@@ -472,15 +472,15 @@ 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);
@@ -522,9 +522,9 @@ int load_uimage(const char *filename, hwaddr *ep,
}
*ep = hdr->ih_ep;
- data = g_malloc(hdr->ih_size);
+ *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;
}
@@ -534,11 +534,11 @@ 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");
@@ -547,7 +547,11 @@ 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;
@@ -555,12 +559,41 @@ 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;
+
+ uimage_physical_loader(image->name, image->ep, &data, &image->addr,
+ image->is_linux, 1);
+ g_free(data);
+}
+
+/* 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->addr = *loadaddr;
+ image->ep = ep;
+ image->is_linux = is_linux;
+ qemu_register_reset(uimage_reset, image);
+ }
+ return size;
+}
+
/*
* Functions for reboot-persistent memory regions.
* - used for vga bios and option roms.
@@ -708,11 +741,8 @@ static void rom_reset(void *unused)
continue;
}
cpu_physical_memory_write_rom(rom->addr, rom->data, rom->romsize);
- if (rom->isrom) {
- /* rom needs to be written only once */
- g_free(rom->data);
- rom->data = NULL;
- }
+ g_free(rom->data);
+ rom->data = NULL;
}
}
@@ -4,8 +4,14 @@
typedef struct ImageFile ImageFile;
struct ImageFile {
char *name;
- char *dir;
hwaddr addr;
+ int reset;
+ /* rom file */
+ char *dir;
+ /* uimage */
+ hwaddr *ep;
+ int *is_linux;
+
};
/* loader.c */
Signed-off-by: Olivia Yin <hong-hua.yin@freescale.com> --- hw/loader.c | 64 +++++++++++++++++++++++++++++++++++++++++++--------------- hw/loader.h | 8 ++++++- 2 files changed, 54 insertions(+), 18 deletions(-)