New bare metal kernel configuration.

This commit is contained in:
Serge Vakulenko
2015-09-07 15:30:41 -07:00
parent 496e7ac168
commit ac83afdde8
5 changed files with 422 additions and 42 deletions

View File

@@ -7,3 +7,6 @@ unix.bin
unix.map
usbboot.map
vers.c
*.h
ioconf.c
swapunix.c

View File

@@ -122,6 +122,8 @@ SYSTEM_LD_TAIL = ${SIZE} $@; \
$(OBJCOPY) -O binary -R .boot -R .config $@ $(basename $@).bin; \
$(OBJDUMP) -d -S $@ > $(basename $@).dis
unix: unix.elf
unix.elf: ${SYSTEM_DEP} swapunix.o
${SYSTEM_LD_HEAD}
${SYSTEM_LD} swapunix.o
@@ -130,7 +132,7 @@ unix.elf: ${SYSTEM_DEP} swapunix.o
swapunix.o: swapunix.c
${COMPILE_C}
all: unix.elf
all: unix
clean:
rm -rf .deps *.elf *.o *.map *.dis *.bin machine sys

View File

@@ -3,8 +3,10 @@
.oldversion
machine
sys
boot.bin
unix.bin
unix.map
usbboot.map
vers.c
*.h
ioconf.c
swapunix.c

View File

@@ -0,0 +1,65 @@
#
# Custom board with UART console
# ==============================
# Console on UART1.
#
# To build the kernel, use:
# cd sys/pic32/baremetal
# kconfig Config
# make clean
# make
#
# Format of this file is described on page:
# http://retrobsd.org/wiki/doku.php/doc/kconfig
#
architecture "pic32"
cpu "PIC32MX7" # Processor variant
board "BAREMETAL" # Board type
ldscript "cfg/bare.ld" # Linker script
# Standard system options
options "CPU_KHZ=80000" # Oscillator frequency of CPU core
options "BUS_KHZ=80000" # Frequency of peripheral bus
options "BUS_DIV=1" # Bus clock divisor 1/2/4/8
# LED
options "LED_KERNEL_PORT=TRISD" # for kernel activity LED...
options "LED_KERNEL_PIN=3" # ...use pin RD3
options "LED_DISK_PORT=TRISD" # for disk activity LED...
options "LED_DISK_PIN=2" # ...use pin RD2
options "LED_TTY_PORT=TRISD" # for sserial activity LED...
options "LED_TTY_PIN=12" # ...use pin RD12
# Root filesystem at /dev/sd0a, swap at /dev/sd0b
config unix root on sd0a
swap on sd0b
# Serial UART ports
device uart1
options "UART1_ENABLED" # TODO: delete this option
# Console options
options "CONSOLE_DEVICE=tty0" # /dev/tty0
# SPI ports
controller spi2 # SD card
options "SPI_ENABLED" # TODO: delete this option
# SD card
disk sd0 at spi2 flags 0x41 # select pin RD1
options "SD0_MHZ=16" # speed 16 MHz
options "SD0_PORT=2" # at spi2 TODO: delete
options "SD0_CS_PORT=TRISD" # for chip select... TODO: use flags
options "SD0_CS_PIN=1" # ...use pin RD1 TODO: use flags
# General purpose I/O ports
device gpio0
options "GPIO_ENABLED" # TODO: delete this option
# ADC driver
device adc0
options "ADC_ENABLED" # TODO: delete this option
# PWM driver
device pwm0
options "PWM_ENABLED" # TODO: delete this option

View File

@@ -1,45 +1,353 @@
BUILDPATH = ../../../tools/configsys/../../sys/pic32
H = ../../../tools/configsys/../../sys/include
M = ../../../tools/configsys/../../sys/pic32
S = ../../../tools/configsys/../../sys/kernel
PARAM = -DBAREMETAL
PARAM += -DPIC32MX7
PARAM += -DPWM_ENABLED
PARAM += -DADC_ENABLED
PARAM += -DGPIO_ENABLED
PARAM += -DSD0_CS_PIN=1
PARAM += -DSD0_CS_PORT=TRISD
PARAM += -DSD0_PORT=2
PARAM += -DSD0_MHZ=16
PARAM += -DSPI_ENABLED
PARAM += -DCONSOLE_DEVICE=tty0
PARAM += -DUART1_ENABLED
PARAM += -DLED_TTY_PIN=12
PARAM += -DLED_TTY_PORT=TRISD
PARAM += -DLED_DISK_PIN=2
PARAM += -DLED_DISK_PORT=TRISD
PARAM += -DLED_KERNEL_PIN=3
PARAM += -DLED_KERNEL_PORT=TRISD
PARAM += -DBUS_DIV=1
PARAM += -DBUS_KHZ=80000
PARAM += -DCPU_KHZ=80000
LDSCRIPT = "cfg/bare.ld"
#
# Makefile for RetroBSD, pic32 target
#
# DEBUG is set to -g by kconfig if debugging is requested (kconfig -g).
#
include ../gcc-config.mk
vpath %.c $(M):$(S)
vpath %.S $(M):$(S)
AS = ${MIPS_GCC_PREFIX}as ${DEBUG} -mips32r2 -EL
CC = ${MIPS_GCC_PREFIX}gcc ${DEBUG} -mips32r2 -EL -nostdinc -fno-builtin -Werror -Wall
CPP = ${MIPS_GCC_PREFIX}cpp
LD = ${MIPS_GCC_PREFIX}gcc -mips32r2 -EL
LDFLAGS = -nostdlib -T ../${LDSCRIPT} -Wl,-Map=$(basename $@).map
SIZE = ${MIPS_GCC_PREFIX}size
OBJCOPY = ${MIPS_GCC_PREFIX}objcopy
OBJDUMP = ${MIPS_GCC_PREFIX}objdump
KERNOBJ += clock.o cons.o devsw.o exception.o exec_aout.o exec_conf.o exec_elf.o exec_script.o exec_subr.o init_main.o init_sysent.o kern_clock.o kern_descrip.o kern_exec.o kern_exit.o kern_fork.o kern_mman.o kern_proc.o kern_prot.o kern_prot2.o kern_resource.o kern_sig.o kern_sig2.o kern_subr.o kern_synch.o kern_sysctl.o kern_time.o machdep.o mem.o rd_sd.o rdisk.o signal.o spi_bus.o startup.o subr_prf.o subr_rmap.o swap.o sys_generic.o sys_inode.o sys_pipe.o sys_process.o syscalls.o sysctl.o tty.o tty_subr.o tty_tty.o uart.o ufs_alloc.o ufs_bio.o ufs_bmap.o ufs_dsort.o ufs_fio.o ufs_inode.o ufs_mount.o ufs_namei.o ufs_subr.o ufs_syscalls.o ufs_syscalls2.o vers.o vfs_vnops.o vm_sched.o vm_swap.o vm_swp.o
EXTRA_TARGETS =
ifneq (${MIPS_GCC_FORMAT},)
LDFLAGS += -Wl,--oformat=${MIPS_GCC_FORMAT}
endif
DEFS += -DBUS_DIV=1
DEFS += -DBUS_KHZ=80000
DEFS += -DCONSOLE_DEVICE=tty0
DEFS += -DCPU_IDIV=2
DEFS += -DCPU_KHZ=80000
DEFS += -DCPU_MUL=20
DEFS += -DCPU_ODIV=1
DEFS += -DCRYSTAL=8
DEFS += -DEXEC_AOUT
DEFS += -DEXEC_ELF
DEFS += -DEXEC_SCRIPT
DEFS += -DKERNEL
DEFS += -DLED_DISK_PIN=2
DEFS += -DLED_DISK_PORT=TRISD
DEFS += -DLED_KERNEL_PIN=3
DEFS += -DLED_KERNEL_PORT=TRISD
DEFS += -DLED_TTY_PIN=12
DEFS += -DLED_TTY_PORT=TRISD
DEFS += -DPIC32MX7
DEFS += -DSD0_CS_PIN=1
DEFS += -DSD0_CS_PORT=TRISD
DEFS += -DSD0_MHZ=16
DEFS += -DSD0_PORT=2
DEFS += -DUART1_BAUD=115200
DEFS += -DUART1_ENABLED=YES
DEFS += -DUCB_METER
# sources are located via $S relative to the compilation directory
S = ../..
DEPFLAGS = -MT $@ -MP -MD -MF .deps/$*.dep
DEFS = -I. ${PARAM} -DKERNEL $(DEPFLAGS)
CFLAGS = -O ${DEFS}
# compile rules: rules are named COMPILE_${SUFFIX}
# SUFFIX is the file suffix, capitalized (e.g. C for a .c file).
COMPILE_C = ${CC} -c ${CFLAGS} $<
COMPILE_S = ${CC} -c ${DEFS} $<
OBJS = exec_aout.o exec_conf.o exec_elf.o exec_script.o exec_subr.o \
init_main.o init_sysent.o kern_clock.o kern_descrip.o \
kern_exec.o kern_exit.o kern_fork.o kern_mman.o kern_proc.o \
kern_prot.o kern_prot2.o kern_resource.o kern_sig.o kern_sig2.o \
kern_subr.o kern_synch.o kern_sysctl.o kern_time.o rdisk.o \
subr_prf.o subr_rmap.o sys_generic.o sys_inode.o sys_pipe.o \
sys_process.o syscalls.o tty.o tty_subr.o tty_tty.o ufs_alloc.o \
ufs_bio.o ufs_bmap.o ufs_dsort.o ufs_fio.o ufs_inode.o \
ufs_mount.o ufs_namei.o ufs_subr.o ufs_syscalls.o \
ufs_syscalls2.o vfs_vnops.o vm_sched.o vm_swap.o vm_swp.o adc.o \
clock.o cons.o devsw.o exception.o gpio.o machdep.o mem.o pwm.o \
rd_sd.o signal.o spi.o spi_bus.o swap.o sysctl.o uart.o
CFILES = $S/kernel/exec_aout.c $S/kernel/exec_conf.c $S/kernel/exec_elf.c \
$S/kernel/exec_script.c $S/kernel/exec_subr.c \
$S/kernel/init_main.c $S/kernel/init_sysent.c \
$S/kernel/kern_clock.c $S/kernel/kern_descrip.c \
$S/kernel/kern_exec.c $S/kernel/kern_exit.c \
$S/kernel/kern_fork.c $S/kernel/kern_mman.c \
$S/kernel/kern_proc.c $S/kernel/kern_prot.c \
$S/kernel/kern_prot2.c $S/kernel/kern_resource.c \
$S/kernel/kern_sig.c $S/kernel/kern_sig2.c $S/kernel/kern_subr.c \
$S/kernel/kern_synch.c $S/kernel/kern_sysctl.c \
$S/kernel/kern_time.c $S/kernel/rdisk.c $S/kernel/subr_prf.c \
$S/kernel/subr_rmap.c $S/kernel/sys_generic.c \
$S/kernel/sys_inode.c $S/kernel/sys_pipe.c \
$S/kernel/sys_process.c $S/kernel/syscalls.c $S/kernel/tty.c \
$S/kernel/tty_subr.c $S/kernel/tty_tty.c $S/kernel/ufs_alloc.c \
$S/kernel/ufs_bio.c $S/kernel/ufs_bmap.c $S/kernel/ufs_dsort.c \
$S/kernel/ufs_fio.c $S/kernel/ufs_inode.c $S/kernel/ufs_mount.c \
$S/kernel/ufs_namei.c $S/kernel/ufs_subr.c \
$S/kernel/ufs_syscalls.c $S/kernel/ufs_syscalls2.c \
$S/kernel/vfs_vnops.c $S/kernel/vm_sched.c $S/kernel/vm_swap.c \
$S/kernel/vm_swp.c $S/pic32/adc.c $S/pic32/clock.c \
$S/pic32/cons.c $S/pic32/devsw.c $S/pic32/exception.c \
$S/pic32/gpio.c $S/pic32/machdep.c $S/pic32/mem.c $S/pic32/pwm.c \
$S/pic32/rd_sd.c $S/pic32/signal.c $S/pic32/spi.c \
$S/pic32/spi_bus.c $S/pic32/swap.c $S/pic32/sysctl.c \
$S/pic32/uart.c swapunix.c
# load lines for config "xxx" will be emitted as:
# xxx: ${SYSTEM_DEP} swapxxx.o
# ${SYSTEM_LD_HEAD}
# ${SYSTEM_LD} swapxxx.o
# ${SYSTEM_LD_TAIL}
SYSTEM_OBJ = startup.o ${OBJS} #ioconf.o
ifeq (devcfg.c,$(wildcard devcfg.c))
SYSTEM_OBJ += devcfg.o
endif
SYSTEM_DEP = Makefile ioconf.c machine sys .deps ${SYSTEM_OBJ}
SYSTEM_LD_HEAD = sh ../newvers.sh > vers.c; ${CC} $(CFLAGS) -c vers.c; rm -f $@
SYSTEM_LD = -@echo ${LD} ${LDFLAGS} '$${SYSTEM_OBJ}' vers.o -o $@; \
${LD} ${LDFLAGS} ${SYSTEM_OBJ} vers.o -o $@
SYSTEM_LD_TAIL = ${SIZE} $@; \
$(OBJCOPY) -O ihex --change-addresses=0x80000000 $@ $(basename $@).hex; \
$(OBJCOPY) -O binary -R .boot -R .config $@ $(basename $@).bin; \
$(OBJDUMP) -d -S $@ > $(basename $@).dis
unix: unix.elf
unix.elf: ${SYSTEM_DEP} swapunix.o
${SYSTEM_LD_HEAD}
${SYSTEM_LD} swapunix.o
${SYSTEM_LD_TAIL}
swapunix.o: swapunix.c
${COMPILE_C}
all: unix
clean:
rm -rf .deps *.elf *.o *.map *.dis *.bin machine sys
clean-all: clean
rm -f *.h *.hex ioconf.c swap*.c vers.c
reconfig ioconf.c: Config ../../../tools/kconfig/kconfig
../../../tools/kconfig/kconfig Config
$(MAKE) clean
rm -f *.hex
load: unix.elf
pic32prog unix.hex
machine:
ln -s .. $@
sys:
ln -s ../../include $@
.deps:
mkdir .deps
startup.o: ../startup.S
${COMPILE_S}
ioconf.o: ioconf.c
${COMPILE_C}
exec_aout.o: $S/kernel/exec_aout.c
${COMPILE_C}
exec_conf.o: $S/kernel/exec_conf.c
${COMPILE_C}
exec_elf.o: $S/kernel/exec_elf.c
${COMPILE_C}
exec_script.o: $S/kernel/exec_script.c
${COMPILE_C}
exec_subr.o: $S/kernel/exec_subr.c
${COMPILE_C}
init_main.o: $S/kernel/init_main.c
${COMPILE_C}
init_sysent.o: $S/kernel/init_sysent.c
${COMPILE_C}
kern_clock.o: $S/kernel/kern_clock.c
${COMPILE_C}
kern_descrip.o: $S/kernel/kern_descrip.c
${COMPILE_C}
kern_exec.o: $S/kernel/kern_exec.c
${COMPILE_C}
kern_exit.o: $S/kernel/kern_exit.c
${COMPILE_C}
kern_fork.o: $S/kernel/kern_fork.c
${COMPILE_C}
kern_mman.o: $S/kernel/kern_mman.c
${COMPILE_C}
kern_proc.o: $S/kernel/kern_proc.c
${COMPILE_C}
kern_prot.o: $S/kernel/kern_prot.c
${COMPILE_C}
kern_prot2.o: $S/kernel/kern_prot2.c
${COMPILE_C}
kern_resource.o: $S/kernel/kern_resource.c
${COMPILE_C}
kern_sig.o: $S/kernel/kern_sig.c
${COMPILE_C}
kern_sig2.o: $S/kernel/kern_sig2.c
${COMPILE_C}
kern_subr.o: $S/kernel/kern_subr.c
${COMPILE_C}
kern_synch.o: $S/kernel/kern_synch.c
${COMPILE_C}
kern_sysctl.o: $S/kernel/kern_sysctl.c
${COMPILE_C}
kern_time.o: $S/kernel/kern_time.c
${COMPILE_C}
rdisk.o: $S/kernel/rdisk.c
${COMPILE_C}
subr_prf.o: $S/kernel/subr_prf.c
${COMPILE_C}
subr_rmap.o: $S/kernel/subr_rmap.c
${COMPILE_C}
sys_generic.o: $S/kernel/sys_generic.c
${COMPILE_C}
sys_inode.o: $S/kernel/sys_inode.c
${COMPILE_C}
sys_pipe.o: $S/kernel/sys_pipe.c
${COMPILE_C}
sys_process.o: $S/kernel/sys_process.c
${COMPILE_C}
syscalls.o: $S/kernel/syscalls.c
${COMPILE_C}
tty.o: $S/kernel/tty.c
${COMPILE_C}
tty_subr.o: $S/kernel/tty_subr.c
${COMPILE_C}
tty_tty.o: $S/kernel/tty_tty.c
${COMPILE_C}
ufs_alloc.o: $S/kernel/ufs_alloc.c
${COMPILE_C}
ufs_bio.o: $S/kernel/ufs_bio.c
${COMPILE_C}
ufs_bmap.o: $S/kernel/ufs_bmap.c
${COMPILE_C}
ufs_dsort.o: $S/kernel/ufs_dsort.c
${COMPILE_C}
ufs_fio.o: $S/kernel/ufs_fio.c
${COMPILE_C}
ufs_inode.o: $S/kernel/ufs_inode.c
${COMPILE_C}
ufs_mount.o: $S/kernel/ufs_mount.c
${COMPILE_C}
ufs_namei.o: $S/kernel/ufs_namei.c
${COMPILE_C}
ufs_subr.o: $S/kernel/ufs_subr.c
${COMPILE_C}
ufs_syscalls.o: $S/kernel/ufs_syscalls.c
${COMPILE_C}
ufs_syscalls2.o: $S/kernel/ufs_syscalls2.c
${COMPILE_C}
vfs_vnops.o: $S/kernel/vfs_vnops.c
${COMPILE_C}
vm_sched.o: $S/kernel/vm_sched.c
${COMPILE_C}
vm_swap.o: $S/kernel/vm_swap.c
${COMPILE_C}
vm_swp.o: $S/kernel/vm_swp.c
${COMPILE_C}
adc.o: $S/pic32/adc.c
${COMPILE_C}
clock.o: $S/pic32/clock.c
${COMPILE_C}
cons.o: $S/pic32/cons.c
${COMPILE_C}
devsw.o: $S/pic32/devsw.c
${COMPILE_C}
exception.o: $S/pic32/exception.c
${COMPILE_C}
gpio.o: $S/pic32/gpio.c
${COMPILE_C}
machdep.o: $S/pic32/machdep.c
${COMPILE_C}
mem.o: $S/pic32/mem.c
${COMPILE_C}
pwm.o: $S/pic32/pwm.c
${COMPILE_C}
rd_sd.o: $S/pic32/rd_sd.c
${COMPILE_C}
signal.o: $S/pic32/signal.c
${COMPILE_C}
spi.o: $S/pic32/spi.c
${COMPILE_C}
spi_bus.o: $S/pic32/spi_bus.c
${COMPILE_C}
swap.o: $S/pic32/swap.c
${COMPILE_C}
sysctl.o: $S/pic32/sysctl.c
${COMPILE_C}
uart.o: $S/pic32/uart.c
${COMPILE_C}
LDSCRIPT = ../../../tools/configsys/../../sys/pic32/cfg/bare.ld
CONFIG = BAREMETAL
CONFIGPATH = ../../../tools/configsys
include ../../../tools/configsys/../../sys/pic32/kernel-post.mk
ifeq (.deps, $(wildcard .deps))
-include .deps/*.dep
endif