2
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Эх сурвалжийг харах

Use load address when loading ELF images.

Signed-off-by: Paul Brook <paul@codesourcery.com>


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5513 c046a42c-6fe2-441c-8c8c-71466251a162
pbrook 17 жил өмнө
parent
commit
83c1f87cc8
3 өөрчлөгдсөн 8 нэмэгдсэн , 6 устгасан
  1. 4 2
      elf_ops.h
  2. 3 3
      loader.c
  3. 1 1
      sysemu.h

+ 4 - 2
elf_ops.h

@@ -177,7 +177,7 @@ static int glue(load_symbols, SZ)(struct elfhdr *ehdr, int fd, int must_swab)
     return -1;
     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,
                               int must_swab, uint64_t *pentry,
                               uint64_t *lowaddr, uint64_t *highaddr)
                               uint64_t *lowaddr, uint64_t *highaddr)
 {
 {
@@ -229,7 +229,9 @@ static int glue(load_elf, SZ)(int fd, int64_t virt_to_phys_addend,
                 if (read(fd, data, ph->p_filesz) != ph->p_filesz)
                 if (read(fd, data, ph->p_filesz) != ph->p_filesz)
                     goto fail;
                     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);
             cpu_physical_memory_write_rom(addr, data, mem_size);
 
 

+ 3 - 3
loader.c

@@ -282,7 +282,7 @@ static void *load_at(int fd, int offset, int size)
 #include "elf_ops.h"
 #include "elf_ops.h"
 
 
 /* return < 0 if error, otherwise the number of bytes loaded in memory */
 /* return < 0 if error, otherwise the number of bytes loaded in memory */
-int load_elf(const char *filename, int64_t virt_to_phys_addend,
+int load_elf(const char *filename, int64_t address_offset,
              uint64_t *pentry, uint64_t *lowaddr, uint64_t *highaddr)
              uint64_t *pentry, uint64_t *lowaddr, uint64_t *highaddr)
 {
 {
     int fd, data_order, host_data_order, must_swab, ret;
     int fd, data_order, host_data_order, must_swab, ret;
@@ -317,10 +317,10 @@ int load_elf(const char *filename, int64_t virt_to_phys_addend,
 
 
     lseek(fd, 0, SEEK_SET);
     lseek(fd, 0, SEEK_SET);
     if (e_ident[EI_CLASS] == ELFCLASS64) {
     if (e_ident[EI_CLASS] == ELFCLASS64) {
-        ret = load_elf64(fd, virt_to_phys_addend, must_swab, pentry,
+        ret = load_elf64(fd, address_offset, must_swab, pentry,
                          lowaddr, highaddr);
                          lowaddr, highaddr);
     } else {
     } else {
-        ret = load_elf32(fd, virt_to_phys_addend, must_swab, pentry,
+        ret = load_elf32(fd, address_offset, must_swab, pentry,
                          lowaddr, highaddr);
                          lowaddr, highaddr);
     }
     }
 
 

+ 1 - 1
sysemu.h

@@ -160,7 +160,7 @@ extern CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
 int get_image_size(const char *filename);
 int get_image_size(const char *filename);
 int load_image(const char *filename, uint8_t *addr); /* deprecated */
 int load_image(const char *filename, uint8_t *addr); /* deprecated */
 int load_image_targphys(const char *filename, target_phys_addr_t, int max_sz);
 int load_image_targphys(const char *filename, target_phys_addr_t, int max_sz);
-int load_elf(const char *filename, int64_t virt_to_phys_addend,
+int load_elf(const char *filename, int64_t address_offset,
              uint64_t *pentry, uint64_t *lowaddr, uint64_t *highaddr);
              uint64_t *pentry, uint64_t *lowaddr, uint64_t *highaddr);
 int load_aout(const char *filename, target_phys_addr_t addr, int max_sz);
 int load_aout(const char *filename, target_phys_addr_t addr, int max_sz);
 int load_uboot(const char *filename, target_ulong *ep, int *is_linux);
 int load_uboot(const char *filename, target_ulong *ep, int *is_linux);