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authorYang Zhang <yang.z.zhang@intel.com>2015-08-28 09:58:54 +0800
committerYang Zhang <yang.z.zhang@intel.com>2015-09-01 12:44:00 +0800
commite44e3482bdb4d0ebde2d8b41830ac2cdb07948fb (patch)
tree66b09f592c55df2878107a468a91d21506104d3f /qemu/roms/u-boot/tools/envcrc.c
parent9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (diff)
Add qemu 2.4.0
Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5 Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>
Diffstat (limited to 'qemu/roms/u-boot/tools/envcrc.c')
-rw-r--r--qemu/roms/u-boot/tools/envcrc.c129
1 files changed, 129 insertions, 0 deletions
diff --git a/qemu/roms/u-boot/tools/envcrc.c b/qemu/roms/u-boot/tools/envcrc.c
new file mode 100644
index 000000000..a9d9b48c7
--- /dev/null
+++ b/qemu/roms/u-boot/tools/envcrc.c
@@ -0,0 +1,129 @@
+/*
+ * (C) Copyright 2001
+ * Paolo Scaffardi, AIRVENT SAM s.p.a - RIMINI(ITALY), arsenio@tin.it
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <errno.h>
+#include <stdio.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#ifndef __ASSEMBLY__
+#define __ASSEMBLY__ /* Dirty trick to get only #defines */
+#endif
+#define __ASM_STUB_PROCESSOR_H__ /* don't include asm/processor. */
+#include <config.h>
+#undef __ASSEMBLY__
+
+#if defined(CONFIG_ENV_IS_IN_FLASH)
+# ifndef CONFIG_ENV_ADDR
+# define CONFIG_ENV_ADDR (CONFIG_SYS_FLASH_BASE + CONFIG_ENV_OFFSET)
+# endif
+# ifndef CONFIG_ENV_OFFSET
+# define CONFIG_ENV_OFFSET (CONFIG_ENV_ADDR - CONFIG_SYS_FLASH_BASE)
+# endif
+# if !defined(CONFIG_ENV_ADDR_REDUND) && defined(CONFIG_ENV_OFFSET_REDUND)
+# define CONFIG_ENV_ADDR_REDUND (CONFIG_SYS_FLASH_BASE + CONFIG_ENV_OFFSET_REDUND)
+# endif
+# ifndef CONFIG_ENV_SIZE
+# define CONFIG_ENV_SIZE CONFIG_ENV_SECT_SIZE
+# endif
+# if defined(CONFIG_ENV_ADDR_REDUND) && !defined(CONFIG_ENV_SIZE_REDUND)
+# define CONFIG_ENV_SIZE_REDUND CONFIG_ENV_SIZE
+# endif
+# if (CONFIG_ENV_ADDR >= CONFIG_SYS_MONITOR_BASE) && \
+ ((CONFIG_ENV_ADDR + CONFIG_ENV_SIZE) <= (CONFIG_SYS_MONITOR_BASE + CONFIG_SYS_MONITOR_LEN))
+# define ENV_IS_EMBEDDED
+# endif
+# if defined(CONFIG_ENV_ADDR_REDUND) || defined(CONFIG_ENV_OFFSET_REDUND)
+# define CONFIG_SYS_REDUNDAND_ENVIRONMENT
+# endif
+#endif /* CONFIG_ENV_IS_IN_FLASH */
+
+#if defined(ENV_IS_EMBEDDED) && !defined(CONFIG_BUILD_ENVCRC)
+# define CONFIG_BUILD_ENVCRC
+#endif
+
+#ifdef CONFIG_SYS_REDUNDAND_ENVIRONMENT
+# define ENV_HEADER_SIZE (sizeof(uint32_t) + 1)
+#else
+# define ENV_HEADER_SIZE (sizeof(uint32_t))
+#endif
+
+#define ENV_SIZE (CONFIG_ENV_SIZE - ENV_HEADER_SIZE)
+
+
+#ifdef CONFIG_BUILD_ENVCRC
+# include <environment.h>
+extern unsigned int env_size;
+extern env_t environment;
+#endif /* CONFIG_BUILD_ENVCRC */
+
+extern uint32_t crc32 (uint32_t, const unsigned char *, unsigned int);
+
+int main (int argc, char **argv)
+{
+#ifdef CONFIG_BUILD_ENVCRC
+ unsigned char pad = 0x00;
+ uint32_t crc;
+ unsigned char *envptr = (unsigned char *)&environment,
+ *dataptr = envptr + ENV_HEADER_SIZE;
+ unsigned int datasize = ENV_SIZE;
+ unsigned int eoe;
+
+ if (argv[1] && !strncmp(argv[1], "--binary", 8)) {
+ int ipad = 0xff;
+ if (argv[1][8] == '=')
+ sscanf(argv[1] + 9, "%i", &ipad);
+ pad = ipad;
+ }
+
+ if (pad) {
+ /* find the end of env */
+ for (eoe = 0; eoe < datasize - 1; ++eoe)
+ if (!dataptr[eoe] && !dataptr[eoe+1]) {
+ eoe += 2;
+ break;
+ }
+ if (eoe < datasize - 1)
+ memset(dataptr + eoe, pad, datasize - eoe);
+ }
+
+ crc = crc32 (0, dataptr, datasize);
+
+ /* Check if verbose mode is activated passing a parameter to the program */
+ if (argc > 1) {
+ if (!strncmp(argv[1], "--binary", 8)) {
+ int le = (argc > 2 ? !strcmp(argv[2], "le") : 1);
+ size_t i, start, end, step;
+ if (le) {
+ start = 0;
+ end = ENV_HEADER_SIZE;
+ step = 1;
+ } else {
+ start = ENV_HEADER_SIZE - 1;
+ end = -1;
+ step = -1;
+ }
+ for (i = start; i != end; i += step)
+ printf("%c", (crc & (0xFF << (i * 8))) >> (i * 8));
+ if (fwrite(dataptr, 1, datasize, stdout) != datasize)
+ fprintf(stderr, "fwrite() failed: %s\n", strerror(errno));
+ } else {
+ printf("CRC32 from offset %08X to %08X of environment = %08X\n",
+ (unsigned int) (dataptr - envptr),
+ (unsigned int) (dataptr - envptr) + datasize,
+ crc);
+ }
+ } else {
+ printf ("0x%08X\n", crc);
+ }
+#else
+ printf ("0\n");
+#endif
+ return EXIT_SUCCESS;
+}