diff options
Diffstat (limited to 'arch/sandbox')
| -rw-r--r-- | arch/sandbox/config.mk | 20 | ||||
| -rw-r--r-- | arch/sandbox/cpu/Makefile | 50 | ||||
| -rw-r--r-- | arch/sandbox/cpu/cpu.c | 62 | ||||
| -rw-r--r-- | arch/sandbox/cpu/os.c | 55 | ||||
| -rw-r--r-- | arch/sandbox/cpu/start.c | 33 | ||||
| -rw-r--r-- | arch/sandbox/cpu/u-boot.lds | 34 | ||||
| -rw-r--r-- | arch/sandbox/include/asm/bitops.h | 162 | ||||
| -rw-r--r-- | arch/sandbox/include/asm/byteorder.h | 40 | ||||
| -rw-r--r-- | arch/sandbox/include/asm/config.h | 26 | ||||
| -rw-r--r-- | arch/sandbox/include/asm/global_data.h | 66 | ||||
| -rw-r--r-- | arch/sandbox/include/asm/io.h | 41 | ||||
| -rw-r--r-- | arch/sandbox/include/asm/posix_types.h | 57 | ||||
| -rw-r--r-- | arch/sandbox/include/asm/ptrace.h | 38 | ||||
| -rw-r--r-- | arch/sandbox/include/asm/string.h | 23 | ||||
| -rw-r--r-- | arch/sandbox/include/asm/system.h | 36 | ||||
| -rw-r--r-- | arch/sandbox/include/asm/types.h | 72 | ||||
| -rw-r--r-- | arch/sandbox/include/asm/u-boot-sandbox.h | 38 | ||||
| -rw-r--r-- | arch/sandbox/include/asm/u-boot.h | 64 | ||||
| -rw-r--r-- | arch/sandbox/include/asm/unaligned.h | 23 | ||||
| -rw-r--r-- | arch/sandbox/lib/Makefile | 51 | ||||
| -rw-r--r-- | arch/sandbox/lib/board.c | 276 | ||||
| -rw-r--r-- | arch/sandbox/lib/interrupts.c | 39 |
22 files changed, 1306 insertions, 0 deletions
diff --git a/arch/sandbox/config.mk b/arch/sandbox/config.mk new file mode 100644 index 0000000..ab33026 --- /dev/null +++ b/arch/sandbox/config.mk @@ -0,0 +1,20 @@ +# Copyright (c) 2011 The Chromium OS Authors. +# 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 + +PLATFORM_CPPFLAGS += -DCONFIG_SANDBOX -D__SANDBOX__ diff --git a/arch/sandbox/cpu/Makefile b/arch/sandbox/cpu/Makefile new file mode 100644 index 0000000..e5e860b --- /dev/null +++ b/arch/sandbox/cpu/Makefile @@ -0,0 +1,50 @@ +# +# Copyright (c) 2011 The Chromium OS Authors. +# +# (C) Copyright 2000-2003 +# 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 +# + +# os.c is build in the system environment, so needs standard includes +CPPFLAGS_arch/sandbox/cpu/os.o += -I/usr/include + +include $(TOPDIR)/config.mk + +LIB = $(obj)lib$(CPU).o + +COBJS := cpu.o start.o os.o + +SRCS := $(COBJS:.o=.c) +OBJS := $(addprefix $(obj),$(COBJS)) + +all: $(obj).depend $(LIB) + +$(LIB): $(OBJS) + $(call cmd_link_o_target, $(OBJS)) + +######################################################################### + +# defines $(obj).depend target +include $(SRCTREE)/rules.mk + +sinclude $(obj).depend + +######################################################################### diff --git a/arch/sandbox/cpu/cpu.c b/arch/sandbox/cpu/cpu.c new file mode 100644 index 0000000..c7bf8a9 --- /dev/null +++ b/arch/sandbox/cpu/cpu.c @@ -0,0 +1,62 @@ +/* + * Copyright (c) 2011 The Chromium OS Authors. + * 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 + */ + +#include <common.h> +#include <os.h> + +DECLARE_GLOBAL_DATA_PTR; + +int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) +{ + /* This is considered normal termination for now */ + os_exit(0); + return 0; +} + +/* delay x useconds */ +void __udelay(unsigned long usec) +{ + /* Ignore this for now */ +} + +unsigned long timer_get_us(void) +{ + return 0; +} + +int do_bootm_linux(int flag, int argc, char *argv[], bootm_headers_t *images) +{ + return -1; +} + +int cleanup_before_linux(void) +{ + return 0; +} + +void *map_physmem(phys_addr_t paddr, unsigned long len, unsigned long flags) +{ + return (void *)(gd->ram_buf + paddr); +} + +void flush_dcache_range(unsigned long start, unsigned long stop) +{ +} diff --git a/arch/sandbox/cpu/os.c b/arch/sandbox/cpu/os.c new file mode 100644 index 0000000..6c175d4 --- /dev/null +++ b/arch/sandbox/cpu/os.c @@ -0,0 +1,55 @@ +/* + * Copyright (c) 2011 The Chromium OS Authors. + * 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 + */ + +#include <fcntl.h> +#include <stdlib.h> +#include <unistd.h> +#include <sys/types.h> +#include <sys/stat.h> + +#include <os.h> + +/* Operating System Interface */ + +ssize_t os_read(int fd, void *buf, size_t count) +{ + return read(fd, buf, count); +} + +ssize_t os_write(int fd, const void *buf, size_t count) +{ + return write(fd, buf, count); +} + +int os_open(const char *pathname, int flags) +{ + return open(pathname, flags); +} + +int os_close(int fd) +{ + return close(fd); +} + +void os_exit(int exit_code) +{ + exit(exit_code); +} diff --git a/arch/sandbox/cpu/start.c b/arch/sandbox/cpu/start.c new file mode 100644 index 0000000..685793e --- /dev/null +++ b/arch/sandbox/cpu/start.c @@ -0,0 +1,33 @@ +/* + * Copyright (c) 2011 The Chromium OS Authors. + * 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 + */ + +#include <common.h> + +int main(int argc, char *argv[]) +{ + /* + * Do pre- and post-relocation init, then start up U-Boot. This will + * never return. + */ + board_init_f(0); + + return 0; +} diff --git a/arch/sandbox/cpu/u-boot.lds b/arch/sandbox/cpu/u-boot.lds new file mode 100644 index 0000000..2d2e50f --- /dev/null +++ b/arch/sandbox/cpu/u-boot.lds @@ -0,0 +1,34 @@ +/* + * Copyright (c) 2011 The Chromium OS Authors. + * Use of this source code is governed by a BSD-style license that can be + * found in the LICENSE file. + * + * 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 + */ + +SECTIONS +{ + __u_boot_cmd_start = .; + .u_boot_cmd : { *(.u_boot_cmd) } + __u_boot_cmd_end = .; + __bss_start = .; + +} + +INSERT BEFORE .data; diff --git a/arch/sandbox/include/asm/bitops.h b/arch/sandbox/include/asm/bitops.h new file mode 100644 index 0000000..74219c5 --- /dev/null +++ b/arch/sandbox/include/asm/bitops.h @@ -0,0 +1,162 @@ +/* + * Copyright (c) 2011 The Chromium OS Authors. + * + * Copyright 1995, Russell King. + * Various bits and pieces copyrights include: + * Linus Torvalds (test_bit). + * + * bit 0 is the LSB of addr; bit 32 is the LSB of (addr+1). + * + * Please note that the code in this file should never be included + * from user space. Many of these are not implemented in assembler + * since they would be too costly. Also, they require priviledged + * instructions (which are not available from user mode) to ensure + * that they are atomic. + */ + +#ifndef __ASM_SANDBOX_BITOPS_H +#define __ASM_SANDBOX_BITOPS_H + +#include <asm/system.h> + +#ifdef __KERNEL__ + +#define smp_mb__before_clear_bit() do { } while (0) +#define smp_mb__after_clear_bit() do { } while (0) + +/* + * Function prototypes to keep gcc -Wall happy. + */ +extern void set_bit(int nr, void *addr); + +extern void clear_bit(int nr, void *addr); + +extern void change_bit(int nr, void *addr); + +static inline void __change_bit(int nr, void *addr) +{ + unsigned long mask = BIT_MASK(nr); + unsigned long *p = ((unsigned long *)addr) + BIT_WORD(nr); + + *p ^= mask; +} + +static inline int __test_and_set_bit(int nr, void *addr) +{ + unsigned long mask = BIT_MASK(nr); + unsigned long *p = ((unsigned long *)addr) + BIT_WORD(nr); + unsigned long old = *p; + + *p = old | mask; + return (old & mask) != 0; +} + +static inline int test_and_set_bit(int nr, void *addr) +{ + unsigned long flags; + int out; + + local_irq_save(flags); + out = __test_and_set_bit(nr, addr); + local_irq_restore(flags); + + return out; +} + +static inline int __test_and_clear_bit(int nr, void *addr) +{ + unsigned long mask = BIT_MASK(nr); + unsigned long *p = ((unsigned long *)addr) + BIT_WORD(nr); + unsigned long old = *p; + + *p = old & ~mask; + return (old & mask) != 0; +} + +static inline int test_and_clear_bit(int nr, void *addr) +{ + unsigned long flags; + int out; + + local_irq_save(flags); + out = __test_and_clear_bit(nr, addr); + local_irq_restore(flags); + + return out; +} + +extern int test_and_change_bit(int nr, void *addr); + +static inline int __test_and_change_bit(int nr, void *addr) +{ + unsigned long mask = BIT_MASK(nr); + unsigned long *p = ((unsigned long *)addr) + BIT_WORD(nr); + unsigned long old = *p; + + *p = old ^ mask; + return (old & mask) != 0; +} + +extern int find_first_zero_bit(void *addr, unsigned size); +extern int find_next_zero_bit(void *addr, int size, int offset); + +/* + * This routine doesn't need to be atomic. + */ +static inline int test_bit(int nr, const void *addr) +{ + return ((unsigned char *) addr)[nr >> 3] & (1U << (nr & 7)); +} + +/* + * ffz = Find First Zero in word. Undefined if no zero exists, + * so code should check against ~0UL first.. + */ +static inline unsigned long ffz(unsigned long word) +{ + int k; + + word = ~word; + k = 31; + if (word & 0x0000ffff) { + k -= 16; word <<= 16; + } + if (word & 0x00ff0000) { + k -= 8; word <<= 8; + } + if (word & 0x0f000000) { + k -= 4; word <<= 4; + } + if (word & 0x30000000) { + k -= 2; word <<= 2; + } + if (word & 0x40000000) + k -= 1; + return k; +} + +/* + * hweightN: returns the hamming weight (i.e. the number + * of bits set) of a N-bit word + */ + +#define hweight32(x) generic_hweight32(x) +#define hweight16(x) generic_hweight16(x) +#define hweight8(x) generic_hweight8(x) + +#define ext2_set_bit test_and_set_bit +#define ext2_clear_bit test_and_clear_bit +#define ext2_test_bit test_bit +#define ext2_find_first_zero_bit find_first_zero_bit +#define ext2_find_next_zero_bit find_next_zero_bit + +/* Bitmap functions for the minix filesystem. */ +#define minix_test_and_set_bit(nr, addr) test_and_set_bit(nr, addr) +#define minix_set_bit(nr, addr) set_bit(nr, addr) +#define minix_test_and_clear_bit(nr, addr) test_and_clear_bit(nr, addr) +#define minix_test_bit(nr, addr) test_bit(nr, addr) +#define minix_find_first_zero_bit(addr, size) find_first_zero_bit(addr, size) + +#endif /* __KERNEL__ */ + +#endif /* _ARM_BITOPS_H */ diff --git a/arch/sandbox/include/asm/byteorder.h b/arch/sandbox/include/asm/byteorder.h new file mode 100644 index 0000000..ff87284 --- /dev/null +++ b/arch/sandbox/include/asm/byteorder.h @@ -0,0 +1,40 @@ +/* + * Copyright (c) 2011 The Chromium OS Authors. + * + * 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 + */ + +#ifndef __ASM_SANDBOX_BYTEORDER_H +#define __ASM_SANDBOX_BYTEORDER_H + + +#include <asm/types.h> + +#if !defined(__STRICT_ANSI__) || defined(__KERNEL__) +# define __BYTEORDER_HAS_U64__ +# define __SWAB_64_THRU_32__ +#endif + +#ifdef CONFIG_SANDBOX_BIG_ENDIAN +#include <linux/byteorder/big_endian.h> +#else +#include <linux/byteorder/little_endian.h> +#endif + +#endif diff --git a/arch/sandbox/include/asm/config.h b/arch/sandbox/include/asm/config.h new file mode 100644 index 0000000..2ef0564 --- /dev/null +++ b/arch/sandbox/include/asm/config.h @@ -0,0 +1,26 @@ +/* + * Copyright (c) 2011 The Chromium OS Authors. + * + * 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 + * + */ + +#ifndef _ASM_CONFIG_H_ +#define _ASM_CONFIG_H_ + +#define CONFIG_SANDBOX_ARCH + +#endif diff --git a/arch/sandbox/include/asm/global_data.h b/arch/sandbox/include/asm/global_data.h new file mode 100644 index 0000000..8d47191 --- /dev/null +++ b/arch/sandbox/include/asm/global_data.h @@ -0,0 +1,66 @@ +/* + * Copyright (c) 2011 The Chromium OS Authors. + * + * (C) Copyright 2002-2010 + * 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 + */ + +#ifndef __ASM_GBL_DATA_H +#define __ASM_GBL_DATA_H +/* + * The following data structure is placed in some memory wich is + * available very early after boot (like DPRAM on MPC8xx/MPC82xx, or + * some locked parts of the data cache) to allow for a minimum set of + * global variables during system initialization (until we have set + * up the memory controller so that we can use RAM). + * + * Keep it *SMALL* and remember to set GENERATED_GBL_DATA_SIZE > sizeof(gd_t) + */ + +typedef struct global_data { + bd_t *bd; + unsigned long flags; + unsigned long baudrate; + unsigned long have_console; /* serial_init() was called */ + unsigned long env_addr; /* Address of Environment struct */ + unsigned long env_valid; /* Checksum of Environment valid? */ + unsigned long fb_base; /* base address of frame buffer */ + u8 *ram_buf; /* emulated RAM buffer */ + phys_size_t ram_size; /* RAM size */ + void **jt; /* jump table */ + char env_buf[32]; /* buffer for getenv() before reloc. */ +} gd_t; + +/* + * Global Data Flags + */ +#define GD_FLG_RELOC 0x00001 /* Code was relocated to RAM */ +#define GD_FLG_DEVINIT 0x00002 /* Devices have been initialized */ +#define GD_FLG_SILENT 0x00004 /* Silent mode */ +#define GD_FLG_POSTFAIL 0x00008 /* Critical POST test failed */ +#define GD_FLG_POSTSTOP 0x00010 /* POST seqeunce aborted */ +#define GD_FLG_LOGINIT 0x00020 /* Log Buffer has been initialized */ +#define GD_FLG_DISABLE_CONSOLE 0x00040 /* Disable console (in & out) */ +#define GD_FLG_ENV_READY 0x00080 /* Env. imported into hash table */ + +#define DECLARE_GLOBAL_DATA_PTR extern gd_t *gd + +#endif /* __ASM_GBL_DATA_H */ diff --git a/arch/sandbox/include/asm/io.h b/arch/sandbox/include/asm/io.h new file mode 100644 index 0000000..0392d21 --- /dev/null +++ b/arch/sandbox/include/asm/io.h @@ -0,0 +1,41 @@ +/* + * Copyright (c) 2011 The Chromium OS Authors. + * + * 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 + */ + +/* + * Given a physical address and a length, return a virtual address + * that can be used to access the memory range with the caching + * properties specified by "flags". + */ +#define MAP_NOCACHE (0) +#define MAP_WRCOMBINE (0) +#define MAP_WRBACK (0) +#define MAP_WRTHROUGH (0) + +void *map_physmem(phys_addr_t paddr, unsigned long len, unsigned long flags); + +/* + * Take down a mapping set up by map_physmem(). + */ +static inline void unmap_physmem(void *vaddr, unsigned long flags) +{ + +} diff --git a/arch/sandbox/include/asm/posix_types.h b/arch/sandbox/include/asm/posix_types.h new file mode 100644 index 0000000..ec18ed7 --- /dev/null +++ b/arch/sandbox/include/asm/posix_types.h @@ -0,0 +1,57 @@ +/* + * linux/include/asm-arm/posix_types.h + * + * Copyright (C) 1996-1998 Russell King. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * Changelog: + * 27-06-1996 RMK Created + */ +#ifndef __ARCH_ARM_POSIX_TYPES_H +#define __ARCH_ARM_POSIX_TYPES_H + +/* + * This file is generally used by user-level software, so you need to + * be a little careful about namespace pollution etc. Also, we cannot + * assume GCC is being used. + */ + +typedef unsigned short __kernel_dev_t; +typedef unsigned long __kernel_ino_t; +typedef unsigned short __kernel_mode_t; +typedef unsigned short __kernel_nlink_t; +typedef long __kernel_off_t; +typedef int __kernel_pid_t; +typedef unsigned short __kernel_ipc_pid_t; +typedef unsigned short __kernel_uid_t; +typedef unsigned short __kernel_gid_t; +#if CONFIG_SANDBOX_BITS_PER_LONG == 32 +typedef unsigned int __kernel_size_t; +typedef int __kernel_ssize_t; +typedef int __kernel_ptrdiff_t; +#else +typedef unsigned long __kernel_size_t; +typedef long __kernel_ssize_t; +typedef long __kernel_ptrdiff_t; +#endif +typedef long __kernel_time_t; +typedef long __kernel_suseconds_t; +typedef long __kernel_clock_t; +typedef int __kernel_daddr_t; +typedef char *__kernel_caddr_t; +typedef unsigned short __kernel_uid16_t; +typedef unsigned short __kernel_gid16_t; +typedef unsigned int __kernel_uid32_t; +typedef unsigned int __kernel_gid32_t; + +typedef unsigned short __kernel_old_uid_t; +typedef unsigned short __kernel_old_gid_t; + +#ifdef __GNUC__ +typedef long long __kernel_loff_t; +#endif + +#endif diff --git a/arch/sandbox/include/asm/ptrace.h b/arch/sandbox/include/asm/ptrace.h new file mode 100644 index 0000000..613d459 --- /dev/null +++ b/arch/sandbox/include/asm/ptrace.h @@ -0,0 +1,38 @@ +/* + * Copyright (c) 2011 The Chromium OS Authors. + * + * 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 + */ + +#ifndef __ASM_SANDBOX_PTRACE_H +#define __ASM_SANDBOX_PTRACE_H + +#ifndef __ASSEMBLY__ +/* This is not used in the sandbox architecture, but required by U-Boot */ +struct pt_regs { +}; + +#ifdef __KERNEL__ +extern void show_regs(struct pt_regs *); + +#endif + +#endif /* __ASSEMBLY__ */ + +#endif diff --git a/arch/sandbox/include/asm/string.h b/arch/sandbox/include/asm/string.h new file mode 100644 index 0000000..89b7f06 --- /dev/null +++ b/arch/sandbox/include/asm/string.h @@ -0,0 +1,23 @@ +/* + * Copyright (c) 2011 The Chromium OS Authors. + * + * 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 + */ + +#include <linux/string.h> diff --git a/arch/sandbox/include/asm/system.h b/arch/sandbox/include/asm/system.h new file mode 100644 index 0000000..78cdc9fa8 --- /dev/null +++ b/arch/sandbox/include/asm/system.h @@ -0,0 +1,36 @@ +/* + * Copyright (c) 2011 The Chromium OS Authors. + * + * 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 + */ + +#ifndef __ASM_SANDBOX_SYSTEM_H +#define __ASM_SANDBOX_SYSTEM_H + +/* Define this as nops for sandbox architecture */ +static inline void local_irq_save(unsigned flags __attribute__((unused))) +{ +} + +#define local_irq_enable() +#define local_irq_disable() +#define local_save_flags(x) +#define local_irq_restore(x) + +#endif diff --git a/arch/sandbox/include/asm/types.h b/arch/sandbox/include/asm/types.h new file mode 100644 index 0000000..2316c2d --- /dev/null +++ b/arch/sandbox/include/asm/types.h @@ -0,0 +1,72 @@ +/* + * Copyright (c) 2011 The Chromium OS Authors. + * + * 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 + */ + +#ifndef __ASM_SANDBOX_TYPES_H +#define __ASM_SANDBOX_TYPES_H + +typedef unsigned short umode_t; + +/* + * __xx is ok: it doesn't pollute the POSIX namespace. Use these in the + * header files exported to user space + */ + +typedef __signed__ char __s8; +typedef unsigned char __u8; + +typedef __signed__ short __s16; +typedef unsigned short __u16; + +typedef __signed__ int __s32; +typedef unsigned int __u32; + +#if defined(__GNUC__) +__extension__ typedef __signed__ long long __s64; +__extension__ typedef unsigned long long __u64; +#endif + +/* + * These aren't exported outside the kernel to avoid name space clashes + */ +#ifdef __KERNEL__ + +typedef signed char s8; +typedef unsigned char u8; + +typedef signed short s16; +typedef unsigned short u16; + +typedef signed int s32; +typedef unsigned int u32; + +typedef signed long long s64; +typedef unsigned long long u64; + +#define BITS_PER_LONG CONFIG_SANDBOX_BITS_PER_LONG + +typedef unsigned long dma_addr_t; +typedef unsigned long phys_addr_t; +typedef unsigned long phys_size_t; + +#endif /* __KERNEL__ */ + +#endif diff --git a/arch/sandbox/include/asm/u-boot-sandbox.h b/arch/sandbox/include/asm/u-boot-sandbox.h new file mode 100644 index 0000000..236b4ee --- /dev/null +++ b/arch/sandbox/include/asm/u-boot-sandbox.h @@ -0,0 +1,38 @@ +/* + * Copyright (c) 2011 The Chromium OS Authors. + * + * (C) Copyright 2002 + * Sysgo Real-Time Solutions, GmbH <www.elinos.com> + * Marius Groeger <mgroeger@sysgo.de> + * + * (C) Copyright 2002 + * Sysgo Real-Time Solutions, GmbH <www.elinos.com> + * Alex Zuepke <azu@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 + */ + +#ifndef _U_BOOT_SANDBOX_H_ +#define _U_BOOT_SANDBOX_H_ + +/* board/.../... */ +int board_init(void); +int dram_init(void); + +#endif /* _U_BOOT_SANDBOX_H_ */ diff --git a/arch/sandbox/include/asm/u-boot.h b/arch/sandbox/include/asm/u-boot.h new file mode 100644 index 0000000..166ef14 --- /dev/null +++ b/arch/sandbox/include/asm/u-boot.h @@ -0,0 +1,64 @@ +/* + * (C) Copyright 2002 + * Sysgo Real-Time Solutions, GmbH <www.elinos.com> + * Marius Groeger <mgroeger@sysgo.de> + * + * (C) Copyright 2002 + * Sysgo Real-Time Solutions, GmbH <www.elinos.com> + * Alex Zuepke <azu@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 + * + ******************************************************************** + * NOTE: This header file defines an interface to U-Boot. Including + * this (unmodified) header file in another file is considered normal + * use of U-Boot, and does *not* fall under the heading of "derived + * work". + ******************************************************************** + */ + +#ifndef _U_BOOT_H_ +#define _U_BOOT_H_ 1 + +typedef struct bd_info { + unsigned long bi_memstart; /* start of DRAM memory */ + phys_size_t bi_memsize; /* size of DRAM memory in bytes */ + unsigned long bi_flashstart; /* start of FLASH memory */ + unsigned long bi_flashsize; /* size of FLASH memory */ + unsigned long bi_flashoffset; /* reserved area for startup monitor */ + unsigned long bi_sramstart; /* start of SRAM memory */ + unsigned long bi_sramsize; /* size of SRAM memory */ + unsigned long bi_bootflags; /* boot / reboot flag (for LynxOS) */ + unsigned long bi_ip_addr; /* IP Address */ + unsigned short bi_ethspeed; /* Ethernet speed in Mbps */ + unsigned long bi_intfreq; /* Internal Freq, in MHz */ + unsigned long bi_busfreq; /* Bus Freq, in MHz */ + unsigned int bi_baudrate; /* Console Baudrate */ + unsigned long bi_boot_params; /* where this board expects params */ + struct /* RAM configuration */ + { + ulong start; + ulong size; + } bi_dram[CONFIG_NR_DRAM_BANKS]; +} bd_t; + +/* For image.h:image_check_target_arch() */ +#define IH_ARCH_DEFAULT IH_ARCH_SANDBOX + +#endif /* _U_BOOT_H_ */ diff --git a/arch/sandbox/include/asm/unaligned.h b/arch/sandbox/include/asm/unaligned.h new file mode 100644 index 0000000..6cf9780 --- /dev/null +++ b/arch/sandbox/include/asm/unaligned.h @@ -0,0 +1,23 @@ +/* + * Copyright (c) 2011 The Chromium OS Authors. + * + * 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 + */ + +#include <asm-generic/unaligned.h> diff --git a/arch/sandbox/lib/Makefile b/arch/sandbox/lib/Makefile new file mode 100644 index 0000000..fbe579b --- /dev/null +++ b/arch/sandbox/lib/Makefile @@ -0,0 +1,51 @@ +# +# Copyright (c) 2011 The Chromium OS Authors. +# +# (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 +# + +include $(TOPDIR)/config.mk + +LIB = $(obj)lib$(ARCH).o + +COBJS-y += board.o +COBJS-y += interrupts.o + +SRCS := $(COBJS-y:.o=.c) +OBJS := $(addprefix $(obj),$(COBJS-y)) + +# Always build libsandbox.o +TARGETS := $(LIB) + +all: $(TARGETS) + +$(LIB): $(obj).depend $(OBJS) + $(call cmd_link_o_target, $(OBJS)) + +######################################################################### + +# defines $(obj).depend target +include $(SRCTREE)/rules.mk + +sinclude $(obj).depend + +######################################################################### diff --git a/arch/sandbox/lib/board.c b/arch/sandbox/lib/board.c new file mode 100644 index 0000000..1fd8fa6 --- /dev/null +++ b/arch/sandbox/lib/board.c @@ -0,0 +1,276 @@ +/* + * Copyright (c) 2011 The Chromium OS Authors. + * + * (C) Copyright 2002-2006 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * (C) Copyright 2002 + * 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 + */ + +/* + * This file was taken from ARM and changed to remove things we don't + * need. This is most of it, so have tried to avoid being over-zealous! + * For example, we want to have an emulation of the 'DRAM' used by + * U-Boot. + * + * has been talk upstream of unifying the architectures w.r.t board.c, + * so the less change here the better. + */ + +#include <common.h> +#include <command.h> +#include <malloc.h> +#include <stdio_dev.h> +#include <timestamp.h> +#include <version.h> +#include <serial.h> + +DECLARE_GLOBAL_DATA_PTR; + +/************************************************************************ + * Init Utilities * + ************************************************************************ + * Some of this code should be moved into the core functions, + * or dropped completely, + * but let's get it working (again) first... + */ + +static int display_banner(void) +{ + display_options(); + + return 0; +} + +/** + * Configure and report on the DRAM configuration, which in our case is + * fairly simple. + */ +static int display_dram_config(void) +{ + ulong size = 0; + int i; + + debug("RAM Configuration:\n"); + + for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) { +#ifdef DEBUG + printf("Bank #%d: %08lx ", i, gd->bd->bi_dram[i].start); + print_size(gd->bd->bi_dram[i].size, "\n"); +#endif + size += gd->bd->bi_dram[i].size; + } + puts("DRAM: "); + print_size(size, "\n"); + return 0; +} + +/* + * Breathe some life into the board... + * + * Initialize a serial port as console, and carry out some hardware + * tests. + * + * The first part of initialization is running from Flash memory; + * its main purpose is to initialize the RAM so that we + * can relocate the monitor code to RAM. + */ + +/* + * All attempts to come up with a "common" initialization sequence + * that works for all boards and architectures failed: some of the + * requirements are just _too_ different. To get rid of the resulting + * mess of board dependent #ifdef'ed code we now make the whole + * initialization sequence configurable to the user. + * + * The requirements for any new initalization function is simple: it + * receives a pointer to the "global data" structure as it's only + * argument, and returns an integer return code, where 0 means + * "continue" and != 0 means "fatal error, hang the system". + */ +typedef int (init_fnc_t) (void); + +void __dram_init_banksize(void) +{ + gd->bd->bi_dram[0].start = 0; + gd->bd->bi_dram[0].size = gd->ram_size; +} + +void dram_init_banksize(void) + __attribute__((weak, alias("__dram_init_banksize"))); + +init_fnc_t *init_sequence[] = { +#if defined(CONFIG_ARCH_CPU_INIT) + arch_cpu_init, /* basic arch cpu dependent setup */ +#endif +#if defined(CONFIG_BOARD_EARLY_INIT_F) + board_early_init_f, +#endif + timer_init, /* initialize timer */ + env_init, /* initialize environment */ + serial_init, /* serial communications setup */ + console_init_f, /* stage 1 init of console */ + display_banner, /* say that we are here */ +#if defined(CONFIG_DISPLAY_CPUINFO) + print_cpuinfo, /* display cpu info (and speed) */ +#endif +#if defined(CONFIG_DISPLAY_BOARDINFO) + checkboard, /* display board info */ +#endif + dram_init, /* configure available RAM banks */ + NULL, +}; + +void board_init_f(ulong bootflag) +{ + init_fnc_t **init_fnc_ptr; + uchar *mem; + unsigned long addr_sp, addr, size; + + gd = malloc(sizeof(gd_t)); + assert(gd); + + memset((void *)gd, 0, sizeof(gd_t)); + + for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) { + if ((*init_fnc_ptr)() != 0) + hang(); + } + + size = CONFIG_SYS_SDRAM_SIZE; + mem = malloc(size); + assert(mem); + gd->ram_buf = mem; + addr = (ulong)(mem + size); + + /* + * reserve memory for malloc() arena + */ + addr_sp = addr - TOTAL_MALLOC_LEN; + debug("Reserving %dk for malloc() at: %08lx\n", + TOTAL_MALLOC_LEN >> 10, addr_sp); + /* + * (permanently) allocate a Board Info struct + * and a permanent copy of the "global" data + */ + addr_sp -= sizeof(bd_t); + gd->bd = (bd_t *) addr_sp; + debug("Reserving %zu Bytes for Board Info at: %08lx\n", + sizeof(bd_t), addr_sp); + + /* Ram ist board specific, so move it to board code ... */ + dram_init_banksize(); + display_dram_config(); /* and display it */ + + /* We don't relocate, so just run the post-relocation code */ + board_init_r(NULL, 0); + + /* NOTREACHED - no way out of command loop except booting */ +} + +/************************************************************************ + * + * This is the next part if the initialization sequence: we are now + * running from RAM and have a "normal" C environment, i. e. global + * data can be written, BSS has been cleared, the stack size in not + * that critical any more, etc. + * + ************************************************************************ + */ + +void board_init_r(gd_t *id, ulong dest_addr) +{ + + if (id) + gd = id; + + gd->flags |= GD_FLG_RELOC; /* tell others: relocation done */ + +#ifdef CONFIG_SERIAL_MULTI + serial_initialize(); +#endif + +#ifdef CONFIG_POST + post_output_backlog(); +#endif + +#if 0 /* Sandbox uses system malloc for now */ + /* The Malloc area is immediately below the monitor copy in DRAM */ + malloc_start = dest_addr - TOTAL_MALLOC_LEN; + mem_malloc_init(malloc_start, TOTAL_MALLOC_LEN); +#endif + + /* initialize environment */ + env_relocate(); + + /* IP Address */ + gd->bd->bi_ip_addr = getenv_IPaddr("ipaddr"); + + stdio_init(); /* get the devices list going. */ + + jumptable_init(); + + console_init_r(); /* fully init console as a device */ + +#if defined(CONFIG_DISPLAY_BOARDINFO_LATE) + checkboard(); +#endif + +#if defined(CONFIG_ARCH_MISC_INIT) + /* miscellaneous arch dependent initialisations */ + arch_misc_init(); +#endif +#if defined(CONFIG_MISC_INIT_R) + /* miscellaneous platform dependent initialisations */ + misc_init_r(); +#endif + + /* set up exceptions */ + interrupt_init(); + /* enable exceptions */ + enable_interrupts(); + +#ifdef BOARD_LATE_INIT + board_late_init(); +#endif + +#ifdef CONFIG_POST + post_run(NULL, POST_RAM | post_bootmode_get(0)); +#endif + + /* + * For now, run the main loop. Later we might let this be done + * in the main program. + */ + while (1) + main_loop(); + + /* NOTREACHED - no way out of command loop except booting */ +} + +void hang(void) +{ + puts("### ERROR ### Please RESET the board ###\n"); + for (;;) + ; +} diff --git a/arch/sandbox/lib/interrupts.c b/arch/sandbox/lib/interrupts.c new file mode 100644 index 0000000..d350108 --- /dev/null +++ b/arch/sandbox/lib/interrupts.c @@ -0,0 +1,39 @@ +/* + * Copyright (c) 2011 The Chromium OS Authors. + * Use of this source code is governed by a BSD-style license that can be + * found in the LICENSE file. + * + * 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 + */ + +#include <common.h> + +int interrupt_init(void) +{ + return 0; +} + +void enable_interrupts(void) +{ + return; +} +int disable_interrupts(void) +{ + return 0; +} |