6d7eff8023
AM335X SoCs support power-off via a power management chip (PMIC). An alarm in the real time clock is used to trigger the PMIC to cut the power. To ensure the alarm goes off when the system is in a safe state, the RTC is frozen when the alarm is set. At the last moment, the kernel unfreezes the RTC to let the alarm go off. This patch adds a mini driver for unfreezing the RTC as well as code to handle RBT_POWEROFF on Minix/arm. Change-Id: I7d48e75791e3a81bdd2f7704997193a269409fe8
89 lines
3.5 KiB
Makefile
89 lines
3.5 KiB
Makefile
# Makefile for arch-dependent kernel code
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.include <bsd.own.mk>
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HERE=${.CURDIR}/arch/${MACHINE_ARCH}
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.PATH: ${HERE}
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# objects we want unpaged from -lminlib
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MINLIB_OBJS_UNPAGED=get_bp.o
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get_bp.o: ${NETBSDSRCDIR}/lib/libminlib/${MACHINE_ARCH}/get_bp.S
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# objects we want unpaged from -lsys
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SYS_OBJS_UNPAGED=assert.o kprintf.o stacktrace.o vprintf.o
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assert.o: ${NETBSDSRCDIR}/lib/libsys/assert.c
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kprintf.o: ${NETBSDSRCDIR}/lib/libsys/kprintf.c
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stacktrace.o: ${NETBSDSRCDIR}/lib/libsys/stacktrace.c
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vprintf.o: ${NETBSDSRCDIR}/lib/libsys/vprintf.c
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# objects we want unpaged from -lminc
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MINC_OBJS_UNPAGED=findfp.o strcat.o strlen.o memcpy.o strcpy.o strncmp.o \
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memset.o memmove.o strcmp.o atoi.o ctype_.o strtol.o \
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_errno.o errno.o udivdi3.o umoddi3.o qdivrem.o
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MINC_OBJS_UNPAGED+= divsi3.o __aeabi_uldivmod.o
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#_udivsi3.o _divdi3.o _udivdi3.o _umoddi3.o _dvmd_tls.o _clzsi2.o bpabi.o
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memcpy.o: ${NETBSDSRCDIR}/common/lib/libc/string/memcpy.c
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memmove.o: ${NETBSDSRCDIR}/common/lib/libc/string/memmove.c
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memset.o: ${NETBSDSRCDIR}/common/lib/libc/string/memset.c
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strcat.o: ${NETBSDSRCDIR}/common/lib/libc/string/strcat.c
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strlen.o: ${NETBSDSRCDIR}/common/lib/libc/string/strlen.c
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strcpy.o: ${NETBSDSRCDIR}/common/lib/libc/string/strcpy.c
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strcmp.o: ${NETBSDSRCDIR}/common/lib/libc/string/strcmp.c
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strncmp.o: ${NETBSDSRCDIR}/common/lib/libc/string/strncmp.c
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udivdi3.o: ${NETBSDSRCDIR}/common/lib/libc/quad/udivdi3.c
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umoddi3.o: ${NETBSDSRCDIR}/common/lib/libc/quad/umoddi3.c
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qdivrem.o: ${NETBSDSRCDIR}/common/lib/libc/quad/qdivrem.c
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atoi.o: ${NETBSDSRCDIR}/lib/libc/stdlib/atoi.c
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strtol.o: ${NETBSDSRCDIR}/lib/libc/stdlib/strtol.c
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findfp.o: ${NETBSDSRCDIR}/lib/libc/stdio/findfp.c
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ctype_.o: ${NETBSDSRCDIR}/lib/libc/gen/ctype_.c
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_errno.o: ${NETBSDSRCDIR}/lib/libc/gen/_errno.c
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errno.o: ${NETBSDSRCDIR}/lib/libc/gen/errno.c
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divsi3.o: ${NETBSDSRCDIR}/common/lib/libc/arch/${MACHINE_GNU_ARCH}/gen/divsi3.S
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__aeabi_uldivmod.o: ${NETBSDSRCDIR}/common/lib/libc/arch/${MACHINE_GNU_ARCH}/quad/__aeabi_uldivmod.S
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# Specific flags needed to compile a few of the object files.
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CPPFLAGS.strtol.c+= -I ${NETBSDSRCDIR}/common/lib/libc/stdlib
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CPPFLAGS.ctype_.c+= -I ${NETBSDSRCDIR}/lib/libc/locale
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CPPFLAGS._errno.c+= -I ${NETBSDSRCDIR}/lib/libc/include
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CPPFLAGS.assert.c+= -I ${NETBSDSRCDIR}/lib/libc/include
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CPPFLAGS.findfp.c+= -I ${NETBSDSRCDIR}/lib/libc/include
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# some object files we give a symbol prefix (or namespace) of __k_unpaged_
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# that must live in their own unique namespace.
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#
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.for unpaged_obj in head.o pre_init.o direct_tty_utils.o \
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pg_utils.o klib.o omap_serial.o omap_rtc.o utility.o arch_reset.o \
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${MINLIB_OBJS_UNPAGED} ${MINC_OBJS_UNPAGED} ${SYS_OBJS_UNPAGED}
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unpaged_${unpaged_obj}: ${unpaged_obj}
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${OBJCOPY} --prefix-symbols=__k_unpaged_ ${.OBJDIR}/${unpaged_obj} $@
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UNPAGED_OBJS += unpaged_${unpaged_obj}
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ORIG_UNPAGED_OBJS += ${unpaged_obj}
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.endfor
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CLEANFILES+= ${ORIG_UNPAGED_OBJS}
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SRCS+= mpx.S arch_clock.c arch_do_vmctl.c arch_system.c \
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omap_serial.c omap_timer.c omap_padconf.c omap_intr.c omap_rtc.c \
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exception.c klib.S memory.c \
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protect.c direct_tty_utils.c arch_reset.c \
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pg_utils.c phys_copy.S phys_memset.S exc.S
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OBJS.kernel+= ${UNPAGED_OBJS}
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klib.o mpx.o head.o: procoffsets.h
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SRCS+= procoffsets.h
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PROCOFFSETSCF=procoffsets.cf
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.PATH: ${NETBSDSRCDIR}/include/arch/${MACHINE_ARCH}/include
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procoffsets.h: ${PROCOFFSETSCF} kernel.h proc.h stackframe.h archtypes.h
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${_MKTARGET_CREATE}
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${TOOL_CAT} ${HERE}/${PROCOFFSETSCF} | \
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${TOOL_GENASSYM} -- ${CC} ${CFLAGS} ${CPPFLAGS} ${PROF} >$@.tmp && \
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mv -f $@.tmp $@
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sconst.h: procoffsets.h
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apic_asm.o head.o klib.o mpx.o: sconst.h
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