On Tue, Nov 20, 2012 at 11:31:38PM -0800, Yinghai Lu wrote:
[..]
> +int bzImage64_probe(const char *buf, off_t len)
> +{
> + const struct x86_linux_header *header;
> + if ((uintmax_t)len < (uintmax_t)(2 * 512)) {
> + if (probe_debug) {
> + fprintf(stderr, "File is too short to be a bzImage!\n");
> + }
> + return -1;
> + }
> + header = (const struct x86_linux_header *)buf;
> + if (memcmp(header->header_magic, "HdrS", 4) != 0) {
> + if (probe_debug) {
> + fprintf(stderr, "Not a bzImage\n");
> + }
> + return -1;
> + }
> + if (header->boot_sector_magic != 0xAA55) {
> + if (probe_debug) {
> + fprintf(stderr, "No x86 boot sector present\n");
> + }
> + /* No x86 boot sector present */
> + return -1;
> + }
> + if (header->protocol_version < 0x020C) {
> + if (probe_debug) {
> + fprintf(stderr, "Must be at least protocol version
> 2.12\n");
> + }
> + /* Must be at least protocol version 2.12 */
> + return -1;
> + }
> + if ((header->loadflags & 1) == 0) {
> + if (probe_debug) {
> + fprintf(stderr, "zImage not a bzImage\n");
> + }
> + /* Not a bzImage */
> + return -1;
> + }
> + if (!(header->xloadflags & 1)) {
> + if (probe_debug) {
> + fprintf(stderr, "Not a bzImage64\n");
> + }
> + /* Must be LOADED_ABOVE_4G */
> + return -1;
> + }
So how do I force a 16bit or 32bit entry using a bzImage64?
Thanks
Vivek
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