move k0, zero
j 0xbfc00400
nop
Is the move implemented as addiu or as daddiu? The latter would RI.
Oh! It was daddu (gcc -mips3) opcode.
Another issue:
mtc0 zero, C0_CAUSE
===============
IN:
0xbfc00424: mtc0 zero,$13
OP:
0x0000: save_pc 0xbfc00424
0x0001: raise_exception 0x11
0x0002: reset_T0
0x0003: exit_tb
0x0004: end
---------------- 3 00000000
OUT: [size=24]
0x08a96a90: movl $0xbfc00424,0x80(%ebp)
0x08a96a9a: push $0x11
0x08a96a9f: call 0x8080fe8
0x08a96aa4: pop %eax
0x08a96aa5: xor %ebx,%ebx
0x08a96aa7: ret
do_raise_exception_err: 17 0
do_interrupt enter: PC bfc00424 EPC 00000000 cause -1 excp 17
do_interrupt: PC bfc00380 EPC bfc00424 cause 11 excp 17
S 00400000 C 0000042c A 00000000 D 00000000
------------------------------------------------
pc=0xbfc00380 HI=0x00000000 LO=0x00000000 ds 0004 00000000 0
GPR00: r0 00000000 at 00400000 v0 00400000 v1 00000000
GPR04: a0 00000000 a1 00000000 a2 00000000 a3 00000000
GPR08: t0 00018000 t1 00000000 t2 00000000 t3 00000000
GPR12: t4 00000000 t5 00000000 t6 00000000 t7 00000000
GPR16: s0 00000000 s1 00000000 s2 00000000 s3 00000000
GPR20: s4 00000000 s5 00000000 s6 00000000 s7 00000000
GPR24: t8 00000000 t9 00000000 k0 00000000 k1 00000000
GPR28: gp 00000000 sp 00000000 s8 00000000 ra 00000000
CP0 Status 0x00400002 Cause 0x0000042c EPC 0xbfc00424
Config0 0x80008090 Config1 0x1e190c8a LLAddr 0x00000000
IN:
0xbfc00380: j 0xbfc019c0
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