qemu/linux-user/sparc/target_syscall.h
Song Gao f9d0707182 linux-user: target_syscall.h remove definition TARGET_MINSIGSTKSZ
TARGET_MINSIGSTKSZ has been defined in generic/signal.h
or target_signal.h, We don't need to define it again.

Signed-off-by: Song Gao <gaosong@loongson.cn>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <1637893388-10282-3-git-send-email-gaosong@loongson.cn>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2022-01-06 11:40:52 +01:00

62 lines
1.4 KiB
C

#ifndef SPARC_TARGET_SYSCALL_H
#define SPARC_TARGET_SYSCALL_H
#if defined(TARGET_SPARC64) && !defined(TARGET_ABI32)
struct target_pt_regs {
abi_ulong u_regs[16];
abi_ulong tstate;
abi_ulong pc;
abi_ulong npc;
uint32_t y;
uint32_t magic;
};
#else
struct target_pt_regs {
abi_ulong psr;
abi_ulong pc;
abi_ulong npc;
abi_ulong y;
abi_ulong u_regs[16];
};
#endif
#ifdef TARGET_SPARC64
# define UNAME_MACHINE "sparc64"
#else
# define UNAME_MACHINE "sparc"
#endif
#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_MCL_CURRENT 0x2000
#define TARGET_MCL_FUTURE 0x4000
#define TARGET_MCL_ONFAULT 0x8000
/*
* 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.
*/
#define TARGET_FORCE_SHMLBA
static inline abi_ulong target_shmlba(CPUSPARCState *env)
{
#ifdef TARGET_SPARC64
return MAX(TARGET_PAGE_SIZE, 16 * 1024);
#else
if (!(env->def.features & CPU_FEATURE_FLUSH)) {
return 64 * 1024;
} else {
return 256 * 1024;
}
#endif
}
#endif /* SPARC_TARGET_SYSCALL_H */