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2007-12-11 Joel Sherrill <joel.sherrill@OARcorp.com>

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* clock/clock.c, include/bsp.h, startup/bspstart.c,
	startup/rtems-ctor.cc: Eliminate copies of the Configuration Table.
	Use the RTEMS provided accessor macros to obtain configuration
	fields.
This commit is contained in:
Joel Sherrill
2007-12-11 15:46:10 +00:00
parent 35f1d89dbe
commit 200748bfa0
5 changed files with 29 additions and 63 deletions
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7
c/src/lib/libbsp/unix/posix/ChangeLog
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@@ -1,3 +1,10 @@
2007-12-11 Joel Sherrill <joel.sherrill@OARcorp.com>
* clock/clock.c, include/bsp.h, startup/bspstart.c,
startup/rtems-ctor.cc: Eliminate copies of the Configuration Table.
Use the RTEMS provided accessor macros to obtain configuration
fields.
2007-12-04 Joel Sherrill <joel.sherrill@OARcorp.com>
* include/bsp.h, startup/bspstart.c: Move interrupt_stack_size field

2
c/src/lib/libbsp/unix/posix/clock/clock.c
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@@ -36,7 +36,7 @@ void Install_clock(rtems_isr_entry clock_isr)
(void) set_vector( clock_isr, Clock_driver_vector, 1 );
_CPU_Start_clock( BSP_Configuration.microseconds_per_tick );
_CPU_Start_clock( rtems_configuration_get_microseconds_per_tick() );
atexit(Clock_exit);
}

7
c/src/lib/libbsp/unix/posix/include/bsp.h
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@@ -31,8 +31,6 @@ extern "C" {
/* miscellaneous stuff assumed to exist */
extern rtems_configuration_table BSP_Configuration;
/*
* Device Driver Table Entries
*/
@@ -53,14 +51,9 @@ void bsp_cleanup( void );
/* miscellaneous stuff assumed to exist */
extern rtems_configuration_table BSP_Configuration; /* owned by BSP */
extern int rtems_argc;
extern char **rtems_argv;
extern uint32_t bsp_isr_level;
extern char *rtems_progname; /* UNIX executable name */
extern int cpu_number;
#ifdef __cplusplus

57
c/src/lib/libbsp/unix/posix/startup/bspstart.c
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@@ -24,16 +24,6 @@
#include <rtems/libcsupport.h>
#include <rtems/libio.h>
extern rtems_configuration_table Configuration;
/*
* A copy of the configuration table from the application
* with some changes applied to it.
*/
rtems_configuration_table BSP_Configuration;
rtems_multiprocessing_table BSP_Multiprocessing;
uint32_t bsp_isr_level;
uint32_t Heap_size;
int rtems_argc;
char **rtems_argv;
@@ -118,36 +108,24 @@ void bsp_start(void)
{
uintptr_t workspace_ptr;
/*
* Copy the table (normally done in shared main).
*/
BSP_Configuration = Configuration;
/*
* If the node number is -1 then the application better provide
* it through environment variables RTEMS_NODE.
* Ditto for RTEMS_MAXIMUM_NODES
*/
if (BSP_Configuration.User_multiprocessing_table) {
if (Configuration.User_multiprocessing_table) {
char *p;
/* make a copy for possible editing */
BSP_Multiprocessing = *BSP_Configuration.User_multiprocessing_table;
BSP_Configuration.User_multiprocessing_table = &BSP_Multiprocessing;
if (BSP_Multiprocessing.node == -1)
{
if (Configuration.User_multiprocessing_table->node == -1) {
p = getenv("RTEMS_NODE");
BSP_Multiprocessing.node = p ? atoi(p) : 1;
Configuration.User_multiprocessing_table->node = p ? atoi(p) : 1;
}
/* If needed provide maximum_nodes also */
if (BSP_Multiprocessing.maximum_nodes == -1)
{
if (Configuration.User_multiprocessing_table->maximum_nodes == -1) {
p = getenv("RTEMS_MAXIMUM_NODES");
BSP_Multiprocessing.maximum_nodes = p ? atoi(p) : 1;
Configuration.User_multiprocessing_table->maximum_nodes = p ? atoi(p) : 1;
}
}
@@ -155,41 +133,28 @@ void bsp_start(void)
* Set cpu_number to accurately reflect our cpu number
*/
if (BSP_Configuration.User_multiprocessing_table)
cpu_number = BSP_Configuration.User_multiprocessing_table->node - 1;
if (Configuration.User_multiprocessing_table->User_multiprocessing_table)
cpu_number = Configuration.User_multiprocessing_table->node - 1;
else
cpu_number = 0;
if (getenv("RTEMS_WORKSPACE_SIZE"))
BSP_Configuration.work_space_size =
rtems_configuration_get_work_space_size() =
strtol(getenv("RTEMS_WORKSPACE_SIZE"), 0, 0);
else
BSP_Configuration.work_space_size = DEFAULT_WORKSPACE_SIZE;
rtems_configuration_get_work_space_size() = DEFAULT_WORKSPACE_SIZE;
/*
* Allocate workspace memory, ensuring it is properly aligned
*/
workspace_ptr =
(uintptr_t) sbrk(BSP_Configuration.work_space_size + CPU_ALIGNMENT);
(uintptr_t) sbrk(rtems_configuration_get_work_space_size() + CPU_ALIGNMENT);
workspace_ptr += CPU_ALIGNMENT - 1;
workspace_ptr &= ~(CPU_ALIGNMENT - 1);
BSP_Configuration.work_space_start = (void *) workspace_ptr;
/*
* Add 1 extension for MPCI_fatal
*/
if (BSP_Configuration.User_multiprocessing_table)
BSP_Configuration.maximum_extensions++;
Configuration.work_space_start = (void *) workspace_ptr;
CPU_CLICKS_PER_TICK = 1;
/*
* Start most of RTEMS
* main() will start the rest
*/
bsp_isr_level = rtems_initialize_executive_early( &BSP_Configuration );
}

19
c/src/lib/libbsp/unix/posix/startup/rtems-ctor.cc
View File

@@ -49,15 +49,6 @@
#include <stdio.h>
#include <stdlib.h>
/*
* RTEMS program name
* Probably not used by anyone, but it is nice to have it.
* Actually the UNIX version of CPU_INVOKE_DEBUGGER will probably
* need to use it
*/
char *rtems_progname;
class RTEMS {
public:
RTEMS();
@@ -89,6 +80,14 @@ extern "C" {
rtems_argc = argc;
rtems_argv = argv;
rtems_interrupt_level bsp_isr_level;
/*
* Make sure interrupts are disabled.
*/
rtems_interrupt_disable( bsp_isr_level );
if ((argc > 0) && argv && argv[0])
rtems_progname = argv[0];
else
@@ -102,6 +101,8 @@ extern "C" {
invoke_non_gnu_constructors();
#endif
rtems_initialize_executive_early( &Configuration );
/*
* Start multitasking
*/