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Annotation of prex/dev/arm/arm/start.S, Revision 1.1

1.1     ! nbrk        1: /*
        !             2:  * Copyright (c) 2005, Kohsuke Ohtani
        !             3:  * All rights reserved.
        !             4:  *
        !             5:  * Redistribution and use in source and binary forms, with or without
        !             6:  * modification, are permitted provided that the following conditions
        !             7:  * are met:
        !             8:  * 1. Redistributions of source code must retain the above copyright
        !             9:  *    notice, this list of conditions and the following disclaimer.
        !            10:  * 2. Redistributions in binary form must reproduce the above copyright
        !            11:  *    notice, this list of conditions and the following disclaimer in the
        !            12:  *    documentation and/or other materials provided with the distribution.
        !            13:  * 3. Neither the name of the author nor the names of any co-contributors
        !            14:  *    may be used to endorse or promote products derived from this software
        !            15:  *    without specific prior written permission.
        !            16:  *
        !            17:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
        !            18:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
        !            19:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
        !            20:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
        !            21:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
        !            22:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
        !            23:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
        !            24:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
        !            25:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
        !            26:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
        !            27:  * SUCH DAMAGE.
        !            28:  */
        !            29:
        !            30: /*
        !            31:  * start.S - driver start up routine
        !            32:  */
        !            33: #define ENTRY(x) .global x; .align; x##:
        !            34:
        !            35: .data
        !            36:
        !            37: drv_serv:      .word   0
        !            38:
        !            39:
        !            40: .text
        !            41:
        !            42: /*
        !            43:  * Entry point which called by kernel
        !            44:  */
        !            45: ENTRY(driver_start)
        !            46:        ldr     r1, =drv_serv
        !            47:        str     r0, [r1]
        !            48:        b       driver_main
        !            49:
        !            50: /*
        !            51:  * Stub to call kernel device interface
        !            52:  */
        !            53: #define STUB(index, func) .global func;\
        !            54: ENTRY(func) \
        !            55:        ldr     ip, =drv_serv   ; \
        !            56:        ldr     ip, [ip]        ; \
        !            57:        ldr     ip, [ip, #(index*4)]    ; \
        !            58:        mov     pc, ip
        !            59:
        !            60: STUB( 0, device_create)
        !            61: STUB( 1, device_destroy)
        !            62: STUB( 2, device_broadcast)
        !            63: STUB( 3, umem_copyin)
        !            64: STUB( 4, umem_copyout)
        !            65: STUB( 5, umem_strnlen)
        !            66: STUB( 6, kmem_alloc)
        !            67: STUB( 7, kmem_free)
        !            68: STUB( 8, kmem_map)
        !            69: STUB( 9, page_alloc)
        !            70: STUB(10, page_free)
        !            71: STUB(11, page_reserve)
        !            72: STUB(12, irq_attach)
        !            73: STUB(13, irq_detach)
        !            74: STUB(14, irq_lock)
        !            75: STUB(15, irq_unlock)
        !            76: STUB(16, timer_callout)
        !            77: STUB(17, timer_stop)
        !            78: STUB(18, timer_delay)
        !            79: STUB(19, timer_count)
        !            80: STUB(20, timer_hook)
        !            81: STUB(21, sched_lock)
        !            82: STUB(22, sched_unlock)
        !            83: STUB(23, sched_tsleep)
        !            84: STUB(24, sched_wakeup)
        !            85: STUB(25, sched_dpc)
        !            86: STUB(26, task_capable)
        !            87: STUB(27, exception_post)
        !            88: STUB(28, machine_bootinfo)
        !            89: STUB(29, machine_reset)
        !            90: STUB(30, machine_idle)
        !            91: STUB(31, phys_to_virt)
        !            92: STUB(32, virt_to_phys)
        !            93: STUB(33, debug_attach)
        !            94: STUB(34, debug_dump)
        !            95: STUB(35, printf)
        !            96: STUB(36, panic)