99 lines
2.3 KiB
Makefile
99 lines
2.3 KiB
Makefile
# $FreeBSD$
|
|
|
|
.include <bsd.init.mk>
|
|
|
|
FILES= boot boot1 boot2
|
|
|
|
NM?= nm
|
|
|
|
# A value of 0x80 enables LBA support.
|
|
BOOT_BOOT1_FLAGS?= 0x80
|
|
|
|
BOOT_COMCONSOLE_PORT?= 0x3f8
|
|
BOOT_COMCONSOLE_SPEED?= 9600
|
|
B2SIOFMT?= 0x3
|
|
|
|
REL1= 0x700
|
|
ORG1= 0x7c00
|
|
ORG2= 0x2000
|
|
|
|
# Decide level of UFS support.
|
|
BOOT2_UFS?= UFS1_AND_UFS2
|
|
#BOOT2_UFS?= UFS2_ONLY
|
|
#BOOT2_UFS?= UFS1_ONLY
|
|
|
|
CFLAGS+=-fomit-frame-pointer \
|
|
-mrtd \
|
|
-mregparm=3 \
|
|
-D${BOOT2_UFS} \
|
|
-DFLAGS=${BOOT_BOOT1_FLAGS} \
|
|
-DSIOPRT=${BOOT_COMCONSOLE_PORT} \
|
|
-DSIOFMT=${B2SIOFMT} \
|
|
-DSIOSPD=${BOOT_COMCONSOLE_SPEED} \
|
|
-I${LDRSRC} \
|
|
-Wall -Waggregate-return -Wbad-function-cast -Wno-cast-align \
|
|
-Wmissing-declarations -Wmissing-prototypes -Wnested-externs \
|
|
-Wpointer-arith -Wshadow -Wstrict-prototypes -Wwrite-strings \
|
|
-Winline
|
|
|
|
CFLAGS.gcc+= -Os \
|
|
-fno-asynchronous-unwind-tables \
|
|
--param max-inline-insns-single=100
|
|
.if ${COMPILER_TYPE} == "gcc" && ${COMPILER_VERSION} <= 40201
|
|
CFLAGS.gcc+= -mno-align-long-strings
|
|
.endif
|
|
|
|
CFLAGS.clang+= -Oz ${CLANG_OPT_SMALL}
|
|
|
|
LD_FLAGS+=${LD_FLAGS_BIN}
|
|
|
|
CLEANFILES+= boot
|
|
|
|
boot: boot1 boot2
|
|
cat boot1 boot2 > boot
|
|
|
|
CLEANFILES+= boot1 boot1.out boot1.o
|
|
|
|
boot1: boot1.out
|
|
${OBJCOPY} -S -O binary boot1.out ${.TARGET}
|
|
|
|
boot1.out: boot1.o
|
|
${LD} ${LD_FLAGS} -e start -Ttext ${ORG1} -o ${.TARGET} boot1.o
|
|
|
|
CLEANFILES+= boot2 boot2.ld boot2.ldr boot2.bin boot2.out boot2.o \
|
|
boot2.h sio.o
|
|
|
|
BOOT2SIZE= 7680
|
|
|
|
boot2: boot2.ld
|
|
@set -- `ls -l ${.ALLSRC}`; x=$$((${BOOT2SIZE}-$$5)); \
|
|
echo "$$x bytes available"; test $$x -ge 0
|
|
${DD} if=${.ALLSRC} of=${.TARGET} obs=${BOOT2SIZE} conv=osync
|
|
|
|
boot2.ld: boot2.ldr boot2.bin ${BTXKERN}
|
|
btxld -v -E ${ORG2} -f bin -b ${BTXKERN} -l boot2.ldr \
|
|
-o ${.TARGET} -P 1 boot2.bin
|
|
|
|
boot2.ldr:
|
|
${DD} if=/dev/zero of=${.TARGET} bs=512 count=1
|
|
|
|
boot2.bin: boot2.out
|
|
${OBJCOPY} -S -O binary boot2.out ${.TARGET}
|
|
|
|
boot2.out: ${BTXCRT} boot2.o sio.o
|
|
${LD} ${LD_FLAGS} -Ttext ${ORG2} -o ${.TARGET} ${.ALLSRC}
|
|
|
|
SRCS= boot2.c boot2.h
|
|
|
|
boot2.h: boot1.out
|
|
${NM} -t d ${.ALLSRC} | awk '/([0-9])+ T xread/ \
|
|
{ x = $$1 - ORG1; \
|
|
printf("#define XREADORG %#x\n", REL1 + x) }' \
|
|
ORG1=`printf "%d" ${ORG1}` \
|
|
REL1=`printf "%d" ${REL1}` > ${.TARGET}
|
|
|
|
.include <bsd.prog.mk>
|
|
|
|
# XXX: clang integrated-as doesn't grok .codeNN directives yet
|
|
CFLAGS.boot1.S= ${CLANG_NO_IAS}
|