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ipdbg/pld: ipdbg can get tap and hub/ir from pld driver.

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To start a ipdbg server one needs to know the tap and the
instruction code to reach the IPDBG-Hub. This instruction is
vendor/family specific. Knowledge which can be provided by the
pld driver.

Change-Id: I13eeb9fee895d65cd48544da4704fcc9b528b869
Signed-off-by: Daniel Anselmi <danselmi@gmx.ch>
Reviewed-on: https://review.openocd.org/c/openocd/+/7369
Tested-by: jenkins
Reviewed-by: Antonio Borneo <borneo.antonio@gmail.com>
This commit is contained in:
Daniel Anselmi
2023-04-15 01:13:12 +02:00
committed by Antonio Borneo
parent 373d7eaa70
commit a27907aed1
10 changed files with 245 additions and 9 deletions
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32
src/server/ipdbg.c
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@@ -10,11 +10,12 @@
#include <jtag/jtag.h>
#include <server/server.h>
#include <target/target.h>
#include <pld/pld.h>
#include "ipdbg.h"
#define IPDBG_BUFFER_SIZE 16384
#define IPDBG_MIN_NUM_OF_OPTIONS 4
#define IPDBG_MIN_NUM_OF_OPTIONS 2
#define IPDBG_MAX_NUM_OF_OPTIONS 14
#define IPDBG_MIN_DR_LENGTH 11
#define IPDBG_MAX_DR_LENGTH 13
@@ -716,6 +717,7 @@ COMMAND_HANDLER(handle_ipdbg_command)
uint32_t virtual_ir_length = 5;
uint32_t virtual_ir_value = 0x11;
struct ipdbg_virtual_ir_info *virtual_ir = NULL;
int user_num = 1;
if ((CMD_ARGC < IPDBG_MIN_NUM_OF_OPTIONS) || (CMD_ARGC > IPDBG_MAX_NUM_OF_OPTIONS))
return ERROR_COMMAND_SYNTAX_ERROR;
@@ -742,6 +744,34 @@ COMMAND_HANDLER(handle_ipdbg_command)
IPDBG_MIN_DR_LENGTH, IPDBG_MAX_DR_LENGTH);
return ERROR_FAIL;
}
} else if (strcmp(CMD_ARGV[i], "-pld") == 0) {
++i;
if (i >= CMD_ARGC || CMD_ARGV[i][0] == '-')
return ERROR_COMMAND_SYNTAX_ERROR;
struct pld_device *device = get_pld_device_by_name_or_numstr(CMD_ARGV[i]);
if (!device || !device->driver) {
command_print(CMD, "pld device '#%s' is out of bounds or unknown", CMD_ARGV[i]);
return ERROR_FAIL;
}
COMMAND_PARSE_OPTIONAL_NUMBER(int, i, user_num);
struct pld_ipdbg_hub pld_hub;
struct pld_driver *driver = device->driver;
if (!driver->get_ipdbg_hub) {
command_print(CMD, "pld driver has no ipdbg support");
return ERROR_FAIL;
}
if (driver->get_ipdbg_hub(user_num, device, &pld_hub) != ERROR_OK) {
command_print(CMD, "unable to retrieve hub from pld driver");
return ERROR_FAIL;
}
if (!pld_hub.tap) {
command_print(CMD, "no tap received from pld driver");
return ERROR_FAIL;
}
hub_configured = true;
user_instruction = pld_hub.user_ir_code;
tap = pld_hub.tap;
} else if (strcmp(CMD_ARGV[i], "-vir") == 0) {
COMMAND_PARSE_OPTIONAL_NUMBER(u32, i, virtual_ir_value);
COMMAND_PARSE_OPTIONAL_NUMBER(u32, i, virtual_ir_length);