#include <fdt_support.h>
#include <lmb.h>
#include <malloc.h>
+#include <mapmem.h>
#include <asm/io.h>
#include <linux/lzo.h>
#include <lzma/LzmaTypes.h>
images.os.type = IH_TYPE_KERNEL;
images.os.comp = IH_COMP_NONE;
images.os.os = IH_OS_LINUX;
- images.ep = images.os.load;
- ep_found = true;
images.os.end = android_image_get_end(os_hdr);
images.os.load = android_image_get_kload(os_hdr);
+ images.ep = images.os.load;
+ ep_found = true;
break;
#endif
default:
}
/* If we have a valid setup.bin, we will use that for entry (x86) */
- if (images.os.arch == IH_ARCH_I386) {
+ if (images.os.arch == IH_ARCH_I386 ||
+ images.os.arch == IH_ARCH_X86_64) {
ulong len;
ret = boot_get_setup(&images, IH_ARCH_I386, &images.ep, &len);
return 0;
}
-static int bootm_find_ramdisk(int flag, int argc, char * const argv[])
+/**
+ * bootm_find_images - wrapper to find and locate various images
+ * @flag: Ignored Argument
+ * @argc: command argument count
+ * @argv: command argument list
+ *
+ * boot_find_images() will attempt to load an available ramdisk,
+ * flattened device tree, as well as specifically marked
+ * "loadable" images (loadables are FIT only)
+ *
+ * Note: bootm_find_images will skip an image if it is not found
+ *
+ * @return:
+ * 0, if all existing images were loaded correctly
+ * 1, if an image is found but corrupted, or invalid
+ */
+int bootm_find_images(int flag, int argc, char * const argv[])
{
int ret;
return 1;
}
- return 0;
-}
-
#if defined(CONFIG_OF_LIBFDT)
-static int bootm_find_fdt(int flag, int argc, char * const argv[])
-{
- int ret;
-
/* find flattened device tree */
ret = boot_get_fdt(flag, argc, argv, IH_ARCH_DEFAULT, &images,
&images.ft_addr, &images.ft_len);
puts("Could not find a valid device tree\n");
return 1;
}
-
- set_working_fdt_addr(images.ft_addr);
-
- return 0;
-}
+ set_working_fdt_addr((ulong)images.ft_addr);
#endif
-int bootm_find_ramdisk_fdt(int flag, int argc, char * const argv[])
-{
- if (bootm_find_ramdisk(flag, argc, argv))
- return 1;
-
-#if defined(CONFIG_OF_LIBFDT)
- if (bootm_find_fdt(flag, argc, argv))
+#if defined(CONFIG_FIT)
+ /* find all of the loadables */
+ ret = boot_get_loadable(argc, argv, &images, IH_ARCH_DEFAULT,
+ NULL, NULL);
+ if (ret) {
+ printf("Loadable(s) is corrupt or invalid\n");
return 1;
+ }
#endif
return 0;
(images.os.type == IH_TYPE_MULTI)) &&
(images.os.os == IH_OS_LINUX ||
images.os.os == IH_OS_VXWORKS))
- return bootm_find_ramdisk_fdt(flag, argc, argv);
+ return bootm_find_images(flag, argc, argv);
return 0;
}
-#endif /* USE_HOSTCC */
+#endif /* USE_HOSTC */
/**
- * decomp_image() - decompress the operating system
+ * print_decomp_msg() - Print a suitable decompression/loading message
*
- * @comp: Compression algorithm that is used (IH_COMP_...)
- * @load: Destination load address in U-Boot memory
- * @image_start Image start address (where we are decompressing from)
* @type: OS type (IH_OS_...)
- * @load_bug: Place to decompress to
- * @image_buf: Address to decompress from
- * @return 0 if OK, -ve on error (BOOTM_ERR_...)
+ * @comp_type: Compression type being used (IH_COMP_...)
+ * @is_xip: true if the load address matches the image start
+ */
+static void print_decomp_msg(int comp_type, int type, bool is_xip)
+{
+ const char *name = genimg_get_type_name(type);
+
+ if (comp_type == IH_COMP_NONE)
+ printf(" %s %s ... ", is_xip ? "XIP" : "Loading", name);
+ else
+ printf(" Uncompressing %s ... ", name);
+}
+
+/**
+ * handle_decomp_error() - display a decompression error
+ *
+ * This function tries to produce a useful message. In the case where the
+ * uncompressed size is the same as the available space, we can assume that
+ * the image is too large for the buffer.
+ *
+ * @comp_type: Compression type being used (IH_COMP_...)
+ * @uncomp_size: Number of bytes uncompressed
+ * @unc_len: Amount of space available for decompression
+ * @ret: Error code to report
+ * @return BOOTM_ERR_RESET, indicating that the board must be reset
*/
-static int decomp_image(int comp, ulong load, ulong image_start, int type,
- void *load_buf, void *image_buf, ulong image_len,
- ulong *load_end)
+static int handle_decomp_error(int comp_type, size_t uncomp_size,
+ size_t unc_len, int ret)
{
- const char *type_name = genimg_get_type_name(type);
- __attribute__((unused)) uint unc_len = CONFIG_SYS_BOOTM_LEN;
+ const char *name = genimg_get_comp_name(comp_type);
+
+ if (uncomp_size >= unc_len)
+ printf("Image too large: increase CONFIG_SYS_BOOTM_LEN\n");
+ else
+ printf("%s: uncompress error %d\n", name, ret);
+
+ /*
+ * The decompression routines are now safe, so will not write beyond
+ * their bounds. Probably it is not necessary to reset, but maintain
+ * the current behaviour for now.
+ */
+ printf("Must RESET board to recover\n");
+#ifndef USE_HOSTCC
+ bootstage_error(BOOTSTAGE_ID_DECOMP_IMAGE);
+#endif
+
+ return BOOTM_ERR_RESET;
+}
+
+int bootm_decomp_image(int comp, ulong load, ulong image_start, int type,
+ void *load_buf, void *image_buf, ulong image_len,
+ uint unc_len, ulong *load_end)
+{
+ int ret = 0;
*load_end = load;
+ print_decomp_msg(comp, type, load == image_start);
+
+ /*
+ * Load the image to the right place, decompressing if needed. After
+ * this, image_len will be set to the number of uncompressed bytes
+ * loaded, ret will be non-zero on error.
+ */
switch (comp) {
case IH_COMP_NONE:
- if (load == image_start) {
- printf(" XIP %s ... ", type_name);
- } else {
- printf(" Loading %s ... ", type_name);
+ if (load == image_start)
+ break;
+ if (image_len <= unc_len)
memmove_wd(load_buf, image_buf, image_len, CHUNKSZ);
- }
- *load_end = load + image_len;
+ else
+ ret = 1;
break;
#ifdef CONFIG_GZIP
- case IH_COMP_GZIP:
- printf(" Uncompressing %s ... ", type_name);
- if (gunzip(load_buf, unc_len, image_buf, &image_len) != 0) {
- puts("GUNZIP: uncompress, out-of-mem or overwrite error - must RESET board to recover\n");
- return BOOTM_ERR_RESET;
- }
-
- *load_end = load + image_len;
+ case IH_COMP_GZIP: {
+ ret = gunzip(load_buf, unc_len, image_buf, &image_len);
break;
+ }
#endif /* CONFIG_GZIP */
#ifdef CONFIG_BZIP2
- case IH_COMP_BZIP2:
- printf(" Uncompressing %s ... ", type_name);
+ case IH_COMP_BZIP2: {
+ uint size = unc_len;
+
/*
* If we've got less than 4 MB of malloc() space,
* use slower decompression algorithm which requires
* at most 2300 KB of memory.
*/
- int i = BZ2_bzBuffToBuffDecompress(load_buf, &unc_len,
+ ret = BZ2_bzBuffToBuffDecompress(load_buf, &size,
image_buf, image_len,
CONFIG_SYS_MALLOC_LEN < (4096 * 1024), 0);
- if (i != BZ_OK) {
- printf("BUNZIP2: uncompress or overwrite error %d - must RESET board to recover\n",
- i);
- return BOOTM_ERR_RESET;
- }
-
- *load_end = load + unc_len;
+ image_len = size;
break;
+ }
#endif /* CONFIG_BZIP2 */
#ifdef CONFIG_LZMA
case IH_COMP_LZMA: {
SizeT lzma_len = unc_len;
- int ret;
-
- printf(" Uncompressing %s ... ", type_name);
ret = lzmaBuffToBuffDecompress(load_buf, &lzma_len,
image_buf, image_len);
- unc_len = lzma_len;
- if (ret != SZ_OK) {
- printf("LZMA: uncompress or overwrite error %d - must RESET board to recover\n",
- ret);
- bootstage_error(BOOTSTAGE_ID_DECOMP_IMAGE);
- return BOOTM_ERR_RESET;
- }
- *load_end = load + unc_len;
+ image_len = lzma_len;
break;
}
#endif /* CONFIG_LZMA */
#ifdef CONFIG_LZO
case IH_COMP_LZO: {
size_t size = unc_len;
- int ret;
-
- printf(" Uncompressing %s ... ", type_name);
ret = lzop_decompress(image_buf, image_len, load_buf, &size);
- if (ret != LZO_E_OK) {
- printf("LZO: uncompress or overwrite error %d - must RESET board to recover\n",
- ret);
- return BOOTM_ERR_RESET;
- }
-
- *load_end = load + size;
+ image_len = size;
break;
}
#endif /* CONFIG_LZO */
return BOOTM_ERR_UNIMPLEMENTED;
}
+ if (ret)
+ return handle_decomp_error(comp, image_len, unc_len, ret);
+ *load_end = load + image_len;
+
puts("OK\n");
return 0;
load_buf = map_sysmem(load, 0);
image_buf = map_sysmem(os.image_start, image_len);
- err = decomp_image(os.comp, load, os.image_start, os.type, load_buf,
- image_buf, image_len, load_end);
+ err = bootm_decomp_image(os.comp, load, os.image_start, os.type,
+ load_buf, image_buf, image_len,
+ CONFIG_SYS_BOOTM_LEN, load_end);
if (err) {
bootstage_error(BOOTSTAGE_ID_DECOMP_IMAGE);
return err;
/* Allow the image to expand by a factor of 4, should be safe */
load_buf = malloc((1 << 20) + len * 4);
- ret = decomp_image(imape_comp, 0, data, image_type, load_buf,
- (void *)data, len, &load_end);
+ ret = bootm_decomp_image(imape_comp, 0, data, image_type, load_buf,
+ (void *)data, len, CONFIG_SYS_BOOTM_LEN,
+ &load_end);
free(load_buf);
+
if (ret && ret != BOOTM_ERR_UNIMPLEMENTED)
return ret;
projects / karo-tx-uboot.git / blobdiff