linux-kernel - [PATCH 12/13] kdb: Add mdpW / mdpWcN commands

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Date: Mon, 17 Jun 2024 17:34:46 -0700
From: Douglas Anderson <dianders@...omium.org>
To: Daniel Thompson <daniel.thompson@...aro.org>
Cc: kgdb-bugreport@...ts.sourceforge.net,
	Douglas Anderson <dianders@...omium.org>,
	Christophe JAILLET <christophe.jaillet@...adoo.fr>,
	Jason Wessel <jason.wessel@...driver.com>,
	Thorsten Blum <thorsten.blum@...lux.com>,
	Yuran Pereira <yuran.pereira@...mail.com>,
	linux-kernel@...r.kernel.org
Subject: [PATCH 12/13] kdb: Add mdpW / mdpWcN commands

When specifying a physical address allow specifying the word side and
the number of words.

NOTE: we don't do this for the "mds" command since it's pretty much a
different beast.

Signed-off-by: Douglas Anderson <dianders@...omium.org>
---

 kernel/debug/kdb/kdb_main.c | 16 ++++++++++++++--
 1 file changed, 14 insertions(+), 2 deletions(-)

diff --git a/kernel/debug/kdb/kdb_main.c b/kernel/debug/kdb/kdb_main.c
index 1a37c9bb505c..be72657741a5 100644
--- a/kernel/debug/kdb/kdb_main.c
+++ b/kernel/debug/kdb/kdb_main.c
@@ -1653,10 +1653,10 @@ static int kdb_md(int argc, const char **argv)
 
 	if (kdb_md_parse_arg0("md", argv[0], &repeat, &bytesperword))
 		valid = true;
+	else if (kdb_md_parse_arg0("mdp", argv[0], &repeat, &bytesperword))
+		phys = valid = true;
 	else if (strcmp(argv[0], "mds") == 0)
 		valid = true;
-	else if (strcmp(argv[0], "mdp") == 0)
-		phys = valid = true;
 
 	if (!valid)
 		return KDB_NOTFOUND;
@@ -2705,6 +2705,18 @@ static kdbtab_t maintab[] = {
 		.help = "Display RAM given a physical address",
 		.flags = KDB_ENABLE_MEM_READ | KDB_REPEAT_NO_ARGS,
 	},
+	{	.name = "mdpW",
+		.func = kdb_md,
+		.usage = "<paddr> [<lines> [<radix>]]",
+		.help = "Display RAM given a PA using word size (W)",
+		.flags = KDB_ENABLE_MEM_READ | KDB_REPEAT_NO_ARGS,
+	},
+	{	.name = "mdpWcN",
+		.func = kdb_md,
+		.usage = "<paddr> [<lines> [<radix>]]",
+		.help = "Display RAM given a PA using word size (W); show N words",
+		.flags = KDB_ENABLE_MEM_READ | KDB_REPEAT_NO_ARGS,
+	},
 	{	.name = "mdr",
 		.func = kdb_mdr,
 		.usage = "<vaddr> <bytes>",
-- 
2.45.2.627.g7a2c4fd464-goog