diff mbox series

[v2,04/29] queries for resets and triggers added

Message ID 20231006090610.26171-5-nicolas.eder@lauterbach.com
State New
Headers show
Series first version of mcdstub | expand

Commit Message

nicolas.eder@lauterbach.com Oct. 6, 2023, 9:05 a.m. UTC 
From: neder <nicolas.eder@lauterbach.com>

---
 mcdstub/internals.h |  9 +++++++++
 mcdstub/mcdstub.c   | 19 ++++++++++++++++++-
 2 files changed, 27 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/mcdstub/internals.h b/mcdstub/internals.h
index 5af705a12a..ce3bffe7e6 100644
--- a/mcdstub/internals.h
+++ b/mcdstub/internals.h
@@ -11,6 +11,14 @@ 
 
 #define MAX_PACKET_LENGTH 1024
 
+// trigger defines
+#define MCD_TRIG_TYPE_IP 0x00000001
+#define MCD_TRIG_TYPE_READ 0x00000002
+#define MCD_TRIG_TYPE_WRITE 0x00000004
+#define MCD_TRIG_TYPE_RW 0x00000008
+#define MCD_TRIG_OPT_DATA_IS_CONDITION 0x00000008
+#define MCD_TRIG_ACTION_DBG_DEBUG 0x00000001
+
 /*
  * lookuptable for transmitted signals
  */
@@ -180,6 +188,7 @@  CPUState *find_cpu(uint32_t thread_id);
 void handle_core_open(GArray *params, void *user_ctx);
 void handle_query_reset(GArray *params, void *user_ctx);
 void handle_detach(GArray *params, void *user_ctx);
+void handle_query_trigger(GArray *params, void *user_ctx);
 void mcd_continue(void);
 
 /* sycall handling */
diff --git a/mcdstub/mcdstub.c b/mcdstub/mcdstub.c
index 75b38d910a..1d066c8169 100644
--- a/mcdstub/mcdstub.c
+++ b/mcdstub/mcdstub.c
@@ -57,6 +57,10 @@  static const MCDCmdParseEntry mcd_gen_query_table[] = {
         .handler = handle_query_reset,
         .cmd = "reset",
     },
+    {
+        .handler = handle_query_trigger,
+        .cmd = "trigger",
+    },
 };
 
 void mcd_init_mcdserver_state(void)
@@ -991,7 +995,8 @@  void handle_core_open(GArray *params, void *user_ctx) {
 void handle_query_reset(GArray *params, void *user_ctx) {
     // resetting has to be done over a monitor (look ar Rcmd) so we tell MCD that we can reset but this still need to be implemented
     // we only support one reset over this monitor and that would be a fully "system_restart"
-    mcd_put_packet("info_rst=\"results in a full system restart\"");
+    mcd_put_packet("nr=\"3\",info=\"0,full_system_reset;1,gpr_reset;2,memory_reset;\"");
+    // TODO: we still need to implement the gpr and memory reset here!
 }
 
 void handle_detach(GArray *params, void *user_ctx) {
@@ -1022,6 +1027,18 @@  void handle_detach(GArray *params, void *user_ctx) {
     }
 }
 
+void handle_query_trigger(GArray *params, void *user_ctx) {
+    // set the type, option and action bitmask and send it
+
+    uint32_t type = (MCD_TRIG_TYPE_IP | MCD_TRIG_TYPE_READ | MCD_TRIG_TYPE_WRITE | MCD_TRIG_TYPE_RW);
+    uint32_t option = (MCD_TRIG_OPT_DATA_IS_CONDITION);
+    uint32_t action = (MCD_TRIG_ACTION_DBG_DEBUG);
+    uint32_t nr_trigger = 4;
+
+    g_string_append_printf(mcdserver_state.str_buf, "nr=\"%d\",info=\"%d;%d;%d;\"", nr_trigger, type, option, action);
+    mcd_put_strbuf();
+}
+
 void mcd_continue(void)
 {
     if (!runstate_needs_reset()) {