diff options
| author |   Michael Ellerman <michael@ellerman.id.au> | 2006-06-23 18:20:09 +1000 |
|---|---|---|
| committer |   Paul Mackerras <paulus@samba.org> | 2006-06-28 11:59:47 +1000 |
| commit | 4ba99b97dadd35b9ce1438b2bc7c992a4a14a8b1 (patch) | |
| tree | 09065f39b2b22e0d29463cb8cea55ccb4b293549 /arch/powerpc/kernel/setup_64.c | |
| parent | [POWERPC] Make kexec_setup() a regular initcall (diff) | |
| download | linux-dev-4ba99b97dadd35b9ce1438b2bc7c992a4a14a8b1.tar.xz linux-dev-4ba99b97dadd35b9ce1438b2bc7c992a4a14a8b1.zip | |
[POWERPC] Setup the boot cpu's paca pointer in C rather than asm
There's no need to set the boot cpu paca in asm, so do it in C so us
mere mortals can understand it.
Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'arch/powerpc/kernel/setup_64.c')
| -rw-r--r-- | arch/powerpc/kernel/setup_64.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/arch/powerpc/kernel/setup_64.c b/arch/powerpc/kernel/setup_64.c index cc26530145db..a2fb2e627aad 100644 --- a/arch/powerpc/kernel/setup_64.c +++ b/arch/powerpc/kernel/setup_64.c @@ -149,6 +149,13 @@ early_param("smt-enabled", early_smt_enabled); #define check_smt_enabled() #endif /* CONFIG_SMP */ +/* Put the paca pointer into r13 and SPRG3 */ +void __init setup_paca(int cpu) +{ + local_paca = &paca[cpu]; + mtspr(SPRN_SPRG3, local_paca); +} + /* * Early initialization entry point. This is called by head.S * with MMU translation disabled. We rely on the "feature" of @@ -183,7 +190,7 @@ void __init early_setup(unsigned long dt_ptr) early_init_devtree(__va(dt_ptr)); /* Now we know the logical id of our boot cpu, setup the paca. */ - setup_boot_paca(); + setup_paca(boot_cpuid); /* Fix up paca fields required for the boot cpu */ get_paca()->cpu_start = 1; |