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[/] [or1k/] [trunk/] [rc203soc/] [sw/] [uClinux/] [arch/] [or32/] [kernel/] [entry.S] - Rev 1777

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#include <linux/sys.h>
#include <linux/config.h>
#include <linux/linkage.h>
#include <asm/segment.h>

LENOSYS = 38

/*
 * these are offsets into the task-struct
 */
LTASK_STATE     =  0
LTASK_COUNTER   =  4
LTASK_PRIORITY  =  8
LTASK_SIGNAL    = 12
LTASK_BLOCKED   = 16
LTASK_FLAGS     = 20

/* the following macro is used when enabling interrupts */
#define ALLOWINT 0xf8ff
#define MAX_NOINT_IPL   0

LD0             = 0x1C
LORIG_D0        = 0x20
LSR             = 0x28
LFORMATVEC      = 0x2E

/*
 * This defines the normal kernel pt-regs layout.
 *
 * regs are a2-a6 and d6-d7 preserved by C code
 * the kernel doesn't mess with usp unless it needs to
 */
#define SAVE_ALL                        \
        clrl    %sp@-;    /* stk_adj */ \
        movel   %d0,%sp@-; /* orig d0 */        \
        movel   %d0,%sp@-; /* d0 */     \
        moveml  %d1-%d5/%a0-%a1,%sp@-

/*      moveml  %sp@+,%a0-%a1/%d1-%d5;  */

#define RESTORE_ALL                     \
        moveml  %sp@+,%d1-%d5/%a0-%a1;  \
        movel   %sp@+,%d0;              \
        addql   #4,%sp;  /* orig d0 */  \
        addl    %sp@+,%sp; /* stk adj */        \
        rte

#define SWITCH_STACK_SIZE (7*4+4)       /* includes return address */

#define SAVE_SWITCH_STACK \
        moveml  %a2-%a6/%d6-%d7,%sp@-

#define RESTORE_SWITCH_STACK \
        moveml  %sp@+,%a2-%a6/%d6-%d7

.globl SYMBOL_NAME(system_call), SYMBOL_NAME(buserr), SYMBOL_NAME(trap)
.globl SYMBOL_NAME(resume), SYMBOL_NAME(ret_from_exception)
.globl SYMBOL_NAME(ret_from_signal)
.globl SYMBOL_NAME(trap3)
.globl SYMBOL_NAME(trap4)
.globl SYMBOL_NAME(trap5)
.globl SYMBOL_NAME(inthandler1)
.globl SYMBOL_NAME(inthandler1)
.globl SYMBOL_NAME(inthandler1)
.globl SYMBOL_NAME(inthandler2)
.globl SYMBOL_NAME(inthandler3)
.globl SYMBOL_NAME(inthandler4)
.globl SYMBOL_NAME(inthandler5)
.globl SYMBOL_NAME(inthandler6)
.globl SYMBOL_NAME(inthandler7)
.globl SYMBOL_NAME(inthandler8)
.globl SYMBOL_NAME(inthandler)
.globl SYMBOL_NAME(inthandler_wrap)
.globl SYMBOL_NAME(timerhandler)
.globl SYMBOL_NAME(serialhandler)
.globl SYMBOL_NAME(sys_call_table)
.globl SYMBOL_NAME(sys_fork), SYMBOL_NAME(sys_clone)
.globl SYMBOL_NAME(ret_from_interrupt), SYMBOL_NAME(bad_interrupt)


.text
ENTRY(buserr)

ENTRY(trap)

ENTRY(trap3)

ENTRY(trap4)

ENTRY(trap5)

ENTRY(trap6)

ENTRY(trap7)

ENTRY(trap8)

ENTRY(trap9)

ENTRY(trap10)

ENTRY(trap11)

ENTRY(trap12)

ENTRY(trap13)

ENTRY(trap14)

ENTRY(trap15)

ENTRY(trap33)

ENTRY(trap34)

ENTRY(trap35)

ENTRY(trap36)

ENTRY(trap37)

ENTRY(trap38)

ENTRY(trap39)

ENTRY(trap40)

ENTRY(trap41)

ENTRY(trap42)

ENTRY(trap43)

ENTRY(trap44)

ENTRY(trap45)


SYMBOL_NAME_LABEL(timerhandler)


SYMBOL_NAME_LABEL(serialhandler)


SYMBOL_NAME_LABEL(inthandler1)


SYMBOL_NAME_LABEL(inthandler2)


SYMBOL_NAME_LABEL(inthandler3)


SYMBOL_NAME_LABEL(inthandler4)


SYMBOL_NAME_LABEL(inthandler5)


SYMBOL_NAME_LABEL(inthandler6)


SYMBOL_NAME_LABEL(inthandler7)


SYMBOL_NAME_LABEL(inthandler8)


SYMBOL_NAME_LABEL(inthandler_wrap)


SYMBOL_NAME_LABEL(inthandler)


SYMBOL_NAME_LABEL(ret_from_interrupt)


SYMBOL_NAME_LABEL(bad_interrupt)


SYMBOL_NAME_LABEL(resume)


.text
ALIGN
SYMBOL_NAME_LABEL(sys_call_table)
        .long SYMBOL_NAME(sys_setup)            /* 0 */
        .long SYMBOL_NAME(sys_exit)
        .long SYMBOL_NAME(sys_fork)
        .long SYMBOL_NAME(sys_read)
        .long SYMBOL_NAME(sys_write)
        .long SYMBOL_NAME(sys_open)             /* 5 */
        .long SYMBOL_NAME(sys_close)
        .long SYMBOL_NAME(sys_waitpid)
        .long SYMBOL_NAME(sys_creat)
        .long SYMBOL_NAME(sys_link)
        .long SYMBOL_NAME(sys_unlink)           /* 10 */
        .long SYMBOL_NAME(sys_execve)
        .long SYMBOL_NAME(sys_chdir)
        .long SYMBOL_NAME(sys_time)
        .long SYMBOL_NAME(sys_mknod)
        .long SYMBOL_NAME(sys_chmod)            /* 15 */
        .long SYMBOL_NAME(sys_chown)
        .long SYMBOL_NAME(sys_break)
        .long SYMBOL_NAME(sys_stat)
        .long SYMBOL_NAME(sys_lseek)
        .long SYMBOL_NAME(sys_getpid)           /* 20 */
        .long SYMBOL_NAME(sys_mount)
        .long SYMBOL_NAME(sys_umount)
        .long SYMBOL_NAME(sys_setuid)
        .long SYMBOL_NAME(sys_getuid)
        .long SYMBOL_NAME(sys_stime)            /* 25 */
        .long SYMBOL_NAME(sys_ptrace)
        .long SYMBOL_NAME(sys_alarm)
        .long SYMBOL_NAME(sys_fstat)
        .long SYMBOL_NAME(sys_pause)
        .long SYMBOL_NAME(sys_utime)            /* 30 */
        .long SYMBOL_NAME(sys_stty)
        .long SYMBOL_NAME(sys_gtty)
        .long SYMBOL_NAME(sys_access)
        .long SYMBOL_NAME(sys_nice)
        .long SYMBOL_NAME(sys_ftime)            /* 35 */
        .long SYMBOL_NAME(sys_sync)
        .long SYMBOL_NAME(sys_kill)
        .long SYMBOL_NAME(sys_rename)
        .long SYMBOL_NAME(sys_mkdir)
        .long SYMBOL_NAME(sys_rmdir)            /* 40 */
        .long SYMBOL_NAME(sys_dup)
        .long SYMBOL_NAME(sys_pipe)
        .long SYMBOL_NAME(sys_times)
        .long SYMBOL_NAME(sys_prof)
        .long SYMBOL_NAME(sys_brk)              /* 45 */
        .long SYMBOL_NAME(sys_setgid)
        .long SYMBOL_NAME(sys_getgid)
        .long SYMBOL_NAME(sys_signal)
        .long SYMBOL_NAME(sys_geteuid)
        .long SYMBOL_NAME(sys_getegid)          /* 50 */
        .long SYMBOL_NAME(sys_acct)
        .long SYMBOL_NAME(sys_phys)
        .long SYMBOL_NAME(sys_lock)
        .long SYMBOL_NAME(sys_ioctl)
        .long SYMBOL_NAME(sys_fcntl)            /* 55 */
        .long SYMBOL_NAME(sys_mpx)
        .long SYMBOL_NAME(sys_setpgid)
        .long SYMBOL_NAME(sys_ulimit)
        .long SYMBOL_NAME(sys_olduname)
        .long SYMBOL_NAME(sys_umask)            /* 60 */
        .long SYMBOL_NAME(sys_chroot)
        .long SYMBOL_NAME(sys_ustat)
        .long SYMBOL_NAME(sys_dup2)
        .long SYMBOL_NAME(sys_getppid)
        .long SYMBOL_NAME(sys_getpgrp)          /* 65 */
        .long SYMBOL_NAME(sys_setsid)
        .long SYMBOL_NAME(sys_sigaction)
        .long SYMBOL_NAME(sys_sgetmask)
        .long SYMBOL_NAME(sys_ssetmask)
        .long SYMBOL_NAME(sys_setreuid)         /* 70 */
        .long SYMBOL_NAME(sys_setregid)
        .long SYMBOL_NAME(sys_sigsuspend)
        .long SYMBOL_NAME(sys_sigpending)
        .long SYMBOL_NAME(sys_sethostname)
        .long SYMBOL_NAME(sys_setrlimit)        /* 75 */
        .long SYMBOL_NAME(sys_getrlimit)
        .long SYMBOL_NAME(sys_getrusage)
        .long SYMBOL_NAME(sys_gettimeofday)
        .long SYMBOL_NAME(sys_settimeofday)
        .long SYMBOL_NAME(sys_getgroups)        /* 80 */
        .long SYMBOL_NAME(sys_setgroups)
        .long SYMBOL_NAME(old_select)
        .long SYMBOL_NAME(sys_symlink)
        .long SYMBOL_NAME(sys_lstat)
        .long SYMBOL_NAME(sys_readlink)         /* 85 */
        .long SYMBOL_NAME(sys_uselib)
        .long SYMBOL_NAME(sys_swapon)
        .long SYMBOL_NAME(sys_reboot)
        .long SYMBOL_NAME(old_readdir)
        .long SYMBOL_NAME(old_mmap)             /* 90 */
        .long SYMBOL_NAME(sys_munmap)
        .long SYMBOL_NAME(sys_truncate)
        .long SYMBOL_NAME(sys_ftruncate)
        .long SYMBOL_NAME(sys_fchmod)
        .long SYMBOL_NAME(sys_fchown)           /* 95 */
        .long SYMBOL_NAME(sys_getpriority)
        .long SYMBOL_NAME(sys_setpriority)
        .long SYMBOL_NAME(sys_profil)
        .long SYMBOL_NAME(sys_statfs)
        .long SYMBOL_NAME(sys_fstatfs)          /* 100 */
        .long SYMBOL_NAME(sys_ioperm)
        .long SYMBOL_NAME(sys_socketcall)
        .long SYMBOL_NAME(sys_syslog)
        .long SYMBOL_NAME(sys_setitimer)
        .long SYMBOL_NAME(sys_getitimer)        /* 105 */
        .long SYMBOL_NAME(sys_newstat)
        .long SYMBOL_NAME(sys_newlstat)
        .long SYMBOL_NAME(sys_newfstat)
        .long SYMBOL_NAME(sys_uname)
        .long SYMBOL_NAME(sys_ni_syscall)       /* iopl for i386 */ /* 110 */
        .long SYMBOL_NAME(sys_vhangup)
        .long SYMBOL_NAME(sys_idle)
        .long SYMBOL_NAME(sys_ni_syscall)       /* vm86 for i386 */
        .long SYMBOL_NAME(sys_wait4)
        .long SYMBOL_NAME(sys_swapoff)          /* 115 */
        .long SYMBOL_NAME(sys_sysinfo)
        .long SYMBOL_NAME(sys_ipc)
        .long SYMBOL_NAME(sys_fsync)
        .long SYMBOL_NAME(sys_sigreturn)
        .long SYMBOL_NAME(sys_clone)            /* 120 */
        .long SYMBOL_NAME(sys_setdomainname)
        .long SYMBOL_NAME(sys_newuname)
        .long SYMBOL_NAME(sys_cacheflush)       /* modify_ldt for i386 */
        .long SYMBOL_NAME(sys_adjtimex)
        .long SYMBOL_NAME(sys_mprotect)         /* 125 */
        .long SYMBOL_NAME(sys_sigprocmask)
        .long SYMBOL_NAME(sys_create_module)
        .long SYMBOL_NAME(sys_init_module)
        .long SYMBOL_NAME(sys_delete_module)
        .long SYMBOL_NAME(sys_get_kernel_syms)  /* 130 */
        .long SYMBOL_NAME(sys_quotactl)
        .long SYMBOL_NAME(sys_getpgid)
        .long SYMBOL_NAME(sys_fchdir)
        .long SYMBOL_NAME(sys_bdflush)
        .long SYMBOL_NAME(sys_sysfs)            /* 135 */
        .long SYMBOL_NAME(sys_personality)
        .long SYMBOL_NAME(sys_ni_syscall)       /* for afs_syscall */
        .long SYMBOL_NAME(sys_setfsuid)
        .long SYMBOL_NAME(sys_setfsgid)
        .long SYMBOL_NAME(sys_llseek)           /* 140 */
        .long SYMBOL_NAME(sys_getdents)
        .long SYMBOL_NAME(sys_select)
        .long SYMBOL_NAME(sys_flock)
        .long SYMBOL_NAME(sys_msync)
        .long SYMBOL_NAME(sys_readv)            /* 145 */
        .long SYMBOL_NAME(sys_writev)
        .long SYMBOL_NAME(sys_getsid)
        .long SYMBOL_NAME(sys_fdatasync)
        .long SYMBOL_NAME(sys_sysctl)
        .long SYMBOL_NAME(sys_mlock)            /* 150 */
        .long SYMBOL_NAME(sys_munlock)
        .long SYMBOL_NAME(sys_mlockall)
        .long SYMBOL_NAME(sys_munlockall)
        .long SYMBOL_NAME(sys_sched_setparam)
        .long SYMBOL_NAME(sys_sched_getparam)   /* 155 */
        .long SYMBOL_NAME(sys_sched_setscheduler)
        .long SYMBOL_NAME(sys_sched_getscheduler)
        .long SYMBOL_NAME(sys_sched_yield)
        .long SYMBOL_NAME(sys_sched_get_priority_max)
        .long SYMBOL_NAME(sys_sched_get_priority_min)  /* 160 */
        .long SYMBOL_NAME(sys_sched_rr_get_interval)
        .long SYMBOL_NAME(sys_nanosleep)
        .long SYMBOL_NAME(sys_mremap)
        .space (NR_syscalls-163)*4

ENTRY(trap46)

ENTRY(trap47)

ENTRY(reschedule)

ENTRY(system_call)

SYMBOL_NAME_LABEL(ret_from_signal)

SYMBOL_NAME_LABEL(ret_from_exception)

Lsignal_return:

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