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/*
* Creation Date: <2001/02/24 14:08:28 samuel>
* Time-stamp: <2001/06/25 00:50:09 samuel>
*
* <platform.S>
*
* Linux Kernel Hooks
*
* Copyright (C) 2001 Samuel Rydh (samuel@ibrium.se)
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation
*
*/
////////////////////////////////////////////////////////
// flush_hash_page_hook
//
// Kernel hook
//
// r3: context
// r4: virtual address
// r5: pointer to linux PTE (2.4.6 or later)
// r10: return address
//
// [must not modify: r3-r5,r10 - otherwise normal C-function]
// MMU is ON
.set STACK_SPACE, 32
.set STACK_LR, STACK_SPACE+4
.set STACK_V0, 8
.set STACK_V1, 12
.set STACK_V2, 16
.set STACK_V3, 20
.set STACK_V4, 24
FHOOK( FHOOK_FLUSH_HASH_PAGE )
GLOBAL_SYMBOL( r__flush_hash_page_hook ):
stwu r1,-STACK_SPACE(r1) // Push stackframe
mflr r0
stw r0,STACK_LR(r1)
stw r10,STACK_V1(r1) // Save registers
stw r3,STACK_V2(r1)
stw r4,STACK_V3(r1)
stw r5,STACK_V4(r1)
LI_VIRT( r7,do_flush )
mtctr r7
bctrl
lwz r10,STACK_V1(r1) // Restore registers
lwz r3,STACK_V2(r1)
lwz r4,STACK_V3(r1)
lwz r5,STACK_V4(r1)
lwz r0,STACK_LR(r1) // Pop stackframe
addi r1,r1,STACK_SPACE
mtlr r0
blr
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