tar working
This commit is contained in:
Thomas Klaehn
parent
47dd3676bb
commit
dd825149d9
2
Makefile
2
Makefile
@ -26,6 +26,8 @@ LIBS =
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LD_FLAGS += $(addprefix -L,$(EXTRA_LIB_DIR))
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LD_FLAGS += $(addprefix -L,$(EXTRA_LIB_DIR))
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LD_FLAGS += -lm
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ifneq "$(findstring $(MAKECMDGOALS), build_unit_test exec_unit_test coverage)" ""
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ifneq "$(findstring $(MAKECMDGOALS), build_unit_test exec_unit_test coverage)" ""
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INCLUDES += test/inc
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INCLUDES += test/inc
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C_FLAGS += --coverage
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C_FLAGS += --coverage
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90
inc/gpio.h
90
inc/gpio.h
@ -1,90 +0,0 @@
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/*****************************************************************************
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Copyright 2016 Broadcom Limited. All rights reserved.
|
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This program is the proprietary software of Broadcom Limited and/or its
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licensors, and may only be used, duplicated, modified or distributed pursuant
|
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to the terms and conditions of a separate, written license agreement executed
|
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between you and Broadcom (an "Authorized License").
|
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|
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Except as set forth in an Authorized License, Broadcom grants no license
|
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(express or implied), right to use, or waiver of any kind with respect to the
|
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Software, and Broadcom expressly reserves all rights in and to the Software
|
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and all intellectual property rights therein. IF YOU HAVE NO AUTHORIZED
|
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LICENSE, THEN YOU HAVE NO RIGHT TO USE THIS SOFTWARE IN ANY WAY, AND SHOULD
|
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IMMEDIATELY NOTIFY BROADCOM AND DISCONTINUE ALL USE OF THE SOFTWARE.
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|
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Except as expressly set forth in the Authorized License,
|
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1. This program, including its structure, sequence and organization,
|
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constitutes the valuable trade secrets of Broadcom, and you shall use all
|
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reasonable efforts to protect the confidentiality thereof, and to use this
|
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||||||
information only in connection with your use of Broadcom integrated
|
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circuit products.
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|
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2. TO THE MAXIMUM EXTENT PERMITTED BY LAW, THE SOFTWARE IS PROVIDED "AS IS"
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AND WITH ALL FAULTS AND BROADCOM MAKES NO PROMISES, REPRESENTATIONS OR
|
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WARRANTIES, EITHER EXPRESS, IMPLIED, STATUTORY, OR OTHERWISE, WITH RESPECT
|
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TO THE SOFTWARE. BROADCOM SPECIFICALLY DISCLAIMS ANY AND ALL IMPLIED
|
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WARRANTIES OF TITLE, MERCHANTABILITY, NONINFRINGEMENT, FITNESS FOR A
|
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PARTICULAR PURPOSE, LACK OF VIRUSES, ACCURACY OR COMPLETENESS,
|
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QUIET ENJOYMENT, QUIET POSSESSION OR CORRESPONDENCE TO DESCRIPTION.
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YOU ASSUME THE ENTIRE RISK ARISING OUT OF USE OR PERFORMANCE OF THE
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SOFTWARE.
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|
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3. TO THE MAXIMUM EXTENT PERMITTED BY LAW, IN NO EVENT SHALL BROADCOM OR ITS
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LICENSORS BE LIABLE FOR (i) CONSEQUENTIAL, INCIDENTAL, SPECIAL, INDIRECT,
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OR EXEMPLARY DAMAGES WHATSOEVER ARISING OUT OF OR IN ANY WAY RELATING TO
|
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YOUR USE OF OR INABILITY TO USE THE SOFTWARE EVEN IF BROADCOM HAS BEEN
|
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ADVISED OF THE POSSIBILITY OF SUCH DAMAGES; OR (ii) ANY AMOUNT IN EXCESS
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OF THE AMOUNT ACTUALLY PAID FOR THE SOFTWARE ITSELF OR U.S. $1, WHICHEVER
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IS GREATER. THESE LIMITATIONS SHALL APPLY NOTWITHSTANDING ANY FAILURE OF
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ESSENTIAL PURPOSE OF ANY LIMITED REMEDY.
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******************************************************************************/
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#ifndef GPIO_H
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#define GPIO_H
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#define GPIO_ENABLE 0x1
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#define GPIO_DISABLE 0x0
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#define GPIO_DRV_EN 0x1
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#define GPIO_DRV_DIS 0x0
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#define GPIO_SET_1 0x1
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#define GPIO_SET_0 0x0
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typedef enum {
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GIO_GROUP_0,
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GIO_GROUP_1,
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GIO_GROUP_2,
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} gio_group;
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typedef enum {
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FLASH_CS_FUNC_CS,
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FLASH_CS_FUNC_GPIO,
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} flash_cs_mux;
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typedef enum {
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GPIO_PIN_0 = 0x1 << 0,
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GPIO_PIN_1 = 0x1 << 1,
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GPIO_PIN_2 = 0x1 << 2,
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GPIO_PIN_3 = 0x1 << 3,
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} gpio_pin;
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#define GPIO_PIN_ALL (GPIO_PIN_0 | GPIO_PIN_1 | GPIO_PIN_2 | GPIO_PIN_3)
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typedef enum {
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STRAP_PIN_QSPI,
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} strap_pin;
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/* prototypes */
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extern void gpio_config_output(gio_group grp, int pin);
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extern void gpio_config_input(gio_group grp, int pin);
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extern void gpio_set(gio_group grp, int pin, int val);
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extern int gpio_get(gio_group grp, int pin);
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extern void gpio_flash_cs_din_en(int enable);
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extern void gpio_flash_cs_dout_en(int enable);
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extern void gpio_flash_cs_oe_en(int enable);
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extern void gpio_flash_mux_sel(flash_cs_mux mux);
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#endif /* GPIO_H */
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89
inc/io.h
89
inc/io.h
@ -1,89 +0,0 @@
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/*****************************************************************************
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Copyright 2016 Broadcom Limited. All rights reserved.
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This program is the proprietary software of Broadcom Limited and/or its
|
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licensors, and may only be used, duplicated, modified or distributed pursuant
|
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to the terms and conditions of a separate, written license agreement executed
|
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between you and Broadcom (an "Authorized License").
|
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|
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Except as set forth in an Authorized License, Broadcom grants no license
|
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(express or implied), right to use, or waiver of any kind with respect to the
|
|
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Software, and Broadcom expressly reserves all rights in and to the Software
|
|
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and all intellectual property rights therein. IF YOU HAVE NO AUTHORIZED
|
|
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LICENSE, THEN YOU HAVE NO RIGHT TO USE THIS SOFTWARE IN ANY WAY, AND SHOULD
|
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IMMEDIATELY NOTIFY BROADCOM AND DISCONTINUE ALL USE OF THE SOFTWARE.
|
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||||||
|
|
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Except as expressly set forth in the Authorized License,
|
|
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1. This program, including its structure, sequence and organization,
|
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constitutes the valuable trade secrets of Broadcom, and you shall use all
|
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reasonable efforts to protect the confidentiality thereof, and to use this
|
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||||||
information only in connection with your use of Broadcom integrated
|
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circuit products.
|
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||||||
|
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2. TO THE MAXIMUM EXTENT PERMITTED BY LAW, THE SOFTWARE IS PROVIDED "AS IS"
|
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AND WITH ALL FAULTS AND BROADCOM MAKES NO PROMISES, REPRESENTATIONS OR
|
|
||||||
WARRANTIES, EITHER EXPRESS, IMPLIED, STATUTORY, OR OTHERWISE, WITH RESPECT
|
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TO THE SOFTWARE. BROADCOM SPECIFICALLY DISCLAIMS ANY AND ALL IMPLIED
|
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||||||
WARRANTIES OF TITLE, MERCHANTABILITY, NONINFRINGEMENT, FITNESS FOR A
|
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PARTICULAR PURPOSE, LACK OF VIRUSES, ACCURACY OR COMPLETENESS,
|
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QUIET ENJOYMENT, QUIET POSSESSION OR CORRESPONDENCE TO DESCRIPTION.
|
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YOU ASSUME THE ENTIRE RISK ARISING OUT OF USE OR PERFORMANCE OF THE
|
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SOFTWARE.
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|
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3. TO THE MAXIMUM EXTENT PERMITTED BY LAW, IN NO EVENT SHALL BROADCOM OR ITS
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LICENSORS BE LIABLE FOR (i) CONSEQUENTIAL, INCIDENTAL, SPECIAL, INDIRECT,
|
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OR EXEMPLARY DAMAGES WHATSOEVER ARISING OUT OF OR IN ANY WAY RELATING TO
|
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YOUR USE OF OR INABILITY TO USE THE SOFTWARE EVEN IF BROADCOM HAS BEEN
|
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ADVISED OF THE POSSIBILITY OF SUCH DAMAGES; OR (ii) ANY AMOUNT IN EXCESS
|
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||||||
OF THE AMOUNT ACTUALLY PAID FOR THE SOFTWARE ITSELF OR U.S. $1, WHICHEVER
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IS GREATER. THESE LIMITATIONS SHALL APPLY NOTWITHSTANDING ANY FAILURE OF
|
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ESSENTIAL PURPOSE OF ANY LIMITED REMEDY.
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******************************************************************************/
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#ifndef IO_H
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#define IO_H
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/* Includes */
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#include <stdint.h>
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/* macros */
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/* 64 bit */
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/*---------------TBD----------------------*/
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#define read64(addr) 0 /*--TBD--*/
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#define write64(addr, msw, lsw)
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/* 32 bit */
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#define readl(addr) \
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(*((const volatile uint32_t *) (addr)))
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#define writel(addr, val) \
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(*((volatile uint32_t *) (addr)) = (uint32_t)(val))
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/* 16 bit */
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#define readw(addr) \
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(*((const volatile uint16_t *) (addr)))
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#define writew(addr, val) \
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(*((volatile uint16_t *) (addr)) = (uint16_t)(val))
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/* 8-bit */
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#define readb(addr) \
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(*((const volatile uint8_t *) (addr)))
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#define writeb(addr, val) \
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(*((volatile uint8_t *) (addr)) = (uint8_t)(val))
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/* Wrappers */
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#define reg_read64(addr) read64(addr)
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#define reg_write64(addr, msw, lsw) write64(addr, msw, lsw)
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#define reg_read32(addr) readl(addr)
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#define reg_write32(addr, val) writel(addr, val)
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#define reg_read16(addr) readw(addr)
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#define reg_write16(addr, val) writew(addr, val)
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#define reg_read8(addr) readb(addr)
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#define reg_write8(addr, val) writeb(addr, val)
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#endif /* IO_H */
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198819
inc/sysmap.h
198819
inc/sysmap.h
File diff suppressed because it is too large
Load Diff
131
src/main.c
131
src/main.c
@ -1,9 +1,136 @@
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#include <stdio.h>
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#include <stdio.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include <stdint.h>
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#include <stdlib.h>
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#include <stdbool.h>
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#include <string.h>
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#include <tar.h>
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#include <assert.h>
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#define ASCII_TO_NUMBER(num) ((num) - 48) //Converts an ascii digit to the corresponding number
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int main(int argc, char **argv)
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#define TAR_FILE "test.tar"
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#define BLOCK_SIZE 512
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#define TAR_FILE_HEADER 512
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struct tar_file_header {
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char filename[100];
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char mode[8];
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char uid[8];
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char gid[8];
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char file_size[12];
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char last_modification[12];
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char checksum[8];
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char type_flag;
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char linked_file_name[100];
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char ustar_indicator[6];
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char ustar_version[2];
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char owner_user_name[32];
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char owner_group_name[32];
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char device_major_number[8];
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char device_minor_number[8];
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char filename_prefix[155];
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char padding[12];
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};
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/**
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* Decode a TAR octal number.
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* Ignores everything after the first NUL or space character.
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* @param data A pointer to a size-byte-long octal-encoded
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* @param size The size of the field pointer to by the data pointer
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* @return
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*/
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static uint64_t decode_tar_octal(char* data, size_t size)
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{
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{
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printf("Hello world.\n");
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unsigned char *current_ptr = (unsigned char *) data + size;
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uint64_t sum = 0;
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uint64_t current_multiplier = 1;
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// Skip everything after the last NUL/space character
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// In some TAR archives the size field has non-trailing NULs/spaces, so
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// thisis neccessary.
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unsigned char* check_ptr = current_ptr; //This is used to check where the last NUL/space char is
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for(; check_ptr >= (unsigned char *) data; --check_ptr) {
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if((*check_ptr) == 0 || (*check_ptr) == ' ') {
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current_ptr = check_ptr - 1;
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}
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}
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for(; current_ptr >= (unsigned char *) data; --current_ptr) {
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sum += ASCII_TO_NUMBER(*current_ptr) * current_multiplier;
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current_multiplier *= 8;
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}
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return sum;
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}
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bool check_checksum(struct tar_file_header *tar_header)
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{
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assert(tar_header != NULL);
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char original_checksum[8];
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memcpy(original_checksum, tar_header->checksum, 8);
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memset(tar_header->checksum, ' ', 8);
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int64_t unsigned_sum = 0;
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int64_t signed_sum = 0;
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unsigned char *uc_tar = (unsigned char *)tar_header;
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signed char *sc_tar = (signed char *)tar_header;
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for(int i = 0; i < TAR_FILE_HEADER; i++) {
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unsigned_sum += uc_tar[i];
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signed_sum += sc_tar[i];
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}
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//Copy back the checksum
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memcpy(tar_header->checksum, original_checksum, 8);
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//Decode the original checksum
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uint64_t reference_checksum = decode_tar_octal(original_checksum, sizeof(original_checksum));
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return (reference_checksum == unsigned_sum || reference_checksum == signed_sum);
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}
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int main(void)
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{
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int fd;
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fd = open(TAR_FILE, O_RDONLY);
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if(fd < 0) {
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fprintf(stderr, "Unable to open %s\r\n", TAR_FILE);
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return fd;
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}
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int res;
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char block[BLOCK_SIZE];
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uint64_t read_count = 0, next_tar_header = 0, file_size, tmp, loop_count = 1;
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do {
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res = read(fd, block, sizeof(block));
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if(next_tar_header == read_count) {
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struct tar_file_header tar_header;
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if(res != sizeof(tar_header)) {
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fprintf(stderr, "tar header size wrong\r\n");
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close(fd);
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return -1;
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}
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memcpy(&tar_header, block, sizeof(tar_header));
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if(!check_checksum(&tar_header)) {
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fprintf(stderr, "checksum missmatch\r\n");
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close(fd);
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return -1;
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}
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file_size = decode_tar_octal(tar_header.file_size, sizeof(tar_header.file_size));
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printf("%s - size: %lu\r\n", tar_header.filename, file_size);
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next_tar_header = (file_size / BLOCK_SIZE + 1) * BLOCK_SIZE + loop_count * BLOCK_SIZE;
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}
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else {
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for(int i = 0; i < BLOCK_SIZE; i++) {
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|
if(block[i] == '\0') {
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break;
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}
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printf("%c", block[i]);
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}
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}
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read_count += res;
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loop_count++;
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tmp = next_tar_header + ((file_size / BLOCK_SIZE + 1) * BLOCK_SIZE);
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} while(tmp >= read_count);
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close(fd);
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return 0;
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return 0;
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}
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}
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Block a user