Thanks to API separation between SWIM and the other transports, we
can easily split the memory read/write for SWIM from the rest of
the code.
While there, use the macro STLINK_DATA_SIZE as size of data chunks
that can be read/write in SWIM. This was not implemented before.
Change-Id: I7d913c92539007e4d914480bacc0126a8f0e9705
Signed-off-by: Antonio Borneo <borneo.antonio@gmail.com>
Reviewed-on: http://openocd.zylin.com/5531
Tested-by: jenkins
if (count < bytes_remaining)
bytes_remaining = count;
if (count < bytes_remaining)
bytes_remaining = count;
- if (h->st_mode == STLINK_MODE_DEBUG_SWIM) {
- retval = stlink_swim_readbytes(handle, addr, bytes_remaining, buffer);
- if (retval != ERROR_OK)
- return retval;
- } else
/*
* all stlink support 8/32bit memory read/writes and only from
* stlink V2J26 there is support for 16 bit memory read/write.
/*
* all stlink support 8/32bit memory read/writes and only from
* stlink V2J26 there is support for 16 bit memory read/write.
if (count < bytes_remaining)
bytes_remaining = count;
if (count < bytes_remaining)
bytes_remaining = count;
- if (h->st_mode == STLINK_MODE_DEBUG_SWIM) {
- retval = stlink_swim_writebytes(handle, addr, bytes_remaining, buffer);
- if (retval != ERROR_OK)
- return retval;
- } else
/*
* all stlink support 8/32bit memory read/writes and only from
* stlink V2J26 there is support for 16 bit memory read/write.
/*
* all stlink support 8/32bit memory read/writes and only from
* stlink V2J26 there is support for 16 bit memory read/write.
static int stlink_swim_op_read_mem(uint32_t addr, uint32_t size,
uint32_t count, uint8_t *buffer)
{
static int stlink_swim_op_read_mem(uint32_t addr, uint32_t size,
uint32_t count, uint8_t *buffer)
{
- return stlink_usb_read_mem(stlink_dap_handle, addr, size, count, buffer);
+ int retval;
+ uint32_t bytes_remaining;
+
+ LOG_DEBUG_IO("read at 0x%08x len %d*0x%08x", addr, size, count);
+ count *= size;
+
+ while (count) {
+ bytes_remaining = (count > STLINK_DATA_SIZE) ? STLINK_DATA_SIZE : count;
+ retval = stlink_swim_readbytes(stlink_dap_handle, addr, bytes_remaining, buffer);
+ if (retval != ERROR_OK)
+ return retval;
+
+ buffer += bytes_remaining;
+ addr += bytes_remaining;
+ count -= bytes_remaining;
+ }
+
+ return ERROR_OK;
}
static int stlink_swim_op_write_mem(uint32_t addr, uint32_t size,
uint32_t count, const uint8_t *buffer)
{
}
static int stlink_swim_op_write_mem(uint32_t addr, uint32_t size,
uint32_t count, const uint8_t *buffer)
{
- return stlink_usb_write_mem(stlink_dap_handle, addr, size, count, buffer);
+ int retval;
+ uint32_t bytes_remaining;
+
+ LOG_DEBUG_IO("write at 0x%08x len %d*0x%08x", addr, size, count);
+ count *= size;
+
+ while (count) {
+ bytes_remaining = (count > STLINK_DATA_SIZE) ? STLINK_DATA_SIZE : count;
+ retval = stlink_swim_writebytes(stlink_dap_handle, addr, bytes_remaining, buffer);
+ if (retval != ERROR_OK)
+ return retval;
+
+ buffer += bytes_remaining;
+ addr += bytes_remaining;
+ count -= bytes_remaining;
+ }
+
+ return ERROR_OK;
}
static int stlink_swim_op_reconnect(void)
}
static int stlink_swim_op_reconnect(void)