From 612f8f074fa1099cf70faf495d46cc647762a031 Mon Sep 17 00:00:00 2001 From: ARM gem5 Developers Date: Fri, 24 Jan 2014 15:29:34 -0600 Subject: arm: Add support for ARMv8 (AArch64 & AArch32) Note: AArch64 and AArch32 interworking is not supported. If you use an AArch64 kernel you are restricted to AArch64 user-mode binaries. This will be addressed in a later patch. Note: Virtualization is only supported in AArch32 mode. This will also be fixed in a later patch. Contributors: Giacomo Gabrielli (TrustZone, LPAE, system-level AArch64, AArch64 NEON, validation) Thomas Grocutt (AArch32 Virtualization, AArch64 FP, validation) Mbou Eyole (AArch64 NEON, validation) Ali Saidi (AArch64 Linux support, code integration, validation) Edmund Grimley-Evans (AArch64 FP) William Wang (AArch64 Linux support) Rene De Jong (AArch64 Linux support, performance opt.) Matt Horsnell (AArch64 MP, validation) Matt Evans (device models, code integration, validation) Chris Adeniyi-Jones (AArch64 syscall-emulation) Prakash Ramrakhyani (validation) Dam Sunwoo (validation) Chander Sudanthi (validation) Stephan Diestelhorst (validation) Andreas Hansson (code integration, performance opt.) Eric Van Hensbergen (performance opt.) Gabe Black --- src/arch/arm/linux/linux.cc | 121 ++++++++++++++++++++++++++++++++++---------- 1 file changed, 93 insertions(+), 28 deletions(-) (limited to 'src/arch/arm/linux/linux.cc') diff --git a/src/arch/arm/linux/linux.cc b/src/arch/arm/linux/linux.cc index 1e3a1e725..62519d38b 100644 --- a/src/arch/arm/linux/linux.cc +++ b/src/arch/arm/linux/linux.cc @@ -1,4 +1,16 @@ /* + * Copyright (c) 2011 ARM Limited + * All rights reserved + * + * The license below extends only to copyright in the software and shall + * not be construed as granting a license to any other intellectual + * property including but not limited to intellectual property relating + * to a hardware implementation of the functionality of the software + * licensed hereunder. You may use the software subject to the license + * terms below provided that you ensure that this notice is replicated + * unmodified and in its entirety in all distributions of the software, + * modified or unmodified, in source code or in binary form. + * * Copyright (c) 2003-2005 The Regents of The University of Michigan * Copyright (c) 2007-2008 The Florida State University * All rights reserved. @@ -34,55 +46,108 @@ #include "arch/arm/linux/linux.hh" // open(2) flags translation table -OpenFlagTransTable ArmLinux::openFlagTable[] = { +OpenFlagTransTable ArmLinux32::openFlagTable[] = { +#ifdef _MSC_VER + { ArmLinux32::TGT_O_RDONLY, _O_RDONLY }, + { ArmLinux32::TGT_O_WRONLY, _O_WRONLY }, + { ArmLinux32::TGT_O_RDWR, _O_RDWR }, + { ArmLinux32::TGT_O_APPEND, _O_APPEND }, + { ArmLinux32::TGT_O_CREAT, _O_CREAT }, + { ArmLinux32::TGT_O_TRUNC, _O_TRUNC }, + { ArmLinux32::TGT_O_EXCL, _O_EXCL }, +#ifdef _O_NONBLOCK + { ArmLinux32::TGT_O_NONBLOCK, _O_NONBLOCK }, +#endif +#ifdef _O_NOCTTY + { ArmLinux32::TGT_O_NOCTTY, _O_NOCTTY }, +#endif +#ifdef _O_SYNC + { ArmLinux32::TGT_O_SYNC, _O_SYNC }, +#endif +#else /* !_MSC_VER */ + { ArmLinux32::TGT_O_RDONLY, O_RDONLY }, + { ArmLinux32::TGT_O_WRONLY, O_WRONLY }, + { ArmLinux32::TGT_O_RDWR, O_RDWR }, + { ArmLinux32::TGT_O_CREAT, O_CREAT }, + { ArmLinux32::TGT_O_EXCL, O_EXCL }, + { ArmLinux32::TGT_O_NOCTTY, O_NOCTTY }, + { ArmLinux32::TGT_O_TRUNC, O_TRUNC }, + { ArmLinux32::TGT_O_APPEND, O_APPEND }, + { ArmLinux32::TGT_O_NONBLOCK, O_NONBLOCK }, +#ifdef O_SYNC + { ArmLinux32::TGT_O_SYNC, O_SYNC }, +#endif +#ifdef FASYNC + { ArmLinux32::TGT_FASYNC, FASYNC }, +#endif +#ifdef O_DIRECT + { ArmLinux32::TGT_O_DIRECT, O_DIRECT }, +#endif +#ifdef O_LARGEFILE + { ArmLinux32::TGT_O_LARGEFILE, O_LARGEFILE }, +#endif +#ifdef O_DIRECTORY + { ArmLinux32::TGT_O_DIRECTORY, O_DIRECTORY }, +#endif +#ifdef O_NOFOLLOW + { ArmLinux32::TGT_O_NOFOLLOW, O_NOFOLLOW }, +#endif +#endif /* _MSC_VER */ +}; + +const int ArmLinux32::NUM_OPEN_FLAGS = sizeof(ArmLinux32::openFlagTable) / + sizeof(ArmLinux32::openFlagTable[0]); + +// open(2) flags translation table +OpenFlagTransTable ArmLinux64::openFlagTable[] = { #ifdef _MSC_VER - { ArmLinux::TGT_O_RDONLY, _O_RDONLY }, - { ArmLinux::TGT_O_WRONLY, _O_WRONLY }, - { ArmLinux::TGT_O_RDWR, _O_RDWR }, - { ArmLinux::TGT_O_APPEND, _O_APPEND }, - { ArmLinux::TGT_O_CREAT, _O_CREAT }, - { ArmLinux::TGT_O_TRUNC, _O_TRUNC }, - { ArmLinux::TGT_O_EXCL, _O_EXCL }, + { ArmLinux64::TGT_O_RDONLY, _O_RDONLY }, + { ArmLinux64::TGT_O_WRONLY, _O_WRONLY }, + { ArmLinux64::TGT_O_RDWR, _O_RDWR }, + { ArmLinux64::TGT_O_APPEND, _O_APPEND }, + { ArmLinux64::TGT_O_CREAT, _O_CREAT }, + { ArmLinux64::TGT_O_TRUNC, _O_TRUNC }, + { ArmLinux64::TGT_O_EXCL, _O_EXCL }, #ifdef _O_NONBLOCK - { ArmLinux::TGT_O_NONBLOCK, _O_NONBLOCK }, + { ArmLinux64::TGT_O_NONBLOCK, _O_NONBLOCK }, #endif #ifdef _O_NOCTTY - { ArmLinux::TGT_O_NOCTTY, _O_NOCTTY }, + { ArmLinux64::TGT_O_NOCTTY, _O_NOCTTY }, #endif #ifdef _O_SYNC - { ArmLinux::TGT_O_SYNC, _O_SYNC }, + { ArmLinux64::TGT_O_SYNC, _O_SYNC }, #endif #else /* !_MSC_VER */ - { ArmLinux::TGT_O_RDONLY, O_RDONLY }, - { ArmLinux::TGT_O_WRONLY, O_WRONLY }, - { ArmLinux::TGT_O_RDWR, O_RDWR }, - { ArmLinux::TGT_O_CREAT, O_CREAT }, - { ArmLinux::TGT_O_EXCL, O_EXCL }, - { ArmLinux::TGT_O_NOCTTY, O_NOCTTY }, - { ArmLinux::TGT_O_TRUNC, O_TRUNC }, - { ArmLinux::TGT_O_APPEND, O_APPEND }, - { ArmLinux::TGT_O_NONBLOCK, O_NONBLOCK }, + { ArmLinux64::TGT_O_RDONLY, O_RDONLY }, + { ArmLinux64::TGT_O_WRONLY, O_WRONLY }, + { ArmLinux64::TGT_O_RDWR, O_RDWR }, + { ArmLinux64::TGT_O_CREAT, O_CREAT }, + { ArmLinux64::TGT_O_EXCL, O_EXCL }, + { ArmLinux64::TGT_O_NOCTTY, O_NOCTTY }, + { ArmLinux64::TGT_O_TRUNC, O_TRUNC }, + { ArmLinux64::TGT_O_APPEND, O_APPEND }, + { ArmLinux64::TGT_O_NONBLOCK, O_NONBLOCK }, #ifdef O_SYNC - { ArmLinux::TGT_O_SYNC, O_SYNC }, + { ArmLinux64::TGT_O_SYNC, O_SYNC }, #endif #ifdef FASYNC - { ArmLinux::TGT_FASYNC, FASYNC }, + { ArmLinux64::TGT_FASYNC, FASYNC }, #endif #ifdef O_DIRECT - { ArmLinux::TGT_O_DIRECT, O_DIRECT }, + { ArmLinux64::TGT_O_DIRECT, O_DIRECT }, #endif #ifdef O_LARGEFILE - { ArmLinux::TGT_O_LARGEFILE, O_LARGEFILE }, + { ArmLinux64::TGT_O_LARGEFILE, O_LARGEFILE }, #endif #ifdef O_DIRECTORY - { ArmLinux::TGT_O_DIRECTORY, O_DIRECTORY }, + { ArmLinux64::TGT_O_DIRECTORY, O_DIRECTORY }, #endif #ifdef O_NOFOLLOW - { ArmLinux::TGT_O_NOFOLLOW, O_NOFOLLOW }, + { ArmLinux64::TGT_O_NOFOLLOW, O_NOFOLLOW }, #endif #endif /* _MSC_VER */ }; -const int ArmLinux::NUM_OPEN_FLAGS = - (sizeof(ArmLinux::openFlagTable)/sizeof(ArmLinux::openFlagTable[0])); +const int ArmLinux64::NUM_OPEN_FLAGS = sizeof(ArmLinux64::openFlagTable) / + sizeof(ArmLinux64::openFlagTable[0]); -- cgit v1.2.3