#include <linux/types.h>
#include <linux/compat.h>
+#ifdef CONFIG_PPC64
+#include <asm/syscalls_32.h>
+#endif
+#include <asm/unistd.h>
+#include <asm/ucontext.h>
+
+struct rtas_args;
+
/*
* long long munging:
* The 32 bit ABI passes long longs in an odd even register pair.
#define merge_64(high, low) (((u64)high << 32) | low)
#endif
-struct rtas_args;
+long sys_ni_syscall(void);
+
+/*
+ * PowerPC architecture-specific syscalls
+ */
+
+long sys_rtas(struct rtas_args __user *uargs);
+#ifdef CONFIG_PPC64
+long sys_ppc64_personality(unsigned long personality);
+#ifdef CONFIG_COMPAT
+long compat_sys_ppc64_personality(unsigned long personality);
+#endif /* CONFIG_COMPAT */
+#endif /* CONFIG_PPC64 */
+
+long sys_swapcontext(struct ucontext __user *old_ctx,
+ struct ucontext __user *new_ctx, long ctx_size);
long sys_mmap(unsigned long addr, size_t len,
unsigned long prot, unsigned long flags,
unsigned long fd, off_t offset);
long sys_mmap2(unsigned long addr, size_t len,
unsigned long prot, unsigned long flags,
unsigned long fd, unsigned long pgoff);
-long sys_ppc64_personality(unsigned long personality);
-long sys_rtas(struct rtas_args __user *uargs);
-long sys_ppc_fadvise64_64(int fd, int advice, u32 offset_high, u32 offset_low,
- u32 len_high, u32 len_low);
+long sys_switch_endian(void);
-#ifdef CONFIG_COMPAT
-long compat_sys_mmap2(unsigned long addr, size_t len,
- unsigned long prot, unsigned long flags,
- unsigned long fd, unsigned long pgoff);
-
-compat_ssize_t compat_sys_pread64(unsigned int fd, char __user *ubuf, compat_size_t count,
- u32 reg6, u32 pos1, u32 pos2);
+#ifdef CONFIG_PPC32
+long sys_sigreturn(void);
+long sys_debug_setcontext(struct ucontext __user *ctx, int ndbg,
+ struct sig_dbg_op __user *dbg);
+#endif
-compat_ssize_t compat_sys_pwrite64(unsigned int fd, const char __user *ubuf, compat_size_t count,
- u32 reg6, u32 pos1, u32 pos2);
+long sys_rt_sigreturn(void);
-compat_ssize_t compat_sys_readahead(int fd, u32 r4, u32 offset1, u32 offset2, u32 count);
+long sys_subpage_prot(unsigned long addr,
+ unsigned long len, u32 __user *map);
-int compat_sys_truncate64(const char __user *path, u32 reg4,
- unsigned long len1, unsigned long len2);
+#ifdef CONFIG_COMPAT
+long compat_sys_swapcontext(struct ucontext32 __user *old_ctx,
+ struct ucontext32 __user *new_ctx,
+ int ctx_size);
+long compat_sys_old_getrlimit(unsigned int resource,
+ struct compat_rlimit __user *rlim);
+long compat_sys_sigreturn(void);
+long compat_sys_rt_sigreturn(void);
+#endif /* CONFIG_COMPAT */
-int compat_sys_ftruncate64(unsigned int fd, u32 reg4, unsigned long len1,
- unsigned long len2);
+/*
+ * Architecture specific signatures required by long long munging:
+ * The 32 bit ABI passes long longs in an odd even register pair.
+ * The following signatures provide a machine long parameter for
+ * each register that will be supplied. The implementation is
+ * responsible for combining parameter pairs.
+ */
+#ifdef CONFIG_COMPAT
+long compat_sys_mmap2(unsigned long addr, size_t len,
+ unsigned long prot, unsigned long flags,
+ unsigned long fd, unsigned long pgoff);
+long compat_sys_ppc_pread64(unsigned int fd,
+ char __user *ubuf, compat_size_t count,
+ u32 reg6, u32 pos1, u32 pos2);
+long compat_sys_ppc_pwrite64(unsigned int fd,
+ const char __user *ubuf, compat_size_t count,
+ u32 reg6, u32 pos1, u32 pos2);
+long compat_sys_ppc_readahead(int fd, u32 r4,
+ u32 offset1, u32 offset2, u32 count);
+long compat_sys_ppc_truncate64(const char __user *path, u32 reg4,
+ unsigned long len1, unsigned long len2);
+long compat_sys_ppc_ftruncate64(unsigned int fd, u32 reg4,
+ unsigned long len1, unsigned long len2);
long compat_sys_ppc32_fadvise64(int fd, u32 unused, u32 offset1, u32 offset2,
size_t len, int advice);
+long compat_sys_ppc_sync_file_range2(int fd, unsigned int flags,
+ unsigned int offset1,
+ unsigned int offset2,
+ unsigned int nbytes1,
+ unsigned int nbytes2);
+#endif /* CONFIG_COMPAT */
-long compat_sys_sync_file_range2(int fd, unsigned int flags,
- unsigned int offset1, unsigned int offset2,
- unsigned int nbytes1, unsigned int nbytes2);
+#if defined(CONFIG_PPC32) || defined(CONFIG_COMPAT)
+long sys_ppc_fadvise64_64(int fd, int advice,
+ u32 offset_high, u32 offset_low,
+ u32 len_high, u32 len_low);
#endif
#endif /* __KERNEL__ */
--- /dev/null
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+#ifndef _ASM_POWERPC_SYSCALLS_32_H
+#define _ASM_POWERPC_SYSCALLS_32_H
+
+#include <linux/compat.h>
+#include <asm/siginfo.h>
+#include <asm/signal.h>
+
+/*
+ * Data types and macros for providing 32b PowerPC support.
+ */
+
+/* These are here to support 32-bit syscalls on a 64-bit kernel. */
+
+struct pt_regs32 {
+ unsigned int gpr[32];
+ unsigned int nip;
+ unsigned int msr;
+ unsigned int orig_gpr3; /* Used for restarting system calls */
+ unsigned int ctr;
+ unsigned int link;
+ unsigned int xer;
+ unsigned int ccr;
+ unsigned int mq; /* 601 only (not used at present) */
+ unsigned int trap; /* Reason for being here */
+ unsigned int dar; /* Fault registers */
+ unsigned int dsisr;
+ unsigned int result; /* Result of a system call */
+};
+
+struct sigcontext32 {
+ unsigned int _unused[4];
+ int signal;
+ compat_uptr_t handler;
+ unsigned int oldmask;
+ compat_uptr_t regs; /* 4 byte pointer to the pt_regs32 structure. */
+};
+
+struct mcontext32 {
+ elf_gregset_t32 mc_gregs;
+ elf_fpregset_t mc_fregs;
+ unsigned int mc_pad[2];
+ elf_vrregset_t32 mc_vregs __attribute__((__aligned__(16)));
+ elf_vsrreghalf_t32 mc_vsregs __attribute__((__aligned__(16)));
+};
+
+struct ucontext32 {
+ unsigned int uc_flags;
+ unsigned int uc_link;
+ compat_stack_t uc_stack;
+ int uc_pad[7];
+ compat_uptr_t uc_regs; /* points to uc_mcontext field */
+ compat_sigset_t uc_sigmask; /* mask last for extensibility */
+ /* glibc has 1024-bit signal masks, ours are 64-bit */
+ int uc_maskext[30];
+ int uc_pad2[3];
+ struct mcontext32 uc_mcontext;
+};
+
+#endif // _ASM_POWERPC_SYSCALLS_32_H
+++ /dev/null
-/* SPDX-License-Identifier: GPL-2.0-or-later */
-#ifndef _PPC64_PPC32_H
-#define _PPC64_PPC32_H
-
-#include <linux/compat.h>
-#include <asm/siginfo.h>
-#include <asm/signal.h>
-
-/*
- * Data types and macros for providing 32b PowerPC support.
- */
-
-/* These are here to support 32-bit syscalls on a 64-bit kernel. */
-
-struct pt_regs32 {
- unsigned int gpr[32];
- unsigned int nip;
- unsigned int msr;
- unsigned int orig_gpr3; /* Used for restarting system calls */
- unsigned int ctr;
- unsigned int link;
- unsigned int xer;
- unsigned int ccr;
- unsigned int mq; /* 601 only (not used at present) */
- unsigned int trap; /* Reason for being here */
- unsigned int dar; /* Fault registers */
- unsigned int dsisr;
- unsigned int result; /* Result of a system call */
-};
-
-struct sigcontext32 {
- unsigned int _unused[4];
- int signal;
- compat_uptr_t handler;
- unsigned int oldmask;
- compat_uptr_t regs; /* 4 byte pointer to the pt_regs32 structure. */
-};
-
-struct mcontext32 {
- elf_gregset_t32 mc_gregs;
- elf_fpregset_t mc_fregs;
- unsigned int mc_pad[2];
- elf_vrregset_t32 mc_vregs __attribute__((__aligned__(16)));
- elf_vsrreghalf_t32 mc_vsregs __attribute__((__aligned__(16)));
-};
-
-struct ucontext32 {
- unsigned int uc_flags;
- unsigned int uc_link;
- compat_stack_t uc_stack;
- int uc_pad[7];
- compat_uptr_t uc_regs; /* points to uc_mcontext field */
- compat_sigset_t uc_sigmask; /* mask last for extensibility */
- /* glibc has 1024-bit signal masks, ours are 64-bit */
- int uc_maskext[30];
- int uc_pad2[3];
- struct mcontext32 uc_mcontext;
-};
-
-#endif /* _PPC64_PPC32_H */
projects / linux.git / commitdiff