Panic if launchProgram("/bin/init") fails at boot

Author: Noam Preil

include/defines.inc

@@ -38,6 +38,7 @@ panic_init_not_found    .equ 0
 panic_no_threads        .equ 1
 panic_no_active_threads .equ 2
 panic_library_not_found .equ 3
+panic_failed_init       .equ 4
 
 ; KEXC headers
 ; 0x00-0x7F reserved for kernel use

src/00/boot.asm

@@ -120,9 +120,14 @@ reboot:
     ld a, panic_init_not_found
     jp nz, panic
     call launchProgram
+    jr nz, init_failed
     ld h, 0
     call setInitialA
     jp contextSwitch_manual
 
+init_failed:
+    ld a, panic_failed_init
+    jp panic
+
 init:
     .db "/bin/init", 0

src/00/panic.asm

@@ -123,6 +123,7 @@ errorTable:
     .dw no_threads_text
     .dw no_active_threads_text
     .dw library_not_found_text
+    .dw init_failed_text
 
 init_not_found_text:
     .db "/bin/init not found", 0
@@ -132,6 +133,8 @@ no_active_threads_text:
     .db "No active threads", 0
 library_not_found_text:
     .db "Library not loaded", 0
+init_failed_text:
+    .db "Error launching /bin/init", 0
 
 sad_calc:
     .db 0x7f,0xc0