![[PukiWiki]](image/pukiwiki.png "[PukiWiki]")
@ @ common_invalid - generic code for failed exception (re-entrant version of handlers) @ common_invalid: zero_fp
ldmia r0, {r4 - r6}
add r0, sp, #S_PC @ here for interlock avoidance
mov r7, #-1 @ "" "" "" ""
str r4, [sp] @ save preserved r0
stmia r0, {r5 - r7} @ lr_<exception>,
@ cpsr_<exception>, "old_r0"
mov r0, sp
b bad_mode
ENDPROC(__und_invalid)
