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2008-09-18 Joel Sherrill <joel.sherrill@oarcorp.com>

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* Makefile.am, configure.ac, startup/bspstart.c, startup/linkcmds: Use
	top level shared bsp_get_work_area() implementation.
This commit is contained in:
Joel Sherrill
2008-09-18 20:43:07 +00:00
parent 3a261b9b6d
commit 17d9f5f9fa
5 changed files with 18 additions and 74 deletions
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5
c/src/lib/libbsp/i386/ts_386ex/ChangeLog
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@@ -1,3 +1,8 @@
2008-09-18 Joel Sherrill <joel.sherrill@oarcorp.com>
* Makefile.am, configure.ac, startup/bspstart.c, startup/linkcmds: Use
top level shared bsp_get_work_area() implementation.
2008-09-18 Joel Sherrill <joel.sherrill@oarcorp.com>
* include/bsp.h: Remove unnecessary variables and EXTERN magic.

3
c/src/lib/libbsp/i386/ts_386ex/Makefile.am
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@@ -39,7 +39,8 @@ dist_project_lib_DATA += startup/linkcmds
include_HEADERS += ../../i386/shared/comm/uart.h
startup_SOURCES = ../../shared/bspclean.c ../../shared/bsplibc.c \
../../shared/bsppredriverhook.c \
../../shared/bsppredriverhook.c ../../shared/bsppretaskinghook.c \
../../shared/bspgetworkarea.c \
../../shared/bsppost.c startup/bspstart.c ../../shared/bootcard.c \
../../shared/sbrk.c ../../i386/shared/irq/idt.c \
../../i386/shared/irq/irq.c ../../i386/shared/irq/irq_init.c \

2
c/src/lib/libbsp/i386/ts_386ex/configure.ac
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@@ -40,6 +40,8 @@ RTEMS_BSPOPTS_SET([UARTDEBUG],[*],[])
RTEMS_BSPOPTS_HELP([UARTDEBUG],
[Enables some debugging in the BSP's uart.])
RTEMS_BSP_BOOTCARD_HANDLES_RAM_ALLOCATION
# Explicitly list all Makefiles here
AC_CONFIG_FILES([Makefile])
AC_OUTPUT

74
c/src/lib/libbsp/i386/ts_386ex/startup/bspstart.c
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@@ -4,7 +4,7 @@
* The generic CPU dependent initialization has been performed
* before this routine is invoked.
*
* COPYRIGHT (c) 1989-1999.
* COPYRIGHT (c) 1989-2008.
* On-Line Applications Research Corporation (OAR).
*
* The license and distribution terms for this file may be
@@ -20,64 +20,17 @@
* $Id$
*/
void bsp_clean_up(void);
#include <bsp.h>
/*
* Tells us where to put the workspace in case remote debugger is present.
*/
extern uint32_t rdb_start;
/*
* Use the shared implementations of the following routines
*/
void bsp_libc_init( void *, uint32_t, int );
/*
* Function: bsp_pretasking_hook
* Created: 95/03/10
*
* Description:
* BSP pretasking hook. Called just before drivers are initialized.
* Used to setup libc and install any BSP extensions.
*
* NOTES:
* Must not use libc (to do io) from here, since drivers are
* not yet initialized.
*
*/
void bsp_pretasking_hook(void)
{
extern int heap_bottom;
uint32_t heap_start;
uint32_t heap_size;
heap_start = (uint32_t) &heap_bottom;
if (heap_start & (CPU_ALIGNMENT-1))
heap_start = (heap_start + CPU_ALIGNMENT) & ~(CPU_ALIGNMENT-1);
heap_size = Configuration.work_space_start -(void *) heap_start ;
heap_size &= 0xfffffff0; /* keep it as a multiple of 16 bytes */
bsp_libc_init((void *) heap_start, heap_size, 0);
}
extern void rtems_irq_mngt_init(void);
/*
* bsp_start
*
* This routine does the bulk of the system initialization.
*/
void bsp_start( void )
{
extern void rtems_irq_mngt_init(void);
Configuration.work_space_start = (void *)
RAM_END - rtems_configuration_get_work_space_size();
/*
* Init rtems_interrupt_management
@@ -88,27 +41,4 @@ void bsp_start( void )
* Init rtems exceptions management
*/
rtems_exception_init_mngt();
/*
* The following information is very useful when debugging.
*/
#ifdef BSP_DEBUG
printk( "RAM_START = 0x%x\nRAM_END = 0x%x\n", RAM_START, RAM_END );
printk( "work_space_start = 0x%x\n",
Configuration.work_space_start );
printk( "work_space_size = 0x%x\n",
rtems_configuration_get_work_space_size() );
printk( "microseconds_per_tick = 0x%x\n",
rtems_configuration_get_microseconds_per_tick() );
printk( "ticks_per_timeslice = 0x%x\n",
rtems_configuration_get_ticks_per_timeslice() );
/* printk( "_heap_size = 0x%x\n", _heap_size );
printk( "_stack_size = 0x%x\n", _stack_size ); */
#endif
}
void bsp_clean_up(void) {
printk("bsp_cleanup called\n");
}

8
c/src/lib/libbsp/i386/ts_386ex/startup/linkcmds
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@@ -19,7 +19,11 @@
* 0x0100000 -> 0x0200000 : bss section, stack space, heap storage
*/
ENTRY(_init_i386ex) ;
RamBase = DEFINED(RamBase) ? RamBase : 0x00100000;
RamSize = DEFINED(RamSize) ? RamSize : 512K;
HeapSize = DEFINED(HeapSize) ? HeapSize : 0x0;
ENTRY(_init_i386ex);
SECTIONS
{
@@ -169,6 +173,8 @@ SECTIONS
stack_size = 0x8000 ;
stack_origin = _ebss + stack_size ;
heap_bottom = stack_origin + 4 ;
. = ALIGN(0x10);
WorkAreaBase = .;