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-rw-r--r--target/linux/ramips/image/Makefile2
-rw-r--r--target/linux/ramips/image/relocate/Makefile72
-rw-r--r--target/linux/ramips/image/relocate/cacheops.h85
-rw-r--r--target/linux/ramips/image/relocate/cp0regdef.h39
-rw-r--r--target/linux/ramips/image/relocate/head.S159
-rw-r--r--target/linux/ramips/image/relocate/loader.lds16
6 files changed, 1 insertions, 372 deletions
diff --git a/target/linux/ramips/image/Makefile b/target/linux/ramips/image/Makefile
index 45ae3a585a..14f6f1ef7e 100644
--- a/target/linux/ramips/image/Makefile
+++ b/target/linux/ramips/image/Makefile
@@ -981,7 +981,7 @@ endif
ifeq ($(SUBTARGET),mt7621)
define Build/Compile
rm -rf $(KDIR)/relocate
- $(CP) ./relocate $(KDIR)
+ $(CP) ../../generic/image/relocate $(KDIR)
$(MAKE) -C $(KDIR)/relocate KERNEL_ADDR=$(KERNEL_LOADADDR) CROSS_COMPILE=$(TARGET_CROSS)
endef
endif
diff --git a/target/linux/ramips/image/relocate/Makefile b/target/linux/ramips/image/relocate/Makefile
deleted file mode 100644
index 500423b63b..0000000000
--- a/target/linux/ramips/image/relocate/Makefile
+++ /dev/null
@@ -1,72 +0,0 @@
-#
-# Makefile for the kernel relocation stub for MIPS devices
-#
-# Copyright (C) 2011 Gabor Juhos <juhosg@openwrt.org>
-# Copyright (C) 2015 Felix Fietkau <nbd@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>
-#
-# This program is free software; you can redistribute it and/or modify it
-# under the terms of the GNU General Public License version 2 as published
-# by the Free Software Foundation.
-#
-
-LOADADDR :=
-LZMA_TEXT_START := 0x81000000
-LOADER_DATA :=
-BOARD :=
-FLASH_OFFS :=
-FLASH_MAX :=
-PLATFORM :=
-
-CC := $(CROSS_COMPILE)gcc
-LD := $(CROSS_COMPILE)ld
-OBJCOPY := $(CROSS_COMPILE)objcopy
-OBJDUMP := $(CROSS_COMPILE)objdump
-
-BIN_FLAGS := -O binary -R .reginfo -R .note -R .comment -R .mdebug -S
-
-CFLAGS = -D__KERNEL__ -Wall -Wstrict-prototypes -Wno-trigraphs -Os \
- -fno-strict-aliasing -fno-common -fomit-frame-pointer -G 0 \
- -mno-abicalls -fno-pic -ffunction-sections -pipe -mlong-calls \
- -fno-common -ffreestanding -fhonour-copts \
- -mabi=32 -march=mips32r2 \
- -Wa,-32 -Wa,-march=mips32r2 -Wa,-mips32r2 -Wa,--trap \
- -DCONFIG_CACHELINE_SIZE=32 -DKERNEL_ADDR=$(KERNEL_ADDR)
-
-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
-
-all: head.o loader.bin
-
-# 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 $@ $<
-
-loader: $(OBJECTS)
- $(LD) $(LDFLAGS) -o $@ $(OBJECTS)
-
-loader.bin: loader
- $(OBJCOPY) $(BIN_FLAGS) $< $@
-
-mrproper: clean
-
-clean:
- rm -f loader *.elf *.bin *.o
diff --git a/target/linux/ramips/image/relocate/cacheops.h b/target/linux/ramips/image/relocate/cacheops.h
deleted file mode 100644
index 70bcad7694..0000000000
--- a/target/linux/ramips/image/relocate/cacheops.h
+++ /dev/null
@@ -1,85 +0,0 @@
-/*
- * Cache operations for the cache instruction.
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * (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/ramips/image/relocate/cp0regdef.h b/target/linux/ramips/image/relocate/cp0regdef.h
deleted file mode 100644
index c1188ad8c8..0000000000
--- a/target/linux/ramips/image/relocate/cp0regdef.h
+++ /dev/null
@@ -1,39 +0,0 @@
-/*
- * 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
-
-#endif
diff --git a/target/linux/ramips/image/relocate/head.S b/target/linux/ramips/image/relocate/head.S
deleted file mode 100644
index 3e5b374ba0..0000000000
--- a/target/linux/ramips/image/relocate/head.S
+++ /dev/null
@@ -1,159 +0,0 @@
-/*
- * Kernel relocation stub for MIPS devices
- *
- * Copyright (C) 2015 Felix Fietkau <nbd@openwrt.org>
- *
- * Based on:
- *
- * 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>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 as published
- * by the Free Software Foundation.
- */
-
-#include <asm/asm.h>
-#include <asm/regdef.h>
-#include "cp0regdef.h"
-#include "cacheops.h"
-
-#define KSEG0 0x80000000
-
- .macro ehb
- sll zero, 3
- .endm
-
- .macro reset
- li t0, 0xbe000034
- lw t1, 0(t0)
- ori t1, 1
- sw t1, 0(t0)
- .endm
-
- .text
-
-LEAF(startup)
- .set noreorder
- .set mips32
-
- .fill 0x10000
-
- 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
-
- /* 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 t4, t2, t0 # calculate actual address of _code_end
- lw t5, 0(t4) # get extra data size
-
- add t2, t5
- add t2, 4
-
- add 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
-
- la t0, __reloc_back
- j t0
- nop
-
-__reloc_back:
- la t0, _code_end
- add t0, 4
-
- addu t1, t0, t5
-
- li t2, KERNEL_ADDR
-
-__kernel_copy:
- lw t3, 0(t0)
- sw t3, 0(t2)
- add t0, 4
- blt t0, t1, __kernel_copy
- add t2, 4
-
- /* flush cache */
- li t0, KERNEL_ADDR
- addu t1, t0, t5
-
- add t1, CONFIG_CACHELINE_SIZE - 1
- li t2, ~(CONFIG_CACHELINE_SIZE - 1)
- and t0, t2
- and t1, t2
- li t2, CONFIG_CACHELINE_SIZE
-
- b __kernel_flush_check
- nop
-
-__kernel_flush_line:
- cache Hit_Writeback_Inv_D, 0(t0)
- cache Hit_Invalidate_I, 0(t0)
- add t0, t2
-
-__kernel_flush_check:
- bne t0, t1, __kernel_flush_line
- nop
-
- sync
-
- li t0, KERNEL_ADDR
- jr t0
- nop
-
- .set reorder
-END(startup)
diff --git a/target/linux/ramips/image/relocate/loader.lds b/target/linux/ramips/image/relocate/loader.lds
deleted file mode 100644
index 98ca209303..0000000000
--- a/target/linux/ramips/image/relocate/loader.lds
+++ /dev/null
@@ -1,16 +0,0 @@
-OUTPUT_ARCH(mips)
-SECTIONS {
- .text : {
- _code_start = .;
- *(.text)
- *(.text.*)
- *(.rodata)
- *(.rodata.*)
- *(.data)
- *(.data.*)
- }
-
- . = ALIGN(32);
-
- _code_end = .;
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-18 10:44:39 +0000