Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / u-boot / tools / envcrc.c

diff --git a/qemu/roms/u-boot/tools/envcrc.c b/qemu/roms/u-boot/tools/envcrc.c
new file mode 100644 (file)
index 0000000..a9d9b48
--- /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;
+}