Page MenuHomeFreeBSD
Files F151132432

D22191.id135746.diff
No OneTemporary
Actions

D22191.id135746.diff
View Options

diff --git a/sys/ddb/db_break.c b/sys/ddb/db_break.c
--- a/sys/ddb/db_break.c
+++ b/sys/ddb/db_break.c
@@ -39,6 +39,8 @@
#include <vm/vm.h>
#include <vm/vm_kern.h>
+#include <machine/kdb.h>
+
#include <ddb/ddb.h>
#include <ddb/db_break.h>
#include <ddb/db_access.h>
@@ -245,11 +247,45 @@
db_set_breakpoint(db_map_addr(addr), (db_addr_t)addr, count);
}
+#ifdef HAS_HW_BREAKPOINT
+/* Delete hardware breakpoint */
+void
+db_deletehbreak_cmd(db_expr_t addr, bool have_addr, db_expr_t count,
+ char *modif)
+{
+ int rc;
+
+ if (count == -1)
+ count = 1;
+
+ rc = kdb_cpu_clr_breakpoint(addr, count);
+ if (rc < 0)
+ db_printf("hardware breakpoint could not be delete\n");
+}
+
+/* Set hardware breakpoint */
+void
+db_hbreakpoint_cmd(db_expr_t addr, bool have_addr, db_expr_t count, char *modif)
+{
+ int rc;
+
+ if (count == -1)
+ count = 1;
+
+ rc = kdb_cpu_set_breakpoint(addr, count);
+ if (rc < 0)
+ db_printf("hardware breakpoint could not be set\n");
+}
+#endif
+
/* list breakpoints */
void
db_listbreak_cmd(db_expr_t dummy1, bool dummy2, db_expr_t dummy3, char *dummy4)
{
db_list_breakpoints();
+#ifdef HAS_HW_BREAKPOINT
+ db_md_list_breakpoints();
+#endif
}
/*
diff --git a/sys/ddb/db_command.c b/sys/ddb/db_command.c
--- a/sys/ddb/db_command.c
+++ b/sys/ddb/db_command.c
@@ -126,6 +126,10 @@
DB_CMD("delete", db_delete_cmd, 0),
DB_CMD("d", db_delete_cmd, 0),
DB_CMD("dump", db_dump, DB_CMD_MEMSAFE),
+#ifdef HAS_HW_BREAKPOINT
+ DB_CMD("dhbreak", db_deletehbreak_cmd, 0),
+ DB_CMD("hbreak", db_hbreakpoint_cmd, 0),
+#endif
DB_CMD("break", db_breakpoint_cmd, 0),
DB_CMD("b", db_breakpoint_cmd, 0),
DB_CMD("dwatch", db_deletewatch_cmd, 0),
diff --git a/sys/ddb/ddb.h b/sys/ddb/ddb.h
--- a/sys/ddb/ddb.h
+++ b/sys/ddb/ddb.h
@@ -298,6 +298,13 @@
db_cmdfcn_t db_watchpoint_cmd;
db_cmdfcn_t db_write_cmd;
+#ifdef HAS_HW_BREAKPOINT
+void db_md_list_breakpoints(void);
+
+db_cmdfcn_t db_deletehbreak_cmd;
+db_cmdfcn_t db_hbreakpoint_cmd;
+#endif
+
/*
* Interface between DDB and the DDB output capture facility.
*/

File Metadata

Mime Type
text/plain
Expires
Tue, Apr 7, 7:34 AM (1 h, 34 m)
Storage Engine
blob
Storage Format
Raw Data
Storage Handle
31018854
Default Alt Text
D22191.id135746.diff (2 KB)

Event Timeline