diff options
author | Joel Sherrill <joel.sherrill@OARcorp.com> | 2008-09-14 21:44:01 +0000 |
---|---|---|
committer | Joel Sherrill <joel.sherrill@OARcorp.com> | 2008-09-14 21:44:01 +0000 |
commit | e95cf8c9d598677c79ae50dc814bab2fb6fade33 (patch) | |
tree | e1c11661993d14bdd7054fb939d80ab22075f013 | |
parent | 2008-09-14 Joel Sherrill <joel.sherrill@oarcorp.com> (diff) | |
download | rtems-e95cf8c9d598677c79ae50dc814bab2fb6fade33.tar.bz2 |
2008-09-14 Joel Sherrill <joel.sherrill@oarcorp.com>
* Makefile.am, configure.ac, startup/bspstart.c: Create
bsp_get_work_area() into its own file and use BSP Framework to
perform more initialization.
* startup/bspgetworkarea.c: New file.
-rw-r--r-- | c/src/lib/libbsp/mips/rbtx4925/ChangeLog | 7 | ||||
-rw-r--r-- | c/src/lib/libbsp/mips/rbtx4925/Makefile.am | 1 | ||||
-rw-r--r-- | c/src/lib/libbsp/mips/rbtx4925/configure.ac | 2 | ||||
-rw-r--r-- | c/src/lib/libbsp/mips/rbtx4925/startup/bspgetworkarea.c | 38 | ||||
-rw-r--r-- | c/src/lib/libbsp/mips/rbtx4925/startup/bspstart.c | 43 |
5 files changed, 48 insertions, 43 deletions
diff --git a/c/src/lib/libbsp/mips/rbtx4925/ChangeLog b/c/src/lib/libbsp/mips/rbtx4925/ChangeLog index 1fdcae1882..37e60e329e 100644 --- a/c/src/lib/libbsp/mips/rbtx4925/ChangeLog +++ b/c/src/lib/libbsp/mips/rbtx4925/ChangeLog @@ -1,3 +1,10 @@ +2008-09-14 Joel Sherrill <joel.sherrill@oarcorp.com> + + * Makefile.am, configure.ac, startup/bspstart.c: Create + bsp_get_work_area() into its own file and use BSP Framework to + perform more initialization. + * startup/bspgetworkarea.c: New file. + 2008-09-10 Joel Sherrill <joel.sherrill@oarcorp.com> * include/bsp.h: Review of all bsp_cleanup() implementations. In this diff --git a/c/src/lib/libbsp/mips/rbtx4925/Makefile.am b/c/src/lib/libbsp/mips/rbtx4925/Makefile.am index 0d0c40f669..0a0a88e02c 100644 --- a/c/src/lib/libbsp/mips/rbtx4925/Makefile.am +++ b/c/src/lib/libbsp/mips/rbtx4925/Makefile.am @@ -28,6 +28,7 @@ project_lib_DATA = start.$(OBJEXT) dist_project_lib_DATA += startup/linkcmds startup_SOURCES = ../../shared/bspclean.c ../../shared/bsppredriverhook.c \ + ../../shared/bsppretaskinghook.c startup/bspgetworkarea.c \ ../../shared/bsplibc.c ../../shared/bsppost.c startup/bspstart.c \ ../../shared/bootcard.c ../../shared/sbrk.c \ ../../shared/gnatinstallhandler.c ../../shared/setvec.c \ diff --git a/c/src/lib/libbsp/mips/rbtx4925/configure.ac b/c/src/lib/libbsp/mips/rbtx4925/configure.ac index 0c89e8acf4..33a0b38aa9 100644 --- a/c/src/lib/libbsp/mips/rbtx4925/configure.ac +++ b/c/src/lib/libbsp/mips/rbtx4925/configure.ac @@ -16,6 +16,8 @@ RTEMS_PROG_CC_FOR_TARGET([-ansi -fasm]) RTEMS_CANONICALIZE_TOOLS RTEMS_PROG_CCAS +RTEMS_BSP_BOOTCARD_HANDLES_RAM_ALLOCATION + # Explicitly list all Makefiles here AC_CONFIG_FILES([Makefile]) AC_OUTPUT diff --git a/c/src/lib/libbsp/mips/rbtx4925/startup/bspgetworkarea.c b/c/src/lib/libbsp/mips/rbtx4925/startup/bspgetworkarea.c new file mode 100644 index 0000000000..6ce807ccf1 --- /dev/null +++ b/c/src/lib/libbsp/mips/rbtx4925/startup/bspgetworkarea.c @@ -0,0 +1,38 @@ +/* + * The license and distribution terms for this file may be + * found in the file LICENSE in this distribution or at + * http://www.rtems.com/license/LICENSE. + * + * $Id$ + */ + +#include <bsp.h> +#include <bsp/bootcard.h> +#include <stdint.h> + +extern void *_RamBase; +extern void *_RamSize; +extern void *end; + +/* + * This method returns the base address and size of the area which + * is to be allocated between the RTEMS Workspace and the C Program + * Heap. + */ +void bsp_get_work_area( + void **work_area_start, + size_t *work_area_size, + void **heap_start, + size_t *heap_size +) +{ + uintptr_t size; + + size = (uintptr_t)&_RamBase + (uintptr_t)&_RamSize - (uintptr_t)&end; + + *work_area_start = (void *)&end; + *work_area_size = size; + *heap_start = BSP_BOOTCARD_HEAP_USES_WORK_AREA; + *heap_size = BSP_BOOTCARD_HEAP_SIZE_DEFAULT; +} + diff --git a/c/src/lib/libbsp/mips/rbtx4925/startup/bspstart.c b/c/src/lib/libbsp/mips/rbtx4925/startup/bspstart.c index 78447b3c64..dce89f1e5d 100644 --- a/c/src/lib/libbsp/mips/rbtx4925/startup/bspstart.c +++ b/c/src/lib/libbsp/mips/rbtx4925/startup/bspstart.c @@ -18,59 +18,16 @@ #include <bsp.h> #include <rtems/libio.h> -#include <rtems/libcsupport.h> - -#define LIBC_HEAP_SIZE (64 * 1024) - -extern int end; /* defined by linker */ - -/* - * Use the shared implementations of the following routines - */ - -void bsp_libc_init( void *, uint32_t, int ); - -void init_exc_vecs(void); - -/* - * 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) -{ - uint32_t heap_start; - - heap_start = (uint32_t) &end; - if (heap_start & (CPU_ALIGNMENT-1)) - heap_start = (heap_start + CPU_ALIGNMENT) & ~(CPU_ALIGNMENT-1); - - bsp_libc_init((void *) heap_start, LIBC_HEAP_SIZE, 0); -} /* * bsp_start * * This routine does the bulk of the system initialization. */ - void bsp_start( void ) { - extern int WorkspaceBase; extern void mips_install_isr_entries(void); - Configuration.work_space_start = - (void *)((uint64_t)((&end) + LIBC_HEAP_SIZE + 0x100) & ~0x7); - mips_install_isr_entries(); /* Install generic MIPS exception handler */ } |