Date: Fri, 22 Apr 2016 15:04:47 +0000 (UTC) From: Ruslan Bukin <br@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r298474 - head/sys/riscv/riscv Message-ID: <201604221504.u3MF4lAX066960@repo.freebsd.org>
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Author: br Date: Fri Apr 22 15:04:46 2016 New Revision: 298474 URL: https://svnweb.freebsd.org/changeset/base/298474 Log: Correct the event queue initialization. This fixes operation on Rocket Core. Sponsored by: DARPA, AFRL Sponsored by: HEIF5 Modified: head/sys/riscv/riscv/locore.S Modified: head/sys/riscv/riscv/locore.S ============================================================================== --- head/sys/riscv/riscv/locore.S Fri Apr 22 13:44:12 2016 (r298473) +++ head/sys/riscv/riscv/locore.S Fri Apr 22 15:04:46 2016 (r298474) @@ -73,18 +73,19 @@ sd t1, 8(t0) /* zero used */ mv t2, t0 mv t3, t0 - li t5, (HTIF_RING_SIZE - HTIF_RING_ENTRY_SZ) + li t5, (HTIF_RING_SIZE) li t6, 0 add t4, t0, t5 1: - addi t3, t3, 24 /* pointer to next */ - beq t3, t4, 2f /* finish */ - sd t3, 16(t2) /* store pointer */ - addi t2, t2, 24 /* next entry */ - addi t6, t6, 1 /* counter */ + addi t3, t3, HTIF_RING_ENTRY_SZ /* pointer to next */ + beq t3, t4, 2f /* finish */ + sd t3, 16(t2) /* store pointer */ + addi t2, t2, HTIF_RING_ENTRY_SZ /* next entry */ + addi t6, t6, 1 /* counter */ j 1b 2: - sd t0, 16(t3) /* last -> first */ + addi t3, t3, -HTIF_RING_ENTRY_SZ + sd t0, 16(t3) /* last -> first */ li t2, (HTIF_RING_SIZE) add s0, t0, t2
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