Date: Thu, 8 Oct 2020 11:04:32 +0000 (UTC) From: Edward Tomasz Napierala <trasz@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r366534 - head/sys/riscv/riscv Message-ID: <202010081104.098B4WkE094307@repo.freebsd.org>
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Author: trasz Date: Thu Oct 8 11:04:32 2020 New Revision: 366534 URL: https://svnweb.freebsd.org/changeset/base/366534 Log: Remove yet another useless assignment, adding a KASSERT just in case. Reviewed by: kp Sponsored by: DARPA Differential Revision: https://reviews.freebsd.org/D26698 Modified: head/sys/riscv/riscv/trap.c Modified: head/sys/riscv/riscv/trap.c ============================================================================== --- head/sys/riscv/riscv/trap.c Thu Oct 8 10:59:49 2020 (r366533) +++ head/sys/riscv/riscv/trap.c Thu Oct 8 11:04:32 2020 (r366534) @@ -158,15 +158,12 @@ dump_regs(struct trapframe *frame) } static void -ecall_handler(struct trapframe *frame) +ecall_handler(void) { struct thread *td; td = curthread; - KASSERT(td->td_frame == frame, - ("%s: td_frame %p != frame %p", __func__, td->td_frame, frame)); - syscallenter(td); syscallret(td); } @@ -324,9 +321,11 @@ do_trap_user(struct trapframe *frame) struct pcb *pcb; td = curthread; - td->td_frame = frame; pcb = td->td_pcb; + KASSERT(td->td_frame == frame, + ("%s: td_frame %p != frame %p", __func__, td->td_frame, frame)); + /* Ensure we came from usermode, interrupts disabled */ KASSERT((csr_read(sstatus) & (SSTATUS_SPP | SSTATUS_SIE)) == 0, ("Came from U mode with interrupts enabled")); @@ -357,7 +356,7 @@ do_trap_user(struct trapframe *frame) break; case EXCP_USER_ECALL: frame->tf_sepc += 4; /* Next instruction */ - ecall_handler(frame); + ecall_handler(); break; case EXCP_ILLEGAL_INSTRUCTION: #ifdef FPE
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