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-rw-r--r--arch/xtensa/kernel/asm-offsets.c5
-rw-r--r--arch/xtensa/kernel/entry.S228
-rw-r--r--arch/xtensa/kernel/process.c71
-rw-r--r--arch/xtensa/kernel/ptrace.c26
-rw-r--r--arch/xtensa/kernel/signal.c12
-rw-r--r--arch/xtensa/kernel/syscall.c95
-rw-r--r--arch/xtensa/kernel/syscalls.c288
-rw-r--r--arch/xtensa/kernel/syscalls.h247
-rw-r--r--include/asm-xtensa/fcntl.h98
-rw-r--r--include/asm-xtensa/posix_types.h2
-rw-r--r--include/asm-xtensa/shmbuf.h21
-rw-r--r--include/asm-xtensa/stat.h112
-rw-r--r--include/asm-xtensa/syscall.h20
-rw-r--r--include/asm-xtensa/unistd.h795
14 files changed, 1053 insertions, 967 deletions
diff --git a/arch/xtensa/kernel/asm-offsets.c b/arch/xtensa/kernel/asm-offsets.c
index 7cd1d7f8f60..b256cfbef34 100644
--- a/arch/xtensa/kernel/asm-offsets.c
+++ b/arch/xtensa/kernel/asm-offsets.c
@@ -87,6 +87,11 @@ int main(void)
DEFINE(MM_CONTEXT, offsetof (struct mm_struct, context));
BLANK();
DEFINE(PT_SINGLESTEP_BIT, PT_SINGLESTEP_BIT);
+
+ /* constants */
+ DEFINE(_CLONE_VM, CLONE_VM);
+ DEFINE(_CLONE_UNTRACED, CLONE_UNTRACED);
+
return 0;
}
diff --git a/arch/xtensa/kernel/entry.S b/arch/xtensa/kernel/entry.S
index c0b56b17927..9e271ba009b 100644
--- a/arch/xtensa/kernel/entry.S
+++ b/arch/xtensa/kernel/entry.S
@@ -1004,13 +1004,10 @@ ENTRY(fast_syscall_kernel)
rsr a0, DEPC # get syscall-nr
_beqz a0, fast_syscall_spill_registers
-
- addi a0, a0, -__NR_sysxtensa
- _beqz a0, fast_syscall_sysxtensa
+ _beqi a0, __NR_xtensa, fast_syscall_xtensa
j kernel_exception
-
ENTRY(fast_syscall_user)
/* Skip syscall. */
@@ -1024,9 +1021,7 @@ ENTRY(fast_syscall_user)
rsr a0, DEPC # get syscall-nr
_beqz a0, fast_syscall_spill_registers
-
- addi a0, a0, -__NR_sysxtensa
- _beqz a0, fast_syscall_sysxtensa
+ _beqi a0, __NR_xtensa, fast_syscall_xtensa
j user_exception
@@ -1047,18 +1042,19 @@ ENTRY(fast_syscall_unrecoverable)
/*
* sysxtensa syscall handler
*
- * int sysxtensa (XTENSA_ATOMIC_SET, ptr, val, unused);
- * int sysxtensa (XTENSA_ATOMIC_ADD, ptr, val, unused);
- * int sysxtensa (XTENSA_ATOMIC_EXG_ADD, ptr, val, unused);
- * int sysxtensa (XTENSA_ATOMIC_CMP_SWP, ptr, oldval, newval);
- * a2 a6 a3 a4 a5
+ * int sysxtensa (SYS_XTENSA_ATOMIC_SET, ptr, val, unused);
+ * int sysxtensa (SYS_XTENSA_ATOMIC_ADD, ptr, val, unused);
+ * int sysxtensa (SYS_XTENSA_ATOMIC_EXG_ADD, ptr, val, unused);
+ * int sysxtensa (SYS_XTENSA_ATOMIC_CMP_SWP, ptr, oldval, newval);
+ * a2 a6 a3 a4 a5
*
* Entry condition:
*
- * a0: trashed, original value saved on stack (PT_AREG0)
+ * a0: a2 (syscall-nr), original value saved on stack (PT_AREG0)
* a1: a1
- * a2: new stack pointer, original in DEPC
- * a3: dispatch table
+ * a2: new stack pointer, original in a0 and DEPC
+ * a3: dispatch table, original in excsave_1
+ * a4..a15: unchanged
* depc: a2, original value saved on stack (PT_DEPC)
* excsave_1: a3
*
@@ -1091,59 +1087,62 @@ ENTRY(fast_syscall_unrecoverable)
#define CATCH \
67:
-ENTRY(fast_syscall_sysxtensa)
-
- _beqz a6, 1f
- _blti a6, SYSXTENSA_COUNT, 2f
+ENTRY(fast_syscall_xtensa)
-1: j user_exception
-
-2: xsr a3, EXCSAVE_1 # restore a3, excsave1
- s32i a7, a2, PT_AREG7
+ xsr a3, EXCSAVE_1 # restore a3, excsave1
+ s32i a7, a2, PT_AREG7 # we need an additional register
movi a7, 4 # sizeof(unsigned int)
- access_ok a0, a3, a7, a2, .Leac
+ access_ok a3, a7, a0, a2, .Leac # a0: scratch reg, a2: sp
- _beqi a6, SYSXTENSA_ATOMIC_SET, .Lset
- _beqi a6, SYSXTENSA_ATOMIC_EXG_ADD, .Lexg
- _beqi a6, SYSXTENSA_ATOMIC_ADD, .Ladd
+ addi a6, a6, -1 # assuming SYS_XTENSA_ATOMIC_SET = 1
+ _bgeui a6, SYS_XTENSA_COUNT - 1, .Lill
+ _bnei a6, SYS_XTENSA_ATOMIC_CMP_SWP - 1, .Lnswp
- /* Fall through for SYSXTENSA_ATOMIC_CMP_SWP */
+ /* Fall through for ATOMIC_CMP_SWP. */
.Lswp: /* Atomic compare and swap */
-TRY l32i a7, a3, 0 # read old value
- bne a7, a4, 1f # same as old value? jump
- s32i a5, a3, 0 # different, modify value
- movi a7, 1 # and return 1
- j .Lret
-
-1: movi a7, 0 # same values: return 0
- j .Lret
-
-.Ladd: /* Atomic add */
-.Lexg: /* Atomic (exchange) add */
+TRY l32i a0, a3, 0 # read old value
+ bne a0, a4, 1f # same as old value? jump
+TRY s32i a5, a3, 0 # different, modify value
+ l32i a7, a2, PT_AREG7 # restore a7
+ l32i a0, a2, PT_AREG0 # restore a0
+ movi a2, 1 # and return 1
+ addi a6, a6, 1 # restore a6 (really necessary?)
+ rfe
-TRY l32i a7, a3, 0
- add a4, a4, a7
- s32i a4, a3, 0
- j .Lret
+1: l32i a7, a2, PT_AREG7 # restore a7
+ l32i a0, a2, PT_AREG0 # restore a0
+ movi a2, 0 # return 0 (note that we cannot set
+ addi a6, a6, 1 # restore a6 (really necessary?)
+ rfe
-.Lset: /* Atomic set */
+.Lnswp: /* Atomic set, add, and exg_add. */
-TRY l32i a7, a3, 0 # read old value as return value
- s32i a4, a3, 0 # write new value
+TRY l32i a7, a3, 0 # orig
+ add a0, a4, a7 # + arg
+ moveqz a0, a4, a6 # set
+TRY s32i a0, a3, 0 # write new value
-.Lret: mov a0, a2
+ mov a0, a2
mov a2, a7
- l32i a7, a0, PT_AREG7
- l32i a3, a0, PT_AREG3
- l32i a0, a0, PT_AREG0
+ l32i a7, a0, PT_AREG7 # restore a7
+ l32i a0, a0, PT_AREG0 # restore a0
+ addi a6, a6, 1 # restore a6 (really necessary?)
rfe
CATCH
-.Leac: movi a7, -EFAULT
- j .Lret
+.Leac: l32i a7, a2, PT_AREG7 # restore a7
+ l32i a0, a2, PT_AREG0 # restore a0
+ movi a2, -EFAULT
+ rfe
+
+.Lill: l32i a7, a2, PT_AREG0 # restore a7
+ l32i a0, a2, PT_AREG0 # restore a0
+ movi a2, -EINVAL
+ rfe
+
@@ -1907,6 +1906,103 @@ ENTRY(fast_coprocessor)
#endif /* XCHAL_EXTRA_SA_SIZE */
/*
+ * System Calls.
+ *
+ * void system_call (struct pt_regs* regs, int exccause)
+ * a2 a3
+ */
+
+ENTRY(system_call)
+ entry a1, 32
+
+ /* regs->syscall = regs->areg[2] */
+
+ l32i a3, a2, PT_AREG2
+ mov a6, a2
+ movi a4, do_syscall_trace_enter
+ s32i a3, a2, PT_SYSCALL
+ callx4 a4
+
+ /* syscall = sys_call_table[syscall_nr] */
+
+ movi a4, sys_call_table;
+ movi a5, __NR_syscall_count
+ movi a6, -ENOSYS
+ bgeu a3, a5, 1f
+
+ addx4 a4, a3, a4
+ l32i a4, a4, 0
+ movi a5, sys_ni_syscall;
+ beq a4, a5, 1f
+
+ /* Load args: arg0 - arg5 are passed via regs. */
+
+ l32i a6, a2, PT_AREG6
+ l32i a7, a2, PT_AREG3
+ l32i a8, a2, PT_AREG4
+ l32i a9, a2, PT_AREG5
+ l32i a10, a2, PT_AREG8
+ l32i a11, a2, PT_AREG9
+
+ /* Pass one additional argument to the syscall: pt_regs (on stack) */
+ s32i a2, a1, 0
+
+ callx4 a4
+
+1: /* regs->areg[2] = return_value */
+
+ s32i a6, a2, PT_AREG2
+ movi a4, do_syscall_trace_leave
+ mov a6, a2
+ callx4 a4
+ retw
+
+
+/*
+ * Create a kernel thread
+ *
+ * int kernel_thread(int (*fn)(void *), void *arg, unsigned long flags)
+ * a2 a2 a3 a4
+ */
+
+ENTRY(kernel_thread)
+ entry a1, 16
+
+ mov a5, a2 # preserve fn over syscall
+ mov a7, a3 # preserve args over syscall
+
+ movi a3, _CLONE_VM | _CLONE_UNTRACED
+ movi a2, __NR_clone
+ or a6, a4, a3 # arg0: flags
+ mov a3, a1 # arg1: sp
+ syscall
+
+ beq a3, a1, 1f # branch if parent
+ mov a6, a7 # args
+ callx4 a5 # fn(args)
+
+ movi a2, __NR_exit
+ syscall # return value of fn(args) still in a6
+
+1: retw
+
+/*
+ * Do a system call from kernel instead of calling sys_execve, so we end up
+ * with proper pt_regs.
+ *
+ * int kernel_execve(const char *fname, char *const argv[], charg *const envp[])
+ * a2 a2 a3 a4
+ */
+
+ENTRY(kernel_execve)
+ entry a1, 16
+ mov a6, a2 # arg0 is in a6
+ movi a2, __NR_execve
+ syscall
+
+ retw
+
+/*
* Task switch.
*
* struct task* _switch_to (struct task* prev, struct task* next)
@@ -1964,33 +2060,9 @@ ENTRY(ret_from_fork)
movi a4, schedule_tail
callx4 a4
- movi a4, do_syscall_trace
+ movi a4, do_syscall_trace_leave
+ mov a6, a1
callx4 a4
j common_exception_return
-
-
-/*
- * Table of syscalls
- */
-
-.data
-.align 4
-.global sys_call_table
-sys_call_table:
-
-#define SYSCALL(call, narg) .word call
-#include "syscalls.h"
-
-/*
- * Number of arguments of each syscall
- */
-
-.global sys_narg_table
-sys_narg_table:
-
-#undef SYSCALL
-#define SYSCALL(call, narg) .byte narg
-#include "syscalls.h"
-
diff --git a/arch/xtensa/kernel/process.c b/arch/xtensa/kernel/process.c
index 3785f3481d7..795bd5ac6f4 100644
--- a/arch/xtensa/kernel/process.c
+++ b/arch/xtensa/kernel/process.c
@@ -161,36 +161,6 @@ int copy_thread(int nr, unsigned long clone_flags, unsigned long usp,
/*
- * Create a kernel thread
- */
-
-int kernel_thread(int (*fn)(void *), void * arg, unsigned long flags)
-{
- long retval;
- __asm__ __volatile__
- ("mov a5, %4\n\t" /* preserve fn in a5 */
- "mov a6, %3\n\t" /* preserve and setup arg in a6 */
- "movi a2, %1\n\t" /* load __NR_clone for syscall*/
- "mov a3, sp\n\t" /* sp check and sys_clone */
- "mov a4, %5\n\t" /* load flags for syscall */
- "syscall\n\t"
- "beq a3, sp, 1f\n\t" /* branch if parent */
- "callx4 a5\n\t" /* call fn */
- "movi a2, %2\n\t" /* load __NR_exit for syscall */
- "mov a3, a6\n\t" /* load fn return value */
- "syscall\n"
- "1:\n\t"
- "mov %0, a2\n\t" /* parent returns zero */
- :"=r" (retval)
- :"i" (__NR_clone), "i" (__NR_exit),
- "r" (arg), "r" (fn),
- "r" (flags | CLONE_VM)
- : "a2", "a3", "a4", "a5", "a6" );
- return retval;
-}
-
-
-/*
* These bracket the sleeping functions..
*/
@@ -452,3 +422,44 @@ int dump_fpu(struct pt_regs *regs, elf_fpregset_t *r)
{
return dump_task_fpu(regs, current, r);
}
+
+asmlinkage
+long xtensa_clone(unsigned long clone_flags, unsigned long newsp,
+ void __user *parent_tid, void *child_tls,
+ void __user *child_tid, long a5,
+ struct pt_regs *regs)
+{
+ if (!newsp)
+ newsp = regs->areg[1];
+ return do_fork(clone_flags, newsp, regs, 0, parent_tid, child_tid);
+}
+
+/*
+ * * xtensa_execve() executes a new program.
+ * */
+
+asmlinkage
+long xtensa_execve(char __user *name, char __user * __user *argv,
+ char __user * __user *envp,
+ long a3, long a4, long a5,
+ struct pt_regs *regs)
+{
+ long error;
+ char * filename;
+
+ filename = getname(name);
+ error = PTR_ERR(filename);
+ if (IS_ERR(filename))
+ goto out;
+ // FIXME: release coprocessor??
+ error = do_execve(filename, argv, envp, regs);
+ if (error == 0) {
+ task_lock(current);
+ current->ptrace &= ~PT_DTRACE;
+ task_unlock(current);
+ }
+ putname(filename);
+out:
+ return error;
+}
+
diff --git a/arch/xtensa/kernel/ptrace.c b/arch/xtensa/kernel/ptrace.c
index 604c3c3c675..8b6d3d0623b 100644
--- a/arch/xtensa/kernel/ptrace.c
+++ b/arch/xtensa/kernel/ptrace.c
@@ -332,12 +332,6 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
void do_syscall_trace(void)
{
- if (!test_thread_flag(TIF_SYSCALL_TRACE))
- return;
-
- if (!(current->ptrace & PT_PTRACED))
- return;
-
/*
* The 0x80 provides a way for the tracing parent to distinguish
* between a syscall stop and SIGTRAP delivery
@@ -354,3 +348,23 @@ void do_syscall_trace(void)
current->exit_code = 0;
}
}
+
+void do_syscall_trace_enter(struct pt_regs *regs)
+{
+ if (test_thread_flag(TIF_SYSCALL_TRACE)
+ && (current->ptrace & PT_PTRACED))
+ do_syscall_trace();
+
+#if 0
+ if (unlikely(current->audit_context))
+ audit_syscall_entry(current, AUDIT_ARCH_XTENSA..);
+#endif
+}
+
+void do_syscall_trace_leave(struct pt_regs *regs)
+{
+ if ((test_thread_flag(TIF_SYSCALL_TRACE))
+ && (current->ptrace & PT_PTRACED))
+ do_syscall_trace();
+}
+
diff --git a/arch/xtensa/kernel/signal.c b/arch/xtensa/kernel/signal.c
index 6af7f414599..c6d9880a4cd 100644
--- a/arch/xtensa/kernel/signal.c
+++ b/arch/xtensa/kernel/signal.c
@@ -46,7 +46,7 @@ extern struct task_struct *coproc_owners[];
* Atomically swap in the new signal mask, and wait for a signal.
*/
-int sys_sigsuspend(struct pt_regs *regs)
+int xtensa_sigsuspend(struct pt_regs *regs)
{
old_sigset_t mask = (old_sigset_t) regs->areg[3];
sigset_t saveset;
@@ -68,7 +68,7 @@ int sys_sigsuspend(struct pt_regs *regs)
}
asmlinkage int
-sys_rt_sigsuspend(struct pt_regs *regs)
+xtensa_rt_sigsuspend(struct pt_regs *regs)
{
sigset_t *unewset = (sigset_t *) regs->areg[4];
size_t sigsetsize = (size_t) regs->areg[3];
@@ -96,7 +96,7 @@ sys_rt_sigsuspend(struct pt_regs *regs)
}
asmlinkage int
-sys_sigaction(int sig, const struct old_sigaction *act,
+xtensa_sigaction(int sig, const struct old_sigaction *act,
struct old_sigaction *oact)
{
struct k_sigaction new_ka, old_ka;
@@ -128,7 +128,7 @@ sys_sigaction(int sig, const struct old_sigaction *act,
}
asmlinkage int
-sys_sigaltstack(struct pt_regs *regs)
+xtensa_sigaltstack(struct pt_regs *regs)
{
const stack_t *uss = (stack_t *) regs->areg[4];
stack_t *uoss = (stack_t *) regs->areg[3];
@@ -350,7 +350,7 @@ setup_sigcontext(struct sigcontext *sc, struct _cpstate *cpstate,
return err;
}
-asmlinkage int sys_sigreturn(struct pt_regs *regs)
+asmlinkage int xtensa_sigreturn(struct pt_regs *regs)
{
struct sigframe *frame = (struct sigframe *)regs->areg[1];
sigset_t set;
@@ -382,7 +382,7 @@ badframe:
return 0;
}
-asmlinkage int sys_rt_sigreturn(struct pt_regs *regs)
+asmlinkage int xtensa_rt_sigreturn(struct pt_regs *regs)
{
struct rt_sigframe *frame = (struct rt_sigframe *)regs->areg[1];
sigset_t set;
diff --git a/arch/xtensa/kernel/syscall.c b/arch/xtensa/kernel/syscall.c
new file mode 100644
index 00000000000..418268f4976
--- /dev/null
+++ b/arch/xtensa/kernel/syscall.c
@@ -0,0 +1,95 @@
+/*
+ * arch/xtensa/kernel/syscall.c
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 2001 - 2005 Tensilica Inc.
+ * Copyright (C) 2000 Silicon Graphics, Inc.
+ * Copyright (C) 1995 - 2000 by Ralf Baechle
+ *
+ * Joe Taylor <joe@tensilica.com, joetylr@yahoo.com>
+ * Marc Gauthier <marc@tensilica.com, marc@alumni.uwaterloo.ca>
+ * Chris Zankel <chris@zankel.net>
+ * Kevin Chea
+ *
+ */
+#include <asm/uaccess.h>
+#include <asm/syscalls.h>
+#include <asm/unistd.h>
+#include <linux/linkage.h>
+#include <linux/stringify.h>
+#include <linux/errno.h>
+#include <linux/syscalls.h>
+#include <linux/file.h>
+#include <linux/fs.h>
+#include <linux/mman.h>
+#include <linux/shm.h>
+
+typedef void (*syscall_t)(void);
+
+syscall_t sys_call_table[__NR_syscall_count] /* FIXME __cacheline_aligned */= {
+ [0 ... __NR_syscall_count - 1] = (syscall_t)&sys_ni_syscall,
+
+#undef __SYSCALL
+#define __SYSCALL(nr,symbol,nargs) [ nr ] = (syscall_t)symbol,
+#undef _XTENSA_UNISTD_H
+#undef __KERNEL_SYSCALLS__
+#include <asm/unistd.h>
+};
+
+/*
+ * xtensa_pipe() is the normal C calling standard for creating a pipe. It's not
+ * the way unix traditional does this, though.
+ */
+
+asmlinkage long xtensa_pipe(int __user *userfds)
+{
+ int fd[2];
+ int error;
+
+ error = do_pipe(fd);
+ if (!error) {
+ if (copy_to_user(userfds, fd, 2 * sizeof(int)))
+ error = -EFAULT;
+ }
+ return error;
+}
+
+
+asmlinkage long xtensa_mmap2(unsigned long addr, unsigned long len,
+ unsigned long prot, unsigned long flags,
+ unsigned long fd, unsigned long pgoff)
+{
+ int error = -EBADF;
+ struct file * file = NULL;
+
+ flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE);
+ if (!(flags & MAP_ANONYMOUS)) {
+ file = fget(fd);
+ if (!file)
+ goto out;
+ }
+
+ down_write(&current->mm->mmap_sem);
+ error = do_mmap_pgoff(file, addr, len, prot, flags, pgoff);
+ up_write(&current->mm->mmap_sem);
+
+ if (file)
+ fput(file);
+out:
+ return error;
+}
+
+asmlinkage long xtensa_shmat(int shmid, char __user *shmaddr, int shmflg)
+{
+ unsigned long ret;
+ long err;
+
+ err = do_shmat(shmid, shmaddr, shmflg, &ret);
+ if (err)
+ return err;
+ return (long)ret;
+}
+
diff --git a/arch/xtensa/kernel/syscalls.c b/arch/xtensa/kernel/syscalls.c
deleted file mode 100644
index f9a5a752ca6..00000000000
--- a/arch/xtensa/kernel/syscalls.c
+++ /dev/null
@@ -1,288 +0,0 @@
-/*
- * arch/xtensa/kernel/syscalls.c
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * Copyright (C) 2001 - 2005 Tensilica Inc.
- * Copyright (C) 2000 Silicon Graphics, Inc.
- * Copyright (C) 1995 - 2000 by Ralf Baechle
- *
- * Joe Taylor <joe@tensilica.com, joetylr@yahoo.com>
- * Marc Gauthier <marc@tensilica.com, marc@alumni.uwaterloo.ca>
- * Chris Zankel <chris@zankel.net>
- * Kevin Chea
- *
- */
-
-#define DEBUG 0
-
-#include <linux/linkage.h>
-#include <linux/mm.h>
-#include <linux/smp.h>
-#include <linux/smp_lock.h>
-#include <linux/mman.h>
-#include <linux/sched.h>
-#include <linux/file.h>
-#include <linux/slab.h>
-#include <linux/utsname.h>
-#include <linux/unistd.h>
-#include <linux/stringify.h>
-#include <linux/syscalls.h>
-#include <linux/sem.h>
-#include <linux/msg.h>
-#include <linux/shm.h>
-#include <linux/errno.h>
-#include <asm/ptrace.h>
-#include <asm/signal.h>
-#include <asm/uaccess.h>
-#include <asm/hardirq.h>
-#include <asm/mman.h>
-#include <asm/shmparam.h>
-#include <asm/page.h>
-
-extern void do_syscall_trace(void);
-typedef int (*syscall_t)(void *a0,...);
-extern syscall_t sys_call_table[];
-extern unsigned char sys_narg_table[];
-
-/*
- * sys_pipe() is the normal C calling standard for creating a pipe. It's not
- * the way unix traditional does this, though.
- */
-
-int sys_pipe(int __user *userfds)
-{
- int fd[2];
- int error;
-
- error = do_pipe(fd);
- if (!error) {
- if (copy_to_user(userfds, fd, 2 * sizeof(int)))
- error = -EFAULT;
- }
- return error;
-}
-
-/*
- * Common code for old and new mmaps.
- */
-long sys_mmap(unsigned long addr, unsigned long len, unsigned long prot,
- unsigned long flags, unsigned long fd, unsigned long pgoff)
-{
- int error = -EBADF;
- struct file * file = NULL;
-
- flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE);
- if (!(flags & MAP_ANONYMOUS)) {
- file = fget(fd);
- if (!file)
- goto out;
- }
-
- down_write(&current->mm->mmap_sem);
- error = do_mmap_pgoff(file, addr, len, prot, flags, pgoff);
- up_write(&current->mm->mmap_sem);
-
- if (file)
- fput(file);
-out:
- return error;
-}
-
-int sys_clone(struct pt_regs *regs)
-{
- unsigned long clone_flags;
- unsigned long newsp;
- int __user *parent_tidptr, *child_tidptr;
- clone_flags = regs->areg[4];
- newsp = regs->areg[3];
- parent_tidptr = (int __user *)regs->areg[5];
- child_tidptr = (int __user *)regs->areg[6];
- if (!newsp)
- newsp = regs->areg[1];
- return do_fork(clone_flags,newsp,regs,0,parent_tidptr,child_tidptr);
-}
-
-/*
- * sys_execve() executes a new program.
- */
-
-int sys_execve(struct pt_regs *regs)
-{
- int error;
- char * filename;
-
- filename = getname((char *) (long)regs->areg[5]);
- error = PTR_ERR(filename);
- if (IS_ERR(filename))
- goto out;
- error = do_execve(filename, (char **) (long)regs->areg[3],
- (char **) (long)regs->areg[4], regs);
- putname(filename);
-
-out:
- return error;
-}
-
-int sys_uname(struct old_utsname * name)
-{
- if (name && !copy_to_user(name, utsname(), sizeof (*name)))
- return 0;
- return -EFAULT;
-}
-
-/*
- * Build the string table for the builtin "poor man's strace".
- */
-
-#if DEBUG
-#define SYSCALL(fun, narg) #fun,
-static char *sfnames[] = {
-#include "syscalls.h"
-};
-#undef SYS
-#endif
-
-void system_call (struct pt_regs *regs)
-{
- syscall_t syscall;
- unsigned long parm0, parm1, parm2, parm3, parm4, parm5;
- int nargs, res;
- unsigned int syscallnr;
- int ps;
-
-#if DEBUG
- int i;
- unsigned long parms[6];
- char *sysname;
-#endif
-
- regs->syscall = regs->areg[2];
-
- do_syscall_trace();
-
- /* Have to load after syscall_trace because strace
- * sometimes changes regs->syscall.
- */
- syscallnr = regs->syscall;
-
- parm0 = parm1 = parm2 = parm3 = parm4 = parm5 = 0;
-
- /* Restore interrupt level to syscall invoker's.
- * If this were in assembly, we wouldn't disable
- * interrupts in the first place:
- */
- local_save_flags (ps);
- local_irq_restore((ps & ~PS_INTLEVEL_MASK) |
- (regs->ps & PS_INTLEVEL_MASK) );
-
- if (syscallnr > __NR_Linux_syscalls) {
- regs->areg[2] = -ENOSYS;
- return;
- }
-
- syscall = sys_call_table[syscallnr];
- nargs = sys_narg_table[syscallnr];
-
- if (syscall == NULL) {
- regs->areg[2] = -ENOSYS;
- return;
- }
-
- /* There shouldn't be more than six arguments in the table! */
-
- if (nargs > 6)
- panic("Internal error - too many syscall arguments (%d)!\n",
- nargs);
-
- /* Linux takes system-call arguments in registers. The ABI
- * and Xtensa software conventions require the system-call
- * number in a2. If an argument exists in a2, we move it to
- * the next available register. Note that for improved
- * efficiency, we do NOT shift all parameters down one
- * register to maintain the original order.
- *
- * At best case (zero arguments), we just write the syscall
- * number to a2. At worst case (1 to 6 arguments), we move
- * the argument in a2 to the next available register, then
- * write the syscall number to a2.
- *
- * For clarity, the following truth table enumerates all
- * possibilities.
- *
- * arguments syscall number arg0, arg1, arg2, arg3, arg4, arg5
- * --------- -------------- ----------------------------------
- * 0 a2
- * 1 a2 a3
- * 2 a2 a4, a3
- * 3 a2 a5, a3, a4
- * 4 a2 a6, a3, a4, a5
- * 5 a2 a7, a3, a4, a5, a6
- * 6 a2 a8, a3, a4, a5, a6, a7
- */
- if (nargs) {
- parm0 = regs->areg[nargs+2];
- parm1 = regs->areg[3];
- parm2 = regs->areg[4];
- parm3 = regs->areg[5];
- parm4 = regs->areg[6];
- parm5 = regs->areg[7];
- } else /* nargs == 0 */
- parm0 = (unsigned long) regs;
-
-#if DEBUG
- parms[0] = parm0;
- parms[1] = parm1;
- parms[2] = parm2;
- parms[3] = parm3;
- parms[4] = parm4;
- parms[5] = parm5;
-
- sysname = sfnames[syscallnr];
- if (strncmp(sysname, "sys_", 4) == 0)
- sysname = sysname + 4;
-
- printk("\017SYSCALL:I:%x:%d:%s %s(", regs->pc, current->pid,
- current->comm, sysname);
- for (i = 0; i < nargs; i++)
- printk((i>0) ? ", %#lx" : "%#lx", parms[i]);
- printk(")\n");
-#endif
-
- res = syscall((void *)parm0, parm1, parm2, parm3, parm4, parm5);
-
-#if DEBUG
- printk("\017SYSCALL:O:%d:%s %s(",current->pid, current->comm, sysname);
- for (i = 0; i < nargs; i++)
- printk((i>0) ? ", %#lx" : "%#lx", parms[i]);
- if (res < 4096)
- printk(") = %d\n", res);
- else
- printk(") = %#x\n", res);
-#endif /* DEBUG */
-
- regs->areg[2] = res;
- do_syscall_trace();
-}
-
-/*
- * Do a system call from kernel instead of calling sys_execve so we
- * end up with proper pt_regs.
- */
-int kernel_execve(const char *filename, char *const argv[], char *const envp[])
-{
- long __res;
- asm volatile (
- " mov a5, %2 \n"
- " mov a4, %4 \n"
- " mov a3, %3 \n"
- " movi a2, %1 \n"
- " syscall \n"
- " mov %0, a2 \n"
- : "=a" (__res)
- : "i" (__NR_execve), "a" (filename), "a" (argv), "a" (envp)
- : "a2", "a3", "a4", "a5");
- return __res;
-}
diff --git a/arch/xtensa/kernel/syscalls.h b/arch/xtensa/kernel/syscalls.h
deleted file mode 100644
index 216c10a3150..00000000000
--- a/arch/xtensa/kernel/syscalls.h
+++ /dev/null
@@ -1,247 +0,0 @@
-/*
- * arch/xtensa/kernel/syscalls.h
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * Copyright (C) 1995, 1996, 1997, 1998 by Ralf Baechle
- * Copyright (C) 2001 - 2005 Tensilica Inc.
- *
- * Changes by Joe Taylor <joe@tensilica.com>
- */
-
-/*
- * This file is being included twice - once to build a list of all
- * syscalls and once to build a table of how many arguments each syscall
- * accepts. Syscalls that receive a pointer to the saved registers are
- * marked as having zero arguments.
- *
- * The binary compatibility calls are in a separate list.
- *
- * Entry '0' used to be system_call. It's removed to disable indirect
- * system calls for now so user tasks can't recurse. See mips'
- * sys_syscall for a comparable example.
- */
-
-SYSCALL(0, 0) /* 00 */
-SYSCALL(sys_exit, 1)
-SYSCALL(sys_ni_syscall, 0)
-SYSCALL(sys_read, 3)
-SYSCALL(sys_write, 3)
-SYSCALL(sys_open, 3) /* 05 */
-SYSCALL(sys_close, 1)
-SYSCALL(sys_ni_syscall, 3)
-SYSCALL(sys_creat, 2)
-SYSCALL(sys_link, 2)
-SYSCALL(sys_unlink, 1) /* 10 */
-SYSCALL(sys_execve, 0)
-SYSCALL(sys_chdir, 1)
-SYSCALL(sys_ni_syscall, 1)
-SYSCALL(sys_mknod, 3)
-SYSCALL(sys_chmod, 2) /* 15 */
-SYSCALL(sys_lchown, 3)
-SYSCALL(sys_ni_syscall, 0)
-SYSCALL(sys_newstat, 2)
-SYSCALL(sys_lseek, 3)
-SYSCALL(sys_getpid, 0) /* 20 */
-SYSCALL(sys_mount, 5)
-SYSCALL(sys_ni_syscall, 1)
-SYSCALL(sys_setuid, 1)
-SYSCALL(sys_getuid, 0)
-SYSCALL(sys_ni_syscall, 1) /* 25 */
-SYSCALL(sys_ptrace, 4)
-SYSCALL(sys_ni_syscall, 1)
-SYSCALL(sys_newfstat, 2)
-SYSCALL(sys_ni_syscall, 0)
-SYSCALL(sys_utime, 2) /* 30 */
-SYSCALL(sys_ni_syscall, 0)
-SYSCALL(sys_ni_syscall, 0)
-SYSCALL(sys_access, 2)
-SYSCALL(sys_ni_syscall, 1)
-SYSCALL(sys_ni_syscall, 0) /* 35 */
-SYSCALL(sys_sync, 0)
-SYSCALL(sys_kill, 2)
-SYSCALL(sys_rename, 2)
-SYSCALL(sys_mkdir, 2)
-SYSCALL(sys_rmdir, 1) /* 40 */
-SYSCALL(sys_dup, 1)
-SYSCALL(sys_pipe, 1)
-SYSCALL(sys_times, 1)
-SYSCALL(sys_ni_syscall, 0)
-SYSCALL(sys_brk, 1) /* 45 */
-SYSCALL(sys_setgid, 1)
-SYSCALL(sys_getgid, 0)
-SYSCALL(sys_ni_syscall, 0)
-SYSCALL(sys_geteuid, 0)
-SYSCALL(sys_getegid, 0) /* 50 */
-SYSCALL(sys_acct, 1)
-SYSCALL(sys_umount, 2)
-SYSCALL(sys_ni_syscall, 0)
-SYSCALL(sys_ioctl, 3)
-SYSCALL(sys_fcntl, 3) /* 55 */
-SYSCALL(sys_ni_syscall, 2)
-SYSCALL(sys_setpgid, 2)
-SYSCALL(sys_ni_syscall, 0)
-SYSCALL(sys_ni_syscall, 0)
-SYSCALL(sys_umask, 1) /* 60 */
-SYSCALL(sys_chroot, 1)
-SYSCALL(sys_ustat, 2)
-SYSCALL(sys_dup2, 2)
-SYSCALL(sys_getppid, 0)
-SYSCALL(sys_ni_syscall, 0) /* 65 */
-SYSCALL(sys_setsid, 0)
-SYSCALL(sys_sigaction, 3)
-SYSCALL(sys_ni_syscall, 0)
-SYSCALL(sys_ni_syscall, 1)
-SYSCALL(sys_setreuid, 2) /* 70 */
-SYSCALL(sys_setregid, 2)
-SYSCALL(sys_sigsuspend, 0)
-SYSCALL(sys_ni_syscall, 1)
-SYSCALL(sys_sethostname, 2)
-SYSCALL(sys_setrlimit, 2) /* 75 */
-SYSCALL(sys_getrlimit, 2)
-SYSCALL(sys_getrusage, 2)
-SYSCALL(sys_gettimeofday, 2)
-SYSCALL(sys_settimeofday, 2)
-SYSCALL(sys_getgroups, 2) /* 80 */
-SYSCALL(sys_setgroups, 2)
-SYSCALL(sys_ni_syscall, 0)
-SYSCALL(sys_symlink, 2)
-SYSCALL(sys_newlstat, 2)
-SYSCALL(sys_readlink, 3) /* 85 */
-SYSCALL(sys_uselib, 1)
-SYSCALL(sys_swapon, 2)
-SYSCALL(sys_reboot, 3)
-SYSCALL(sys_ni_syscall, 3)
-SYSCALL(sys_ni_syscall, 6) /* 90 */
-SYSCALL(sys_munmap, 2)
-SYSCALL(sys_truncate, 2)
-SYSCALL(sys_ftruncate, 2)
-SYSCALL(sys_fchmod, 2)
-SYSCALL(sys_fchown, 3) /* 95 */
-SYSCALL(sys_getpriority, 2)
-SYSCALL(sys_setpriority, 3)
-SYSCALL(sys_ni_syscall, 0)
-SYSCALL(sys_statfs, 2)
-SYSCALL(sys_fstatfs, 2) /* 100 */
-SYSCALL(sys_ni_syscall, 3)
-SYSCALL(sys_ni_syscall, 2)
-SYSCALL(sys_syslog, 3)
-SYSCALL(sys_setitimer, 3)
-SYSCALL(sys_getitimer, 2) /* 105 */
-SYSCALL(sys_newstat, 2)
-SYSCALL(sys_newlstat, 2)
-SYSCALL(sys_newfstat, 2)
-SYSCALL(sys_uname, 1)
-SYSCALL(sys_ni_syscall, 0) /* 110 */
-SYSCALL(sys_vhangup, 0)
-SYSCALL(sys_ni_syscall, 0)
-SYSCALL(sys_ni_syscall, 0)
-SYSCALL(sys_wait4, 4)
-SYSCALL(sys_swapoff, 1) /* 115 */
-SYSCALL(sys_sysinfo, 1)
-SYSCALL(sys_ni_syscall, 0)
-SYSCALL(sys_fsync, 1)
-SYSCALL(sys_sigreturn, 0)
-SYSCALL(sys_clone, 0) /* 120 */
-SYSCALL(sys_setdomainname, 2)
-SYSCALL(sys_newuname, 1)
-SYSCALL(sys_ni_syscall, 0)
-SYSCALL(sys_adjtimex, 1)
-SYSCALL(sys_mprotect, 3) /* 125 */
-SYSCALL(sys_ni_syscall, 3)
-SYSCALL(sys_ni_syscall, 2)
-SYSCALL(sys_init_module, 2)
-SYSCALL(sys_delete_module, 1)
-SYSCALL(sys_ni_syscall, 1) /* 130 */
-SYSCALL(sys_quotactl, 0)
-SYSCALL(sys_getpgid, 1)
-SYSCALL(sys_fchdir, 1)
-SYSCALL(sys_bdflush, 2)
-SYSCALL(sys_sysfs, 3) /* 135 */
-SYSCALL(sys_personality, 1)
-SYSCALL(sys_ni_syscall, 0)
-SYSCALL(sys_setfsuid, 1)
-SYSCALL(sys_setfsgid, 1)
-SYSCALL(sys_llseek, 5) /* 140 */
-SYSCALL(sys_getdents, 3)
-SYSCALL(sys_select, 5)
-SYSCALL(sys_flock, 2)
-SYSCALL(sys_msync, 3)
-SYSCALL(sys_readv, 3) /* 145 */
-SYSCALL(sys_writev, 3)
-SYSCALL(sys_ni_syscall, 3)
-SYSCALL(sys_ni_syscall, 3)
-SYSCALL(sys_ni_syscall, 4) /* handled in fast syscall handler. */
-SYSCALL(sys_ni_syscall, 0) /* 150 */
-SYSCALL(sys_getsid, 1)
-SYSCALL(sys_fdatasync, 1)
-SYSCALL(sys_sysctl, 1)
-SYSCALL(sys_mlock, 2)
-SYSCALL(sys_munlock, 2) /* 155 */
-SYSCALL(sys_mlockall, 1)
-SYSCALL(sys_munlockall, 0)
-SYSCALL(sys_sched_setparam,2)
-SYSCALL(sys_sched_getparam,2)
-SYSCALL(sys_sched_setscheduler,3) /* 160 */
-SYSCALL(sys_sched_getscheduler,1)
-SYSCALL(sys_sched_yield,0)
-SYSCALL(sys_sched_get_priority_max,1)
-SYSCALL(sys_sched_get_priority_min,1)
-SYSCALL(sys_sched_rr_get_interval,2) /* 165 */
-SYSCALL(sys_nanosleep,2)
-SYSCALL(sys_mremap,4)
-SYSCALL(sys_accept, 3)
-SYSCALL(sys_bind, 3)
-SYSCALL(sys_connect, 3) /* 170 */
-SYSCALL(sys_getpeername, 3)
-SYSCALL(sys_getsockname, 3)
-SYSCALL(sys_getsockopt, 5)
-SYSCALL(sys_listen, 2)
-SYSCALL(sys_recv, 4) /* 175 */
-SYSCALL(sys_recvfrom, 6)
-SYSCALL(sys_recvmsg, 3)
-SYSCALL(sys_send, 4)
-SYSCALL(sys_sendmsg, 3)
-SYSCALL(sys_sendto, 6) /* 180 */
-SYSCALL(sys_setsockopt, 5)
-SYSCALL(sys_shutdown, 2)
-SYSCALL(sys_socket, 3)
-SYSCALL(sys_socketpair, 4)
-SYSCALL(sys_setresuid, 3) /* 185 */
-SYSCALL(sys_getresuid, 3)
-SYSCALL(sys_ni_syscall, 5)
-SYSCALL(sys_poll, 3)
-SYSCALL(sys_nfsservctl, 3)
-SYSCALL(sys_setresgid, 3) /* 190 */
-SYSCALL(sys_getresgid, 3)
-SYSCALL(sys_prctl, 5)
-SYSCALL(sys_rt_sigreturn, 0)
-SYSCALL(sys_rt_sigaction, 4)
-SYSCALL(sys_rt_sigprocmask, 4) /* 195 */
-SYSCALL(sys_rt_sigpending, 2)
-SYSCALL(sys_rt_sigtimedwait, 4)
-SYSCALL(sys_rt_sigqueueinfo, 3)
-SYSCALL(sys_rt_sigsuspend, 0)
-SYSCALL(sys_pread64, 5) /* 200 */
-SYSCALL(sys_pwrite64, 5)
-SYSCALL(sys_chown, 3)
-SYSCALL(sys_getcwd, 2)
-SYSCALL(sys_capget, 2)
-SYSCALL(sys_capset, 2) /* 205 */
-SYSCALL(sys_sigaltstack, 0)
-SYSCALL(sys_sendfile, 4)
-SYSCALL(sys_ni_syscall, 0)
-SYSCALL(sys_ni_syscall, 0)
-SYSCALL(sys_mmap, 6) /* 210 */
-SYSCALL(sys_truncate64, 2)
-SYSCALL(sys_ftruncate64, 2)
-SYSCALL(sys_stat64, 2)
-SYSCALL(sys_lstat64, 2)
-SYSCALL(sys_fstat64, 2) /* 215 */
-SYSCALL(sys_pivot_root, 2)
-SYSCALL(sys_mincore, 3)
-SYSCALL(sys_madvise, 3)
-SYSCALL(sys_getdents64, 3)
-SYSCALL(sys_ni_syscall, 0) /* 220 */
diff --git a/include/asm-xtensa/fcntl.h b/include/asm-xtensa/fcntl.h
index ec066ae96ca..0609fc691b7 100644
--- a/include/asm-xtensa/fcntl.h
+++ b/include/asm-xtensa/fcntl.h
@@ -14,48 +14,86 @@
/* open/fcntl - O_SYNC is only implemented on blocks devices and on files
located on an ext2 file system */
-#define O_APPEND 0x0008
-#define O_SYNC 0x0010
-#define O_NONBLOCK 0x0080
-#define O_CREAT 0x0100 /* not fcntl */
-#define O_EXCL 0x0400 /* not fcntl */
-#define O_NOCTTY 0x0800 /* not fcntl */
-#define FASYNC 0x1000 /* fcntl, for BSD compatibility */
-#define O_LARGEFILE 0x2000 /* allow large file opens - currently ignored */
-#define O_DIRECT 0x8000 /* direct disk access hint - currently ignored*/
-#define O_NOATIME 0x100000
-
-#define F_GETLK 14
-#define F_GETLK64 15
+#define O_ACCMODE 0003
+#define O_RDONLY 00
+#define O_WRONLY 01
+#define O_RDWR 02
+#define O_CREAT 0100 /* not fcntl */
+#define O_EXCL 0200 /* not fcntl */
+#define O_NOCTTY 0400 /* not fcntl */
+#define O_TRUNC 01000 /* not fcntl */
+#define O_APPEND 02000
+#define O_NONBLOCK 04000
+#define O_NDELAY O_NONBLOCK
+#define O_SYNC 010000
+#define FASYNC 020000 /* fcntl, for BSD compatibility */
+#define O_DIRECT 040000 /* direct disk access hint */
+#define O_LARGEFILE 0100000
+#define O_DIRECTORY 0200000 /* must be a directory */
+#define O_NOFOLLOW 0400000 /* don't follow links */
+#define O_NOATIME 01000000
+
+#define F_DUPFD 0 /* dup */
+#define F_GETFD 1 /* get close_on_exec */
+#define F_SETFD 2 /* set/clear close_on_exec */
+#define F_GETFL 3 /* get file->f_flags */
+#define F_SETFL 4 /* set file->f_flags */
+#define F_GETLK 5
#define F_SETLK 6
#define F_SETLKW 7
-#define F_SETLK64 16
-#define F_SETLKW64 17
-#define F_SETOWN 24 /* for sockets. */
-#define F_GETOWN 23 /* for sockets. */
+#define F_SETOWN 8 /* for sockets. */
+#define F_GETOWN 9 /* for sockets. */
+#define F_SETSIG 10 /* for sockets. */
+#define F_GETSIG 11 /* for sockets. */
+
+#define F_GETLK64 12 /* using 'struct flock64' */
+#define F_SETLK64 13
+#define F_SETLKW64 14
+
+/* for F_[GET|SET]FL */
+#define FD_CLOEXEC 1 /* actually anything with low bit set goes */
+
+/* for posix fcntl() and lockf() */
+#define F_RDLCK 0
+#define F_WRLCK 1
+#define F_UNLCK 2
+
+/* for old implementation of bsd flock () */
+#define F_EXLCK 4 /* or 3 */
+#define F_SHLCK 8 /* or 4 */
-typedef struct flock {
+/* for leases */
+#define F_INPROGRESS 16
+
+/* operations for bsd flock(), also used by the kernel implementation */
+#define LOCK_SH 1 /* shared lock */
+#define LOCK_EX 2 /* exclusive lock */
+#define LOCK_NB 4 /* or'd with one of the above to prevent
+ blocking */
+#define LOCK_UN 8 /* remove lock */
+
+#define LOCK_MAND 32 /* This is a mandatory flock */
+#define LOCK_READ 64 /* ... Which allows concurrent read operations */
+#define LOCK_WRITE 128 /* ... Which allows concurrent write operations */
+#define LOCK_RW 192 /* ... Which allows concurrent read & write ops */
+
+struct flock {
short l_type;
short l_whence;
- __kernel_off_t l_start;
- __kernel_off_t l_len;
- long l_sysid;
- __kernel_pid_t l_pid;
- long pad[4];
-} flock_t;
+ off_t l_start;
+ off_t l_len;
+ pid_t l_pid;
+};
struct flock64 {
short l_type;
short l_whence;
- __kernel_off_t l_start;
- __kernel_off_t l_len;
+ loff_t l_start;
+ loff_t l_len;
pid_t l_pid;
};
-#define HAVE_ARCH_STRUCT_FLOCK
-#define HAVE_ARCH_STRUCT_FLOCK64
-
-#include <asm-generic/fcntl.h>
+#define F_LINUX_SPECIFIC_BASE 1024
#endif /* _XTENSA_FCNTL_H */
diff --git a/include/asm-xtensa/posix_types.h b/include/asm-xtensa/posix_types.h
index 2c816b0e776..3470b44c12c 100644
--- a/include/asm-xtensa/posix_types.h
+++ b/include/asm-xtensa/posix_types.h
@@ -21,7 +21,7 @@
typedef unsigned long __kernel_ino_t;
typedef unsigned int __kernel_mode_t;
-typedef unsigned short __kernel_nlink_t;
+typedef unsigned long __kernel_nlink_t;
typedef long __kernel_off_t;
typedef int __kernel_pid_t;
typedef unsigned short __kernel_ipc_pid_t;
diff --git a/include/asm-xtensa/shmbuf.h b/include/asm-xtensa/shmbuf.h
index a30b81a4b93..ad4b0121782 100644
--- a/include/asm-xtensa/shmbuf.h
+++ b/include/asm-xtensa/shmbuf.h
@@ -19,6 +19,7 @@
#ifndef _XTENSA_SHMBUF_H
#define _XTENSA_SHMBUF_H
+#if defined (__XTENSA_EL__)
struct shmid64_ds {
struct ipc64_perm shm_perm; /* operation perms */
size_t shm_segsz; /* size of segment (bytes) */
@@ -34,6 +35,26 @@ struct shmid64_ds {
unsigned long __unused4;
unsigned long __unused5;
};
+#elif defined (__XTENSA_EB__)
+struct shmid64_ds {
+ struct ipc64_perm shm_perm; /* operation perms */
+ size_t shm_segsz; /* size of segment (bytes) */
+ __kernel_time_t shm_atime; /* last attach time */
+ unsigned long __unused1;
+ __kernel_time_t shm_dtime; /* last detach time */
+ unsigned long __unused2;
+ __kernel_time_t shm_ctime; /* last change time */
+ unsigned long __unused3;
+ __kernel_pid_t shm_cpid; /* pid of creator */
+ __kernel_pid_t shm_lpid; /* pid of last operator */
+ unsigned long shm_nattch; /* no. of current attaches */
+ unsigned long __unused4;
+ unsigned long __unused5;
+};
+#else
+# error endian order not defined
+#endif
+
struct shminfo64 {
unsigned long shmmax;
diff --git a/include/asm-xtensa/stat.h b/include/asm-xtensa/stat.h
index 2f4662ff6c3..149f4bce092 100644
--- a/include/asm-xtensa/stat.h
+++ b/include/asm-xtensa/stat.h
@@ -13,93 +13,57 @@
#include <linux/types.h>
-struct __old_kernel_stat {
- unsigned short st_dev;
- unsigned short st_ino;
- unsigned short st_mode;
- unsigned short st_nlink;
- unsigned short st_uid;
- unsigned short st_gid;
- unsigned short st_rdev;
- unsigned long st_size;
- unsigned long st_atime;
- unsigned long st_mtime;
- unsigned long st_ctime;
-};
-
#define STAT_HAVE_NSEC 1
struct stat {
- unsigned short st_dev;
- unsigned short __pad1;
- unsigned long st_ino;
- unsigned short st_mode;
- unsigned short st_nlink;
- unsigned short st_uid;
- unsigned short st_gid;
- unsigned short st_rdev;
- unsigned short __pad2;
- unsigned long st_size;
- unsigned long st_blksize;
- unsigned long st_blocks;
- unsigned long st_atime;
- unsigned long st_atime_nsec;
- unsigned long st_mtime;
- unsigned long st_mtime_nsec;
- unsigned long st_ctime;
- unsigned long st_ctime_nsec;
- unsigned long __unused4;
- unsigned long __unused5;
+ unsigned long st_dev;
+ ino_t st_ino;
+ mode_t st_mode;
+ nlink_t st_nlink;
+ uid_t st_uid;
+ gid_t st_gid;
+ unsigned int st_rdev;
+ off_t st_size;
+ unsigned long st_blksize;
+ unsigned long st_blocks;
+ unsigned long st_atime;
+ unsigned long st_atime_nsec;
+ unsigned long st_mtime;
+ unsigned long st_mtime_nsec;
+ unsigned long st_ctime;
+ unsigned long st_ctime_nsec;
+ unsigned long __unused4;
+ unsigned long __unused5;
};
-/* This matches struct stat64 in glibc-2.2.3. */
+/* This matches struct stat64 in glibc-2.3 */
struct stat64 {
-#ifdef __XTENSA_EL__
- unsigned short st_dev; /* Device */
- unsigned char __pad0[10];
-#else
- unsigned char __pad0[6];
- unsigned short st_dev;
- unsigned char __pad1[2];
-#endif
-
-#define STAT64_HAS_BROKEN_ST_INO 1
- unsigned long __st_ino; /* 32bit file serial number. */
-
+ unsigned long long st_dev; /* Device */
+ unsigned long long st_ino; /* File serial number */
unsigned int st_mode; /* File mode. */
unsigned int st_nlink; /* Link count. */
unsigned int st_uid; /* User ID of the file's owner. */
unsigned int st_gid; /* Group ID of the file's group. */
-
-#ifdef __XTENSA_EL__
- unsigned short st_rdev; /* Device number, if device. */
- unsigned char __pad3[10];
-#else
- unsigned char __pad2[6];
- unsigned short st_rdev;
- unsigned char __pad3[2];
-#endif
-
- long long int st_size; /* Size of file, in bytes. */
- long int st_blksize; /* Optimal block size for I/O. */
-
-#ifdef __XTENSA_EL__
- unsigned long st_blocks; /* Number 512-byte blocks allocated. */
- unsigned long __pad4;
+ unsigned long long st_rdev; /* Device number, if device. */
+ long long st_size; /* Size of file, in bytes. */
+ long st_blksize; /* Optimal block size for I/O. */
+ unsigned long __unused2;
+#ifdef __XTENSA_EB__
+ unsigned long __unused3;
+ long st_blocks; /* Number 512-byte blocks allocated. */
#else
- unsigned long __pad4;
- unsigned long st_blocks;
+ long st_blocks; /* Number 512-byte blocks allocated. */
+ unsigned long __unused3;
#endif
-
- unsigned long __pad5;
- long int st_atime; /* Time of last access. */
- unsigned long st_atime_nsec;
- long int st_mtime; /* Time of last modification. */
- unsigned long st_mtime_nsec;
- long int st_ctime; /* Time of last status change. */
- unsigned long st_ctime_nsec;
- unsigned long long int st_ino; /* File serial number. */
+ long st_atime; /* Time of last access. */
+ unsigned long st_atime_nsec;
+ long st_mtime; /* Time of last modification. */
+ unsigned long st_mtime_nsec;
+ long st_ctime; /* Time of last status change. */
+ unsigned long st_ctime_nsec;
+ unsigned long __unused4;
+ unsigned long __unused5;
};
#endif /* _XTENSA_STAT_H */
diff --git a/include/asm-xtensa/syscall.h b/include/asm-xtensa/syscall.h
new file mode 100644
index 00000000000..6cb0d42f11c
--- /dev/null
+++ b/include/asm-xtensa/syscall.h
@@ -0,0 +1,20 @@
+struct pt_regs;
+struct sigaction;
+asmlinkage long xtensa_execve(char*, char**, char**, struct pt_regs*);
+asmlinkage long xtensa_clone(unsigned long, unsigned long, struct pt_regs*);
+asmlinkage long xtensa_pipe(int __user *);
+asmlinkage long xtensa_mmap2(unsigned long, unsigned long, unsigned long,
+ unsigned long, unsigned long, unsigned long);
+asmlinkage long xtensa_ptrace(long, long, long, long);
+asmlinkage long xtensa_sigreturn(struct pt_regs*);
+asmlinkage long xtensa_rt_sigreturn(struct pt_regs*);
+asmlinkage long xtensa_sigsuspend(struct pt_regs*);
+asmlinkage long xtensa_rt_sigsuspend(struct pt_regs*);
+asmlinkage long xtensa_sigaction(int, const struct old_sigaction*,
+ struct old_sigaction*);
+asmlinkage long xtensa_sigaltstack(struct pt_regs *regs);
+asmlinkage long sys_rt_sigaction(int,
+ const struct sigaction __user *,
+ struct sigaction __user *,
+ size_t);
+asmlinkage long xtensa_shmat(int shmid, char __user *shmaddr, int shmflg);
diff --git a/include/asm-xtensa/unistd.h b/include/asm-xtensa/unistd.h
index 15b0932523d..8a7fb6964ce 100644
--- a/include/asm-xtensa/unistd.h
+++ b/include/asm-xtensa/unistd.h
@@ -11,212 +11,591 @@
#ifndef _XTENSA_UNISTD_H
#define _XTENSA_UNISTD_H
-#define __NR_spill 0
-#define __NR_exit 1
-#define __NR_read 3
-#define __NR_write 4
-#define __NR_open 5
-#define __NR_close 6
-#define __NR_creat 8
-#define __NR_link 9
-#define __NR_unlink 10
-#define __NR_execve 11
-#define __NR_chdir 12
-#define __NR_mknod 14
-#define __NR_chmod 15
-#define __NR_lchown 16
-#define __NR_break 17
-#define __NR_lseek 19
-#define __NR_getpid 20
-#define __NR_mount 21
-#define __NR_setuid 23
-#define __NR_getuid 24
-#define __NR_ptrace 26
-#define __NR_utime 30
-#define __NR_stty 31
-#define __NR_gtty 32
-#define __NR_access 33
-#define __NR_ftime 35
-#define __NR_sync 36
-#define __NR_kill 37
-#define __NR_rename 38
-#define __NR_mkdir 39
-#define __NR_rmdir 40
-#define __NR_dup 41
-#define __NR_pipe 42
-#define __NR_times 43
-#define __NR_prof 44
-#define __NR_brk 45
-#define __NR_setgid 46
-#define __NR_getgid 47
-#define __NR_signal 48
-#define __NR_geteuid 49
-#define __NR_getegid 50
-#define __NR_acct 51
-#define __NR_lock 53
-#define __NR_ioctl 54
-#define __NR_fcntl 55
-#define __NR_setpgid 57
-#define __NR_ulimit 58
-#define __NR_umask 60
-#define __NR_chroot 61
-#define __NR_ustat 62
-#define __NR_dup2 63
-#define __NR_getppid 64
-#define __NR_setsid 66
-#define __NR_sigaction 67
-#define __NR_setreuid 70
-#define __NR_setregid 71
-#define __NR_sigsuspend 72
-#define __NR_sigpending 73
-#define __NR_sethostname 74
-#define __NR_setrlimit 75
-#define __NR_getrlimit 76 /* Back compatible 2Gig limited rlimit */
-#define __NR_getrusage 77
-#define __NR_gettimeofday 78
-#define __NR_settimeofday 79
-#define __NR_getgroups 80
-#define __NR_setgroups 81
-#define __NR_select 82
-#define __NR_symlink 83
-#define __NR_readlink 85
-#define __NR_uselib 86
-#define __NR_swapon 87
-#define __NR_reboot 88
-#define __NR_munmap 91
-#define __NR_truncate 92
-#define __NR_ftruncate 93
-#define __NR_fchmod 94
-#define __NR_fchown 95
-#define __NR_getpriority 96
-#define __NR_setpriority 97
-#define __NR_profil 98
-#define __NR_statfs 99
-#define __NR_fstatfs 100
-#define __NR_ioperm 101
-#define __NR_syslog 103
-#define __NR_setitimer 104
-#define __NR_getitimer 105
-#define __NR_stat 106
-#define __NR_lstat 107
-#define __NR_fstat 108
-#define __NR_iopl 110
-#define __NR_vhangup 111
-#define __NR_idle 112
-#define __NR_wait4 114
-#define __NR_swapoff 115
-#define __NR_sysinfo 116
-#define __NR_fsync 118
-#define __NR_sigreturn 119
-#define __NR_clone 120
-#define __NR_setdomainname 121
-#define __NR_uname 122
-#define __NR_modify_ldt 123
-#define __NR_adjtimex 124
-#define __NR_mprotect 125
-#define __NR_create_module 127
-#define __NR_init_module 128
-#define __NR_delete_module 129
-#define __NR_quotactl 131
-#define __NR_getpgid 132
-#define __NR_fchdir 133
-#define __NR_bdflush 134
-#define __NR_sysfs 135
-#define __NR_personality 136
-#define __NR_setfsuid 138
-#define __NR_setfsgid 139
-#define __NR__llseek 140
-#define __NR_getdents 141
-#define __NR__newselect 142
-#define __NR_flock 143
-#define __NR_msync 144
-#define __NR_readv 145
-#define __NR_writev 146
-#define __NR_cacheflush 147
-#define __NR_cachectl 148
-#define __NR_sysxtensa 149
-#define __NR_sysdummy 150
-#define __NR_getsid 151
-#define __NR_fdatasync 152
-#define __NR__sysctl 153
-#define __NR_mlock 154
-#define __NR_munlock 155
-#define __NR_mlockall 156
-#define __NR_munlockall 157
-#define __NR_sched_setparam 158
-#define __NR_sched_getparam 159
-#define __NR_sched_setscheduler 160
-#define __NR_sched_getscheduler 161
-#define __NR_sched_yield 162
-#define __NR_sched_get_priority_max 163
-#define __NR_sched_get_priority_min 164
-#define __NR_sched_rr_get_interval 165
-#define __NR_nanosleep 166
-#define __NR_mremap 167
-#define __NR_accept 168
-#define __NR_bind 169
-#define __NR_connect 170
-#define __NR_getpeername 171
-#define __NR_getsockname 172
-#define __NR_getsockopt 173
-#define __NR_listen 174
-#define __NR_recv 175
-#define __NR_recvfrom 176
-#define __NR_recvmsg 177
-#define __NR_send 178
-#define __NR_sendmsg 179
-#define __NR_sendto 180
-#define __NR_setsockopt 181
-#define __NR_shutdown 182
-#define __NR_socket 183
-#define __NR_socketpair 184
-#define __NR_setresuid 185
-#define __NR_getresuid 186
-#define __NR_query_module 187
-#define __NR_poll 188
-#define __NR_nfsservctl 189
-#define __NR_setresgid 190
-#define __NR_getresgid 191
-#define __NR_prctl 192
-#define __NR_rt_sigreturn 193
-#define __NR_rt_sigaction 194
-#define __NR_rt_sigprocmask 195
-#define __NR_rt_sigpending 196
-#define __NR_rt_sigtimedwait 197
-#define __NR_rt_sigqueueinfo 198
-#define __NR_rt_sigsuspend 199
-#define __NR_pread 200
-#define __NR_pwrite 201
-#define __NR_chown 202
-#define __NR_getcwd 203
-#define __NR_capget 204
-#define __NR_capset 205
-#define __NR_sigaltstack 206
-#define __NR_sendfile 207
-#define __NR_mmap2 210
-#define __NR_truncate64 211
-#define __NR_ftruncate64 212
-#define __NR_stat64 213
-#define __NR_lstat64 214
-#define __NR_fstat64 215
-#define __NR_pivot_root 216
-#define __NR_mincore 217
-#define __NR_madvise 218
-#define __NR_getdents64 219
-
-/* Keep this last; should always equal the last valid call number. */
-#define __NR_Linux_syscalls 220
-
-/* user-visible error numbers are in the range -1 - -125: see
- * <asm-xtensa/errno.h> */
-
-#define SYSXTENSA_RESERVED 0 /* don't use this */
-#define SYSXTENSA_ATOMIC_SET 1 /* set variable */
-#define SYSXTENSA_ATOMIC_EXG_ADD 2 /* exchange memory and add */
-#define SYSXTENSA_ATOMIC_ADD 3 /* add to memory */
-#define SYSXTENSA_ATOMIC_CMP_SWP 4 /* compare and swap */
-
-#define SYSXTENSA_COUNT 5 /* count of syscall0 functions*/
+#ifndef __SYSCALL
+# define __SYSCALL(nr,func,nargs)
+#endif
+
+#define __NR_spill 0
+__SYSCALL( 0, sys_ni_syscall, 0)
+#define __NR_xtensa 1
+__SYSCALL( 1, sys_ni_syscall, 0)
+#define __NR_available4 2
+__SYSCALL( 2, sys_ni_syscall, 0)
+#define __NR_available5 3
+__SYSCALL( 3, sys_ni_syscall, 0)
+#define __NR_available6 4
+__SYSCALL( 4, sys_ni_syscall, 0)
+#define __NR_available7 5
+__SYSCALL( 5, sys_ni_syscall, 0)
+#define __NR_available8 6
+__SYSCALL( 6, sys_ni_syscall, 0)
+#define __NR_available9 7
+__SYSCALL( 7, sys_ni_syscall, 0)
+
+/* File Operations */
+
+#define __NR_open 8
+__SYSCALL( 8, sys_open, 3)
+#define __NR_close 9
+__SYSCALL( 9, sys_close, 1)
+#define __NR_dup 10
+__SYSCALL( 10, sys_dup, 1)
+#define __NR_dup2 11
+__SYSCALL( 11, sys_dup2, 2)
+#define __NR_read 12
+__SYSCALL( 12, sys_read, 3)
+#define __NR_write 13
+__SYSCALL( 13, sys_write, 3)
+#define __NR_select 14
+__SYSCALL( 14, sys_select, 5)
+#define __NR_lseek 15
+__SYSCALL( 15, sys_lseek, 3)
+#define __NR_poll 16
+__SYSCALL( 16, sys_poll, 3)
+#define __NR__llseek 17
+__SYSCALL( 17, sys_llseek, 5)
+#define __NR_epoll_wait 18
+__SYSCALL( 18, sys_epoll_wait, 4)
+#define __NR_epoll_ctl 19
+__SYSCALL( 19, sys_epoll_ctl, 4)
+#define __NR_epoll_create 20
+__SYSCALL( 20, sys_epoll_create, 1)
+#define __NR_creat 21
+__SYSCALL( 21, sys_creat, 2)
+#define __NR_truncate 22
+__SYSCALL( 22, sys_truncate, 2)
+#define __NR_ftruncate 23
+__SYSCALL( 23, sys_ftruncate, 2)
+#define __NR_readv 24
+__SYSCALL( 24, sys_readv, 3)
+#define __NR_writev 25
+__SYSCALL( 25, sys_writev, 3)
+#define __NR_fsync 26
+__SYSCALL( 26, sys_fsync, 1)
+#define __NR_fdatasync 27
+__SYSCALL( 27, sys_fdatasync, 1)
+#define __NR_truncate64 28
+__SYSCALL( 28, sys_truncate64, 2)
+#define __NR_ftruncate64 29
+__SYSCALL( 29, sys_ftruncate64, 2)
+#define __NR_pread64 30
+__SYSCALL( 30, sys_pread64, 6)
+#define __NR_pwrite64 31
+__SYSCALL( 31, sys_pwrite64, 6)
+
+#define __NR_link 32
+__SYSCALL( 32, sys_link, 2)
+#define __NR_rename 33
+__SYSCALL( 33, sys_rename, 2)
+#define __NR_symlink 34
+__SYSCALL( 34, sys_symlink, 2)
+#define __NR_readlink 35
+__SYSCALL( 35, sys_readlink, 3)
+#define __NR_mknod 36
+__SYSCALL( 36, sys_mknod, 3)
+#define __NR_pipe 37
+__SYSCALL( 37, xtensa_pipe, 1)
+#define __NR_unlink 38
+__SYSCALL( 38, sys_unlink, 1)
+#define __NR_rmdir 39
+__SYSCALL( 39, sys_rmdir, 1)
+
+#define __NR_mkdir 40
+__SYSCALL( 40, sys_mkdir, 2)
+#define __NR_chdir 41
+__SYSCALL( 41, sys_chdir, 1)
+#define __NR_fchdir 42
+__SYSCALL( 42, sys_fchdir, 1)
+#define __NR_getcwd 43
+__SYSCALL( 43, sys_getcwd, 2)
+
+#define __NR_chmod 44
+__SYSCALL( 44, sys_chmod, 2)
+#define __NR_chown 45
+__SYSCALL( 45, sys_chown, 3)
+#define __NR_stat 46
+__SYSCALL( 46, sys_newstat, 2)
+#define __NR_stat64 47
+__SYSCALL( 47, sys_stat64, 2)
+
+#define __NR_lchown 48
+__SYSCALL( 48, sys_lchown, 3)
+#define __NR_lstat 49
+__SYSCALL( 49, sys_newlstat, 2)
+#define __NR_lstat64 50
+__SYSCALL( 50, sys_lstat64, 2)
+#define __NR_available51 51
+__SYSCALL( 51, sys_ni_syscall, 0)
+
+#define __NR_fchmod 52
+__SYSCALL( 52, sys_fchmod, 2)
+#define __NR_fchown 53
+__SYSCALL( 53, sys_fchown, 3)
+#define __NR_fstat 54
+__SYSCALL( 54, sys_newfstat, 2)
+#define __NR_fstat64 55
+__SYSCALL( 55, sys_fstat64, 2)
+
+#define __NR_flock 56
+__SYSCALL( 56, sys_flock, 2)
+#define __NR_access 57
+__SYSCALL( 57, sys_access, 2)
+#define __NR_umask 58
+__SYSCALL( 58, sys_umask, 1)
+#define __NR_getdents 59
+__SYSCALL( 59, sys_getdents, 3)
+#define __NR_getdents64 60
+__SYSCALL( 60, sys_getdents64, 3)
+#define __NR_fcntl64 61
+__SYSCALL( 61, sys_fcntl64, 3)
+#define __NR_available62 62
+__SYSCALL( 62, sys_ni_syscall, 0)
+#define __NR_fadvise64_64 63
+__SYSCALL( 63, sys_fadvise64_64, 6)
+#define __NR_utime 64 /* glibc 2.3.3 ?? */
+__SYSCALL( 64, sys_utime, 2)
+#define __NR_utimes 65
+__SYSCALL( 65, sys_utimes, 2)
+#define __NR_ioctl 66
+__SYSCALL( 66, sys_ioctl, 3)
+#define __NR_fcntl 67
+__SYSCALL( 67, sys_fcntl, 3)
+
+#define __NR_setxattr 68
+__SYSCALL( 68, sys_setxattr, 5)
+#define __NR_getxattr 69
+__SYSCALL( 69, sys_getxattr, 4)
+#define __NR_listxattr 70
+__SYSCALL( 70, sys_listxattr, 3)
+#define __NR_removexattr 71
+__SYSCALL( 71, sys_removexattr, 2)
+#define __NR_lsetxattr 72
+__SYSCALL( 72, sys_lsetxattr, 5)
+#define __NR_lgetxattr 73
+__SYSCALL( 73, sys_lgetxattr, 4)
+#define __NR_llistxattr 74
+__SYSCALL( 74, sys_llistxattr, 3)
+#define __NR_lremovexattr 75
+__SYSCALL( 75, sys_lremovexattr, 2)
+#define __NR_fsetxattr 76
+__SYSCALL( 76, sys_fsetxattr, 5)
+#define __NR_fgetxattr 77
+__SYSCALL( 77, sys_fgetxattr, 4)
+#define __NR_flistxattr 78
+__SYSCALL( 78, sys_flistxattr, 3)
+#define __NR_fremovexattr 79
+__SYSCALL( 79, sys_fremovexattr, 2)
+
+/* File Map / Shared Memory Operations */
+
+#define __NR_mmap2 80
+__SYSCALL( 80, xtensa_mmap2, 6)
+#define __NR_munmap 81
+__SYSCALL( 81, sys_munmap, 2)
+#define __NR_mprotect 82
+__SYSCALL( 82, sys_mprotect, 3)
+#define __NR_brk 83
+__SYSCALL( 83, sys_brk, 1)
+#define __NR_mlock 84
+__SYSCALL( 84, sys_mlock, 2)
+#define __NR_munlock 85
+__SYSCALL( 85, sys_munlock, 2)
+#define __NR_mlockall 86
+__SYSCALL( 86, sys_mlockall, 1)
+#define __NR_munlockall 87
+__SYSCALL( 87, sys_munlockall, 0)
+#define __NR_mremap 88
+__SYSCALL( 88, sys_mremap, 4)
+#define __NR_msync 89
+__SYSCALL( 89, sys_msync, 3)
+#define __NR_mincore 90
+__SYSCALL( 90, sys_mincore, 3)
+#define __NR_madvise 91
+__SYSCALL( 91, sys_madvise, 3)
+#define __NR_shmget 92
+__SYSCALL( 92, sys_shmget, 4)
+#define __NR_shmat 93
+__SYSCALL( 93, xtensa_shmat, 4)
+#define __NR_shmctl 94
+__SYSCALL( 94, sys_shmctl, 4)
+#define __NR_shmdt 95
+__SYSCALL( 95, sys_shmdt, 4)
+
+/* Socket Operations */
+
+#define __NR_socket 96
+__SYSCALL( 96, sys_socket, 3)
+#define __NR_setsockopt 97
+__SYSCALL( 97, sys_setsockopt, 5)
+#define __NR_getsockopt 98
+__SYSCALL( 98, sys_getsockopt, 5)
+#define __NR_shutdown 99
+__SYSCALL( 99, sys_shutdown, 2)
+
+#define __NR_bind 100
+__SYSCALL(100, sys_bind, 3)
+#define __NR_connect 101
+__SYSCALL(101, sys_connect, 3)
+#define __NR_listen 102
+__SYSCALL(102, sys_listen, 2)
+#define __NR_accept 103
+__SYSCALL(103, sys_accept, 3)
+
+#define __NR_getsockname 104
+__SYSCALL(104, sys_getsockname, 3)
+#define __NR_getpeername 105
+__SYSCALL(105, sys_getpeername, 3)
+#define __NR_sendmsg 106
+__SYSCALL(106, sys_sendmsg, 3)
+#define __NR_recvmsg 107
+__SYSCALL(107, sys_recvmsg, 3)
+#define __NR_send 108
+__SYSCALL(108, sys_send, 4)
+#define __NR_recv 109
+__SYSCALL(109, sys_recv, 4)
+#define __NR_sendto 110
+__SYSCALL(110, sys_sendto, 6)
+#define __NR_recvfrom 111
+__SYSCALL(111, sys_recvfrom, 6)
+
+#define __NR_socketpair 112
+__SYSCALL(112, sys_socketpair, 4)
+#define __NR_sendfile 113
+__SYSCALL(113, sys_sendfile, 4)
+#define __NR_sendfile64 114
+__SYSCALL(114, sys_sendfile64, 4)
+#define __NR_available115 115
+__SYSCALL(115, sys_ni_syscall, 0)
+
+/* Process Operations */
+
+#define __NR_clone 116
+__SYSCALL(116, xtensa_clone, 5)
+#define __NR_execve 117
+__SYSCALL(117, xtensa_execve, 3)
+#define __NR_exit 118
+__SYSCALL(118, sys_exit, 1)
+#define __NR_exit_group 119
+__SYSCALL(119, sys_exit_group, 1)
+#define __NR_getpid 120
+__SYSCALL(120, sys_getpid, 0)
+#define __NR_wait4 121
+__SYSCALL(121, sys_wait4, 4)
+#define __NR_waitid 122
+__SYSCALL(122, sys_waitid, 5)
+#define __NR_kill 123
+__SYSCALL(123, sys_kill, 2)
+#define __NR_tkill 124
+__SYSCALL(124, sys_tkill, 2)
+#define __NR_tgkill 125
+__SYSCALL(125, sys_tgkill, 3)
+#define __NR_set_tid_address 126
+__SYSCALL(126, sys_set_tid_address, 1)
+#define __NR_gettid 127
+__SYSCALL(127, sys_gettid, 0)
+#define __NR_setsid 128
+__SYSCALL(128, sys_setsid, 0)
+#define __NR_getsid 129
+__SYSCALL(129, sys_getsid, 1)
+#define __NR_prctl 130
+__SYSCALL(130, sys_prctl, 5)
+#define __NR_personality 131
+__SYSCALL(131, sys_personality, 1)
+#define __NR_getpriority 132
+__SYSCALL(132, sys_getpriority, 2)
+#define __NR_setpriority 133
+__SYSCALL(133, sys_setpriority, 3)
+#define __NR_setitimer 134
+__SYSCALL(134, sys_setitimer, 3)
+#define __NR_getitimer 135
+__SYSCALL(135, sys_getitimer, 2)
+#define __NR_setuid 136
+__SYSCALL(136, sys_setuid, 1)
+#define __NR_getuid 137
+__SYSCALL(137, sys_getuid, 0)
+#define __NR_setgid 138
+__SYSCALL(138, sys_setgid, 1)
+#define __NR_getgid 139
+__SYSCALL(139, sys_getgid, 0)
+#define __NR_geteuid 140
+__SYSCALL(140, sys_geteuid, 0)
+#define __NR_getegid 141
+__SYSCALL(141, sys_getegid, 0)
+#define __NR_setreuid 142
+__SYSCALL(142, sys_setreuid, 2)
+#define __NR_setregid 143
+__SYSCALL(143, sys_setregid, 2)
+#define __NR_setresuid 144
+__SYSCALL(144, sys_setresuid, 3)
+#define __NR_getresuid 145
+__SYSCALL(145, sys_getresuid, 3)
+#define __NR_setresgid 146
+__SYSCALL(146, sys_setresgid, 3)
+#define __NR_getresgid 147
+__SYSCALL(147, sys_getresgid, 3)
+#define __NR_setpgid 148
+__SYSCALL(148, sys_setpgid, 2)
+#define __NR_getpgid 149
+__SYSCALL(149, sys_getpgid, 1)
+#define __NR_getppid 150
+__SYSCALL(150, sys_getppid, 0)
+#define __NR_available151 151
+__SYSCALL(151, sys_ni_syscall, 0)
+
+#define __NR_reserved152 152 /* set_thread_area */
+__SYSCALL(152, sys_ni_syscall, 0)
+#define __NR_reserved153 153 /* get_thread_area */
+__SYSCALL(153, sys_ni_syscall, 0)
+#define __NR_times 154
+__SYSCALL(154, sys_times, 1)
+#define __NR_acct 155
+__SYSCALL(155, sys_acct, 1)
+#define __NR_sched_setaffinity 156
+__SYSCALL(156, sys_sched_setaffinity, 3)
+#define __NR_sched_getaffinity 157
+__SYSCALL(157, sys_sched_getaffinity, 3)
+#define __NR_capget 158
+__SYSCALL(158, sys_capget, 2)
+#define __NR_capset 159
+__SYSCALL(159, sys_capset, 2)
+#define __NR_ptrace 160
+__SYSCALL(160, sys_ptrace, 4)
+#define __NR_semtimedop 161
+__SYSCALL(161, sys_semtimedop, 5)
+#define __NR_semget 162
+__SYSCALL(162, sys_semget, 4)
+#define __NR_semop 163
+__SYSCALL(163, sys_semop, 4)
+#define __NR_semctl 164
+__SYSCALL(164, sys_semctl, 4)
+#define __NR_available165 165
+__SYSCALL(165, sys_ni_syscall, 0)
+#define __NR_msgget 166
+__SYSCALL(166, sys_msgget, 4)
+#define __NR_msgsnd 167
+__SYSCALL(167, sys_msgsnd, 4)
+#define __NR_msgrcv 168
+__SYSCALL(168, sys_msgrcv, 4)
+#define __NR_msgctl 169
+__SYSCALL(169, sys_msgctl, 4)
+#define __NR_available170 170
+__SYSCALL(170, sys_ni_syscall, 0)
+#define __NR_available171 171
+__SYSCALL(171, sys_ni_syscall, 0)
+
+/* File System */
+
+#define __NR_mount 172
+__SYSCALL(172, sys_mount, 5)
+#define __NR_swapon 173
+__SYSCALL(173, sys_swapon, 2)
+#define __NR_chroot 174
+__SYSCALL(174, sys_chroot, 1)
+#define __NR_pivot_root 175
+__SYSCALL(175, sys_pivot_root, 2)
+#define __NR_umount 176
+__SYSCALL(176, sys_umount, 2)
+#define __NR_swapoff 177
+__SYSCALL(177, sys_swapoff, 1)
+#define __NR_sync 178
+__SYSCALL(178, sys_sync, 0)
+#define __NR_available179 179
+__SYSCALL(179, sys_ni_syscall, 0)
+#define __NR_setfsuid 180
+__SYSCALL(180, sys_setfsuid, 1)
+#define __NR_setfsgid 181
+__SYSCALL(181, sys_setfsgid, 1)
+#define __NR_sysfs 182
+__SYSCALL(182, sys_sysfs, 3)
+#define __NR_ustat 183
+__SYSCALL(183, sys_ustat, 2)
+#define __NR_statfs 184
+__SYSCALL(184, sys_statfs, 2)
+#define __NR_fstatfs 185
+__SYSCALL(185, sys_fstatfs, 2)
+#define __NR_statfs64 186
+__SYSCALL(186, sys_statfs64, 3)
+#define __NR_fstatfs64 187
+__SYSCALL(187, sys_fstatfs64, 3)
+
+/* System */
+
+#define __NR_setrlimit 188
+__SYSCALL(188, sys_setrlimit, 2)
+#define __NR_getrlimit 189
+__SYSCALL(189, sys_getrlimit, 2)
+#define __NR_getrusage 190
+__SYSCALL(190, sys_getrusage, 2)
+#define __NR_futex 191
+__SYSCALL(191, sys_futex, 5)
+#define __NR_gettimeofday 192
+__SYSCALL(192, sys_gettimeofday, 2)
+#define __NR_settimeofday 193
+__SYSCALL(193, sys_settimeofday, 2)
+#define __NR_adjtimex 194
+__SYSCALL(194, sys_adjtimex, 1)
+#define __NR_nanosleep 195
+__SYSCALL(195, sys_nanosleep, 2)
+#define __NR_getgroups 196
+__SYSCALL(196, sys_getgroups, 2)
+#define __NR_setgroups 197
+__SYSCALL(197, sys_setgroups, 2)
+#define __NR_sethostname 198
+__SYSCALL(198, sys_sethostname, 2)
+#define __NR_setdomainname 199
+__SYSCALL(199, sys_setdomainname, 2)
+#define __NR_syslog 200
+__SYSCALL(200, sys_syslog, 3)
+#define __NR_vhangup 201
+__SYSCALL(201, sys_vhangup, 0)
+#define __NR_uselib 202
+__SYSCALL(202, sys_uselib, 1)
+#define __NR_reboot 203
+__SYSCALL(203, sys_reboot, 3)
+#define __NR_quotactl 204
+__SYSCALL(204, sys_quotactl, 4)
+#define __NR_nfsservctl 205
+__SYSCALL(205, sys_nfsservctl, 3)
+#define __NR__sysctl 206
+__SYSCALL(206, sys_sysctl, 1)
+#define __NR_bdflush 207
+__SYSCALL(207, sys_bdflush, 2)
+#define __NR_uname 208
+__SYSCALL(208, sys_newuname, 1)
+#define __NR_sysinfo 209
+__SYSCALL(209, sys_sysinfo, 1)
+#define __NR_init_module 210
+__SYSCALL(210, sys_init_module, 2)
+#define __NR_delete_module 211
+__SYSCALL(211, sys_delete_module, 1)
+
+#define __NR_sched_setparam 212
+__SYSCALL(212, sys_sched_setparam, 2)
+#define __NR_sched_getparam 213
+__SYSCALL(213, sys_sched_getparam, 2)
+#define __NR_sched_setscheduler 214
+__SYSCALL(214, sys_sched_setscheduler, 3)
+#define __NR_sched_getscheduler 215
+__SYSCALL(215, sys_sched_getscheduler, 1)
+#define __NR_sched_get_priority_max 216
+__SYSCALL(216, sys_sched_get_priority_max, 1)
+#define __NR_sched_get_priority_min 217
+__SYSCALL(217, sys_sched_get_priority_min, 1)
+#define __NR_sched_rr_get_interval 218
+__SYSCALL(218, sys_sched_rr_get_interval, 2)
+#define __NR_sched_yield 219
+__SYSCALL(219, sys_sched_yield, 0)
+#define __NR_sigreturn 222
+__SYSCALL(222, xtensa_sigreturn, 0)
+
+/* Signal Handling */
+
+#define __NR_restart_syscall 223
+__SYSCALL(223, sys_restart_syscall, 0)
+#define __NR_sigaltstack 224
+__SYSCALL(224, xtensa_sigaltstack, 2)
+#define __NR_rt_sigreturn 225
+__SYSCALL(225, xtensa_rt_sigreturn, 1)
+#define __NR_rt_sigaction 226
+__SYSCALL(226, sys_rt_sigaction, 4)
+#define __NR_rt_sigprocmask 227
+__SYSCALL(227, sys_rt_sigprocmask, 4)
+#define __NR_rt_sigpending 228
+__SYSCALL(228, sys_rt_sigpending, 2)
+#define __NR_rt_sigtimedwait 229
+__SYSCALL(229, sys_rt_sigtimedwait, 4)
+#define __NR_rt_sigqueueinfo 230
+__SYSCALL(230, sys_rt_sigqueueinfo, 3)
+#define __NR_rt_sigsuspend 231
+__SYSCALL(231, xtensa_rt_sigsuspend, 2)
+
+/* Message */
+
+#define __NR_mq_open 232
+__SYSCALL(232, sys_mq_open, 4)
+#define __NR_mq_unlink 233
+__SYSCALL(233, sys_mq_unlink, 1)
+#define __NR_mq_timedsend 234
+__SYSCALL(234, sys_mq_timedsend, 5)
+#define __NR_mq_timedreceive 235
+__SYSCALL(235, sys_mq_timedreceive, 5)
+#define __NR_mq_notify 236
+__SYSCALL(236, sys_mq_notify, 2)
+#define __NR_mq_getsetattr 237
+__SYSCALL(237, sys_mq_getsetattr, 3)
+#define __NR_available238 238
+__SYSCALL(238, sys_ni_syscall, 0)
+
+/* IO */
+
+#define __NR_io_setup 239
+__SYSCALL(239, sys_io_setup, 2)
+#define __NR_io_destroy 240
+__SYSCALL(240, sys_io_destroy, 1)
+#define __NR_io_submit 241
+__SYSCALL(241, sys_io_submit, 3)
+#define __NR_io_getevents 242
+__SYSCALL(242, sys_io_getevents, 5)
+#define __NR_io_cancel 243
+__SYSCALL(243, sys_io_cancel, 3)
+#define __NR_clock_settime 244
+__SYSCALL(244, sys_clock_settime, 2)
+#define __NR_clock_gettime 245
+__SYSCALL(245, sys_clock_gettime, 2)
+#define __NR_clock_getres 246
+__SYSCALL(246, sys_clock_getres, 2)
+#define __NR_clock_nanosleep 247
+__SYSCALL(247, sys_clock_nanosleep, 4)
+
+/* Timer */
+
+#define __NR_timer_create 248
+__SYSCALL(248, sys_timer_create, 3)
+#define __NR_timer_delete 249
+__SYSCALL(249, sys_timer_delete, 1)
+#define __NR_timer_settime 250
+__SYSCALL(250, sys_timer_settime, 4)
+#define __NR_timer_gettime 251
+__SYSCALL(251, sys_timer_gettime, 2)
+#define __NR_timer_getoverrun 252
+__SYSCALL(252, sys_timer_getoverrun, 1)
+
+/* System */
+
+#define __NR_reserved244 253
+__SYSCALL(253, sys_ni_syscall, 0)
+#define __NR_lookup_dcookie 254
+__SYSCALL(254, sys_lookup_dcookie, 4)
+#define __NR_available255 255
+__SYSCALL(255, sys_ni_syscall, 0)
+#define __NR_add_key 256
+__SYSCALL(256, sys_add_key, 5)
+#define __NR_request_key 257
+__SYSCALL(257, sys_request_key, 5)
+#define __NR_keyctl 258
+__SYSCALL(258, sys_keyctl, 5)
+#define __NR_available259 259
+__SYSCALL(259, sys_ni_syscall, 0)
+
+#define __NR_syscall_count 261
+
+/*
+ * sysxtensa syscall handler
+ *
+ * int sysxtensa (SYS_XTENSA_ATOMIC_SET, ptr, val, unused);
+ * int sysxtensa (SYS_XTENSA_ATOMIC_ADD, ptr, val, unused);
+ * int sysxtensa (SYS_XTENSA_ATOMIC_EXG_ADD, ptr, val, unused);
+ * int sysxtensa (SYS_XTENSA_ATOMIC_CMP_SWP, ptr, oldval, newval);
+ * a2 a6 a3 a4 a5
+ */
+
+#define SYS_XTENSA_RESERVED 0 /* don't use this */
+#define SYS_XTENSA_ATOMIC_SET 1 /* set variable */
+#define SYS_XTENSA_ATOMIC_EXG_ADD 2 /* exchange memory and add */
+#define SYS_XTENSA_ATOMIC_ADD 3 /* add to memory */
+#define SYS_XTENSA_ATOMIC_CMP_SWP 4 /* compare and swap */
+
+#define SYS_XTENSA_COUNT 5 /* count */
#ifdef __KERNEL__
@@ -232,7 +611,9 @@
#define __ARCH_WANT_SYS_UTIME
#define __ARCH_WANT_SYS_LLSEEK
#define __ARCH_WANT_SYS_RT_SIGACTION
+#define __ARCH_WANT_SYS_RT_SIGSUSPEND
-#endif /* __KERNEL__ */
+#endif /* __KERNEL__ */
#endif /* _XTENSA_UNISTD_H */
+
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-22 12:26:33 +0000