patch-2.2.10 linux/arch/alpha/kernel/head.S
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- Lines: 126
- Date:
Sat Jun 12 11:52:52 1999
- Orig file:
v2.2.9/linux/arch/alpha/kernel/head.S
- Orig date:
Fri Oct 23 22:01:19 1998
diff -u --recursive --new-file v2.2.9/linux/arch/alpha/kernel/head.S linux/arch/alpha/kernel/head.S
@@ -32,106 +32,27 @@
#ifdef __SMP__
.align 3
- .globl __start_cpu
- .ent __start_cpu
- /* On entry here from SRM console, the HWPCB of this processor
- has been loaded, and $27 contains the task pointer */
-__start_cpu:
- .prologue 0
- /* First order of business, load the GP */
- br $26,1f
-1: ldgp $29,0($26)
- /* We need to get current loaded up with our first task... */
- mov $27,$8
- /* Set FEN */
- lda $16,1($31)
- call_pal PAL_wrfen
- /* ... and then we can start the processor. */
- jsr $26,start_secondary
+ .globl __smp_callin
+ .ent __smp_callin
+ /* On entry here from SRM console, the HWPCB of the per-cpu
+ slot for this processor has been loaded. We've arranged
+ for the UNIQUE value for this process to contain the PCBB
+ of the target idle task. */
+__smp_callin:
+ .prologue 1
+ ldgp $29,0($27) # First order of business, load the GP.
+
+ call_pal PAL_rduniq # Grab the target PCBB.
+ mov $0,$16 # Install it.
+ call_pal PAL_swpctx
+
+ lda $8,0x3fff # Find "current".
+ bic $30,$8,$8
+
+ jsr $26,smp_callin
call_pal PAL_halt
- .end __start_cpu
+ .end __smp_callin
#endif /* __SMP__ */
-
- .align 3
- .globl wrent
- .ent wrent
-wrent:
- .prologue 0
- call_pal PAL_wrent
- ret ($26)
- .end wrent
-
- .align 3
- .globl wrkgp
- .ent wrkgp
-wrkgp:
- .prologue 0
- call_pal PAL_wrkgp
- ret ($26)
- .end wrkgp
-
- .align 3
- .globl wrusp
- .ent wrusp
-wrusp:
- .prologue 0
- call_pal PAL_wrusp
- ret ($26)
- .end wrusp
-
- .align 3
- .globl rdusp
- .ent rdusp
-rdusp:
- .prologue 0
- call_pal PAL_rdusp
- ret ($26)
- .end rdusp
-
- .align 3
- .globl rdmces
- .ent rdmces
-rdmces:
- .prologue 0
- call_pal PAL_rdmces
- ret ($26)
- .end rdmces
-
- .align 3
- .globl wrmces
- .ent wrmces
-wrmces:
- .prologue 0
- call_pal PAL_wrmces
- ret ($26)
- .end wrmces
-
- .align 3
- .globl whami
- .ent whami
-whami:
- .prologue 0
- call_pal PAL_whami
- ret ($26)
- .end whami
-
- .align 3
- .globl wripir
- .ent wripir
-wripir:
- .prologue 0
- call_pal PAL_wripir
- ret ($26)
- .end wripir
-
- .align 3
- .globl wrvptptr
- .ent wrvptptr
-wrvptptr:
- .prologue 0
- call_pal PAL_wrvptptr
- ret ($26)
- .end wrvptptr
#
# The following two functions are needed for supporting SRM PALcode
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