diff options
Diffstat (limited to 'arch/arm/lib')
| -rw-r--r-- | arch/arm/lib/Makefile | 23 | ||||
| -rw-r--r-- | arch/arm/lib/_ashldi3.S | 26 | ||||
| -rw-r--r-- | arch/arm/lib/_ashrdi3.S | 26 | ||||
| -rw-r--r-- | arch/arm/lib/_lshrdi3.S | 26 | ||||
| -rw-r--r-- | arch/arm/lib/board.c | 31 | ||||
| -rw-r--r-- | arch/arm/lib/bootm-fdt.c | 18 | ||||
| -rw-r--r-- | arch/arm/lib/bootm.c | 73 | ||||
| -rw-r--r-- | arch/arm/lib/bss.c | 39 | ||||
| -rw-r--r-- | arch/arm/lib/cache-cp15.c | 18 | ||||
| -rw-r--r-- | arch/arm/lib/cache-pl310.c | 18 | ||||
| -rw-r--r-- | arch/arm/lib/cache.c | 20 | ||||
| -rw-r--r-- | arch/arm/lib/crt0.S | 34 | ||||
| -rw-r--r-- | arch/arm/lib/div0.c | 18 | ||||
| -rw-r--r-- | arch/arm/lib/eabi_compat.c | 5 | ||||
| -rw-r--r-- | arch/arm/lib/interrupts.c | 18 | ||||
| -rw-r--r-- | arch/arm/lib/relocate.S | 74 | ||||
| -rw-r--r-- | arch/arm/lib/reset.c | 18 | ||||
| -rw-r--r-- | arch/arm/lib/sections.c | 27 | ||||
| -rw-r--r-- | arch/arm/lib/spl.c | 28 |
19 files changed, 190 insertions, 350 deletions
diff --git a/arch/arm/lib/Makefile b/arch/arm/lib/Makefile index 5b2cb61dc36..4e78723ea94 100644 --- a/arch/arm/lib/Makefile +++ b/arch/arm/lib/Makefile @@ -2,23 +2,7 @@ # (C) Copyright 2002-2006 # 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. -# -# You should have received a copy of the GNU General Public License -# along with this program; if not, write to the Free Software -# Foundation, Inc., 59 Temple Place, Suite 330, Boston, -# MA 02111-1307 USA +# SPDX-License-Identifier: GPL-2.0+ # include $(TOPDIR)/config.mk @@ -39,13 +23,14 @@ GLCOBJS += div0.o SOBJS-y += crt0.o ifndef CONFIG_SPL_BUILD +SOBJS-y += relocate.o ifndef CONFIG_SYS_GENERIC_BOARD COBJS-y += board.o endif -COBJS-y += bss.o +COBJS-y += sections.o -COBJS-y += bootm.o COBJS-$(CONFIG_OF_LIBFDT) += bootm-fdt.o +COBJS-$(CONFIG_CMD_BOOTM) += bootm.o COBJS-$(CONFIG_SYS_L2_PL310) += cache-pl310.o SOBJS-$(CONFIG_USE_ARCH_MEMSET) += memset.o SOBJS-$(CONFIG_USE_ARCH_MEMCPY) += memcpy.o diff --git a/arch/arm/lib/_ashldi3.S b/arch/arm/lib/_ashldi3.S index 834ddc25426..2c26f84ac70 100644 --- a/arch/arm/lib/_ashldi3.S +++ b/arch/arm/lib/_ashldi3.S @@ -1,30 +1,8 @@ /* Copyright 1995, 1996, 1998, 1999, 2000, 2003, 2004, 2005 Free Software Foundation, Inc. -This file 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, or (at your option) any -later version. - -In addition to the permissions in the GNU General Public License, the -Free Software Foundation gives you unlimited permission to link the -compiled version of this file into combinations with other programs, -and to distribute those combinations without any restriction coming -from the use of this file. (The General Public License restrictions -do apply in other respects; for example, they cover modification of -the file, and distribution when not linked into a combine -executable.) - -This file 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. - -You should have received a copy of the GNU General Public License -along with this program; see the file COPYING. If not, write to -the Free Software Foundation, 51 Franklin Street, Fifth Floor, -Boston, MA 02110-1301, USA. */ - + * SPDX-License-Identifier: GPL-2.0+ + */ #ifdef __ARMEB__ #define al r1 diff --git a/arch/arm/lib/_ashrdi3.S b/arch/arm/lib/_ashrdi3.S index 671ac87a2b5..4d93c8a5e6c 100644 --- a/arch/arm/lib/_ashrdi3.S +++ b/arch/arm/lib/_ashrdi3.S @@ -1,30 +1,8 @@ /* Copyright 1995, 1996, 1998, 1999, 2000, 2003, 2004, 2005 Free Software Foundation, Inc. -This file 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, or (at your option) any -later version. - -In addition to the permissions in the GNU General Public License, the -Free Software Foundation gives you unlimited permission to link the -compiled version of this file into combinations with other programs, -and to distribute those combinations without any restriction coming -from the use of this file. (The General Public License restrictions -do apply in other respects; for example, they cover modification of -the file, and distribution when not linked into a combine -executable.) - -This file 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. - -You should have received a copy of the GNU General Public License -along with this program; see the file COPYING. If not, write to -the Free Software Foundation, 51 Franklin Street, Fifth Floor, -Boston, MA 02110-1301, USA. */ - + * SPDX-License-Identifier: GPL-2.0+ + */ #ifdef __ARMEB__ #define al r1 diff --git a/arch/arm/lib/_lshrdi3.S b/arch/arm/lib/_lshrdi3.S index e7fa7993878..33296a0a93e 100644 --- a/arch/arm/lib/_lshrdi3.S +++ b/arch/arm/lib/_lshrdi3.S @@ -1,30 +1,8 @@ /* Copyright 1995, 1996, 1998, 1999, 2000, 2003, 2004, 2005 Free Software Foundation, Inc. -This file 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, or (at your option) any -later version. - -In addition to the permissions in the GNU General Public License, the -Free Software Foundation gives you unlimited permission to link the -compiled version of this file into combinations with other programs, -and to distribute those combinations without any restriction coming -from the use of this file. (The General Public License restrictions -do apply in other respects; for example, they cover modification of -the file, and distribution when not linked into a combine -executable.) - -This file 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. - -You should have received a copy of the GNU General Public License -along with this program; see the file COPYING. If not, write to -the Free Software Foundation, 51 Franklin Street, Fifth Floor, -Boston, MA 02110-1301, USA. */ - + * SPDX-License-Identifier: GPL-2.0+ + */ #ifdef __ARMEB__ #define al r1 diff --git a/arch/arm/lib/board.c b/arch/arm/lib/board.c index 09ab4ad7364..34f50b08a5c 100644 --- a/arch/arm/lib/board.c +++ b/arch/arm/lib/board.c @@ -6,23 +6,7 @@ * Sysgo Real-Time Solutions, GmbH <www.elinos.com> * Marius Groeger <mgroeger@sysgo.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. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA + * SPDX-License-Identifier: GPL-2.0+ */ /* @@ -69,7 +53,7 @@ extern void dataflash_print_info(void); #endif #if defined(CONFIG_HARD_I2C) || \ - defined(CONFIG_SOFT_I2C) + defined(CONFIG_SYS_I2C) #include <i2c.h> #endif @@ -165,11 +149,15 @@ static int display_dram_config(void) return (0); } -#if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C) +#if defined(CONFIG_HARD_I2C) || defined(CONFIG_SYS_I2C) static int init_func_i2c(void) { puts("I2C: "); +#ifdef CONFIG_SYS_I2C + i2c_init_all(); +#else i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE); +#endif puts("ready\n"); return (0); } @@ -268,7 +256,7 @@ init_fnc_t *init_sequence[] = { #if defined(CONFIG_DISPLAY_BOARDINFO) checkboard, /* display board info */ #endif -#if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C) +#if defined(CONFIG_HARD_I2C) || defined(CONFIG_SYS_I2C) init_func_i2c, #endif dram_init, /* configure available RAM banks */ @@ -447,6 +435,7 @@ void board_init_f(ulong bootflag) addr_sp += 128; /* leave 32 words for abort-stack */ gd->irq_sp = addr_sp; #endif + interrupt_init(); debug("New Stack Pointer is: %08lx\n", addr_sp); @@ -648,8 +637,6 @@ void board_init_r(gd_t *id, ulong dest_addr) misc_init_r(); #endif - /* set up exceptions */ - interrupt_init(); /* enable exceptions */ enable_interrupts(); diff --git a/arch/arm/lib/bootm-fdt.c b/arch/arm/lib/bootm-fdt.c index 93888f8db89..e40691d15f9 100644 --- a/arch/arm/lib/bootm-fdt.c +++ b/arch/arm/lib/bootm-fdt.c @@ -12,23 +12,7 @@ * * Copyright (C) 2001 Erik Mouw (J.A.K.Mouw@its.tudelft.nl) * - * 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. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA + * SPDX-License-Identifier: GPL-2.0+ */ #include <common.h> diff --git a/arch/arm/lib/bootm.c b/arch/arm/lib/bootm.c index 1b6e0ace453..f476a897022 100644 --- a/arch/arm/lib/bootm.c +++ b/arch/arm/lib/bootm.c @@ -9,19 +9,7 @@ * * Copyright (C) 2001 Erik Mouw (J.A.K.Mouw@its.tudelft.nl) * - * 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. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * SPDX-License-Identifier: GPL-2.0+ */ #include <common.h> @@ -34,6 +22,10 @@ #include <asm/bootm.h> #include <linux/compiler.h> +#if defined(CONFIG_ARMV7_NONSEC) || defined(CONFIG_ARMV7_VIRT) +#include <asm/armv7.h> +#endif + DECLARE_GLOBAL_DATA_PTR; static struct tag *params; @@ -68,12 +60,19 @@ void arch_lmb_reserve(struct lmb *lmb) gd->bd->bi_dram[0].start + gd->bd->bi_dram[0].size - sp); } -static void announce_and_cleanup(void) +/** + * announce_and_cleanup() - Print message and prepare for kernel boot + * + * @fake: non-zero to do everything except actually boot + */ +static void announce_and_cleanup(int fake) { - printf("\nStarting kernel ...\n\n"); + printf("\nStarting kernel ...%s\n\n", fake ? + "(fake run for tracing)" : ""); bootstage_mark_name(BOOTSTAGE_ID_BOOTM_HANDOFF, "start_kernel"); #ifdef CONFIG_BOOTSTAGE_FDT - bootstage_fdt_add_report(); + if (flag == BOOTM_STATE_OS_FAKE_GO) + bootstage_fdt_add_report(); #endif #ifdef CONFIG_BOOTSTAGE_REPORT bootstage_report(); @@ -186,6 +185,19 @@ static void setup_end_tag(bd_t *bd) __weak void setup_board_tags(struct tag **in_params) {} +static void do_nonsec_virt_switch(void) +{ +#if defined(CONFIG_ARMV7_NONSEC) || defined(CONFIG_ARMV7_VIRT) + if (armv7_switch_nonsec() == 0) +#ifdef CONFIG_ARMV7_VIRT + if (armv7_switch_hyp() == 0) + debug("entered HYP mode\n"); +#else + debug("entered non-secure state\n"); +#endif +#endif +} + /* Subcommand: PREP */ static void boot_prep_linux(bootm_headers_t *images) { @@ -222,15 +234,17 @@ static void boot_prep_linux(bootm_headers_t *images) printf("FDT and ATAGS support not compiled in - hanging\n"); hang(); } + do_nonsec_virt_switch(); } /* Subcommand: GO */ -static void boot_jump_linux(bootm_headers_t *images) +static void boot_jump_linux(bootm_headers_t *images, int flag) { unsigned long machid = gd->bd->bi_arch_number; char *s; void (*kernel_entry)(int zero, int arch, uint params); unsigned long r2; + int fake = (flag & BOOTM_STATE_OS_FAKE_GO); kernel_entry = (void (*)(int, int, uint))images->ep; @@ -243,14 +257,15 @@ static void boot_jump_linux(bootm_headers_t *images) debug("## Transferring control to Linux (at address %08lx)" \ "...\n", (ulong) kernel_entry); bootstage_mark(BOOTSTAGE_ID_RUN_OS); - announce_and_cleanup(); + announce_and_cleanup(fake); if (IMAGE_ENABLE_OF_LIBFDT && images->ft_len) r2 = (unsigned long)images->ft_addr; else r2 = gd->bd->bi_boot_params; - kernel_entry(0, machid, r2); + if (!fake) + kernel_entry(0, machid, r2); } /* Main Entry point for arm bootm implementation @@ -270,13 +285,13 @@ int do_bootm_linux(int flag, int argc, char *argv[], bootm_headers_t *images) return 0; } - if (flag & BOOTM_STATE_OS_GO) { - boot_jump_linux(images); + if (flag & (BOOTM_STATE_OS_GO | BOOTM_STATE_OS_FAKE_GO)) { + boot_jump_linux(images, flag); return 0; } boot_prep_linux(images); - boot_jump_linux(images); + boot_jump_linux(images, flag); return 0; } @@ -291,21 +306,23 @@ struct zimage_header { #define LINUX_ARM_ZIMAGE_MAGIC 0x016f2818 -int bootz_setup(void *image, void **start, void **end) +int bootz_setup(ulong image, ulong *start, ulong *end) { - struct zimage_header *zi = (struct zimage_header *)image; + struct zimage_header *zi; + zi = (struct zimage_header *)map_sysmem(image, 0); if (zi->zi_magic != LINUX_ARM_ZIMAGE_MAGIC) { puts("Bad Linux ARM zImage magic!\n"); return 1; } - *start = (void *)zi->zi_start; - *end = (void *)zi->zi_end; + *start = zi->zi_start; + *end = zi->zi_end; - debug("Kernel image @ 0x%08x [ 0x%08x - 0x%08x ]\n", - (uint32_t)image, (uint32_t)*start, (uint32_t)*end); + printf("Kernel image @ %#08lx [ %#08lx - %#08lx ]\n", image, *start, + *end); return 0; } + #endif /* CONFIG_CMD_BOOTZ */ diff --git a/arch/arm/lib/bss.c b/arch/arm/lib/bss.c deleted file mode 100644 index 99eda591376..00000000000 --- a/arch/arm/lib/bss.c +++ /dev/null @@ -1,39 +0,0 @@ -/* - * Copyright 2013 Albert ARIBAUD <albert.u.boot@aribaud.net> - * - * 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. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -/** - * These two symbols are declared in a C file so that the linker - * uses R_ARM_RELATIVE relocation, rather than the R_ARM_ABS32 one - * it would use if the symbols were defined in the linker file. - * Using only R_ARM_RELATIVE relocation ensures that references to - * the symbols are correct after as well as before relocation. - * - * We need a 0-byte-size type for these symbols, and the compiler - * does not allow defining objects of C type 'void'. Using an empty - * struct is allowed by the compiler, but causes gcc versions 4.4 and - * below to complain about aliasing. Therefore we use the next best - * thing: zero-sized arrays, which are both 0-byte-size and exempt from - * aliasing warnings. - */ - -char __bss_start[0] __attribute__((used, section(".__bss_start"))); -char __bss_end[0] __attribute__((used, section(".__bss_end"))); diff --git a/arch/arm/lib/cache-cp15.c b/arch/arm/lib/cache-cp15.c index 4abe1cf061a..8642010a175 100644 --- a/arch/arm/lib/cache-cp15.c +++ b/arch/arm/lib/cache-cp15.c @@ -2,23 +2,7 @@ * (C) Copyright 2002 * 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. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA + * SPDX-License-Identifier: GPL-2.0+ */ #include <common.h> diff --git a/arch/arm/lib/cache-pl310.c b/arch/arm/lib/cache-pl310.c index 21d13f787ab..1ad1f8aea08 100644 --- a/arch/arm/lib/cache-pl310.c +++ b/arch/arm/lib/cache-pl310.c @@ -3,23 +3,7 @@ * Texas Instruments, <www.ti.com> * Aneesh V <aneesh@ti.com> * - * 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. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA + * SPDX-License-Identifier: GPL-2.0+ */ #include <linux/types.h> #include <asm/io.h> diff --git a/arch/arm/lib/cache.c b/arch/arm/lib/cache.c index b545fb79bc1..6cc136aa3c1 100644 --- a/arch/arm/lib/cache.c +++ b/arch/arm/lib/cache.c @@ -2,23 +2,7 @@ * (C) Copyright 2002 * 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. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA + * SPDX-License-Identifier: GPL-2.0+ */ /* for now: just dummy functions to satisfy the linker */ @@ -27,7 +11,7 @@ void __flush_cache(unsigned long start, unsigned long size) { -#if defined(CONFIG_OMAP2420) || defined(CONFIG_ARM1136) +#if defined(CONFIG_ARM1136) void arm1136_cache_flush(void); arm1136_cache_flush(); diff --git a/arch/arm/lib/crt0.S b/arch/arm/lib/crt0.S index a9657d190f3..ac54b9359ae 100644 --- a/arch/arm/lib/crt0.S +++ b/arch/arm/lib/crt0.S @@ -3,23 +3,7 @@ * * Copyright (c) 2012 Albert ARIBAUD <albert.u.boot@aribaud.net> * - * 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. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA + * SPDX-License-Identifier: GPL-2.0+ */ #include <config.h> @@ -85,7 +69,7 @@ ENTRY(_main) bic sp, sp, #7 /* 8-byte alignment for ABI compliance */ sub sp, #GD_SIZE /* allocate one GD above SP */ bic sp, sp, #7 /* 8-byte alignment for ABI compliance */ - mov r8, sp /* GD is above SP */ + mov r9, sp /* GD is above SP */ mov r0, #0 bl board_init_f @@ -97,15 +81,15 @@ ENTRY(_main) * 'here' but relocated. */ - ldr sp, [r8, #GD_START_ADDR_SP] /* r8 = gd->start_addr_sp */ + ldr sp, [r9, #GD_START_ADDR_SP] /* sp = gd->start_addr_sp */ bic sp, sp, #7 /* 8-byte alignment for ABI compliance */ - ldr r8, [r8, #GD_BD] /* r8 = gd->bd */ - sub r8, r8, #GD_SIZE /* new GD is below bd */ + ldr r9, [r9, #GD_BD] /* r9 = gd->bd */ + sub r9, r9, #GD_SIZE /* new GD is below bd */ adr lr, here - ldr r0, [r8, #GD_RELOC_OFF] /* lr = gd->start_addr_sp */ + ldr r0, [r9, #GD_RELOC_OFF] /* r0 = gd->reloc_off */ add lr, lr, r0 - ldr r0, [r8, #GD_RELOCADDR] /* r0 = gd->relocaddr */ + ldr r0, [r9, #GD_RELOCADDR] /* r0 = gd->relocaddr */ b relocate_code here: @@ -127,8 +111,8 @@ clbss_l:cmp r0, r1 /* while not at end of BSS */ bl red_led_on /* call board_init_r(gd_t *id, ulong dest_addr) */ - mov r0, r8 /* gd_t */ - ldr r1, [r8, #GD_RELOCADDR] /* dest_addr */ + mov r0, r9 /* gd_t */ + ldr r1, [r9, #GD_RELOCADDR] /* dest_addr */ /* call board_init_r */ ldr pc, =board_init_r /* this is auto-relocated! */ diff --git a/arch/arm/lib/div0.c b/arch/arm/lib/div0.c index 6267bf16a5d..1337ccab048 100644 --- a/arch/arm/lib/div0.c +++ b/arch/arm/lib/div0.c @@ -2,23 +2,7 @@ * (C) Copyright 2002 * 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. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA + * SPDX-License-Identifier: GPL-2.0+ */ /* Replacement (=dummy) for GNU/Linux division-by zero handler */ diff --git a/arch/arm/lib/eabi_compat.c b/arch/arm/lib/eabi_compat.c index 44eebe0a5d2..10d19333fc1 100644 --- a/arch/arm/lib/eabi_compat.c +++ b/arch/arm/lib/eabi_compat.c @@ -3,10 +3,7 @@ * * (C) Copyright 2009 Wolfgang Denk <wd@denx.de> * - * 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. + * SPDX-License-Identifier: GPL-2.0+ */ #include <common.h> diff --git a/arch/arm/lib/interrupts.c b/arch/arm/lib/interrupts.c index 02124a70411..04b70f6cc86 100644 --- a/arch/arm/lib/interrupts.c +++ b/arch/arm/lib/interrupts.c @@ -16,23 +16,7 @@ * (C) Copyright 2004 * Philippe Robin, ARM Ltd. <philippe.robin@arm.com> * - * 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. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA + * SPDX-License-Identifier: GPL-2.0+ */ #include <common.h> diff --git a/arch/arm/lib/relocate.S b/arch/arm/lib/relocate.S new file mode 100644 index 00000000000..a62a5565612 --- /dev/null +++ b/arch/arm/lib/relocate.S @@ -0,0 +1,74 @@ +/* + * relocate - common relocation function for ARM U-Boot + * + * Copyright (c) 2013 Albert ARIBAUD <albert.u.boot@aribaud.net> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <linux/linkage.h> + +/* + * void relocate_code(addr_moni) + * + * This function relocates the monitor code. + * + * NOTE: + * To prevent the code below from containing references with an R_ARM_ABS32 + * relocation record type, we never refer to linker-defined symbols directly. + * Instead, we declare literals which contain their relative location with + * respect to relocate_code, and at run time, add relocate_code back to them. + */ + +ENTRY(relocate_code) + ldr r1, =__image_copy_start /* r1 <- SRC &__image_copy_start */ + subs r4, r0, r1 /* r4 <- relocation offset */ + beq relocate_done /* skip relocation */ + ldr r2, =__image_copy_end /* r2 <- SRC &__image_copy_end */ + +copy_loop: + ldmia r1!, {r10-r11} /* copy from source address [r1] */ + stmia r0!, {r10-r11} /* copy to target address [r0] */ + cmp r1, r2 /* until source end address [r2] */ + blo copy_loop + + /* + * fix .rel.dyn relocations + */ + ldr r2, =__rel_dyn_start /* r2 <- SRC &__rel_dyn_start */ + ldr r3, =__rel_dyn_end /* r3 <- SRC &__rel_dyn_end */ +fixloop: + ldmia r2!, {r0-r1} /* (r0,r1) <- (SRC location,fixup) */ + and r1, r1, #0xff + cmp r1, #23 /* relative fixup? */ + bne fixnext + + /* relative fix: increase location by offset */ + add r0, r0, r4 + ldr r1, [r0] + add r1, r1, r4 + str r1, [r0] +fixnext: + cmp r2, r3 + blo fixloop + +relocate_done: + +#ifdef __XSCALE__ + /* + * On xscale, icache must be invalidated and write buffers drained, + * even with cache disabled - 4.2.7 of xscale core developer's manual + */ + mcr p15, 0, r0, c7, c7, 0 /* invalidate icache */ + mcr p15, 0, r0, c7, c10, 4 /* drain write buffer */ +#endif + + /* ARMv4- don't know bx lr but the assembler fails to see that */ + +#ifdef __ARM_ARCH_4__ + mov pc, lr +#else + bx lr +#endif + +ENDPROC(relocate_code) diff --git a/arch/arm/lib/reset.c b/arch/arm/lib/reset.c index 08e6acb2615..7a0358071ce 100644 --- a/arch/arm/lib/reset.c +++ b/arch/arm/lib/reset.c @@ -18,23 +18,7 @@ * * (C) Copyright 2004 Texas Insturments * - * 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. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA + * SPDX-License-Identifier: GPL-2.0+ */ #include <common.h> diff --git a/arch/arm/lib/sections.c b/arch/arm/lib/sections.c new file mode 100644 index 00000000000..e35687c09cd --- /dev/null +++ b/arch/arm/lib/sections.c @@ -0,0 +1,27 @@ +/* + * Copyright 2013 Albert ARIBAUD <albert.u.boot@aribaud.net> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +/** + * These two symbols are declared in a C file so that the linker + * uses R_ARM_RELATIVE relocation, rather than the R_ARM_ABS32 one + * it would use if the symbols were defined in the linker file. + * Using only R_ARM_RELATIVE relocation ensures that references to + * the symbols are correct after as well as before relocation. + * + * We need a 0-byte-size type for these symbols, and the compiler + * does not allow defining objects of C type 'void'. Using an empty + * struct is allowed by the compiler, but causes gcc versions 4.4 and + * below to complain about aliasing. Therefore we use the next best + * thing: zero-sized arrays, which are both 0-byte-size and exempt from + * aliasing warnings. + */ + +char __bss_start[0] __attribute__((section(".__bss_start"))); +char __bss_end[0] __attribute__((section(".__bss_end"))); +char __image_copy_start[0] __attribute__((section(".__image_copy_start"))); +char __image_copy_end[0] __attribute__((section(".__image_copy_end"))); +char __rel_dyn_start[0] __attribute__((section(".__rel_dyn_start"))); +char __rel_dyn_end[0] __attribute__((section(".__rel_dyn_end"))); diff --git a/arch/arm/lib/spl.c b/arch/arm/lib/spl.c index 301f082ea3e..dfcc5968154 100644 --- a/arch/arm/lib/spl.c +++ b/arch/arm/lib/spl.c @@ -5,23 +5,7 @@ * Aneesh V <aneesh@ti.com> * Tom Rini <trini@ti.com> * - * 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. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA + * SPDX-License-Identifier: GPL-2.0+ */ #include <common.h> #include <config.h> @@ -41,9 +25,6 @@ gd_t gdata __attribute__ ((section(".data"))); */ void __weak board_init_f(ulong dummy) { - /* Set the stack pointer. */ - asm volatile("mov sp, %0\n" : : "r"(CONFIG_SPL_STACK)); - /* Clear the BSS. */ memset(__bss_start, 0, __bss_end - __bss_start); @@ -61,12 +42,17 @@ void __weak board_init_f(ulong dummy) #ifdef CONFIG_SPL_OS_BOOT void __noreturn jump_to_image_linux(void *arg) { + unsigned long machid = 0xffffffff; +#ifdef CONFIG_MACH_TYPE + machid = CONFIG_MACH_TYPE; +#endif + debug("Entering kernel arg pointer: 0x%p\n", arg); typedef void (*image_entry_arg_t)(int, int, void *) __attribute__ ((noreturn)); image_entry_arg_t image_entry = (image_entry_arg_t) spl_image.entry_point; cleanup_before_linux(); - image_entry(0, CONFIG_MACH_TYPE, arg); + image_entry(0, machid, arg); } #endif |