Merge git://git.denx.de/u-boot-arc
This commit is contained in:
Tom Rini
commit
10918c03a9
2
Kconfig
2
Kconfig
@ -139,7 +139,7 @@ config SYS_EXTRA_OPTIONS
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new boards should not use this option.
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config SYS_TEXT_BASE
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depends on SPARC
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depends on SPARC || ARC
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hex "Text Base"
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help
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TODO: Move CONFIG_SYS_TEXT_BASE for all the architecture
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@ -4,6 +4,7 @@ choice
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config ARC
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bool "ARC architecture"
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select HAVE_PRIVATE_LIBGCC
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config ARM
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bool "ARM architecture"
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@ -4,9 +4,77 @@ menu "ARC architecture"
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config SYS_ARCH
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default "arc"
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config USE_PRIVATE_LIBGCC
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default y
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config SYS_CPU
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default "arcv1"
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choice
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prompt "CPU selection"
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default CPU_ARC770D
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config CPU_ARC750D
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bool "ARC 750D"
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select ARC_MMU_V2
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help
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Choose this option to build an U-Boot for ARC750D CPU.
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config CPU_ARC770D
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bool "ARC 770D"
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select ARC_MMU_V3
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help
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Choose this option to build an U-Boot for ARC770D CPU.
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endchoice
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choice
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prompt "MMU Version"
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default ARC_MMU_V3 if CPU_ARC770D
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default ARC_MMU_V2 if CPU_ARC750D
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config ARC_MMU_V2
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bool "MMU v2"
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depends on CPU_ARC750D
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help
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Fixed the deficiency of v1 - possible thrashing in memcpy sceanrio
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when 2 D-TLB and 1 I-TLB entries index into same 2way set.
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config ARC_MMU_V3
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bool "MMU v3"
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depends on CPU_ARC770D
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help
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Introduced with ARC700 4.10: New Features
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Variable Page size (1k-16k), var JTLB size 128 x (2 or 4)
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Shared Address Spaces (SASID)
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endchoice
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config CPU_BIG_ENDIAN
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bool "Enable Big Endian Mode"
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default n
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help
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Build kernel for Big Endian Mode of ARC CPU
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config SYS_ICACHE_OFF
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bool "Do not use Instruction Cache"
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default n
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config SYS_DCACHE_OFF
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bool "Do not use Data Cache"
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default n
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config ARC_CACHE_LINE_SHIFT
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int "Cache Line Length (as power of 2)"
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range 5 7
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default "6"
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depends on !SYS_DCACHE_OFF || !SYS_DCACHE_OFF
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help
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Starting with ARC700 4.9, Cache line length is configurable,
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This option specifies "N", with Line-len = 2 power N
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So line lengths of 32, 64, 128 are specified by 5,6,7, respectively
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Linux only supports same line lengths for I and D caches.
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choice
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prompt "Target select"
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@ -16,9 +84,6 @@ config TARGET_TB100
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config TARGET_ARCANGEL4
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bool "Support arcangel4"
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config TARGET_ARCANGEL4_BE
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bool "Support arcangel4-be"
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config TARGET_AXS101
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bool "Support axs101"
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@ -4,17 +4,22 @@
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# SPDX-License-Identifier: GPL-2.0+
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#
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ifndef CONFIG_SYS_BIG_ENDIAN
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ifndef CONFIG_CPU_BIG_ENDIAN
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CONFIG_SYS_LITTLE_ENDIAN = 1
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else
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CONFIG_SYS_BIG_ENDIAN = 1
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endif
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ifdef CONFIG_SYS_LITTLE_ENDIAN
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ARC_CROSS_COMPILE := arc-buildroot-linux-uclibc-
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PLATFORM_LDFLAGS += -EL
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PLATFORM_CPPFLAGS += -mlittle-endian
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endif
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ifdef CONFIG_SYS_BIG_ENDIAN
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ARC_CROSS_COMPILE := arceb-buildroot-linux-uclibc-
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PLATFORM_LDFLAGS += -EB
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PLATFORM_CPPFLAGS += -mbig-endian
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endif
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ifeq ($(CROSS_COMPILE),)
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@ -25,6 +30,14 @@ ifdef CONFIG_ARC_MMU_VER
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CONFIG_MMU = 1
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endif
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ifdef CONFIG_CPU_ARC750D
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PLATFORM_CPPFLAGS += -marc700
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endif
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ifdef CONFIG_CPU_ARC770D
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PLATFORM_CPPFLAGS += -marc700 -mlock -mswape
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endif
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PLATFORM_CPPFLAGS += -ffixed-r25 -D__ARC__ -gdwarf-2
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# Needed for relocation
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@ -1,7 +0,0 @@
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#
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# Copyright (C) 2013-2014 Synopsys, Inc. All rights reserved.
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#
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# SPDX-License-Identifier: GPL-2.0+
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#
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PLATFORM_CPPFLAGS += -mA7
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@ -7,6 +7,8 @@
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#ifndef _ASM_ARC_ARCREGS_H
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#define _ASM_ARC_ARCREGS_H
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#include <asm/cache.h>
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/*
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* ARC architecture has additional address space - auxiliary registers.
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* These registers are mostly used for configuration purposes.
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@ -21,7 +23,7 @@
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#define ARC_AUX_IC_IVIC 0x10
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#define ARC_AUX_IC_CTRL 0x11
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#define ARC_AUX_IC_IVIL 0x19
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#if (CONFIG_ARC_MMU_VER > 2)
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#if (CONFIG_ARC_MMU_VER == 3)
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#define ARC_AUX_IC_PTAG 0x1E
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#endif
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#define ARC_BCR_IC_BUILD 0x77
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@ -40,7 +42,7 @@
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#define ARC_AUX_DC_IVDL 0x4A
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#define ARC_AUX_DC_FLSH 0x4B
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#define ARC_AUX_DC_FLDL 0x4C
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#if (CONFIG_ARC_MMU_VER > 2)
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#if (CONFIG_ARC_MMU_VER == 3)
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#define ARC_AUX_DC_PTAG 0x5C
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#endif
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#define ARC_BCR_DC_BUILD 0x72
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@ -9,15 +9,18 @@
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#include <config.h>
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/*
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* The current upper bound for ARC L1 data cache line sizes is 128 bytes.
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* We use that value for aligning DMA buffers unless the board config has
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* specified an alternate cache line size.
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*/
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#ifdef CONFIG_SYS_CACHELINE_SIZE
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#define ARCH_DMA_MINALIGN CONFIG_SYS_CACHELINE_SIZE
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#ifdef CONFIG_ARC_CACHE_LINE_SHIFT
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#define CONFIG_SYS_CACHELINE_SIZE (1 << CONFIG_ARC_CACHE_LINE_SHIFT)
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#define ARCH_DMA_MINALIGN CONFIG_SYS_CACHELINE_SIZE
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#else
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#define ARCH_DMA_MINALIGN 128
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/* Satisfy users of ARCH_DMA_MINALIGN */
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#define ARCH_DMA_MINALIGN 128
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#endif
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#if defined(CONFIG_ARC_MMU_V2)
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#define CONFIG_ARC_MMU_VER 2
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#elif defined(CONFIG_ARC_MMU_V3)
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#define CONFIG_ARC_MMU_VER 3
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#endif
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#endif /* __ASM_ARC_CACHE_H */
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@ -7,8 +7,10 @@
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#ifndef __ASM_ARC_CONFIG_H_
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#define __ASM_ARC_CONFIG_H_
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#define CONFIG_SYS_GENERIC_BOARD
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#define CONFIG_SYS_GENERIC_GLOBAL_DATA
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#define CONFIG_SYS_BOOT_RAMDISK_HIGH
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#define CONFIG_ARCH_EARLY_INIT_R
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#define CONFIG_LMB
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@ -20,3 +20,5 @@ obj-y += reset.o
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obj-y += timer.o
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obj-$(CONFIG_CMD_BOOTM) += bootm.o
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lib-$(CONFIG_USE_PRIVATE_LIBGCC) += _millicodethunk.o libgcc2.o
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226
arch/arc/lib/_millicodethunk.S
Normal file
226
arch/arc/lib/_millicodethunk.S
Normal file
@ -0,0 +1,226 @@
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/*
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* Copyright (C) 1995, 1997, 2007-2013 Free Software Foundation, Inc.
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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/* ANSI concatenation macros. */
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#define CONCAT1(a, b) CONCAT2(a, b)
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#define CONCAT2(a, b) a ## b
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/* Use the right prefix for global labels. */
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#define SYM(x) CONCAT1 (__USER_LABEL_PREFIX__, x)
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#ifndef WORKING_ASSEMBLER
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#define abs_l abs
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#define asl_l asl
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#define mov_l mov
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#endif
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#define FUNC(X) .type SYM(X),@function
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#define HIDDEN_FUNC(X) FUNC(X)` .hidden X
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#define ENDFUNC0(X) .Lfe_##X: .size X,.Lfe_##X-X
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#define ENDFUNC(X) ENDFUNC0(X)
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.section .text
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.align 4
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.global SYM(__st_r13_to_r15)
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.global SYM(__st_r13_to_r16)
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.global SYM(__st_r13_to_r17)
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.global SYM(__st_r13_to_r18)
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.global SYM(__st_r13_to_r19)
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.global SYM(__st_r13_to_r20)
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.global SYM(__st_r13_to_r21)
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.global SYM(__st_r13_to_r22)
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.global SYM(__st_r13_to_r23)
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.global SYM(__st_r13_to_r24)
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.global SYM(__st_r13_to_r25)
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HIDDEN_FUNC(__st_r13_to_r15)
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HIDDEN_FUNC(__st_r13_to_r16)
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HIDDEN_FUNC(__st_r13_to_r17)
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HIDDEN_FUNC(__st_r13_to_r18)
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HIDDEN_FUNC(__st_r13_to_r19)
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HIDDEN_FUNC(__st_r13_to_r20)
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HIDDEN_FUNC(__st_r13_to_r21)
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HIDDEN_FUNC(__st_r13_to_r22)
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HIDDEN_FUNC(__st_r13_to_r23)
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HIDDEN_FUNC(__st_r13_to_r24)
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HIDDEN_FUNC(__st_r13_to_r25)
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.align 4
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SYM(__st_r13_to_r25):
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st r25, [sp,48]
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SYM(__st_r13_to_r24):
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st r24, [sp,44]
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SYM(__st_r13_to_r23):
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st r23, [sp,40]
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SYM(__st_r13_to_r22):
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st r22, [sp,36]
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SYM(__st_r13_to_r21):
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st r21, [sp,32]
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SYM(__st_r13_to_r20):
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st r20, [sp,28]
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SYM(__st_r13_to_r19):
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st r19, [sp,24]
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SYM(__st_r13_to_r18):
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st r18, [sp,20]
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SYM(__st_r13_to_r17):
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st r17, [sp,16]
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SYM(__st_r13_to_r16):
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st r16, [sp,12]
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SYM(__st_r13_to_r15):
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#ifdef __ARC700__
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st r15, [sp,8] ; minimum function size to avoid stall: 6 bytes.
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#else
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st_s r15, [sp,8]
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#endif
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st_s r14, [sp,4]
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j_s.d [%blink]
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st_s r13, [sp,0]
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ENDFUNC(__st_r13_to_r15)
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ENDFUNC(__st_r13_to_r16)
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ENDFUNC(__st_r13_to_r17)
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ENDFUNC(__st_r13_to_r18)
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ENDFUNC(__st_r13_to_r19)
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ENDFUNC(__st_r13_to_r20)
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ENDFUNC(__st_r13_to_r21)
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ENDFUNC(__st_r13_to_r22)
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ENDFUNC(__st_r13_to_r23)
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ENDFUNC(__st_r13_to_r24)
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ENDFUNC(__st_r13_to_r25)
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|
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.section .text
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.align 4
|
||||
; ==================================
|
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; the loads
|
||||
|
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.global SYM(__ld_r13_to_r15)
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||||
.global SYM(__ld_r13_to_r16)
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||||
.global SYM(__ld_r13_to_r17)
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||||
.global SYM(__ld_r13_to_r18)
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.global SYM(__ld_r13_to_r19)
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.global SYM(__ld_r13_to_r20)
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.global SYM(__ld_r13_to_r21)
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.global SYM(__ld_r13_to_r22)
|
||||
.global SYM(__ld_r13_to_r23)
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||||
.global SYM(__ld_r13_to_r24)
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||||
.global SYM(__ld_r13_to_r25)
|
||||
HIDDEN_FUNC(__ld_r13_to_r15)
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||||
HIDDEN_FUNC(__ld_r13_to_r16)
|
||||
HIDDEN_FUNC(__ld_r13_to_r17)
|
||||
HIDDEN_FUNC(__ld_r13_to_r18)
|
||||
HIDDEN_FUNC(__ld_r13_to_r19)
|
||||
HIDDEN_FUNC(__ld_r13_to_r20)
|
||||
HIDDEN_FUNC(__ld_r13_to_r21)
|
||||
HIDDEN_FUNC(__ld_r13_to_r22)
|
||||
HIDDEN_FUNC(__ld_r13_to_r23)
|
||||
HIDDEN_FUNC(__ld_r13_to_r24)
|
||||
HIDDEN_FUNC(__ld_r13_to_r25)
|
||||
SYM(__ld_r13_to_r25):
|
||||
ld r25, [sp,48]
|
||||
SYM(__ld_r13_to_r24):
|
||||
ld r24, [sp,44]
|
||||
SYM(__ld_r13_to_r23):
|
||||
ld r23, [sp,40]
|
||||
SYM(__ld_r13_to_r22):
|
||||
ld r22, [sp,36]
|
||||
SYM(__ld_r13_to_r21):
|
||||
ld r21, [sp,32]
|
||||
SYM(__ld_r13_to_r20):
|
||||
ld r20, [sp,28]
|
||||
SYM(__ld_r13_to_r19):
|
||||
ld r19, [sp,24]
|
||||
SYM(__ld_r13_to_r18):
|
||||
ld r18, [sp,20]
|
||||
SYM(__ld_r13_to_r17):
|
||||
ld r17, [sp,16]
|
||||
SYM(__ld_r13_to_r16):
|
||||
ld r16, [sp,12]
|
||||
SYM(__ld_r13_to_r15):
|
||||
#ifdef __ARC700__
|
||||
ld r15, [sp,8] ; minimum function size to avoid stall: 6 bytes.
|
||||
#else
|
||||
ld_s r15, [sp,8]
|
||||
#endif
|
||||
ld_s r14, [sp,4]
|
||||
j_s.d [%blink]
|
||||
ld_s r13, [sp,0]
|
||||
ENDFUNC(__ld_r13_to_r15)
|
||||
ENDFUNC(__ld_r13_to_r16)
|
||||
ENDFUNC(__ld_r13_to_r17)
|
||||
ENDFUNC(__ld_r13_to_r18)
|
||||
ENDFUNC(__ld_r13_to_r19)
|
||||
ENDFUNC(__ld_r13_to_r20)
|
||||
ENDFUNC(__ld_r13_to_r21)
|
||||
ENDFUNC(__ld_r13_to_r22)
|
||||
ENDFUNC(__ld_r13_to_r23)
|
||||
ENDFUNC(__ld_r13_to_r24)
|
||||
ENDFUNC(__ld_r13_to_r25)
|
||||
|
||||
.global SYM(__ld_r13_to_r14_ret)
|
||||
.global SYM(__ld_r13_to_r15_ret)
|
||||
.global SYM(__ld_r13_to_r16_ret)
|
||||
.global SYM(__ld_r13_to_r17_ret)
|
||||
.global SYM(__ld_r13_to_r18_ret)
|
||||
.global SYM(__ld_r13_to_r19_ret)
|
||||
.global SYM(__ld_r13_to_r20_ret)
|
||||
.global SYM(__ld_r13_to_r21_ret)
|
||||
.global SYM(__ld_r13_to_r22_ret)
|
||||
.global SYM(__ld_r13_to_r23_ret)
|
||||
.global SYM(__ld_r13_to_r24_ret)
|
||||
.global SYM(__ld_r13_to_r25_ret)
|
||||
HIDDEN_FUNC(__ld_r13_to_r14_ret)
|
||||
HIDDEN_FUNC(__ld_r13_to_r15_ret)
|
||||
HIDDEN_FUNC(__ld_r13_to_r16_ret)
|
||||
HIDDEN_FUNC(__ld_r13_to_r17_ret)
|
||||
HIDDEN_FUNC(__ld_r13_to_r18_ret)
|
||||
HIDDEN_FUNC(__ld_r13_to_r19_ret)
|
||||
HIDDEN_FUNC(__ld_r13_to_r20_ret)
|
||||
HIDDEN_FUNC(__ld_r13_to_r21_ret)
|
||||
HIDDEN_FUNC(__ld_r13_to_r22_ret)
|
||||
HIDDEN_FUNC(__ld_r13_to_r23_ret)
|
||||
HIDDEN_FUNC(__ld_r13_to_r24_ret)
|
||||
HIDDEN_FUNC(__ld_r13_to_r25_ret)
|
||||
.section .text
|
||||
.align 4
|
||||
SYM(__ld_r13_to_r25_ret):
|
||||
ld r25, [sp,48]
|
||||
SYM(__ld_r13_to_r24_ret):
|
||||
ld r24, [sp,44]
|
||||
SYM(__ld_r13_to_r23_ret):
|
||||
ld r23, [sp,40]
|
||||
SYM(__ld_r13_to_r22_ret):
|
||||
ld r22, [sp,36]
|
||||
SYM(__ld_r13_to_r21_ret):
|
||||
ld r21, [sp,32]
|
||||
SYM(__ld_r13_to_r20_ret):
|
||||
ld r20, [sp,28]
|
||||
SYM(__ld_r13_to_r19_ret):
|
||||
ld r19, [sp,24]
|
||||
SYM(__ld_r13_to_r18_ret):
|
||||
ld r18, [sp,20]
|
||||
SYM(__ld_r13_to_r17_ret):
|
||||
ld r17, [sp,16]
|
||||
SYM(__ld_r13_to_r16_ret):
|
||||
ld r16, [sp,12]
|
||||
SYM(__ld_r13_to_r15_ret):
|
||||
ld r15, [sp,8]
|
||||
SYM(__ld_r13_to_r14_ret):
|
||||
ld blink,[sp,r12]
|
||||
ld_s r14, [sp,4]
|
||||
ld.ab r13, [sp,r12]
|
||||
j_s.d [%blink]
|
||||
add_s sp,sp,4
|
||||
ENDFUNC(__ld_r13_to_r14_ret)
|
||||
ENDFUNC(__ld_r13_to_r15_ret)
|
||||
ENDFUNC(__ld_r13_to_r16_ret)
|
||||
ENDFUNC(__ld_r13_to_r17_ret)
|
||||
ENDFUNC(__ld_r13_to_r18_ret)
|
||||
ENDFUNC(__ld_r13_to_r19_ret)
|
||||
ENDFUNC(__ld_r13_to_r20_ret)
|
||||
ENDFUNC(__ld_r13_to_r21_ret)
|
||||
ENDFUNC(__ld_r13_to_r22_ret)
|
||||
ENDFUNC(__ld_r13_to_r23_ret)
|
||||
ENDFUNC(__ld_r13_to_r24_ret)
|
||||
ENDFUNC(__ld_r13_to_r25_ret)
|
||||
@ -6,6 +6,7 @@
|
||||
|
||||
#include <config.h>
|
||||
#include <asm/arcregs.h>
|
||||
#include <asm/cache.h>
|
||||
|
||||
/* Bit values in IC_CTRL */
|
||||
#define IC_CTRL_CACHE_DISABLE (1 << 0)
|
||||
@ -101,7 +102,7 @@ void flush_dcache_all(void)
|
||||
#ifndef CONFIG_SYS_DCACHE_OFF
|
||||
static void dcache_flush_line(unsigned addr)
|
||||
{
|
||||
#if (CONFIG_ARC_MMU_VER > 2)
|
||||
#if (CONFIG_ARC_MMU_VER == 3)
|
||||
write_aux_reg(ARC_AUX_DC_PTAG, addr);
|
||||
#endif
|
||||
write_aux_reg(ARC_AUX_DC_FLDL, addr);
|
||||
@ -115,7 +116,7 @@ static void dcache_flush_line(unsigned addr)
|
||||
* Invalidate I$ for addresses range just flushed from D$.
|
||||
* If we try to execute data flushed above it will be valid/correct
|
||||
*/
|
||||
#if (CONFIG_ARC_MMU_VER > 2)
|
||||
#if (CONFIG_ARC_MMU_VER == 3)
|
||||
write_aux_reg(ARC_AUX_IC_PTAG, addr);
|
||||
#endif
|
||||
write_aux_reg(ARC_AUX_IC_IVIL, addr);
|
||||
@ -145,7 +146,7 @@ void invalidate_dcache_range(unsigned long start, unsigned long end)
|
||||
end = end & (~(CONFIG_SYS_CACHELINE_SIZE - 1));
|
||||
|
||||
for (addr = start; addr <= end; addr += CONFIG_SYS_CACHELINE_SIZE) {
|
||||
#if (CONFIG_ARC_MMU_VER > 2)
|
||||
#if (CONFIG_ARC_MMU_VER == 3)
|
||||
write_aux_reg(ARC_AUX_DC_PTAG, addr);
|
||||
#endif
|
||||
write_aux_reg(ARC_AUX_DC_IVDL, addr);
|
||||
|
||||
161
arch/arc/lib/libgcc2.c
Normal file
161
arch/arc/lib/libgcc2.c
Normal file
@ -0,0 +1,161 @@
|
||||
/*
|
||||
* Copyright (C) 1989-2013 Free Software Foundation, Inc.
|
||||
*
|
||||
* SPDX-License-Identifier: GPL-2.0+
|
||||
*/
|
||||
|
||||
#include "libgcc2.h"
|
||||
|
||||
DWtype
|
||||
__ashldi3(DWtype u, shift_count_type b)
|
||||
{
|
||||
if (b == 0)
|
||||
return u;
|
||||
|
||||
const DWunion uu = {.ll = u};
|
||||
const shift_count_type bm = W_TYPE_SIZE - b;
|
||||
DWunion w;
|
||||
|
||||
if (bm <= 0) {
|
||||
w.s.low = 0;
|
||||
w.s.high = (UWtype)uu.s.low << -bm;
|
||||
} else {
|
||||
const UWtype carries = (UWtype) uu.s.low >> bm;
|
||||
|
||||
w.s.low = (UWtype)uu.s.low << b;
|
||||
w.s.high = ((UWtype)uu.s.high << b) | carries;
|
||||
}
|
||||
|
||||
return w.ll;
|
||||
}
|
||||
|
||||
DWtype
|
||||
__ashrdi3(DWtype u, shift_count_type b)
|
||||
{
|
||||
if (b == 0)
|
||||
return u;
|
||||
|
||||
const DWunion uu = {.ll = u};
|
||||
const shift_count_type bm = W_TYPE_SIZE - b;
|
||||
DWunion w;
|
||||
|
||||
if (bm <= 0) {
|
||||
/* w.s.high = 1..1 or 0..0 */
|
||||
w.s.high = uu.s.high >> (W_TYPE_SIZE - 1);
|
||||
w.s.low = uu.s.high >> -bm;
|
||||
} else {
|
||||
const UWtype carries = (UWtype) uu.s.high << bm;
|
||||
|
||||
w.s.high = uu.s.high >> b;
|
||||
w.s.low = ((UWtype)uu.s.low >> b) | carries;
|
||||
}
|
||||
|
||||
return w.ll;
|
||||
}
|
||||
|
||||
DWtype
|
||||
__lshrdi3(DWtype u, shift_count_type b)
|
||||
{
|
||||
if (b == 0)
|
||||
return u;
|
||||
|
||||
const DWunion uu = {.ll = u};
|
||||
const shift_count_type bm = W_TYPE_SIZE - b;
|
||||
DWunion w;
|
||||
|
||||
if (bm <= 0) {
|
||||
w.s.high = 0;
|
||||
w.s.low = (UWtype)uu.s.high >> -bm;
|
||||
} else {
|
||||
const UWtype carries = (UWtype)uu.s.high << bm;
|
||||
|
||||
w.s.high = (UWtype)uu.s.high >> b;
|
||||
w.s.low = ((UWtype)uu.s.low >> b) | carries;
|
||||
}
|
||||
|
||||
return w.ll;
|
||||
}
|
||||
|
||||
unsigned long
|
||||
udivmodsi4(unsigned long num, unsigned long den, int modwanted)
|
||||
{
|
||||
unsigned long bit = 1;
|
||||
unsigned long res = 0;
|
||||
|
||||
while (den < num && bit && !(den & (1L<<31))) {
|
||||
den <<= 1;
|
||||
bit <<= 1;
|
||||
}
|
||||
|
||||
while (bit) {
|
||||
if (num >= den) {
|
||||
num -= den;
|
||||
res |= bit;
|
||||
}
|
||||
bit >>= 1;
|
||||
den >>= 1;
|
||||
}
|
||||
|
||||
if (modwanted)
|
||||
return num;
|
||||
|
||||
return res;
|
||||
}
|
||||
|
||||
long
|
||||
__divsi3(long a, long b)
|
||||
{
|
||||
int neg = 0;
|
||||
long res;
|
||||
|
||||
if (a < 0) {
|
||||
a = -a;
|
||||
neg = !neg;
|
||||
}
|
||||
|
||||
if (b < 0) {
|
||||
b = -b;
|
||||
neg = !neg;
|
||||
}
|
||||
|
||||
res = udivmodsi4(a, b, 0);
|
||||
|
||||
if (neg)
|
||||
res = -res;
|
||||
|
||||
return res;
|
||||
}
|
||||
|
||||
long
|
||||
__modsi3(long a, long b)
|
||||
{
|
||||
int neg = 0;
|
||||
long res;
|
||||
|
||||
if (a < 0) {
|
||||
a = -a;
|
||||
neg = 1;
|
||||
}
|
||||
|
||||
if (b < 0)
|
||||
b = -b;
|
||||
|
||||
res = udivmodsi4(a, b, 1);
|
||||
|
||||
if (neg)
|
||||
res = -res;
|
||||
|
||||
return res;
|
||||
}
|
||||
|
||||
long
|
||||
__udivsi3(long a, long b)
|
||||
{
|
||||
return udivmodsi4(a, b, 0);
|
||||
}
|
||||
|
||||
long
|
||||
__umodsi3(long a, long b)
|
||||
{
|
||||
return udivmodsi4(a, b, 1);
|
||||
}
|
||||
132
arch/arc/lib/libgcc2.h
Normal file
132
arch/arc/lib/libgcc2.h
Normal file
@ -0,0 +1,132 @@
|
||||
/*
|
||||
* Copyright (C) 1989-2013 Free Software Foundation, Inc.
|
||||
*
|
||||
* SPDX-License-Identifier: GPL-2.0+
|
||||
*/
|
||||
|
||||
#ifndef __ASM_LIBGCC_H
|
||||
#define __ASM_LIBGCC_H
|
||||
|
||||
#define UNITS_PER_WORD 4 /* for ARC */
|
||||
#define BITS_PER_UNIT 8 /* for ARC */
|
||||
|
||||
#define W_TYPE_SIZE (4 * BITS_PER_UNIT)
|
||||
|
||||
#define MIN_UNITS_PER_WORD UNITS_PER_WORD
|
||||
|
||||
/* Work out the largest "word" size that we can deal with on this target. */
|
||||
#if MIN_UNITS_PER_WORD > 4
|
||||
# define LIBGCC2_MAX_UNITS_PER_WORD 8
|
||||
#elif (MIN_UNITS_PER_WORD > 2 \
|
||||
|| (MIN_UNITS_PER_WORD > 1 && __SIZEOF_LONG_LONG__ > 4))
|
||||
# define LIBGCC2_MAX_UNITS_PER_WORD 4
|
||||
#else
|
||||
# define LIBGCC2_MAX_UNITS_PER_WORD MIN_UNITS_PER_WORD
|
||||
#endif
|
||||
|
||||
/* Work out what word size we are using for this compilation.
|
||||
The value can be set on the command line. */
|
||||
#ifndef LIBGCC2_UNITS_PER_WORD
|
||||
#define LIBGCC2_UNITS_PER_WORD LIBGCC2_MAX_UNITS_PER_WORD
|
||||
#endif
|
||||
|
||||
typedef int QItype __attribute__ ((mode (QI)));
|
||||
typedef unsigned int UQItype __attribute__ ((mode (QI)));
|
||||
typedef int HItype __attribute__ ((mode (HI)));
|
||||
typedef unsigned int UHItype __attribute__ ((mode (HI)));
|
||||
#if MIN_UNITS_PER_WORD > 1
|
||||
/* These typedefs are usually forbidden on dsp's with UNITS_PER_WORD 1. */
|
||||
typedef int SItype __attribute__ ((mode (SI)));
|
||||
typedef unsigned int USItype __attribute__ ((mode (SI)));
|
||||
#if __SIZEOF_LONG_LONG__ > 4
|
||||
/* These typedefs are usually forbidden on archs with UNITS_PER_WORD 2. */
|
||||
typedef int DItype __attribute__ ((mode (DI)));
|
||||
typedef unsigned int UDItype __attribute__ ((mode (DI)));
|
||||
#if MIN_UNITS_PER_WORD > 4
|
||||
/* These typedefs are usually forbidden on archs with UNITS_PER_WORD 4. */
|
||||
typedef int TItype __attribute__ ((mode (TI)));
|
||||
typedef unsigned int UTItype __attribute__ ((mode (TI)));
|
||||
#endif
|
||||
#endif
|
||||
#endif
|
||||
|
||||
#if LIBGCC2_UNITS_PER_WORD == 8
|
||||
#define W_TYPE_SIZE (8 * BITS_PER_UNIT)
|
||||
#define Wtype DItype
|
||||
#define UWtype UDItype
|
||||
#define HWtype DItype
|
||||
#define UHWtype UDItype
|
||||
#define DWtype TItype
|
||||
#define UDWtype UTItype
|
||||
#ifdef LIBGCC2_GNU_PREFIX
|
||||
#define __NW(a,b) __gnu_ ## a ## di ## b
|
||||
#define __NDW(a,b) __gnu_ ## a ## ti ## b
|
||||
#else
|
||||
#define __NW(a,b) __ ## a ## di ## b
|
||||
#define __NDW(a,b) __ ## a ## ti ## b
|
||||
#endif
|
||||
#elif LIBGCC2_UNITS_PER_WORD == 4
|
||||
#define W_TYPE_SIZE (4 * BITS_PER_UNIT)
|
||||
#define Wtype SItype
|
||||
#define UWtype USItype
|
||||
#define HWtype SItype
|
||||
#define UHWtype USItype
|
||||
#define DWtype DItype
|
||||
#define UDWtype UDItype
|
||||
#ifdef LIBGCC2_GNU_PREFIX
|
||||
#define __NW(a,b) __gnu_ ## a ## si ## b
|
||||
#define __NDW(a,b) __gnu_ ## a ## di ## b
|
||||
#else
|
||||
#define __NW(a,b) __ ## a ## si ## b
|
||||
#define __NDW(a,b) __ ## a ## di ## b
|
||||
#endif
|
||||
#elif LIBGCC2_UNITS_PER_WORD == 2
|
||||
#define W_TYPE_SIZE (2 * BITS_PER_UNIT)
|
||||
#define Wtype HItype
|
||||
#define UWtype UHItype
|
||||
#define HWtype HItype
|
||||
#define UHWtype UHItype
|
||||
#define DWtype SItype
|
||||
#define UDWtype USItype
|
||||
#ifdef LIBGCC2_GNU_PREFIX
|
||||
#define __NW(a,b) __gnu_ ## a ## hi ## b
|
||||
#define __NDW(a,b) __gnu_ ## a ## si ## b
|
||||
#else
|
||||
#define __NW(a,b) __ ## a ## hi ## b
|
||||
#define __NDW(a,b) __ ## a ## si ## b
|
||||
#endif
|
||||
#else
|
||||
#define W_TYPE_SIZE BITS_PER_UNIT
|
||||
#define Wtype QItype
|
||||
#define UWtype UQItype
|
||||
#define HWtype QItype
|
||||
#define UHWtype UQItype
|
||||
#define DWtype HItype
|
||||
#define UDWtype UHItype
|
||||
#ifdef LIBGCC2_GNU_PREFIX
|
||||
#define __NW(a,b) __gnu_ ## a ## qi ## b
|
||||
#define __NDW(a,b) __gnu_ ## a ## hi ## b
|
||||
#else
|
||||
#define __NW(a,b) __ ## a ## qi ## b
|
||||
#define __NDW(a,b) __ ## a ## hi ## b
|
||||
#endif
|
||||
#endif
|
||||
|
||||
typedef int shift_count_type __attribute__((mode (__libgcc_shift_count__)));
|
||||
|
||||
#if __BYTE_ORDER__ != __ORDER_LITTLE_ENDIAN__
|
||||
struct DWstruct {Wtype high, low;};
|
||||
#else
|
||||
struct DWstruct {Wtype low, high;};
|
||||
#endif
|
||||
|
||||
/* We need this union to unpack/pack DImode values, since we don't have
|
||||
any arithmetic yet. Incoming DImode parameters are stored into the
|
||||
`ll' field, and the unpacked result is read from the struct `s'. */
|
||||
|
||||
typedef union {
|
||||
struct DWstruct s;
|
||||
DWtype ll;
|
||||
} DWunion;
|
||||
|
||||
#endif /* __ASM_LIBGCC_H */
|
||||
@ -29,6 +29,7 @@ memcmp:
|
||||
ld.a %r4, [%r0, 8]
|
||||
ld.a %r5, [%r1, 8]
|
||||
brne WORD2, %r12, .Lodd
|
||||
nop
|
||||
.Loop_end:
|
||||
asl_s SHIFT, SHIFT, 3
|
||||
bhs_s .Last_cmp
|
||||
@ -105,6 +106,7 @@ memcmp:
|
||||
ldb.a %r4, [%r0, 2]
|
||||
ldb.a %r5, [%r1, 2]
|
||||
brne %r3, %r12, .Lbyte_odd
|
||||
nop
|
||||
.Lbyte_end:
|
||||
bcc .Lbyte_even
|
||||
brne %r4, %r5, .Lbyte_even
|
||||
|
||||
@ -7,13 +7,3 @@ config SYS_CONFIG_NAME
|
||||
default "arcangel4"
|
||||
|
||||
endif
|
||||
|
||||
if TARGET_ARCANGEL4_BE
|
||||
|
||||
config SYS_VENDOR
|
||||
default "synopsys"
|
||||
|
||||
config SYS_CONFIG_NAME
|
||||
default "arcangel4-be"
|
||||
|
||||
endif
|
||||
|
||||
@ -3,5 +3,4 @@ M: Alexey Brodkin <abrodkin@synopsys.com>
|
||||
S: Maintained
|
||||
F: include/configs/arcangel4.h
|
||||
F: configs/arcangel4_defconfig
|
||||
F: include/configs/arcangel4-be.h
|
||||
F: configs/arcangel4-be_defconfig
|
||||
|
||||
@ -1,3 +1,5 @@
|
||||
CONFIG_ARC=y
|
||||
CONFIG_TARGET_ARCANGEL4_BE=y
|
||||
CONFIG_TARGET_ARCANGEL4=y
|
||||
CONFIG_SYS_CLK_FREQ=70000000
|
||||
CONFIG_CPU_BIG_ENDIAN=y
|
||||
CONFIG_SYS_TEXT_BASE=0x81000000
|
||||
|
||||
@ -1,3 +1,4 @@
|
||||
CONFIG_ARC=y
|
||||
CONFIG_TARGET_ARCANGEL4=y
|
||||
CONFIG_SYS_CLK_FREQ=70000000
|
||||
CONFIG_SYS_TEXT_BASE=0x81000000
|
||||
|
||||
@ -1,3 +1,6 @@
|
||||
CONFIG_ARC=y
|
||||
CONFIG_TARGET_AXS101=y
|
||||
CONFIG_SYS_CLK_FREQ=750000000
|
||||
CONFIG_SYS_CLK_FREQ=750000000
|
||||
CONFIG_ARC_CACHE_LINE_SHIFT=5
|
||||
CONFIG_SYS_DCACHE_OFF=y
|
||||
CONFIG_SYS_TEXT_BASE=0x81000000
|
||||
@ -1,3 +1,5 @@
|
||||
CONFIG_ARC=y
|
||||
CONFIG_TARGET_TB100=y
|
||||
CONFIG_SYS_CLK_FREQ=500000000
|
||||
CONFIG_SYS_CLK_FREQ=500000000
|
||||
CONFIG_ARC_CACHE_LINE_SHIFT=5
|
||||
CONFIG_SYS_TEXT_BASE=0x84000000
|
||||
|
||||
@ -1,91 +0,0 @@
|
||||
/*
|
||||
* Copyright (C) 2013-2014 Synopsys, Inc. All rights reserved.
|
||||
*
|
||||
* SPDX-License-Identifier: GPL-2.0+
|
||||
*/
|
||||
|
||||
#ifndef _CONFIG_ARCANGEL4_H_
|
||||
#define _CONFIG_ARCANGEL4_H_
|
||||
|
||||
/*
|
||||
* CPU configuration
|
||||
*/
|
||||
#define CONFIG_SYS_BIG_ENDIAN
|
||||
#define CONFIG_ARC700
|
||||
#define CONFIG_ARC_MMU_VER 3
|
||||
#define CONFIG_SYS_CACHELINE_SIZE 64
|
||||
#define CONFIG_SYS_TIMER_RATE CONFIG_SYS_CLK_FREQ
|
||||
|
||||
/*
|
||||
* Board configuration
|
||||
*/
|
||||
#define CONFIG_SYS_GENERIC_BOARD
|
||||
#define CONFIG_SKIP_LOWLEVEL_INIT /* U-Boot is in RAM already */
|
||||
|
||||
#define CONFIG_ARCH_EARLY_INIT_R
|
||||
|
||||
/*
|
||||
* Memory configuration
|
||||
*/
|
||||
#define CONFIG_SYS_TEXT_BASE 0x81000000
|
||||
#define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_TEXT_BASE
|
||||
|
||||
#define CONFIG_SYS_DDR_SDRAM_BASE 0x80000000
|
||||
#define CONFIG_SYS_SDRAM_BASE CONFIG_SYS_DDR_SDRAM_BASE
|
||||
#define CONFIG_SYS_SDRAM_SIZE 0x10000000 /* 256 Mb */
|
||||
|
||||
#define CONFIG_SYS_INIT_SP_ADDR \
|
||||
(CONFIG_SYS_SDRAM_BASE + 0x1000 - GENERATED_GBL_DATA_SIZE)
|
||||
|
||||
#define CONFIG_SYS_MALLOC_LEN 0x200000 /* 2 MB */
|
||||
#define CONFIG_SYS_BOOTM_LEN 0x2000000 /* 32 MB */
|
||||
#define CONFIG_SYS_LOAD_ADDR 0x82000000
|
||||
|
||||
#define CONFIG_SYS_NO_FLASH
|
||||
|
||||
/*
|
||||
* UART configuration
|
||||
*
|
||||
*/
|
||||
#define CONFIG_ARC_SERIAL
|
||||
#define CONFIG_ARC_UART_BASE 0xC0FC1000
|
||||
#define CONFIG_BAUDRATE 115200
|
||||
|
||||
/*
|
||||
* Command line configuration
|
||||
*/
|
||||
#include <config_cmd_default.h>
|
||||
|
||||
#define CONFIG_CMD_ELF
|
||||
|
||||
#define CONFIG_OF_LIBFDT
|
||||
|
||||
#define CONFIG_AUTO_COMPLETE
|
||||
#define CONFIG_SYS_MAXARGS 16
|
||||
|
||||
/*
|
||||
* Environment settings
|
||||
*/
|
||||
#define CONFIG_ENV_IS_NOWHERE
|
||||
#define CONFIG_ENV_SIZE 0x00200 /* 512 bytes */
|
||||
#define CONFIG_ENV_OFFSET 0
|
||||
|
||||
/*
|
||||
* Environment configuration
|
||||
*/
|
||||
#define CONFIG_BOOTDELAY 3
|
||||
#define CONFIG_BOOTFILE "uImage"
|
||||
#define CONFIG_BOOTARGS "console=ttyARC0,115200n8"
|
||||
#define CONFIG_LOADADDR CONFIG_SYS_LOAD_ADDR
|
||||
|
||||
/*
|
||||
* Console configuration
|
||||
*/
|
||||
#define CONFIG_SYS_LONGHELP
|
||||
#define CONFIG_SYS_PROMPT "arcangel4# "
|
||||
#define CONFIG_SYS_CBSIZE 256
|
||||
#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE
|
||||
#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + \
|
||||
sizeof(CONFIG_SYS_PROMPT) + 16)
|
||||
|
||||
#endif /* _CONFIG_ARCANGEL4_H_ */
|
||||
@ -10,23 +10,11 @@
|
||||
/*
|
||||
* CPU configuration
|
||||
*/
|
||||
#define CONFIG_ARC700
|
||||
#define CONFIG_ARC_MMU_VER 3
|
||||
#define CONFIG_SYS_CACHELINE_SIZE 64
|
||||
#define CONFIG_SYS_TIMER_RATE CONFIG_SYS_CLK_FREQ
|
||||
|
||||
/*
|
||||
* Board configuration
|
||||
*/
|
||||
#define CONFIG_SYS_GENERIC_BOARD
|
||||
#define CONFIG_SKIP_LOWLEVEL_INIT /* U-Boot is in RAM already */
|
||||
|
||||
#define CONFIG_ARCH_EARLY_INIT_R
|
||||
|
||||
/*
|
||||
* Memory configuration
|
||||
*/
|
||||
#define CONFIG_SYS_TEXT_BASE 0x81000000
|
||||
#define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_TEXT_BASE
|
||||
|
||||
#define CONFIG_SYS_DDR_SDRAM_BASE 0x80000000
|
||||
|
||||
@ -10,22 +10,8 @@
|
||||
/*
|
||||
* CPU configuration
|
||||
*/
|
||||
#define CONFIG_ARC700
|
||||
#define CONFIG_ARC_MMU_VER 3
|
||||
#define CONFIG_SYS_CACHELINE_SIZE 32
|
||||
#define CONFIG_SYS_TIMER_RATE CONFIG_SYS_CLK_FREQ
|
||||
|
||||
/* NAND controller DMA doesn't work correctly with D$ enabled */
|
||||
#define CONFIG_SYS_DCACHE_OFF
|
||||
|
||||
/*
|
||||
* Board configuration
|
||||
*/
|
||||
#define CONFIG_SYS_GENERIC_BOARD
|
||||
#define CONFIG_SKIP_LOWLEVEL_INIT /* U-Boot is in RAM already */
|
||||
|
||||
#define CONFIG_ARCH_EARLY_INIT_R
|
||||
|
||||
#define ARC_FPGA_PERIPHERAL_BASE 0xE0000000
|
||||
#define ARC_APB_PERIPHERAL_BASE 0xF0000000
|
||||
#define ARC_DWMMC_BASE (ARC_FPGA_PERIPHERAL_BASE + 0x15000)
|
||||
@ -34,7 +20,6 @@
|
||||
/*
|
||||
* Memory configuration
|
||||
*/
|
||||
#define CONFIG_SYS_TEXT_BASE 0x81000000
|
||||
#define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_TEXT_BASE
|
||||
|
||||
#define CONFIG_SYS_DDR_SDRAM_BASE 0x80000000
|
||||
|
||||
@ -12,21 +12,11 @@
|
||||
/*
|
||||
* CPU configuration
|
||||
*/
|
||||
#define CONFIG_ARC700
|
||||
#define CONFIG_ARC_MMU_VER 3
|
||||
#define CONFIG_SYS_CACHELINE_SIZE 32
|
||||
#define CONFIG_SYS_TIMER_RATE CONFIG_SYS_CLK_FREQ
|
||||
|
||||
/*
|
||||
* Board configuration
|
||||
*/
|
||||
#define CONFIG_SYS_GENERIC_BOARD
|
||||
#define CONFIG_ARCH_EARLY_INIT_R
|
||||
|
||||
/*
|
||||
* Memory configuration
|
||||
*/
|
||||
#define CONFIG_SYS_TEXT_BASE 0x84000000
|
||||
#define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_TEXT_BASE
|
||||
|
||||
#define CONFIG_SYS_DDR_SDRAM_BASE 0x80000000
|
||||
|
||||
Loading…
Reference in New Issue
Block a user