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kernel/fxf/launch: Don't always show error message (oops)

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Ry 2023-03-23 00:16:53 -07:00
parent 7d877618a1
commit a484da1526
1 changed files with 20 additions and 7 deletions
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27
kernel/fxf/launch.asm
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@ -10,7 +10,7 @@
; r5: argument 3
; r6: argument 4
; outputs:
; none
; r0: task ID of the new task
launch_fxf_from_disk:
push r0
push r1
@ -30,14 +30,14 @@ launch_fxf_from_disk:
mov r2, launch_fxf_struct
call open
cmp r0, 0
ifz jmp allocate_error
ifz jmp launch_fxf_from_disk_file_error
; allocate memory for the binary
mov r0, launch_fxf_struct
call ryfs_get_size
call allocate_memory
cmp r0, 0
ifz jmp allocate_error
ifz jmp launch_fxf_from_disk_allocate_error
mov [launch_fxf_binary_ptr], r0
; read the file into memory
@ -49,7 +49,7 @@ launch_fxf_from_disk:
mov r0, 65536
call allocate_memory
cmp r0, 0
ifz jmp allocate_error
ifz jmp launch_fxf_from_disk_allocate_error
mov [launch_fxf_stack_ptr], r0
; push the arguments to the task's stack
@ -77,12 +77,14 @@ launch_fxf_from_disk:
; create a new task
mov r1, r0
call get_unused_task_id
mov.8 [launch_fxf_task_id], r0
mov r2, [launch_fxf_stack_ptr]
add r2, 65516 ; point to the end of the stack (stack grows down!!)
mov r3, [launch_fxf_binary_ptr]
mov r4, [launch_fxf_stack_ptr]
call new_task
allocate_error:
jmp launch_fxf_from_disk_end
launch_fxf_from_disk_allocate_error:
mov r0, launch_fxf_allocate_error_string1
mov r1, launch_fxf_allocate_error_string2
mov r2, launch_fxf_allocate_error_string3
@ -90,19 +92,30 @@ allocate_error:
mov r4, 64
mov r5, 336
call new_messagebox
jmp launch_fxf_from_disk_end
launch_fxf_from_disk_file_error:
mov r0, 0
mov r1, launch_fxf_file_error_string
mov r2, 0
mov r3, 64
mov r4, 64
mov r5, 280
call new_messagebox
launch_fxf_from_disk_end:
pop r6
pop r5
pop r4
pop r3
pop r2
pop r1
pop r0
movz.8 r0, [launch_fxf_task_id]
ret
launch_fxf_struct: data.fill 0, 8
launch_fxf_task_id: data.8 0
launch_fxf_binary_ptr: data.32 0
launch_fxf_stack_ptr: data.32 0
launch_fxf_allocate_error_string1: data.strz "Failed to allocate memory for a new task"
launch_fxf_allocate_error_string2: data.strz "The memory allocator seems to be in an"
launch_fxf_allocate_error_string3: data.strz "invalid state, a reboot is recommended"
launch_fxf_file_error_string: data.strz "Failed to open file for a new task"