diff options
Diffstat (limited to 'include/acpi/actypes.h')
| -rw-r--r-- | include/acpi/actypes.h | 41 |
1 files changed, 34 insertions, 7 deletions
diff --git a/include/acpi/actypes.h b/include/acpi/actypes.h index 74819e9b469..7ca89cde706 100644 --- a/include/acpi/actypes.h +++ b/include/acpi/actypes.h @@ -237,17 +237,22 @@ typedef char *acpi_physical_address; #error unknown ACPI_MACHINE_WIDTH #endif +/* Variable-width type, used instead of clib size_t */ + +typedef acpi_native_uint acpi_size; + /******************************************************************************* * * OS- or compiler-dependent types * + * If the defaults below are not appropriate for the host system, they can + * be defined in the compiler-specific or OS-specific header, and this will + * take precedence. + * ******************************************************************************/ -/* - * If acpi_uintptr_t was not defined in the OS- or compiler-dependent header, - * define it now (use C99 uintptr_t for pointer casting if available, - * "void *" otherwise) - */ +/* Use C99 uintptr_t for pointer casting if available, "void *" otherwise */ + #ifndef acpi_uintptr_t #define acpi_uintptr_t void * #endif @@ -261,9 +266,31 @@ typedef char *acpi_physical_address; #define acpi_cache_t struct acpi_memory_list #endif -/* Variable-width type, used instead of clib size_t */ +/* + * Allow the CPU flags word to be defined per-OS to simplify the use of the + * lock and unlock OSL interfaces. + */ +#ifndef acpi_cpu_flags +#define acpi_cpu_flags acpi_native_uint +#endif -typedef acpi_native_uint acpi_size; +/* + * ACPI_PRINTF_LIKE is used to tag functions as "printf-like" because + * some compilers can catch printf format string problems + */ +#ifndef ACPI_PRINTF_LIKE +#define ACPI_PRINTF_LIKE(c) +#endif + +/* + * Some compilers complain about unused variables. Sometimes we don't want to + * use all the variables (for example, _acpi_module_name). This allows us + * to to tell the compiler in a per-variable manner that a variable + * is unused + */ +#ifndef ACPI_UNUSED_VAR +#define ACPI_UNUSED_VAR +#endif /******************************************************************************* * |