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powerpc: Merge 32-bit CHRP support.

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SMP still needs more work but UP gets as far as starting userspace
at least.  This uses the 64-bit-style code for spinning up the cpus.

Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Paul Mackerras
2005-10-26 21:45:56 +10:00
parent 303d72a000
commit bbd0abda9c
12 changed files with 1256 additions and 37 deletions
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9
arch/powerpc/kernel/head_32.S
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@@ -207,7 +207,7 @@ turn_on_mmu:
.globl __secondary_hold
__secondary_hold:
/* tell the master we're here */
stw r3,4(0)
stw r3,__secondary_hold_acknowledge@l(0)
#ifdef CONFIG_SMP
100: lwz r4,0(0)
/* wait until we're told to start */
@@ -220,6 +220,13 @@ __secondary_hold:
b .
#endif /* CONFIG_SMP */
.globl __secondary_hold_spinloop
__secondary_hold_spinloop:
.long 0
.globl __secondary_hold_acknowledge
__secondary_hold_acknowledge:
.long -1
/*
* Exception entry code. This code runs with address translation
* turned off, i.e. using physical addresses.