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authorSascha Hauer <s.hauer@pengutronix.de>2019-09-11 09:15:40 +0200
committerSascha Hauer <s.hauer@pengutronix.de>2019-09-12 10:29:51 +0200
commitad978a160b990fda56daae8a78511f39552a784b (patch)
tree14c2ae7bae29a369b8679251cbe2f01d65c104e7 /arch/blackfin/lib
parentfc45db983faa9b6731c2c57d117339c0063778b4 (diff)
downloadbarebox-ad978a160b990fda56daae8a78511f39552a784b.tar.gz
barebox-ad978a160b990fda56daae8a78511f39552a784b.tar.xz
Blackfin: Remove architecture
Blackfin is dead and already removed from the Kernel. Remove it from barebox as well. RIP. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'arch/blackfin/lib')
-rw-r--r--arch/blackfin/lib/Makefile18
-rw-r--r--arch/blackfin/lib/ashldi3.c55
-rw-r--r--arch/blackfin/lib/ashrdi3.c36
-rw-r--r--arch/blackfin/lib/asm-offsets.c12
-rw-r--r--arch/blackfin/lib/bf533_string.c181
-rw-r--r--arch/blackfin/lib/blackfin_linux.c82
-rw-r--r--arch/blackfin/lib/board.c48
-rw-r--r--arch/blackfin/lib/clock.c77
-rw-r--r--arch/blackfin/lib/cpu.c140
-rw-r--r--arch/blackfin/lib/divsi3.S212
-rw-r--r--arch/blackfin/lib/flush.S402
-rw-r--r--arch/blackfin/lib/gcclib.h44
-rw-r--r--arch/blackfin/lib/interrupt.S92
-rw-r--r--arch/blackfin/lib/lshrdi3.c69
-rw-r--r--arch/blackfin/lib/modsi3.S76
-rw-r--r--arch/blackfin/lib/module.c306
-rw-r--r--arch/blackfin/lib/muldi3.c75
-rw-r--r--arch/blackfin/lib/smulsi3_highpart.S30
-rw-r--r--arch/blackfin/lib/traps.c107
-rw-r--r--arch/blackfin/lib/udivsi3.S294
-rw-r--r--arch/blackfin/lib/umodsi3.S63
-rw-r--r--arch/blackfin/lib/umulsi3_highpart.S23
22 files changed, 0 insertions, 2442 deletions
diff --git a/arch/blackfin/lib/Makefile b/arch/blackfin/lib/Makefile
deleted file mode 100644
index cefb4dc89f..0000000000
--- a/arch/blackfin/lib/Makefile
+++ /dev/null
@@ -1,18 +0,0 @@
-obj-y += blackfin_linux.o
-obj-y += board.o
-obj-y += clock.o
-obj-y += muldi3.o
-obj-y += udivsi3.o
-obj-y += umulsi3_highpart.o
-obj-y += smulsi3_highpart.o
-obj-y += umodsi3.o
-obj-y += lshrdi3.o
-obj-y += ashldi3.o
-obj-y += ashrdi3.o
-obj-y += divsi3.o
-obj-y += modsi3.o
-obj-y += cpu.o
-obj-y += flush.o
-obj-y += interrupt.o
-obj-y += traps.o
-obj-$(CONFIG_MODULES) += module.o
diff --git a/arch/blackfin/lib/ashldi3.c b/arch/blackfin/lib/ashldi3.c
deleted file mode 100644
index 1b8c4c2efb..0000000000
--- a/arch/blackfin/lib/ashldi3.c
+++ /dev/null
@@ -1,55 +0,0 @@
-/*
- * File: arch/blackfin/lib/ashldi3.c
- * Based on:
- * Author:
- *
- * Created:
- * Description:
- *
- * Rev: $Id: ashldi3.c 2775 2007-02-21 13:58:44Z hennerich $
- *
- * Modified:
- * Copyright 2004-2006 Analog Devices Inc.
- *
- * Bugs: Enter bugs at http://blackfin.uclinux.org/
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- */
-
-#include "gcclib.h"
-
-#ifdef CONFIG_ARITHMETIC_OPS_L1
-DItype __ashldi3(DItype u, word_type b)__attribute__((l1_text));
-#endif
-
-DItype __ashldi3(DItype u, word_type b)
-{
- DIunion w;
- word_type bm;
- DIunion uu;
-
- if (b == 0)
- return u;
-
- uu.ll = u;
-
- bm = (sizeof(SItype) * BITS_PER_UNIT) - b;
- if (bm <= 0) {
- w.s.low = 0;
- w.s.high = (USItype) uu.s.low << -bm;
- } else {
- USItype carries = (USItype) uu.s.low >> bm;
- w.s.low = (USItype) uu.s.low << b;
- w.s.high = ((USItype) uu.s.high << b) | carries;
- }
-
- return w.ll;
-}
diff --git a/arch/blackfin/lib/ashrdi3.c b/arch/blackfin/lib/ashrdi3.c
deleted file mode 100644
index b5b351e82e..0000000000
--- a/arch/blackfin/lib/ashrdi3.c
+++ /dev/null
@@ -1,36 +0,0 @@
-/*
- * Copyright 2004-2009 Analog Devices Inc.
- *
- * Licensed under the GPL-2 or later.
- */
-
-#include "gcclib.h"
-
-#ifdef CONFIG_ARITHMETIC_OPS_L1
-DItype __ashrdi3(DItype u, word_type b)__attribute__((l1_text));
-#endif
-
-DItype __ashrdi3(DItype u, word_type b)
-{
- DIunion w;
- word_type bm;
- DIunion uu;
-
- if (b == 0)
- return u;
-
- uu.ll = u;
-
- bm = (sizeof(SItype) * BITS_PER_UNIT) - b;
- if (bm <= 0) {
- /* w.s.high = 1..1 or 0..0 */
- w.s.high = uu.s.high >> (sizeof(SItype) * BITS_PER_UNIT - 1);
- w.s.low = uu.s.high >> -bm;
- } else {
- USItype carries = (USItype) uu.s.high << bm;
- w.s.high = uu.s.high >> b;
- w.s.low = ((USItype) uu.s.low >> b) | carries;
- }
-
- return w.ll;
-}
diff --git a/arch/blackfin/lib/asm-offsets.c b/arch/blackfin/lib/asm-offsets.c
deleted file mode 100644
index 9003c736ff..0000000000
--- a/arch/blackfin/lib/asm-offsets.c
+++ /dev/null
@@ -1,12 +0,0 @@
-/*
- * generate definitions needed by assembly language modules
- *
- * Licensed under the GPL-2 or later
- */
-
-#include <linux/kbuild.h>
-
-int main(void)
-{
- return 0;
-}
diff --git a/arch/blackfin/lib/bf533_string.c b/arch/blackfin/lib/bf533_string.c
deleted file mode 100644
index 860ee921c8..0000000000
--- a/arch/blackfin/lib/bf533_string.c
+++ /dev/null
@@ -1,181 +0,0 @@
-/*
- * barebox - bf533_string.c Contains library routines.
- *
- * Copyright (c) 2005 blackfin.uclinux.org
- *
- * (C) Copyright 2000-2004
- * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- */
-
-#include <common.h>
-#include <asm/setup.h>
-#include <asm/page.h>
-#include <asm/cpu/defBF533.h>
-
-void *dma_memcpy(void *,const void *,size_t);
-
-char *strcpy(char *dest, const char *src)
-{
- char *xdest = dest;
- char temp = 0;
-
- __asm__ __volatile__
- ("1:\t%2 = B [%1++] (Z);\n\t"
- "B [%0++] = %2;\n\t"
- "CC = %2;\n\t"
- "if cc jump 1b (bp);\n":"=a"(dest), "=a"(src), "=d"(temp)
- :"0"(dest), "1"(src), "2"(temp):"memory");
-
- return xdest;
-}
-
-char *strncpy(char *dest, const char *src, size_t n)
-{
- char *xdest = dest;
- char temp = 0;
-
- if (n == 0)
- return xdest;
-
- __asm__ __volatile__
- ("1:\t%3 = B [%1++] (Z);\n\t"
- "B [%0++] = %3;\n\t"
- "CC = %3;\n\t"
- "if ! cc jump 2f;\n\t"
- "%2 += -1;\n\t"
- "CC = %2 == 0;\n\t"
- "if ! cc jump 1b (bp);\n"
- "2:\n":"=a"(dest), "=a"(src), "=da"(n), "=d"(temp)
- :"0"(dest), "1"(src), "2"(n), "3"(temp)
- :"memory");
-
- return xdest;
-}
-
-int strcmp(const char *cs, const char *ct)
-{
- char __res1, __res2;
-
- __asm__
- ("1:\t%2 = B[%0++] (Z);\n\t" /* get *cs */
- "%3 = B[%1++] (Z);\n\t" /* get *ct */
- "CC = %2 == %3;\n\t" /* compare a byte */
- "if ! cc jump 2f;\n\t" /* not equal, break out */
- "CC = %2;\n\t" /* at end of cs? */
- "if cc jump 1b (bp);\n\t" /* no, keep going */
- "jump.s 3f;\n" /* strings are equal */
- "2:\t%2 = %2 - %3;\n" /* *cs - *ct */
- "3:\n": "=a"(cs), "=a"(ct), "=d"(__res1),
- "=d"(__res2)
- : "0"(cs), "1"(ct));
-
- return __res1;
-}
-
-int strncmp(const char *cs, const char *ct, size_t count)
-{
- char __res1, __res2;
-
- if (!count)
- return 0;
-
- __asm__
- ("1:\t%3 = B[%0++] (Z);\n\t" /* get *cs */
- "%4 = B[%1++] (Z);\n\t" /* get *ct */
- "CC = %3 == %4;\n\t" /* compare a byte */
- "if ! cc jump 3f;\n\t" /* not equal, break out */
- "CC = %3;\n\t" /* at end of cs? */
- "if ! cc jump 4f;\n\t" /* yes, all done */
- "%2 += -1;\n\t" /* no, adjust count */
- "CC = %2 == 0;\n\t" "if ! cc jump 1b;\n" /* more to do, keep going */
- "2:\t%3 = 0;\n\t" /* strings are equal */
- "jump.s 4f;\n" "3:\t%3 = %3 - %4;\n" /* *cs - *ct */
- "4:": "=a"(cs), "=a"(ct), "=da"(count), "=d"(__res1),
- "=d"(__res2)
- : "0"(cs), "1"(ct), "2"(count));
-
- return __res1;
-}
-
-/*
- * memcpy - Copy one area of memory to another
- * @dest: Where to copy to
- * @src: Where to copy from
- * @count: The size of the area.
- *
- * You should not use this function to access IO space, use memcpy_toio()
- * or memcpy_fromio() instead.
- */
-void * memcpy(void * dest,const void *src,size_t count)
-{
- char *tmp = (char *) dest, *s = (char *) src;
-
-/* Turn off the cache, if destination in the L1 memory */
- if ( (tmp >= (char *)L1_ISRAM) && (tmp < (char *)L1_ISRAM_END)
- || (tmp >= (char *)DATA_BANKA_SRAM) && (tmp < DATA_BANKA_SRAM_END)
- || (tmp >= (char *)DATA_BANKB_SRAM) && (tmp < DATA_BANKB_SRAM_END) ){
- if(icache_status()){
- blackfin_icache_flush_range(src, src+count);
- icache_disable();
- }
- if(dcache_status()){
- blackfin_dcache_flush_range(src, src+count);
- dcache_disable();
- }
- dma_memcpy(dest,src,count);
- }else{
- while(count--)
- *tmp++ = *s++;
- }
- return dest;
-}
-
-void *dma_memcpy(void * dest,const void *src,size_t count)
-{
-
- *pMDMA_D0_IRQ_STATUS = DMA_DONE | DMA_ERR;
-
- /* Copy sram functions from sdram to sram */
- /* Setup destination start address */
- *pMDMA_D0_START_ADDR = (volatile void **)dest;
- /* Setup destination xcount */
- *pMDMA_D0_X_COUNT = count ;
- /* Setup destination xmodify */
- *pMDMA_D0_X_MODIFY = 1;
-
- /* Setup Source start address */
- *pMDMA_S0_START_ADDR = (volatile void **)src;
- /* Setup Source xcount */
- *pMDMA_S0_X_COUNT = count;
- /* Setup Source xmodify */
- *pMDMA_S0_X_MODIFY = 1;
-
- /* Enable source DMA */
- *pMDMA_S0_CONFIG = (DMAEN);
- asm("ssync;");
-
- *pMDMA_D0_CONFIG = ( WNR | DMAEN);
-
- while(*pMDMA_D0_IRQ_STATUS & DMA_RUN){
- *pMDMA_D0_IRQ_STATUS |= (DMA_DONE | DMA_ERR);
- }
- *pMDMA_D0_IRQ_STATUS |= (DMA_DONE | DMA_ERR);
-
- dest += count;
-
- return dest;
-}
diff --git a/arch/blackfin/lib/blackfin_linux.c b/arch/blackfin/lib/blackfin_linux.c
deleted file mode 100644
index 5ebd284d16..0000000000
--- a/arch/blackfin/lib/blackfin_linux.c
+++ /dev/null
@@ -1,82 +0,0 @@
-/*
- * barebox - blackfin_linux.c
- *
- * Copyright (c) 2005 blackfin.uclinux.org
- *
- * (C) Copyright 2000-2004
- * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- */
-
-/* Dummy functions, currently not in Use */
-
-#include <common.h>
-#include <command.h>
-#include <image.h>
-#include <environment.h>
-#include <asm/byteorder.h>
-#include <asm/cpu.h>
-#include <asm/blackfin.h>
-#include <errno.h>
-#include <init.h>
-#include <boot.h>
-#include <bootm.h>
-
-#define CMD_LINE_ADDR 0xFF900000 /* L1 scratchpad */
-
-static int do_bootm_linux(struct image_data *idata)
-{
- int (*appl)(char *cmdline);
- const char *cmdline = linux_bootargs_get();
- char *cmdlinedest = (char *) CMD_LINE_ADDR;
- int ret;
-
- ret = bootm_load_os(idata, idata->os_address);
- if (ret)
- return ret;
-
- appl = (void *)(idata->os_address + idata->os_entry);
- printf("Starting Kernel at 0x%p\n", appl);
-
- if (idata->dryrun)
- return 0;
-
- icache_disable();
-
- strncpy(cmdlinedest, cmdline, 0x1000);
- cmdlinedest[0xfff] = 0;
-
- *(volatile unsigned long *) IMASK = 0x1f;
-
- (*appl)(cmdlinedest);
-
- return -1;
-}
-
-static struct image_handler handler = {
- .name = "Blackfin Linux",
- .bootm = do_bootm_linux,
- .filetype = filetype_uimage,
- .ih_os = IH_OS_LINUX,
-};
-
-static int bfinlinux_register_image_handler(void)
-{
- return register_image_handler(&handler);
-}
-
-late_initcall(bfinlinux_register_image_handler);
-
diff --git a/arch/blackfin/lib/board.c b/arch/blackfin/lib/board.c
deleted file mode 100644
index 3a04f28caf..0000000000
--- a/arch/blackfin/lib/board.c
+++ /dev/null
@@ -1,48 +0,0 @@
-/*
- * barebox - board.c First C file to be called contains init routines
- *
- * Copyright (c) 2005 blackfin.uclinux.org
- *
- * (C) Copyright 2000-2004
- * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- */
-
-#include <common.h>
-#include <command.h>
-#include <malloc.h>
-#include <net.h>
-#include <init.h>
-#include <environment.h>
-#include <memory.h>
-#include <asm/cpu.h>
-#include <asm-generic/memory_layout.h>
-
-void __noreturn blackfin_start_barebox(void)
-{
- mem_malloc_init((void *)(MALLOC_BASE),
- (void *)(MALLOC_BASE + MALLOC_SIZE - 1));
- start_barebox();
-}
-
-/* We have to disable instruction cache before
- * executing an external program
- */
-static void arch_shutdown(void)
-{
- icache_disable();
-}
-archshutdown_exitcall(arch_shutdown);
diff --git a/arch/blackfin/lib/clock.c b/arch/blackfin/lib/clock.c
deleted file mode 100644
index aaa042a33a..0000000000
--- a/arch/blackfin/lib/clock.c
+++ /dev/null
@@ -1,77 +0,0 @@
-
-#include <common.h>
-#include <clock.h>
-#include <init.h>
-#include <asm/blackfin.h>
-#include <asm/cpu/cdef_LPBlackfin.h>
-
-static ulong get_vco(void)
-{
- ulong msel;
- ulong vco;
-
- msel = (*pPLL_CTL >> 9) & 0x3F;
- if (0 == msel)
- msel = 64;
-
- vco = CONFIG_CLKIN_HZ;
- vco >>= (1 & *pPLL_CTL); /* DF bit */
- vco = msel * vco;
- return vco;
-}
-
-/* Get the Core clock */
-ulong get_cclk(void)
-{
- ulong csel, ssel;
- if (*pPLL_STAT & 0x1)
- return CONFIG_CLKIN_HZ;
-
- ssel = *pPLL_DIV;
- csel = ((ssel >> 4) & 0x03);
- ssel &= 0xf;
- if (ssel && ssel < (1 << csel)) /* SCLK > CCLK */
- return get_vco() / ssel;
- return get_vco() >> csel;
-}
-
-/* Get the System clock */
-ulong get_sclk(void)
-{
- ulong ssel;
-
- if (*pPLL_STAT & 0x1)
- return CONFIG_CLKIN_HZ;
-
- ssel = (*pPLL_DIV & 0xf);
-
- return get_vco() / ssel;
-}
-
-static uint64_t blackfin_clocksource_read(void)
-{
- return ~(*pTCOUNT);
-}
-
-static struct clocksource cs = {
- .read = blackfin_clocksource_read,
- .mask = CLOCKSOURCE_MASK(32),
- .shift = 10,
-};
-
-static int clocksource_init (void)
-{
- *pTCNTL = 0x1;
- *pTSCALE = 0x0;
- *pTCOUNT = ~0;
- *pTPERIOD = ~0;
- *pTCNTL = 0x7;
- asm("CSYNC;");
-
- cs.mult = clocksource_hz2mult(get_cclk(), cs.shift);
-
- return init_clock(&cs);
-}
-
-core_initcall(clocksource_init);
-
diff --git a/arch/blackfin/lib/cpu.c b/arch/blackfin/lib/cpu.c
deleted file mode 100644
index 34b93e78ac..0000000000
--- a/arch/blackfin/lib/cpu.c
+++ /dev/null
@@ -1,140 +0,0 @@
-/*
- * barebox - cpu.c CPU specific functions
- *
- * Copyright (c) 2005 blackfin.uclinux.org
- *
- * (C) Copyright 2000-2004
- * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- */
-
-#include <common.h>
-#include <asm/blackfin.h>
-#include <command.h>
-#include <asm/entry.h>
-#include <asm/cpu.h>
-#include <init.h>
-#include <restart.h>
-
-static void __noreturn blackfin_restart_cpu(struct restart_handler *rst)
-{
- icache_disable();
-
- __asm__ __volatile__
- ("cli r3;"
- "P0 = %0;"
- "JUMP (P0);"
- :
- : "r" (L1_ISRAM)
- );
-
- /* Not reached */
- hang();
-}
-
-static int restart_register_feature(void)
-{
- restart_handler_register_fn(blackfin_restart_cpu);
-
- return 0;
-}
-coredevice_initcall(restart_register_feature);
-
-void icache_disable(void)
-{
-#ifdef __ADSPBF537__
- if ((*pCHIPID >> 28) < 2)
- return;
-#endif
- __builtin_bfin_ssync();
- asm(" .align 8; ");
- *(unsigned int *)IMEM_CONTROL &= ~(IMC | ENICPLB);
- __builtin_bfin_ssync();
-}
-
-void icache_enable(void)
-{
- unsigned int *I0, *I1;
- int j = 0;
-#ifdef __ADSPBF537__
- if ((*pCHIPID >> 28) < 2)
- return;
-#endif
- /* Before enable icache, disable it first */
- icache_disable();
-
- I0 = (unsigned int *)ICPLB_ADDR0;
- I1 = (unsigned int *)ICPLB_DATA0;
-
- /* We only setup instruction caching for barebox itself.
- * This has the nice side effect that we trigger an
- * exception when barebox goes crazy.
- */
- *I0++ = TEXT_BASE & ~((1 << 20) - 1);
- *I1++ = PAGE_SIZE_1MB | CPLB_L1_CHBL | CPLB_USER_RD | CPLB_VALID | CPLB_LOCK;
- j++;
-
- /* Fill the rest with invalid entry */
- for ( ; j < 16 ; j++) {
- debug("filling %i with 0\n",j);
- *I1++ = 0x0;
- }
-
- __builtin_bfin_ssync();
- asm(" .align 8; ");
- *(unsigned int *)IMEM_CONTROL = IMC | ENICPLB;
- __builtin_bfin_ssync();
-}
-
-int icache_status(void)
-{
- unsigned int value;
- value = *(unsigned int *)IMEM_CONTROL;
-
- if (value & (IMC | ENICPLB))
- return 1;
- else
- return 0;
-}
-
-static void blackfin_init_exceptions(void)
-{
- *(unsigned volatile long *) (SIC_IMASK) = SIC_UNMASK_ALL;
-#ifndef CONFIG_KGDB
- *(unsigned volatile long *) (EVT_EMULATION_ADDR) = 0x0;
-#endif
- *(unsigned volatile long *) (EVT_NMI_ADDR) =
- (unsigned volatile long) evt_nmi;
- *(unsigned volatile long *) (EVT_EXCEPTION_ADDR) =
- (unsigned volatile long) trap;
- *(unsigned volatile long *) (EVT_HARDWARE_ERROR_ADDR) =
- (unsigned volatile long) evt_ivhw;
- *(volatile unsigned long *) ILAT = 0;
- asm("csync;");
- *(volatile unsigned long *) IMASK = 0x3f;
- asm("csync;");
-}
-
-static int blackfin_init_core(void)
-{
- blackfin_init_exceptions();
- icache_enable();
-
- return 0;
-}
-
-core_initcall(blackfin_init_core);
-
diff --git a/arch/blackfin/lib/divsi3.S b/arch/blackfin/lib/divsi3.S
deleted file mode 100644
index 32eb7c8de1..0000000000
--- a/arch/blackfin/lib/divsi3.S
+++ /dev/null
@@ -1,212 +0,0 @@
-/*
- * File: arch/blackfin/lib/divsi3.S
- * Based on:
- * Author:
- *
- * Created:
- * Description: 16 / 32 bit signed division.
- * Special cases :
- * 1) If(numerator == 0)
- * return 0
- * 2) If(denominator ==0)
- * return positive max = 0x7fffffff
- * 3) If(numerator == denominator)
- * return 1
- * 4) If(denominator ==1)
- * return numerator
- * 5) If(denominator == -1)
- * return -numerator
- *
- * Operand : R0 - Numerator (i)
- * R1 - Denominator (i)
- * R0 - Quotient (o)
- * Registers Used : R2-R7,P0-P2
- * Rev: $Id: divsi3.S 2794 2007-03-05 05:27:47Z cooloney $
- *
- * Modified:
- * Copyright 2004-2006 Analog Devices Inc.
- *
- * Bugs: Enter bugs at http://blackfin.uclinux.org/
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- */
-
-.global ___divsi3;
-
-#ifdef CONFIG_ARITHMETIC_OPS_L1
-.section .l1.text
-#else
-.text
-#endif
-
-.align 2;
-___divsi3 :
-
-
- R3 = R0 ^ R1;
- R0 = ABS R0;
-
- CC = V;
-
- r3 = rot r3 by -1;
- r1 = abs r1; /* now both positive, r3.30 means "negate result",
- ** r3.31 means overflow, add one to result
- */
- cc = r0 < r1;
- if cc jump .Lret_zero;
- r2 = r1 >> 15;
- cc = r2;
- if cc jump .Lidents;
- r2 = r1 << 16;
- cc = r2 <= r0;
- if cc jump .Lidents;
-
- DIVS(R0, R1);
- DIVQ(R0, R1);
- DIVQ(R0, R1);
- DIVQ(R0, R1);
- DIVQ(R0, R1);
- DIVQ(R0, R1);
- DIVQ(R0, R1);
- DIVQ(R0, R1);
- DIVQ(R0, R1);
- DIVQ(R0, R1);
- DIVQ(R0, R1);
- DIVQ(R0, R1);
- DIVQ(R0, R1);
- DIVQ(R0, R1);
- DIVQ(R0, R1);
- DIVQ(R0, R1);
- DIVQ(R0, R1);
-
- R0 = R0.L (Z);
- r1 = r3 >> 31; /* add overflow issue back in */
- r0 = r0 + r1;
- r1 = -r0;
- cc = bittst(r3, 30);
- if cc r0 = r1;
- RTS;
-
-/* Can't use the primitives. Test common identities.
-** If the identity is true, return the value in R2.
-*/
-
-.Lidents:
- CC = R1 == 0; /* check for divide by zero */
- IF CC JUMP .Lident_return;
-
- CC = R0 == 0; /* check for division of zero */
- IF CC JUMP .Lzero_return;
-
- CC = R0 == R1; /* check for identical operands */
- IF CC JUMP .Lident_return;
-
- CC = R1 == 1; /* check for divide by 1 */
- IF CC JUMP .Lident_return;
-
- R2.L = ONES R1;
- R2 = R2.L (Z);
- CC = R2 == 1;
- IF CC JUMP .Lpower_of_two;
-
- /* Identities haven't helped either.
- ** Perform the full division process.
- */
-
- P1 = 31; /* Set loop counter */
-
- [--SP] = (R7:5); /* Push registers R5-R7 */
- R2 = -R1;
- [--SP] = R2;
- R2 = R0 << 1; /* R2 lsw of dividend */
- R6 = R0 ^ R1; /* Get sign */
- R5 = R6 >> 31; /* Shift sign to LSB */
-
- R0 = 0 ; /* Clear msw partial remainder */
- R2 = R2 | R5; /* Shift quotient bit */
- R6 = R0 ^ R1; /* Get new quotient bit */
-
- LSETUP(.Llst,.Llend) LC0 = P1; /* Setup loop */
-.Llst: R7 = R2 >> 31; /* record copy of carry from R2 */
- R2 = R2 << 1; /* Shift 64 bit dividend up by 1 bit */
- R0 = R0 << 1 || R5 = [SP];
- R0 = R0 | R7; /* and add carry */
- CC = R6 < 0; /* Check quotient(AQ) */
- /* we might be subtracting divisor (AQ==0) */
- IF CC R5 = R1; /* or we might be adding divisor (AQ==1)*/
- R0 = R0 + R5; /* do add or subtract, as indicated by AQ */
- R6 = R0 ^ R1; /* Generate next quotient bit */
- R5 = R6 >> 31;
- /* Assume AQ==1, shift in zero */
- BITTGL(R5,0); /* tweak AQ to be what we want to shift in */
-.Llend: R2 = R2 + R5; /* and then set shifted-in value to
- ** tweaked AQ.
- */
- r1 = r3 >> 31;
- r2 = r2 + r1;
- cc = bittst(r3,30);
- r0 = -r2;
- if !cc r0 = r2;
- SP += 4;
- (R7:5)= [SP++]; /* Pop registers R6-R7 */
- RTS;
-
-.Lident_return:
- CC = R1 == 0; /* check for divide by zero => 0x7fffffff */
- R2 = -1 (X);
- R2 >>= 1;
- IF CC JUMP .Ltrue_ident_return;
-
- CC = R0 == R1; /* check for identical operands => 1 */
- R2 = 1 (Z);
- IF CC JUMP .Ltrue_ident_return;
-
- R2 = R0; /* assume divide by 1 => numerator */
- /*FALLTHRU*/
-
-.Ltrue_ident_return:
- R0 = R2; /* Return an identity value */
- R2 = -R2;
- CC = bittst(R3,30);
- IF CC R0 = R2;
-.Lzero_return:
- RTS; /* ...including zero */
-
-.Lpower_of_two:
- /* Y has a single bit set, which means it's a power of two.
- ** That means we can perform the division just by shifting
- ** X to the right the appropriate number of bits
- */
-
- /* signbits returns the number of sign bits, minus one.
- ** 1=>30, 2=>29, ..., 0x40000000=>0. Which means we need
- ** to shift right n-signbits spaces. It also means 0x80000000
- ** is a special case, because that *also* gives a signbits of 0
- */
-
- R2 = R0 >> 31;
- CC = R1 < 0;
- IF CC JUMP .Ltrue_ident_return;
-
- R1.l = SIGNBITS R1;
- R1 = R1.L (Z);
- R1 += -30;
- R0 = LSHIFT R0 by R1.L;
- r1 = r3 >> 31;
- r0 = r0 + r1;
- R2 = -R0; // negate result if necessary
- CC = bittst(R3,30);
- IF CC R0 = R2;
- RTS;
-
-.Lret_zero:
- R0 = 0;
- RTS;
diff --git a/arch/blackfin/lib/flush.S b/arch/blackfin/lib/flush.S
deleted file mode 100644
index 4ee5d870ac..0000000000
--- a/arch/blackfin/lib/flush.S
+++ /dev/null
@@ -1,402 +0,0 @@
-/* Copyright (C) 2003 Analog Devices, Inc. All Rights Reserved.
- * Copyright (C) 2004 LG SOft India. All Rights Reserved.
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License.
- *
- * Blackfin BF533/2.6 support : LG Soft India
- */
-#define ASSEMBLY
-
-#include <linux/linkage.h>
-#include <asm/cplb.h>
-#include <asm/blackfin.h>
-
-.text
-
-/* This is an external function being called by the user
- * application through __flush_cache_all. Currently this function
- * serves the purpose of flushing all the pending writes in
- * in the instruction cache.
- */
-
-ENTRY(_flush_instruction_cache)
- [--SP] = ( R7:6, P5:4 );
- LINK 12;
- SP += -12;
- P5.H = (ICPLB_ADDR0 >> 16);
- P5.L = (ICPLB_ADDR0 & 0xFFFF);
- P4.H = (ICPLB_DATA0 >> 16);
- P4.L = (ICPLB_DATA0 & 0xFFFF);
- R7 = CPLB_VALID | CPLB_L1_CHBL;
- R6 = 16;
-inext: R0 = [P5++];
- R1 = [P4++];
- [--SP] = RETS;
- CALL icplb_flush; /* R0 = page, R1 = data*/
- RETS = [SP++];
-iskip: R6 += -1;
- CC = R6;
- IF CC JUMP inext;
- SSYNC;
- SP += 12;
- UNLINK;
- ( R7:6, P5:4 ) = [SP++];
- RTS;
-
-/* This is an internal function to flush all pending
- * writes in the cache associated with a particular ICPLB.
- *
- * R0 - page's start address
- * R1 - CPLB's data field.
- */
-
-.align 2
-ENTRY(icplb_flush)
- [--SP] = ( R7:0, P5:0 );
- [--SP] = LC0;
- [--SP] = LT0;
- [--SP] = LB0;
- [--SP] = LC1;
- [--SP] = LT1;
- [--SP] = LB1;
-
- /* If it's a 1K or 4K page, then it's quickest to
- * just systematically flush all the addresses in
- * the page, regardless of whether they're in the
- * cache, or dirty. If it's a 1M or 4M page, there
- * are too many addresses, and we have to search the
- * cache for lines corresponding to the page.
- */
-
- CC = BITTST(R1, 17); /* 1MB or 4MB */
- IF !CC JUMP iflush_whole_page;
-
- /* We're only interested in the page's size, so extract
- * this from the CPLB (bits 17:16), and scale to give an
- * offset into the page_size and page_prefix tables.
- */
-
- R1 <<= 14;
- R1 >>= 30;
- R1 <<= 2;
-
- /* We can also determine the sub-bank used, because this is
- * taken from bits 13:12 of the address.
- */
-
- R3 = ((12<<8)|2); /* Extraction pattern */
- nop; /*Anamoly 05000209*/
- R4 = EXTRACT(R0, R3.L) (Z); /* Extract bits*/
- R3.H = R4.L << 0 ; /* Save in extraction pattern for later deposit.*/
-
-
- /* So:
- * R0 = Page start
- * R1 = Page length (actually, offset into size/prefix tables)
- * R3 = sub-bank deposit values
- *
- * The cache has 2 Ways, and 64 sets, so we iterate through
- * the sets, accessing the tag for each Way, for our Bank and
- * sub-bank, looking for dirty, valid tags that match our
- * address prefix.
- */
-
- P5.L = (ITEST_COMMAND & 0xFFFF);
- P5.H = (ITEST_COMMAND >> 16);
- P4.L = (ITEST_DATA0 & 0xFFFF);
- P4.H = (ITEST_DATA0 >> 16);
-
- P0.L = page_prefix_table;
- P0.H = page_prefix_table;
- P1 = R1;
- R5 = 0; /* Set counter*/
- P0 = P1 + P0;
- R4 = [P0]; /* This is the address prefix*/
-
- /* We're reading (bit 1==0) the tag (bit 2==0), and we
- * don't care about which double-word, since we're only
- * fetching tags, so we only have to set Set, Bank,
- * Sub-bank and Way.
- */
-
- P2 = 4;
- LSETUP (ifs1, ife1) LC1 = P2;
-ifs1: P0 = 32; /* iterate over all sets*/
- LSETUP (ifs0, ife0) LC0 = P0;
-ifs0: R6 = R5 << 5; /* Combine set*/
- R6.H = R3.H << 0 ; /* and sub-bank*/
- [P5] = R6; /* Issue Command*/
- SSYNC; /* CSYNC will not work here :(*/
- R7 = [P4]; /* and read Tag.*/
- CC = BITTST(R7, 0); /* Check if valid*/
- IF !CC JUMP ifskip; /* and skip if not.*/
-
- /* Compare against the page address. First, plant bits 13:12
- * into the tag, since those aren't part of the returned data.
- */
-
- R7 = DEPOSIT(R7, R3); /* set 13:12*/
- R1 = R7 & R4; /* Mask off lower bits*/
- CC = R1 == R0; /* Compare against page start.*/
- IF !CC JUMP ifskip; /* Skip it if it doesn't match.*/
-
- /* Tag address matches against page, so this is an entry
- * we must flush.
- */
-
- R7 >>= 10; /* Mask off the non-address bits*/
- R7 <<= 10;
- P3 = R7;
- IFLUSH [P3]; /* And flush the entry*/
-ifskip:
-ife0: R5 += 1; /* Advance to next Set*/
-ife1: NOP;
-
-ifinished:
- SSYNC; /* Ensure the data gets out to mem.*/
-
- /*Finished. Restore context.*/
- LB1 = [SP++];
- LT1 = [SP++];
- LC1 = [SP++];
- LB0 = [SP++];
- LT0 = [SP++];
- LC0 = [SP++];
- ( R7:0, P5:0 ) = [SP++];
- RTS;
-
-iflush_whole_page:
- /* It's a 1K or 4K page, so quicker to just flush the
- * entire page.
- */
-
- P1 = 32; /* For 1K pages*/
- P2 = P1 << 2; /* For 4K pages*/
- P0 = R0; /* Start of page*/
- CC = BITTST(R1, 16); /* Whether 1K or 4K*/
- IF CC P1 = P2;
- P1 += -1; /* Unroll one iteration*/
- SSYNC;
- IFLUSH [P0++]; /* because CSYNC can't end loops.*/
- LSETUP (isall, ieall) LC0 = P1;
-isall:IFLUSH [P0++];
-ieall: NOP;
- SSYNC;
- JUMP ifinished;
-
-/* This is an external function being called by the user
- * application through __flush_cache_all. Currently this function
- * serves the purpose of flushing all the pending writes in
- * in the data cache.
- */
-
-ENTRY(_flush_data_cache)
- [--SP] = ( R7:6, P5:4 );
- LINK 12;
- SP += -12;
- P5.H = (DCPLB_ADDR0 >> 16);
- P5.L = (DCPLB_ADDR0 & 0xFFFF);
- P4.H = (DCPLB_DATA0 >> 16);
- P4.L = (DCPLB_DATA0 & 0xFFFF);
- R7 = CPLB_VALID | CPLB_L1_CHBL | CPLB_DIRTY (Z);
- R6 = 16;
-next: R0 = [P5++];
- R1 = [P4++];
- CC = BITTST(R1, 14); /* Is it write-through?*/
- IF CC JUMP skip; /* If so, ignore it.*/
- R2 = R1 & R7; /* Is it a dirty, cached page?*/
- CC = R2;
- IF !CC JUMP skip; /* If not, ignore it.*/
- [--SP] = RETS;
- CALL dcplb_flush; /* R0 = page, R1 = data*/
- RETS = [SP++];
-skip: R6 += -1;
- CC = R6;
- IF CC JUMP next;
- SSYNC;
- SP += 12;
- UNLINK;
- ( R7:6, P5:4 ) = [SP++];
- RTS;
-
-/* This is an internal function to flush all pending
- * writes in the cache associated with a particular DCPLB.
- *
- * R0 - page's start address
- * R1 - CPLB's data field.
- */
-
-.align 2
-ENTRY(dcplb_flush)
- [--SP] = ( R7:0, P5:0 );
- [--SP] = LC0;
- [--SP] = LT0;
- [--SP] = LB0;
- [--SP] = LC1;
- [--SP] = LT1;
- [--SP] = LB1;
-
- /* If it's a 1K or 4K page, then it's quickest to
- * just systematically flush all the addresses in
- * the page, regardless of whether they're in the
- * cache, or dirty. If it's a 1M or 4M page, there
- * are too many addresses, and we have to search the
- * cache for lines corresponding to the page.
- */
-
- CC = BITTST(R1, 17); /* 1MB or 4MB */
- IF !CC JUMP dflush_whole_page;
-
- /* We're only interested in the page's size, so extract
- * this from the CPLB (bits 17:16), and scale to give an
- * offset into the page_size and page_prefix tables.
- */
-
- R1 <<= 14;
- R1 >>= 30;
- R1 <<= 2;
-
- /* The page could be mapped into Bank A or Bank B, depending
- * on (a) whether both banks are configured as cache, and
- * (b) on whether address bit A[x] is set. x is determined
- * by DCBS in DMEM_CONTROL
- */
-
- R2 = 0; /* Default to Bank A (Bank B would be 1)*/
-
- P0.L = (DMEM_CONTROL & 0xFFFF);
- P0.H = (DMEM_CONTROL >> 16);
-
- R3 = [P0]; /* If Bank B is not enabled as cache*/
- CC = BITTST(R3, 2); /* then Bank A is our only option.*/
- IF CC JUMP bank_chosen;
-
- R4 = 1<<14; /* If DCBS==0, use A[14].*/
- R5 = R4 << 7; /* If DCBS==1, use A[23];*/
- CC = BITTST(R3, 4);
- IF CC R4 = R5; /* R4 now has either bit 14 or bit 23 set.*/
- R5 = R0 & R4; /* Use it to test the Page address*/
- CC = R5; /* and if that bit is set, we use Bank B,*/
- R2 = CC; /* else we use Bank A.*/
- R2 <<= 23; /* The Bank selection's at posn 23.*/
-
-bank_chosen:
-
- /* We can also determine the sub-bank used, because this is
- * taken from bits 13:12 of the address.
- */
-
- R3 = ((12<<8)|2); /* Extraction pattern */
- nop; /*Anamoly 05000209*/
- R4 = EXTRACT(R0, R3.L) (Z); /* Extract bits*/
- R3.H = R4.L << 0 ; /* Save in extraction pattern for later deposit.*/
-
- /* So:
- * R0 = Page start
- * R1 = Page length (actually, offset into size/prefix tables)
- * R2 = Bank select mask
- * R3 = sub-bank deposit values
- *
- * The cache has 2 Ways, and 64 sets, so we iterate through
- * the sets, accessing the tag for each Way, for our Bank and
- * sub-bank, looking for dirty, valid tags that match our
- * address prefix.
- */
-
- P5.L = (DTEST_COMMAND & 0xFFFF);
- P5.H = (DTEST_COMMAND >> 16);
- P4.L = (DTEST_DATA0 & 0xFFFF);
- P4.H = (DTEST_DATA0 >> 16);
-
- P0.L = page_prefix_table;
- P0.H = page_prefix_table;
- P1 = R1;
- R5 = 0; /* Set counter*/
- P0 = P1 + P0;
- R4 = [P0]; /* This is the address prefix*/
-
-
- /* We're reading (bit 1==0) the tag (bit 2==0), and we
- * don't care about which double-word, since we're only
- * fetching tags, so we only have to set Set, Bank,
- * Sub-bank and Way.
- */
-
- P2 = 2;
- LSETUP (fs1, fe1) LC1 = P2;
-fs1: P0 = 64; /* iterate over all sets*/
- LSETUP (fs0, fe0) LC0 = P0;
-fs0: R6 = R5 << 5; /* Combine set*/
- R6.H = R3.H << 0 ; /* and sub-bank*/
- R6 = R6 | R2; /* and Bank. Leave Way==0 at first.*/
- BITSET(R6,14);
- [P5] = R6; /* Issue Command*/
- SSYNC;
- R7 = [P4]; /* and read Tag.*/
- CC = BITTST(R7, 0); /* Check if valid*/
- IF !CC JUMP fskip; /* and skip if not.*/
- CC = BITTST(R7, 1); /* Check if dirty*/
- IF !CC JUMP fskip; /* and skip if not.*/
-
- /* Compare against the page address. First, plant bits 13:12
- * into the tag, since those aren't part of the returned data.
- */
-
- R7 = DEPOSIT(R7, R3); /* set 13:12*/
- R1 = R7 & R4; /* Mask off lower bits*/
- CC = R1 == R0; /* Compare against page start.*/
- IF !CC JUMP fskip; /* Skip it if it doesn't match.*/
-
- /* Tag address matches against page, so this is an entry
- * we must flush.
- */
-
- R7 >>= 10; /* Mask off the non-address bits*/
- R7 <<= 10;
- P3 = R7;
- SSYNC;
- FLUSHINV [P3]; /* And flush the entry*/
-fskip:
-fe0: R5 += 1; /* Advance to next Set*/
-fe1: BITSET(R2, 26); /* Go to next Way.*/
-
-dfinished:
- SSYNC; /* Ensure the data gets out to mem.*/
-
- /*Finished. Restore context.*/
- LB1 = [SP++];
- LT1 = [SP++];
- LC1 = [SP++];
- LB0 = [SP++];
- LT0 = [SP++];
- LC0 = [SP++];
- ( R7:0, P5:0 ) = [SP++];
- RTS;
-
-dflush_whole_page:
-
- /* It's a 1K or 4K page, so quicker to just flush the
- * entire page.
- */
-
- P1 = 32; /* For 1K pages*/
- P2 = P1 << 2; /* For 4K pages*/
- P0 = R0; /* Start of page*/
- CC = BITTST(R1, 16); /* Whether 1K or 4K*/
- IF CC P1 = P2;
- P1 += -1; /* Unroll one iteration*/
- SSYNC;
- FLUSHINV [P0++]; /* because CSYNC can't end loops.*/
- LSETUP (eall, eall) LC0 = P1;
-eall: FLUSHINV [P0++];
- SSYNC;
- JUMP dfinished;
-
-.align 4;
-page_prefix_table:
-.byte4 0xFFFFFC00; /* 1K */
-.byte4 0xFFFFF000; /* 4K */
-.byte4 0xFFF00000; /* 1M */
-.byte4 0xFFC00000; /* 4M */
-.page_prefix_table.end:
diff --git a/arch/blackfin/lib/gcclib.h b/arch/blackfin/lib/gcclib.h
deleted file mode 100644
index 4583c09aa1..0000000000
--- a/arch/blackfin/lib/gcclib.h
+++ /dev/null
@@ -1,44 +0,0 @@
-/*
- * File: arch/blackfin/lib/gcclib.h
- * Based on:
- * Author:
- *
- * Created:
- * Description:
- *
- * Rev: $Id: gcclib.h 1942 2006-08-03 17:37:22Z vapier $
- *
- * Modified:
- * Copyright 2004-2006 Analog Devices Inc.
- *
- * Bugs: Enter bugs at http://blackfin.uclinux.org/
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- */
-
-#define BITS_PER_UNIT 8
-#define SI_TYPE_SIZE (sizeof (SItype) * BITS_PER_UNIT)
-
-typedef unsigned int UQItype __attribute__ ((mode(QI)));
-typedef int SItype __attribute__ ((mode(SI)));
-typedef unsigned int USItype __attribute__ ((mode(SI)));
-typedef int DItype __attribute__ ((mode(DI)));
-typedef int word_type __attribute__ ((mode(__word__)));
-typedef unsigned int UDItype __attribute__ ((mode(DI)));
-
-struct DIstruct {
- SItype low, high;
-};
-
-typedef union {
- struct DIstruct s;
- DItype ll;
-} DIunion;
diff --git a/arch/blackfin/lib/interrupt.S b/arch/blackfin/lib/interrupt.S
deleted file mode 100644
index 7a44f92e61..0000000000
--- a/arch/blackfin/lib/interrupt.S
+++ /dev/null
@@ -1,92 +0,0 @@
-/*
- * barebox - interrupt.S Processing of interrupts and exception handling
- *
- * Copyright (c) 2005 blackfin.uclinux.org
- *
- * (C) Copyright 2000-2004
- * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- *
- * This file is based on interrupt.S
- *
- * Copyright (C) 2003 Metrowerks, Inc. <mwaddel@metrowerks.com>
- * Copyright (C) 2002 Arcturus Networks Ltd. Ted Ma <mated@sympatico.ca>
- * Copyright (C) 1998 D. Jeff Dionne <jeff@ryeham.ee.ryerson.ca>,
- * Kenneth Albanowski <kjahds@kjahds.com>,
- * The Silver Hammer Group, Ltd.
- *
- * (c) 1995, Dionne & Associates
- * (c) 1995, DKG Display Tech.
- *
- * This file is also based on exception.asm
- * (C) Copyright 2001-2005 - Analog Devices, Inc. All rights reserved.
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- */
-
-#define ASSEMBLY
-#include <config.h>
-#include <asm/blackfin.h>
-#include <asm/hw_irq.h>
-#include <asm/entry.h>
-#include <asm/blackfin_defs.h>
-#include <asm/irq.h>
-
-.global _blackfin_irq_panic;
-
-.text
-.align 2
-
-#ifndef CONFIG_KGDB
-.global _evt_emulation
-_evt_emulation:
- SAVE_CONTEXT
- r0 = IRQ_EMU;
- r1 = seqstat;
- sp += -12;
- call _blackfin_irq_panic;
- sp += 12;
- rte;
-#endif
-
-.global _evt_nmi
-_evt_nmi:
- SAVE_CONTEXT
- r0 = IRQ_NMI;
- r1 = RETN;
- sp += -12;
- call _blackfin_irq_panic;
- sp += 12;
-
-_evt_nmi_exit:
- rtn;
-
-.global _trap
-_trap:
- SAVE_ALL_SYS
- r0 = sp; /* stack frame pt_regs pointer argument ==> r0 */
- sp += -12;
- call _trap_c
- sp += 12;
- RESTORE_ALL_SYS
- rtx;
-
-.global _evt_ivhw
-_evt_ivhw:
- SAVE_CONTEXT
- RAISE 14;
-
-_evt_ivhw_exit:
- rti;
-
diff --git a/arch/blackfin/lib/lshrdi3.c b/arch/blackfin/lib/lshrdi3.c
deleted file mode 100644
index 85bdd85f18..0000000000
--- a/arch/blackfin/lib/lshrdi3.c
+++ /dev/null
@@ -1,69 +0,0 @@
-/*
- * File: arch/blackfin/lib/lshrdi3.c
- * Based on:
- * Author:
- *
- * Created:
- * Description:
- *
- * Rev: $Id: lshrdi3.c 2775 2007-02-21 13:58:44Z hennerich $
- *
- * Modified:
- * Copyright 2004-2006 Analog Devices Inc.
- *
- * Bugs: Enter bugs at http://blackfin.uclinux.org/
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- */
-
-#define BITS_PER_UNIT 8
-
-typedef int SItype __attribute__ ((mode(SI)));
-typedef unsigned int USItype __attribute__ ((mode(SI)));
-typedef int DItype __attribute__ ((mode(DI)));
-typedef int word_type __attribute__ ((mode(__word__)));
-
-struct DIstruct {
- SItype high, low;
-};
-
-typedef union {
- struct DIstruct s;
- DItype ll;
-} DIunion;
-
-#ifdef CONFIG_ARITHMETIC_OPS_L1
-DItype __lshrdi3(DItype u, word_type b)__attribute__((l1_text));
-#endif
-
-DItype __lshrdi3(DItype u, word_type b)
-{
- DIunion w;
- word_type bm;
- DIunion uu;
-
- if (b == 0)
- return u;
-
- uu.ll = u;
-
- bm = (sizeof(SItype) * BITS_PER_UNIT) - b;
- if (bm <= 0) {
- w.s.high = 0;
- w.s.low = (USItype) uu.s.high >> -bm;
- } else {
- USItype carries = (USItype) uu.s.high << bm;
- w.s.high = (USItype) uu.s.high >> b;
- w.s.low = ((USItype) uu.s.low >> b) | carries;
- }
-
- return w.ll;
-}
diff --git a/arch/blackfin/lib/modsi3.S b/arch/blackfin/lib/modsi3.S
deleted file mode 100644
index bbf4554a5a..0000000000
--- a/arch/blackfin/lib/modsi3.S
+++ /dev/null
@@ -1,76 +0,0 @@
-/*
- * File: arch/blackfin/lib/modsi3.S
- * Based on:
- * Author:
- *
- * Created:
- * Description: This program computes 32 bit signed remainder. It calls div32 function
- * for quotient estimation.
- *
- * Registers used :
- * Numerator/ Denominator in R0, R1
- * R0 - returns remainder.
- * R2-R7
- *
- * Rev: $Id: modsi3.S 2775 2007-02-21 13:58:44Z hennerich $
- *
- * Modified:
- * Copyright 2004-2006 Analog Devices Inc.
- *
- * Bugs: Enter bugs at http://blackfin.uclinux.org/
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- */
-
-.global ___modsi3;
-.type ___modsi3, STT_FUNC;
-.extern ___divsi3;
-.type ___divsi3, STT_FUNC;
-
-#ifdef CONFIG_ARITHMETIC_OPS_L1
-.section .l1.text
-#else
-.text
-#endif
-
-___modsi3:
-
- CC=R0==0;
- IF CC JUMP .LRETURN_R0; /* Return 0, if numerator == 0 */
- CC=R1==0;
- IF CC JUMP .LRETURN_ZERO; /* Return 0, if denominator == 0 */
- CC=R0==R1;
- IF CC JUMP .LRETURN_ZERO; /* Return 0, if numerator == denominator */
- CC = R1 == 1;
- IF CC JUMP .LRETURN_ZERO; /* Return 0, if denominator == 1 */
- CC = R1 == -1;
- IF CC JUMP .LRETURN_ZERO; /* Return 0, if denominator == -1 */
-
- /* Valid input. Use __divsi3() to compute the quotient, and then
- * derive the remainder from that. */
-
- [--SP] = (R7:6); /* Push R7 and R6 */
- [--SP] = RETS; /* and return address */
- R7 = R0; /* Copy of R0 */
- R6 = R1; /* Save for later */
- SP += -12; /* Should always provide this space */
- CALL ___divsi3; /* Compute signed quotient using ___divsi3()*/
- SP += 12;
- R0 *= R6; /* Quotient * divisor */
- R0 = R7 - R0; /* Dividend - (quotient * divisor) */
- RETS = [SP++]; /* Get back return address */
- (R7:6) = [SP++]; /* Pop registers R7 and R4 */
- RTS; /* Store remainder */
-
-.LRETURN_ZERO:
- R0 = 0;
-.LRETURN_R0:
- RTS;
diff --git a/arch/blackfin/lib/module.c b/arch/blackfin/lib/module.c
deleted file mode 100644
index 094afc5b49..0000000000
--- a/arch/blackfin/lib/module.c
+++ /dev/null
@@ -1,306 +0,0 @@
-/*
- * File: arch/blackfin/kernel/module.c
- * Based on:
- * Author:
- *
- * Created:
- * Description:
- *
- * Modified:
- * Copyright 2004-2006 Analog Devices Inc.
- *
- * Bugs: Enter bugs at http://blackfin.uclinux.org/
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- */
-
-#include <common.h>
-#include <elf.h>
-#include <module.h>
-#include <malloc.h>
-#include <errno.h>
-
-/*
- * handle arithmetic relocations.
- * See binutils/bfd/elf32-bfin.c for more details
- */
-#define RELOC_STACK_SIZE 100
-static uint32_t reloc_stack[RELOC_STACK_SIZE];
-static unsigned int reloc_stack_tos;
-
-#define is_reloc_stack_empty() ((reloc_stack_tos > 0)?0:1)
-
-static void reloc_stack_push(uint32_t value)
-{
- reloc_stack[reloc_stack_tos++] = value;
-}
-
-static uint32_t reloc_stack_pop(void)
-{
- return reloc_stack[--reloc_stack_tos];
-}
-
-static uint32_t reloc_stack_operate(unsigned int oper, struct module *mod)
-{
- uint32_t value;
-
- switch (oper) {
- case R_add:
- value = reloc_stack[reloc_stack_tos - 2] +
- reloc_stack[reloc_stack_tos - 1];
- reloc_stack_tos -= 2;
- break;
- case R_sub:
- value = reloc_stack[reloc_stack_tos - 2] -
- reloc_stack[reloc_stack_tos - 1];
- reloc_stack_tos -= 2;
- break;
- case R_mult:
- value = reloc_stack[reloc_stack_tos - 2] *
- reloc_stack[reloc_stack_tos - 1];
- reloc_stack_tos -= 2;
- break;
- case R_div:
- value = reloc_stack[reloc_stack_tos - 2] /
- reloc_stack[reloc_stack_tos - 1];
- reloc_stack_tos -= 2;
- break;
- case R_mod:
- value = reloc_stack[reloc_stack_tos - 2] %
- reloc_stack[reloc_stack_tos - 1];
- reloc_stack_tos -= 2;
- break;
- case R_lshift:
- value = reloc_stack[reloc_stack_tos - 2] <<
- reloc_stack[reloc_stack_tos - 1];
- reloc_stack_tos -= 2;
- break;
- case R_rshift:
- value = reloc_stack[reloc_stack_tos - 2] >>
- reloc_stack[reloc_stack_tos - 1];
- reloc_stack_tos -= 2;
- break;
- case R_and:
- value = reloc_stack[reloc_stack_tos - 2] &
- reloc_stack[reloc_stack_tos - 1];
- reloc_stack_tos -= 2;
- break;
- case R_or:
- value = reloc_stack[reloc_stack_tos - 2] |
- reloc_stack[reloc_stack_tos - 1];
- reloc_stack_tos -= 2;
- break;
- case R_xor:
- value = reloc_stack[reloc_stack_tos - 2] ^
- reloc_stack[reloc_stack_tos - 1];
- reloc_stack_tos -= 2;
- break;
- case R_land:
- value = reloc_stack[reloc_stack_tos - 2] &&
- reloc_stack[reloc_stack_tos - 1];
- reloc_stack_tos -= 2;
- break;
- case R_lor:
- value = reloc_stack[reloc_stack_tos - 2] ||
- reloc_stack[reloc_stack_tos - 1];
- reloc_stack_tos -= 2;
- break;
- case R_neg:
- value = -reloc_stack[reloc_stack_tos - 1];
- reloc_stack_tos--;
- break;
- case R_comp:
- value = ~reloc_stack[reloc_stack_tos - 1];
- reloc_stack_tos -= 1;
- break;
- default:
- printf("module %s: unhandled reloction\n",
- mod->name);
- return 0;
- }
-
- /* now push the new value back on stack */
- reloc_stack_push(value);
-
- return value;
-}
-
-int
-apply_relocate(Elf_Shdr * sechdrs, const char *strtab,
- unsigned int symindex, unsigned int relsec, struct module *me)
-{
- printf("module %s: .rel unsupported\n", me->name);
- return -ENOEXEC;
-}
-
-/*************************************************************************/
-/* FUNCTION : apply_relocate_add */
-/* ABSTRACT : Blackfin specific relocation handling for the loadable */
-/* modules. Modules are expected to be .o files. */
-/* Arithmetic relocations are handled. */
-/* We do not expect LSETUP to be split and hence is not */
-/* handled. */
-/* R_byte and R_byte2 are also not handled as the gas */
-/* does not generate it. */
-/*************************************************************************/
-int
-apply_relocate_add(Elf_Shdr * sechdrs, const char *strtab,
- unsigned int symindex, unsigned int relsec,
- struct module *mod)
-{
- unsigned int i;
- unsigned short tmp;
- Elf32_Rela *rel = (void *)sechdrs[relsec].sh_addr;
- Elf32_Sym *sym;
- uint32_t *location32;
- uint16_t *location16;
- uint32_t value;
-
- debug("Applying relocate section %u to %u\n", relsec,
- sechdrs[relsec].sh_info);
- for (i = 0; i < sechdrs[relsec].sh_size / sizeof(*rel); i++) {
- /* This is where to make the change */
- location16 =
- (uint16_t *) (sechdrs[sechdrs[relsec].sh_info].sh_addr +
- rel[i].r_offset);
- location32 = (uint32_t *) location16;
- /* This is the symbol it is referring to. Note that all
- undefined symbols have been resolved. */
- sym = (Elf32_Sym *) sechdrs[symindex].sh_addr
- + ELF32_R_SYM(rel[i].r_info);
- if (is_reloc_stack_empty()) {
- value = sym->st_value;
- } else {
- value = reloc_stack_pop();
- }
- value += rel[i].r_addend;
- debug("location is %x, value is %x type is %d \n",
- (unsigned int) location32, value,
- ELF32_R_TYPE(rel[i].r_info));
-
- switch (ELF32_R_TYPE(rel[i].r_info)) {
-
- case R_pcrel24:
- case R_pcrel24_jump_l:
- /* Add the value, subtract its postition */
- location16 =
- (uint16_t *) (sechdrs[sechdrs[relsec].sh_info].
- sh_addr + rel[i].r_offset - 2);
- location32 = (uint32_t *) location16;
- value -= (uint32_t) location32;
- value >>= 1;
- debug("value is %x, before %x-%x after %x-%x\n", value,
- *location16, *(location16 + 1),
- (*location16 & 0xff00) | (value >> 16 & 0x00ff),
- value & 0xffff);
- *location16 =
- (*location16 & 0xff00) | (value >> 16 & 0x00ff);
- *(location16 + 1) = value & 0xffff;
- break;
- case R_pcrel12_jump:
- case R_pcrel12_jump_s:
- value -= (uint32_t) location32;
- value >>= 1;
- *location16 = (value & 0xfff);
- break;
- case R_pcrel10:
- value -= (uint32_t) location32;
- value >>= 1;
- *location16 = (value & 0x3ff);
- break;
- case R_luimm16:
- debug("before %x after %x\n", *location16,
- (value & 0xffff));
- tmp = (value & 0xffff);
- *location16 = tmp;
- break;
- case R_huimm16:
- debug("before %x after %x\n", *location16,
- ((value >> 16) & 0xffff));
- tmp = ((value >> 16) & 0xffff);
- *location16 = tmp;
- break;
- case R_rimm16:
- *location16 = (value & 0xffff);
- break;
- case R_byte4_data:
- debug("before %x after %x\n", *location32, value);
- *location32 = value;
- break;
- case R_push:
- reloc_stack_push(value);
- break;
- case R_const:
- reloc_stack_push(rel[i].r_addend);
- break;
- case R_add:
- case R_sub:
- case R_mult:
- case R_div:
- case R_mod:
- case R_lshift:
- case R_rshift:
- case R_and:
- case R_or:
- case R_xor:
- case R_land:
- case R_lor:
- case R_neg:
- case R_comp:
- reloc_stack_operate(ELF32_R_TYPE(rel[i].r_info), mod);
- break;
- default:
- printf("module %s: Unknown relocation: %u\n",
- mod->name, ELF32_R_TYPE(rel[i].r_info));
- return -ENOEXEC;
- }
- }
- return 0;
-}
-
-#if 0
-int
-module_finalize(const Elf_Ehdr * hdr,
- const Elf_Shdr * sechdrs, struct module *mod)
-{
- unsigned int i, strindex = 0, symindex = 0;
- char *secstrings;
-
- secstrings = (void *)hdr + sechdrs[hdr->e_shstrndx].sh_offset;
-
- for (i = 1; i < hdr->e_shnum; i++) {
- /* Internal symbols and strings. */
- if (sechdrs[i].sh_type == SHT_SYMTAB) {
- symindex = i;
- strindex = sechdrs[i].sh_link;
- }
- }
-
- for (i = 1; i < hdr->e_shnum; i++) {
- const char *strtab = (char *)sechdrs[strindex].sh_addr;
- unsigned int info = sechdrs[i].sh_info;
-
- /* Not a valid relocation section? */
- if (info >= hdr->e_shnum)
- continue;
-
- if ((sechdrs[i].sh_type == SHT_RELA) &&
- ((strcmp(".rela.l1.text", secstrings + sechdrs[i].sh_name) == 0) ||
- ((strcmp(".rela.text", secstrings + sechdrs[i].sh_name) == 0) &&
- (hdr->e_flags & FLG_CODE_IN_L1)))) {
- apply_relocate_add((Elf_Shdr *) sechdrs, strtab,
- symindex, i, mod);
- }
- }
- return 0;
-}
-#endif
-
diff --git a/arch/blackfin/lib/muldi3.c b/arch/blackfin/lib/muldi3.c
deleted file mode 100644
index 17c303b953..0000000000
--- a/arch/blackfin/lib/muldi3.c
+++ /dev/null
@@ -1,75 +0,0 @@
-/*
- * barebox - muldi3.c contains routines for mult and div
- *
- * Copyright (c) 2005 blackfin.uclinux.org
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- */
-
-#include "gcclib.h"
-
-/* Generic function got from GNU gcc package, libgcc2.c */
-#define __ll_B (1L << (SI_TYPE_SIZE / 2))
-#define __ll_lowpart(t) ((USItype) (t) % __ll_B)
-#define __ll_highpart(t) ((USItype) (t) / __ll_B)
-#define BITS_PER_UNIT 8
-
-#if !defined (umul_ppmm)
-#define umul_ppmm(w1, w0, u, v) \
-do { \
- USItype __x0, __x1, __x2, __x3; \
- USItype __ul, __vl, __uh, __vh; \
- \
- __ul = __ll_lowpart (u); \
- __uh = __ll_highpart (u); \
- __vl = __ll_lowpart (v); \
- __vh = __ll_highpart (v); \
- \
- __x0 = (USItype) __ul * __vl; \
- __x1 = (USItype) __ul * __vh; \
- __x2 = (USItype) __uh * __vl; \
- __x3 = (USItype) __uh * __vh; \
- \
- __x1 += __ll_highpart (__x0);/* this can't give carry */ \
- __x1 += __x2; /* but this indeed can */ \
- if (__x1 < __x2) /* did we get it? */ \
- __x3 += __ll_B; /* yes, add it in the proper pos. */ \
- \
- (w1) = __x3 + __ll_highpart (__x1); \
- (w0) = __ll_lowpart (__x1) * __ll_B + __ll_lowpart (__x0); \
-} while (0)
-#endif
-
-#if !defined (__umulsidi3)
-#define __umulsidi3(u, v) \
- ({DIunion __w; \
- umul_ppmm (__w.s.high, __w.s.low, u, v); \
- __w.ll; })
-#endif
-
-DItype __muldi3 (DItype u, DItype v)
-{
- DIunion w;
- DIunion uu, vv;
-
- uu.ll = u,
- vv.ll = v;
- /* panic("kernel panic for __muldi3"); */
- w.ll = __umulsidi3 (uu.s.low, vv.s.low);
- w.s.high += ((USItype) uu.s.low * (USItype) vv.s.high
- + (USItype) uu.s.high * (USItype) vv.s.low);
-
- return w.ll;
-}
diff --git a/arch/blackfin/lib/smulsi3_highpart.S b/arch/blackfin/lib/smulsi3_highpart.S
deleted file mode 100644
index 10b8f8da57..0000000000
--- a/arch/blackfin/lib/smulsi3_highpart.S
+++ /dev/null
@@ -1,30 +0,0 @@
-.align 2
-.global ___smulsi3_highpart;
-.type ___smulsi3_highpart, STT_FUNC;
-
-#ifdef CONFIG_ARITHMETIC_OPS_L1
-.section .l1.text
-#else
-.text
-#endif
-
-___smulsi3_highpart:
- R2 = R1.L * R0.L (FU);
- R3 = R1.H * R0.L (IS,M);
- R0 = R0.H * R1.H, R1 = R0.H * R1.L (IS,M);
-
- R1.L = R2.H + R1.L;
- cc = ac0;
- R2 = cc;
-
- R1.L = R1.L + R3.L;
- cc = ac0;
- R1 >>>= 16;
- R3 >>>= 16;
- R1 = R1 + R3;
- R1 = R1 + R2;
- R2 = cc;
- R1 = R1 + R2;
-
- R0 = R0 + R1;
- RTS;
diff --git a/arch/blackfin/lib/traps.c b/arch/blackfin/lib/traps.c
deleted file mode 100644
index 2111d255fd..0000000000
--- a/arch/blackfin/lib/traps.c
+++ /dev/null
@@ -1,107 +0,0 @@
-/*
- * barebox - traps.c Routines related to interrupts and exceptions
- *
- * Copyright (c) 2005 blackfin.uclinux.org
- *
- * This file is based on
- * No original Copyright holder listed,
- * Probabily original (C) Roman Zippel (assigned DJD, 1999)
- *
- * Copyright 2003 Metrowerks - for Blackfin
- * Copyright 2000-2001 Lineo, Inc. D. Jeff Dionne <jeff@lineo.ca>
- * Copyright 1999-2000 D. Jeff Dionne, <jeff@uclinux.org>
- *
- * (C) Copyright 2000-2004
- * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- */
-
-#include <common.h>
-#include <restart.h>
-#include <linux/types.h>
-#include <asm/system.h>
-#include <asm/traps.h>
-#include <asm/page.h>
-#include <asm/cplb.h>
-#include <asm/ptrace.h>
-#include <asm/cpu.h>
-
-void dump_regs(struct pt_regs *fp)
-{
- printf("DCPLB_FAULT_ADDR=%p\n", *pDCPLB_FAULT_ADDR);
- printf("ICPLB_FAULT_ADDR=%p\n", *pICPLB_FAULT_ADDR);
-
- printf("stack frame=0x%x, ", (unsigned int) fp);
- printf("bad PC=0x%04x\n", (unsigned int) fp->pc);
- printf("RETE: %08lx RETN: %08lx RETX: %08lx RETS: %08lx\n", fp->rete, fp->retn, fp->retx, fp->rets);
- printf("IPEND: %04lx SYSCFG: %04lx\n", fp->ipend, fp->syscfg);
- printf("SEQSTAT: %08lx SP: %08lx\n", (long)fp->seqstat, (long)fp);
- printf("R0: %08lx R1: %08lx R2: %08lx R3: %08lx\n", fp->r0, fp->r1, fp->r2, fp->r3);
- printf("R4: %08lx R5: %08lx R6: %08lx R7: %08lx\n", fp->r4, fp->r5, fp->r6, fp->r7);
- printf("P0: %08lx P1: %08lx P2: %08lx P3: %08lx\n", fp->p0, fp->p1, fp->p2, fp->p3);
- printf("P4: %08lx P5: %08lx FP: %08lx\n", fp->p4, fp->p5, fp->fp);
- printf("A0.w: %08lx A0.x: %08lx A1.w: %08lx A1.x: %08lx\n", fp->a0w, fp->a0x, fp->a1w, fp->a1x);
-
- printf("LB0: %08lx LT0: %08lx LC0: %08lx\n", fp->lb0, fp->lt0, fp->lc0);
- printf("LB1: %08lx LT1: %08lx LC1: %08lx\n", fp->lb1, fp->lt1, fp->lc1);
- printf("B0: %08lx L0: %08lx M0: %08lx I0: %08lx\n", fp->b0, fp->l0, fp->m0, fp->i0);
- printf("B1: %08lx L1: %08lx M1: %08lx I1: %08lx\n", fp->b1, fp->l1, fp->m1, fp->i1);
- printf("B2: %08lx L2: %08lx M2: %08lx I2: %08lx\n", fp->b2, fp->l2, fp->m2, fp->i2);
- printf("B3: %08lx L3: %08lx M3: %08lx I3: %08lx\n", fp->b3, fp->l3, fp->m3, fp->i3);
-}
-
-static const char *trap_to_string(int trapnr)
-{
- switch (trapnr) {
- case VEC_MISALI_D:
- return "Data access misaligned";
- case VEC_MISALI_I:
- return "Instruction fetch misaligned";
- case VEC_CPLB_I_M:
- return "Instruction fetch CPLB miss";
- }
- return NULL;
-}
-
-void trap_c (struct pt_regs *regs)
-{
- uint32_t trapnr = (regs->seqstat) & SEQSTAT_EXCAUSE;
- const char *str;
-
- printf("Exception occured!\n\n");
-
- str = trap_to_string(trapnr);
- if (str)
- printf("%s\n", str);
- printf("code=[0x%x]\n", trapnr);
-
- dump_regs(regs);
-
- printf("\nPlease reset the board\n");
-
- restart_machine();
-}
-
-void blackfin_irq_panic(int reason, struct pt_regs *regs)
-{
- printf("\n\nException: IRQ 0x%x entered\n", reason);
- dump_regs(regs);
- printf("Unhandled IRQ or exceptions!\n");
- printf("Please reset the board \n");
-
- restart_machine();
-}
-
diff --git a/arch/blackfin/lib/udivsi3.S b/arch/blackfin/lib/udivsi3.S
deleted file mode 100644
index def52cb1d5..0000000000
--- a/arch/blackfin/lib/udivsi3.S
+++ /dev/null
@@ -1,294 +0,0 @@
-/*
- * File: arch/blackfin/lib/udivsi3.S
- * Based on:
- * Author:
- *
- * Created:
- * Description:
- *
- * Rev: $Id: udivsi3.S 2795 2007-03-05 06:25:33Z cooloney $
- *
- * Modified:
- * Copyright 2004-2006 Analog Devices Inc.
- *
- * Bugs: Enter bugs at http://blackfin.uclinux.org/
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- */
-
-#define CARRY AC0
-
-#ifdef CONFIG_ARITHMETIC_OPS_L1
-.section .l1.text
-#else
-.text
-#endif
-
-
-.globl ___udivsi3;
-
-___udivsi3:
- CC = R0 < R1 (IU); /* If X < Y, always return 0 */
- IF CC JUMP .Lreturn_ident;
-
- R2 = R1 << 16;
- CC = R2 <= R0 (IU);
- IF CC JUMP .Lidents;
-
- R2 = R0 >> 31; /* if X is a 31-bit number */
- R3 = R1 >> 15; /* and Y is a 15-bit number */
- R2 = R2 | R3; /* then it's okay to use the DIVQ builtins (fallthrough to fast)*/
- CC = R2;
- IF CC JUMP .Ly_16bit;
-
-/* METHOD 1: FAST DIVQ
- We know we have a 31-bit dividend, and 15-bit divisor so we can use the
- simple divq approach (first setting AQ to 0 - implying unsigned division,
- then 16 DIVQ's).
-*/
-
- AQ = CC; /* Clear AQ (CC==0) */
-
-/* ISR States: When dividing two integers (32.0/16.0) using divide primitives,
- we need to shift the dividend one bit to the left.
- We have already checked that we have a 31-bit number so we are safe to do
- that.
-*/
- R0 <<= 1;
- DIVQ(R0, R1); // 1
- DIVQ(R0, R1); // 2
- DIVQ(R0, R1); // 3
- DIVQ(R0, R1); // 4
- DIVQ(R0, R1); // 5
- DIVQ(R0, R1); // 6
- DIVQ(R0, R1); // 7
- DIVQ(R0, R1); // 8
- DIVQ(R0, R1); // 9
- DIVQ(R0, R1); // 10
- DIVQ(R0, R1); // 11
- DIVQ(R0, R1); // 12
- DIVQ(R0, R1); // 13
- DIVQ(R0, R1); // 14
- DIVQ(R0, R1); // 15
- DIVQ(R0, R1); // 16
- R0 = R0.L (Z);
- RTS;
-
-.Ly_16bit:
- /* We know that the upper 17 bits of Y might have bits set,
- ** or that the sign bit of X might have a bit. If Y is a
- ** 16-bit number, but not bigger, then we can use the builtins
- ** with a post-divide correction.
- ** R3 currently holds Y>>15, which means R3's LSB is the
- ** bit we're interested in.
- */
-
- /* According to the ISR, to use the Divide primitives for
- ** unsigned integer divide, the useable range is 31 bits
- */
- CC = ! BITTST(R0, 31);
-
- /* IF condition is true we can scale our inputs and use the divide primitives,
- ** with some post-adjustment
- */
- R3 += -1; /* if so, Y is 0x00008nnn */
- CC &= AZ;
-
- /* If condition is true we can scale our inputs and use the divide primitives,
- ** with some post-adjustment
- */
- R3 = R1 >> 1; /* Pre-scaled divisor for primitive case */
- R2 = R0 >> 16;
-
- R2 = R3 - R2; /* shifted divisor < upper 16 bits of dividend */
- CC &= CARRY;
- IF CC JUMP .Lshift_and_correct;
-
- /* Fall through to the identities */
-
-/* METHOD 2: identities and manual calculation
- We are not able to use the divide primites, but may still catch some special
- cases.
-*/
-.Lidents:
- /* Test for common identities. Value to be returned is placed in R2. */
- CC = R0 == 0; /* 0/Y => 0 */
- IF CC JUMP .Lreturn_r0;
- CC = R0 == R1; /* X==Y => 1 */
- IF CC JUMP .Lreturn_ident;
- CC = R1 == 1; /* X/1 => X */
- IF CC JUMP .Lreturn_ident;
-
- R2.L = ONES R1;
- R2 = R2.L (Z);
- CC = R2 == 1;
- IF CC JUMP .Lpower_of_two;
-
- [--SP] = (R7:5); /* Push registers R5-R7 */
-
- /* Idents don't match. Go for the full operation. */
-
-
- R6 = 2; /* assume we'll shift two */
- R3 = 1;
-
- P2 = R1;
- /* If either R0 or R1 have sign set, */
- /* divide them by two, and note it's */
- /* been done. */
- CC = R1 < 0;
- R2 = R1 >> 1;
- IF CC R1 = R2; /* Possibly-shifted R1 */
- IF !CC R6 = R3; /* R1 doesn't, so at most 1 shifted */
-
- P0 = 0;
- R3 = -R1;
- [--SP] = R3;
- R2 = R0 >> 1;
- R2 = R0 >> 1;
- CC = R0 < 0;
- IF CC P0 = R6; /* Number of values divided */
- IF !CC R2 = R0; /* Shifted R0 */
-
- /* P0 is 0, 1 (NR/=2) or 2 (NR/=2, DR/=2) */
-
- /* r2 holds Copy dividend */
- R3 = 0; /* Clear partial remainder */
- R7 = 0; /* Initialise quotient bit */
-
- P1 = 32; /* Set loop counter */
- LSETUP(.Lulst, .Lulend) LC0 = P1; /* Set loop counter */
-.Lulst: R6 = R2 >> 31; /* R6 = sign bit of R2, for carry */
- R2 = R2 << 1; /* Shift 64 bit dividend up by 1 bit */
- R3 = R3 << 1 || R5 = [SP];
- R3 = R3 | R6; /* Include any carry */
- CC = R7 < 0; /* Check quotient(AQ) */
- /* If AQ==0, we'll sub divisor */
- IF CC R5 = R1; /* and if AQ==1, we'll add it. */
- R3 = R3 + R5; /* Add/sub divsor to partial remainder */
- R7 = R3 ^ R1; /* Generate next quotient bit */
-
- R5 = R7 >> 31; /* Get AQ */
- BITTGL(R5, 0); /* Invert it, to get what we'll shift */
-.Lulend: R2 = R2 + R5; /* and "shift" it in. */
-
- CC = P0 == 0; /* Check how many inputs we shifted */
- IF CC JUMP .Lno_mult; /* if none... */
- R6 = R2 << 1;
- CC = P0 == 1;
- IF CC R2 = R6; /* if 1, Q = Q*2 */
- IF !CC R1 = P2; /* if 2, restore stored divisor */
-
- R3 = R2; /* Copy of R2 */
- R3 *= R1; /* Q * divisor */
- R5 = R0 - R3; /* Z = (dividend - Q * divisor) */
- CC = R1 <= R5 (IU); /* Check if divisor <= Z? */
- R6 = CC; /* if yes, R6 = 1 */
- R2 = R2 + R6; /* if yes, add one to quotient(Q) */
-.Lno_mult:
- SP += 4;
- (R7:5) = [SP++]; /* Pop registers R5-R7 */
- R0 = R2; /* Store quotient */
- RTS;
-
-.Lreturn_ident:
- CC = R0 < R1 (IU); /* If X < Y, always return 0 */
- R2 = 0;
- IF CC JUMP .Ltrue_return_ident;
- R2 = -1 (X); /* X/0 => 0xFFFFFFFF */
- CC = R1 == 0;
- IF CC JUMP .Ltrue_return_ident;
- R2 = -R2; /* R2 now 1 */
- CC = R0 == R1; /* X==Y => 1 */
- IF CC JUMP .Ltrue_return_ident;
- R2 = R0; /* X/1 => X */
- /*FALLTHRU*/
-
-.Ltrue_return_ident:
- R0 = R2;
-.Lreturn_r0:
- RTS;
-
-.Lpower_of_two:
- /* Y has a single bit set, which means it's a power of two.
- ** That means we can perform the division just by shifting
- ** X to the right the appropriate number of bits
- */
-
- /* signbits returns the number of sign bits, minus one.
- ** 1=>30, 2=>29, ..., 0x40000000=>0. Which means we need
- ** to shift right n-signbits spaces. It also means 0x80000000
- ** is a special case, because that *also* gives a signbits of 0
- */
-
- R2 = R0 >> 31;
- CC = R1 < 0;
- IF CC JUMP .Ltrue_return_ident;
-
- R1.l = SIGNBITS R1;
- R1 = R1.L (Z);
- R1 += -30;
- R0 = LSHIFT R0 by R1.L;
- RTS;
-
-/* METHOD 3: PRESCALE AND USE THE DIVIDE PRIMITIVES WITH SOME POST-CORRECTION
- Two scaling operations are required to use the divide primitives with a
- divisor > 0x7FFFF.
- Firstly (as in method 1) we need to shift the dividend 1 to the left for
- integer division.
- Secondly we need to shift both the divisor and dividend 1 to the right so
- both are in range for the primitives.
- The left/right shift of the dividend does nothing so we can skip it.
-*/
-.Lshift_and_correct:
- R2 = R0;
- // R3 is already R1 >> 1
- CC=!CC;
- AQ = CC; /* Clear AQ, got here with CC = 0 */
- DIVQ(R2, R3); // 1
- DIVQ(R2, R3); // 2
- DIVQ(R2, R3); // 3
- DIVQ(R2, R3); // 4
- DIVQ(R2, R3); // 5
- DIVQ(R2, R3); // 6
- DIVQ(R2, R3); // 7
- DIVQ(R2, R3); // 8
- DIVQ(R2, R3); // 9
- DIVQ(R2, R3); // 10
- DIVQ(R2, R3); // 11
- DIVQ(R2, R3); // 12
- DIVQ(R2, R3); // 13
- DIVQ(R2, R3); // 14
- DIVQ(R2, R3); // 15
- DIVQ(R2, R3); // 16
-
- /* According to the Instruction Set Reference:
- To divide by a divisor > 0x7FFF,
- 1. prescale and perform divide to obtain quotient (Q) (done above),
- 2. multiply quotient by unscaled divisor (result M)
- 3. subtract the product from the divident to get an error (E = X - M)
- 4. if E < divisor (Y) subtract 1, if E > divisor (Y) add 1, else return quotient (Q)
- */
- R3 = R2.L (Z); /* Q = X' / Y' */
- R2 = R3; /* Preserve Q */
- R2 *= R1; /* M = Q * Y */
- R2 = R0 - R2; /* E = X - M */
- R0 = R3; /* Copy Q into result reg */
-
-/* Correction: If result of the multiply is negative, we overflowed
- and need to correct the result by subtracting 1 from the result.*/
- R3 = 0xFFFF (Z);
- R2 = R2 >> 16; /* E >> 16 */
- CC = R2 == R3;
- R3 = 1 ;
- R1 = R0 - R3;
- IF CC R0 = R1;
- RTS;
diff --git a/arch/blackfin/lib/umodsi3.S b/arch/blackfin/lib/umodsi3.S
deleted file mode 100644
index c0b852f55a..0000000000
--- a/arch/blackfin/lib/umodsi3.S
+++ /dev/null
@@ -1,63 +0,0 @@
-/*
- * File: arch/blackfin/lib/umodsi3.S
- * Based on:
- * Author:
- *
- * Created:
- * Description: libgcc1 routines for Blackfin 5xx
- *
- * Rev: $Id: umodsi3.S 2769 2007-02-19 16:45:53Z hennerich $
- *
- * Modified:
- * Copyright 2004-2006 Analog Devices Inc.
- *
- * Bugs: Enter bugs at http://blackfin.uclinux.org/
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- */
-
-#ifdef CONFIG_ARITHMETIC_OPS_L1
-.section .l1.text
-#else
-.text
-#endif
-
-.extern ___udivsi3;
-.globl ___umodsi3
-___umodsi3:
-
- CC=R0==0;
- IF CC JUMP .LRETURN_R0; /* Return 0, if NR == 0 */
- CC= R1==0;
- IF CC JUMP .LRETURN_ZERO_VAL; /* Return 0, if DR == 0 */
- CC=R0==R1;
- IF CC JUMP .LRETURN_ZERO_VAL; /* Return 0, if NR == DR */
- CC = R1 == 1;
- IF CC JUMP .LRETURN_ZERO_VAL; /* Return 0, if DR == 1 */
- CC = R0<R1 (IU);
- IF CC JUMP .LRETURN_R0; /* Return dividend (R0),IF NR<DR */
-
- [--SP] = (R7:6); /* Push registers and */
- [--SP] = RETS; /* Return address */
- R7 = R0; /* Copy of R0 */
- R6 = R1;
- SP += -12; /* Should always provide this space */
- CALL ___udivsi3; /* Compute unsigned quotient using ___udiv32()*/
- SP += 12;
- R0 *= R6; /* Quotient * divisor */
- R0 = R7 - R0; /* Dividend - (quotient * divisor) */
- RETS = [SP++]; /* Pop return address */
- ( R7:6) = [SP++]; /* And registers */
- RTS; /* Return remainder */
-.LRETURN_ZERO_VAL:
- R0 = 0;
-.LRETURN_R0:
- RTS;
diff --git a/arch/blackfin/lib/umulsi3_highpart.S b/arch/blackfin/lib/umulsi3_highpart.S
deleted file mode 100644
index aac8218fb2..0000000000
--- a/arch/blackfin/lib/umulsi3_highpart.S
+++ /dev/null
@@ -1,23 +0,0 @@
-.align 2
-.global ___umulsi3_highpart;
-.type ___umulsi3_highpart, STT_FUNC;
-
-#ifdef CONFIG_ARITHMETIC_OPS_L1
-.section .l1.text
-#else
-.text
-#endif
-
-___umulsi3_highpart:
- R2 = R1.H * R0.H, R3 = R1.L * R0.H (FU);
- R0 = R1.L * R0.L, R1 = R1.H * R0.L (FU);
- R0 >>= 16;
- /* Unsigned multiplication has the nice property that we can
- ignore carry on this first addition. */
- R0 = R0 + R3;
- R0 = R0 + R1;
- cc = ac0;
- R1 = cc;
- R1 = PACK(R1.l,R0.h);
- R0 = R1 + R2;
- RTS;