sh: CPU flags in AT_HWCAP in ELF auxvt.

Encode processor flags in AT_HWCAP in the ELF auxiliary vector.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>

1 files changed, 5 insertions, 3 deletions

diff --git a/arch/sh/kernel/cpu/sh4/probe.c b/arch/sh/kernel/cpu/sh4/probe.c
index 6e8a2b5268e8..0e65aa6ddcaa 100644
--- a/arch/sh/kernel/cpu/sh4/probe.c
+++ b/arch/sh/kernel/cpu/sh4/probe.c
@@ -76,6 +76,7 @@ int __init detect_cpu_and_cache_system(void)
                 cpu_data->type = CPU_SH73180;
                 cpu_data->icache.ways = 4;
                 cpu_data->dcache.ways = 4;
+                cpu_data->flags |= CPU_HAS_LLSC;
                 break;
         case 0x2001:
         case 0x2004:
@@ -83,7 +84,7 @@ int __init detect_cpu_and_cache_system(void)
                 cpu_data->icache.ways = 4;
                 cpu_data->dcache.ways = 4;
 
-                cpu_data->flags |= CPU_HAS_FPU;
+                cpu_data->flags |= CPU_HAS_FPU | CPU_HAS_LLSC;
                 break;
         case 0x2006:
         case 0x200A:
@@ -95,13 +96,15 @@ int __init detect_cpu_and_cache_system(void)
                 cpu_data->icache.ways = 4;
                 cpu_data->dcache.ways = 4;
 
-                cpu_data->flags |= CPU_HAS_FPU | CPU_HAS_PERF_COUNTER;
+                cpu_data->flags |= CPU_HAS_FPU | CPU_HAS_PERF_COUNTER |
+                                   CPU_HAS_LLSC;
                 break;
         case 0x3000:
         case 0x3003:
                 cpu_data->type = CPU_SH7343;
                 cpu_data->icache.ways = 4;
                 cpu_data->dcache.ways = 4;
+                cpu_data->flags |= CPU_HAS_LLSC;
                 break;
         case 0x8000:
                 cpu_data->type = CPU_ST40RA;
@@ -180,4 +183,3 @@ int __init detect_cpu_and_cache_system(void)
 
         return 0;
 }
-