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From: Michal Simek <monstr@monstr.eu>
To: linux-kernel@vger.kernel.org
Cc: john.williams@petalogix.com, microblaze-uclinux@itee.uq.edu.au,
	michal.simek@petalogix.com, Michal Simek <monstr@monstr.eu>
Subject: [PATCH 26/29] microblaze_mmu_v2: Elf update
Date: Wed, 27 May 2009 08:47:51 +0200	[thread overview]
Message-ID: <1243406874-3917-27-git-send-email-monstr@monstr.eu> (raw)
In-Reply-To: <1243406874-3917-26-git-send-email-monstr@monstr.eu>

Signed-off-by: Michal Simek <monstr@monstr.eu>
---
 arch/microblaze/include/asm/elf.h |   93 +++++++++++++++++++++++++++++++++++++
 1 files changed, 93 insertions(+), 0 deletions(-)

diff --git a/arch/microblaze/include/asm/elf.h b/arch/microblaze/include/asm/elf.h
index 81337f2..f92fc0d 100644
--- a/arch/microblaze/include/asm/elf.h
+++ b/arch/microblaze/include/asm/elf.h
@@ -1,4 +1,6 @@
 /*
+ * Copyright (C) 2008-2009 Michal Simek <monstr@monstr.eu>
+ * Copyright (C) 2008-2009 PetaLogix
  * Copyright (C) 2006 Atmark Techno, Inc.
  *
  * This file is subject to the terms and conditions of the GNU General Public
@@ -27,4 +29,95 @@
  */
 #define ELF_CLASS	ELFCLASS32
 
+#ifndef __uClinux__
+
+/*
+ * ELF register definitions..
+ */
+
+#include <asm/ptrace.h>
+#include <asm/byteorder.h>
+
+#ifndef ELF_GREG_T
+#define ELF_GREG_T
+typedef unsigned long elf_greg_t;
+#endif
+
+#ifndef ELF_NGREG
+#define ELF_NGREG (sizeof(struct pt_regs) / sizeof(elf_greg_t))
+#endif
+
+#ifndef ELF_GREGSET_T
+#define ELF_GREGSET_T
+typedef elf_greg_t elf_gregset_t[ELF_NGREG];
+#endif
+
+#ifndef ELF_FPREGSET_T
+#define ELF_FPREGSET_T
+
+/* TBD */
+#define ELF_NFPREG	33	/* includes fsr */
+typedef unsigned long elf_fpreg_t;
+typedef elf_fpreg_t elf_fpregset_t[ELF_NFPREG];
+
+/* typedef struct user_fpu_struct elf_fpregset_t; */
+#endif
+
+/* This is the location that an ET_DYN program is loaded if exec'ed.  Typical
+ * use of this is to invoke "./ld.so someprog" to test out a new version of
+ * the loader.  We need to make sure that it is out of the way of the program
+ * that it will "exec", and that there is sufficient room for the brk.
+ */
+
+#define ELF_ET_DYN_BASE         (0x08000000)
+
+#ifdef __LITTLE_ENDIAN__
+#define ELF_DATA	ELFDATA2LSB
+#else
+#define ELF_DATA	ELFDATA2MSB
+#endif
+
+#define USE_ELF_CORE_DUMP
+#define ELF_EXEC_PAGESIZE	4096
+
+
+#define ELF_CORE_COPY_REGS(_dest, _regs)			\
+	memcpy((char *) &_dest, (char *) _regs,		\
+	sizeof(struct pt_regs));
+
+/* This yields a mask that user programs can use to figure out what
+ * instruction set this CPU supports.  This could be done in user space,
+ * but it's not easy, and we've already done it here.
+ */
+#define ELF_HWCAP	(0)
+
+/* This yields a string that ld.so will use to load implementation
+ * specific libraries for optimization.  This is more specific in
+ * intent than poking at uname or /proc/cpuinfo.
+
+ * For the moment, we have only optimizations for the Intel generations,
+ * but that could change...
+ */
+#define ELF_PLATFORM  (NULL)
+
+/* Added _f parameter. Is this definition correct: TBD */
+#define ELF_PLAT_INIT(_r, _f)				\
+do {							\
+	_r->r1 =  _r->r1 =  _r->r2 =  _r->r3 =		\
+	_r->r4 =  _r->r5 =  _r->r6 =  _r->r7 =		\
+	_r->r8 =  _r->r9 =  _r->r10 = _r->r11 =		\
+	_r->r12 = _r->r13 = _r->r14 = _r->r15 =		\
+	_r->r16 = _r->r17 = _r->r18 = _r->r19 =		\
+	_r->r20 = _r->r21 = _r->r22 = _r->r23 =		\
+	_r->r24 = _r->r25 = _r->r26 = _r->r27 =		\
+	_r->r28 = _r->r29 = _r->r30 = _r->r31 =		\
+	0;						\
+} while (0)
+
+#ifdef __KERNEL__
+#define SET_PERSONALITY(ex) set_personality(PER_LINUX_32BIT)
+#endif
+
+#endif /* __uClinux__ */
+
 #endif /* _ASM_MICROBLAZE_ELF_H */
-- 
1.5.5.1


  reply	other threads:[~2009-05-27  7:32 UTC|newest]

Thread overview: 34+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-05-27  6:47 Microblaze MMU v2 Michal Simek
2009-05-27  6:47 ` [PATCH 01/29] microblaze_mmu_v2: Add mmu_defconfig Michal Simek
2009-05-27  6:47   ` [PATCH 02/29] microblaze_mmu_v2: MMU update for startup code Michal Simek
2009-05-27  6:47     ` [PATCH 03/29] microblaze_mmu_v2: Alocate TLB for early console Michal Simek
2009-05-27  6:47       ` [PATCH 04/29] microblaze_mmu_v2: TLB low level code Michal Simek
2009-05-27  6:47         ` [PATCH 05/29] microblaze_mmu_v2: MMU initialization Michal Simek
2009-05-27  6:47           ` [PATCH 06/29] microblaze_mmu_v2: mmu.h update Michal Simek
2009-05-27  6:47             ` [PATCH 07/29] microblaze_mmu_v2: Page fault handling high level - fault.c Michal Simek
2009-05-27  6:47               ` [PATCH 08/29] microblaze_mmu_v2: Context handling - mmu_context.c/h Michal Simek
2009-05-27  6:47                 ` [PATCH 09/29] microblaze_mmu_v2: Page table - ioremap - pgtable.c/h, section update Michal Simek
2009-05-27  6:47                   ` [PATCH 10/29] microblaze_mmu_v2: io.h MMU update Michal Simek
2009-05-27  6:47                     ` [PATCH 11/29] microblaze_mmu_v2: pgalloc.h and page.h Michal Simek
2009-05-27  6:47                       ` [PATCH 12/29] microblaze_mmu_v2: Update process creation for MMU Michal Simek
2009-05-27  6:47                         ` [PATCH 13/29] microblaze_mmu_v2: Update tlb.h and tlbflush.h Michal Simek
2009-05-27  6:47                           ` [PATCH 14/29] microblaze_mmu_v2: MMU asm offset update Michal Simek
2009-05-27  6:47                             ` [PATCH 15/29] microblaze_mmu_v2: Add CURRENT_TASK for entry.S Michal Simek
2009-05-27  6:47                               ` [PATCH 16/29] microblaze_mmu_v2: entry.S, entry.h Michal Simek
2009-05-27  6:47                                 ` [PATCH 17/29] microblaze_mmu_v2: Update exception handling - MMU exception Michal Simek
2009-05-27  6:47                                   ` [PATCH 18/29] microblaze_mmu_v2: uaccess MMU update Michal Simek
2009-05-27  6:47                                     ` [PATCH 19/29] microblaze_mmu_v2: Add MMU related exceptions handling Michal Simek
2009-05-27  6:47                                       ` [PATCH 20/29] microblaze_mmu_v2: Update linker script for MMU Michal Simek
2009-05-27  6:47                                         ` [PATCH 21/29] microblaze_mmu_v2: Enable fork syscall for MMU and add fork as vfork for noMMU Michal Simek
2009-05-27  6:47                                           ` [PATCH 22/29] microblaze_mmu_v2: Traps MMU update Michal Simek
2009-05-27  6:47                                             ` [PATCH 23/29] microblaze_mmu_v2: Update signal returning address Michal Simek
2009-05-27  6:47                                               ` [PATCH 24/29] microblaze_mmu_v2: Update cacheflush.h Michal Simek
2009-05-27  6:47                                                 ` [PATCH 25/29] microblaze_mmu_v2: Update dma.h for MMU Michal Simek
2009-05-27  6:47                                                   ` Michal Simek [this message]
2009-05-27  6:47                                                     ` [PATCH 27/29] microblaze_mmu_v2: stat.h MMU update Michal Simek
2009-05-27  6:47                                                       ` [PATCH 28/29] microblaze_mmu_v2: Kconfig update Michal Simek
2009-05-27  6:47                                                         ` [PATCH 29/29] microblaze_mmu_v2: Makefiles Michal Simek
2009-05-27 11:08                 ` [PATCH 08/29] microblaze_mmu_v2: Context handling - mmu_context.c/h Arnd Bergmann
2009-05-27 11:59                   ` Michal Simek
2009-05-29 14:39 ` [microblaze-uclinux] Microblaze MMU v2 John Linn
2009-06-11  8:46 ` John Williams

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