Convert CONFIG_SYS_BOOTM_LEN to Kconfig
[platform/kernel/u-boot.git] / boot / bootm.c
index dfa65f1..86dbfbc 100644 (file)
 #include <bootm.h>
 #include <image.h>
 
-#ifndef CONFIG_SYS_BOOTM_LEN
-/* use 8MByte as default max gunzip size */
-#define CONFIG_SYS_BOOTM_LEN   0x800000
-#endif
-
 #define MAX_CMDLINE_SIZE       SZ_4K
 
 #define IH_INITRD_ARCH IH_ARCH_DEFAULT
@@ -369,10 +364,12 @@ static int bootm_find_other(struct cmd_tbl *cmdtp, int flag, int argc,
  *
  * @comp_type:         Compression type being used (IH_COMP_...)
  * @uncomp_size:       Number of bytes uncompressed
+ * @buf_size:          Number of bytes the decompresion buffer was
  * @ret:               errno error code received from compression library
  * Return: Appropriate BOOTM_ERR_ error code
  */
-static int handle_decomp_error(int comp_type, size_t uncomp_size, int ret)
+static int handle_decomp_error(int comp_type, size_t uncomp_size,
+                              size_t buf_size, int ret)
 {
        const char *name = genimg_get_comp_name(comp_type);
 
@@ -380,7 +377,7 @@ static int handle_decomp_error(int comp_type, size_t uncomp_size, int ret)
        if (ret == -ENOSYS)
                return BOOTM_ERR_UNIMPLEMENTED;
 
-       if (uncomp_size >= CONFIG_SYS_BOOTM_LEN)
+       if (uncomp_size >= buf_size)
                printf("Image too large: increase CONFIG_SYS_BOOTM_LEN\n");
        else
                printf("%s: uncompress error %d\n", name, ret);
@@ -420,7 +417,8 @@ static int bootm_load_os(bootm_headers_t *images, int boot_progress)
                           load_buf, image_buf, image_len,
                           CONFIG_SYS_BOOTM_LEN, &load_end);
        if (err) {
-               err = handle_decomp_error(os.comp, load_end - load, err);
+               err = handle_decomp_error(os.comp, load_end - load,
+                                         CONFIG_SYS_BOOTM_LEN, err);
                bootstage_error(BOOTSTAGE_ID_DECOMP_IMAGE);
                return err;
        }
@@ -1006,7 +1004,7 @@ static int bootm_host_load_image(const void *fit, int req_image_type,
        ulong data, len;
        bootm_headers_t images;
        int noffset;
-       ulong load_end;
+       ulong load_end, buf_size;
        uint8_t image_type;
        uint8_t imape_comp;
        void *load_buf;
@@ -1032,14 +1030,14 @@ static int bootm_host_load_image(const void *fit, int req_image_type,
        }
 
        /* Allow the image to expand by a factor of 4, should be safe */
-       load_buf = malloc((1 << 20) + len * 4);
+       buf_size = (1 << 20) + len * 4;
+       load_buf = malloc(buf_size);
        ret = image_decomp(imape_comp, 0, data, image_type, load_buf,
-                          (void *)data, len, CONFIG_SYS_BOOTM_LEN,
-                          &load_end);
+                          (void *)data, len, buf_size, &load_end);
        free(load_buf);
 
        if (ret) {
-               ret = handle_decomp_error(imape_comp, load_end - 0, ret);
+               ret = handle_decomp_error(imape_comp, load_end - 0, buf_size, ret);
                if (ret != BOOTM_ERR_UNIMPLEMENTED)
                        return ret;
        }