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linux-user/sparc: Merge sparc64 target_syscall.h

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There are only a few differences in sparc32 vs sparc64.
This fixes target_shmlba for sparc32plus, which is v9.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20210426025334.1168495-8-richard.henderson@linaro.org>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
This commit is contained in:
Richard Henderson 2021-04-25 19:53:16 -07:00 committed by Laurent Vivier
parent 089a2256ee
commit 2f23eec6bd
2 changed files with 32 additions and 46 deletions
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42
linux-user/sparc/target_syscall.h
View File

@ -3,18 +3,34 @@
#include "target_errno.h"
#if defined(TARGET_SPARC64) && !defined(TARGET_ABI32)
struct target_pt_regs {
abi_ulong psr;
abi_ulong pc;
abi_ulong npc;
abi_ulong y;
abi_ulong u_regs[16];
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
#define UNAME_MACHINE "sparc"
#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
/*
* 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().
@ -25,20 +41,24 @@ struct target_pt_regs {
#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; we follow the same
* logic here, though we know we're not the sparc v9 64-bit case).
/*
* 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 */

36
linux-user/sparc64/target_syscall.h
View File

@ -1,35 +1 @@
#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_MCL_CURRENT 0x2000
#define TARGET_MCL_FUTURE 0x4000
#define TARGET_MCL_ONFAULT 0x8000
#define TARGET_FORCE_SHMLBA
static inline abi_ulong target_shmlba(CPUSPARCState *env)
{
return MAX(TARGET_PAGE_SIZE, 16 * 1024);
}
#endif /* SPARC64_TARGET_SYSCALL_H */
#include "../sparc/target_syscall.h"