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authorMarian Balakowicz <m8@semihalf.com>2008-01-08 18:14:09 +0100
committerWolfgang Denk <wd@denx.de>2008-02-07 01:12:53 +0100
commitb97a2a0a21f279d66de8a9bdbfe21920968bcb1c (patch)
tree7746eae37d3a468f3471cd303156920637445350 /include/image.h
parented29bc4e8142b46b626f67524207b36e43d9aad6 (diff)
[new uImage] Define a API for image handling operations
- Add inline helper macros for basic header processing - Move common non inline code common/image.c - Replace direct header access with the API routines - Rename IH_CPU_* to IH_ARCH_* Signed-off-by: Marian Balakowicz <m8@semihalf.com>
Diffstat (limited to 'include/image.h')
-rw-r--r--include/image.h179
1 files changed, 159 insertions, 20 deletions
diff --git a/include/image.h b/include/image.h
index 432fa223932..c9f42980e8b 100644
--- a/include/image.h
+++ b/include/image.h
@@ -1,4 +1,6 @@
/*
+ * (C) Copyright 2008 Semihalf
+ *
* (C) Copyright 2000-2005
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
@@ -31,6 +33,11 @@
#ifndef __IMAGE_H__
#define __IMAGE_H__
+#include <asm/byteorder.h>
+#ifndef USE_HOSTCC
+#include <linux/string.h>
+#endif
+
/*
* Operating System Codes
*/
@@ -59,25 +66,25 @@
/*
* CPU Architecture Codes (supported by Linux)
*/
-#define IH_CPU_INVALID 0 /* Invalid CPU */
-#define IH_CPU_ALPHA 1 /* Alpha */
-#define IH_CPU_ARM 2 /* ARM */
-#define IH_CPU_I386 3 /* Intel x86 */
-#define IH_CPU_IA64 4 /* IA64 */
-#define IH_CPU_MIPS 5 /* MIPS */
-#define IH_CPU_MIPS64 6 /* MIPS 64 Bit */
-#define IH_CPU_PPC 7 /* PowerPC */
-#define IH_CPU_S390 8 /* IBM S390 */
-#define IH_CPU_SH 9 /* SuperH */
-#define IH_CPU_SPARC 10 /* Sparc */
-#define IH_CPU_SPARC64 11 /* Sparc 64 Bit */
-#define IH_CPU_M68K 12 /* M68K */
-#define IH_CPU_NIOS 13 /* Nios-32 */
-#define IH_CPU_MICROBLAZE 14 /* MicroBlaze */
-#define IH_CPU_NIOS2 15 /* Nios-II */
-#define IH_CPU_BLACKFIN 16 /* Blackfin */
-#define IH_CPU_AVR32 17 /* AVR32 */
-#define IH_CPU_ST200 18 /* STMicroelectronics ST200 */
+#define IH_ARCH_INVALID 0 /* Invalid CPU */
+#define IH_ARCH_ALPHA 1 /* Alpha */
+#define IH_ARCH_ARM 2 /* ARM */
+#define IH_ARCH_I386 3 /* Intel x86 */
+#define IH_ARCH_IA64 4 /* IA64 */
+#define IH_ARCH_MIPS 5 /* MIPS */
+#define IH_ARCH_MIPS64 6 /* MIPS 64 Bit */
+#define IH_ARCH_PPC 7 /* PowerPC */
+#define IH_ARCH_S390 8 /* IBM S390 */
+#define IH_ARCH_SH 9 /* SuperH */
+#define IH_ARCH_SPARC 10 /* Sparc */
+#define IH_ARCH_SPARC64 11 /* Sparc 64 Bit */
+#define IH_ARCH_M68K 12 /* M68K */
+#define IH_ARCH_NIOS 13 /* Nios-32 */
+#define IH_ARCH_MICROBLAZE 14 /* MicroBlaze */
+#define IH_ARCH_NIOS2 15 /* Nios-II */
+#define IH_ARCH_BLACKFIN 16 /* Blackfin */
+#define IH_ARCH_AVR32 17 /* AVR32 */
+#define IH_ARCH_ST200 18 /* STMicroelectronics ST200 */
/*
* Image Types
@@ -157,5 +164,137 @@ typedef struct image_header {
uint8_t ih_name[IH_NMLEN]; /* Image Name */
} image_header_t;
+#define image_to_cpu(x) ntohl(x)
+#define cpu_to_image(x) htonl(x)
+
+static inline uint32_t image_get_header_size (void)
+{
+ return (sizeof (image_header_t));
+}
+
+#define image_get_hdr_l(f) \
+ static inline uint32_t image_get_##f(image_header_t *hdr) \
+ { \
+ return image_to_cpu (hdr->ih_##f); \
+ }
+image_get_hdr_l (magic);
+image_get_hdr_l (hcrc);
+image_get_hdr_l (time);
+image_get_hdr_l (size);
+image_get_hdr_l (load);
+image_get_hdr_l (ep);
+image_get_hdr_l (dcrc);
+
+#define image_get_hdr_b(f) \
+ static inline uint8_t image_get_##f(image_header_t *hdr) \
+ { \
+ return hdr->ih_##f; \
+ }
+image_get_hdr_b (os);
+image_get_hdr_b (arch);
+image_get_hdr_b (type);
+image_get_hdr_b (comp);
+
+static inline char *image_get_name (image_header_t *hdr)
+{
+ return (char *)hdr->ih_name;
+}
+
+static inline uint32_t image_get_data_size (image_header_t *hdr)
+{
+ return image_get_size (hdr);
+}
+static inline uint32_t image_get_image_size (image_header_t *hdr)
+{
+ return (image_get_size (hdr) + image_get_header_size ());
+}
+static inline ulong image_get_data (image_header_t *hdr)
+{
+ return ((ulong)hdr + image_get_header_size ());
+}
+
+#define image_set_hdr_l(f) \
+ static inline void image_set_##f(image_header_t *hdr, uint32_t val) \
+ { \
+ hdr->ih_##f = cpu_to_image (val); \
+ }
+image_set_hdr_l (magic);
+image_set_hdr_l (hcrc);
+image_set_hdr_l (time);
+image_set_hdr_l (size);
+image_set_hdr_l (load);
+image_set_hdr_l (ep);
+image_set_hdr_l (dcrc);
+
+#define image_set_hdr_b(f) \
+ static inline void image_set_##f(image_header_t *hdr, uint8_t val) \
+ { \
+ hdr->ih_##f = val; \
+ }
+image_set_hdr_b (os);
+image_set_hdr_b (arch);
+image_set_hdr_b (type);
+image_set_hdr_b (comp);
+
+static inline void image_set_name (image_header_t *hdr, const char *name)
+{
+ strncpy (image_get_name (hdr), name, IH_NMLEN);
+}
+
+int image_check_hcrc (image_header_t *hdr);
+int image_check_dcrc (image_header_t *hdr);
+int image_check_dcrc_wd (image_header_t *hdr, ulong chunksize);
+int getenv_verify (void);
+
+static inline int image_check_magic (image_header_t *hdr)
+{
+ return (image_get_magic (hdr) == IH_MAGIC);
+}
+static inline int image_check_type (image_header_t *hdr, uint8_t type)
+{
+ return (image_get_type (hdr) == type);
+}
+static inline int image_check_arch (image_header_t *hdr, uint8_t arch)
+{
+ return (image_get_arch (hdr) == arch);
+}
+static inline int image_check_os (image_header_t *hdr, uint8_t os)
+{
+ return (image_get_os (hdr) == os);
+}
+
+#ifndef USE_HOSTCC
+static inline int image_check_target_arch (image_header_t *hdr)
+{
+#if defined(__ARM__)
+ if (!image_check_arch (hdr, IH_ARCH_ARM))
+#elif defined(__avr32__)
+ if (!image_check_arch (hdr, IH_ARCH_AVR32))
+#elif defined(__bfin__)
+ if (!image_check_arch (hdr, IH_ARCH_BLACKFIN))
+#elif defined(__I386__)
+ if (!image_check_arch (hdr, IH_ARCH_I386))
+#elif defined(__M68K__)
+ if (!image_check_arch (hdr, IH_ARCH_M68K))
+#elif defined(__microblaze__)
+ if (!image_check_arch (hdr, IH_ARCH_MICROBLAZE))
+#elif defined(__mips__)
+ if (!image_check_arch (hdr, IH_ARCH_MIPS))
+#elif defined(__nios__)
+ if (!image_check_arch (hdr, IH_ARCH_NIOS))
+#elif defined(__nios2__)
+ if (!image_check_arch (hdr, IH_ARCH_NIOS2))
+#elif defined(__PPC__)
+ if (!image_check_arch (hdr, IH_ARCH_PPC))
+#elif defined(__sh__)
+ if (!image_check_arch (hdr, IH_ARCH_SH))
+#else
+# error Unknown CPU type
+#endif
+ return 0;
+
+ return 1;
+}
+#endif
-#endif /* __IMAGE_H__ */
+#endif /* __IMAGE_H__ */