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author | Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp> |
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date | Sun, 22 Oct 2017 18:25:39 +0900 |
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//PAGEBREAK: 36 // Layout of the trap frame built on the stack by the // hardware and by trapasm.S, and passed to trap(). struct trapframe { uint trapno; uint spsr; // saved cpsr from the trapped/interrupted mode uint ifar; // Instruction Fault Address Register (IFAR) uint cpsr; uint sp; // user mode sp uint lr; // return address of the interrupted code uint r12; uint r11; uint r10; uint r9; uint r8; uint r7; uint r6; uint r5; uint r4; uint r3; uint r2; uint r1; uint r0; };