"Helps debug funky firmware issues".
After:
Starting Linux PPC64 #108 SMP Wed Aug 6 19:04:51 EST 2014
-----------------------------------------------------
ppc64_pft_size = 0x1a
phys_mem_size = 0x200000000
cpu_features = 0x17fc7a6c18500249
possible = 0x1fffffff18700649
always = 0x0000000000000040
cpu_user_features = 0xdc0065c2 0xee000000
mmu_features = 0x5a000001
firmware_features = 0x00000001405a440b
htab_hash_mask = 0x7ffff
-----------------------------------------------------
Signed-off-by: Benjamin Herrenschmidt <[email protected]>
Signed-off-by: Michael Ellerman <[email protected]>
---
v2: Add CPU_FTRS_ALWAYS & CPU_FTRS_POSSIBLE.
---
arch/powerpc/kernel/setup_64.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/arch/powerpc/kernel/setup_64.c b/arch/powerpc/kernel/setup_64.c
index b364f7bd0a94..dce860181b5c 100644
--- a/arch/powerpc/kernel/setup_64.c
+++ b/arch/powerpc/kernel/setup_64.c
@@ -525,6 +525,14 @@ void __init setup_system(void)
if (ppc64_caches.iline_size != 0x80)
printk("icache_line_size = 0x%x\n", ppc64_caches.iline_size);
+ printk("cpu_features = 0x%016lx\n", cur_cpu_spec->cpu_features);
+ printk(" possible = 0x%016lx\n", CPU_FTRS_POSSIBLE);
+ printk(" always = 0x%016lx\n", CPU_FTRS_ALWAYS);
+ printk("cpu_user_features = 0x%08x 0x%08x\n",
cur_cpu_spec->cpu_user_features,
+ cur_cpu_spec->cpu_user_features2);
+ printk("mmu_features = 0x%08x\n", cur_cpu_spec->mmu_features);
+ printk("firmware_features = 0x%016lx\n", powerpc_firmware_features);
+
#ifdef CONFIG_PPC_STD_MMU_64
if (htab_address)
printk("htab_address = 0x%p\n", htab_address);
--
1.9.1
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