armv7m: Guard against no -kernel argument

A -kernel argument must be specified for this machine. Guard against no -kernel
argument. Previously gave an unhelpful "bad address" error message.

Signed-off-by: Peter A. G. Crosthwaite <peter.crosthwaite@petalogix.com>
Tested-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Peter A. G. Crosthwaite 2012-08-13 11:04:05 +01:00 committed by Peter Maydell
parent 55e00a19b6
commit 01fd41ab3f
1 changed files with 5 additions and 0 deletions

View File

@ -227,6 +227,11 @@ qemu_irq *armv7m_init(MemoryRegion *address_space_mem,
big_endian = 0;
#endif
if (!kernel_filename) {
fprintf(stderr, "Guest image must be specified (using -kernel)\n");
exit(1);
}
image_size = load_elf(kernel_filename, NULL, NULL, &entry, &lowaddr,
NULL, big_endian, ELF_MACHINE, 1);
if (image_size < 0) {