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authorJoel Sherrill <joel.sherrill@OARcorp.com>2000-01-13 20:45:07 +0000
committerJoel Sherrill <joel.sherrill@OARcorp.com>2000-01-13 20:45:07 +0000
commitb8c98837559029b807fc80b54d170b2c3184df1f (patch)
tree8ebc7a418213c792f6f6bc0c46daff05d5b56c12 /c/src/lib/libbsp/m68k/idp/startup
parentPOSIX message queues now include complete functionality including (diff)
downloadrtems-b8c98837559029b807fc80b54d170b2c3184df1f.tar.bz2
All m68k BSPs now build with new ELF style linkcmds.
Diffstat (limited to 'c/src/lib/libbsp/m68k/idp/startup')
-rw-r--r--c/src/lib/libbsp/m68k/idp/startup/Makefile.in4
-rw-r--r--c/src/lib/libbsp/m68k/idp/startup/bspstart.c36
-rw-r--r--c/src/lib/libbsp/m68k/idp/startup/linkcmds22
3 files changed, 14 insertions, 48 deletions
diff --git a/c/src/lib/libbsp/m68k/idp/startup/Makefile.in b/c/src/lib/libbsp/m68k/idp/startup/Makefile.in
index f4ce788577..a4ed3ac474 100644
--- a/c/src/lib/libbsp/m68k/idp/startup/Makefile.in
+++ b/c/src/lib/libbsp/m68k/idp/startup/Makefile.in
@@ -16,8 +16,8 @@ VPATH = @srcdir@:@srcdir@/../../shared:@srcdir@/../../../shared
PGM = ${ARCH}/startup.rel
# C source names, if any, go here -- minus the .c
-C_PIECES = bspclean bsplibc bsppost bspstart bootcard main sbrk setvec \
- gnatinstallhandler
+C_PIECES = bspclean bsplibc bsppost bspstart bootcard m68kpretaskinghook \
+ main sbrk setvec gnatinstallhandler
C_FILES = $(C_PIECES:%=%.c)
C_O_FILES = $(C_PIECES:%=${ARCH}/%.o)
diff --git a/c/src/lib/libbsp/m68k/idp/startup/bspstart.c b/c/src/lib/libbsp/m68k/idp/startup/bspstart.c
index d67cb92225..877fd1d053 100644
--- a/c/src/lib/libbsp/m68k/idp/startup/bspstart.c
+++ b/c/src/lib/libbsp/m68k/idp/startup/bspstart.c
@@ -46,39 +46,9 @@ char *rtems_progname;
void bsp_postdriver_hook(void);
void bsp_libc_init( void *, unsigned32, int );
+void bsp_pretasking_hook(void); /* m68k version */
/*
- * 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 _end;
- rtems_unsigned32 heap_start;
-
- heap_start = (rtems_unsigned32) &_end;
- if (heap_start & (CPU_ALIGNMENT-1))
- heap_start = (heap_start + CPU_ALIGNMENT) & ~(CPU_ALIGNMENT-1);
-
- /* Create 64 KByte memory region for RTEMS executive */
- bsp_libc_init((void *) heap_start, 64 * 1024, 0);
-
-#ifdef RTEMS_DEBUG
- rtems_debug_enable( RTEMS_DEBUG_ALL_MASK );
-#endif
-}
-
-/*
* bsp_start
*
* This routine does the bulk of the system initialization.
@@ -88,6 +58,7 @@ void bsp_start( void )
{
m68k_isr_entry *monitors_vector_table;
int index;
+ extern void *_WorkspaceBase;
duart_base = (unsigned char *)DUART_ADDR;
@@ -126,8 +97,7 @@ void bsp_start( void )
Cpu_table.interrupt_vector_table = (m68k_isr_entry *) &M68Kvec;
Cpu_table.interrupt_stack_size = 4096;
- BSP_Configuration.work_space_start = (void *)
- (RAM_END - BSP_Configuration.work_space_size);
+ BSP_Configuration.work_space_start = (void *) &_WorkspaceBase;
/* led_putnum('e'); * for debugging purposes only */
diff --git a/c/src/lib/libbsp/m68k/idp/startup/linkcmds b/c/src/lib/libbsp/m68k/idp/startup/linkcmds
index d676f6589d..9eadcedcda 100644
--- a/c/src/lib/libbsp/m68k/idp/startup/linkcmds
+++ b/c/src/lib/libbsp/m68k/idp/startup/linkcmds
@@ -20,8 +20,10 @@ MEMORY
/*
* Declare some sizes.
*/
-HeapSize = DEFINED(HeapSize) ? HeapSize : 0x10000;
-StackSize = DEFINED(StackSize) ? StackSize : 0x1000;
+_RamBase = 0x0;
+_RamSize = DEFINED(_RamSize) ? _RamSize : 2M;
+_HeapSize = DEFINED(_HeapSize) ? _HeapSize : 0x10000;
+_StackSize = DEFINED(_StackSize) ? _StackSize : 0x1000;
SECTIONS
{
@@ -111,23 +113,17 @@ SECTIONS
PROVIDE (_copy_end = .);
} >ram
.bss : {
- PROVIDE (_bss_start = .);
- PROVIDE (_clear_start = .);
+ _clear_start = .;
*(.bss)
*(COMMON)
. = ALIGN (16);
PROVIDE (end = .);
- . += StackSize;
- PROVIDE (_stack_init = .);
-
+ . += _StackSize;
. = ALIGN (16);
- PROVIDE (_HeapStart = .);
- . += HeapSize;
- PROVIDE (_HeapEnd = .);
-
- PROVIDE (_clear_end = .);
+ _stack_init = .;
+ _clear_end = .;
- PROVIDE (_WorkspaceBase = .);
+ _WorkspaceBase = .;
} >ram
}