aboutsummaryrefslogtreecommitdiff
path: root/linux-user/sparc64/target_syscall.h
blob: 3073a23e03ae8f38e09717d3164a93b85a426c18 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
#ifndef SPARC64_TARGET_SYSCALL_H
#define SPARC64_TARGET_SYSCALL_H

#include "../sparc/target_errno.h"

struct target_pt_regs {
	abi_ulong u_regs[16];
	abi_ulong tstate;
	abi_ulong pc;
	abi_ulong npc;
	abi_ulong y;
	abi_ulong fprs;
};

#define UNAME_MACHINE "sparc64"
#define UNAME_MINIMUM_RELEASE "2.6.32"

/* SPARC kernels don't define this in their Kconfig, but they have the
 * same ABI as if they did, implemented by sparc-specific code which fishes
 * directly in the u_regs() struct for half the parameters in sparc_do_fork()
 * and copy_thread().
 */
#define TARGET_CLONE_BACKWARDS
#define TARGET_MINSIGSTKSZ      4096
#define TARGET_MLOCKALL_MCL_CURRENT 0x2000
#define TARGET_MLOCKALL_MCL_FUTURE  0x4000

#define TARGET_FORCE_SHMLBA

static inline abi_ulong target_shmlba(CPUSPARCState *env)
{
    return MAX(TARGET_PAGE_SIZE, 16 * 1024);
}
#endif /* SPARC64_TARGET_SYSCALL_H */