/*
* There is an ELF kernel and one or more ELF modules loaded.
* We wish to start executing the kernel image, so make such
* preparations as are required, and do so.
*/
static int
elf32_exec(struct preloaded_file *fp)
{
struct file_metadata *md;
Elf_Ehdr *ehdr;
vm_offset_t entry, bootinfop, modulep, kernend;
int boothowto, err, bootdev;
if ((md = file_findmetadata(fp, MODINFOMD_ELFHDR)) == NULL)
return(EFTYPE);
ehdr = (Elf_Ehdr *)&(md->md_data);
err = bi_load32(fp->f_args, &boothowto, &bootdev, &bootinfop, &modulep, &kernend);
if (err != 0)
return(err);
entry = ehdr->e_entry & 0xffffff;
#ifdef DEBUG
printf("Start @ 0x%lx ...\n", entry);
#endif
dev_cleanup();
__exec((void *)entry, boothowto, bootdev, 0, 0, 0, bootinfop, modulep, kernend);
panic("exec returned");
}
/*
* There is an ELF kernel and one or more ELF modules loaded.
* We wish to start executing the kernel image, so make such
* preparations as are required, and do so.
*/
static int
elf32_exec(struct preloaded_file *fp)
{
struct file_metadata *md;
Elf_Ehdr *ehdr;
vm_offset_t entry, bootinfop, modulep, kernend;
int boothowto, err, bootdev;
uint32_t stack[1024];
if ((md = file_findmetadata(fp, MODINFOMD_ELFHDR)) == NULL)
return(EFTYPE);
ehdr = (Elf_Ehdr *)&(md->md_data);
err = bi_load32(fp->f_args, &boothowto, &bootdev, &bootinfop, &modulep, &kernend);
if (err != 0)
return(err);
entry = ehdr->e_entry & 0xffffff;
#ifdef DEBUG
printf("Start @ 0x%lx ...\n", entry);
#endif
dev_cleanup();
/*
* Build a scratch stack at physical 0x1000
*/
stack[0] = boothowto;
stack[1] = bootdev;
stack[2] = 0;
stack[3] = 0;
stack[4] = 0;
stack[5] = bootinfop;
stack[6] = modulep;
stack[7] = kernend;
CALLBACK(copyin, stack, 0x1000, sizeof(stack));
CALLBACK(setreg, 4, 0x1000);
CALLBACK(exec, entry);
panic("exec returned");
}
