init.resc

:name: Zynq-7000 SoC
:description: This script runs Linux on Zynq-7000 SoC.

using sysbus
$name?="Zynq"
mach create $name

machine LoadPlatformDescription @action/device/zynq_7000/platform.repl
showAnalyzer uart0
sysbus Redirect 0xC0000000 0x0 0x10000000

$bin?=@images/vmlinux
$rootfs?=@images/rootfs.cpio
$dtb?=@images/zynq-test.dtb

# Set timer frequency
ttc0 Frequency 33333333
ttc1 Frequency 33333333

# rootfs
machine LoadPlatformDescriptionFromString 'virtio: Storage.VirtIOBlockDevice @ sysbus 0xe0104000 { IRQ -> gic@63 }'
virtio LoadImage @images/rootfs.img true

# This setting increases emulation speed, thus mitigates networks errors and speedup user scripts.
machine SetAdvanceImmediately true

# Set registers
cpu SetRegisterUnsafe 0 0x000
cpu SetRegisterUnsafe 1 0xD32 # processor variant (cortex-a9)
cpu SetRegisterUnsafe 2 0x100 # device tree address

macro reset
"""
    sysbus LoadELF $bin
    sysbus LoadFdt $dtb 0x100 "console=ttyPS0,115200 root=/dev/ram0 rw init=/init initrd=0x1a000000,32M" false
    sysbus ZeroRange 0x1a000000 0x800000
    sysbus LoadBinary $rootfs 0x1a000000
"""
runMacro $reset