Transitioned to shared bsp_libc_init() and cleaned up comments.

This commit is contained in:
Joel Sherrill
1998-04-15 15:13:01 +00:00
parent b3d3a34edd
commit b6394ae434
63 changed files with 606 additions and 1437 deletions

View File

@@ -11,7 +11,7 @@ PROJECT_ROOT = @PROJECT_ROOT@
PGM=${ARCH}/startup.rel
# C source names, if any, go here -- minus the .c
C_PIECES=bspclean bsppost bspstart main sbrk setvec spurious
C_PIECES=bspclean bsplibc bsppost bspstart main sbrk setvec spurious
C_FILES=$(C_PIECES:%=%.c)
C_O_FILES=$(C_PIECES:%=${ARCH}/%.o)

View File

@@ -1,12 +1,9 @@
/* bspstart.c
*
/*
* This set of routines starts the application. It includes application,
* board, and monitor specific initialization and configuration.
* The generic CPU dependent initialization has been performed
* before any of these are invoked.
*
* Called by RTEMS::RTEMS constructor in rtems-ctor.cc
*
* COPYRIGHT (c) 1989-1998.
* On-Line Applications Research Corporation (OAR).
* Copyright assigned to U.S. Government, 1994.
@@ -41,7 +38,6 @@ extern rtems_configuration_table Configuration;
rtems_configuration_table BSP_Configuration;
rtems_cpu_table Cpu_table;
rtems_unsigned32 bsp_isr_level;
/*
* Tells us where to put the workspace in case remote debugger is present.
@@ -72,9 +68,10 @@ rtems_unsigned32 CPU_SPARC_CLICKS_PER_TICK;
* approximately 5 seconds of wall time.
*/
rtems_extension
fast_idle_switch_hook(rtems_tcb *current_task,
rtems_tcb *heir_task)
rtems_extension fast_idle_switch_hook(
rtems_tcb *current_task,
rtems_tcb *heir_task
)
{
static rtems_unsigned32 normal_clock = ~0;
static rtems_unsigned32 fast_clock;
@@ -101,12 +98,20 @@ fast_idle_switch_hook(rtems_tcb *current_task,
#endif
/*
* bsp_libc_init
* Use the shared implementations of the following routines
*/
void bsp_postdriver_hook(void);
void bsp_libc_init( void *, unsigned32, int );
/*
* bsp_pretasking_hook
*
* Initialize whatever libc we are using called from bsp_postdriver_hook.
* BSP pretasking hook. Called just before drivers are initialized.
* Used to setup libc and install any BSP extensions.
*/
void bsp_libc_init(void)
void bsp_pretasking_hook(void)
{
extern int end;
rtems_unsigned32 heap_start;
@@ -119,38 +124,8 @@ void bsp_libc_init(void)
heap_size = BSP_Configuration.work_space_start - (void *)&end;
heap_size &= 0xfffffff0; /* keep it as a multiple of 16 bytes */
RTEMS_Malloc_Initialize((void *) heap_start, heap_size, 0);
bsp_libc_init((void *) heap_start, heap_size, 0);
/*
* Init the RTEMS libio facility to provide UNIX-like system
* calls for use by newlib (ie: provide __rtems_open, __rtems_close, etc)
* Uses malloc() to get area for the iops, so must be after malloc init
*/
rtems_libio_init();
/*
* Set up for the libc handling.
*/
if (BSP_Configuration.ticks_per_timeslice > 0)
libc_init(1); /* reentrant if possible */
else
libc_init(0); /* non-reentrant */
}
/*
* bsp_pretasking_hook
*
* BSP pretasking hook. Called just before drivers are initialized.
* Used to setup libc and install any BSP extensions.
*/
void bsp_pretasking_hook(void)
{
bsp_libc_init();
#if SIMSPARC_FAST_IDLE
/*
@@ -188,13 +163,6 @@ void bsp_pretasking_hook(void)
}
/*
* Use the shared bsp_postdriver_hook() implementation
*/
void bsp_postdriver_hook(void);
/*
* bsp_start
*