xemu/linux-user/ppc/syscall.h
Doug Kwan d90b94cd78 target-ppc: Support little-endian PPC64 in user mode.
Look at ELF header to determine ABI version on PPC64.  This is required
for executing the first instruction correctly.  Also print correct machine
name in uname() system call.

Signed-off-by: Doug Kwan <dougkwan@google.com>
Signed-off-by: Tom Musta <tommusta@gmail.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
2014-06-16 13:24:40 +02:00

72 lines
1.9 KiB
C

/*
* PPC emulation for qemu: syscall definitions.
*
* Copyright (c) 2003 Jocelyn Mayer
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, see <http://www.gnu.org/licenses/>.
*/
/* XXX: ABSOLUTELY BUGGY:
* for now, this is quite just a cut-and-paste from i386 target...
*/
/* default linux values for the selectors */
#define __USER_DS (1)
struct target_pt_regs {
abi_ulong gpr[32];
abi_ulong nip;
abi_ulong msr;
abi_ulong orig_gpr3; /* Used for restarting system calls */
abi_ulong ctr;
abi_ulong link;
abi_ulong xer;
abi_ulong ccr;
#if defined(TARGET_PPC64) && !defined(TARGET_ABI32)
abi_ulong softe;
#else
abi_ulong mq; /* 601 only (not used at present) */
#endif
/* Used on APUS to hold IPL value. */
abi_ulong trap; /* Reason for being here */
abi_ulong dar; /* Fault registers */
abi_ulong dsisr;
abi_ulong result; /* Result of a system call */
};
/* ioctls */
struct target_revectored_struct {
abi_ulong __map[8]; /* 256 bits */
};
/* Nasty hack: define a fake errno value for use by sigreturn. */
#define TARGET_QEMU_ESIGRETURN 255
/*
* flags masks
*/
#if defined(TARGET_PPC64) && !defined(TARGET_ABI32)
#ifdef TARGET_WORDS_BIGENDIAN
#define UNAME_MACHINE "ppc64"
#else
#define UNAME_MACHINE "ppc64le"
#endif
#else
#define UNAME_MACHINE "ppc"
#endif
#define UNAME_MINIMUM_RELEASE "2.6.32"
#define TARGET_CLONE_BACKWARDS