From d8b210c7f3d6603713b76d283ec5ceb5a2e0965d Mon Sep 17 00:00:00 2001
From: Tay <tay@xenon>
Date: Sun, 12 Oct 2025 01:48:36 +0000
Subject: [PATCH 01/21] Increase amount of probes and overall timeout for DHCP.
 Makes DHCP on latent networks more stable.

---
 libxenon/drivers/network/network.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/libxenon/drivers/network/network.c b/libxenon/drivers/network/network.c
index 456acb2e..71eaee2b 100644
--- a/libxenon/drivers/network/network.c
+++ b/libxenon/drivers/network/network.c
@@ -64,10 +64,10 @@ void network_init()
 
 	dhcp_wait=mftb();
 	int i = 0;
-	while (netif.ip_addr.addr==0 && i < 60) {
+	while (netif.ip_addr.addr==0 && i < 90) {
 		network_poll();
 		now2=mftb();
-		if (tb_diff_msec(now2, dhcp_wait) >= 250){
+		if (tb_diff_msec(now2, dhcp_wait) >= 300){
 			dhcp_wait=mftb();
 			i++;
 			if (i % 2)

From d712cf6c66275dc4a00f599392f5f81b5e1606b4 Mon Sep 17 00:00:00 2001
From: Tay <tay@xenon>
Date: Sun, 12 Oct 2025 16:59:03 +0000
Subject: [PATCH 02/21] Polish up crash handling input options

---
 libxenon/drivers/ppc/c_except.c | 47 ++++++++++++++++++++++++++++-----
 1 file changed, 40 insertions(+), 7 deletions(-)

diff --git a/libxenon/drivers/ppc/c_except.c b/libxenon/drivers/ppc/c_except.c
index 6c30ee72..87c4d2b6 100644
--- a/libxenon/drivers/ppc/c_except.c
+++ b/libxenon/drivers/ppc/c_except.c
@@ -1,4 +1,6 @@
 #include <console/console.h>
+#include <console/telnet_console.h>
+#include <input/input.h>
 #include <ppc/cache.h>
 #include <ppc/register.h>
 #include <stdio.h>
@@ -9,6 +11,7 @@
 #include <xenon_uart/xenon_uart.h>
 #include <xenos/xenos.h>
 #include <xetypes.h>
+#include <usb/usbmain.h>
 
 #define CPU_STACK_TRACE_DEPTH		10
 
@@ -76,7 +79,8 @@ void crashdump(u32 exception,u64 * context)
 	console_set_colors(0x000080ff, 0xffffffff);
 	console_init();
 	console_clrscr();
-	
+	telnet_console_init();
+
 	if (exception){
 		sprintf(text,"\nException vector! (%p)\n\n",exception);
 	}else{
@@ -99,23 +103,52 @@ void crashdump(u32 exception,u64 * context)
 	
 	_cpu_print_stack((void*)(u32)context[36],(void*)(u32)context[32],(void*)(u32)context[1]);
 	
-	strcat(text,"\n\nOn uart: 'x'=Xell, 'h'=Halt, 'r'=Reboot\n\n");
+	strcat(text,"\n\nOn uart or telnet: 'x'=Xell, 'h'=Halt, 'r'=Reboot\n");
+	strcat(text,"On controller: 'x'=Xell, 'y'=Halt, 'b'=Reboot\n");
 
 	flush_console();
 
+	// Initialize 360 controller - taken from XeLL kbootconf.c
+	struct controller_data_s ctrl;
+	struct controller_data_s old_ctrl;
+
 	for(;;){
-		switch(getch()){
-			case 'x':
+		// Handle controller
+		if (get_controller_data(&ctrl, 0)) {
+			if (ctrl.x > old_ctrl.x){
 				exit(0);
+				for(;;);
 				break;
-			case 'h':
+			} else if (ctrl.y > old_ctrl.y){
 				xenon_smc_power_shutdown();
 				for(;;);
 				break;
-			case 'r':
+			} else if (ctrl.b > old_ctrl.b)
 				xenon_smc_power_reboot();
 				for(;;);
 				break;
-		}
+			old_ctrl=ctrl;
+        	}
+
+		usb_do_poll();
+
+		// Handle telnet or UART
+		if(kbhit()){
+			switch(getch()){
+				case 'x':
+					// Try reloading XeLL from NAND. (1f, 2f, gggggg)
+					// Platform specific functioanlity defined in libxenon/drivers/newlib/xenon_syscalls.c
+					exit(0);
+					break;
+				case 'h':
+					xenon_smc_power_shutdown();
+					for(;;);
+					break;
+				case 'r':
+					xenon_smc_power_reboot();
+					for(;;);
+					break;
+			}
+	}
 	}
 }

From 43c71c9ba2eba64677cf779a3e17671a5b494ff7 Mon Sep 17 00:00:00 2001
From: Tay <tay@xenon>
Date: Sun, 12 Oct 2025 17:05:34 +0000
Subject: [PATCH 03/21] Print network config and init network for telnet
 handling.

---
 libxenon/drivers/ppc/c_except.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/libxenon/drivers/ppc/c_except.c b/libxenon/drivers/ppc/c_except.c
index 87c4d2b6..1d4a016b 100644
--- a/libxenon/drivers/ppc/c_except.c
+++ b/libxenon/drivers/ppc/c_except.c
@@ -12,6 +12,7 @@
 #include <xenos/xenos.h>
 #include <xetypes.h>
 #include <usb/usbmain.h>
+#include <network/network.h>
 
 #define CPU_STACK_TRACE_DEPTH		10
 
@@ -112,6 +113,10 @@ void crashdump(u32 exception,u64 * context)
 	struct controller_data_s ctrl;
 	struct controller_data_s old_ctrl;
 
+	// For telnet handling
+	network_init();
+	network_print_config();
+	
 	for(;;){
 		// Handle controller
 		if (get_controller_data(&ctrl, 0)) {
@@ -131,6 +136,7 @@ void crashdump(u32 exception,u64 * context)
         	}
 
 		usb_do_poll();
+		network_poll();
 
 		// Handle telnet or UART
 		if(kbhit()){

From e72d1b168ff9600a212aca88037c3e9fd212aeb3 Mon Sep 17 00:00:00 2001
From: Tay <tay@xenon>
Date: Sun, 12 Oct 2025 17:19:16 +0000
Subject: [PATCH 04/21] Telnet handling is too unstable working only sometimes
 under certain conditions. Removing but leaving working controller handling.

---
 libxenon/drivers/ppc/c_except.c | 8 +-------
 1 file changed, 1 insertion(+), 7 deletions(-)

diff --git a/libxenon/drivers/ppc/c_except.c b/libxenon/drivers/ppc/c_except.c
index 1d4a016b..aa335918 100644
--- a/libxenon/drivers/ppc/c_except.c
+++ b/libxenon/drivers/ppc/c_except.c
@@ -80,7 +80,6 @@ void crashdump(u32 exception,u64 * context)
 	console_set_colors(0x000080ff, 0xffffffff);
 	console_init();
 	console_clrscr();
-	telnet_console_init();
 
 	if (exception){
 		sprintf(text,"\nException vector! (%p)\n\n",exception);
@@ -112,10 +111,6 @@ void crashdump(u32 exception,u64 * context)
 	// Initialize 360 controller - taken from XeLL kbootconf.c
 	struct controller_data_s ctrl;
 	struct controller_data_s old_ctrl;
-
-	// For telnet handling
-	network_init();
-	network_print_config();
 	
 	for(;;){
 		// Handle controller
@@ -136,9 +131,8 @@ void crashdump(u32 exception,u64 * context)
         	}
 
 		usb_do_poll();
-		network_poll();
 
-		// Handle telnet or UART
+		// Handle UART
 		if(kbhit()){
 			switch(getch()){
 				case 'x':

From af6d694b18601b91657fb4b9b45d391f5e73e406 Mon Sep 17 00:00:00 2001
From: Tay <tay@xenon>
Date: Sun, 12 Oct 2025 17:19:46 +0000
Subject: [PATCH 05/21] Telnet handling is too unstable working only sometimes
 under certain conditions. Removing but leaving working controller handling.

---
 libxenon/drivers/ppc/c_except.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/libxenon/drivers/ppc/c_except.c b/libxenon/drivers/ppc/c_except.c
index aa335918..e5c3c9dc 100644
--- a/libxenon/drivers/ppc/c_except.c
+++ b/libxenon/drivers/ppc/c_except.c
@@ -12,7 +12,6 @@
 #include <xenos/xenos.h>
 #include <xetypes.h>
 #include <usb/usbmain.h>
-#include <network/network.h>
 
 #define CPU_STACK_TRACE_DEPTH		10
 

From 20cf4fec13dc774b2c577d4ba5b981ceeeed3a05 Mon Sep 17 00:00:00 2001
From: Tay <tay@xenon>
Date: Sun, 12 Oct 2025 17:46:41 +0000
Subject: [PATCH 06/21] simplyify controller handling

---
 libxenon/drivers/ppc/c_except.c | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/libxenon/drivers/ppc/c_except.c b/libxenon/drivers/ppc/c_except.c
index e5c3c9dc..fd1cad20 100644
--- a/libxenon/drivers/ppc/c_except.c
+++ b/libxenon/drivers/ppc/c_except.c
@@ -114,20 +114,21 @@ void crashdump(u32 exception,u64 * context)
 	for(;;){
 		// Handle controller
 		if (get_controller_data(&ctrl, 0)) {
-			if (ctrl.x > old_ctrl.x){
+			if (ctrl.x){
 				exit(0);
 				for(;;);
 				break;
-			} else if (ctrl.y > old_ctrl.y){
+			} if (ctrl.y){
 				xenon_smc_power_shutdown();
 				for(;;);
 				break;
-			} else if (ctrl.b > old_ctrl.b)
+			} if (ctrl.b){
 				xenon_smc_power_reboot();
 				for(;;);
 				break;
+			}
 			old_ctrl=ctrl;
-        	}
+		}
 
 		usb_do_poll();
 

From 263fb9b8eff8de9c49aeafc5fef11e26e665f5db Mon Sep 17 00:00:00 2001
From: Tay <tay@xenon>
Date: Tue, 14 Oct 2025 02:28:38 +0000
Subject: [PATCH 07/21] Figured out why telnet was not working reliably -
 receive was disabled but transmit was enabled. Re-enabled receive buffer and
 pushing this after testing with it.

---
 libxenon/drivers/console/telnet_console.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/libxenon/drivers/console/telnet_console.c b/libxenon/drivers/console/telnet_console.c
index a3c4df58..e9b6a692 100644
--- a/libxenon/drivers/console/telnet_console.c
+++ b/libxenon/drivers/console/telnet_console.c
@@ -146,7 +146,6 @@ unsigned char recv_buf[512];
 /*===========================================================================*/
 static err_t telnet_recv(void *arg, struct tcp_pcb *pcb, struct pbuf *p, err_t err) {
 
-#if 0
     if (err == ERR_OK && p != NULL) {
         unsigned char * payload = (unsigned char*) p->payload;
 
@@ -178,7 +177,6 @@ static err_t telnet_recv(void *arg, struct tcp_pcb *pcb, struct pbuf *p, err_t e
     if (err == ERR_OK && p == NULL) {
         telnet_close(pcb);
     }
-#endif
 
     return ERR_OK;
 }

From af94d2c3e2570e0f7aad62a7f1c06f80773d4047 Mon Sep 17 00:00:00 2001
From: Tay <tay@xenon>
Date: Tue, 14 Oct 2025 02:30:33 +0000
Subject: [PATCH 08/21] Remove undefined reference

---
 libxenon/drivers/console/telnet_console.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libxenon/drivers/console/telnet_console.c b/libxenon/drivers/console/telnet_console.c
index e9b6a692..2c09da18 100644
--- a/libxenon/drivers/console/telnet_console.c
+++ b/libxenon/drivers/console/telnet_console.c
@@ -163,7 +163,7 @@ static err_t telnet_recv(void *arg, struct tcp_pcb *pcb, struct pbuf *p, err_t e
 
         if (recv_len > 2) {
             if ((recv_buf[recv_len - 2] == '\r')&(recv_buf[recv_len - 1] == '\n')) {
-                ParseArgs(recv_buf, recv_len);
+                //ParseArgs(recv_buf, recv_len);
                 //DebugBreak();
                 //tel_tx_str(recv_buf, recv_len);
                 //efface

From 6484919ff9482a697f2cf9650efc38792bf89a11 Mon Sep 17 00:00:00 2001
From: Tay <tay@xenon>
Date: Tue, 14 Oct 2025 23:30:28 +0000
Subject: [PATCH 09/21] Re-enable telnet. Add receive echo.

---
 libxenon/drivers/console/telnet_console.c | 5 +++--
 libxenon/drivers/ppc/c_except.c           | 1 +
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/libxenon/drivers/console/telnet_console.c b/libxenon/drivers/console/telnet_console.c
index 2c09da18..f44d5de4 100644
--- a/libxenon/drivers/console/telnet_console.c
+++ b/libxenon/drivers/console/telnet_console.c
@@ -166,9 +166,10 @@ static err_t telnet_recv(void *arg, struct tcp_pcb *pcb, struct pbuf *p, err_t e
                 //ParseArgs(recv_buf, recv_len);
                 //DebugBreak();
                 //tel_tx_str(recv_buf, recv_len);
-                //efface
+                // Echo char
+                telnet_console_tx_print(recv_buf, recv_len);
                 recv_len = 0;
-                memset(recv_buf, 0, 512);
+                memset(recv_buf, 0, 512); // clear
             }
         }
     }
diff --git a/libxenon/drivers/ppc/c_except.c b/libxenon/drivers/ppc/c_except.c
index fd1cad20..3073ba5b 100644
--- a/libxenon/drivers/ppc/c_except.c
+++ b/libxenon/drivers/ppc/c_except.c
@@ -79,6 +79,7 @@ void crashdump(u32 exception,u64 * context)
 	console_set_colors(0x000080ff, 0xffffffff);
 	console_init();
 	console_clrscr();
+	telnet_console_init();
 
 	if (exception){
 		sprintf(text,"\nException vector! (%p)\n\n",exception);

From 9d9a8b900cac633adcaeb258c91d63bdc73ae216 Mon Sep 17 00:00:00 2001
From: Tay <tay@xenon>
Date: Tue, 14 Oct 2025 23:49:06 +0000
Subject: [PATCH 10/21] Cleaning up compiler warnings.

---
 libxenon/drivers/elf/elf.c               | 1 +
 libxenon/drivers/xenon_nand/xenon_sfcx.c | 1 +
 libxenon/drivers/xenon_soc/xenon_power.h | 3 ++-
 3 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/libxenon/drivers/elf/elf.c b/libxenon/drivers/elf/elf.c
index 1b981fa0..0d801e47 100644
--- a/libxenon/drivers/elf/elf.c
+++ b/libxenon/drivers/elf/elf.c
@@ -18,6 +18,7 @@ see file COPYING or http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt
 #include <time/time.h>
 #include <unistd.h>
 #include <xenon_soc/xenon_power.h>
+#include <console/console.h>
 
 #include "elf.h"
 #include "elf_abi.h"
diff --git a/libxenon/drivers/xenon_nand/xenon_sfcx.c b/libxenon/drivers/xenon_nand/xenon_sfcx.c
index d71bec8d..c847e112 100644
--- a/libxenon/drivers/xenon_nand/xenon_sfcx.c
+++ b/libxenon/drivers/xenon_nand/xenon_sfcx.c
@@ -5,6 +5,7 @@
 #include <fcntl.h>
 #include <time/time.h>
 #include <xb360/xb360.h>
+#include <string.h>
 #include "xenon_sfcx.h"
 
 struct sfc sfc = {0};
diff --git a/libxenon/drivers/xenon_soc/xenon_power.h b/libxenon/drivers/xenon_soc/xenon_power.h
index 685c1eaf..2b9a5f23 100644
--- a/libxenon/drivers/xenon_soc/xenon_power.h
+++ b/libxenon/drivers/xenon_soc/xenon_power.h
@@ -14,10 +14,11 @@ void xenon_thread_startup(void);
 #define XENON_SPEED_FULL 1
 
 void xenon_make_it_faster(int speed);
-int  xenon_run_thread_task(int thread, void *stack, void *task);
+int xenon_run_thread_task(int thread, void *stack, void *task);
 int xenon_is_thread_task_running(int thread);
 void xenon_sleep_thread(int thread);
 void xenon_set_single_thread_mode();
+int xenon_get_speed();
 
 #ifdef __cplusplus
 };

From f4e80dccd3f94b12687fb4869d911d4eb647772d Mon Sep 17 00:00:00 2001
From: Tay <tay@xenon>
Date: Fri, 17 Oct 2025 12:06:34 +0000
Subject: [PATCH 11/21] Finished up telnet debugging. Receive data works as
 does send. Received chars will echo back intrinsicly. Added externs for
 recv_buf and recv_len so that ththey can be used in libxenon programs.

---
 libxenon/drivers/console/telnet_console.c | 16 +++++++++-------
 libxenon/drivers/console/telnet_console.h |  3 +++
 2 files changed, 12 insertions(+), 7 deletions(-)

diff --git a/libxenon/drivers/console/telnet_console.c b/libxenon/drivers/console/telnet_console.c
index f44d5de4..6a3afb38 100644
--- a/libxenon/drivers/console/telnet_console.c
+++ b/libxenon/drivers/console/telnet_console.c
@@ -140,8 +140,8 @@ static void telnet_send(struct tcp_pcb *pcb, TEL_TXST *st) {
 }
 
 //recv buffer ...
-int recv_len;
-unsigned char recv_buf[512];
+extern int recv_len;
+extern unsigned char recv_buf[512];
 
 /*===========================================================================*/
 static err_t telnet_recv(void *arg, struct tcp_pcb *pcb, struct pbuf *p, err_t err) {
@@ -163,13 +163,15 @@ static err_t telnet_recv(void *arg, struct tcp_pcb *pcb, struct pbuf *p, err_t e
 
         if (recv_len > 2) {
             if ((recv_buf[recv_len - 2] == '\r')&(recv_buf[recv_len - 1] == '\n')) {
-                //ParseArgs(recv_buf, recv_len);
-                //DebugBreak();
-                //tel_tx_str(recv_buf, recv_len);
+                // ParseArgs(recv_buf, recv_len);
+                // DebugBreak();
+                // tel_tx_str(recv_buf, recv_len);
+                // efface
+
                 // Echo char
                 telnet_console_tx_print(recv_buf, recv_len);
                 recv_len = 0;
-                memset(recv_buf, 0, 512); // clear
+                memset(recv_buf, 0, 512);
             }
         }
     }
@@ -202,4 +204,4 @@ static err_t telnet_accept(void *arg, struct tcp_pcb *pcb, err_t err) {
 }
 
 /*===========================================================================*/
-/* End of Module */
+/* End of Module */
\ No newline at end of file
diff --git a/libxenon/drivers/console/telnet_console.h b/libxenon/drivers/console/telnet_console.h
index fa7d978c..e9e91565 100644
--- a/libxenon/drivers/console/telnet_console.h
+++ b/libxenon/drivers/console/telnet_console.h
@@ -9,6 +9,9 @@ void telnet_console_init();
 void telnet_console_tx_print(const char *buf, int bc);
 void telnet_console_close();
 
+extern int recv_len;
+extern unsigned char recv_buf[512];
+
 #ifdef __cplusplus
 };
 #endif

From b623a4cce4fa8d52b60b7a095135640e0939425b Mon Sep 17 00:00:00 2001
From: Tay <tay@xenon>
Date: Fri, 17 Oct 2025 16:04:02 +0000
Subject: [PATCH 12/21] Finishing up telnet stuff - everything is working,
 chars in and out.

---
 libxenon/drivers/console/telnet_console.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/libxenon/drivers/console/telnet_console.c b/libxenon/drivers/console/telnet_console.c
index 6a3afb38..ed0e2a1b 100644
--- a/libxenon/drivers/console/telnet_console.c
+++ b/libxenon/drivers/console/telnet_console.c
@@ -140,8 +140,8 @@ static void telnet_send(struct tcp_pcb *pcb, TEL_TXST *st) {
 }
 
 //recv buffer ...
-extern int recv_len;
-extern unsigned char recv_buf[512];
+int recv_len;
+unsigned char recv_buf[512];
 
 /*===========================================================================*/
 static err_t telnet_recv(void *arg, struct tcp_pcb *pcb, struct pbuf *p, err_t err) {

From c397efbb3bedb6f666bbae163480f03ba49bddfd Mon Sep 17 00:00:00 2001
From: Tay <tay@xenon>
Date: Fri, 17 Oct 2025 21:48:36 +0000
Subject: [PATCH 13/21] Further cleanup of telnet after testing. Disabling
 feedback echo since things are verifiably working. Adding comments.

---
 libxenon/drivers/console/telnet_console.c | 29 ++++++++++++-----------
 libxenon/drivers/console/telnet_console.h |  5 ++--
 2 files changed, 18 insertions(+), 16 deletions(-)

diff --git a/libxenon/drivers/console/telnet_console.c b/libxenon/drivers/console/telnet_console.c
index ed0e2a1b..ba2dd99e 100644
--- a/libxenon/drivers/console/telnet_console.c
+++ b/libxenon/drivers/console/telnet_console.c
@@ -140,8 +140,8 @@ static void telnet_send(struct tcp_pcb *pcb, TEL_TXST *st) {
 }
 
 //recv buffer ...
-int recv_len;
-unsigned char recv_buf[512];
+int telnet_recv_len;
+unsigned char telnet_recv_buf[512];
 
 /*===========================================================================*/
 static err_t telnet_recv(void *arg, struct tcp_pcb *pcb, struct pbuf *p, err_t err) {
@@ -153,25 +153,26 @@ static err_t telnet_recv(void *arg, struct tcp_pcb *pcb, struct pbuf *p, err_t e
 
         //caractere par caractere
         if (p->tot_len == 1) {
-            recv_buf[recv_len] = payload[0];
-            recv_len++;
+            telnet_recv_buf[telnet_recv_len] = payload[0];
+            telnet_recv_len++;
         }//par block
         else {
-            memcpy(recv_buf + recv_len, payload, p->tot_len);
-            recv_len += p->tot_len;
+            memcpy(telnet_recv_buf + telnet_recv_len, payload, p->tot_len);
+            telnet_recv_len += p->tot_len;
         }
 
-        if (recv_len > 2) {
-            if ((recv_buf[recv_len - 2] == '\r')&(recv_buf[recv_len - 1] == '\n')) {
-                // ParseArgs(recv_buf, recv_len);
+        if (telnet_recv_len > 2) {
+            if ((telnet_recv_buf[telnet_recv_len - 2] == '\r')&(telnet_recv_buf[telnet_recv_len - 1] == '\n')) {
+                // ParseArgs(telnet_recv_buf, telnet_recv_len);
                 // DebugBreak();
-                // tel_tx_str(recv_buf, recv_len);
+                // tel_tx_str(telnet_recv_buf, telnet_recv_len);
                 // efface
 
-                // Echo char
-                telnet_console_tx_print(recv_buf, recv_len);
-                recv_len = 0;
-                memset(recv_buf, 0, 512);
+                // Echo char - optional feedback for the user. All receive buffers will be echoed on a new line.
+                // telnet_console_tx_print(telnet_recv_buf, telnet_recv_len);
+                
+                telnet_recv_len = 0;
+                memset(telnet_recv_buf, 0, 512);
             }
         }
     }
diff --git a/libxenon/drivers/console/telnet_console.h b/libxenon/drivers/console/telnet_console.h
index e9e91565..42b814e5 100644
--- a/libxenon/drivers/console/telnet_console.h
+++ b/libxenon/drivers/console/telnet_console.h
@@ -9,8 +9,9 @@ void telnet_console_init();
 void telnet_console_tx_print(const char *buf, int bc);
 void telnet_console_close();
 
-extern int recv_len;
-extern unsigned char recv_buf[512];
+// Use these in LibXenon programs to get chars or strings from the telnet buffer.
+extern int telnet_recv_len;
+extern unsigned char telnet_recv_buf[512];
 
 #ifdef __cplusplus
 };

From 038d0b0d13a2b6af12595505ea886b8e438b56d5 Mon Sep 17 00:00:00 2001
From: Tay <tay@xenon>
Date: Sat, 18 Oct 2025 01:07:08 +0000
Subject: [PATCH 14/21] Re-adding telnet after testing locally. A stack dump
 can now be obtained via telnet and the console rebooted that way as well with
 controller and uart.

---
 libxenon/drivers/ppc/c_except.c | 34 ++++++++++++++++++++++++++++-----
 1 file changed, 29 insertions(+), 5 deletions(-)

diff --git a/libxenon/drivers/ppc/c_except.c b/libxenon/drivers/ppc/c_except.c
index 3073ba5b..a1720d5d 100644
--- a/libxenon/drivers/ppc/c_except.c
+++ b/libxenon/drivers/ppc/c_except.c
@@ -79,6 +79,8 @@ void crashdump(u32 exception,u64 * context)
 	console_set_colors(0x000080ff, 0xffffffff);
 	console_init();
 	console_clrscr();
+	network_init();
+	network_print_config();
 	telnet_console_init();
 
 	if (exception){
@@ -103,8 +105,7 @@ void crashdump(u32 exception,u64 * context)
 	
 	_cpu_print_stack((void*)(u32)context[36],(void*)(u32)context[32],(void*)(u32)context[1]);
 	
-	strcat(text,"\n\nOn uart or telnet: 'x'=Xell, 'h'=Halt, 'r'=Reboot\n");
-	strcat(text,"On controller: 'x'=Xell, 'y'=Halt, 'b'=Reboot\n");
+	strcat(text,"\n\nOn controller, UART or telnet: 'x'=Xell, 'y'=Halt, 'b'=Reboot\n");
 
 	flush_console();
 
@@ -112,6 +113,9 @@ void crashdump(u32 exception,u64 * context)
 	struct controller_data_s ctrl;
 	struct controller_data_s old_ctrl;
 	
+	// For telnet handling.
+	unsigned char latest_telnet_char;
+
 	for(;;){
 		// Handle controller
 		if (get_controller_data(&ctrl, 0)) {
@@ -131,8 +135,13 @@ void crashdump(u32 exception,u64 * context)
 			old_ctrl=ctrl;
 		}
 
+		// Controller update
 		usb_do_poll();
 
+		// Telnet update
+		network_poll();
+		latest_telnet_char = telnet_recv_buf[0];
+
 		// Handle UART
 		if(kbhit()){
 			switch(getch()){
@@ -141,15 +150,30 @@ void crashdump(u32 exception,u64 * context)
 					// Platform specific functioanlity defined in libxenon/drivers/newlib/xenon_syscalls.c
 					exit(0);
 					break;
-				case 'h':
+				case 'y':
 					xenon_smc_power_shutdown();
 					for(;;);
 					break;
-				case 'r':
+				case 'b':
 					xenon_smc_power_reboot();
 					for(;;);
 					break;
 			}
-	}
+		}
+
+		// Handle telnet
+		if(latest_telnet_char == 'x'){
+			exit(0);
+			for(;;);
+			break;
+		} else if(latest_telnet_char == 'y'){
+			xenon_smc_power_shutdown();
+			for(;;);
+			break;
+		} else if(latest_telnet_char == 'b'){
+			xenon_smc_power_reboot();
+			for(;;);
+			break;
+		} 
 	}
 }

From dbc341837c41e5f4d6da0601503dd8abdf009ff7 Mon Sep 17 00:00:00 2001
From: Tay <tay@xenon>
Date: Sat, 18 Oct 2025 15:40:19 +0000
Subject: [PATCH 15/21] Final push to this making sure everything works

---
 libxenon/drivers/ppc/c_except.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/libxenon/drivers/ppc/c_except.c b/libxenon/drivers/ppc/c_except.c
index a1720d5d..c8613760 100644
--- a/libxenon/drivers/ppc/c_except.c
+++ b/libxenon/drivers/ppc/c_except.c
@@ -12,6 +12,7 @@
 #include <xenos/xenos.h>
 #include <xetypes.h>
 #include <usb/usbmain.h>
+#include <network/network.h>
 
 #define CPU_STACK_TRACE_DEPTH		10
 
@@ -79,7 +80,9 @@ void crashdump(u32 exception,u64 * context)
 	console_set_colors(0x000080ff, 0xffffffff);
 	console_init();
 	console_clrscr();
+	printf("Program crashed - reinitializing hardware in this context...\n");
 	network_init();
+	usb_init();
 	network_print_config();
 	telnet_console_init();
 
@@ -104,7 +107,7 @@ void crashdump(u32 exception,u64 * context)
 	flush_console();
 	
 	_cpu_print_stack((void*)(u32)context[36],(void*)(u32)context[32],(void*)(u32)context[1]);
-	
+
 	strcat(text,"\n\nOn controller, UART or telnet: 'x'=Xell, 'y'=Halt, 'b'=Reboot\n");
 
 	flush_console();
@@ -131,7 +134,7 @@ void crashdump(u32 exception,u64 * context)
 				xenon_smc_power_reboot();
 				for(;;);
 				break;
-			}
+			} 
 			old_ctrl=ctrl;
 		}
 

From 8f003eeeb714a6af2f40d847523e28ef40228d61 Mon Sep 17 00:00:00 2001
From: Tay <tay@xenon>
Date: Sun, 19 Oct 2025 21:23:04 +0000
Subject: [PATCH 16/21] Add delay to catch the trace

---
 libxenon/drivers/ppc/c_except.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/libxenon/drivers/ppc/c_except.c b/libxenon/drivers/ppc/c_except.c
index c8613760..8d34ca64 100644
--- a/libxenon/drivers/ppc/c_except.c
+++ b/libxenon/drivers/ppc/c_except.c
@@ -86,12 +86,15 @@ void crashdump(u32 exception,u64 * context)
 	network_print_config();
 	telnet_console_init();
 
+	// Give some extra time to catch the trace
+	mdelay(3000);
+
 	if (exception){
 		sprintf(text,"\nException vector! (%p)\n\n",exception);
 	}else{
 		strcpy(text,"\nSegmentation fault!\n\n");
 	}
-		
+
 	flush_console();
 	
 	sprintf(text,"%spir=%016llx dar=%016llx\nsr0=%016llx sr1=%016llx lr=%016llx\n\n",

From ec91b9e5f49540ed21aa17542685c9cb244ff239 Mon Sep 17 00:00:00 2001
From: Tay <tay@xenon>
Date: Sun, 19 Oct 2025 21:50:29 +0000
Subject: [PATCH 17/21] Adding bc for kernel compilation

---
 libxenon.dockerfile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libxenon.dockerfile b/libxenon.dockerfile
index 49a6f3b2..91dca8fe 100644
--- a/libxenon.dockerfile
+++ b/libxenon.dockerfile
@@ -1,6 +1,6 @@
 FROM free60/toolchain:latest
 
-RUN apt update && apt install nano && \
+RUN apt update && apt install nano bc && \
   apt -y clean autoclean autoremove && \
   rm -rf /var/lib/{apt,dpkg,cache,log}/
 

From d0813029124422415ece54c3a69972798c8f762e Mon Sep 17 00:00:00 2001
From: Tay <tay@xenon>
Date: Sun, 19 Oct 2025 22:29:37 +0000
Subject: [PATCH 18/21] Clean up more compiler warnings

---
 libxenon/drivers/console/telnet_console.c | 4 ++--
 libxenon/drivers/console/telnet_console.h | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/libxenon/drivers/console/telnet_console.c b/libxenon/drivers/console/telnet_console.c
index ba2dd99e..e07bd71d 100644
--- a/libxenon/drivers/console/telnet_console.c
+++ b/libxenon/drivers/console/telnet_console.c
@@ -39,7 +39,7 @@ static int session_states = TELNET_DISCONNECTED;
 
 static struct tcp_pcb *tel_pcb;
 
-extern void (*stdout_hook)(const char *buf, int len);
+extern void (*stdout_hook)(char *buf, int len);
 
 /**==========================================================================*/
 /* Forward Declarations                                                      */
@@ -82,7 +82,7 @@ void telnet_console_close(void) {
 }
 
 /*===========================================================================*/
-void telnet_console_tx_print(const char *buf, int bc) {
+void telnet_console_tx_print(char *buf, int bc) {
     TEL_TXST *st;
 
     if (session_states != TELNET_CONNECTED) {
diff --git a/libxenon/drivers/console/telnet_console.h b/libxenon/drivers/console/telnet_console.h
index 42b814e5..07e8f982 100644
--- a/libxenon/drivers/console/telnet_console.h
+++ b/libxenon/drivers/console/telnet_console.h
@@ -6,7 +6,7 @@ extern "C" {
 #endif
 
 void telnet_console_init();
-void telnet_console_tx_print(const char *buf, int bc);
+void telnet_console_tx_print(char *buf, int bc);
 void telnet_console_close();
 
 // Use these in LibXenon programs to get chars or strings from the telnet buffer.

From 123edd6322ff7ae354d44e10b109bb00a5742636 Mon Sep 17 00:00:00 2001
From: Tay <tay@xenon>
Date: Sun, 19 Oct 2025 22:40:17 +0000
Subject: [PATCH 19/21] Give every input method a way to reprint the stack
 trace.

---
 libxenon/drivers/ppc/c_except.c | 22 +++++++++++++++++-----
 1 file changed, 17 insertions(+), 5 deletions(-)

diff --git a/libxenon/drivers/ppc/c_except.c b/libxenon/drivers/ppc/c_except.c
index 8d34ca64..e143f98d 100644
--- a/libxenon/drivers/ppc/c_except.c
+++ b/libxenon/drivers/ppc/c_except.c
@@ -89,30 +89,36 @@ void crashdump(u32 exception,u64 * context)
 	// Give some extra time to catch the trace
 	mdelay(3000);
 
+	// In case the trace is missed, print it again exactly as it was.
+	reprint:
+
 	if (exception){
 		sprintf(text,"\nException vector! (%p)\n\n",exception);
 	}else{
 		strcpy(text,"\nSegmentation fault!\n\n");
 	}
 
+	printf(text);
 	flush_console();
 	
 	sprintf(text,"%spir=%016llx dar=%016llx\nsr0=%016llx sr1=%016llx lr=%016llx\n\n",
 			text,context[39],context[38],context[36],context[37],context[32]);
 	
+	printf(text);
 	flush_console();
-	
+
 	int i;
 	for(i=0;i<8;++i)
 		sprintf(text,"%s%02d=%016llx %02d=%016llx %02d=%016llx %02d=%016llx\n",
 				text,i,context[i],i+8,context[i+8],i+16,context[i+16],i+24,context[i+24]);
 	
+	printf(text);
 	flush_console();
 	
 	_cpu_print_stack((void*)(u32)context[36],(void*)(u32)context[32],(void*)(u32)context[1]);
 
-	strcat(text,"\n\nOn controller, UART or telnet: 'x'=Xell, 'y'=Halt, 'b'=Reboot\n");
-
+	strcat(text,"\n\nOn controller, UART or telnet: 'x'=Xell, 'y'=Halt, 'b'=Reboot, 'a'=Reprint stack trace.\n");
+	printf(text);
 	flush_console();
 
 	// Initialize 360 controller - taken from XeLL kbootconf.c
@@ -137,7 +143,9 @@ void crashdump(u32 exception,u64 * context)
 				xenon_smc_power_reboot();
 				for(;;);
 				break;
-			} 
+			} if (ctrl.a){
+				goto reprint;
+			}
 			old_ctrl=ctrl;
 		}
 
@@ -164,6 +172,8 @@ void crashdump(u32 exception,u64 * context)
 					xenon_smc_power_reboot();
 					for(;;);
 					break;
+				case 'a':
+					goto reprint;
 			}
 		}
 
@@ -180,6 +190,8 @@ void crashdump(u32 exception,u64 * context)
 			xenon_smc_power_reboot();
 			for(;;);
 			break;
-		} 
+		} else if(latest_telnet_char == 'a'){
+			goto reprint;
+		}
 	}
 }

From e22409ed78c25d57ddbc858373adeedd555de499 Mon Sep 17 00:00:00 2001
From: Tay <tay@xenon>
Date: Mon, 20 Oct 2025 12:34:10 +0000
Subject: [PATCH 20/21] Make UART and Telnet use the original control scheme +p
 for reprinting stack trace for compat per Swizzy

---
 libxenon/drivers/ppc/c_except.c | 17 ++++++++++-------
 1 file changed, 10 insertions(+), 7 deletions(-)

diff --git a/libxenon/drivers/ppc/c_except.c b/libxenon/drivers/ppc/c_except.c
index e143f98d..90cd113c 100644
--- a/libxenon/drivers/ppc/c_except.c
+++ b/libxenon/drivers/ppc/c_except.c
@@ -117,7 +117,10 @@ void crashdump(u32 exception,u64 * context)
 	
 	_cpu_print_stack((void*)(u32)context[36],(void*)(u32)context[32],(void*)(u32)context[1]);
 
-	strcat(text,"\n\nOn controller, UART or telnet: 'x'=Xell, 'y'=Halt, 'b'=Reboot, 'a'=Reprint stack trace.\n");
+	// This will print to screen for a user.
+	strcat(text,"\n\nOn controller: 'x'=Xell, 'y'=Halt, 'b'=Reboot, 'a'=Reprint stack trace.\n");
+	strcat(text,"\n\nOn UART or Telnet: 'x'=Xell, 'h'=Halt, 'r'=Reboot, 'p'=Reprint stack trace.\n");
+
 	printf(text);
 	flush_console();
 
@@ -164,15 +167,15 @@ void crashdump(u32 exception,u64 * context)
 					// Platform specific functioanlity defined in libxenon/drivers/newlib/xenon_syscalls.c
 					exit(0);
 					break;
-				case 'y':
+				case 'h':
 					xenon_smc_power_shutdown();
 					for(;;);
 					break;
-				case 'b':
+				case 'r':
 					xenon_smc_power_reboot();
 					for(;;);
 					break;
-				case 'a':
+				case 'p':
 					goto reprint;
 			}
 		}
@@ -182,15 +185,15 @@ void crashdump(u32 exception,u64 * context)
 			exit(0);
 			for(;;);
 			break;
-		} else if(latest_telnet_char == 'y'){
+		} else if(latest_telnet_char == 'h'){
 			xenon_smc_power_shutdown();
 			for(;;);
 			break;
-		} else if(latest_telnet_char == 'b'){
+		} else if(latest_telnet_char == 'r'){
 			xenon_smc_power_reboot();
 			for(;;);
 			break;
-		} else if(latest_telnet_char == 'a'){
+		} else if(latest_telnet_char == 'p'){
 			goto reprint;
 		}
 	}

From 02127d5ea92bc75cdf8fb55a400204a2a4a07f07 Mon Sep 17 00:00:00 2001
From: Tay <tay@xenon>
Date: Mon, 20 Oct 2025 12:36:17 +0000
Subject: [PATCH 21/21] Change formatting so it displays better on the screen.

---
 libxenon/drivers/ppc/c_except.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libxenon/drivers/ppc/c_except.c b/libxenon/drivers/ppc/c_except.c
index 90cd113c..0d850290 100644
--- a/libxenon/drivers/ppc/c_except.c
+++ b/libxenon/drivers/ppc/c_except.c
@@ -119,7 +119,7 @@ void crashdump(u32 exception,u64 * context)
 
 	// This will print to screen for a user.
 	strcat(text,"\n\nOn controller: 'x'=Xell, 'y'=Halt, 'b'=Reboot, 'a'=Reprint stack trace.\n");
-	strcat(text,"\n\nOn UART or Telnet: 'x'=Xell, 'h'=Halt, 'r'=Reboot, 'p'=Reprint stack trace.\n");
+	strcat(text,"On UART or Telnet: 'x'=Xell, 'h'=Halt, 'r'=Reboot, 'p'=Reprint stack trace.\n");
 
 	printf(text);
 	flush_console();