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Annotation of qemu/roms/SLOF/clients/takeover/entry.S, revision 1.1.1.2

1.1       root        1: /******************************************************************************
                      2:  * Copyright (c) 2004, 2008 IBM Corporation
                      3:  * All rights reserved.
                      4:  * This program and the accompanying materials
                      5:  * are made available under the terms of the BSD License
                      6:  * which accompanies this distribution, and is available at
                      7:  * http://www.opensource.org/licenses/bsd-license.php
                      8:  *
                      9:  * Contributors:
                     10:  *     IBM Corporation - initial implementation
                     11:  *****************************************************************************/
                     12: 
                     13: #include <macros.h>
                     14: #include "takeover.h"
                     15: 
                     16:        .globl  _wrapclient
                     17:        .section        ".start"
                     18:        .align 3
                     19: 
                     20: _wrapclient:
                     21:        bcl     20,31,over      # branch after pointer table
1.1.1.2 ! root       22: base:
1.1       root       23:        .align  3
                     24: .LCgot:                .quad   _got-base+0x8000
1.1.1.2 ! root       25: over:
1.1       root       26:        mflr    r8              # gpr 8 is the base
                     27:        ld      r2, .LCgot-base(r8)     # load got pointer
                     28:        add     r2, r2, r8              # add base
                     29:        li      14, 0
                     30:        oris    14, 14, __bssSize@h
                     31:        ori     14, 14, __bssSize@l
                     32:        addi 14,14,7
                     33:        srwi 14,14,3
                     34:        mtctr   14
                     35:        li      14, 0
                     36:        oris    14, 14, __bssStart@h
                     37:        ori     14, 14, __bssStart@l
                     38:        subi    14, 14, 8
                     39:        li      15, 0
                     40: 1:
                     41:        stdu 15,8(14)
                     42:        bdnz    1b
1.1.1.2 ! root       43: 
1.1       root       44:        bl ._entry
                     45: 
                     46: 
                     47: 
                     48:     .globl slaveLoopNoTakeover
                     49: slaveLoopNoTakeover:
                     50:        mr 28,3
                     51: 
                     52:        li      14,0
                     53:        oris    14, 14, slaveQuitt@h
                     54:        ori     14, 14, slaveQuitt@l
                     55: 
                     56:        li      3,0
                     57:        std     3,0(14)
                     58: 1:
                     59:        ld      3,0(14)
                     60:        cmpld   3,28
                     61:        bne     1b
                     62: 
                     63:        li      3,0
                     64:        std     3,0(14)
                     65: 
                     66:        LOAD64(r3, (TAKEOVERBASEADDRESS+0x150))
                     67:        mtctr   r3
                     68:        bctr
                     69: 
                     70: 
                     71:     .globl slaveLoop
                     72: slaveLoop:
                     73:        mr 28,3
1.1.1.2 ! root       74:        li r3, 0x5124
        !            75:        li r0, -1; .long 0x44000022
1.1       root       76:        
                     77:        li      14,0
                     78:        oris    14, 14, slaveQuitt@h
                     79:        ori     14, 14, slaveQuitt@l
                     80:        li      3,0
                     81:        std     3,0(14)
                     82: 1:
                     83:        ld      3,0(14)
                     84:        cmpld   3,28
                     85:        bne     1b
                     86: 
                     87:        li      3,0
                     88:        std     3,0(14)
                     89: 
                     90:        LOAD64(r3, (TAKEOVERBASEADDRESS+0x150))
                     91:        mtctr   r3
                     92:        bctr
                     93: 
1.1.1.2 ! root       94: 
        !            95: C_ENTRY(m_sync)
        !            96:        isync
        !            97:        sync
        !            98:        nop
        !            99:        blr

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