get roms more room. (Glauber Costa)

[qemu] / elf_ops.h

diff --git a/elf_ops.h b/elf_ops.h
index 72fed1c..485442a 100644 (file)
--- a/elf_ops.h
+++ b/elf_ops.h
@@ -177,7 +177,7 @@ static int glue(load_symbols, SZ)(struct elfhdr *ehdr, int fd, int must_swab)
     return -1;
 }
 
-static int glue(load_elf, SZ)(int fd, int64_t virt_to_phys_addend,
+static int glue(load_elf, SZ)(int fd, int64_t address_offset,
                               int must_swab, uint64_t *pentry,
                               uint64_t *lowaddr, uint64_t *highaddr)
 {
@@ -194,8 +194,21 @@ static int glue(load_elf, SZ)(int fd, int64_t virt_to_phys_addend,
         glue(bswap_ehdr, SZ)(&ehdr);
     }
 
-    if (ELF_MACHINE != ehdr.e_machine)
-        goto fail;
+    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;
+        default:
+            if (ELF_MACHINE != ehdr.e_machine)
+                goto fail;
+    }
 
     if (pentry)
        *pentry = (uint64_t)(elf_sword)ehdr.e_entry;
@@ -229,7 +242,9 @@ static int glue(load_elf, SZ)(int fd, int64_t virt_to_phys_addend,
                 if (read(fd, data, ph->p_filesz) != ph->p_filesz)
                     goto fail;
             }
-            addr = ph->p_vaddr + virt_to_phys_addend;
+            /* address_offset is hack for kernel images that are
+               linked at the wrong physical address.  */
+            addr = ph->p_paddr + address_offset;
 
             cpu_physical_memory_write_rom(addr, data, mem_size);