mirror of
https://git.proxmox.com/git/mirror_edk2
synced 2025-10-31 17:09:09 +00:00
c614ca505d
Add ARMGCC and RVCT toolchain support. Update and Add ARM specific machine headers. Set the empty macro for __warn_references(). Make __flt_rounds() return 'Round to nearest' by default on ARM. Signed-off-by: Olivier Martin [olivier.martin@arm.com] Reviewed-by: darylm503 git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@12367 6f19259b-4bc3-4df7-8a09-765794883524
138 lines
4.9 KiB
C
138 lines
4.9 KiB
C
/* $NetBSD: param.h,v 1.13 2010/05/06 19:10:26 joerg Exp $ */
|
|
|
|
/*
|
|
* Copyright (c) 1994,1995 Mark Brinicombe.
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. 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.
|
|
* 3. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* This product includes software developed by the RiscBSD team.
|
|
* 4. The name "RiscBSD" nor the name of the author may be used to
|
|
* endorse or promote products derived from this software without specific
|
|
* prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY RISCBSD ``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 RISCBSD OR CONTRIBUTORS 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.
|
|
*/
|
|
|
|
#ifndef _ARM_PARAM_H_
|
|
#define _ARM_PARAM_H_
|
|
|
|
/*
|
|
* Machine dependent constants for all ARM processors
|
|
*/
|
|
|
|
/*
|
|
* For KERNEL code:
|
|
* MACHINE must be defined by the individual port. This is so that
|
|
* uname returns the correct thing, etc.
|
|
*
|
|
* MACHINE_ARCH may be defined by individual ports as a temporary
|
|
* measure while we're finishing the conversion to ELF.
|
|
*
|
|
* For non-KERNEL code:
|
|
* If ELF, MACHINE and MACHINE_ARCH are forced to "arm/armeb".
|
|
*/
|
|
|
|
#if defined(_KERNEL)
|
|
#ifndef MACHINE_ARCH /* XXX For now */
|
|
#ifndef __ARMEB__
|
|
#define _MACHINE_ARCH arm
|
|
#define MACHINE_ARCH "arm"
|
|
#else
|
|
#define _MACHINE_ARCH armeb
|
|
#define MACHINE_ARCH "armeb"
|
|
#endif /* __ARMEB__ */
|
|
#endif /* MACHINE_ARCH */
|
|
#else
|
|
#undef _MACHINE
|
|
#undef MACHINE
|
|
#undef _MACHINE_ARCH
|
|
#undef MACHINE_ARCH
|
|
#define _MACHINE arm
|
|
#define MACHINE "arm"
|
|
#ifndef __ARMEB__
|
|
#define _MACHINE_ARCH arm
|
|
#define MACHINE_ARCH "arm"
|
|
#else
|
|
#define _MACHINE_ARCH armeb
|
|
#define MACHINE_ARCH "armeb"
|
|
#endif /* __ARMEB__ */
|
|
#endif /* !_KERNEL */
|
|
|
|
#define MID_MACHINE MID_ARM6
|
|
|
|
/*
|
|
* Round p (pointer or byte index) up to a correctly-aligned value
|
|
* for all data types (int, long, ...). The result is u_int and
|
|
* must be cast to any desired pointer type.
|
|
*
|
|
* ALIGNED_POINTER is a boolean macro that checks whether an address
|
|
* is valid to fetch data elements of type t from on this architecture.
|
|
* This does not reflect the optimal alignment, just the possibility
|
|
* (within reasonable limits).
|
|
*
|
|
*/
|
|
#define ALIGNBYTES (sizeof(int) - 1)
|
|
#define ALIGN(p) (((u_int)(p) + ALIGNBYTES) &~ ALIGNBYTES)
|
|
#define ALIGNED_POINTER(p,t) ((((u_long)(p)) & (sizeof(t)-1)) == 0)
|
|
/* ARM-specific macro to align a stack pointer (downwards). */
|
|
#define STACKALIGNBYTES (8 - 1)
|
|
#define STACKALIGN(p) ((u_int)(p) &~ STACKALIGNBYTES)
|
|
|
|
#define DEV_BSHIFT 9 /* log2(DEV_BSIZE) */
|
|
#define DEV_BSIZE (1 << DEV_BSHIFT)
|
|
#define BLKDEV_IOSIZE 2048
|
|
|
|
#ifndef MAXPHYS
|
|
#define MAXPHYS 65536 /* max I/O transfer size */
|
|
#endif
|
|
|
|
/*
|
|
* Constants related to network buffer management.
|
|
* MCLBYTES must be no larger than NBPG (the software page size), and,
|
|
* on machines that exchange pages of input or output buffers with mbuf
|
|
* clusters (MAPPED_MBUFS), MCLBYTES must also be an integral multiple
|
|
* of the hardware page size.
|
|
*/
|
|
#define MSIZE 256 /* size of an mbuf */
|
|
|
|
#ifndef MCLSHIFT
|
|
#define MCLSHIFT 11 /* convert bytes to m_buf clusters */
|
|
/* 2K cluster can hold Ether frame */
|
|
#endif /* MCLSHIFT */
|
|
|
|
#define MCLBYTES (1 << MCLSHIFT) /* size of a m_buf cluster */
|
|
|
|
#ifndef NMBCLUSTERS_MAX
|
|
#define NMBCLUSTERS_MAX (0x2000000 / MCLBYTES) /* Limit to 64MB for clusters */
|
|
#endif
|
|
|
|
/*
|
|
* Compatibility /dev/zero mapping.
|
|
*/
|
|
#ifdef _KERNEL
|
|
#ifdef COMPAT_16
|
|
#define COMPAT_ZERODEV(x) (x == makedev(0, _DEV_ZERO_oARM))
|
|
#endif
|
|
#endif /* _KERNEL */
|
|
|
|
#endif /* _ARM_PARAM_H_ */
|