Merge branch 'kernel_crashing' into 'master'

Kernel crashing

Closes #6

See merge request bslathi19/super6502!20

hw/efinix_fpga/debug_profile.wizard.json

@@ -3,7 +3,7 @@
         {
             "name": "la0",
             "type": "la",
-            "uuid": "51d5f9c5395344da8c48559f580e066a",
+            "uuid": "d9fdd9521e234ab2a085f0e0ef437289",
             "trigin_en": false,
             "trigout_en": false,
             "auto_inserted": true,

hw/efinix_fpga/super6502.xml

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<efx:project name="super6502" description="" last_change_date="Sat August 26 2023 13:39:16" location="/home/byron/Projects/super6502/hw/efinix_fpga" sw_version="2023.1.150" last_run_state="pass" last_run_tool="efx_pgm" last_run_flow="bitstream" config_result_in_sync="true" design_ood="sync" place_ood="sync" route_ood="sync" xmlns:efx="http://www.efinixinc.com/enf_proj" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.efinixinc.com/enf_proj enf_proj.xsd">
+<efx:project name="super6502" description="" last_change_date="Sat August 26 2023 16:07:19" location="/home/byron/Projects/super6502/hw/efinix_fpga" sw_version="2023.1.150" last_run_state="pass" last_run_tool="efx_pgm" last_run_flow="bitstream" config_result_in_sync="true" design_ood="sync" place_ood="sync" route_ood="sync" xmlns:efx="http://www.efinixinc.com/enf_proj" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.efinixinc.com/enf_proj enf_proj.xsd">
     <efx:device_info>
         <efx:family name="Trion"/>
         <efx:device name="T20F256"/>

sw/kernel/kernel.c

@@ -1,7 +1,22 @@
 #include <conio.h>
 
+char* longstring = \
+"This is a very long string that is meant to test the loader.\
+ We can only load one cluster so far, which means 8 sectors of\
+ 512bytes, or a total of 4k. If there was any more data than this,\
+ then we would have to traverse the fat to find the next cluster number.\
+ This may not be that difficult, but the file will need to be large\
+ enough to actually stretch that far. The kernel will probably be\
+ that big in the future, but for now when it doesnt really do anything\
+ then it can't really be tested.";
+
+
 int main() {
-    cprintf("Hello, world!\r\n");
+    char* string = "this is a shorter string";
+
+    cprintf("%s", string);
+
+    cprintf("Here is a long string: %s\r\n", longstring);
 
     while(1);
 

sw/kernel/link.ld

@@ -42,7 +42,7 @@ FEATURES {
 }
 
 SYMBOLS {
-    __STACKSIZE__:  value = $0E00, type = weak;
+    __STACKSIZE__:  value = $0200, type = weak;
     __STACKSTART__: type = weak, value = $0800;
 }