diff options
Diffstat (limited to 'arch/powerpc/boot/main.c')
| -rw-r--r-- | arch/powerpc/boot/main.c | 35 |
1 files changed, 18 insertions, 17 deletions
diff --git a/arch/powerpc/boot/main.c b/arch/powerpc/boot/main.c index d80161b633f4..f7a184b6c35b 100644 --- a/arch/powerpc/boot/main.c +++ b/arch/powerpc/boot/main.c @@ -15,11 +15,8 @@ #include "string.h" #include "stdio.h" #include "ops.h" -#include "gunzip_util.h" #include "reg.h" -static struct gunzip_state gzstate; - struct addr_range { void *addr; unsigned long size; @@ -30,15 +27,14 @@ struct addr_range { static struct addr_range prep_kernel(void) { char elfheader[256]; - void *vmlinuz_addr = _vmlinux_start; + unsigned char *vmlinuz_addr = (unsigned char *)_vmlinux_start; unsigned long vmlinuz_size = _vmlinux_end - _vmlinux_start; void *addr = 0; struct elf_info ei; - int len; + long len; - /* gunzip the ELF header of the kernel */ - gunzip_start(&gzstate, vmlinuz_addr, vmlinuz_size); - gunzip_exactly(&gzstate, elfheader, sizeof(elfheader)); + partial_decompress(vmlinuz_addr, vmlinuz_size, + elfheader, sizeof(elfheader), 0); if (!parse_elf64(elfheader, &ei) && !parse_elf32(elfheader, &ei)) fatal("Error: not a valid PPC32 or PPC64 ELF file!\n\r"); @@ -51,7 +47,7 @@ static struct addr_range prep_kernel(void) * the kernel bss must be claimed (it will be zero'd by the * kernel itself) */ - printf("Allocating 0x%lx bytes for kernel ...\n\r", ei.memsize); + printf("Allocating 0x%lx bytes for kernel...\n\r", ei.memsize); if (platform_ops.vmlinux_alloc) { addr = platform_ops.vmlinux_alloc(ei.memsize); @@ -71,16 +67,21 @@ static struct addr_range prep_kernel(void) "device tree\n\r"); } - /* Finally, gunzip the kernel */ - printf("gunzipping (0x%p <- 0x%p:0x%p)...", addr, + /* Finally, decompress the kernel */ + printf("Decompressing (0x%p <- 0x%p:0x%p)...\n\r", addr, vmlinuz_addr, vmlinuz_addr+vmlinuz_size); - /* discard up to the actual load data */ - gunzip_discard(&gzstate, ei.elfoffset - sizeof(elfheader)); - len = gunzip_finish(&gzstate, addr, ei.loadsize); + + len = partial_decompress(vmlinuz_addr, vmlinuz_size, + addr, ei.loadsize, ei.elfoffset); + + if (len < 0) + fatal("Decompression failed with error code %ld\n\r", len); + if (len != ei.loadsize) - fatal("ran out of data! only got 0x%x of 0x%lx bytes.\n\r", - len, ei.loadsize); - printf("done 0x%x bytes\n\r", len); + fatal("Decompression error: got 0x%lx bytes, expected 0x%lx.\n\r", + len, ei.loadsize); + + printf("Done! Decompressed 0x%lx bytes\n\r", len); flush_cache(addr, ei.loadsize); |