From 15ae1ac678b037f3eac7de7b31da818020005fdc Mon Sep 17 00:00:00 2001
From: zwelch <zwelch@b42882b7-edfa-0310-969c-e2dbd0fdcd60>
Date: Sun, 7 Jun 2009 05:22:42 +0000
Subject: [PATCH] Factoring of jtag_examine_chain for maintainability: - Reduce
indent: invert logic test for unexpected TAP (no IDs).
git-svn-id: svn://svn.berlios.de/openocd/trunk@2081 b42882b7-edfa-0310-969c-e2dbd0fdcd60
---
src/jtag/jtag.c | 66 ++++++++++++++++++++++++++-----------------------
1 file changed, 35 insertions(+), 31 deletions(-)
diff --git a/src/jtag/jtag.c b/src/jtag/jtag.c
index ca4eb6849..47d16fdf1 100644
--- a/src/jtag/jtag.c
+++ b/src/jtag/jtag.c
@@ -1058,44 +1058,48 @@ static int jtag_examine_chain(void)
tap->idcode = idcode;
- if (tap->expected_ids_cnt > 0) {
+ if (0 == tap->expected_ids_cnt)
+ {
+ // @todo Enable LOG_INFO to ask for reports about unknown TAP IDs.
+#if 0
+ LOG_INFO("Uknown JTAG TAP ID: 0x%08x", tap->idcode)
+ LOG_INFO("Please report the chip name and reported ID code to the openocd project");
+#endif
+ tap = jtag_tap_next_enabled(tap);
+ continue;
+ }
/* Loop over the expected identification codes and test for a match */
- u8 ii;
- for (ii = 0; ii < tap->expected_ids_cnt; ii++) {
- if( tap->idcode == tap->expected_ids[ii] ){
- break;
- }
+ u8 ii;
+ for (ii = 0; ii < tap->expected_ids_cnt; ii++) {
+ if (tap->idcode == tap->expected_ids[ii]) {
+ break;
}
+ }
- /* If none of the expected ids matched, log an error */
- if (ii == tap->expected_ids_cnt) {
- LOG_ERROR("JTAG tap: %s got: 0x%08x (mfg: 0x%3.3x, part: 0x%4.4x, ver: 0x%1.1x)",
+ /* If none of the expected ids matched, log an error */
+ if (ii == tap->expected_ids_cnt) {
+ LOG_ERROR("JTAG tap: %s got: 0x%08x (mfg: 0x%3.3x, part: 0x%4.4x, ver: 0x%1.1x)",
+ tap->dotted_name,
+ idcode,
+ EXTRACT_MFG( tap->idcode ),
+ EXTRACT_PART( tap->idcode ),
+ EXTRACT_VER( tap->idcode ) );
+ for (ii = 0; ii < tap->expected_ids_cnt; ii++) {
+ LOG_ERROR("JTAG tap: %s expected %hhu of %hhu: 0x%08x (mfg: 0x%3.3x, part: 0x%4.4x, ver: 0x%1.1x)",
tap->dotted_name,
- idcode,
- EXTRACT_MFG( tap->idcode ),
- EXTRACT_PART( tap->idcode ),
- EXTRACT_VER( tap->idcode ) );
- for (ii = 0; ii < tap->expected_ids_cnt; ii++) {
- LOG_ERROR("JTAG tap: %s expected %hhu of %hhu: 0x%08x (mfg: 0x%3.3x, part: 0x%4.4x, ver: 0x%1.1x)",
- tap->dotted_name,
- ii + 1,
- tap->expected_ids_cnt,
- tap->expected_ids[ii],
- EXTRACT_MFG( tap->expected_ids[ii] ),
- EXTRACT_PART( tap->expected_ids[ii] ),
- EXTRACT_VER( tap->expected_ids[ii] ) );
- }
-
- return ERROR_JTAG_INIT_FAILED;
- } else {
- LOG_INFO("JTAG Tap/device matched");
+ ii + 1,
+ tap->expected_ids_cnt,
+ tap->expected_ids[ii],
+ EXTRACT_MFG( tap->expected_ids[ii] ),
+ EXTRACT_PART( tap->expected_ids[ii] ),
+ EXTRACT_VER( tap->expected_ids[ii] ) );
}
+
+ return ERROR_JTAG_INIT_FAILED;
} else {
-#if 0
- LOG_INFO("JTAG TAP ID: 0x%08x - Unknown - please report (A) chipname and (B) idcode to the openocd project",
- tap->idcode);
-#endif
+ LOG_INFO("JTAG Tap/device matched");
}
+
tap = jtag_tap_next_enabled(tap);
}
--
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