diff options
Diffstat (limited to 'hw/magic-load.c')
| -rw-r--r-- | hw/magic-load.c | 201 |
1 files changed, 0 insertions, 201 deletions
diff --git a/hw/magic-load.c b/hw/magic-load.c deleted file mode 100644 index d5c098fb42..0000000000 --- a/hw/magic-load.c +++ /dev/null @@ -1,201 +0,0 @@ -#include "vl.h" -#include "disas.h" -#include "exec-all.h" - -struct exec -{ - uint32_t a_info; /* Use macros N_MAGIC, etc for access */ - uint32_t a_text; /* length of text, in bytes */ - uint32_t a_data; /* length of data, in bytes */ - uint32_t a_bss; /* length of uninitialized data area, in bytes */ - uint32_t a_syms; /* length of symbol table data in file, in bytes */ - uint32_t a_entry; /* start address */ - uint32_t a_trsize; /* length of relocation info for text, in bytes */ - uint32_t a_drsize; /* length of relocation info for data, in bytes */ -}; - -#ifdef BSWAP_NEEDED -static void bswap_ahdr(struct exec *e) -{ - bswap32s(&e->a_info); - bswap32s(&e->a_text); - bswap32s(&e->a_data); - bswap32s(&e->a_bss); - bswap32s(&e->a_syms); - bswap32s(&e->a_entry); - bswap32s(&e->a_trsize); - bswap32s(&e->a_drsize); -} -#else -#define bswap_ahdr(x) do { } while (0) -#endif - -#define N_MAGIC(exec) ((exec).a_info & 0xffff) -#define OMAGIC 0407 -#define NMAGIC 0410 -#define ZMAGIC 0413 -#define QMAGIC 0314 -#define _N_HDROFF(x) (1024 - sizeof (struct exec)) -#define N_TXTOFF(x) \ - (N_MAGIC(x) == ZMAGIC ? _N_HDROFF((x)) + sizeof (struct exec) : \ - (N_MAGIC(x) == QMAGIC ? 0 : sizeof (struct exec))) -#define N_TXTADDR(x) (N_MAGIC(x) == QMAGIC ? TARGET_PAGE_SIZE : 0) -#define N_DATOFF(x) (N_TXTOFF(x) + (x).a_text) -#define _N_SEGMENT_ROUND(x) (((x) + TARGET_PAGE_SIZE - 1) & ~(TARGET_PAGE_SIZE - 1)) - -#define _N_TXTENDADDR(x) (N_TXTADDR(x)+(x).a_text) - -#define N_DATADDR(x) \ - (N_MAGIC(x)==OMAGIC? (_N_TXTENDADDR(x)) \ - : (_N_SEGMENT_ROUND (_N_TXTENDADDR(x)))) - - -#define ELF_CLASS ELFCLASS32 -#define ELF_DATA ELFDATA2MSB -#define ELF_ARCH EM_SPARC - -#include "elf.h" - -#ifndef BSWAP_NEEDED -#define bswap_ehdr32(e) do { } while (0) -#define bswap_phdr32(e) do { } while (0) -#define bswap_shdr32(e) do { } while (0) -#define bswap_sym32(e) do { } while (0) -#ifdef TARGET_SPARC64 -#define bswap_ehdr64(e) do { } while (0) -#define bswap_phdr64(e) do { } while (0) -#define bswap_shdr64(e) do { } while (0) -#define bswap_sym64(e) do { } while (0) -#endif -#endif - -#define SZ 32 -#define elf_word uint32_t -#define bswapSZs bswap32s -#include "elf_ops.h" - -#ifdef TARGET_SPARC64 -#undef elfhdr -#undef elf_phdr -#undef elf_shdr -#undef elf_sym -#undef elf_note -#undef elf_word -#undef bswapSZs -#undef SZ -#define elfhdr elf64_hdr -#define elf_phdr elf64_phdr -#define elf_note elf64_note -#define elf_shdr elf64_shdr -#define elf_sym elf64_sym -#define elf_word uint64_t -#define bswapSZs bswap64s -#define SZ 64 -#include "elf_ops.h" -#endif - -int load_elf(const char *filename, uint8_t *addr) -{ - struct elf32_hdr ehdr; - int retval, fd; - Elf32_Half machine; - - fd = open(filename, O_RDONLY | O_BINARY); - if (fd < 0) - goto error; - - retval = read(fd, &ehdr, sizeof(ehdr)); - if (retval < 0) - goto error; - - if (ehdr.e_ident[0] != 0x7f || ehdr.e_ident[1] != 'E' - || ehdr.e_ident[2] != 'L' || ehdr.e_ident[3] != 'F') - goto error; - machine = tswap16(ehdr.e_machine); - if (machine == EM_SPARC || machine == EM_SPARC32PLUS) { - struct elf32_phdr phdr; - - bswap_ehdr32(&ehdr); - - if (find_phdr32(&ehdr, fd, &phdr, PT_LOAD)) - goto error; - retval = read_program32(fd, &phdr, addr, ehdr.e_entry); - if (retval < 0) - goto error; - load_symbols32(&ehdr, fd); - } -#ifdef TARGET_SPARC64 - else if (machine == EM_SPARCV9) { - struct elf64_hdr ehdr64; - struct elf64_phdr phdr; - - lseek(fd, 0, SEEK_SET); - - retval = read(fd, &ehdr64, sizeof(ehdr64)); - if (retval < 0) - goto error; - - bswap_ehdr64(&ehdr64); - - if (find_phdr64(&ehdr64, fd, &phdr, PT_LOAD)) - goto error; - retval = read_program64(fd, &phdr, phys_ram_base + ehdr64.e_entry, ehdr64.e_entry); - if (retval < 0) - goto error; - load_symbols64(&ehdr64, fd); - } -#endif - - close(fd); - return retval; - error: - close(fd); - return -1; -} - -int load_aout(const char *filename, uint8_t *addr) -{ - int fd, size, ret; - struct exec e; - uint32_t magic; - - fd = open(filename, O_RDONLY | O_BINARY); - if (fd < 0) - return -1; - - size = read(fd, &e, sizeof(e)); - if (size < 0) - goto fail; - - bswap_ahdr(&e); - - magic = N_MAGIC(e); - switch (magic) { - case ZMAGIC: - case QMAGIC: - case OMAGIC: - lseek(fd, N_TXTOFF(e), SEEK_SET); - size = read(fd, addr, e.a_text + e.a_data); - if (size < 0) - goto fail; - break; - case NMAGIC: - lseek(fd, N_TXTOFF(e), SEEK_SET); - size = read(fd, addr, e.a_text); - if (size < 0) - goto fail; - ret = read(fd, addr + N_DATADDR(e), e.a_data); - if (ret < 0) - goto fail; - size += ret; - break; - default: - goto fail; - } - close(fd); - return size; - fail: - close(fd); - return -1; -} - |