int
ppc64_ofw_elf_exec(struct preloaded_file *fp)
{
struct file_metadata *fmp;
vm_offset_t mdp;
Elf_Ehdr *e;
int error;
intptr_t entry;
if ((fmp = file_findmetadata(fp, MODINFOMD_ELFHDR)) == NULL) {
return(EFTYPE);
}
e = (Elf_Ehdr *)&fmp->md_data;
/* Handle function descriptor */
entry = *(uint64_t *)e->e_entry;
if ((error = md_load64(fp->f_args, &mdp)) != 0)
return (error);
printf("Kernel entry at 0x%lx ...\n", entry);
dev_cleanup();
ofw_release_heap();
OF_chain((void *)reloc, end - (char *)reloc, (void *)entry,
(void *)mdp, sizeof(mdp));
panic("exec returned");
}
static int
beri_elf64_exec(struct preloaded_file *fp)
{
void (*entry)(register_t, register_t, register_t, register_t);
struct file_metadata *md;
vm_offset_t mdp;
Elf_Ehdr *ehdr;
int error;
md = file_findmetadata(fp, MODINFOMD_ELFHDR);
if (md == NULL) {
printf("%s: file_findmetadata failed\n");
return (EFTYPE);
}
ehdr = (Elf_Ehdr *)md->md_data;
error = md_load64(fp->f_args, &mdp);
if (error) {
printf("%s: md_load64 failed\n");
return (error);
}
entry = (void *)ehdr->e_entry;
printf("Kernel entry at %p\n", entry);
dev_cleanup(); /* XXXRW: Required? */
printf("Kernel args: %s\n", fp->f_args);
/*
* Configure bootinfo for the loaded kernel. Some values are
* inherited from the bootinfo passed to us by boot2 (e.g., DTB
* pointer); others are local to the loader (e.g., kernel boot flags).
*/
bzero(&bootinfo, sizeof(bootinfo));
bootinfo.bi_version = BOOTINFO_VERSION;
bootinfo.bi_size = sizeof(bootinfo);
bootinfo.bi_boot2opts = boot2_bootinfo.bi_boot2opts;
/* NB: bi_kernelname used only by boot2. */
/* NB: bi_nfs_diskless not yet. */
bootinfo.bi_dtb = boot2_bootinfo.bi_dtb;
bootinfo.bi_memsize = boot2_bootinfo.bi_memsize;
bootinfo.bi_modulep = mdp;
/*
* Flush the instruction cache before running any instructions from
* the loaded kernel.
*/
beri_icache_sync();
/*
* XXXRW: For now, pass 'memsize' rather than dtb or bootinfo. This
* is the 'old' ABI spoken by Miniboot and the kernel. To pass in
* boot2opts, modules, etc, we will need to fix this to pass in at
* least bootinfop.
*/
(*entry)(boot2_argc, (register_t)boot2_argv, (register_t)boot2_envv,
&bootinfo);
panic("exec returned");
}
int
ppc64_elf_exec(struct preloaded_file *fp)
{
struct file_metadata *fmp;
vm_offset_t mdp;
Elf_Ehdr *e;
int error;
int (*entry)(u_long, u_long, u_long, void *, u_long);
if ((fmp = file_findmetadata(fp, MODINFOMD_ELFHDR)) == NULL) {
return(EFTYPE);
}
e = (Elf_Ehdr *)&fmp->md_data;
/* Handle function descriptor for ELFv1 kernels */
if ((e->e_flags & 3) == 2)
entry = e->e_entry;
else
entry = (void *)(uintptr_t)(*(uint64_t *)e->e_entry);
if ((error = md_load64(fp->f_args, &mdp)) != 0)
return (error);
printf("Kernel entry at %p ...\n", entry);
dev_cleanup();
entry(0 /* FDT */, 0 /* Phys. mem offset */, 0 /* OF entry */,
(void *)mdp, sizeof(mdp));
panic("exec returned");
}
int
ppc64_ofw_elf_exec(struct preloaded_file *fp)
{
struct file_metadata *fmp;
vm_offset_t mdp, dtbp;
Elf_Ehdr *e;
int error;
intptr_t entry;
if ((fmp = file_findmetadata(fp, MODINFOMD_ELFHDR)) == NULL) {
return(EFTYPE);
}
e = (Elf_Ehdr *)&fmp->md_data;
/* Handle function descriptor for ELFv1 kernels */
if ((e->e_flags & 3) == 2)
entry = e->e_entry;
else
entry = *(uint64_t *)e->e_entry;
if ((error = md_load64(fp->f_args, &mdp, &dtbp)) != 0)
return (error);
printf("Kernel entry at 0x%lx ...\n", entry);
dev_cleanup();
ofw_release_heap();
if (dtbp != 0) {
OF_quiesce();
((int (*)(u_long, u_long, u_long, void *, u_long))entry)(dtbp, 0, 0,
mdp, sizeof(mdp));
} else {
OF_chain((void *)reloc, end - (char *)reloc, (void *)entry,
(void *)mdp, sizeof(mdp));
}
panic("exec returned");
}
