diff options
| -rw-r--r-- | Kconfig | 2 | ||||
| -rw-r--r-- | arch/Kconfig | 1 | ||||
| -rw-r--r-- | arch/arc/Kconfig | 71 | ||||
| -rw-r--r-- | arch/arc/config.mk | 15 | ||||
| -rw-r--r-- | arch/arc/cpu/arcv1/config.mk | 7 | ||||
| -rw-r--r-- | arch/arc/include/asm/arcregs.h | 6 | ||||
| -rw-r--r-- | arch/arc/include/asm/cache.h | 19 | ||||
| -rw-r--r-- | arch/arc/include/asm/config.h | 2 | ||||
| -rw-r--r-- | arch/arc/lib/Makefile | 2 | ||||
| -rw-r--r-- | arch/arc/lib/_millicodethunk.S | 226 | ||||
| -rw-r--r-- | arch/arc/lib/cache.c | 7 | ||||
| -rw-r--r-- | arch/arc/lib/libgcc2.c | 161 | ||||
| -rw-r--r-- | arch/arc/lib/libgcc2.h | 132 | ||||
| -rw-r--r-- | arch/arc/lib/memcmp.S | 2 | ||||
| -rw-r--r-- | board/synopsys/Kconfig | 10 | ||||
| -rw-r--r-- | board/synopsys/MAINTAINERS | 1 | ||||
| -rw-r--r-- | configs/arcangel4-be_defconfig | 4 | ||||
| -rw-r--r-- | configs/arcangel4_defconfig | 1 | ||||
| -rw-r--r-- | configs/axs101_defconfig | 5 | ||||
| -rw-r--r-- | configs/tb100_defconfig | 4 | ||||
| -rw-r--r-- | include/configs/arcangel4-be.h | 91 | ||||
| -rw-r--r-- | include/configs/arcangel4.h | 12 | ||||
| -rw-r--r-- | include/configs/axs101.h | 15 | ||||
| -rw-r--r-- | include/configs/tb100.h | 10 |
24 files changed, 639 insertions, 167 deletions
@@ -139,7 +139,7 @@ config SYS_EXTRA_OPTIONS new boards should not use this option. config SYS_TEXT_BASE - depends on SPARC + depends on SPARC || ARC hex "Text Base" help TODO: Move CONFIG_SYS_TEXT_BASE for all the architecture diff --git a/arch/Kconfig b/arch/Kconfig index f63cc5a..132123b 100644 --- a/arch/Kconfig +++ b/arch/Kconfig @@ -4,6 +4,7 @@ choice config ARC bool "ARC architecture" + select HAVE_PRIVATE_LIBGCC config ARM bool "ARM architecture" diff --git a/arch/arc/Kconfig b/arch/arc/Kconfig index c6b1efe..a8dc4e2 100644 --- a/arch/arc/Kconfig +++ b/arch/arc/Kconfig @@ -4,10 +4,78 @@ menu "ARC architecture" config SYS_ARCH default "arc" +config USE_PRIVATE_LIBGCC + default y + config SYS_CPU default "arcv1" choice + prompt "CPU selection" + default CPU_ARC770D + +config CPU_ARC750D + bool "ARC 750D" + select ARC_MMU_V2 + help + Choose this option to build an U-Boot for ARC750D CPU. + +config CPU_ARC770D + bool "ARC 770D" + select ARC_MMU_V3 + help + Choose this option to build an U-Boot for ARC770D CPU. + +endchoice + +choice + prompt "MMU Version" + default ARC_MMU_V3 if CPU_ARC770D + default ARC_MMU_V2 if CPU_ARC750D + +config ARC_MMU_V2 + bool "MMU v2" + depends on CPU_ARC750D + help + Fixed the deficiency of v1 - possible thrashing in memcpy sceanrio + when 2 D-TLB and 1 I-TLB entries index into same 2way set. + +config ARC_MMU_V3 + bool "MMU v3" + depends on CPU_ARC770D + help + Introduced with ARC700 4.10: New Features + Variable Page size (1k-16k), var JTLB size 128 x (2 or 4) + Shared Address Spaces (SASID) + +endchoice + +config CPU_BIG_ENDIAN + bool "Enable Big Endian Mode" + default n + help + Build kernel for Big Endian Mode of ARC CPU + +config SYS_ICACHE_OFF + bool "Do not use Instruction Cache" + default n + +config SYS_DCACHE_OFF + bool "Do not use Data Cache" + default n + +config ARC_CACHE_LINE_SHIFT + int "Cache Line Length (as power of 2)" + range 5 7 + default "6" + depends on !SYS_DCACHE_OFF || !SYS_DCACHE_OFF + help + Starting with ARC700 4.9, Cache line length is configurable, + This option specifies "N", with Line-len = 2 power N + So line lengths of 32, 64, 128 are specified by 5,6,7, respectively + Linux only supports same line lengths for I and D caches. + +choice prompt "Target select" config TARGET_TB100 @@ -16,9 +84,6 @@ config TARGET_TB100 config TARGET_ARCANGEL4 bool "Support arcangel4" -config TARGET_ARCANGEL4_BE - bool "Support arcangel4-be" - config TARGET_AXS101 bool "Support axs101" diff --git a/arch/arc/config.mk b/arch/arc/config.mk index 5321987..f1e81b6 100644 --- a/arch/arc/config.mk +++ b/arch/arc/config.mk @@ -4,17 +4,22 @@ # SPDX-License-Identifier: GPL-2.0+ # -ifndef CONFIG_SYS_BIG_ENDIAN +ifndef CONFIG_CPU_BIG_ENDIAN CONFIG_SYS_LITTLE_ENDIAN = 1 +else +CONFIG_SYS_BIG_ENDIAN = 1 endif ifdef CONFIG_SYS_LITTLE_ENDIAN ARC_CROSS_COMPILE := arc-buildroot-linux-uclibc- +PLATFORM_LDFLAGS += -EL +PLATFORM_CPPFLAGS += -mlittle-endian endif ifdef CONFIG_SYS_BIG_ENDIAN ARC_CROSS_COMPILE := arceb-buildroot-linux-uclibc- PLATFORM_LDFLAGS += -EB +PLATFORM_CPPFLAGS += -mbig-endian endif ifeq ($(CROSS_COMPILE),) @@ -25,6 +30,14 @@ ifdef CONFIG_ARC_MMU_VER CONFIG_MMU = 1 endif +ifdef CONFIG_CPU_ARC750D +PLATFORM_CPPFLAGS += -marc700 +endif + +ifdef CONFIG_CPU_ARC770D +PLATFORM_CPPFLAGS += -marc700 -mlock -mswape +endif + PLATFORM_CPPFLAGS += -ffixed-r25 -D__ARC__ -gdwarf-2 # Needed for relocation diff --git a/arch/arc/cpu/arcv1/config.mk b/arch/arc/cpu/arcv1/config.mk deleted file mode 100644 index 3206ff4..0000000 --- a/arch/arc/cpu/arcv1/config.mk +++ /dev/null @@ -1,7 +0,0 @@ -# -# Copyright (C) 2013-2014 Synopsys, Inc. All rights reserved. -# -# SPDX-License-Identifier: GPL-2.0+ -# - -PLATFORM_CPPFLAGS += -mA7 diff --git a/arch/arc/include/asm/arcregs.h b/arch/arc/include/asm/arcregs.h index 8ace87f..6a36a81 100644 --- a/arch/arc/include/asm/arcregs.h +++ b/arch/arc/include/asm/arcregs.h @@ -7,6 +7,8 @@ #ifndef _ASM_ARC_ARCREGS_H #define _ASM_ARC_ARCREGS_H +#include <asm/cache.h> + /* * ARC architecture has additional address space - auxiliary registers. * These registers are mostly used for configuration purposes. @@ -21,7 +23,7 @@ #define ARC_AUX_IC_IVIC 0x10 #define ARC_AUX_IC_CTRL 0x11 #define ARC_AUX_IC_IVIL 0x19 -#if (CONFIG_ARC_MMU_VER > 2) +#if (CONFIG_ARC_MMU_VER == 3) #define ARC_AUX_IC_PTAG 0x1E #endif #define ARC_BCR_IC_BUILD 0x77 @@ -40,7 +42,7 @@ #define ARC_AUX_DC_IVDL 0x4A #define ARC_AUX_DC_FLSH 0x4B #define ARC_AUX_DC_FLDL 0x4C -#if (CONFIG_ARC_MMU_VER > 2) +#if (CONFIG_ARC_MMU_VER == 3) #define ARC_AUX_DC_PTAG 0x5C #endif #define ARC_BCR_DC_BUILD 0x72 diff --git a/arch/arc/include/asm/cache.h b/arch/arc/include/asm/cache.h index 16e7568..2725961 100644 --- a/arch/arc/include/asm/cache.h +++ b/arch/arc/include/asm/cache.h @@ -9,15 +9,18 @@ #include <config.h> -/* - * The current upper bound for ARC L1 data cache line sizes is 128 bytes. - * We use that value for aligning DMA buffers unless the board config has - * specified an alternate cache line size. - */ -#ifdef CONFIG_SYS_CACHELINE_SIZE -#define ARCH_DMA_MINALIGN CONFIG_SYS_CACHELINE_SIZE +#ifdef CONFIG_ARC_CACHE_LINE_SHIFT +#define CONFIG_SYS_CACHELINE_SIZE (1 << CONFIG_ARC_CACHE_LINE_SHIFT) +#define ARCH_DMA_MINALIGN CONFIG_SYS_CACHELINE_SIZE #else -#define ARCH_DMA_MINALIGN 128 +/* Satisfy users of ARCH_DMA_MINALIGN */ +#define ARCH_DMA_MINALIGN 128 +#endif + +#if defined(CONFIG_ARC_MMU_V2) +#define CONFIG_ARC_MMU_VER 2 +#elif defined(CONFIG_ARC_MMU_V3) +#define CONFIG_ARC_MMU_VER 3 #endif #endif /* __ASM_ARC_CACHE_H */ diff --git a/arch/arc/include/asm/config.h b/arch/arc/include/asm/config.h index e5be078..b4e9099 100644 --- a/arch/arc/include/asm/config.h +++ b/arch/arc/include/asm/config.h @@ -7,8 +7,10 @@ #ifndef __ASM_ARC_CONFIG_H_ #define __ASM_ARC_CONFIG_H_ +#define CONFIG_SYS_GENERIC_BOARD #define CONFIG_SYS_GENERIC_GLOBAL_DATA #define CONFIG_SYS_BOOT_RAMDISK_HIGH +#define CONFIG_ARCH_EARLY_INIT_R #define CONFIG_LMB diff --git a/arch/arc/lib/Makefile b/arch/arc/lib/Makefile index bae4419..b8028c9 100644 --- a/arch/arc/lib/Makefile +++ b/arch/arc/lib/Makefile @@ -20,3 +20,5 @@ obj-y += reset.o obj-y += timer.o obj-$(CONFIG_CMD_BOOTM) += bootm.o + +lib-$(CONFIG_USE_PRIVATE_LIBGCC) += _millicodethunk.o libgcc2.o diff --git a/arch/arc/lib/_millicodethunk.S b/arch/arc/lib/_millicodethunk.S new file mode 100644 index 0000000..b332416 --- /dev/null +++ b/arch/arc/lib/_millicodethunk.S @@ -0,0 +1,226 @@ +/* + * Copyright (C) 1995, 1997, 2007-2013 Free Software Foundation, Inc. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + + /* ANSI concatenation macros. */ + + #define CONCAT1(a, b) CONCAT2(a, b) + #define CONCAT2(a, b) a ## b + + /* Use the right prefix for global labels. */ + + #define SYM(x) CONCAT1 (__USER_LABEL_PREFIX__, x) + +#ifndef WORKING_ASSEMBLER +#define abs_l abs +#define asl_l asl +#define mov_l mov +#endif + +#define FUNC(X) .type SYM(X),@function +#define HIDDEN_FUNC(X) FUNC(X)` .hidden X +#define ENDFUNC0(X) .Lfe_##X: .size X,.Lfe_##X-X +#define ENDFUNC(X) ENDFUNC0(X) + + .section .text + .align 4 + .global SYM(__st_r13_to_r15) + .global SYM(__st_r13_to_r16) + .global SYM(__st_r13_to_r17) + .global SYM(__st_r13_to_r18) + .global SYM(__st_r13_to_r19) + .global SYM(__st_r13_to_r20) + .global SYM(__st_r13_to_r21) + .global SYM(__st_r13_to_r22) + .global SYM(__st_r13_to_r23) + .global SYM(__st_r13_to_r24) + .global SYM(__st_r13_to_r25) + HIDDEN_FUNC(__st_r13_to_r15) + HIDDEN_FUNC(__st_r13_to_r16) + HIDDEN_FUNC(__st_r13_to_r17) + HIDDEN_FUNC(__st_r13_to_r18) + HIDDEN_FUNC(__st_r13_to_r19) + HIDDEN_FUNC(__st_r13_to_r20) + HIDDEN_FUNC(__st_r13_to_r21) + HIDDEN_FUNC(__st_r13_to_r22) + HIDDEN_FUNC(__st_r13_to_r23) + HIDDEN_FUNC(__st_r13_to_r24) + HIDDEN_FUNC(__st_r13_to_r25) + .align 4 +SYM(__st_r13_to_r25): + st r25, [sp,48] +SYM(__st_r13_to_r24): + st r24, [sp,44] +SYM(__st_r13_to_r23): + st r23, [sp,40] +SYM(__st_r13_to_r22): + st r22, [sp,36] +SYM(__st_r13_to_r21): + st r21, [sp,32] +SYM(__st_r13_to_r20): + st r20, [sp,28] +SYM(__st_r13_to_r19): + st r19, [sp,24] +SYM(__st_r13_to_r18): + st r18, [sp,20] +SYM(__st_r13_to_r17): + st r17, [sp,16] +SYM(__st_r13_to_r16): + st r16, [sp,12] +SYM(__st_r13_to_r15): +#ifdef __ARC700__ + st r15, [sp,8] ; minimum function size to avoid stall: 6 bytes. +#else + st_s r15, [sp,8] +#endif + st_s r14, [sp,4] + j_s.d [%blink] + st_s r13, [sp,0] + ENDFUNC(__st_r13_to_r15) + ENDFUNC(__st_r13_to_r16) + ENDFUNC(__st_r13_to_r17) + ENDFUNC(__st_r13_to_r18) + ENDFUNC(__st_r13_to_r19) + ENDFUNC(__st_r13_to_r20) + ENDFUNC(__st_r13_to_r21) + ENDFUNC(__st_r13_to_r22) + ENDFUNC(__st_r13_to_r23) + ENDFUNC(__st_r13_to_r24) + ENDFUNC(__st_r13_to_r25) + + .section .text + .align 4 +; ================================== +; the loads + + .global SYM(__ld_r13_to_r15) + .global SYM(__ld_r13_to_r16) + .global SYM(__ld_r13_to_r17) + .global SYM(__ld_r13_to_r18) + .global SYM(__ld_r13_to_r19) + .global SYM(__ld_r13_to_r20) + .global SYM(__ld_r13_to_r21) + .global SYM(__ld_r13_to_r22) + .global SYM(__ld_r13_to_r23) + .global SYM(__ld_r13_to_r24) + .global SYM(__ld_r13_to_r25) + HIDDEN_FUNC(__ld_r13_to_r15) + 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) diff --git a/arch/arc/lib/cache.c b/arch/arc/lib/cache.c index fa19a13..a227723 100644 --- a/arch/arc/lib/cache.c +++ b/arch/arc/lib/cache.c @@ -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); diff --git a/arch/arc/lib/libgcc2.c b/arch/arc/lib/libgcc2.c new file mode 100644 index 0000000..d5ad327 --- /dev/null +++ b/arch/arc/lib/libgcc2.c @@ -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); +} diff --git a/arch/arc/lib/libgcc2.h b/arch/arc/lib/libgcc2.h new file mode 100644 index 0000000..8813c3b --- /dev/null +++ b/arch/arc/lib/libgcc2.h @@ -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 */ diff --git a/arch/arc/lib/memcmp.S b/arch/arc/lib/memcmp.S index fa5aac5..87bccab 100644 --- a/arch/arc/lib/memcmp.S +++ b/arch/arc/lib/memcmp.S @@ -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 diff --git a/board/synopsys/Kconfig b/board/synopsys/Kconfig index f614f88..8ab48cd 100644 --- a/board/synopsys/Kconfig +++ b/board/synopsys/Kconfig @@ -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 diff --git a/board/synopsys/MAINTAINERS b/board/synopsys/MAINTAINERS index 720edd8..43114ce 100644 --- a/board/synopsys/MAINTAINERS +++ b/board/synopsys/MAINTAINERS @@ -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 diff --git a/configs/arcangel4-be_defconfig b/configs/arcangel4-be_defconfig index 0c3ab4e..979f26e 100644 --- a/configs/arcangel4-be_defconfig +++ b/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 diff --git a/configs/arcangel4_defconfig b/configs/arcangel4_defconfig index a63ef21..797595f 100644 --- a/configs/arcangel4_defconfig +++ b/configs/arcangel4_defconfig @@ -1,3 +1,4 @@ CONFIG_ARC=y CONFIG_TARGET_ARCANGEL4=y CONFIG_SYS_CLK_FREQ=70000000 +CONFIG_SYS_TEXT_BASE=0x81000000 diff --git a/configs/axs101_defconfig b/configs/axs101_defconfig index 5c0ca11..34ed963 100644 --- a/configs/axs101_defconfig +++ b/configs/axs101_defconfig @@ -1,3 +1,6 @@ CONFIG_ARC=y CONFIG_TARGET_AXS101=y -CONFIG_SYS_CLK_FREQ=750000000
\ No newline at end of file +CONFIG_SYS_CLK_FREQ=750000000 +CONFIG_ARC_CACHE_LINE_SHIFT=5 +CONFIG_SYS_DCACHE_OFF=y +CONFIG_SYS_TEXT_BASE=0x81000000
\ No newline at end of file diff --git a/configs/tb100_defconfig b/configs/tb100_defconfig index d2de03b..b0e8c9f 100644 --- a/configs/tb100_defconfig +++ b/configs/tb100_defconfig @@ -1,3 +1,5 @@ CONFIG_ARC=y CONFIG_TARGET_TB100=y -CONFIG_SYS_CLK_FREQ=500000000
\ No newline at end of file +CONFIG_SYS_CLK_FREQ=500000000 +CONFIG_ARC_CACHE_LINE_SHIFT=5 +CONFIG_SYS_TEXT_BASE=0x84000000 diff --git a/include/configs/arcangel4-be.h b/include/configs/arcangel4-be.h deleted file mode 100644 index 76163ab..0000000 --- a/include/configs/arcangel4-be.h +++ /dev/null @@ -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_ */ diff --git a/include/configs/arcangel4.h b/include/configs/arcangel4.h index 81934a4..5e4097f 100644 --- a/include/configs/arcangel4.h +++ b/include/configs/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 diff --git a/include/configs/axs101.h b/include/configs/axs101.h index c61ddd6..5fb8aca 100644 --- a/include/configs/axs101.h +++ b/include/configs/axs101.h @@ -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 diff --git a/include/configs/tb100.h b/include/configs/tb100.h index e9218f7..46df406 100644 --- a/include/configs/tb100.h +++ b/include/configs/tb100.h @@ -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 |