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-rw-r--r--arch/arm/kernel/debug.S20
-rw-r--r--arch/arm/kernel/elf.c9
2 files changed, 20 insertions, 9 deletions
diff --git a/arch/arm/kernel/debug.S b/arch/arm/kernel/debug.S
index b121b6053cc..5c91addcaeb 100644
--- a/arch/arm/kernel/debug.S
+++ b/arch/arm/kernel/debug.S
@@ -49,6 +49,26 @@
1002:
.endm
+#elif defined(CONFIG_CPU_V7)
+
+ .macro addruart, rx
+ .endm
+
+ .macro senduart, rd, rx
+ mcr p14, 0, \rd, c0, c5, 0
+ .endm
+
+ .macro busyuart, rd, rx
+busy: mrc p14, 0, pc, c0, c1, 0
+ bcs busy
+ .endm
+
+ .macro waituart, rd, rx
+wait: mrc p14, 0, pc, c0, c1, 0
+ bcs wait
+
+ .endm
+
#elif defined(CONFIG_CPU_XSCALE)
.macro addruart, rx
diff --git a/arch/arm/kernel/elf.c b/arch/arm/kernel/elf.c
index 950391f194c..d4a0da1e48f 100644
--- a/arch/arm/kernel/elf.c
+++ b/arch/arm/kernel/elf.c
@@ -78,15 +78,6 @@ int arm_elf_read_implies_exec(const struct elf32_hdr *x, int executable_stack)
return 1;
if (cpu_architecture() < CPU_ARCH_ARMv6)
return 1;
-#if !defined(CONFIG_AEABI) || defined(CONFIG_OABI_COMPAT)
- /*
- * If we have support for OABI programs, we can never allow NX
- * support - our signal syscall restart mechanism relies upon
- * being able to execute code placed on the user stack.
- */
- return 1;
-#else
return 0;
-#endif
}
EXPORT_SYMBOL(arm_elf_read_implies_exec);