mirror of
https://github.com/Motorhead1991/qemu.git
synced 2025-12-17 21:26:13 -07:00
hw: move headers to include/
Many of these should be cleaned up with proper qdev-/QOM-ification. Right now there are many catch-all headers in include/hw/ARCH depending on cpu.h, and this makes it necessary to compile these files per-target. However, fixing this does not belong in these patches. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini
parent
bb585a784e
commit
0d09e41a51
511 changed files with 829 additions and 830 deletions
309
include/hw/elf_ops.h
Normal file
309
include/hw/elf_ops.h
Normal file
|
|
@ -0,0 +1,309 @@
|
|||
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);
|
||||
}
|
||||
|
||||
static struct elf_shdr *glue(find_section, SZ)(struct elf_shdr *shdr_table,
|
||||
int n, int type)
|
||||
{
|
||||
int i;
|
||||
for(i=0;i<n;i++) {
|
||||
if (shdr_table[i].sh_type == type)
|
||||
return shdr_table + i;
|
||||
}
|
||||
return NULL;
|
||||
}
|
||||
|
||||
static int glue(symfind, SZ)(const void *s0, const void *s1)
|
||||
{
|
||||
hwaddr addr = *(hwaddr *)s0;
|
||||
struct elf_sym *sym = (struct elf_sym *)s1;
|
||||
int result = 0;
|
||||
if (addr < sym->st_value) {
|
||||
result = -1;
|
||||
} else if (addr >= sym->st_value + sym->st_size) {
|
||||
result = 1;
|
||||
}
|
||||
return result;
|
||||
}
|
||||
|
||||
static const char *glue(lookup_symbol, SZ)(struct syminfo *s,
|
||||
hwaddr orig_addr)
|
||||
{
|
||||
struct elf_sym *syms = glue(s->disas_symtab.elf, SZ);
|
||||
struct elf_sym *sym;
|
||||
|
||||
sym = bsearch(&orig_addr, syms, s->disas_num_syms, sizeof(*syms),
|
||||
glue(symfind, SZ));
|
||||
if (sym != NULL) {
|
||||
return s->disas_strtab + sym->st_name;
|
||||
}
|
||||
|
||||
return "";
|
||||
}
|
||||
|
||||
static int glue(symcmp, SZ)(const void *s0, const void *s1)
|
||||
{
|
||||
struct elf_sym *sym0 = (struct elf_sym *)s0;
|
||||
struct elf_sym *sym1 = (struct elf_sym *)s1;
|
||||
return (sym0->st_value < sym1->st_value)
|
||||
? -1
|
||||
: ((sym0->st_value > sym1->st_value) ? 1 : 0);
|
||||
}
|
||||
|
||||
static int glue(load_symbols, SZ)(struct elfhdr *ehdr, int fd, int must_swab,
|
||||
int clear_lsb)
|
||||
{
|
||||
struct elf_shdr *symtab, *strtab, *shdr_table = NULL;
|
||||
struct elf_sym *syms = NULL;
|
||||
struct syminfo *s;
|
||||
int nsyms, i;
|
||||
char *str = NULL;
|
||||
|
||||
shdr_table = load_at(fd, ehdr->e_shoff,
|
||||
sizeof(struct elf_shdr) * ehdr->e_shnum);
|
||||
if (!shdr_table)
|
||||
return -1;
|
||||
|
||||
if (must_swab) {
|
||||
for (i = 0; i < ehdr->e_shnum; i++) {
|
||||
glue(bswap_shdr, SZ)(shdr_table + i);
|
||||
}
|
||||
}
|
||||
|
||||
symtab = glue(find_section, SZ)(shdr_table, ehdr->e_shnum, SHT_SYMTAB);
|
||||
if (!symtab)
|
||||
goto fail;
|
||||
syms = load_at(fd, symtab->sh_offset, symtab->sh_size);
|
||||
if (!syms)
|
||||
goto fail;
|
||||
|
||||
nsyms = symtab->sh_size / sizeof(struct elf_sym);
|
||||
|
||||
i = 0;
|
||||
while (i < nsyms) {
|
||||
if (must_swab)
|
||||
glue(bswap_sym, SZ)(&syms[i]);
|
||||
/* We are only interested in function symbols.
|
||||
Throw everything else away. */
|
||||
if (syms[i].st_shndx == SHN_UNDEF ||
|
||||
syms[i].st_shndx >= SHN_LORESERVE ||
|
||||
ELF_ST_TYPE(syms[i].st_info) != STT_FUNC) {
|
||||
nsyms--;
|
||||
if (i < nsyms) {
|
||||
syms[i] = syms[nsyms];
|
||||
}
|
||||
continue;
|
||||
}
|
||||
if (clear_lsb) {
|
||||
/* The bottom address bit marks a Thumb or MIPS16 symbol. */
|
||||
syms[i].st_value &= ~(glue(glue(Elf, SZ), _Addr))1;
|
||||
}
|
||||
i++;
|
||||
}
|
||||
if (nsyms) {
|
||||
syms = g_realloc(syms, nsyms * sizeof(*syms));
|
||||
|
||||
qsort(syms, nsyms, sizeof(*syms), glue(symcmp, SZ));
|
||||
for (i = 0; i < nsyms - 1; i++) {
|
||||
if (syms[i].st_size == 0) {
|
||||
syms[i].st_size = syms[i + 1].st_value - syms[i].st_value;
|
||||
}
|
||||
}
|
||||
} else {
|
||||
g_free(syms);
|
||||
syms = NULL;
|
||||
}
|
||||
|
||||
/* String table */
|
||||
if (symtab->sh_link >= ehdr->e_shnum)
|
||||
goto fail;
|
||||
strtab = &shdr_table[symtab->sh_link];
|
||||
|
||||
str = load_at(fd, strtab->sh_offset, strtab->sh_size);
|
||||
if (!str)
|
||||
goto fail;
|
||||
|
||||
/* Commit */
|
||||
s = g_malloc0(sizeof(*s));
|
||||
s->lookup_symbol = glue(lookup_symbol, SZ);
|
||||
glue(s->disas_symtab.elf, SZ) = syms;
|
||||
s->disas_num_syms = nsyms;
|
||||
s->disas_strtab = str;
|
||||
s->next = syminfos;
|
||||
syminfos = s;
|
||||
g_free(shdr_table);
|
||||
return 0;
|
||||
fail:
|
||||
g_free(syms);
|
||||
g_free(str);
|
||||
g_free(shdr_table);
|
||||
return -1;
|
||||
}
|
||||
|
||||
static int glue(load_elf, SZ)(const char *name, int fd,
|
||||
uint64_t (*translate_fn)(void *, uint64_t),
|
||||
void *translate_opaque,
|
||||
int must_swab, uint64_t *pentry,
|
||||
uint64_t *lowaddr, uint64_t *highaddr,
|
||||
int elf_machine, int clear_lsb)
|
||||
{
|
||||
struct elfhdr ehdr;
|
||||
struct elf_phdr *phdr = NULL, *ph;
|
||||
int size, i, total_size;
|
||||
elf_word mem_size, file_size;
|
||||
uint64_t addr, low = (uint64_t)-1, high = 0;
|
||||
uint8_t *data = NULL;
|
||||
char label[128];
|
||||
|
||||
if (read(fd, &ehdr, sizeof(ehdr)) != sizeof(ehdr))
|
||||
goto fail;
|
||||
if (must_swab) {
|
||||
glue(bswap_ehdr, SZ)(&ehdr);
|
||||
}
|
||||
|
||||
switch (elf_machine) {
|
||||
case EM_PPC64:
|
||||
if (EM_PPC64 != ehdr.e_machine)
|
||||
if (EM_PPC != ehdr.e_machine)
|
||||
goto fail;
|
||||
break;
|
||||
case EM_X86_64:
|
||||
if (EM_X86_64 != ehdr.e_machine)
|
||||
if (EM_386 != ehdr.e_machine)
|
||||
goto fail;
|
||||
break;
|
||||
case EM_MICROBLAZE:
|
||||
if (EM_MICROBLAZE != ehdr.e_machine)
|
||||
if (EM_MICROBLAZE_OLD != ehdr.e_machine)
|
||||
goto fail;
|
||||
break;
|
||||
default:
|
||||
if (elf_machine != ehdr.e_machine)
|
||||
goto fail;
|
||||
}
|
||||
|
||||
if (pentry)
|
||||
*pentry = (uint64_t)(elf_sword)ehdr.e_entry;
|
||||
|
||||
glue(load_symbols, SZ)(&ehdr, fd, must_swab, clear_lsb);
|
||||
|
||||
size = ehdr.e_phnum * sizeof(phdr[0]);
|
||||
lseek(fd, ehdr.e_phoff, SEEK_SET);
|
||||
phdr = g_malloc0(size);
|
||||
if (!phdr)
|
||||
goto fail;
|
||||
if (read(fd, phdr, size) != size)
|
||||
goto fail;
|
||||
if (must_swab) {
|
||||
for(i = 0; i < ehdr.e_phnum; i++) {
|
||||
ph = &phdr[i];
|
||||
glue(bswap_phdr, SZ)(ph);
|
||||
}
|
||||
}
|
||||
|
||||
total_size = 0;
|
||||
for(i = 0; i < ehdr.e_phnum; i++) {
|
||||
ph = &phdr[i];
|
||||
if (ph->p_type == PT_LOAD) {
|
||||
mem_size = ph->p_memsz; /* Size of the ROM */
|
||||
file_size = ph->p_filesz; /* Size of the allocated data */
|
||||
data = g_malloc0(file_size);
|
||||
if (ph->p_filesz > 0) {
|
||||
if (lseek(fd, ph->p_offset, SEEK_SET) < 0) {
|
||||
goto fail;
|
||||
}
|
||||
if (read(fd, data, file_size) != file_size) {
|
||||
goto fail;
|
||||
}
|
||||
}
|
||||
/* address_offset is hack for kernel images that are
|
||||
linked at the wrong physical address. */
|
||||
if (translate_fn) {
|
||||
addr = translate_fn(translate_opaque, ph->p_paddr);
|
||||
} else {
|
||||
addr = ph->p_paddr;
|
||||
}
|
||||
|
||||
/* 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 */
|
||||
if (pentry && !translate_fn &&
|
||||
ph->p_vaddr != ph->p_paddr &&
|
||||
ehdr.e_entry >= ph->p_vaddr &&
|
||||
ehdr.e_entry < ph->p_vaddr + ph->p_filesz &&
|
||||
ph->p_flags & PF_X) {
|
||||
*pentry = ehdr.e_entry - ph->p_vaddr + ph->p_paddr;
|
||||
}
|
||||
|
||||
snprintf(label, sizeof(label), "phdr #%d: %s", i, name);
|
||||
|
||||
/* rom_add_elf_program() seize the ownership of 'data' */
|
||||
rom_add_elf_program(label, data, file_size, mem_size, addr);
|
||||
|
||||
total_size += mem_size;
|
||||
if (addr < low)
|
||||
low = addr;
|
||||
if ((addr + mem_size) > high)
|
||||
high = addr + mem_size;
|
||||
|
||||
data = NULL;
|
||||
}
|
||||
}
|
||||
g_free(phdr);
|
||||
if (lowaddr)
|
||||
*lowaddr = (uint64_t)(elf_sword)low;
|
||||
if (highaddr)
|
||||
*highaddr = (uint64_t)(elf_sword)high;
|
||||
return total_size;
|
||||
fail:
|
||||
g_free(data);
|
||||
g_free(phdr);
|
||||
return -1;
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue