diff options
Diffstat (limited to 'hw')
| -rw-r--r-- | hw/elf_ops.h | 218 | ||||
| -rw-r--r-- | hw/magic-load.c | 201 | ||||
| -rw-r--r-- | hw/sun4m.c | 10 | ||||
| -rw-r--r-- | hw/sun4u.c | 11 |
4 files changed, 13 insertions, 427 deletions
diff --git a/hw/elf_ops.h b/hw/elf_ops.h deleted file mode 100644 index 1f3232d47..000000000 --- a/hw/elf_ops.h +++ /dev/null @@ -1,218 +0,0 @@ -#ifdef BSWAP_NEEDED -static void glue(bswap_ehdr, SZ)(struct elfhdr *ehdr) -{ - bswap16s(&ehdr->e_type); /* Object file type */ - bswap16s(&ehdr->e_machine); /* Architecture */ - bswap32s(&ehdr->e_version); /* Object file version */ - bswapSZs(&ehdr->e_entry); /* Entry point virtual address */ - bswapSZs(&ehdr->e_phoff); /* Program header table file offset */ - bswapSZs(&ehdr->e_shoff); /* Section header table file offset */ - bswap32s(&ehdr->e_flags); /* Processor-specific flags */ - bswap16s(&ehdr->e_ehsize); /* ELF header size in bytes */ - bswap16s(&ehdr->e_phentsize); /* Program header table entry size */ - bswap16s(&ehdr->e_phnum); /* Program header table entry count */ - bswap16s(&ehdr->e_shentsize); /* Section header table entry size */ - bswap16s(&ehdr->e_shnum); /* Section header table entry count */ - bswap16s(&ehdr->e_shstrndx); /* Section header string table index */ -} - -static void glue(bswap_phdr, SZ)(struct elf_phdr *phdr) -{ - bswap32s(&phdr->p_type); /* Segment type */ - bswapSZs(&phdr->p_offset); /* Segment file offset */ - bswapSZs(&phdr->p_vaddr); /* Segment virtual address */ - bswapSZs(&phdr->p_paddr); /* Segment physical address */ - bswapSZs(&phdr->p_filesz); /* Segment size in file */ - bswapSZs(&phdr->p_memsz); /* Segment size in memory */ - bswap32s(&phdr->p_flags); /* Segment flags */ - bswapSZs(&phdr->p_align); /* Segment alignment */ -} - -static void glue(bswap_shdr, SZ)(struct elf_shdr *shdr) -{ - bswap32s(&shdr->sh_name); - bswap32s(&shdr->sh_type); - bswapSZs(&shdr->sh_flags); - bswapSZs(&shdr->sh_addr); - bswapSZs(&shdr->sh_offset); - bswapSZs(&shdr->sh_size); - bswap32s(&shdr->sh_link); - bswap32s(&shdr->sh_info); - bswapSZs(&shdr->sh_addralign); - bswapSZs(&shdr->sh_entsize); -} - -static void glue(bswap_sym, SZ)(struct elf_sym *sym) -{ - bswap32s(&sym->st_name); - bswapSZs(&sym->st_value); - bswapSZs(&sym->st_size); - bswap16s(&sym->st_shndx); -} -#endif - -static int glue(find_phdr, SZ)(struct elfhdr *ehdr, int fd, struct elf_phdr *phdr, elf_word type) -{ - int i, retval; - - retval = lseek(fd, ehdr->e_phoff, SEEK_SET); - if (retval < 0) - return -1; - - for (i = 0; i < ehdr->e_phnum; i++) { - retval = read(fd, phdr, sizeof(*phdr)); - if (retval < 0) - return -1; - glue(bswap_phdr, SZ)(phdr); - if (phdr->p_type == type) - return 0; - } - return -1; -} - -static void * glue(find_shdr, SZ)(struct elfhdr *ehdr, int fd, struct elf_shdr *shdr, elf_word type) -{ - int i, retval; - - retval = lseek(fd, ehdr->e_shoff, SEEK_SET); - if (retval < 0) - return NULL; - - for (i = 0; i < ehdr->e_shnum; i++) { - retval = read(fd, shdr, sizeof(*shdr)); - if (retval < 0) - return NULL; - glue(bswap_shdr, SZ)(shdr); - if (shdr->sh_type == type) - return qemu_malloc(shdr->sh_size); - } - return NULL; -} - -static void * glue(find_strtab, SZ)(struct elfhdr *ehdr, int fd, struct elf_shdr *shdr, struct elf_shdr *symtab) -{ - int retval; - - retval = lseek(fd, ehdr->e_shoff + sizeof(struct elf_shdr) * symtab->sh_link, SEEK_SET); - if (retval < 0) - return NULL; - - retval = read(fd, shdr, sizeof(*shdr)); - if (retval < 0) - return NULL; - glue(bswap_shdr, SZ)(shdr); - if (shdr->sh_type == SHT_STRTAB) - return qemu_malloc(shdr->sh_size);; - return NULL; -} - -static int glue(read_program, SZ)(int fd, struct elf_phdr *phdr, void *dst, elf_word entry) -{ - int retval; - retval = lseek(fd, phdr->p_offset + entry - phdr->p_vaddr, SEEK_SET); - if (retval < 0) - return -1; - return read(fd, dst, phdr->p_filesz); -} - -static int glue(read_section, SZ)(int fd, struct elf_shdr *s, void *dst) -{ - int retval; - - retval = lseek(fd, s->sh_offset, SEEK_SET); - if (retval < 0) - return -1; - retval = read(fd, dst, s->sh_size); - if (retval < 0) - return -1; - return 0; -} - -static void * glue(process_section, SZ)(struct elfhdr *ehdr, int fd, struct elf_shdr *shdr, elf_word type) -{ - void *dst; - - dst = glue(find_shdr, SZ)(ehdr, fd, shdr, type); - if (!dst) - goto error; - - if (glue(read_section, SZ)(fd, shdr, dst)) - goto error; - return dst; - error: - qemu_free(dst); - return NULL; -} - -static void * glue(process_strtab, SZ)(struct elfhdr *ehdr, int fd, struct elf_shdr *shdr, struct elf_shdr *symtab) -{ - void *dst; - - dst = glue(find_strtab, SZ)(ehdr, fd, shdr, symtab); - if (!dst) - goto error; - - if (glue(read_section, SZ)(fd, shdr, dst)) - goto error; - return dst; - error: - qemu_free(dst); - return NULL; -} - -static void glue(load_symbols, SZ)(struct elfhdr *ehdr, int fd) -{ - struct elf_shdr symtab, strtab; - struct elf_sym *syms; -#if (SZ == 64) - struct elf32_sym *syms32; -#endif - struct syminfo *s; - int nsyms, i; - char *str; - - /* Symbol table */ - syms = glue(process_section, SZ)(ehdr, fd, &symtab, SHT_SYMTAB); - if (!syms) - return; - - nsyms = symtab.sh_size / sizeof(struct elf_sym); -#if (SZ == 64) - syms32 = qemu_mallocz(nsyms * sizeof(struct elf32_sym)); -#endif - for (i = 0; i < nsyms; i++) { - glue(bswap_sym, SZ)(&syms[i]); -#if (SZ == 64) - syms32[i].st_name = syms[i].st_name; - syms32[i].st_info = syms[i].st_info; - syms32[i].st_other = syms[i].st_other; - syms32[i].st_shndx = syms[i].st_shndx; - syms32[i].st_value = syms[i].st_value & 0xffffffff; - syms32[i].st_size = syms[i].st_size & 0xffffffff; -#endif - } - /* String table */ - str = glue(process_strtab, SZ)(ehdr, fd, &strtab, &symtab); - if (!str) - goto error_freesyms; - - /* Commit */ - s = qemu_mallocz(sizeof(*s)); -#if (SZ == 64) - s->disas_symtab = syms32; - qemu_free(syms); -#else - s->disas_symtab = syms; -#endif - s->disas_num_syms = nsyms; - s->disas_strtab = str; - s->next = syminfos; - syminfos = s; - return; - error_freesyms: -#if (SZ == 64) - qemu_free(syms32); -#endif - qemu_free(syms); - return; -} diff --git a/hw/magic-load.c b/hw/magic-load.c deleted file mode 100644 index d5c098fb4..000000000 --- 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; -} - diff --git a/hw/sun4m.c b/hw/sun4m.c index 435ac02bd..014ed0926 100644 --- a/hw/sun4m.c +++ b/hw/sun4m.c @@ -26,6 +26,7 @@ #define KERNEL_LOAD_ADDR 0x00004000 #define CMDLINE_ADDR 0x007ff000 #define INITRD_LOAD_ADDR 0x00800000 +#define PROM_SIZE_MAX (256 * 1024) #define PROM_ADDR 0xffd00000 #define PROM_FILENAMEB "proll.bin" #define PROM_FILENAMEE "proll.elf" @@ -263,9 +264,12 @@ static void sun4m_init(int ram_size, int vga_ram_size, int boot_device, slavio_misc = slavio_misc_init(PHYS_JJ_SLAVIO, PHYS_JJ_ME_IRQ); prom_offset = ram_size + vram_size; + cpu_register_physical_memory(PROM_ADDR, + (PROM_SIZE_MAX + TARGET_PAGE_SIZE - 1) & TARGET_PAGE_MASK, + prom_offset | IO_MEM_ROM); snprintf(buf, sizeof(buf), "%s/%s", bios_dir, PROM_FILENAMEE); - ret = load_elf(buf, phys_ram_base + prom_offset); + ret = load_elf(buf, 0); if (ret < 0) { snprintf(buf, sizeof(buf), "%s/%s", bios_dir, PROM_FILENAMEB); ret = load_image(buf, phys_ram_base + prom_offset); @@ -275,12 +279,10 @@ static void sun4m_init(int ram_size, int vga_ram_size, int boot_device, buf); exit(1); } - cpu_register_physical_memory(PROM_ADDR, (ret + TARGET_PAGE_SIZE) & TARGET_PAGE_MASK, - prom_offset | IO_MEM_ROM); kernel_size = 0; if (linux_boot) { - kernel_size = load_elf(kernel_filename, phys_ram_base + KERNEL_LOAD_ADDR); + kernel_size = load_elf(kernel_filename, -0xf0000000); if (kernel_size < 0) kernel_size = load_aout(kernel_filename, phys_ram_base + KERNEL_LOAD_ADDR); if (kernel_size < 0) diff --git a/hw/sun4u.c b/hw/sun4u.c index 0cf538179..bb40697c4 100644 --- a/hw/sun4u.c +++ b/hw/sun4u.c @@ -27,6 +27,7 @@ #define KERNEL_LOAD_ADDR 0x00404000 #define CMDLINE_ADDR 0x003ff000 #define INITRD_LOAD_ADDR 0x00300000 +#define PROM_SIZE_MAX (256 * 1024) #define PROM_ADDR 0x1fff0000000ULL #define APB_SPECIAL_BASE 0x1fe00000000ULL #define APB_MEM_BASE 0x1ff00000000ULL @@ -277,9 +278,12 @@ static void sun4u_init(int ram_size, int vga_ram_size, int boot_device, cpu_register_physical_memory(0, ram_size, 0); prom_offset = ram_size + vga_ram_size; + cpu_register_physical_memory(PROM_ADDR, + (PROM_SIZE_MAX + TARGET_PAGE_SIZE) & TARGET_PAGE_MASK, + prom_offset | IO_MEM_ROM); snprintf(buf, sizeof(buf), "%s/%s", bios_dir, PROM_FILENAMEE); - ret = load_elf(buf, phys_ram_base + prom_offset); + ret = load_elf(buf, 0); if (ret < 0) { snprintf(buf, sizeof(buf), "%s/%s", bios_dir, PROM_FILENAMEB); ret = load_image(buf, phys_ram_base + prom_offset); @@ -289,13 +293,12 @@ static void sun4u_init(int ram_size, int vga_ram_size, int boot_device, buf); exit(1); } - cpu_register_physical_memory(PROM_ADDR, (ret + TARGET_PAGE_SIZE) & TARGET_PAGE_MASK, - prom_offset | IO_MEM_ROM); kernel_size = 0; initrd_size = 0; if (linux_boot) { - kernel_size = load_elf(kernel_filename, phys_ram_base + KERNEL_LOAD_ADDR); + /* XXX: put correct offset */ + kernel_size = load_elf(kernel_filename, 0); if (kernel_size < 0) kernel_size = load_aout(kernel_filename, phys_ram_base + KERNEL_LOAD_ADDR); if (kernel_size < 0) |