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-rw-r--r--target/linux/bmips/image/Makefile257
-rw-r--r--target/linux/bmips/image/bcm63xx_generic.mk74
-rw-r--r--target/linux/bmips/image/bcm63xx_nand.mk81
-rw-r--r--target/linux/bmips/image/lzma-loader/Makefile74
-rw-r--r--target/linux/bmips/image/lzma-loader/src/LzmaDecode.c584
-rw-r--r--target/linux/bmips/image/lzma-loader/src/LzmaDecode.h113
-rw-r--r--target/linux/bmips/image/lzma-loader/src/LzmaTypes.h45
-rw-r--r--target/linux/bmips/image/lzma-loader/src/Makefile85
-rw-r--r--target/linux/bmips/image/lzma-loader/src/board.c37
-rw-r--r--target/linux/bmips/image/lzma-loader/src/cache.c42
-rw-r--r--target/linux/bmips/image/lzma-loader/src/cache.h13
-rw-r--r--target/linux/bmips/image/lzma-loader/src/cacheops.h82
-rw-r--r--target/linux/bmips/image/lzma-loader/src/config.h15
-rw-r--r--target/linux/bmips/image/lzma-loader/src/cp0regdef.h55
-rw-r--r--target/linux/bmips/image/lzma-loader/src/head.S118
-rw-r--r--target/linux/bmips/image/lzma-loader/src/loader.c169
-rw-r--r--target/linux/bmips/image/lzma-loader/src/loader.lds36
-rw-r--r--target/linux/bmips/image/lzma-loader/src/loader2.lds12
-rw-r--r--target/linux/bmips/image/lzma-loader/src/lzma-data.lds10
-rw-r--r--target/linux/bmips/image/lzma-loader/src/printf.c345
-rw-r--r--target/linux/bmips/image/lzma-loader/src/printf.h13
21 files changed, 2260 insertions, 0 deletions
diff --git a/target/linux/bmips/image/Makefile b/target/linux/bmips/image/Makefile
new file mode 100644
index 0000000000..c1534a88db
--- /dev/null
+++ b/target/linux/bmips/image/Makefile
@@ -0,0 +1,257 @@
+# SPDX-License-Identifier: GPL-2.0-or-later
+
+include $(TOPDIR)/rules.mk
+include $(INCLUDE_DIR)/image.mk
+
+KERNEL_LOADADDR := 0x80010000 # RAM start + 64K
+LOADER_ENTRY := 0x80a00000 # RAM start + 10M, for relocate
+RAMSIZE := 0x02000000 # 32MB
+LZMA_TEXT_START := 0x81800000 # 32MB - 8MB
+
+DEVICE_VARS += CHIP_ID DEVICE_LOADADDR
+
+define Build/Compile
+ rm -rf $(KDIR)/relocate
+ $(CP) ../../generic/image/relocate $(KDIR)
+ $(MAKE) -C $(KDIR)/relocate \
+ CACHELINE_SIZE=16 \
+ CROSS_COMPILE=$(TARGET_CROSS) \
+ KERNEL_ADDR=$(KERNEL_LOADADDR) \
+ LZMA_TEXT_START=$(LOADER_ENTRY)
+endef
+
+### Kernel scripts ###
+define Build/loader-lzma
+ @rm -rf $@.src
+ $(MAKE) -C lzma-loader \
+ CHIP_ID=$(CHIP_ID) \
+ KERNEL_ADDR=$(KERNEL_LOADADDR) \
+ KDIR=$(KDIR) \
+ LOADER_ADDR=$(if $(DEVICE_LOADADDR),$(DEVICE_LOADADDR),$(LOADER_ENTRY)) \
+ LOADER_DATA="$@" \
+ LOADER_NAME="$(notdir $@)" \
+ LZMA_TEXT_START=$(LZMA_TEXT_START) \
+ PKG_BUILD_DIR="$@.src" \
+ RAMSIZE=$(RAMSIZE) \
+ TARGET_DIR="$(dir $@)" \
+ compile loader.$(1)
+ @mv "$@.$(1)" "$@"
+ @rm -rf $@.src
+endef
+
+define Build/lzma-cfe
+ # CFE is a LZMA nazi! It took me hours to find out the parameters!
+ # Also I think lzma has a bug cause it generates different output depending on
+ # if you use stdin / stdout or not. Use files instead of stdio here, cause
+ # otherwise CFE will complain and not boot the image.
+ $(call Build/lzma-no-dict,-d22 -fb64 -a1)
+ # Strip out the length, CFE doesn't like this
+ dd if=$@ of=$@.new bs=5 count=1
+ dd if=$@ of=$@.new ibs=13 obs=5 skip=1 seek=1 conv=notrunc
+ @mv $@.new $@
+endef
+
+define Build/relocate-kernel
+ # CFE only allows ~4 MiB for the uncompressed kernels, but uncompressed
+ # kernel might get larger than that, so let CFE unpack and load at a
+ # higher address and make the kernel relocate itself to the expected
+ # location.
+ ( \
+ dd if=$(KDIR)/relocate/loader.bin bs=32 conv=sync && \
+ perl -e '@s = stat("$@"); print pack("N", @s[7])' && \
+ cat $@ \
+ ) > $@.relocate
+ @mv $@.relocate $@
+endef
+
+### Image scripts ###
+define rootfspad/jffs2-128k
+--align-rootfs
+endef
+define rootfspad/jffs2-64k
+--align-rootfs
+endef
+define rootfspad/squashfs
+endef
+
+define Image/FileSystemStrip
+$(firstword $(subst +,$(space),$(subst root.,,$(notdir $(1)))))
+endef
+
+define Build/cfe-bin
+ $(STAGING_DIR_HOST)/bin/imagetag -i $(IMAGE_KERNEL) -f $(IMAGE_ROOTFS) \
+ --output $@ --boardid $(CFE_BOARD_ID) --chipid $(CHIP_ID) \
+ --entry $(LOADER_ENTRY) --load-addr $(LOADER_ENTRY) \
+ --info1 "$(call ModelNameLimit16,$(DEVICE_NAME))" \
+ --info2 "$(call Image/FileSystemStrip,$(IMAGE_ROOTFS))" \
+ $(call rootfspad/$(call Image/FileSystemStrip,$(IMAGE_ROOTFS))) \
+ $(CFE_EXTRAS) $(1)
+endef
+
+define Build/cfe-jffs2
+ $(STAGING_DIR_HOST)/bin/mkfs.jffs2 \
+ --big-endian \
+ --pad \
+ --no-cleanmarkers \
+ --eraseblock=$(patsubst %k,%KiB,$(BLOCKSIZE)) \
+ --root=$(1) \
+ --output=$@ \
+ --compression-mode=none
+
+ $(call Build/pad-to,$(BLOCKSIZE))
+endef
+
+define Build/cfe-jffs2-cferam
+ mv $@ $@.kernel
+
+ rm -rf $@-cferam
+ mkdir -p $@-cferam
+
+ # CFE ROM checks JFFS2 dirent version of cferam.
+ # If version is not > 0 it will ignore the fs entry.
+ # JFFS2 sets version 0 to the first fs entry and increments
+ # it on the following ones, so let's create a dummy file that
+ # will have version 0 and let cferam be the second (version 1).
+ touch $@-cferam/1-openwrt
+ # Add cferam as the last file in the JFFS2 partition
+ cp $(KDIR)/bcm63xx-cfe/$(CFE_RAM_FILE) $@-cferam/$(CFE_RAM_JFFS2_NAME)
+
+ # The JFFS2 partition creation should result in the following
+ # layout:
+ # 1) 1-openwrt (version 0, ino 2)
+ # 2) cferam.000 (version 1, ino 3)
+ $(call Build/cfe-jffs2,$@-cferam)
+
+ # Some devices need padding between CFE RAM and kernel
+ $(if $(CFE_RAM_JFFS2_PAD),$(call Build/pad-to,$(CFE_RAM_JFFS2_PAD)))
+
+ # Add CFE partition tag
+ $(if $(CFE_PART_ID),$(call Build/cfe-part-tag))
+
+ # Append kernel
+ dd if=$@.kernel >> $@
+ rm -f $@.kernel
+endef
+
+define Build/cfe-jffs2-kernel
+ rm -rf $@-kernel
+ mkdir -p $@-kernel
+
+ # CFE RAM checks JFFS2 dirent version of vmlinux.
+ # If version is not > 0 it will ignore the fs entry.
+ # JFFS2 sets version 0 to the first fs entry and increments
+ # it on the following ones, so let's create a dummy file that
+ # will have version 0 and let cferam be the second (version 1).
+ touch $@-kernel/1-openwrt
+ # vmlinux is located on a different JFFS2 partition, but CFE RAM
+ # ignores it, so let's create another dummy file that will match
+ # the JFFS2 ino of cferam entry on the first JFFS2 partition.
+ # CFE RAM won't be able to find vmlinux if cferam has the same
+ # ino as vmlinux.
+ touch $@-kernel/2-openwrt
+ # Add vmlinux as the last file in the JFFS2 partition
+ $(TOPDIR)/scripts/cfe-bin-header.py \
+ --input-file $@ \
+ --output-file $@-kernel/vmlinux.lz \
+ --load-addr $(if $(DEVICE_LOADADDR),$(DEVICE_LOADADDR),$(LOADER_ENTRY)) \
+ --entry-addr $(if $(DEVICE_LOADADDR),$(DEVICE_LOADADDR),$(LOADER_ENTRY))
+
+ # The JFFS2 partition creation should result in the following
+ # layout:
+ # 1) 1-openwrt (version 0, ino 2)
+ # 2) 2-openwrt (version 1, ino 3)
+ # 3) vmlinux.lz (version 2, ino 4)
+ $(call Build/cfe-jffs2,$@-kernel)
+endef
+
+define Build/cfe-part-tag
+ mv $@ $@.part
+
+ $(TOPDIR)/scripts/cfe-partition-tag.py \
+ --input-file $@.part \
+ --output-file $@ \
+ --flags $(CFE_PART_FLAGS) \
+ --id $(CFE_PART_ID) \
+ --name $(VERSION_CODE) \
+ --version $(DEVICE_NAME)
+
+ $(call Build/pad-to,$(BLOCKSIZE))
+
+ dd if=$@.part >> $@
+endef
+
+define Build/cfe-sercomm-crypto
+ $(TOPDIR)/scripts/sercomm-crypto.py \
+ --input-file $@ \
+ --key-file $@.key \
+ --output-file $@.ser \
+ --version OpenWrt
+ $(STAGING_DIR_HOST)/bin/openssl enc -md md5 -aes-256-cbc \
+ -in $@ -out $@.enc \
+ -K `cat $@.key` \
+ -iv 00000000000000000000000000000000
+ dd if=$@.enc >> $@.ser
+ mv $@.ser $@
+ rm -f $@.enc $@.key
+endef
+
+define Build/cfe-sercomm-load
+ $(TOPDIR)/scripts/sercomm-payload.py \
+ --input-file $@ \
+ --output-file $@.new \
+ --pid "$(SERCOMM_PID)"
+
+ mv $@.new $@
+endef
+
+define Build/cfe-sercomm-part
+ $(TOPDIR)/scripts/sercomm-partition-tag.py \
+ --input-file $@ \
+ --output-file $@.kernel_rootfs \
+ --part-name kernel_rootfs \
+ --part-version OpenWrt \
+ --rootfs-version $(SERCOMM_VERSION)
+
+ rm -rf $@-rootfs_lib
+ mkdir -p $@-rootfs_lib
+ echo $(SERCOMM_VERSION) > $@-rootfs_lib/lib_ver
+ $(call Build/cfe-jffs2,$@-rootfs_lib)
+ $(call Build/pad-to,$(BLOCKSIZE))
+ $(TOPDIR)/scripts/sercomm-partition-tag.py \
+ --input-file $@ \
+ --output-file $@.rootfs_lib \
+ --part-name rootfs_lib \
+ --part-version $(SERCOMM_VERSION)
+
+ mv $@.kernel_rootfs $@
+ dd if=$@.rootfs_lib >> $@
+endef
+
+define Build/cfe-wfi-tag
+ $(TOPDIR)/scripts/cfe-wfi-tag.py \
+ --input-file $@ \
+ --output-file $@.new \
+ --version $(if $(1),$(1),$(CFE_WFI_VERSION)) \
+ --chip-id $(CFE_WFI_CHIP_ID) \
+ --flash-type $(CFE_WFI_FLASH_TYPE) \
+ $(if $(CFE_WFI_FLAGS),--flags $(CFE_WFI_FLAGS))
+ mv $@.new $@
+endef
+
+### Device scripts ###
+define Device/Default
+ PROFILES = Default $$(DEVICE_NAME)
+ KERNEL_DEPENDS = $$(wildcard ../dts/$$(DEVICE_DTS).dts)
+ DEVICE_DTS_DIR := ../dts
+ CHIP_ID :=
+ SOC = bcm$$(CHIP_ID)
+ DEVICE_DTS = $$(SOC)-$(subst _,-,$(1))
+ DEVICE_LOADADDR :=
+endef
+
+USB1_PACKAGES := kmod-usb-ohci kmod-ledtrig-usbdev
+USB2_PACKAGES := $(USB1_PACKAGES) kmod-usb2
+
+include bcm63xx_$(SUBTARGET).mk
+
+$(eval $(call BuildImage))
diff --git a/target/linux/bmips/image/bcm63xx_generic.mk b/target/linux/bmips/image/bcm63xx_generic.mk
new file mode 100644
index 0000000000..6f9a7b9a49
--- /dev/null
+++ b/target/linux/bmips/image/bcm63xx_generic.mk
@@ -0,0 +1,74 @@
+# SPDX-License-Identifier: GPL-2.0-or-later
+
+DEVICE_VARS += CFE_BOARD_ID CFE_EXTRAS
+DEVICE_VARS += FLASH_MB IMAGE_OFFSET
+
+define Device/bcm63xx-cfe
+ FILESYSTEMS := squashfs jffs2-64k jffs2-128k
+ KERNEL := kernel-bin | append-dtb | relocate-kernel | lzma
+ KERNEL_INITRAMFS := kernel-bin | append-dtb | lzma | loader-lzma elf
+ KERNEL_INITRAMFS_SUFFIX := .elf
+ IMAGES := cfe.bin sysupgrade.bin
+ IMAGE/cfe.bin := \
+ cfe-bin $$$$(if $$$$(FLASH_MB),--pad $$$$(shell expr $$$$(FLASH_MB) / 2))
+ IMAGE/sysupgrade.bin := cfe-bin | append-metadata
+ BLOCKSIZE := 0x10000
+ IMAGE_OFFSET :=
+ FLASH_MB :=
+ CFE_BOARD_ID :=
+ CFE_EXTRAS = --block-size $$(BLOCKSIZE) \
+ --image-offset $$(if $$(IMAGE_OFFSET),$$(IMAGE_OFFSET),$$(BLOCKSIZE))
+endef
+
+# Legacy CFEs with specific LZMA parameters and no length
+define Device/bcm63xx-cfe-legacy
+ $(Device/bcm63xx-cfe)
+ KERNEL := kernel-bin | append-dtb | relocate-kernel | lzma-cfe
+endef
+
+define Device/comtrend_ar-5315u
+ $(Device/bcm63xx-cfe)
+ DEVICE_VENDOR := Comtrend
+ DEVICE_MODEL := AR-5315u
+ CHIP_ID := 6318
+ CFE_BOARD_ID := 96318A-1441N1
+ FLASH_MB := 16
+ DEVICE_PACKAGES += $(USB2_PACKAGES)
+endef
+TARGET_DEVICES += comtrend_ar-5315u
+
+define Device/comtrend_ar-5387un
+ $(Device/bcm63xx-cfe)
+ DEVICE_VENDOR := Comtrend
+ DEVICE_MODEL := AR-5387un
+ CHIP_ID := 6328
+ CFE_BOARD_ID := 96328A-1441N1
+ FLASH_MB := 16
+ DEVICE_PACKAGES += $(USB2_PACKAGES)
+endef
+TARGET_DEVICES += comtrend_ar-5387un
+
+define Device/comtrend_vr-3025u
+ $(Device/bcm63xx-cfe)
+ DEVICE_VENDOR := Comtrend
+ DEVICE_MODEL := VR-3025u
+ CHIP_ID := 6368
+ CFE_BOARD_ID := 96368M-1541N
+ BLOCKSIZE := 0x20000
+ FLASH_MB := 32
+ DEVICE_PACKAGES += $(USB2_PACKAGES)
+endef
+TARGET_DEVICES += comtrend_vr-3025u
+
+define Device/huawei_hg556a-b
+ $(Device/bcm63xx-cfe-legacy)
+ DEVICE_VENDOR := Huawei
+ DEVICE_MODEL := EchoLife HG556a
+ DEVICE_VARIANT := B
+ CHIP_ID := 6358
+ CFE_BOARD_ID := HW556
+ CFE_EXTRAS += --rsa-signature "EchoLife_HG556a" --tag-version 8
+ BLOCKSIZE := 0x20000
+ DEVICE_PACKAGES += $(USB2_PACKAGES)
+endef
+TARGET_DEVICES += huawei_hg556a-b
diff --git a/target/linux/bmips/image/bcm63xx_nand.mk b/target/linux/bmips/image/bcm63xx_nand.mk
new file mode 100644
index 0000000000..a712cd0699
--- /dev/null
+++ b/target/linux/bmips/image/bcm63xx_nand.mk
@@ -0,0 +1,81 @@
+# SPDX-License-Identifier: GPL-2.0-or-later
+
+DEVICE_VARS += CFE_PART_FLAGS CFE_PART_ID
+DEVICE_VARS += CFE_RAM_FILE
+DEVICE_VARS += CFE_RAM_JFFS2_NAME CFE_RAM_JFFS2_PAD
+DEVICE_VARS += CFE_WFI_CHIP_ID CFE_WFI_FLASH_TYPE
+DEVICE_VARS += CFE_WFI_FLAGS CFE_WFI_VERSION
+DEVICE_VARS += SERCOMM_PID SERCOMM_VERSION
+
+# CFE expects a single JFFS2 partition with cferam and kernel. However,
+# it's possible to fool CFE into properly loading both cferam and kernel
+# from two different JFFS2 partitions by adding dummy files (see
+# cfe-jffs2-cferam and cfe-jffs2-kernel).
+# Separate JFFS2 partitions allow upgrading openwrt without reflashing cferam
+# JFFS2 partition, which is much safer in case anything goes wrong.
+define Device/bcm63xx-nand
+ FILESYSTEMS := squashfs ubifs
+ KERNEL := kernel-bin | append-dtb | relocate-kernel | lzma | cfe-jffs2-kernel
+ KERNEL_INITRAMFS := kernel-bin | append-dtb | lzma | loader-lzma elf
+ KERNEL_INITRAMFS_SUFFIX := .elf
+ IMAGES := cfe.bin sysupgrade.bin
+ IMAGE/cfe.bin := append-kernel | pad-to $$$$(KERNEL_SIZE) |\
+ cfe-jffs2-cferam | append-ubi | cfe-wfi-tag
+ IMAGE/sysupgrade.bin := sysupgrade-tar | append-metadata
+ KERNEL_SIZE := 5120k
+ CFE_PART_FLAGS :=
+ CFE_PART_ID :=
+ CFE_RAM_FILE :=
+ CFE_RAM_JFFS2_NAME :=
+ CFE_RAM_JFFS2_PAD :=
+ CFE_WFI_VERSION :=
+ CFE_WFI_CHIP_ID = 0x$$(CHIP_ID)
+ CFE_WFI_FLASH_TYPE :=
+ CFE_WFI_FLAGS :=
+ UBINIZE_OPTS := -E 5
+ DEVICE_PACKAGES += nand-utils
+endef
+
+define Device/sercomm-nand
+ $(Device/bcm63xx-nand)
+ IMAGES := factory.img sysupgrade.bin
+ IMAGE/factory.img := append-kernel | pad-to $$$$(KERNEL_SIZE) | append-ubi |\
+ cfe-sercomm-part | gzip | cfe-sercomm-load | cfe-sercomm-crypto
+ SERCOM_PID :=
+ SERCOMM_VERSION :=
+endef
+
+define Device/comtrend_vr-3032u
+ $(Device/bcm63xx-nand)
+ DEVICE_VENDOR := Comtrend
+ DEVICE_MODEL := VR-3032u
+ CHIP_ID := 63268
+ SOC := bcm63168
+ CFE_RAM_FILE := comtrend,vr-3032u/cferam.000
+ CFE_RAM_JFFS2_NAME := cferam.000
+ BLOCKSIZE := 128k
+ PAGESIZE := 2048
+ SUBPAGESIZE := 512
+ VID_HDR_OFFSET := 2048
+ DEVICE_PACKAGES += $(USB2_PACKAGES)
+ CFE_WFI_FLASH_TYPE := 3
+ CFE_WFI_VERSION := 0x5732
+endef
+TARGET_DEVICES += comtrend_vr-3032u
+
+define Device/netgear_dgnd3700-v2
+ $(Device/bcm63xx-nand)
+ DEVICE_VENDOR := NETGEAR
+ DEVICE_MODEL := DGND3700
+ DEVICE_VARIANT := v2
+ CHIP_ID := 6362
+ CFE_RAM_FILE := netgear,dgnd3700-v2/cferam
+ CFE_RAM_JFFS2_NAME := cferam
+ CFE_RAM_JFFS2_PAD := 496k
+ BLOCKSIZE := 16k
+ PAGESIZE := 512
+ DEVICE_PACKAGES += $(USB2_PACKAGES)
+ CFE_WFI_FLASH_TYPE := 2
+ CFE_WFI_VERSION := 0x5731
+endef
+TARGET_DEVICES += netgear_dgnd3700-v2
diff --git a/target/linux/bmips/image/lzma-loader/Makefile b/target/linux/bmips/image/lzma-loader/Makefile
new file mode 100644
index 0000000000..045d1be9a3
--- /dev/null
+++ b/target/linux/bmips/image/lzma-loader/Makefile
@@ -0,0 +1,74 @@
+# SPDX-License-Identifier: GPL-2.0-or-later
+
+#
+# Copyright (C) 2020 Álvaro Fernández Rojas <noltari@gmail.com>
+# Copyright (C) 2014 Jonas Gorski <jogo@openwrt.org>
+# Copyright (C) 2011 OpenWrt.org
+# Copyright (C) 2011 Gabor Juhos <juhosg@openwrt.org>
+#
+
+include $(TOPDIR)/rules.mk
+
+LZMA_TEXT_START := 0x80a00000
+LOADER := loader.bin
+LOADER_NAME := $(basename $(notdir $(LOADER)))
+LOADER_DATA :=
+TARGET_DIR :=
+
+UART_BASE_3329 := 0xb0000100
+UART_BASE_3368 := 0xfff8c100
+UART_BASE_3380 := 0xb4e00200
+UART_BASE_3383 := 0xb4e00500
+UART_BASE_3384 := 0xb4e00500
+UART_BASE_6318 := 0xb0000100
+UART_BASE_6328 := 0xb0000100
+UART_BASE_6338 := 0xfffe0300
+UART_BASE_6345 := 0xfffe0300
+UART_BASE_6348 := 0xfffe0300
+UART_BASE_6358 := 0xfffe0100
+UART_BASE_6362 := 0xb0000100
+UART_BASE_6368 := 0xb0000100
+UART_BASE_63268 := 0xb0000180
+UART_BASE_6816 := 0xb0000100
+UART_BASE_6818 := 0xb0000100
+UART_BASE_6828 := 0xb0000180
+UART_BASE := $(if $(UART_BASE_$(CHIP_ID)),$(UART_BASE_$(CHIP_ID)),0)
+
+ifeq ($(TARGET_DIR),)
+TARGET_DIR := $(KDIR)
+endif
+
+LOADER_BIN := $(TARGET_DIR)/$(LOADER_NAME).bin
+LOADER_ELF := $(TARGET_DIR)/$(LOADER_NAME).elf
+
+PKG_NAME := lzma-loader
+PKG_BUILD_DIR := $(KDIR)/$(PKG_NAME)
+
+.PHONY : loader-compile loader.bin loader.elf
+
+$(PKG_BUILD_DIR)/.prepared:
+ mkdir $(PKG_BUILD_DIR)
+ $(CP) ./src/* $(PKG_BUILD_DIR)/
+ touch $@
+
+loader-compile: $(PKG_BUILD_DIR)/.prepared
+ $(MAKE) -C $(PKG_BUILD_DIR) CROSS_COMPILE="$(TARGET_CROSS)" \
+ LZMA_TEXT_START=$(LZMA_TEXT_START) \
+ LOADER_DATA=$(LOADER_DATA) \
+ UART_BASE=$(UART_BASE) \
+ clean all
+
+loader.elf: $(PKG_BUILD_DIR)/loader.elf
+ $(CP) $< $(LOADER_ELF)
+
+loader.bin: $(PKG_BUILD_DIR)/loader.bin
+ $(CP) $< $(LOADER_BIN)
+
+download:
+prepare: $(PKG_BUILD_DIR)/.prepared
+compile: loader-compile
+
+install:
+
+clean:
+ rm -rf $(PKG_BUILD_DIR)
diff --git a/target/linux/bmips/image/lzma-loader/src/LzmaDecode.c b/target/linux/bmips/image/lzma-loader/src/LzmaDecode.c
new file mode 100644
index 0000000000..cb8345377e
--- /dev/null
+++ b/target/linux/bmips/image/lzma-loader/src/LzmaDecode.c
@@ -0,0 +1,584 @@
+/*
+ LzmaDecode.c
+ LZMA Decoder (optimized for Speed version)
+
+ LZMA SDK 4.40 Copyright (c) 1999-2006 Igor Pavlov (2006-05-01)
+ http://www.7-zip.org/
+
+ LZMA SDK is licensed under two licenses:
+ 1) GNU Lesser General Public License (GNU LGPL)
+ 2) Common Public License (CPL)
+ It means that you can select one of these two licenses and
+ follow rules of that license.
+
+ SPECIAL EXCEPTION:
+ Igor Pavlov, as the author of this Code, expressly permits you to
+ statically or dynamically link your Code (or bind by name) to the
+ interfaces of this file without subjecting your linked Code to the
+ terms of the CPL or GNU LGPL. Any modifications or additions
+ to this file, however, are subject to the LGPL or CPL terms.
+*/
+
+#include "LzmaDecode.h"
+
+#define kNumTopBits 24
+#define kTopValue ((UInt32)1 << kNumTopBits)
+
+#define kNumBitModelTotalBits 11
+#define kBitModelTotal (1 << kNumBitModelTotalBits)
+#define kNumMoveBits 5
+
+#define RC_READ_BYTE (*Buffer++)
+
+#define RC_INIT2 Code = 0; Range = 0xFFFFFFFF; \
+ { int i; for(i = 0; i < 5; i++) { RC_TEST; Code = (Code << 8) | RC_READ_BYTE; }}
+
+#ifdef _LZMA_IN_CB
+
+#define RC_TEST { if (Buffer == BufferLim) \
+ { SizeT size; int result = InCallback->Read(InCallback, &Buffer, &size); if (result != LZMA_RESULT_OK) return result; \
+ BufferLim = Buffer + size; if (size == 0) return LZMA_RESULT_DATA_ERROR; }}
+
+#define RC_INIT Buffer = BufferLim = 0; RC_INIT2
+
+#else
+
+#define RC_TEST { if (Buffer == BufferLim) return LZMA_RESULT_DATA_ERROR; }
+
+#define RC_INIT(buffer, bufferSize) Buffer = buffer; BufferLim = buffer + bufferSize; RC_INIT2
+
+#endif
+
+#define RC_NORMALIZE if (Range < kTopValue) { RC_TEST; Range <<= 8; Code = (Code << 8) | RC_READ_BYTE; }
+
+#define IfBit0(p) RC_NORMALIZE; bound = (Range >> kNumBitModelTotalBits) * *(p); if (Code < bound)
+#define UpdateBit0(p) Range = bound; *(p) += (kBitModelTotal - *(p)) >> kNumMoveBits;
+#define UpdateBit1(p) Range -= bound; Code -= bound; *(p) -= (*(p)) >> kNumMoveBits;
+
+#define RC_GET_BIT2(p, mi, A0, A1) IfBit0(p) \
+ { UpdateBit0(p); mi <<= 1; A0; } else \
+ { UpdateBit1(p); mi = (mi + mi) + 1; A1; }
+
+#define RC_GET_BIT(p, mi) RC_GET_BIT2(p, mi, ; , ;)
+
+#define RangeDecoderBitTreeDecode(probs, numLevels, res) \
+ { int i = numLevels; res = 1; \
+ do { CProb *p = probs + res; RC_GET_BIT(p, res) } while(--i != 0); \
+ res -= (1 << numLevels); }
+
+
+#define kNumPosBitsMax 4
+#define kNumPosStatesMax (1 << kNumPosBitsMax)
+
+#define kLenNumLowBits 3
+#define kLenNumLowSymbols (1 << kLenNumLowBits)
+#define kLenNumMidBits 3
+#define kLenNumMidSymbols (1 << kLenNumMidBits)
+#define kLenNumHighBits 8
+#define kLenNumHighSymbols (1 << kLenNumHighBits)
+
+#define LenChoice 0
+#define LenChoice2 (LenChoice + 1)
+#define LenLow (LenChoice2 + 1)
+#define LenMid (LenLow + (kNumPosStatesMax << kLenNumLowBits))
+#define LenHigh (LenMid + (kNumPosStatesMax << kLenNumMidBits))
+#define kNumLenProbs (LenHigh + kLenNumHighSymbols)
+
+
+#define kNumStates 12
+#define kNumLitStates 7
+
+#define kStartPosModelIndex 4
+#define kEndPosModelIndex 14
+#define kNumFullDistances (1 << (kEndPosModelIndex >> 1))
+
+#define kNumPosSlotBits 6
+#define kNumLenToPosStates 4
+
+#define kNumAlignBits 4
+#define kAlignTableSize (1 << kNumAlignBits)
+
+#define kMatchMinLen 2
+
+#define IsMatch 0
+#define IsRep (IsMatch + (kNumStates << kNumPosBitsMax))
+#define IsRepG0 (IsRep + kNumStates)
+#define IsRepG1 (IsRepG0 + kNumStates)
+#define IsRepG2 (IsRepG1 + kNumStates)
+#define IsRep0Long (IsRepG2 + kNumStates)
+#define PosSlot (IsRep0Long + (kNumStates << kNumPosBitsMax))
+#define SpecPos (PosSlot + (kNumLenToPosStates << kNumPosSlotBits))
+#define Align (SpecPos + kNumFullDistances - kEndPosModelIndex)
+#define LenCoder (Align + kAlignTableSize)
+#define RepLenCoder (LenCoder + kNumLenProbs)
+#define Literal (RepLenCoder + kNumLenProbs)
+
+#if Literal != LZMA_BASE_SIZE
+StopCompilingDueBUG
+#endif
+
+int LzmaDecodeProperties(CLzmaProperties *propsRes, const unsigned char *propsData, int size)
+{
+ unsigned char prop0;
+ if (size < LZMA_PROPERTIES_SIZE)
+ return LZMA_RESULT_DATA_ERROR;
+ prop0 = propsData[0];
+ if (prop0 >= (9 * 5 * 5))
+ return LZMA_RESULT_DATA_ERROR;
+ {
+ for (propsRes->pb = 0; prop0 >= (9 * 5); propsRes->pb++, prop0 -= (9 * 5));
+ for (propsRes->lp = 0; prop0 >= 9; propsRes->lp++, prop0 -= 9);
+ propsRes->lc = prop0;
+ /*
+ unsigned char remainder = (unsigned char)(prop0 / 9);
+ propsRes->lc = prop0 % 9;
+ propsRes->pb = remainder / 5;
+ propsRes->lp = remainder % 5;
+ */
+ }
+
+ #ifdef _LZMA_OUT_READ
+ {
+ int i;
+ propsRes->DictionarySize = 0;
+ for (i = 0; i < 4; i++)
+ propsRes->DictionarySize += (UInt32)(propsData[1 + i]) << (i * 8);
+ if (propsRes->DictionarySize == 0)
+ propsRes->DictionarySize = 1;
+ }
+ #endif
+ return LZMA_RESULT_OK;
+}
+
+#define kLzmaStreamWasFinishedId (-1)
+
+int LzmaDecode(CLzmaDecoderState *vs,
+ #ifdef _LZMA_IN_CB
+ ILzmaInCallback *InCallback,
+ #else
+ const unsigned char *inStream, SizeT inSize, SizeT *inSizeProcessed,
+ #endif
+ unsigned char *outStream, SizeT outSize, SizeT *outSizeProcessed)
+{
+ CProb *p = vs->Probs;
+ SizeT nowPos = 0;
+ Byte previousByte = 0;
+ UInt32 posStateMask = (1 << (vs->Properties.pb)) - 1;
+ UInt32 literalPosMask = (1 << (vs->Properties.lp)) - 1;
+ int lc = vs->Properties.lc;
+
+ #ifdef _LZMA_OUT_READ
+
+ UInt32 Range = vs->Range;
+ UInt32 Code = vs->Code;
+ #ifdef _LZMA_IN_CB
+ const Byte *Buffer = vs->Buffer;
+ const Byte *BufferLim = vs->BufferLim;
+ #else
+ const Byte *Buffer = inStream;
+ const Byte *BufferLim = inStream + inSize;
+ #endif
+ int state = vs->State;
+ UInt32 rep0 = vs->Reps[0], rep1 = vs->Reps[1], rep2 = vs->Reps[2], rep3 = vs->Reps[3];
+ int len = vs->RemainLen;
+ UInt32 globalPos = vs->GlobalPos;
+ UInt32 distanceLimit = vs->DistanceLimit;
+
+ Byte *dictionary = vs->Dictionary;
+ UInt32 dictionarySize = vs->Properties.DictionarySize;
+ UInt32 dictionaryPos = vs->DictionaryPos;
+
+ Byte tempDictionary[4];
+
+ #ifndef _LZMA_IN_CB
+ *inSizeProcessed = 0;
+ #endif
+ *outSizeProcessed = 0;
+ if (len == kLzmaStreamWasFinishedId)
+ return LZMA_RESULT_OK;
+
+ if (dictionarySize == 0)
+ {
+ dictionary = tempDictionary;
+ dictionarySize = 1;
+ tempDictionary[0] = vs->TempDictionary[0];
+ }
+
+ if (len == kLzmaNeedInitId)
+ {
+ {
+ UInt32 numProbs = Literal + ((UInt32)LZMA_LIT_SIZE << (lc + vs->Properties.lp));
+ UInt32 i;
+ for (i = 0; i < numProbs; i++)
+ p[i] = kBitModelTotal >> 1;
+ rep0 = rep1 = rep2 = rep3 = 1;
+ state = 0;
+ globalPos = 0;
+ distanceLimit = 0;
+ dictionaryPos = 0;
+ dictionary[dictionarySize - 1] = 0;
+ #ifdef _LZMA_IN_CB
+ RC_INIT;
+ #else
+ RC_INIT(inStream, inSize);
+ #endif
+ }
+ len = 0;
+ }
+ while(len != 0 && nowPos < outSize)
+ {
+ UInt32 pos = dictionaryPos - rep0;
+ if (pos >= dictionarySize)
+ pos += dictionarySize;
+ outStream[nowPos++] = dictionary[dictionaryPos] = dictionary[pos];
+ if (++dictionaryPos == dictionarySize)
+ dictionaryPos = 0;
+ len--;
+ }
+ if (dictionaryPos == 0)
+ previousByte = dictionary[dictionarySize - 1];
+ else
+ previousByte = dictionary[dictionaryPos - 1];
+
+ #else /* if !_LZMA_OUT_READ */
+
+ int state = 0;
+ UInt32 rep0 = 1, rep1 = 1, rep2 = 1, rep3 = 1;
+ int len = 0;
+ const Byte *Buffer;
+ const Byte *BufferLim;
+ UInt32 Range;
+ UInt32 Code;
+
+ #ifndef _LZMA_IN_CB
+ *inSizeProcessed = 0;
+ #endif
+ *outSizeProcessed = 0;
+
+ {
+ UInt32 i;
+ UInt32 numProbs = Literal + ((UInt32)LZMA_LIT_SIZE << (lc + vs->Properties.lp));
+ for (i = 0; i < numProbs; i++)
+ p[i] = kBitModelTotal >> 1;
+ }
+
+ #ifdef _LZMA_IN_CB
+ RC_INIT;
+ #else
+ RC_INIT(inStream, inSize);
+ #endif
+
+ #endif /* _LZMA_OUT_READ */
+
+ while(nowPos < outSize)
+ {
+ CProb *prob;
+ UInt32 bound;
+ int posState = (int)(
+ (nowPos
+ #ifdef _LZMA_OUT_READ
+ + globalPos
+ #endif
+ )
+ & posStateMask);
+
+ prob = p + IsMatch + (state << kNumPosBitsMax) + posState;
+ IfBit0(prob)
+ {
+ int symbol = 1;
+ UpdateBit0(prob)
+ prob = p + Literal + (LZMA_LIT_SIZE *
+ (((
+ (nowPos
+ #ifdef _LZMA_OUT_READ
+ + globalPos
+ #endif
+ )
+ & literalPosMask) << lc) + (previousByte >> (8 - lc))));
+
+ if (state >= kNumLitStates)
+ {
+ int matchByte;
+ #ifdef _LZMA_OUT_READ
+ UInt32 pos = dictionaryPos - rep0;
+ if (pos >= dictionarySize)
+ pos += dictionarySize;
+ matchByte = dictionary[pos];
+ #else
+ matchByte = outStream[nowPos - rep0];
+ #endif
+ do
+ {
+ int bit;
+ CProb *probLit;
+ matchByte <<= 1;
+ bit = (matchByte & 0x100);
+ probLit = prob + 0x100 + bit + symbol;
+ RC_GET_BIT2(probLit, symbol, if (bit != 0) break, if (bit == 0) break)
+ }
+ while (symbol < 0x100);
+ }
+ while (symbol < 0x100)
+ {
+ CProb *probLit = prob + symbol;
+ RC_GET_BIT(probLit, symbol)
+ }
+ previousByte = (Byte)symbol;
+
+ outStream[nowPos++] = previousByte;
+ #ifdef _LZMA_OUT_READ
+ if (distanceLimit < dictionarySize)
+ distanceLimit++;
+
+ dictionary[dictionaryPos] = previousByte;
+ if (++dictionaryPos == dictionarySize)
+ dictionaryPos = 0;
+ #endif
+ if (state < 4) state = 0;
+ else if (state < 10) state -= 3;
+ else state -= 6;
+ }
+ else
+ {
+ UpdateBit1(prob);
+ prob = p + IsRep + state;
+ IfBit0(prob)
+ {
+ UpdateBit0(prob);
+ rep3 = rep2;
+ rep2 = rep1;
+ rep1 = rep0;
+ state = state < kNumLitStates ? 0 : 3;
+ prob = p + LenCoder;
+ }
+ else
+ {
+ UpdateBit1(prob);
+ prob = p + IsRepG0 + state;
+ IfBit0(prob)
+ {
+ UpdateBit0(prob);
+ prob = p + IsRep0Long + (state << kNumPosBitsMax) + posState;
+ IfBit0(prob)
+ {
+ #ifdef _LZMA_OUT_READ
+ UInt32 pos;
+ #endif
+ UpdateBit0(prob);
+
+ #ifdef _LZMA_OUT_READ
+ if (distanceLimit == 0)
+ #else
+ if (nowPos == 0)
+ #endif
+ return LZMA_RESULT_DATA_ERROR;
+
+ state = state < kNumLitStates ? 9 : 11;
+ #ifdef _LZMA_OUT_READ
+ pos = dictionaryPos - rep0;
+ if (pos >= dictionarySize)
+ pos += dictionarySize;
+ previousByte = dictionary[pos];
+ dictionary[dictionaryPos] = previousByte;
+ if (++dictionaryPos == dictionarySize)
+ dictionaryPos = 0;
+ #else
+ previousByte = outStream[nowPos - rep0];
+ #endif
+ outStream[nowPos++] = previousByte;
+ #ifdef _LZMA_OUT_READ
+ if (distanceLimit < dictionarySize)
+ distanceLimit++;
+ #endif
+
+ continue;
+ }
+ else
+ {
+ UpdateBit1(prob);
+ }
+ }
+ else
+ {
+ UInt32 distance;
+ UpdateBit1(prob);
+ prob = p + IsRepG1 + state;
+ IfBit0(prob)
+ {
+ UpdateBit0(prob);
+ distance = rep1;
+ }
+ else
+ {
+ UpdateBit1(prob);
+ prob = p + IsRepG2 + state;
+ IfBit0(prob)
+ {
+ UpdateBit0(prob);
+ distance = rep2;
+ }
+ else
+ {
+ UpdateBit1(prob);
+ distance = rep3;
+ rep3 = rep2;
+ }
+ rep2 = rep1;
+ }
+ rep1 = rep0;
+ rep0 = distance;
+ }
+ state = state < kNumLitStates ? 8 : 11;
+ prob = p + RepLenCoder;
+ }
+ {
+ int numBits, offset;
+ CProb *probLen = prob + LenChoice;
+ IfBit0(probLen)
+ {
+ UpdateBit0(probLen);
+ probLen = prob + LenLow + (posState << kLenNumLowBits);
+ offset = 0;
+ numBits = kLenNumLowBits;
+ }
+ else
+ {
+ UpdateBit1(probLen);
+ probLen = prob + LenChoice2;
+ IfBit0(probLen)
+ {
+ UpdateBit0(probLen);
+ probLen = prob + LenMid + (posState << kLenNumMidBits);
+ offset = kLenNumLowSymbols;
+ numBits = kLenNumMidBits;
+ }
+ else
+ {
+ UpdateBit1(probLen);
+ probLen = prob + LenHigh;
+ offset = kLenNumLowSymbols + kLenNumMidSymbols;
+ numBits = kLenNumHighBits;
+ }
+ }
+ RangeDecoderBitTreeDecode(probLen, numBits, len);
+ len += offset;
+ }
+
+ if (state < 4)
+ {
+ int posSlot;
+ state += kNumLitStates;
+ prob = p + PosSlot +
+ ((len < kNumLenToPosStates ? len : kNumLenToPosStates - 1) <<
+ kNumPosSlotBits);
+ RangeDecoderBitTreeDecode(prob, kNumPosSlotBits, posSlot);
+ if (posSlot >= kStartPosModelIndex)
+ {
+ int numDirectBits = ((posSlot >> 1) - 1);
+ rep0 = (2 | ((UInt32)posSlot & 1));
+ if (posSlot < kEndPosModelIndex)
+ {
+ rep0 <<= numDirectBits;
+ prob = p + SpecPos + rep0 - posSlot - 1;
+ }
+ else
+ {
+ numDirectBits -= kNumAlignBits;
+ do
+ {
+ RC_NORMALIZE
+ Range >>= 1;
+ rep0 <<= 1;
+ if (Code >= Range)
+ {
+ Code -= Range;
+ rep0 |= 1;
+ }
+ }
+ while (--numDirectBits != 0);
+ prob = p + Align;
+ rep0 <<= kNumAlignBits;
+ numDirectBits = kNumAlignBits;
+ }
+ {
+ int i = 1;
+ int mi = 1;
+ do
+ {
+ CProb *prob3 = prob + mi;
+ RC_GET_BIT2(prob3, mi, ; , rep0 |= i);
+ i <<= 1;
+ }
+ while(--numDirectBits != 0);
+ }
+ }
+ else
+ rep0 = posSlot;
+ if (++rep0 == (UInt32)(0))
+ {
+ /* it's for stream version */
+ len = kLzmaStreamWasFinishedId;
+ break;
+ }
+ }
+
+ len += kMatchMinLen;
+ #ifdef _LZMA_OUT_READ
+ if (rep0 > distanceLimit)
+ #else
+ if (rep0 > nowPos)
+ #endif
+ return LZMA_RESULT_DATA_ERROR;
+
+ #ifdef _LZMA_OUT_READ
+ if (dictionarySize - distanceLimit > (UInt32)len)
+ distanceLimit += len;
+ else
+ distanceLimit = dictionarySize;
+ #endif
+
+ do
+ {
+ #ifdef _LZMA_OUT_READ
+ UInt32 pos = dictionaryPos - rep0;
+ if (pos >= dictionarySize)
+ pos += dictionarySize;
+ previousByte = dictionary[pos];
+ dictionary[dictionaryPos] = previousByte;
+ if (++dictionaryPos == dictionarySize)
+ dictionaryPos = 0;
+ #else
+ previousByte = outStream[nowPos - rep0];
+ #endif
+ len--;
+ outStream[nowPos++] = previousByte;
+ }
+ while(len != 0 && nowPos < outSize);
+ }
+ }
+ RC_NORMALIZE;
+
+ #ifdef _LZMA_OUT_READ
+ vs->Range = Range;
+ vs->Code = Code;
+ vs->DictionaryPos = dictionaryPos;
+ vs->GlobalPos = globalPos + (UInt32)nowPos;
+ vs->DistanceLimit = distanceLimit;
+ vs->Reps[0] = rep0;
+ vs->Reps[1] = rep1;
+ vs->Reps[2] = rep2;
+ vs->Reps[3] = rep3;
+ vs->State = state;
+ vs->RemainLen = len;
+ vs->TempDictionary[0] = tempDictionary[0];
+ #endif
+
+ #ifdef _LZMA_IN_CB
+ vs->Buffer = Buffer;
+ vs->BufferLim = BufferLim;
+ #else
+ *inSizeProcessed = (SizeT)(Buffer - inStream);
+ #endif
+ *outSizeProcessed = nowPos;
+ return LZMA_RESULT_OK;
+}
diff --git a/target/linux/bmips/image/lzma-loader/src/LzmaDecode.h b/target/linux/bmips/image/lzma-loader/src/LzmaDecode.h
new file mode 100644
index 0000000000..2870eeb9c9
--- /dev/null
+++ b/target/linux/bmips/image/lzma-loader/src/LzmaDecode.h
@@ -0,0 +1,113 @@
+/*
+ LzmaDecode.h
+ LZMA Decoder interface
+
+ LZMA SDK 4.40 Copyright (c) 1999-2006 Igor Pavlov (2006-05-01)
+ http://www.7-zip.org/
+
+ LZMA SDK is licensed under two licenses:
+ 1) GNU Lesser General Public License (GNU LGPL)
+ 2) Common Public License (CPL)
+ It means that you can select one of these two licenses and
+ follow rules of that license.
+
+ SPECIAL EXCEPTION:
+ Igor Pavlov, as the author of this code, expressly permits you to
+ statically or dynamically link your code (or bind by name) to the
+ interfaces of this file without subjecting your linked code to the
+ terms of the CPL or GNU LGPL. Any modifications or additions
+ to this file, however, are subject to the LGPL or CPL terms.
+*/
+
+#ifndef __LZMADECODE_H
+#define __LZMADECODE_H
+
+#include "LzmaTypes.h"
+
+/* #define _LZMA_IN_CB */
+/* Use callback for input data */
+
+/* #define _LZMA_OUT_READ */
+/* Use read function for output data */
+
+/* #define _LZMA_PROB32 */
+/* It can increase speed on some 32-bit CPUs,
+ but memory usage will be doubled in that case */
+
+/* #define _LZMA_LOC_OPT */
+/* Enable local speed optimizations inside code */
+
+#ifdef _LZMA_PROB32
+#define CProb UInt32
+#else
+#define CProb UInt16
+#endif
+
+#define LZMA_RESULT_OK 0
+#define LZMA_RESULT_DATA_ERROR 1
+
+#ifdef _LZMA_IN_CB
+typedef struct _ILzmaInCallback
+{
+ int (*Read)(void *object, const unsigned char **buffer, SizeT *bufferSize);
+} ILzmaInCallback;
+#endif
+
+#define LZMA_BASE_SIZE 1846
+#define LZMA_LIT_SIZE 768
+
+#define LZMA_PROPERTIES_SIZE 5
+
+typedef struct _CLzmaProperties
+{
+ int lc;
+ int lp;
+ int pb;
+ #ifdef _LZMA_OUT_READ
+ UInt32 DictionarySize;
+ #endif
+}CLzmaProperties;
+
+int LzmaDecodeProperties(CLzmaProperties *propsRes, const unsigned char *propsData, int size);
+
+#define LzmaGetNumProbs(Properties) (LZMA_BASE_SIZE + (LZMA_LIT_SIZE << ((Properties)->lc + (Properties)->lp)))
+
+#define kLzmaNeedInitId (-2)
+
+typedef struct _CLzmaDecoderState
+{
+ CLzmaProperties Properties;
+ CProb *Probs;
+
+ #ifdef _LZMA_IN_CB
+ const unsigned char *Buffer;
+ const unsigned char *BufferLim;
+ #endif
+
+ #ifdef _LZMA_OUT_READ
+ unsigned char *Dictionary;
+ UInt32 Range;
+ UInt32 Code;
+ UInt32 DictionaryPos;
+ UInt32 GlobalPos;
+ UInt32 DistanceLimit;
+ UInt32 Reps[4];
+ int State;
+ int RemainLen;
+ unsigned char TempDictionary[4];
+ #endif
+} CLzmaDecoderState;
+
+#ifdef _LZMA_OUT_READ
+#define LzmaDecoderInit(vs) { (vs)->RemainLen = kLzmaNeedInitId; }
+#endif
+
+int LzmaDecode(CLzmaDecoderState *vs,
+ #ifdef _LZMA_IN_CB
+ ILzmaInCallback *inCallback,
+ #else
+ const unsigned char *inStream, SizeT inSize, SizeT *inSizeProcessed,
+ #endif
+ unsigned char *outStream, SizeT outSize, SizeT *outSizeProcessed);
+
+#endif
diff --git a/target/linux/bmips/image/lzma-loader/src/LzmaTypes.h b/target/linux/bmips/image/lzma-loader/src/LzmaTypes.h
new file mode 100644
index 0000000000..9c27290757
--- /dev/null
+++ b/target/linux/bmips/image/lzma-loader/src/LzmaTypes.h
@@ -0,0 +1,45 @@
+/*
+LzmaTypes.h
+
+Types for LZMA Decoder
+
+This file written and distributed to public domain by Igor Pavlov.
+This file is part of LZMA SDK 4.40 (2006-05-01)
+*/
+
+#ifndef __LZMATYPES_H
+#define __LZMATYPES_H
+
+#ifndef _7ZIP_BYTE_DEFINED
+#define _7ZIP_BYTE_DEFINED
+typedef unsigned char Byte;
+#endif
+
+#ifndef _7ZIP_UINT16_DEFINED
+#define _7ZIP_UINT16_DEFINED
+typedef unsigned short UInt16;
+#endif
+
+#ifndef _7ZIP_UINT32_DEFINED
+#define _7ZIP_UINT32_DEFINED
+#ifdef _LZMA_UINT32_IS_ULONG
+typedef unsigned long UInt32;
+#else
+typedef unsigned int UInt32;
+#endif
+#endif
+
+/* #define _LZMA_NO_SYSTEM_SIZE_T */
+/* You can use it, if you don't want <stddef.h> */
+
+#ifndef _7ZIP_SIZET_DEFINED
+#define _7ZIP_SIZET_DEFINED
+#ifdef _LZMA_NO_SYSTEM_SIZE_T
+typedef UInt32 SizeT;
+#else
+#include <stddef.h>
+typedef size_t SizeT;
+#endif
+#endif
+
+#endif
diff --git a/target/linux/bmips/image/lzma-loader/src/Makefile b/target/linux/bmips/image/lzma-loader/src/Makefile
new file mode 100644
index 0000000000..2e78e8c246
--- /dev/null
+++ b/target/linux/bmips/image/lzma-loader/src/Makefile
@@ -0,0 +1,85 @@
+# SPDX-License-Identifier: GPL-2.0-or-later
+
+#
+# Makefile for the LZMA compressed kernel loader for BMIPS based boards
+#
+# Copyright (C) 2020 Álvaro Fernández Rojas <noltari@gmail.com>
+# Copyright (C) 2014 Jonas Gorski <jogo@openwrt.org>
+# Copyright (C) 2011 Gabor Juhos <juhosg@openwrt.org>
+#
+# Some parts of this file was based on the OpenWrt specific lzma-loader
+# for the BCM47xx and ADM5120 based boards:
+# Copyright (C) 2004 Manuel Novoa III (mjn3@codepoet.org)
+# Copyright (C) 2005 Mineharu Takahara <mtakahar@yahoo.com>
+# Copyright (C) 2005 by Oleg I. Vdovikin <oleg@cs.msu.su>
+#
+
+LOADER_ADDR :=
+KERNEL_ADDR :=
+LZMA_TEXT_START := 0x80a00000
+LOADER_DATA :=
+
+CC := $(CROSS_COMPILE)gcc
+LD := $(CROSS_COMPILE)ld
+OBJCOPY := $(CROSS_COMPILE)objcopy
+OBJDUMP := $(CROSS_COMPILE)objdump
+
+BIN_FLAGS := -O binary -R .reginfo -R .note -R .comment -R .mdebug \
+ -R .MIPS.abiflags -S
+
+CFLAGS = -D__KERNEL__ -Wall -Wstrict-prototypes -Wno-trigraphs -Os \
+ -fno-strict-aliasing -fno-common -fomit-frame-pointer -G 0 \
+ -mno-abicalls -fno-pic -ffunction-sections -pipe \
+ -ffreestanding -fhonour-copts \
+ -mabi=32 -march=mips32 \
+ -Wa,-32 -Wa,-march=mips32 -Wa,-mips32 -Wa,--trap
+CFLAGS += -D_LZMA_PROB32
+CFLAGS += -DUART_BASE=$(UART_BASE)
+
+ASFLAGS = $(CFLAGS) -D__ASSEMBLY__
+
+LDFLAGS = -static --gc-sections -no-warn-mismatch
+LDFLAGS += -e startup -T loader.lds -Ttext $(LZMA_TEXT_START)
+
+O_FORMAT = $(shell $(OBJDUMP) -i | head -2 | grep elf32)
+
+OBJECTS := head.o loader.o cache.o board.o printf.o LzmaDecode.o
+
+ifneq ($(strip $(LOADER_DATA)),)
+OBJECTS += data.o
+CFLAGS += -DLZMA_WRAPPER=1 -DLOADADDR=$(KERNEL_ADDR)
+endif
+
+
+all: loader.elf
+
+# Don't build dependencies, this may die if $(CC) isn't gcc
+dep:
+
+install:
+
+%.o : %.c
+ $(CC) $(CFLAGS) -c -o $@ $<
+
+%.o : %.S
+ $(CC) $(ASFLAGS) -c -o $@ $<
+
+data.o: $(LOADER_DATA)
+ $(LD) -r -b binary --oformat $(O_FORMAT) -T lzma-data.lds -o $@ $<
+
+loader: $(OBJECTS)
+ $(LD) $(LDFLAGS) -o $@ $(OBJECTS)
+
+loader.bin: loader
+ $(OBJCOPY) $(BIN_FLAGS) $< $@
+
+loader2.o: loader.bin
+ $(LD) -r -b binary --oformat $(O_FORMAT) -o $@ $<
+
+loader.elf: loader2.o
+ $(LD) -e startup -T loader2.lds -Ttext $(LOADER_ADDR) -o $@ $<
+
+mrproper: clean
+
+clean:
+ rm -f loader *.elf *.bin *.o
diff --git a/target/linux/bmips/image/lzma-loader/src/board.c b/target/linux/bmips/image/lzma-loader/src/board.c
new file mode 100644
index 0000000000..8319cf1579
--- /dev/null
+++ b/target/linux/bmips/image/lzma-loader/src/board.c
@@ -0,0 +1,37 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * BCM63XX specific implementation parts
+ *
+ * Copyright (C) 2020 Álvaro Fernández Rojas <noltari@gmail.com>
+ * Copyright (C) 2014 Jonas Gorski <jogo@openwrt.org>
+ */
+
+#include <stddef.h>
+#include "config.h"
+
+#define READREG(r) *(volatile unsigned int *)(r)
+#define WRITEREG(r,v) *(volatile unsigned int *)(r) = v
+
+#define UART_IR_REG 0x10
+#define UART_FIFO_REG 0x14
+
+static void wait_xfered(void)
+{
+ unsigned int val;
+
+ do {
+ val = READREG(UART_BASE + UART_IR_REG);
+ if (val & (1 << 5))
+ break;
+ } while (1);
+}
+
+void board_putc(int ch)
+{
+ if (!UART_BASE)
+ return;
+
+ wait_xfered();
+ WRITEREG(UART_BASE + UART_FIFO_REG, ch);
+ wait_xfered();
+}
diff --git a/target/linux/bmips/image/lzma-loader/src/cache.c b/target/linux/bmips/image/lzma-loader/src/cache.c
new file mode 100644
index 0000000000..2c79c34a42
--- /dev/null
+++ b/target/linux/bmips/image/lzma-loader/src/cache.c
@@ -0,0 +1,42 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * LZMA compressed kernel loader for Atheros AR7XXX/AR9XXX based boards
+ *
+ * Copyright (C) 2011 Gabor Juhos <juhosg@openwrt.org>
+ *
+ * The cache manipulation routine has been taken from the U-Boot project.
+ * (C) Copyright 2003
+ * Wolfgang Denk, DENX Software Engineering, <wd@denx.de>
+ */
+
+#include "cache.h"
+#include "cacheops.h"
+#include "config.h"
+#include "printf.h"
+
+#define cache_op(op,addr) \
+ __asm__ __volatile__( \
+ " .set push \n" \
+ " .set noreorder \n" \
+ " .set mips3\n\t \n" \
+ " cache %0, %1 \n" \
+ " .set pop \n" \
+ : \
+ : "i" (op), "R" (*(unsigned char *)(addr)))
+
+void flush_cache(unsigned long start_addr, unsigned long size)
+{
+ unsigned long lsize = CONFIG_CACHELINE_SIZE;
+ unsigned long addr = start_addr & ~(lsize - 1);
+ unsigned long aend = (start_addr + size + (lsize - 1)) & ~(lsize - 1);
+
+ printf("blasting from 0x%08x to 0x%08x (0x%08x - 0x%08x)\n", start_addr, size, addr, aend);
+
+ while (1) {
+ cache_op(Hit_Writeback_Inv_D, addr);
+ cache_op(Hit_Invalidate_I, addr);
+ if (addr == aend)
+ break;
+ addr += lsize;
+ }
+}
diff --git a/target/linux/bmips/image/lzma-loader/src/cache.h b/target/linux/bmips/image/lzma-loader/src/cache.h
new file mode 100644
index 0000000000..831ac7b552
--- /dev/null
+++ b/target/linux/bmips/image/lzma-loader/src/cache.h
@@ -0,0 +1,13 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * LZMA compressed kernel loader for Atheros AR7XXX/AR9XXX based boards
+ *
+ * Copyright (C) 2011 Gabor Juhos <juhosg@openwrt.org>
+ */
+
+#ifndef __CACHE_H
+#define __CACHE_H
+
+void flush_cache(unsigned long start_addr, unsigned long size);
+
+#endif /* __CACHE_H */
diff --git a/target/linux/bmips/image/lzma-loader/src/cacheops.h b/target/linux/bmips/image/lzma-loader/src/cacheops.h
new file mode 100644
index 0000000000..2a4f90c913
--- /dev/null
+++ b/target/linux/bmips/image/lzma-loader/src/cacheops.h
@@ -0,0 +1,82 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Cache operations for the cache instruction.
+ *
+ * (C) Copyright 1996, 97, 99, 2002, 03 Ralf Baechle
+ * (C) Copyright 1999 Silicon Graphics, Inc.
+ */
+#ifndef __ASM_CACHEOPS_H
+#define __ASM_CACHEOPS_H
+
+/*
+ * Cache Operations available on all MIPS processors with R4000-style caches
+ */
+#define Index_Invalidate_I 0x00
+#define Index_Writeback_Inv_D 0x01
+#define Index_Load_Tag_I 0x04
+#define Index_Load_Tag_D 0x05
+#define Index_Store_Tag_I 0x08
+#define Index_Store_Tag_D 0x09
+#if defined(CONFIG_CPU_LOONGSON2)
+#define Hit_Invalidate_I 0x00
+#else
+#define Hit_Invalidate_I 0x10
+#endif
+#define Hit_Invalidate_D 0x11
+#define Hit_Writeback_Inv_D 0x15
+
+/*
+ * R4000-specific cacheops
+ */
+#define Create_Dirty_Excl_D 0x0d
+#define Fill 0x14
+#define Hit_Writeback_I 0x18
+#define Hit_Writeback_D 0x19
+
+/*
+ * R4000SC and R4400SC-specific cacheops
+ */
+#define Index_Invalidate_SI 0x02
+#define Index_Writeback_Inv_SD 0x03
+#define Index_Load_Tag_SI 0x06
+#define Index_Load_Tag_SD 0x07
+#define Index_Store_Tag_SI 0x0A
+#define Index_Store_Tag_SD 0x0B
+#define Create_Dirty_Excl_SD 0x0f
+#define Hit_Invalidate_SI 0x12
+#define Hit_Invalidate_SD 0x13
+#define Hit_Writeback_Inv_SD 0x17
+#define Hit_Writeback_SD 0x1b
+#define Hit_Set_Virtual_SI 0x1e
+#define Hit_Set_Virtual_SD 0x1f
+
+/*
+ * R5000-specific cacheops
+ */
+#define R5K_Page_Invalidate_S 0x17
+
+/*
+ * RM7000-specific cacheops
+ */
+#define Page_Invalidate_T 0x16
+
+/*
+ * R10000-specific cacheops
+ *
+ * Cacheops 0x02, 0x06, 0x0a, 0x0c-0x0e, 0x16, 0x1a and 0x1e are unused.
+ * Most of the _S cacheops are identical to the R4000SC _SD cacheops.
+ */
+#define Index_Writeback_Inv_S 0x03
+#define Index_Load_Tag_S 0x07
+#define Index_Store_Tag_S 0x0B
+#define Hit_Invalidate_S 0x13
+#define Cache_Barrier 0x14
+#define Hit_Writeback_Inv_S 0x17
+#define Index_Load_Data_I 0x18
+#define Index_Load_Data_D 0x19
+#define Index_Load_Data_S 0x1b
+#define Index_Store_Data_I 0x1c
+#define Index_Store_Data_D 0x1d
+#define Index_Store_Data_S 0x1f
+
+#endif /* __ASM_CACHEOPS_H */
diff --git a/target/linux/bmips/image/lzma-loader/src/config.h b/target/linux/bmips/image/lzma-loader/src/config.h
new file mode 100644
index 0000000000..5c8a90310c
--- /dev/null
+++ b/target/linux/bmips/image/lzma-loader/src/config.h
@@ -0,0 +1,15 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * LZMA compressed kernel loader for Atheros AR7XXX/AR9XXX based boards
+ *
+ * Copyright (C) 2011 Gabor Juhos <juhosg@openwrt.org>
+ */
+
+#ifndef _CONFIG_H_
+#define _CONFIG_H_
+
+#define CONFIG_ICACHE_SIZE (32 * 1024)
+#define CONFIG_DCACHE_SIZE (32 * 1024)
+#define CONFIG_CACHELINE_SIZE 16
+
+#endif /* _CONFIG_H_ */
diff --git a/target/linux/bmips/image/lzma-loader/src/cp0regdef.h b/target/linux/bmips/image/lzma-loader/src/cp0regdef.h
new file mode 100644
index 0000000000..ebab9d02b1
--- /dev/null
+++ b/target/linux/bmips/image/lzma-loader/src/cp0regdef.h
@@ -0,0 +1,55 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Copyright (C) 1994, 1995, 1996, 1997, 2000, 2001 by Ralf Baechle
+ *
+ * Copyright (C) 2001, Monta Vista Software
+ * Author: jsun@mvista.com or jsun@junsun.net
+ */
+#ifndef _cp0regdef_h_
+#define _cp0regdef_h_
+
+#define CP0_INDEX $0
+#define CP0_RANDOM $1
+#define CP0_ENTRYLO0 $2
+#define CP0_ENTRYLO1 $3
+#define CP0_CONTEXT $4
+#define CP0_PAGEMASK $5
+#define CP0_WIRED $6
+#define CP0_BADVADDR $8
+#define CP0_COUNT $9
+#define CP0_ENTRYHI $10
+#define CP0_COMPARE $11
+#define CP0_STATUS $12
+#define CP0_CAUSE $13
+#define CP0_EPC $14
+#define CP0_PRID $15
+#define CP0_CONFIG $16
+#define CP0_LLADDR $17
+#define CP0_WATCHLO $18
+#define CP0_WATCHHI $19
+#define CP0_XCONTEXT $20
+#define CP0_FRAMEMASK $21
+#define CP0_DIAGNOSTIC $22
+#define CP0_PERFORMANCE $25
+#define CP0_ECC $26
+#define CP0_CACHEERR $27
+#define CP0_TAGLO $28
+#define CP0_TAGHI $29
+#define CP0_ERROREPC $30
+
+#define read_32bit_c0_register(reg,sel) \
+({ int __res; \
+ if (sel == 0) \
+ __asm__ __volatile__( \
+ "mfc0\t%0, " #reg "\n\t" \
+ : "=r" (__res)); \
+ else \
+ __asm__ __volatile__( \
+ ".set\tmips32\n\t" \
+ "mfc0\t%0, " #reg ", " #sel "\n\t" \
+ ".set mips0\n\t" \
+ : "=r" (__res)); \
+ __res; \
+})
+
+#endif
diff --git a/target/linux/bmips/image/lzma-loader/src/head.S b/target/linux/bmips/image/lzma-loader/src/head.S
new file mode 100644
index 0000000000..7977e0b53f
--- /dev/null
+++ b/target/linux/bmips/image/lzma-loader/src/head.S
@@ -0,0 +1,118 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * LZMA compressed kernel loader for Atheros AR7XXX/AR9XXX based boards
+ *
+ * Copyright (C) 2011 Gabor Juhos <juhosg@openwrt.org>
+ *
+ * Some parts of this code was based on the OpenWrt specific lzma-loader
+ * for the BCM47xx and ADM5120 based boards:
+ * Copyright (C) 2004 Manuel Novoa III (mjn3@codepoet.org)
+ * Copyright (C) 2005 by Oleg I. Vdovikin <oleg@cs.msu.su>
+ */
+
+#include <asm/asm.h>
+#include <asm/regdef.h>
+#include "cp0regdef.h"
+#include "cacheops.h"
+#include "config.h"
+
+#define KSEG0 0x80000000
+
+ .macro ehb
+ sll zero, 3
+ .endm
+
+ .text
+
+LEAF(startup)
+ .set noreorder
+ .set mips32
+
+ mtc0 zero, CP0_WATCHLO # clear watch registers
+ mtc0 zero, CP0_WATCHHI
+ mtc0 zero, CP0_CAUSE # clear before writing status register
+
+ mfc0 t0, CP0_STATUS
+ li t1, 0x1000001f
+ or t0, t1
+ xori t0, 0x1f
+ mtc0 t0, CP0_STATUS
+ ehb
+
+ mtc0 zero, CP0_COUNT
+ mtc0 zero, CP0_COMPARE
+ ehb
+
+ la t0, __reloc_label # get linked address of label
+ bal __reloc_label # branch and link to label to
+ nop # get actual address
+__reloc_label:
+ subu t0, ra, t0 # get reloc_delta
+
+ beqz t0, __reloc_done # if delta is 0 we are in the right place
+ nop
+
+ /* Copy our code to the right place */
+ la t1, _code_start # get linked address of _code_start
+ la t2, _code_end # get linked address of _code_end
+ addu t0, t0, t1 # calculate actual address of _code_start
+
+__reloc_copy:
+ lw t3, 0(t0)
+ sw t3, 0(t1)
+ add t1, 4
+ blt t1, t2, __reloc_copy
+ add t0, 4
+
+ /* flush cache */
+ la t0, _code_start
+ la t1, _code_end
+
+ li t2, ~(CONFIG_CACHELINE_SIZE - 1)
+ and t0, t2
+ and t1, t2
+ li t2, CONFIG_CACHELINE_SIZE
+
+ b __flush_check
+ nop
+
+__flush_line:
+ cache Hit_Writeback_Inv_D, 0(t0)
+ cache Hit_Invalidate_I, 0(t0)
+ add t0, t2
+
+__flush_check:
+ bne t0, t1, __flush_line
+ nop
+
+ sync
+
+__reloc_done:
+
+ /* clear bss */
+ la t0, _bss_start
+ la t1, _bss_end
+ b __bss_check
+ nop
+
+__bss_fill:
+ sw zero, 0(t0)
+ addi t0, 4
+
+__bss_check:
+ bne t0, t1, __bss_fill
+ nop
+
+ /* Setup new "C" stack */
+ la sp, _stack
+
+ /* reserve stack space for a0-a3 registers */
+ subu sp, 16
+
+ /* jump to the decompressor routine */
+ la t0, loader_main
+ jr t0
+ nop
+
+ .set reorder
+END(startup)
diff --git a/target/linux/bmips/image/lzma-loader/src/loader.c b/target/linux/bmips/image/lzma-loader/src/loader.c
new file mode 100644
index 0000000000..8e0a48ecee
--- /dev/null
+++ b/target/linux/bmips/image/lzma-loader/src/loader.c
@@ -0,0 +1,169 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * LZMA compressed kernel loader for Atheros AR7XXX/AR9XXX based boards
+ *
+ * Copyright (C) 2011 Gabor Juhos <juhosg@openwrt.org>
+ *
+ * Some parts of this code was based on the OpenWrt specific lzma-loader
+ * for the BCM47xx and ADM5120 based boards:
+ * Copyright (C) 2004 Manuel Novoa III (mjn3@codepoet.org)
+ * Copyright (C) 2005 Mineharu Takahara <mtakahar@yahoo.com>
+ * Copyright (C) 2005 by Oleg I. Vdovikin <oleg@cs.msu.su>
+ *
+ * The image_header structure has been taken from the U-Boot project.
+ * (C) Copyright 2008 Semihalf
+ * (C) Copyright 2000-2005
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ */
+
+#include <stddef.h>
+#include <stdint.h>
+
+#include "config.h"
+#include "cache.h"
+#include "printf.h"
+#include "LzmaDecode.h"
+
+#define KSEG0 0x80000000
+#define KSEG1 0xa0000000
+
+#define KSEG1ADDR(a) ((((unsigned)(a)) & 0x1fffffffU) | KSEG1)
+
+#undef LZMA_DEBUG
+
+#ifdef LZMA_DEBUG
+# define DBG(f, a...) printf(f, ## a)
+#else
+# define DBG(f, a...) do {} while (0)
+#endif
+
+/* beyond the image end, size not known in advance */
+extern unsigned char workspace[];
+
+
+static CLzmaDecoderState lzma_state;
+static unsigned char *lzma_data;
+static unsigned long lzma_datasize;
+static unsigned long lzma_outsize;
+static unsigned long kernel_la;
+
+static void halt(void)
+{
+ printf("\nSystem halted!\n");
+ for(;;);
+}
+
+static __inline__ unsigned char lzma_get_byte(void)
+{
+ unsigned char c;
+
+ lzma_datasize--;
+ c = *lzma_data++;
+
+ return c;
+}
+
+static int lzma_init_props(void)
+{
+ unsigned char props[LZMA_PROPERTIES_SIZE];
+ int res;
+ int i;
+
+ /* read lzma properties */
+ for (i = 0; i < LZMA_PROPERTIES_SIZE; i++)
+ props[i] = lzma_get_byte();
+
+ /* read the lower half of uncompressed size in the header */
+ lzma_outsize = ((SizeT) lzma_get_byte()) +
+ ((SizeT) lzma_get_byte() << 8) +
+ ((SizeT) lzma_get_byte() << 16) +
+ ((SizeT) lzma_get_byte() << 24);
+
+ /* skip rest of the header (upper half of uncompressed size) */
+ for (i = 0; i < 4; i++)
+ lzma_get_byte();
+
+ res = LzmaDecodeProperties(&lzma_state.Properties, props,
+ LZMA_PROPERTIES_SIZE);
+ return res;
+}
+
+static int lzma_decompress(unsigned char *outStream)
+{
+ SizeT ip, op;
+ int ret;
+
+ lzma_state.Probs = (CProb *) workspace;
+
+ ret = LzmaDecode(&lzma_state, lzma_data, lzma_datasize, &ip, outStream,
+ lzma_outsize, &op);
+
+ if (ret != LZMA_RESULT_OK) {
+ int i;
+
+ DBG("LzmaDecode error %d at %08x, osize:%d ip:%d op:%d\n",
+ ret, lzma_data + ip, lzma_outsize, ip, op);
+
+ for (i = 0; i < 16; i++)
+ DBG("%02x ", lzma_data[ip + i]);
+
+ DBG("\n");
+ }
+
+ return ret;
+}
+
+static void lzma_init_data(void)
+{
+ extern unsigned char _lzma_data_start[];
+ extern unsigned char _lzma_data_end[];
+
+ kernel_la = LOADADDR;
+ lzma_data = _lzma_data_start;
+ lzma_datasize = _lzma_data_end - _lzma_data_start;
+}
+
+void loader_main(unsigned long reg_a0, unsigned long reg_a1,
+ unsigned long reg_a2, unsigned long reg_a3)
+{
+ void (*kernel_entry) (unsigned long, unsigned long, unsigned long,
+ unsigned long);
+ int res;
+
+ printf("\n\nOpenWrt kernel loader for BMIPS\n");
+ printf("Copyright (C) 2011 Gabor Juhos <juhosg@openwrt.org>\n");
+ printf("Copyright (C) 2014 Jonas Gorski <jogo@openwrt.org>\n");
+ printf("Copyright (C) 2020 Alvaro Fernandez Rojas <noltari@gmail.com>\n");
+
+ lzma_init_data();
+
+ res = lzma_init_props();
+ if (res != LZMA_RESULT_OK) {
+ printf("Incorrect LZMA stream properties!\n");
+ halt();
+ }
+
+ printf("Decompressing kernel... ");
+
+ res = lzma_decompress((unsigned char *) kernel_la);
+ if (res != LZMA_RESULT_OK) {
+ printf("failed, ");
+ switch (res) {
+ case LZMA_RESULT_DATA_ERROR:
+ printf("data error!\n");
+ break;
+ default:
+ printf("unknown error %d!\n", res);
+ }
+ halt();
+ } else {
+ printf("done!\n");
+ }
+
+ flush_cache(kernel_la, lzma_outsize);
+
+ printf("Starting kernel at %08x...\n\n", kernel_la);
+
+ kernel_entry = (void *) kernel_la;
+ kernel_entry(reg_a0, reg_a1, reg_a2, reg_a3);
+}
diff --git a/target/linux/bmips/image/lzma-loader/src/loader.lds b/target/linux/bmips/image/lzma-loader/src/loader.lds
new file mode 100644
index 0000000000..bd444acf13
--- /dev/null
+++ b/target/linux/bmips/image/lzma-loader/src/loader.lds
@@ -0,0 +1,36 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
+OUTPUT_ARCH(mips)
+SECTIONS {
+ .text : {
+ _code_start = .;
+ *(.text)
+ *(.text.*)
+ *(.rodata)
+ *(.rodata.*)
+ *(.data.lzma)
+ }
+
+ . = ALIGN(32);
+ .data : {
+ *(.data)
+ *(.data.*)
+ }
+
+ . = ALIGN(32);
+ _code_end = .;
+
+ _bss_start = .;
+ .bss : {
+ *(.bss)
+ *(.bss.*)
+ }
+
+ . = ALIGN(32);
+ _bss_end = .;
+
+ . = . + 8192;
+ _stack = .;
+
+ workspace = .;
+}
diff --git a/target/linux/bmips/image/lzma-loader/src/loader2.lds b/target/linux/bmips/image/lzma-loader/src/loader2.lds
new file mode 100644
index 0000000000..d17bb2132e
--- /dev/null
+++ b/target/linux/bmips/image/lzma-loader/src/loader2.lds
@@ -0,0 +1,12 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
+OUTPUT_ARCH(mips)
+SECTIONS {
+ .text : {
+ startup = .;
+ *(.text)
+ *(.text.*)
+ *(.data)
+ *(.data.*)
+ }
+}
diff --git a/target/linux/bmips/image/lzma-loader/src/lzma-data.lds b/target/linux/bmips/image/lzma-loader/src/lzma-data.lds
new file mode 100644
index 0000000000..83a1d5886a
--- /dev/null
+++ b/target/linux/bmips/image/lzma-loader/src/lzma-data.lds
@@ -0,0 +1,10 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
+OUTPUT_ARCH(mips)
+SECTIONS {
+ .data.lzma : {
+ _lzma_data_start = .;
+ *(.data)
+ _lzma_data_end = .;
+ }
+}
diff --git a/target/linux/bmips/image/lzma-loader/src/printf.c b/target/linux/bmips/image/lzma-loader/src/printf.c
new file mode 100644
index 0000000000..15ee1790fb
--- /dev/null
+++ b/target/linux/bmips/image/lzma-loader/src/printf.c
@@ -0,0 +1,345 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Copyright (C) 2001 MontaVista Software Inc.
+ * Author: Jun Sun, jsun@mvista.com or jsun@junsun.net
+ */
+
+#include "printf.h"
+
+extern void board_putc(int ch);
+
+/* this is the maximum width for a variable */
+#define LP_MAX_BUF 256
+
+/* macros */
+#define IsDigit(x) ( ((x) >= '0') && ((x) <= '9') )
+#define Ctod(x) ( (x) - '0')
+
+/* forward declaration */
+static int PrintChar(char *, char, int, int);
+static int PrintString(char *, char *, int, int);
+static int PrintNum(char *, unsigned long, int, int, int, int, char, int);
+
+/* private variable */
+static const char theFatalMsg[] = "fatal error in lp_Print!";
+
+/* -*-
+ * A low level printf() function.
+ */
+static void
+lp_Print(void (*output)(void *, char *, int),
+ void * arg,
+ char *fmt,
+ va_list ap)
+{
+
+#define OUTPUT(arg, s, l) \
+ { if (((l) < 0) || ((l) > LP_MAX_BUF)) { \
+ (*output)(arg, (char*)theFatalMsg, sizeof(theFatalMsg)-1); for(;;); \
+ } else { \
+ (*output)(arg, s, l); \
+ } \
+ }
+
+ char buf[LP_MAX_BUF];
+
+ char c;
+ char *s;
+ long int num;
+
+ int longFlag;
+ int negFlag;
+ int width;
+ int prec;
+ int ladjust;
+ char padc;
+
+ int length;
+
+ for(;;) {
+ {
+ /* scan for the next '%' */
+ char *fmtStart = fmt;
+ while ( (*fmt != '\0') && (*fmt != '%')) {
+ fmt ++;
+ }
+
+ /* flush the string found so far */
+ OUTPUT(arg, fmtStart, fmt-fmtStart);
+
+ /* are we hitting the end? */
+ if (*fmt == '\0') break;
+ }
+
+ /* we found a '%' */
+ fmt ++;
+
+ /* check for long */
+ if (*fmt == 'l') {
+ longFlag = 1;
+ fmt ++;
+ } else {
+ longFlag = 0;
+ }
+
+ /* check for other prefixes */
+ width = 0;
+ prec = -1;
+ ladjust = 0;
+ padc = ' ';
+
+ if (*fmt == '-') {
+ ladjust = 1;
+ fmt ++;
+ }
+
+ if (*fmt == '0') {
+ padc = '0';
+ fmt++;
+ }
+
+ if (IsDigit(*fmt)) {
+ while (IsDigit(*fmt)) {
+ width = 10 * width + Ctod(*fmt++);
+ }
+ }
+
+ if (*fmt == '.') {
+ fmt ++;
+ if (IsDigit(*fmt)) {
+ prec = 0;
+ while (IsDigit(*fmt)) {
+ prec = prec*10 + Ctod(*fmt++);
+ }
+ }
+ }
+
+
+ /* check format flag */
+ negFlag = 0;
+ switch (*fmt) {
+ case 'b':
+ if (longFlag) {
+ num = va_arg(ap, long int);
+ } else {
+ num = va_arg(ap, int);
+ }
+ length = PrintNum(buf, num, 2, 0, width, ladjust, padc, 0);
+ OUTPUT(arg, buf, length);
+ break;
+
+ case 'd':
+ case 'D':
+ if (longFlag) {
+ num = va_arg(ap, long int);
+ } else {
+ num = va_arg(ap, int);
+ }
+ if (num < 0) {
+ num = - num;
+ negFlag = 1;
+ }
+ length = PrintNum(buf, num, 10, negFlag, width, ladjust, padc, 0);
+ OUTPUT(arg, buf, length);
+ break;
+
+ case 'o':
+ case 'O':
+ if (longFlag) {
+ num = va_arg(ap, long int);
+ } else {
+ num = va_arg(ap, int);
+ }
+ length = PrintNum(buf, num, 8, 0, width, ladjust, padc, 0);
+ OUTPUT(arg, buf, length);
+ break;
+
+ case 'u':
+ case 'U':
+ if (longFlag) {
+ num = va_arg(ap, long int);
+ } else {
+ num = va_arg(ap, int);
+ }
+ length = PrintNum(buf, num, 10, 0, width, ladjust, padc, 0);
+ OUTPUT(arg, buf, length);
+ break;
+
+ case 'x':
+ if (longFlag) {
+ num = va_arg(ap, long int);
+ } else {
+ num = va_arg(ap, int);
+ }
+ length = PrintNum(buf, num, 16, 0, width, ladjust, padc, 0);
+ OUTPUT(arg, buf, length);
+ break;
+
+ case 'X':
+ if (longFlag) {
+ num = va_arg(ap, long int);
+ } else {
+ num = va_arg(ap, int);
+ }
+ length = PrintNum(buf, num, 16, 0, width, ladjust, padc, 1);
+ OUTPUT(arg, buf, length);
+ break;
+
+ case 'c':
+ c = (char)va_arg(ap, int);
+ length = PrintChar(buf, c, width, ladjust);
+ OUTPUT(arg, buf, length);
+ break;
+
+ case 's':
+ s = (char*)va_arg(ap, char *);
+ length = PrintString(buf, s, width, ladjust);
+ OUTPUT(arg, buf, length);
+ break;
+
+ case '\0':
+ fmt --;
+ break;
+
+ default:
+ /* output this char as it is */
+ OUTPUT(arg, fmt, 1);
+ } /* switch (*fmt) */
+
+ fmt ++;
+ } /* for(;;) */
+
+ /* special termination call */
+ OUTPUT(arg, "\0", 1);
+}
+
+
+/* --------------- local help functions --------------------- */
+static int
+PrintChar(char * buf, char c, int length, int ladjust)
+{
+ int i;
+
+ if (length < 1) length = 1;
+ if (ladjust) {
+ *buf = c;
+ for (i=1; i< length; i++) buf[i] = ' ';
+ } else {
+ for (i=0; i< length-1; i++) buf[i] = ' ';
+ buf[length - 1] = c;
+ }
+ return length;
+}
+
+static int
+PrintString(char * buf, char* s, int length, int ladjust)
+{
+ int i;
+ int len=0;
+ char* s1 = s;
+ while (*s1++) len++;
+ if (length < len) length = len;
+
+ if (ladjust) {
+ for (i=0; i< len; i++) buf[i] = s[i];
+ for (i=len; i< length; i++) buf[i] = ' ';
+ } else {
+ for (i=0; i< length-len; i++) buf[i] = ' ';
+ for (i=length-len; i < length; i++) buf[i] = s[i-length+len];
+ }
+ return length;
+}
+
+static int
+PrintNum(char * buf, unsigned long u, int base, int negFlag,
+ int length, int ladjust, char padc, int upcase)
+{
+ /* algorithm :
+ * 1. prints the number from left to right in reverse form.
+ * 2. fill the remaining spaces with padc if length is longer than
+ * the actual length
+ * TRICKY : if left adjusted, no "0" padding.
+ * if negtive, insert "0" padding between "0" and number.
+ * 3. if (!ladjust) we reverse the whole string including paddings
+ * 4. otherwise we only reverse the actual string representing the num.
+ */
+
+ int actualLength =0;
+ char *p = buf;
+ int i;
+
+ do {
+ int tmp = u %base;
+ if (tmp <= 9) {
+ *p++ = '0' + tmp;
+ } else if (upcase) {
+ *p++ = 'A' + tmp - 10;
+ } else {
+ *p++ = 'a' + tmp - 10;
+ }
+ u /= base;
+ } while (u != 0);
+
+ if (negFlag) {
+ *p++ = '-';
+ }
+
+ /* figure out actual length and adjust the maximum length */
+ actualLength = p - buf;
+ if (length < actualLength) length = actualLength;
+
+ /* add padding */
+ if (ladjust) {
+ padc = ' ';
+ }
+ if (negFlag && !ladjust && (padc == '0')) {
+ for (i = actualLength-1; i< length-1; i++) buf[i] = padc;
+ buf[length -1] = '-';
+ } else {
+ for (i = actualLength; i< length; i++) buf[i] = padc;
+ }
+
+
+ /* prepare to reverse the string */
+ {
+ int begin = 0;
+ int end;
+ if (ladjust) {
+ end = actualLength - 1;
+ } else {
+ end = length -1;
+ }
+
+ while (end > begin) {
+ char tmp = buf[begin];
+ buf[begin] = buf[end];
+ buf[end] = tmp;
+ begin ++;
+ end --;
+ }
+ }
+
+ /* adjust the string pointer */
+ return length;
+}
+
+static void printf_output(void *arg, char *s, int l)
+{
+ int i;
+
+ // special termination call
+ if ((l==1) && (s[0] == '\0')) return;
+
+ for (i=0; i< l; i++) {
+ board_putc(s[i]);
+ if (s[i] == '\n') board_putc('\r');
+ }
+}
+
+void printf(char *fmt, ...)
+{
+ va_list ap;
+ va_start(ap, fmt);
+ lp_Print(printf_output, 0, fmt, ap);
+ va_end(ap);
+}
diff --git a/target/linux/bmips/image/lzma-loader/src/printf.h b/target/linux/bmips/image/lzma-loader/src/printf.h
new file mode 100644
index 0000000000..8a86a560ae
--- /dev/null
+++ b/target/linux/bmips/image/lzma-loader/src/printf.h
@@ -0,0 +1,13 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Copyright (C) 2001 MontaVista Software Inc.
+ * Author: Jun Sun, jsun@mvista.com or jsun@junsun.net
+ */
+
+#ifndef _printf_h_
+#define _printf_h_
+
+#include <stdarg.h>
+void printf(char *fmt, ...);
+
+#endif /* _printf_h_ */