u-boot/common/spl/spl_ymodem.c
Heinrich Schuchardt c670aeee3d common: rename getc() to getchar()
The sandbox is built with the SDL2 library with invokes the X11 library
which in turn calls getc(). But getc() in glibc is defined as

    int getc(FILE *)

This does not match our definition.

    int getc(void)

The sandbox crashes when called with parameter -l.

Rename our library symbol getc() to getchar().

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Reviewed-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
2020-10-22 09:54:53 -04:00

181 lines
4 KiB
C

// SPDX-License-Identifier: GPL-2.0+
/*
* (C) Copyright 2000-2004
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* (C) Copyright 2011
* Texas Instruments, <www.ti.com>
*
* Matt Porter <mporter@ti.com>
*/
#include <common.h>
#include <gzip.h>
#include <image.h>
#include <log.h>
#include <spl.h>
#include <xyzModem.h>
#include <asm/u-boot.h>
#include <linux/libfdt.h>
#define BUF_SIZE 1024
/*
* Information required to load image using ymodem.
*
* @image_read: Now of bytes read from the image.
* @buf: pointer to the previous read block.
*/
struct ymodem_fit_info {
int image_read;
char *buf;
};
static int getcymodem(void) {
if (tstc())
return (getchar());
return -1;
}
static ulong ymodem_read_fit(struct spl_load_info *load, ulong offset,
ulong size, void *addr)
{
int res, err, buf_offset;
struct ymodem_fit_info *info = load->priv;
char *buf = info->buf;
while (info->image_read < offset) {
res = xyzModem_stream_read(buf, BUF_SIZE, &err);
if (res <= 0)
break;
info->image_read += res;
}
if (info->image_read > offset) {
res = info->image_read - offset;
if (info->image_read % BUF_SIZE)
buf_offset = (info->image_read % BUF_SIZE);
else
buf_offset = BUF_SIZE;
memcpy(addr, &buf[buf_offset - res], res);
addr = addr + res;
}
while (info->image_read < offset + size) {
res = xyzModem_stream_read(buf, BUF_SIZE, &err);
if (res <= 0)
break;
memcpy(addr, buf, res);
info->image_read += res;
addr += res;
}
return size;
}
int spl_ymodem_load_image(struct spl_image_info *spl_image,
struct spl_boot_device *bootdev)
{
ulong size = 0;
int err;
int res;
int ret;
connection_info_t info;
char buf[BUF_SIZE];
struct image_header *ih = NULL;
ulong addr = 0;
info.mode = xyzModem_ymodem;
ret = xyzModem_stream_open(&info, &err);
if (ret) {
printf("spl: ymodem err - %s\n", xyzModem_error(err));
return ret;
}
res = xyzModem_stream_read(buf, BUF_SIZE, &err);
if (res <= 0)
goto end_stream;
if (IS_ENABLED(CONFIG_SPL_LOAD_FIT_FULL) &&
image_get_magic((struct image_header *)buf) == FDT_MAGIC) {
addr = CONFIG_SYS_LOAD_ADDR;
ih = (struct image_header *)addr;
memcpy((void *)addr, buf, res);
size += res;
addr += res;
while ((res = xyzModem_stream_read(buf, BUF_SIZE, &err)) > 0) {
memcpy((void *)addr, buf, res);
size += res;
addr += res;
}
ret = spl_parse_image_header(spl_image, ih);
if (ret)
return ret;
} else if (IS_ENABLED(CONFIG_SPL_LOAD_FIT) &&
image_get_magic((struct image_header *)buf) == FDT_MAGIC) {
struct spl_load_info load;
struct ymodem_fit_info info;
debug("Found FIT\n");
load.dev = NULL;
load.priv = (void *)&info;
load.filename = NULL;
load.bl_len = 1;
info.buf = buf;
info.image_read = BUF_SIZE;
load.read = ymodem_read_fit;
ret = spl_load_simple_fit(spl_image, &load, 0, (void *)buf);
size = info.image_read;
while ((res = xyzModem_stream_read(buf, BUF_SIZE, &err)) > 0)
size += res;
} else {
ih = (struct image_header *)buf;
ret = spl_parse_image_header(spl_image, ih);
if (ret)
goto end_stream;
#ifdef CONFIG_SPL_GZIP
if (ih->ih_comp == IH_COMP_GZIP)
addr = CONFIG_SYS_LOAD_ADDR;
else
#endif
addr = spl_image->load_addr;
memcpy((void *)addr, buf, res);
ih = (struct image_header *)addr;
size += res;
addr += res;
while ((res = xyzModem_stream_read(buf, BUF_SIZE, &err)) > 0) {
memcpy((void *)addr, buf, res);
size += res;
addr += res;
}
}
end_stream:
xyzModem_stream_close(&err);
xyzModem_stream_terminate(false, &getcymodem);
printf("Loaded %lu bytes\n", size);
#ifdef CONFIG_SPL_GZIP
if (!(IS_ENABLED(CONFIG_SPL_LOAD_FIT) &&
image_get_magic((struct image_header *)buf) == FDT_MAGIC) &&
(ih->ih_comp == IH_COMP_GZIP)) {
if (gunzip((void *)(spl_image->load_addr + sizeof(*ih)),
CONFIG_SYS_BOOTM_LEN,
(void *)(CONFIG_SYS_LOAD_ADDR + sizeof(*ih)),
&size)) {
puts("Uncompressing error\n");
return -EIO;
}
}
#endif
return ret;
}
SPL_LOAD_IMAGE_METHOD("UART", 0, BOOT_DEVICE_UART, spl_ymodem_load_image);