Signed-off-by: Olivia Yin <hong-hua....@freescale.com>
---
hw/loader.c | 64 +++++++++++++++++++++++++++++++++++++++++++++++------------
1 files changed, 51 insertions(+), 13 deletions(-)
diff --git a/hw/loader.c b/hw/loader.c
index 4fa9965..288a1ba 100644
--- a/hw/loader.c
+++ b/hw/loader.c
@@ -458,15 +458,15 @@ static ssize_t gunzip(void *dst, size_t dstlen, uint8_t
*src,
return dstbytes;
}
-/* Load a U-Boot image. */
-int load_uimage(const char *filename, hwaddr *ep,
- hwaddr *loadaddr, int *is_linux)
+/* write uimage into memory */
+static int uimage_physical_loader(const char *filename, hwaddr *ep,
+ uint8_t **data, hwaddr *loadaddr,
+ int *is_linux, int reset)
{
int fd;
int size;
uboot_image_header_t h;
uboot_image_header_t *hdr = &h;
- uint8_t *data = NULL;
int ret = -1;
fd = open(filename, O_RDONLY | O_BINARY);
@@ -507,10 +507,12 @@ int load_uimage(const char *filename, hwaddr *ep,
*is_linux = 0;
}
- *ep = hdr->ih_ep;
- data = g_malloc(hdr->ih_size);
+ if (ep) {
+ *ep = hdr->ih_ep;
+ }
+ *data = g_malloc(hdr->ih_size);
- if (read(fd, data, hdr->ih_size) != hdr->ih_size) {
+ if (read(fd, *data, hdr->ih_size) != hdr->ih_size) {
fprintf(stderr, "Error reading file\n");
goto out;
}
@@ -520,11 +522,11 @@ int load_uimage(const char *filename, hwaddr *ep,
size_t max_bytes;
ssize_t bytes;
- compressed_data = data;
+ compressed_data = *data;
max_bytes = UBOOT_MAX_GUNZIP_BYTES;
- data = g_malloc(max_bytes);
+ *data = g_malloc(max_bytes);
- bytes = gunzip(data, max_bytes, compressed_data, hdr->ih_size);
+ bytes = gunzip(*data, max_bytes, compressed_data, hdr->ih_size);
g_free(compressed_data);
if (bytes < 0) {
fprintf(stderr, "Unable to decompress gzipped image!\n");
@@ -533,7 +535,11 @@ int load_uimage(const char *filename, hwaddr *ep,
hdr->ih_size = bytes;
}
- rom_add_blob_fixed(filename, data, hdr->ih_size, hdr->ih_load);
+ if (!reset) {
+ rom_add_blob_fixed(filename, *data, hdr->ih_size, hdr->ih_load);
+ } else {
+ cpu_physical_memory_write(hdr->ih_load, *data, hdr->ih_size);
+ }
if (loadaddr)
*loadaddr = hdr->ih_load;
@@ -541,12 +547,44 @@ int load_uimage(const char *filename, hwaddr *ep,
ret = hdr->ih_size;
out:
- if (data)
- g_free(data);
close(fd);
return ret;
}
+static void uimage_reset(void *opaque)
+{
+ ImageFile *image = opaque;
+ uint8_t *data = NULL;
+ ssize_t size;
+
+ size = uimage_physical_loader(image->name, NULL, &data, &image->loadaddr,
NULL, 1);
+ if (size >0) {
+ g_free(data);
+ } else {
+ error_report("failed to read image file: %s\n", image->name);
+ }
+}
+
+/* Load a U-Boot image. */
+int load_uimage(const char *filename, hwaddr *ep,
+ hwaddr *loadaddr, int *is_linux)
+{
+ int size;
+ ImageFile *image;
+ uint8_t *data = NULL;
+
+ size = uimage_physical_loader(filename, ep, &data, loadaddr, is_linux, 0);
+ if (size > 0) {
+ g_free(data);
+ image = g_malloc0(sizeof(*image));
+ image->name = g_strdup(filename);
+ image->loadaddr = *loadaddr;
+ image->size = size;
+ qemu_register_reset(uimage_reset, image);
+ }
+ return size;
+}
+
/*
* Functions for reboot-persistent memory regions.
* - used for vga bios and option roms.
--
1.7.1
