8f968b6a24
We want to access the target errno indepently of the rest of the
linux-user code. Move the header containing the generic errno
definitions ('errno_defs.h') to 'generic/target_errno_defs.h',
create a new 'target_errno_defs.h' in each target which itself
includes 'generic/target_errno_defs.h'.
Suggested-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20210708170550.1846343-4-f4bug@amsat.org>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
63 lines
1.4 KiB
C
63 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_MINSIGSTKSZ 4096
|
|
#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 */
|