diff options
Diffstat (limited to 'arch/alpha/kernel/head.S')
| -rw-r--r-- | arch/alpha/kernel/head.S | 36 |
1 files changed, 19 insertions, 17 deletions
diff --git a/arch/alpha/kernel/head.S b/arch/alpha/kernel/head.S index 8ba50462b..3fcbdbcda 100644 --- a/arch/alpha/kernel/head.S +++ b/arch/alpha/kernel/head.S @@ -32,24 +32,26 @@ __start: #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 |