#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>
DECLARE_GLOBAL_DATA_PTR;
+bootm_headers_t images; /* pointers to os/initrd/fdt images */
+
static const void *boot_get_kernel(cmd_tbl_t *cmdtp, int flag, int argc,
char * const argv[], bootm_headers_t *images,
ulong *os_data, ulong *os_len);
images.os.arch = image_get_arch(os_hdr);
break;
#endif
-#if defined(CONFIG_FIT)
+#if IMAGE_ENABLE_FIT
case IMAGE_FORMAT_FIT:
if (fit_image_get_type(images.fit_hdr_os,
images.fit_noffset_os,
/* Kernel entry point is the setup.bin */
} else if (images.legacy_hdr_valid) {
images.ep = image_get_ep(&images.legacy_hdr_os_copy);
-#if defined(CONFIG_FIT)
+#if IMAGE_ENABLE_FIT
} else if (images.fit_uname_os) {
int ret;
images.ep += images.os.load;
}
- images.os.start = (ulong)os_hdr;
+ images.os.start = map_to_sysmem(os_hdr);
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;
-
+#if IMAGE_ENABLE_OF_LIBFDT
/* 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))
+#if IMAGE_ENABLE_FIT
+#if defined(CONFIG_FPGA) && defined(CONFIG_FPGA_XILINX)
+ /* find bitstreams */
+ ret = boot_get_fpga(argc, argv, &images, IH_ARCH_DEFAULT,
+ NULL, NULL);
+ if (ret) {
+ printf("FPGA image is corrupted or invalid\n");
return 1;
+ }
+#endif
-#if defined(CONFIG_OF_LIBFDT)
- if (bootm_find_fdt(flag, argc, argv))
+ /* 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 *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)
{
- const char *type_name = genimg_get_type_name(type);
- __attribute__((unused)) uint unc_len = CONFIG_SYS_BOOTM_LEN;
+ 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 */
+#ifdef CONFIG_LZ4
+ case IH_COMP_LZ4: {
+ size_t size = unc_len;
+
+ ret = ulz4fn(image_buf, image_len, load_buf, &size);
+ image_len = size;
+ break;
+ }
+#endif /* CONFIG_LZ4 */
default:
printf("Unimplemented compression type %d\n", comp);
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;
}
- flush_cache(load, (*load_end - load) * sizeof(ulong));
+ flush_cache(load, ALIGN(*load_end - load, ARCH_DMA_MINALIGN));
debug(" kernel loaded at 0x%08lx, end = 0x%08lx\n", load, *load_end);
bootstage_mark(BOOTSTAGE_ID_KERNEL_LOADED);
#ifdef CONFIG_NETCONSOLE
/* Stop the ethernet stack if NetConsole could have left it up */
eth_halt();
+# ifndef CONFIG_DM_ETH
eth_unregister(eth_get_dev());
+# endif
#endif
#if defined(CONFIG_CMD_USB)
env_val = CONSOLE_ARG;
}
- setenv("bootargs", env_val);
+ env_set("bootargs", env_val);
debug("after silent fix-up: %s\n", env_val);
free(buf);
}
if (!ret && (states & BOOTM_STATE_FINDOS))
ret = bootm_find_os(cmdtp, flag, argc, argv);
- if (!ret && (states & BOOTM_STATE_FINDOTHER)) {
+ if (!ret && (states & BOOTM_STATE_FINDOTHER))
ret = bootm_find_other(cmdtp, flag, argc, argv);
- argc = 0; /* consume the args */
- }
/* Load the OS */
if (!ret && (states & BOOTM_STATE_LOADOS)) {
goto err;
else if (ret == BOOTM_ERR_OVERLAP)
ret = 0;
-#if defined(CONFIG_SILENT_CONSOLE) && !defined(CONFIG_SILENT_U_BOOT_ONLY)
- if (images->os.os == IH_OS_LINUX)
- fixup_silent_linux();
-#endif
}
/* Relocate the ramdisk */
}
}
#endif
-#if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_LMB)
+#if IMAGE_ENABLE_OF_LIBFDT && defined(CONFIG_LMB)
if (!ret && (states & BOOTM_STATE_FDT)) {
boot_fdt_add_mem_rsv_regions(&images->lmb, images->ft_addr);
ret = boot_relocate_fdt(&images->lmb, &images->ft_addr,
return 1;
}
+
/* Call various other states that are not generally used */
if (!ret && (states & BOOTM_STATE_OS_CMDLINE))
ret = boot_fn(BOOTM_STATE_OS_CMDLINE, argc, argv, images);
if (!ret && (states & BOOTM_STATE_OS_BD_T))
ret = boot_fn(BOOTM_STATE_OS_BD_T, argc, argv, images);
- if (!ret && (states & BOOTM_STATE_OS_PREP))
+ if (!ret && (states & BOOTM_STATE_OS_PREP)) {
+#if defined(CONFIG_SILENT_CONSOLE) && !defined(CONFIG_SILENT_U_BOOT_ONLY)
+ if (images->os.os == IH_OS_LINUX)
+ fixup_silent_linux();
+#endif
ret = boot_fn(BOOTM_STATE_OS_PREP, argc, argv, images);
+ }
#ifdef CONFIG_TRACE
/* Pretend to run the OS, then run a user command */
const void *buf;
const char *fit_uname_config = NULL;
const char *fit_uname_kernel = NULL;
-#if defined(CONFIG_FIT)
+#if IMAGE_ENABLE_FIT
int os_noffset;
#endif
bootstage_mark(BOOTSTAGE_ID_DECOMP_IMAGE);
break;
#endif
-#if defined(CONFIG_FIT)
+#if IMAGE_ENABLE_FIT
case IMAGE_FORMAT_FIT:
os_noffset = fit_image_load(images, img_addr,
&fit_uname_kernel, &fit_uname_config,
/* 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 / J-u-boot.git / blobdiff