diff options
Diffstat (limited to '')
| -rw-r--r-- | c/src/exec/sapi/ChangeLog | 7 | ||||
| -rw-r--r-- | c/src/exec/sapi/include/confdefs.h | 28 |
2 files changed, 29 insertions, 6 deletions
diff --git a/c/src/exec/sapi/ChangeLog b/c/src/exec/sapi/ChangeLog index 3bc0d3051a..f201bb52fc 100644 --- a/c/src/exec/sapi/ChangeLog +++ b/c/src/exec/sapi/ChangeLog @@ -1,3 +1,10 @@ +2001-03-28 Joel Sherrill <joel@OARcorp.com> + + * PR132 requested some tinkering ot lower memory. + * include/confdefs.h: Lowered footprint of device driver table + and statically configure user extensions. Now if no static + extensions are configured, then the table is not instantiated. + 2002-03-27 Ralf Corsepius <corsepiu@faw.uni-ulm.de> * Makefile.am: Remove AUTOMAKE_OPTIONS. diff --git a/c/src/exec/sapi/include/confdefs.h b/c/src/exec/sapi/include/confdefs.h index 75e6a23a19..52d23e8e6d 100644 --- a/c/src/exec/sapi/include/confdefs.h +++ b/c/src/exec/sapi/include/confdefs.h @@ -293,7 +293,14 @@ rtems_driver_address_table Device_drivers[] = { #ifdef CONFIGURE_APPLICATION_NEEDS_STUB_DRIVER DEVNULL_DRIVER_TABLE_ENTRY, #endif +#ifdef CONFIGURE_APPLICATION_NEEDS_NULL_DRIVER NULL_DRIVER_TABLE_ENTRY +#elif !defined(CONFIGURE_APPLICATION_NEEDS_CONSOLE_DRIVER) && \ + !defined(CONFIGURE_APPLICATION_NEEDS_CLOCK_DRIVER) && \ + !defined(CONFIGURE_APPLICATION_NEEDS_RTC_DRIVER) && \ + !defined(CONFIGURE_APPLICATION_NEEDS_STUB_DRIVER) + NULL_DRIVER_TABLE_ENTRY +#endif }; #endif @@ -304,8 +311,11 @@ rtems_driver_address_table Device_drivers[] = { * overridden by the user. */ +#define CONFIGURE_NUMBER_OF_DRIVERS \ + ((sizeof(Device_drivers) / sizeof(rtems_driver_address_table))) + #ifndef CONFIGURE_MAXIMUM_DRIVERS -#define CONFIGURE_MAXIMUM_DRIVERS 10 +#define CONFIGURE_MAXIMUM_DRIVERS CONFIGURE_NUMBER_OF_DRIVERS #endif /* @@ -430,6 +440,8 @@ rtems_multiprocessing_table Multiprocessing_configuration = { #include <rtems/stackchk.h> #endif +#if defined(CONFIGURE_INITIAL_EXTENSIONS) || \ + defined(STACK_CHECKER_ON) rtems_extensions_table Configuration_Initial_Extensions[] = { #ifdef CONFIGURE_INITIAL_EXTENSIONS CONFIGURE_INITIAL_EXTENSIONS, @@ -437,12 +449,17 @@ rtems_extensions_table Configuration_Initial_Extensions[] = { #ifdef STACK_CHECKER_ON STACK_CHECKER_EXTENSION, #endif - { NULL, NULL, NULL, NULL, NULL, NULL, NULL } }; +#define CONFIGURE_INITIAL_EXTENSION_TABLE Configuration_Initial_Extensions #define CONFIGURE_NUMBER_OF_INITIAL_EXTENSIONS \ ((sizeof(Configuration_Initial_Extensions) / \ - sizeof(rtems_extensions_table)) - 1) + sizeof(rtems_extensions_table))) +#else +#define CONFIGURE_INITIAL_EXTENSION_TABLE NULL +#define CONFIGURE_NUMBER_OF_INITIAL_EXTENSIONS 0 +#endif + #endif @@ -1003,11 +1020,10 @@ rtems_configuration_table Configuration = { CONFIGURE_TICKS_PER_TIMESLICE, CONFIGURE_MAXIMUM_DEVICES, CONFIGURE_MAXIMUM_DRIVERS, - sizeof (Device_drivers)/ - sizeof(rtems_driver_address_table), /* number of device drivers */ + CONFIGURE_NUMBER_OF_DRIVERS, /* number of device drivers */ Device_drivers, /* pointer to driver table */ CONFIGURE_NUMBER_OF_INITIAL_EXTENSIONS, /* number of initial extensions */ - Configuration_Initial_Extensions, /* pointer to initial extensions */ + CONFIGURE_INITIAL_EXTENSION_TABLE, /* pointer to initial extensions */ CONFIGURE_MULTIPROCESSING_TABLE, /* pointer to MP config table */ &Configuration_RTEMS_API, /* pointer to RTEMS API config */ #ifdef RTEMS_POSIX_API |