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Hector Martin
2016-11-23 14:35:12 +09:00
commit 5b1c4f85b6
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wiipax/stub/exception_asm.s Normal file
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.globl exception_asm_start, exception_asm_end
exception_asm_start:
# store all interesting regs
mfcr 0 ; stw 0,0x3580(0)
mfxer 0 ; stw 0,0x3584(0)
mflr 0 ; stw 0,0x3588(0)
mfctr 0 ; stw 0,0x358c(0)
mfsrr0 0 ; stw 0,0x3590(0)
mfsrr1 0 ; stw 0,0x3594(0)
mfdar 0 ; stw 0,0x3598(0)
mfdsisr 0 ; stw 0,0x359c(0)
# switch on FP, DR, IR
mfmsr 0 ; ori 0,0,0x2030 ; mtsrr1 0
# go to C handler
lis 0,exception_handler@h ; ori 0,0,exception_handler@l ; mtsrr0 0
rfi
exception_asm_end: