+static int dsp563xx_write_memory_p(struct target *target, uint32_t address, uint32_t size, uint32_t count, uint8_t * buffer)
+{
+ return dsp563xx_write_memory(target, MEM_P, address, size, count, buffer);
+}
+
+static void handle_md_output(struct command_context *cmd_ctx, struct target *target, uint32_t address, unsigned size, unsigned count, const uint8_t * buffer)
+{
+ const unsigned line_bytecnt = 32;
+ unsigned line_modulo = line_bytecnt / size;
+
+ char output[line_bytecnt * 4 + 1];
+ unsigned output_len = 0;
+
+ const char *value_fmt;
+ switch (size)
+ {
+ case 4:
+ value_fmt = "%8.8x ";
+ break;
+ case 2:
+ value_fmt = "%4.4x ";
+ break;
+ case 1:
+ value_fmt = "%2.2x ";
+ break;
+ default:
+ /* "can't happen", caller checked */
+ LOG_ERROR("invalid memory read size: %u", size);
+ return;
+ }
+
+ for (unsigned i = 0; i < count; i++)
+ {
+ if (i % line_modulo == 0)
+ {
+ output_len += snprintf(output + output_len, sizeof(output) - output_len, "0x%8.8x: ", (unsigned) (address + (i * size)));
+ }
+
+ uint32_t value = 0;
+ const uint8_t *value_ptr = buffer + i * size;
+ switch (size)
+ {
+ case 4:
+ value = target_buffer_get_u32(target, value_ptr);
+ break;
+ case 2:
+ value = target_buffer_get_u16(target, value_ptr);
+ break;
+ case 1:
+ value = *value_ptr;
+ }
+ output_len += snprintf(output + output_len, sizeof(output) - output_len, value_fmt, value);
+
+ if ((i % line_modulo == line_modulo - 1) || (i == count - 1))
+ {
+ command_print(cmd_ctx, "%s", output);
+ output_len = 0;
+ }
+ }
+}
+
+COMMAND_HANDLER(dsp563xx_mem_command)
+{
+ struct target *target = get_current_target(CMD_CTX);
+ int err = ERROR_OK;
+ int read_mem;
+ uint32_t address = 0;
+ uint32_t count = 1, i;
+ uint32_t pattern = 0;
+ uint32_t mem_type;
+ uint8_t *buffer, *b;
+
+ switch (CMD_NAME[1])
+ {
+ case 'w':
+ read_mem = 0;
+ break;
+ case 'd':
+ read_mem = 1;
+ break;
+ default:
+ return ERROR_COMMAND_SYNTAX_ERROR;
+ }
+
+ switch (CMD_NAME[3])
+ {
+ case 'x':
+ mem_type = MEM_X;
+ break;
+ case 'y':
+ mem_type = MEM_Y;
+ break;
+ case 'p':
+ mem_type = MEM_P;
+ break;
+ default:
+ return ERROR_COMMAND_SYNTAX_ERROR;
+ }
+
+ if (CMD_ARGC > 0)
+ {
+ COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], address);
+ }
+
+ if (read_mem == 0)
+ {
+ if (CMD_ARGC < 2)
+ {
+ return ERROR_COMMAND_SYNTAX_ERROR;
+ }
+ if (CMD_ARGC > 1)
+ {
+ COMMAND_PARSE_NUMBER(u32, CMD_ARGV[1], pattern);
+ }
+ if (CMD_ARGC > 2)
+ {
+ COMMAND_PARSE_NUMBER(u32, CMD_ARGV[2], count);
+ }
+ }
+
+ if (read_mem == 1)
+ {
+ if (CMD_ARGC < 1)
+ {
+ return ERROR_COMMAND_SYNTAX_ERROR;
+ }
+ if (CMD_ARGC > 1)
+ {
+ COMMAND_PARSE_NUMBER(u32, CMD_ARGV[1], count);
+ }
+ }
+
+ buffer = calloc(count, sizeof(uint32_t));
+
+ if (read_mem == 1)
+ {
+ if ((err = dsp563xx_read_memory(target, mem_type, address, sizeof(uint32_t), count, buffer)) == ERROR_OK)
+ handle_md_output(CMD_CTX, target, address, sizeof(uint32_t), count, buffer);
+ }
+ else
+ {
+ b = buffer;
+
+ for (i = 0; i < count; i++)
+ {
+ target_buffer_set_u32(target, b, pattern);
+ b += 4;
+ }
+
+ err = dsp563xx_write_memory(target, mem_type, address, sizeof(uint32_t), count, buffer);
+ }
+
+ free(buffer);
+
+ return err;
+}
+
+static const struct command_registration dsp563xx_command_handlers[] = {
+ {
+ .name = "mwwx",
+ .handler = dsp563xx_mem_command,
+ .mode = COMMAND_EXEC,
+ .help = "write x memory words",
+ .usage = "mwwx address value [count]",
+ },
+ {
+ .name = "mwwy",
+ .handler = dsp563xx_mem_command,
+ .mode = COMMAND_EXEC,
+ .help = "write y memory words",
+ .usage = "mwwy address value [count]",
+ },
+ {
+ .name = "mwwp",
+ .handler = dsp563xx_mem_command,
+ .mode = COMMAND_EXEC,
+ .help = "write p memory words",
+ .usage = "mwwp address value [count]",
+ },
+ {
+ .name = "mdwx",
+ .handler = dsp563xx_mem_command,
+ .mode = COMMAND_EXEC,
+ .help = "display x memory words",
+ .usage = "mdwx address [count]",
+ },
+ {
+ .name = "mdwy",
+ .handler = dsp563xx_mem_command,
+ .mode = COMMAND_EXEC,
+ .help = "display y memory words",
+ .usage = "mdwy address [count]",
+ },
+ {
+ .name = "mdwp",
+ .handler = dsp563xx_mem_command,
+ .mode = COMMAND_EXEC,
+ .help = "display p memory words",
+ .usage = "mdwp address [count]",
+ },
+ COMMAND_REGISTRATION_DONE
+};
+