From b8c98837559029b807fc80b54d170b2c3184df1f Mon Sep 17 00:00:00 2001 From: Joel Sherrill Date: Thu, 13 Jan 2000 20:45:07 +0000 Subject: All m68k BSPs now build with new ELF style linkcmds. --- c/src/lib/libbsp/m68k/gen68302/startup/Makefile.in | 4 +-- c/src/lib/libbsp/m68k/gen68302/startup/bspstart.c | 36 ++-------------------- c/src/lib/libbsp/m68k/gen68302/startup/linkcmds | 22 ++++++------- 3 files changed, 15 insertions(+), 47 deletions(-) (limited to 'c/src/lib/libbsp/m68k/gen68302/startup') diff --git a/c/src/lib/libbsp/m68k/gen68302/startup/Makefile.in b/c/src/lib/libbsp/m68k/gen68302/startup/Makefile.in index f4ce788577..a4ed3ac474 100644 --- a/c/src/lib/libbsp/m68k/gen68302/startup/Makefile.in +++ b/c/src/lib/libbsp/m68k/gen68302/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/gen68302/startup/bspstart.c b/c/src/lib/libbsp/m68k/gen68302/startup/bspstart.c index ac7666d1bd..a33ef2bbf8 100644 --- a/c/src/lib/libbsp/m68k/gen68302/startup/bspstart.c +++ b/c/src/lib/libbsp/m68k/gen68302/startup/bspstart.c @@ -39,37 +39,7 @@ char *rtems_progname; void bsp_postdriver_hook(void); void bsp_libc_init( void *, unsigned32, 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 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); - - bsp_libc_init((void *) heap_start, 64 * 1024, 0); - - -#ifdef RTEMS_DEBUG - rtems_debug_enable( RTEMS_DEBUG_ALL_MASK ); -#endif -} +void bsp_pretasking_hook(void); /* m68k version */ /* * bsp_start @@ -79,6 +49,7 @@ void bsp_pretasking_hook(void) void bsp_start( void ) { + extern void *_WorkspaceBase; /* * Allocate the memory for the RTEMS Work Space. This can come from @@ -97,8 +68,7 @@ void bsp_start( void ) * not malloc'ed. It is just "pulled from the air". */ - BSP_Configuration.work_space_start = (void *) - (RAM_END - BSP_Configuration.work_space_size); + BSP_Configuration.work_space_start = (void *) &_WorkspaceBase; /* * initialize the CPU table for this BSP diff --git a/c/src/lib/libbsp/m68k/gen68302/startup/linkcmds b/c/src/lib/libbsp/m68k/gen68302/startup/linkcmds index 2fd0352112..99d0f27cac 100644 --- a/c/src/lib/libbsp/m68k/gen68302/startup/linkcmds +++ b/c/src/lib/libbsp/m68k/gen68302/startup/linkcmds @@ -17,14 +17,17 @@ MEMORY ram : org = 0x0000, l = 16M } +_RamBase = 0; +_RamSize = 16M; + m302 = 0xf7f000; _VBR = 0x000000; /* location of the VBR table (in RAM) */ /* * Declare some sizes. */ -HeapSize = DEFINED(HeapSize) ? HeapSize : 0x10000; -StackSize = DEFINED(StackSize) ? StackSize : 0x1000; +_HeapSize = DEFINED(_HeapSize) ? _HeapSize : 0x10000; +_StackSize = DEFINED(_StackSize) ? _StackSize : 0x1000; SECTIONS { @@ -114,22 +117,17 @@ SECTIONS PROVIDE (_copy_end = .); } >ram .bss : { - 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 } -- cgit v1.2.3