diff options
Diffstat (limited to 'sys/boot/common/load_elf.c')
| -rw-r--r-- | sys/boot/common/load_elf.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/sys/boot/common/load_elf.c b/sys/boot/common/load_elf.c index 3a4152e..4a1896e 100644 --- a/sys/boot/common/load_elf.c +++ b/sys/boot/common/load_elf.c @@ -297,15 +297,16 @@ __elfN(loadimage)(struct preloaded_file *fp, elf_file_t ef, u_int64_t off) * the MI code below uses the p_vaddr fields with an offset added for * loading (doing so is arguably wrong). To make loading work, we need * an offset that represents the difference between physical and virtual - * addressing. ARM kernels are always linked at 0xC0000000. Depending + * addressing. ARM kernels are always linked at 0xCnnnnnnn. Depending * on the headers, the offset value passed in may be physical or virtual * (because it typically comes from e_entry), but we always replace * whatever is passed in with the va<->pa offset. On the other hand, we - * only adjust the entry point if it's a virtual address to begin with. + * always remove the high-order part of the entry address whether it's + * physical or virtual, because it will be adjusted later for the actual + * physical entry point based on where the image gets loaded. */ - off = -0xc0000000u; - if ((ehdr->e_entry & 0xc0000000u) == 0xc0000000u) - ehdr->e_entry += off; + off = -0xc0000000; + ehdr->e_entry &= ~0xf0000000; #ifdef ELF_VERBOSE printf("ehdr->e_entry 0x%08x, va<->pa off %llx\n", ehdr->e_entry, off); #endif |
