Add the contents of buildrom's
packages/mkelfimage/mkelfimage-autoconf.patch packages/mkelfimage/mkelfImage-2.7-x86_64.patch to our svn copy of mkelfimage. Signed-off-by: Ward Vandewege <ward@gnu.org> Acked-by: Jordan Crouse <jordan.crouse@amd.com> These are the original commit messages from the buildrom svn tree: ----------------------------------------------------------------------- r61 | jcrouse | 2007-11-28 13:06:23 -0500 (Wed, 28 Nov 2007) | 9 lines [BUILDROM] Fixup mkelfimage My patch makes it so all targets use vmlinux and 2.7. Including the mkelfimage patch from Yhinghai Lu. Signed-off-by: Myles Watson <myles@pel.cs.byu.edu> Acked-by: Jordan Crouse <jordan.crouse@amd.com> ------------------------------------------------------------------------ r80 | jcrouse | 2007-12-10 13:56:40 -0500 (Mon, 10 Dec 2007) | 8 lines [BUILDROM] Fix breakage in the new mkelfimage autoconf scripts Whack the autoconf scripts in mkelfimage to allow us to pass our stack protection flags in. Signed-off-by: Jordan Crouse <jordan.crouse@amd.com> Acked-by: Corey Osgood <corey.osgood@gmail.com> ------------------------------------------------------------------------ git-svn-id: svn://svn.coreboot.org/coreboot/trunk@3473 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
This commit is contained in:
@@ -19,13 +19,16 @@ struct kernel_info;
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static void (*parse_kernel_type)(struct kernel_info *info, char *kernel_buf, size_t kernel_size);
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static void parse_bzImage_kernel(struct kernel_info *info, char *kernel_buf, size_t kernel_size);
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static void parse_elf32_kernel(struct kernel_info *info, char *kernel_buf, size_t kernel_size);
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static void parse_elf64_kernel(struct kernel_info *info, char *kernel_buf, size_t kernel_size);
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char *vmlinux_x86_64_probe(char *kernel_buf, off_t kernel_size);
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char *vmlinux_i386_probe(char *kernel_buf, off_t kernel_size)
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{
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Elf32_Ehdr *ehdr;
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Elf32_Phdr *phdr;
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int i;
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int hdr1, hdr2;
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int phdrs;
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ehdr = (Elf32_Ehdr *)kernel_buf;
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if (
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(ehdr->e_ident[EI_MAG0] != ELFMAG0) ||
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@@ -35,7 +38,8 @@ char *vmlinux_i386_probe(char *kernel_buf, off_t kernel_size)
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return "No ELF signature found on kernel\n";
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}
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if (ehdr->e_ident[EI_CLASS] != ELFCLASS32) {
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return "Not a 32bit ELF kernel\n";
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return vmlinux_x86_64_probe(kernel_buf, kernel_size);
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// return "Not a 32bit ELF kernel\n";
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}
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if (ehdr->e_ident[EI_DATA] != ELFDATA2LSB) {
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return "Not a little endian ELF kernel\n";
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@@ -54,27 +58,64 @@ char *vmlinux_i386_probe(char *kernel_buf, off_t kernel_size)
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return "Kernel uses bad program header size.\n";
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}
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phdr = (Elf32_Phdr *)(kernel_buf + le32_to_cpu(ehdr->e_phoff));
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hdr1 = hdr2 = -1;
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for(i = 0; i < le32_to_cpu(ehdr->e_phnum); i++) {
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phdrs = 0;
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for(i = 0; i < le16_to_cpu(ehdr->e_phnum); i++) {
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if (le32_to_cpu(phdr[i].p_type) != PT_LOAD)
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continue;
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if (((hdr1 != -1) &&
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((le32_to_cpu(phdr[hdr1].p_paddr) & 0xfffffff) != 0x100000)) ||
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(hdr2 != -1)) {
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return "Too many PT_LOAD segments to be a linux kernel\n";
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}
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if (hdr1 == -1) {
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hdr1 = i;
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} else {
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hdr2 = i;
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}
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phdrs++;
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}
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if (hdr1 == -1) {
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if (phdrs == 0) {
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return "No PT_LOAD segments!\n";
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}
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parse_kernel_type = parse_elf32_kernel;
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return 0;
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}
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char *vmlinux_x86_64_probe(char *kernel_buf, off_t kernel_size)
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{
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Elf64_Ehdr *ehdr;
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Elf64_Phdr *phdr;
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int i;
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int phdrs = 0;
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ehdr = (Elf64_Ehdr *)kernel_buf;
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if (
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(ehdr->e_ident[EI_MAG0] != ELFMAG0) ||
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(ehdr->e_ident[EI_MAG1] != ELFMAG1) ||
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(ehdr->e_ident[EI_MAG2] != ELFMAG2) ||
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(ehdr->e_ident[EI_MAG3] != ELFMAG3)) {
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return "No ELF signature found on kernel\n";
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}
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if (ehdr->e_ident[EI_CLASS] != ELFCLASS64) {
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return "Not a 64bit ELF kernel\n";
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}
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if (ehdr->e_ident[EI_DATA] != ELFDATA2LSB) {
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return "Not a little endian ELF kernel\n";
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}
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if (le16_to_cpu(ehdr->e_type) != ET_EXEC) {
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return "Not an executable kernel\n";
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}
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if (le16_to_cpu(ehdr->e_machine) != EM_X86_64) {
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return "Not an x86_64 kernel\n";
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}
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if ( (ehdr->e_ident[EI_VERSION] != EV_CURRENT) ||
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(le32_to_cpu(ehdr->e_version) != EV_CURRENT)) {
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return "Kernel not using ELF version 1.\n";
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}
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if (le16_to_cpu(ehdr->e_phentsize) != sizeof(*phdr)) {
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return "Kernel uses bad program header size.\n";
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}
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phdr = (Elf64_Phdr *)(kernel_buf + le64_to_cpu(ehdr->e_phoff));
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phdrs = 0;
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for(i = 0; i < le16_to_cpu(ehdr->e_phnum); i++) {
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if (le32_to_cpu(phdr[i].p_type) != PT_LOAD)
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continue;
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phdrs++;
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}
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if (phdrs == 0) {
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return "No PT_LOAD segments!\n";
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}
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parse_kernel_type = parse_elf64_kernel;
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return 0;
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}
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char *bzImage_i386_probe(char *kernel_buf, off_t kernel_size)
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{
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@@ -118,17 +159,14 @@ char *linux_i386_probe(char *kernel_buf, off_t kernel_size)
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struct kernel_info
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{
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void *kernel;
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size_t filesz;
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size_t memsz;
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size_t paddr;
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size_t vaddr;
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void *kernel2;
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size_t filesz2;
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size_t memsz2;
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size_t paddr2;
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size_t vaddr2;
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int phdrs;
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void *kernel[4];
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size_t filesz[4];
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size_t memsz[4];
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size_t paddr[4];
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size_t vaddr[4];
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size_t entry;
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size_t switch_64;
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char *version;
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};
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@@ -137,43 +175,68 @@ static void parse_elf32_kernel(struct kernel_info *info, char *kernel_buf, size_
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Elf32_Ehdr *ehdr;
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Elf32_Phdr *phdr;
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int i;
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int hdr1, hdr2;
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int phdrs;
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ehdr = (Elf32_Ehdr *)kernel_buf;
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phdr = (Elf32_Phdr *)(kernel_buf + ehdr->e_phoff);
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hdr1 = hdr2 = -1;
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phdrs = 0;
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for(i = 0; i < le16_to_cpu(ehdr->e_phnum); i++) {
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if (le32_to_cpu(phdr[i].p_type) != PT_LOAD)
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continue;
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if (hdr2 != -1) {
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die("Too many PT_LOAD segments to be a linux kernel\n");
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}
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if (hdr1 == -1) {
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hdr1 = i;
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} else {
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hdr2 = i;
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}
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info->kernel[phdrs] = kernel_buf + le32_to_cpu(phdr[i].p_offset);
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info->filesz[phdrs] = le32_to_cpu(phdr[i].p_filesz);
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info->memsz[phdrs] = le32_to_cpu(phdr[i].p_memsz);
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info->paddr[phdrs] = le32_to_cpu(phdr[i].p_paddr) & 0xfffffff;
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info->vaddr[phdrs] = le32_to_cpu(phdr[i].p_vaddr);
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phdrs++;
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}
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if (hdr1 == -1) {
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die("No PT_LOAD segments!\n");
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}
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info->kernel = kernel_buf + le32_to_cpu(phdr[hdr1].p_offset);
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info->filesz = le32_to_cpu(phdr[hdr1].p_filesz);
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info->memsz = le32_to_cpu(phdr[hdr1].p_memsz);
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info->paddr = le32_to_cpu(phdr[hdr1].p_paddr) & 0xfffffff;
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info->vaddr = le32_to_cpu(phdr[hdr1].p_vaddr);
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if (hdr2 != -1) {
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info->kernel2 = kernel_buf + le32_to_cpu(phdr[hdr2].p_offset);
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info->filesz2 = le32_to_cpu(phdr[hdr2].p_filesz);
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info->memsz2 = le32_to_cpu(phdr[hdr2].p_memsz);
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info->paddr2 = le32_to_cpu(phdr[hdr2].p_paddr) & 0xfffffff;
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info->vaddr2 = le32_to_cpu(phdr[hdr2].p_vaddr);
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}
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info->entry = 0x100000;
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if(!phdrs)
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die("We need at least one phdr\n");
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info->phdrs = phdrs;
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info->entry = le32_to_cpu(ehdr->e_entry);
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info->switch_64 = 0; //not convert from elf64
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info->version = "unknown";
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}
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static void parse_elf64_kernel(struct kernel_info *info, char *kernel_buf, size_t kernel_size)
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{
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Elf64_Ehdr *ehdr;
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Elf64_Phdr *phdr;
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int i;
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int phdrs;
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ehdr = (Elf64_Ehdr *)kernel_buf;
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phdr = (Elf64_Phdr *)(kernel_buf + le64_to_cpu(ehdr->e_phoff));
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phdrs = 0;
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for(i = 0; i < le16_to_cpu(ehdr->e_phnum); i++) {
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if (le32_to_cpu(phdr[i].p_type) != PT_LOAD)
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continue;
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info->kernel[phdrs] = kernel_buf + le64_to_cpu(phdr[i].p_offset);
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info->filesz[phdrs] = le64_to_cpu(phdr[i].p_filesz);
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info->memsz[phdrs] = le64_to_cpu(phdr[i].p_memsz);
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info->paddr[phdrs] = le64_to_cpu(phdr[i].p_paddr) & 0xffffff;
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info->vaddr[phdrs] = le64_to_cpu(phdr[i].p_vaddr);
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phdrs++;
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}
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if(!phdrs)
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die("We need at least one phdr\n");
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info->phdrs = phdrs;
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info->entry = le64_to_cpu(ehdr->e_entry);
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#if 0
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if (info->entry != info->paddr[0]) {
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info->entry = info->paddr[0]; // we still have startup_32 there
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info->switch_64 = 0; //not convert from elf64
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} else
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#endif
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info->switch_64 = 1; //convert from elf64
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info->version = "unknown";
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}
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static void parse_bzImage_kernel(struct kernel_info *info, char *kernel_buf, size_t kernel_size)
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{
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struct x86_linux_header *hdr;
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@@ -186,12 +249,14 @@ static void parse_bzImage_kernel(struct kernel_info *info, char *kernel_buf, siz
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}
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offset = 512 + (512 *setup_sects);
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info->kernel = kernel_buf + offset;
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info->filesz = kernel_size - offset;
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info->memsz = 0x700000;
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info->paddr = 0x100000;
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info->vaddr = 0x100000;
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info->entry = info->paddr;
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info->kernel[0] = kernel_buf + offset;
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info->filesz[0] = kernel_size - offset;
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info->memsz[0] = 0x700000;
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info->paddr[0] = 0x100000;
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info->vaddr[0] = 0x100000;
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info->phdrs = 1;
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info->entry = info->paddr[0];
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info->switch_64 = 0; //not convert from elf64, even later bzImage become elf64, it still includes startup_32
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info->version = kernel_buf + 512 + le16_to_cpu(hdr->kver_addr);
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}
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@@ -237,6 +302,7 @@ int linux_i386_mkelf(int argc, char **argv,
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struct kernel_info kinfo;
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struct image_parameters *params;
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int index;
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int i;
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int opt;
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static const struct option options[] = {
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@@ -310,7 +376,7 @@ int linux_i386_mkelf(int argc, char **argv,
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/* Add a program header for the note section */
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index = 4;
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index += kinfo.kernel2 ? 1:0;
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index += (kinfo.phdrs - 1);
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index += ramdisk_size ? 1:0;
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phdr = add_program_headers(ehdr, index);
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@@ -328,23 +394,24 @@ int linux_i386_mkelf(int argc, char **argv,
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phdr[2].p_paddr = REAL_MODE_DATA_LOC;
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phdr[2].p_vaddr = REAL_MODE_DATA_LOC;
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phdr[2].p_filesz = 0;
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phdr[2].p_memsz = (GDTLOC - REAL_MODE_DATA_LOC) + params->gdt_size;
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if(!kinfo.switch_64)
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phdr[2].p_memsz = (GDTLOC - REAL_MODE_DATA_LOC) + params->gdt_size;
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else
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phdr[2].p_memsz = (PGTLOC - REAL_MODE_DATA_LOC) + params->pgt_size;
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phdr[2].p_data = 0;
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phdr[3].p_paddr = kinfo.paddr;
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phdr[3].p_vaddr = kinfo.vaddr;
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phdr[3].p_filesz = kinfo.filesz;
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phdr[3].p_memsz = kinfo.memsz;
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phdr[3].p_data = kinfo.kernel;
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if( (phdr[1].p_paddr + phdr[1].p_memsz) > phdr[2].p_paddr) {
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die("Internal error: need to increase REAL_MODE_DATA_LOC !\n");
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}
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index = 4;
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index = 3;
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/* Put the second kernel frament if present */
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if (kinfo.kernel2) {
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phdr[index].p_paddr = kinfo.paddr2;
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phdr[index].p_vaddr = kinfo.vaddr2;
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phdr[index].p_filesz = kinfo.filesz2;
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phdr[index].p_memsz = kinfo.memsz2;
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phdr[index].p_data = kinfo.kernel2;
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for(i=0;i<kinfo.phdrs;i++) {
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phdr[index].p_paddr = kinfo.paddr[i];
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phdr[index].p_vaddr = kinfo.vaddr[i];
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phdr[index].p_filesz = kinfo.filesz[i];
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phdr[index].p_memsz = kinfo.memsz[i];
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phdr[index].p_data = kinfo.kernel[i];
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index++;
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}
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@@ -352,6 +419,10 @@ int linux_i386_mkelf(int argc, char **argv,
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*/
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params->initrd_start = params->initrd_size = 0;
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if (ramdisk_size) {
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if( (phdr[index-1].p_paddr + phdr[index-1].p_memsz) > ramdisk_base) {
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die("need to increase increase ramdisk_base !\n");
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}
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phdr[index].p_paddr = ramdisk_base;
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phdr[index].p_vaddr = ramdisk_base;
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phdr[index].p_filesz = ramdisk_size;
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@@ -364,6 +435,7 @@ int linux_i386_mkelf(int argc, char **argv,
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/* Set the start location */
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params->entry = kinfo.entry;
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params->switch_64 = kinfo.switch_64;
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ehdr->e_entry = phdr[1].p_paddr;
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/* Setup the elf notes */
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Block a user