Date: Mon, 16 Apr 2018 17:43:26 +0000 (UTC) From: Brooks Davis <brooks@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r332629 - head/sys/mips/mips Message-ID: <201804161743.w3GHhQhU043009@repo.freebsd.org>
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Author: brooks Date: Mon Apr 16 17:43:26 2018 New Revision: 332629 URL: https://svnweb.freebsd.org/changeset/base/332629 Log: Remove unused badaddr() function. Reviewed by: jmallett Sponsored by: DARPA, AFRL Differential Revision: https://reviews.freebsd.org/D15078 Modified: head/sys/mips/mips/support.S Modified: head/sys/mips/mips/support.S ============================================================================== --- head/sys/mips/mips/support.S Mon Apr 16 17:30:33 2018 (r332628) +++ head/sys/mips/mips/support.S Mon Apr 16 17:43:26 2018 (r332629) @@ -105,38 +105,6 @@ .text /* - * See if access to addr with a len type instruction causes a machine check. - * len is length of access (1=byte, 2=short, 4=int) - * - * badaddr(addr, len) - * char *addr; - * int len; - */ -LEAF(badaddr) - PTR_LA v0, baderr - GET_CPU_PCPU(v1) - PTR_L v1, PC_CURPCB(v1) - bne a1, 1, 2f - PTR_S v0, U_PCB_ONFAULT(v1) - b 5f - lbu v0, (a0) -2: - bne a1, 2, 4f - nop - b 5f - lhu v0, (a0) -4: - lw v0, (a0) -5: - PTR_S zero, U_PCB_ONFAULT(v1) - j ra - move v0, zero # made it w/o errors -baderr: - j ra - li v0, 1 # trap sends us here -END(badaddr) - -/* * int copystr(void *kfaddr, void *kdaddr, size_t maxlen, size_t *lencopied) * Copy a NIL-terminated string, at most maxlen characters long. Return the * number of characters copied (including the NIL) in *lencopied. If the
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