diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/hw/elf_ops.h | 22 | ||||
| -rw-r--r-- | include/hw/loader.h | 5 |
2 files changed, 25 insertions, 2 deletions
diff --git a/include/hw/elf_ops.h b/include/hw/elf_ops.h index 0010c44..f510e7e 100644 --- a/include/hw/elf_ops.h +++ b/include/hw/elf_ops.h @@ -263,7 +263,7 @@ static int glue(load_elf, SZ)(const char *name, int fd, void *translate_opaque, int must_swab, uint64_t *pentry, uint64_t *lowaddr, uint64_t *highaddr, - int elf_machine, int clear_lsb) + int elf_machine, int clear_lsb, int data_swab) { struct elfhdr ehdr; struct elf_phdr *phdr = NULL, *ph; @@ -366,6 +366,26 @@ static int glue(load_elf, SZ)(const char *name, int fd, addr = ph->p_paddr; } + if (data_swab) { + int j; + for (j = 0; j < file_size; j += (1 << data_swab)) { + uint8_t *dp = data + j; + switch (data_swab) { + case (1): + *(uint16_t *)dp = bswap16(*(uint16_t *)dp); + break; + case (2): + *(uint32_t *)dp = bswap32(*(uint32_t *)dp); + break; + case (3): + *(uint64_t *)dp = bswap64(*(uint64_t *)dp); + break; + default: + g_assert_not_reached(); + } + } + } + /* the entry pointer in the ELF header is a virtual * address, if the text segments paddr and vaddr differ * we need to adjust the entry */ diff --git a/include/hw/loader.h b/include/hw/loader.h index 5485906..0ba7808 100644 --- a/include/hw/loader.h +++ b/include/hw/loader.h @@ -56,6 +56,9 @@ const char *load_elf_strerror(int error); * @elf_machine: Expected ELF machine type * @clear_lsb: Set to mask off LSB of addresses (Some architectures use * this for non-address data) + * @data_swab: Set to order of byte swapping for data. 0 for no swap, 1 + * for swapping bytes within halfwords, 2 for bytes within + * words and 3 for within doublewords. * * Load an ELF file's contents to the emulated system's address space. * Clients may optionally specify a callback to perform address @@ -70,7 +73,7 @@ const char *load_elf_strerror(int error); int load_elf(const char *filename, uint64_t (*translate_fn)(void *, uint64_t), void *translate_opaque, uint64_t *pentry, uint64_t *lowaddr, uint64_t *highaddr, int big_endian, int elf_machine, - int clear_lsb); + int clear_lsb, int data_swab); /** load_elf_hdr: * @filename: Path of ELF file |
