Fix alignment fault on ARM when running modules. With out an explicit linker file gcc4.2.1 will half word align __bss_start's value. The word dereference will crash hello_world.
signed-off-by Richard Woodruff r-woodruff2@ti.com
diff --git a/examples/Makefile b/examples/Makefile index d63fa70..60a6f5e 100644 --- a/examples/Makefile +++ b/examples/Makefile @@ -30,8 +30,12 @@ LOAD_ADDR = 0x40000 endif
ifeq ($(ARCH),arm) +ifeq ($(BOARD),omap2420h4) +LOAD_ADDR = 0x80300000 +else LOAD_ADDR = 0xc100000 endif +endif
ifeq ($(ARCH),mips) LOAD_ADDR = 0x80200000 -T mips.lds diff --git a/examples/stubs.c b/examples/stubs.c index 9b3cadd..b9dbcf9 100644 --- a/examples/stubs.c +++ b/examples/stubs.c @@ -190,10 +190,10 @@ extern unsigned long __bss_start, _end;
void app_startup(char **argv) { - unsigned long * cp = &__bss_start; + unsigned char * cp = (unsigned char *) &__bss_start;
/* Zero out BSS */ - while (cp < &_end) { + while (cp < (unsigned char *)&_end) { *cp++ = 0; }