From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1763159AbZE0HcM (ORCPT ); Wed, 27 May 2009 03:32:12 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1762330AbZE0H05 (ORCPT ); Wed, 27 May 2009 03:26:57 -0400 Received: from 178-47-31-89.wifiinternet.cz ([89.31.47.178]:46937 "EHLO monstr.eu" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1762420AbZE0H04 (ORCPT ); Wed, 27 May 2009 03:26:56 -0400 From: Michal Simek To: linux-kernel@vger.kernel.org Cc: john.williams@petalogix.com, microblaze-uclinux@itee.uq.edu.au, michal.simek@petalogix.com, Michal Simek Subject: [PATCH 26/29] microblaze_mmu_v2: Elf update Date: Wed, 27 May 2009 08:47:51 +0200 Message-Id: <1243406874-3917-27-git-send-email-monstr@monstr.eu> X-Mailer: git-send-email 1.5.5.1 In-Reply-To: <1243406874-3917-26-git-send-email-monstr@monstr.eu> References: <1243406874-3917-1-git-send-email-monstr@monstr.eu> <1243406874-3917-2-git-send-email-monstr@monstr.eu> <1243406874-3917-3-git-send-email-monstr@monstr.eu> <1243406874-3917-4-git-send-email-monstr@monstr.eu> <1243406874-3917-5-git-send-email-monstr@monstr.eu> <1243406874-3917-6-git-send-email-monstr@monstr.eu> <1243406874-3917-7-git-send-email-monstr@monstr.eu> <1243406874-3917-8-git-send-email-monstr@monstr.eu> <1243406874-3917-9-git-send-email-monstr@monstr.eu> <1243406874-3917-10-git-send-email-monstr@monstr.eu> <1243406874-3917-11-git-send-email-monstr@monstr.eu> <1243406874-3917-12-git-send-email-monstr@monstr.eu> <1243406874-3917-13-git-send-email-monstr@monstr.eu> <1243406874-3917-14-git-send-email-monstr@monstr.eu> <1243406874-3917-15-git-send-email-monstr@monstr.eu> <1243406874-3917-16-git-send-email-monstr@monstr.eu> <1243406874-3917-17-git-send-email-monstr@monstr.eu> <1243406874-3917-18-git-send-email-monstr@monstr.eu> <1243406874-3917-19-git-send-email-monstr@monstr.eu> <1243406874-3917-20-git-send-email-monstr@monstr.eu> <1243406874-3917-21-git-send-email-monstr@monstr.eu> <1243406874-3917-22-git-send-email-monstr@monstr.eu> <1243406874-3917-23-git-send-email-monstr@monstr.eu> <1243406874-3917-24-git-send-email-monstr@monstr.eu> <1243406874-3917-25-git-send-email-monstr@monstr.eu> <1243406874-3917-26-git-send-email-monstr@monstr.eu> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Signed-off-by: Michal Simek --- 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 + * 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 +#include + +#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