diff options
Diffstat (limited to 'arch/arm/kernel')
-rw-r--r-- | arch/arm/kernel/debug.S | 20 | ||||
-rw-r--r-- | arch/arm/kernel/elf.c | 9 |
2 files changed, 20 insertions, 9 deletions
diff --git a/arch/arm/kernel/debug.S b/arch/arm/kernel/debug.S index b121b6053cce..5c91addcaebc 100644 --- a/arch/arm/kernel/debug.S +++ b/arch/arm/kernel/debug.S | |||
@@ -49,6 +49,26 @@ | |||
49 | 1002: | 49 | 1002: |
50 | .endm | 50 | .endm |
51 | 51 | ||
52 | #elif defined(CONFIG_CPU_V7) | ||
53 | |||
54 | .macro addruart, rx | ||
55 | .endm | ||
56 | |||
57 | .macro senduart, rd, rx | ||
58 | mcr p14, 0, \rd, c0, c5, 0 | ||
59 | .endm | ||
60 | |||
61 | .macro busyuart, rd, rx | ||
62 | busy: mrc p14, 0, pc, c0, c1, 0 | ||
63 | bcs busy | ||
64 | .endm | ||
65 | |||
66 | .macro waituart, rd, rx | ||
67 | wait: mrc p14, 0, pc, c0, c1, 0 | ||
68 | bcs wait | ||
69 | |||
70 | .endm | ||
71 | |||
52 | #elif defined(CONFIG_CPU_XSCALE) | 72 | #elif defined(CONFIG_CPU_XSCALE) |
53 | 73 | ||
54 | .macro addruart, rx | 74 | .macro addruart, rx |
diff --git a/arch/arm/kernel/elf.c b/arch/arm/kernel/elf.c index 950391f194c4..d4a0da1e48f4 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) | |||
78 | return 1; | 78 | return 1; |
79 | if (cpu_architecture() < CPU_ARCH_ARMv6) | 79 | if (cpu_architecture() < CPU_ARCH_ARMv6) |
80 | return 1; | 80 | return 1; |
81 | #if !defined(CONFIG_AEABI) || defined(CONFIG_OABI_COMPAT) | ||
82 | /* | ||
83 | * If we have support for OABI programs, we can never allow NX | ||
84 | * support - our signal syscall restart mechanism relies upon | ||
85 | * being able to execute code placed on the user stack. | ||
86 | */ | ||
87 | return 1; | ||
88 | #else | ||
89 | return 0; | 81 | return 0; |
90 | #endif | ||
91 | } | 82 | } |
92 | EXPORT_SYMBOL(arm_elf_read_implies_exec); | 83 | EXPORT_SYMBOL(arm_elf_read_implies_exec); |