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455564ab5c
- Add code allowing a network device to only be open and closed once by keeping it opened after the first open and closing it via the cleanup handler when NETIF_OPEN_CLOSE_ONCE is defined in order to avoid the open-close-dance on every file access which with firmware that for example performs an auto-negotiation on every open causes netbooting to take horribly long. Basically the behavior with this knob enabled resembles the one employed between r60506 and r177108 (and for sparc64 also again since r182919) with the addition that the network device now is closed eventually before entering the kernel and before rebooting. Actually I think this should be the desired MI behavior, however the U-Boot loader actually requires net_close() to be called after every transaction in order for some local shutdown operations to be performed (and which I think thus will break on concurrent opens, i.e. when netdev_opens is > 1, like the loader does at least for disks when LOADER_GZIP_SUPPORT is enabled). - Use NETIF_OPEN_CLOSE_ONCE to replace the hack, which artificially increased netdev_opens for sparc64 in order to keep the network device opened forever, as at least some firmware versions require the network device to be closed eventually before entering the kernel or otherwise will DMA received packets to stale memory. The powerpc OFW loader probably wants NETIF_OPEN_CLOSE_ONCE to be set as well for the same reasons.
93 lines
2.3 KiB
Makefile
93 lines
2.3 KiB
Makefile
# $FreeBSD$
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.include <bsd.own.mk>
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MK_SSP= no
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PROG= loader
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NEWVERSWHAT= "bootstrap loader" sparc64
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INSTALLFLAGS= -b
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# Architecture-specific loader code
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SRCS= locore.S main.c metadata.c vers.c
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LOADER_DISK_SUPPORT?= yes
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LOADER_UFS_SUPPORT?= yes
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LOADER_CD9660_SUPPORT?= yes
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LOADER_NET_SUPPORT?= yes
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LOADER_NFS_SUPPORT?= yes
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LOADER_TFTP_SUPPORT?= yes
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LOADER_GZIP_SUPPORT?= yes
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LOADER_BZIP2_SUPPORT?= no
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.if ${LOADER_DISK_SUPPORT} == "yes"
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CFLAGS+= -DLOADER_DISK_SUPPORT
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.endif
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.if ${LOADER_UFS_SUPPORT} == "yes"
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CFLAGS+= -DLOADER_UFS_SUPPORT
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.endif
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.if ${LOADER_CD9660_SUPPORT} == "yes"
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CFLAGS+= -DLOADER_CD9660_SUPPORT
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.endif
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.if ${LOADER_GZIP_SUPPORT} == "yes"
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CFLAGS+= -DLOADER_GZIP_SUPPORT
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.endif
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.if ${LOADER_BZIP2_SUPPORT} == "yes"
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CFLAGS+= -DLOADER_BZIP2_SUPPORT
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.endif
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.if ${LOADER_NET_SUPPORT} == "yes"
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CFLAGS+= -DLOADER_NET_SUPPORT
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.endif
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.if ${LOADER_NFS_SUPPORT} == "yes"
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CFLAGS+= -DLOADER_NFS_SUPPORT
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.endif
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.if ${LOADER_TFTP_SUPPORT} == "yes"
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CFLAGS+= -DLOADER_TFTP_SUPPORT
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.endif
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.if ${MK_FORTH} != "no"
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# Enable BootForth
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BOOT_FORTH= yes
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CFLAGS+= -DBOOT_FORTH -I${.CURDIR}/../../ficl -I${.CURDIR}/../../ficl/sparc64
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LIBFICL= ${.OBJDIR}/../../ficl/libficl.a
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.endif
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# Always add MI sources
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.PATH: ${.CURDIR}/../../common
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.include "${.CURDIR}/../../common/Makefile.inc"
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CFLAGS+= -I${.CURDIR}/../../common
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CFLAGS+= -I.
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# Avoid the open-close-dance for every file access as some firmwares perform
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# an auto-negotiation on every open of the network interface and thus causes
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# netbooting to take horribly long.
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CFLAGS+= -DNETIF_OPEN_CLOSE_ONCE
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CLEANFILES+= vers.c loader.help
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LDFLAGS= -static
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# Open Firmware standalone support library
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LIBOFW= ${.OBJDIR}/../../ofw/libofw/libofw.a
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CFLAGS+= -I${.CURDIR}/../../ofw/libofw/
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# where to get libstand from
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CFLAGS+= -I${.CURDIR}/../../../../lib/libstand/
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DPADD= ${LIBFICL} ${LIBOFW} ${LIBSTAND}
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LDADD= ${LIBFICL} ${LIBOFW} -lstand
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vers.c: ${.CURDIR}/../../common/newvers.sh ${.CURDIR}/version
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sh ${.CURDIR}/../../common/newvers.sh ${.CURDIR}/version ${NEWVERSWHAT}
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loader.help: help.common help.sparc64
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cat ${.ALLSRC} | \
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awk -f ${.CURDIR}/../../common/merge_help.awk > ${.TARGET}
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.PATH: ${.CURDIR}/../../forth
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FILES= loader.help loader.4th support.4th loader.conf
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FILESDIR_loader.conf= /boot/defaults
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.if !exists(${DESTDIR}/boot/loader.rc)
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FILES+= loader.rc
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.endif
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.include <bsd.prog.mk>
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