qemu-e2k/linux-user/sparc/target_syscall.h
Igor Mammedov 576e1c4c23 sparc: embed sparc_def_t into CPUSPARCState
Make CPUSPARCState::def embedded so it would be allocated as part
of cpu instance and we won't have to worry about cleaning def pointer
up mannualy on cpu destruction.

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Tested-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <1503592308-93913-4-git-send-email-imammedo@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2017-09-01 11:54:24 -03:00

42 lines
1.1 KiB
C

#ifndef SPARC_TARGET_SYSCALL_H
#define SPARC_TARGET_SYSCALL_H
struct target_pt_regs {
abi_ulong psr;
abi_ulong pc;
abi_ulong npc;
abi_ulong y;
abi_ulong u_regs[16];
};
#define UNAME_MACHINE "sun4"
#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
/* For SPARC SHMLBA is determined at runtime in the kernel, and
* libc has to runtime-detect it using the hwcaps (see glibc
* sysdeps/unix/sysv/linux/sparc/getshmlba; we follow the same
* logic here, though we know we're not the sparc v9 64-bit case).
*/
#define TARGET_FORCE_SHMLBA
static inline abi_ulong target_shmlba(CPUSPARCState *env)
{
if (!(env->def.features & CPU_FEATURE_FLUSH)) {
return 64 * 1024;
} else {
return 256 * 1024;
}
}
#endif /* SPARC_TARGET_SYSCALL_H */