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Remove yet another useless assignment, adding a KASSERT just in case.
Reviewed by: kp Sponsored by: DARPA Differential Revision: https://reviews.freebsd.org/D26698
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parent
d6dbbdea20
commit
5319fa1b3e
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=366534
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@ -158,15 +158,12 @@ dump_regs(struct trapframe *frame)
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}
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static void
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ecall_handler(struct trapframe *frame)
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ecall_handler(void)
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{
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struct thread *td;
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td = curthread;
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KASSERT(td->td_frame == frame,
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("%s: td_frame %p != frame %p", __func__, td->td_frame, frame));
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syscallenter(td);
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syscallret(td);
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}
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@ -324,9 +321,11 @@ do_trap_user(struct trapframe *frame)
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struct pcb *pcb;
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td = curthread;
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td->td_frame = frame;
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pcb = td->td_pcb;
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KASSERT(td->td_frame == frame,
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("%s: td_frame %p != frame %p", __func__, td->td_frame, frame));
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/* Ensure we came from usermode, interrupts disabled */
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KASSERT((csr_read(sstatus) & (SSTATUS_SPP | SSTATUS_SIE)) == 0,
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("Came from U mode with interrupts enabled"));
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@ -357,7 +356,7 @@ do_trap_user(struct trapframe *frame)
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break;
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case EXCP_USER_ECALL:
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frame->tf_sepc += 4; /* Next instruction */
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ecall_handler(frame);
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ecall_handler();
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break;
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case EXCP_ILLEGAL_INSTRUCTION:
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#ifdef FPE
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