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[PATCH v2 07/25] linux-user/sparc: Merge sparc64 target_syscall.h
From: |
Richard Henderson |
Subject: |
[PATCH v2 07/25] linux-user/sparc: Merge sparc64 target_syscall.h |
Date: |
Sun, 25 Apr 2021 19:53:16 -0700 |
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>
---
linux-user/sparc/target_syscall.h | 42 +++++++++++++++++++++--------
linux-user/sparc64/target_syscall.h | 36 +------------------------
2 files changed, 32 insertions(+), 46 deletions(-)
diff --git a/linux-user/sparc/target_syscall.h
b/linux-user/sparc/target_syscall.h
index d8ea04ea83..15d531f389 100644
--- a/linux-user/sparc/target_syscall.h
+++ b/linux-user/sparc/target_syscall.h
@@ -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 */
diff --git a/linux-user/sparc64/target_syscall.h
b/linux-user/sparc64/target_syscall.h
index 696a68b1ed..164a5fc632 100644
--- a/linux-user/sparc64/target_syscall.h
+++ b/linux-user/sparc64/target_syscall.h
@@ -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"
--
2.25.1
- [PATCH v2 00/25] linux-user/sparc: Implement rt signals, Richard Henderson, 2021/04/25
- [PATCH v2 01/25] linux-user: Split out target_restore_altstack, Richard Henderson, 2021/04/25
- [PATCH v2 02/25] linux-user: Use target_restore_altstack in all sigreturn, Richard Henderson, 2021/04/25
- [PATCH v2 03/25] linux-user: Pass CPUArchState to do_sigaltstack, Richard Henderson, 2021/04/25
- [PATCH v2 07/25] linux-user/sparc: Merge sparc64 target_syscall.h,
Richard Henderson <=
- [PATCH v2 04/25] linux-user: Pass CPUArchState to target_restore_altstack, Richard Henderson, 2021/04/25
- [PATCH v2 06/25] linux-user/sparc: Clean up init_thread, Richard Henderson, 2021/04/25
- [PATCH v2 16/25] linux-user/sparc: Split out save_reg_win, Richard Henderson, 2021/04/25
- [PATCH v2 17/25] linux-user/sparc: Clean up get_sigframe, Richard Henderson, 2021/04/25
- [PATCH v2 05/25] linux-user/sparc: Include TARGET_STACK_BIAS in get_sp_from_cpustate, Richard Henderson, 2021/04/25
- [PATCH v2 10/25] linux-user/sparc: Merge sparc64 termbits.h, Richard Henderson, 2021/04/25
- [PATCH v2 22/25] linux-user/sparc: Add 64-bit support to fpu save/restore, Richard Henderson, 2021/04/25
- [PATCH v2 11/25] linux-user/sparc: Merge sparc64/ into sparc/, Richard Henderson, 2021/04/25
- [PATCH v2 14/25] linux-user/sparc: Fix the stackframe structure, Richard Henderson, 2021/04/25
- [PATCH v2 13/25] linux-user/sparc: Remove target_rt_signal_frame as unused, Richard Henderson, 2021/04/25