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Diffstat (limited to 'arch/powerpc/boot/main.c')
-rw-r--r--arch/powerpc/boot/main.c35
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);