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[/] [or1k/] [trunk/] [linux/] [linux-2.4/] [arch/] [alpha/] [boot/] [head.S] - Rev 1765
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/*
* arch/alpha/boot/head.S
*
* initial bootloader stuff..
*/
#include <asm/system.h>
.set noreorder
.globl __start
.ent __start
__start:
br $29,2f
2: ldgp $29,0($29)
jsr $26,start_kernel
call_pal PAL_halt
.end __start
.align 5
.globl wrent
.ent wrent
wrent:
.prologue 0
call_pal PAL_wrent
ret ($26)
.end wrent
.align 5
.globl wrkgp
.ent wrkgp
wrkgp:
.prologue 0
call_pal PAL_wrkgp
ret ($26)
.end wrkgp
.align 5
.globl switch_to_osf_pal
.ent switch_to_osf_pal
switch_to_osf_pal:
subq $30,128,$30
.frame $30,128,$26
stq $26,0($30)
stq $1,8($30)
stq $2,16($30)
stq $3,24($30)
stq $4,32($30)
stq $5,40($30)
stq $6,48($30)
stq $7,56($30)
stq $8,64($30)
stq $9,72($30)
stq $10,80($30)
stq $11,88($30)
stq $12,96($30)
stq $13,104($30)
stq $14,112($30)
stq $15,120($30)
.prologue 0
stq $30,0($17) /* save KSP in PCB */
bis $30,$30,$20 /* a4 = KSP */
br $17,1f
ldq $26,0($30)
ldq $1,8($30)
ldq $2,16($30)
ldq $3,24($30)
ldq $4,32($30)
ldq $5,40($30)
ldq $6,48($30)
ldq $7,56($30)
ldq $8,64($30)
ldq $9,72($30)
ldq $10,80($30)
ldq $11,88($30)
ldq $12,96($30)
ldq $13,104($30)
ldq $14,112($30)
ldq $15,120($30)
addq $30,128,$30
ret ($26)
1: call_pal PAL_swppal
.end switch_to_osf_pal
.align 3
.globl tbi
.ent tbi
tbi:
.prologue 0
call_pal PAL_tbi
ret ($26)
.end tbi
.align 3
.globl halt
.ent halt
halt:
.prologue 0
call_pal PAL_halt
.end halt