microblaze_v2: Signal support monstr
2008-05-04 11:40 ` [PATCH 08/56] microblaze_v2: Interrupt handling, timer support, supported function monstr
2008-05-04 11:40 ` [PATCH 09/56] microblaze_v2: cache support monstr
2008-05-04 11:40 ` [PATCH 10/56] microblaze_v2: Generic dts file for platforms monstr
2008-05-04 11:41 ` [PATCH 11/56] microblaze_v2: kernel modules support monstr
2008-05-04 11:41 ` [PATCH 12/56] microblaze_v2: lmb support monstr
2008-05-04 11:41 ` [PATCH 13/56] microblaze_v2: PVR support, cpuinfo support monstr
2008-05-04 11:41 ` [PATCH 14/56] microblaze_v2: defconfig file monstr
2008-05-04 11:41 ` [PATCH 15/56] microblaze_v2: head.S + linker script monstr
2008-05-04 11:41 ` [PATCH 16/56] microblaze_v2: supported function for memory - kernel/lib monstr
2008-05-04 11:41 ` [PATCH 17/56] microblaze_v2: checksum support monstr
2008-05-04 11:41 ` [PATCH 18/56] microblaze_v2: early_printk support monstr
2008-05-04 11:41 ` [PATCH 19/56] microblaze_v2: uaccess files monstr
2008-05-04 11:41 ` [PATCH 20/56] microblaze_v2: heartbeat file monstr
2008-05-04 11:41 ` [PATCH 21/56] microblaze_v2: setup.c - system setting monstr
2008-05-04 11:41 ` [PATCH 22/56] microblaze_v2: asm-offsets monstr
2008-05-04 11:41 ` [PATCH 23/56] microblaze_v2: process and init task function monstr
2008-05-04 11:41 ` [PATCH 24/56] microblaze_v2: time support monstr
2008-05-04 11:41 ` [PATCH 25/56] microblaze_v2: ptrace support monstr
2008-05-04 11:41 ` [PATCH 26/56] microblaze_v2: traps support monstr
2008-05-04 11:41 ` [PATCH 27/56] microblaze_v2: support for a.out monstr
2008-05-04 11:41 ` [PATCH 28/56] microblaze_v2: memory inicialization, MMU, TLB monstr
2008-05-04 11:41 ` monstr [this message]
2008-05-04 11:41 ` [PATCH 30/56] microblaze_v2: includes SHM*, msgbuf monstr
2008-05-04 11:41 ` [PATCH 31/56] microblaze_v2: bug headers files monstr
2008-05-04 11:41 ` [PATCH 32/56] microblaze_v2: definitions of types monstr
2008-05-04 11:41 ` [PATCH 33/56] microblaze_v2: ioctl support monstr
2008-05-04 11:41 ` [PATCH 34/56] microblaze_v2: io.h IO operations monstr
2008-05-04 11:41 ` [PATCH 35/56] microblaze_v2: headers for executables format FLAT, ELF monstr
2008-05-04 11:41 ` [PATCH 36/56] microblaze_v2: dma support monstr
2008-05-04 11:41 ` [PATCH 37/56] microblaze_v2: headers for irq monstr
2008-05-04 11:41 ` [PATCH 38/56] microblaze_v2: atomic.h bitops.h byteorder.h monstr
2008-05-04 11:41 ` [PATCH 39/56] microblaze_v2: headers pgalloc.h pgtable.h monstr
2008-05-04 11:41 ` [PATCH 40/56] microblaze_v2: system.h pvr.h processor.h monstr
2008-05-04 11:41 ` [PATCH 41/56] microblaze_v2: clinkage.h linkage.h sections.h kmap_types.h monstr
2008-05-04 11:41 ` [PATCH 42/56] microblaze_v2: stats headers monstr
2008-05-04 11:41 ` [PATCH 43/56] microblaze_v2: termbits.h termios.h monstr
2008-05-04 11:41 ` [PATCH 44/56] microblaze_v2: sigcontext.h siginfo.h monstr
2008-05-04 11:41 ` [PATCH 45/56] microblaze_v2: headers simple files - empty or redirect to asm-generic monstr
2008-05-04 11:41 ` [PATCH 46/56] microblaze_v2: headers files entry.h current.h mman.h registers.h sembuf.h monstr
2008-05-04 11:41 ` [PATCH 47/56] microblaze_v2: device.h param.h topology.h monstr
2008-05-04 11:41 ` [PATCH 48/56] microblaze_v2: pool.h socket.h monstr
2008-05-04 11:41 ` [PATCH 49/56] microblaze_v2: fcntl.h sockios.h ucontext.h monstr
2008-05-04 11:41 ` [PATCH 50/56] microblaze_v2: setup.h string.h thread_info.h monstr
2008-05-04 11:41 ` [PATCH 51/56] microblaze_v2: Kbuild file monstr
2008-05-04 11:41 ` [PATCH 52/56] microblaze_v2: pci headers monstr
2008-05-04 11:41 ` [PATCH 53/56] microblaze_v2: IPC headers monstr
2008-05-04 11:41 ` [PATCH 54/56] microblaze_v2: entry.S monstr
2008-05-04 11:41 ` [PATCH 55/56] microblaze_v2: sys_microblaze.c monstr
2008-05-04 11:41 ` [PATCH 56/56] microblaze_v2: syscall_table.S and unistd.h monstr
2008-05-04 22:45 ` [PATCH 52/56] microblaze_v2: pci headers Arnd Bergmann
2008-05-05 14:08 ` Michal Simek
2008-05-05 2:39 ` [PATCH 50/56] microblaze_v2: setup.h string.h thread_info.h John Williams
2008-05-05 14:24 ` Michal Simek
2008-05-04 22:43 ` [PATCH 49/56] microblaze_v2: fcntl.h sockios.h ucontext.h Arnd Bergmann
2008-05-05 14:08 ` Michal Simek
2008-05-04 22:39 ` [PATCH 48/56] microblaze_v2: pool.h socket.h Arnd Bergmann
2008-05-04 22:37 ` [PATCH 47/56] microblaze_v2: device.h param.h topology.h Arnd Bergmann
2008-05-05 14:07 ` Michal Simek
2008-05-05 9:54 ` [PATCH 46/56] microblaze_v2: headers files entry.h current.h mman.h registers.h sembuf.h Arnd Bergmann
2008-05-06 9:07 ` Michal Simek
2008-05-06 20:57 ` Geert Uytterhoeven
2008-05-05 2:34 ` [PATCH 45/56] microblaze_v2: headers simple files - empty or redirect to asm-generic John Williams
2008-05-05 15:10 ` Grant Likely
2008-05-06 9:02 ` Arnd Bergmann
2008-05-06 14:47 ` Stephen Rothwell
2008-05-06 15:23 ` Michal Simek
2008-05-06 15:38 ` Grant Likely
2008-05-06 16:21 ` Arnd Bergmann
2008-05-07 18:46 ` Michal Simek
2008-05-05 9:50 ` [PATCH 43/56] microblaze_v2: termbits.h termios.h Arnd Bergmann
2008-05-04 22:31 ` [PATCH 42/56] microblaze_v2: stats headers Arnd Bergmann
2008-05-04 21:58 ` [PATCH 38/56] microblaze_v2: atomic.h bitops.h byteorder.h Arnd Bergmann
2008-05-05 2:28 ` John Williams
2008-05-06 8:42 ` Michal Simek
2008-05-07 7:26 ` [PATCH 37/56] microblaze_v2: headers for irq Thomas Gleixner
2008-05-11 13:56 ` Michal Simek
2008-05-05 2:25 ` [PATCH 36/56] microblaze_v2: dma support John Williams
2008-05-05 6:45 ` Geert Uytterhoeven
2008-05-06 9:16 ` Michal Simek
2008-05-06 9:48 ` Geert Uytterhoeven
2008-05-06 9:53 ` Michal Simek
2008-05-06 11:17 ` Geert Uytterhoeven
2008-05-06 11:24 ` Arnd Bergmann
2008-05-06 13:20 ` Michal Simek
2008-05-06 15:36 ` Arnd Bergmann
2008-05-07 6:24 ` Michal Simek
2008-05-07 7:17 ` Geert Uytterhoeven
2008-05-07 9:21 ` Arnd Bergmann
2008-05-07 18:43 ` Michal Simek
2008-05-05 2:24 ` [PATCH 35/56] microblaze_v2: headers for executables format FLAT, ELF John Williams
2008-05-04 21:34 ` [PATCH 33/56] microblaze_v2: ioctl support Arnd Bergmann
2008-05-05 14:06 ` Michal Simek
2008-05-04 21:28 ` [PATCH 32/56] microblaze_v2: definitions of types Arnd Bergmann
2008-05-04 21:10 ` [PATCH 30/56] microblaze_v2: includes SHM*, msgbuf Arnd Bergmann
2008-05-05 2:19 ` [PATCH 24/56] microblaze_v2: time support John Williams
2008-05-05 14:22 ` Michal Simek
2008-05-06 0:30 ` John Williams
2008-05-06 9:56 ` Michal Simek
2008-05-06 10:02 ` Michal Simek
2008-05-06 11:38 ` Arnd Bergmann
2008-05-06 13:26 ` Michal Simek
2008-05-06 22:50 ` John Williams
2008-05-06 14:28 ` Grant Likely
2008-05-06 16:36 ` Stephen Neuendorffer
2008-05-07 7:22 ` Thomas Gleixner
2008-05-05 2:15 ` [PATCH 21/56] microblaze_v2: setup.c - system setting John Williams
2008-05-05 14:21 ` Michal Simek
2008-05-05 14:36 ` [PATCH 18/56] microblaze_v2: early_printk support Grant Likely
2008-05-05 20:10 ` Michal Simek
2008-05-05 23:22 ` John Williams
2008-05-06 8:14 ` Michal Simek
2008-05-04 19:59 ` [PATCH 17/56] microblaze_v2: checksum support Arnd Bergmann
2008-05-05 14:05 ` Michal Simek
2008-05-05 2:14 ` [PATCH 13/56] microblaze_v2: PVR support, cpuinfo support John Williams
2008-05-05 14:20 ` Michal Simek
2008-05-05 2:11 ` [PATCH 12/56] microblaze_v2: lmb support John Williams
2008-05-05 21:32 ` Segher Boessenkool
2008-05-05 14:31 ` [PATCH 10/56] microblaze_v2: Generic dts file for platforms Grant Likely
2008-05-05 20:07 ` Michal Simek
2008-05-05 17:25 ` Stephen Neuendorffer
2008-05-05 23:16 ` John Williams
2008-05-05 23:32 ` Stephen Neuendorffer
2008-05-06 0:10 ` John Williams
2008-05-06 0:17 ` Stephen Neuendorffer
2008-05-06 7:50 ` Michal Simek
2008-05-06 7:38 ` Michal Simek
2008-05-05 2:09 ` [PATCH 09/56] microblaze_v2: cache support John Williams
2008-05-05 17:37 ` [microblaze-uclinux] " Stephen Neuendorffer
2008-05-06 9:22 ` Michal Simek
2008-05-05 22:37 ` Stephen Neuendorffer
2008-05-05 1:58 ` [PATCH 08/56] microblaze_v2: Interrupt handling, timer support, supported function John Williams
2008-05-05 14:20 ` Michal Simek
2008-05-07 7:04 ` Thomas Gleixner
2008-05-11 13:55 ` Michal Simek
2008-05-11 14:35 ` Thomas Gleixner
2008-05-11 21:55 ` Michal Simek
2008-05-04 19:52 ` [PATCH 07/56] microblaze_v2: Signal support Arnd Bergmann
2008-05-05 21:32 ` Stephen Neuendorffer
2008-05-05 23:33 ` John Williams
2008-05-06 0:13 ` Stephen Neuendorffer
2008-05-06 0:25 ` John Williams
2008-05-06 0:33 ` Stephen Neuendorffer
2008-05-06 9:41 ` Michal Simek
2008-05-05 14:24 ` [PATCH 04/56] microblaze_v2: Open firmware files Grant Likely
2008-05-05 21:56 ` Stephen Neuendorffer
2008-05-06 7:27 ` Michal Simek
2008-05-07 16:04 ` [microblaze-uclinux] " Stephen Neuendorffer
2008-05-07 18:40 ` Michal Simek
2008-05-07 18:59 ` Grant Likely
2008-05-07 19:12 ` Michal Simek
2008-05-07 20:14 ` Stephen Neuendorffer
2008-05-05 1:52 ` [PATCH 03/56] microblaze_v2: Cpuinfo handling John Williams
2008-05-05 14:19 ` Michal Simek
2008-05-05 1:47 ` [PATCH 02/56] microblaze_v2: Makefiles for Microblaze cpu John Williams
2008-05-06 8:51 ` Michal Simek
2008-05-04 21:24 ` [PATCH 01/56] microblaze_v2: Kconfig patches Grant Likely
2008-05-05 6:36 ` Michal Simek
2008-05-05 1:42 ` John Williams
2008-05-05 6:46 ` Michal Simek
2008-05-05 14:16 ` Michal Simek
2008-05-05 2:30 ` Microblaze patches V2 John Williams
2008-05-05 7:02 ` Michal Simek
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