diff options
| author | Sandrine Bailleux <sandrine.bailleux@arm.com> | 2014-05-09 11:23:11 +0100 |
|---|---|---|
| committer | Sandrine Bailleux <sandrine.bailleux@arm.com> | 2014-05-09 11:23:11 +0100 |
| commit | b3254e8547707ff57ed7766aba53933884bd6a1c (patch) | |
| tree | ce10aa2b21b36c307b7cb643ae21904bc226ae56 /include/lib | |
| parent | 60bc4bbd0bf705f30327e3c37973bcf1e1851110 (diff) | |
Introduce IS_IN_ELX() macros
The goal of these macros is to improve code readability by providing
a concise way to check whether we are running in the expected
exception level.
Change-Id: If9aebadfb6299a5196e9a582b442f0971d9909b1
Diffstat (limited to 'include/lib')
| -rw-r--r-- | include/lib/aarch64/arch_helpers.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/include/lib/aarch64/arch_helpers.h b/include/lib/aarch64/arch_helpers.h index 517e25a..67b452b 100644 --- a/include/lib/aarch64/arch_helpers.h +++ b/include/lib/aarch64/arch_helpers.h @@ -264,5 +264,10 @@ extern void write_cpuectlr(unsigned long); extern void write_cptr_el2(unsigned long); extern void write_cptr_el3(unsigned long); +#define IS_IN_EL(x) \ + (GET_EL(read_current_el()) == MODE_EL##x) + +#define IS_IN_EL1() IS_IN_EL(1) +#define IS_IN_EL3() IS_IN_EL(3) #endif /* __ARCH_HELPERS_H__ */ |